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authorNatanael Copa <ncopa@alpinelinux.org>2013-05-14 10:52:45 +0200
committerNatanael Copa <ncopa@alpinelinux.org>2013-05-14 11:05:15 +0200
commit041f25738f437d1dac08a07ca27c94026038c08c (patch)
treeb5fa4035b7b4b6000e227ab490c7ad9513de894b /main/linux-vserver
parent148b83376e1018cadf8f8b39eb7616b0b8d7ed8b (diff)
downloadaports-041f25738f437d1dac08a07ca27c94026038c08c.tar.bz2
aports-041f25738f437d1dac08a07ca27c94026038c08c.tar.xz
main/linux-vserver: temp commit
Diffstat (limited to 'main/linux-vserver')
-rw-r--r--main/linux-vserver/APKBUILD40
-rw-r--r--main/linux-vserver/kernelconfig.x86848
-rw-r--r--main/linux-vserver/kernelconfig.x86.orig5509
-rw-r--r--main/linux-vserver/kernelconfig.x86.rej324
-rw-r--r--main/linux-vserver/kernelconfig.x86_641013
-rw-r--r--main/linux-vserver/patch-3.4.45-vs2.3.3.9.diff26166
-rw-r--r--main/linux-vserver/patch-3.6.11-al5.patch17797
-rw-r--r--main/linux-vserver/patch-3.7.10-vs2.3.5.6.diff26174
-rw-r--r--main/linux-vserver/patch-3.9.2-vs2.3.5.6.diff26174
9 files changed, 102346 insertions, 1699 deletions
diff --git a/main/linux-vserver/APKBUILD b/main/linux-vserver/APKBUILD
index 2939f7cf71..24c8fa9b94 100644
--- a/main/linux-vserver/APKBUILD
+++ b/main/linux-vserver/APKBUILD
@@ -2,9 +2,9 @@
_flavor=vserver
pkgname=linux-${_flavor}
-pkgver=3.6.11
-pkgrel=3
-_vsver=vs2.3.4.6
+pkgver=3.4.45
+pkgrel=0
+_vsver=vs2.3.3.9
if [ "${pkgver##*.*.*}" = "$pkgver" ]; then
_kernver=$pkgver
@@ -21,7 +21,6 @@ _config=${config:-kernelconfig.${CARCH}}
install=
source="http://www.kernel.org/pub/linux/kernel/v3.x/linux-$_kernver.tar.xz
http://www.kernel.org/pub/linux/kernel/v3.x/patch-$pkgver.xz
- patch-3.6.11-al4.patch
patch-$pkgver-$_vsver.diff
kernelconfig.x86
kernelconfig.x86_64
@@ -136,21 +135,18 @@ dev() {
"$subpkgdir"/lib/modules/${_abi_release}/build
}
-md5sums="1a1760420eac802c541a20ab51a093d1 linux-3.6.tar.xz
-bd4bba74093405887d521309a74c19e9 patch-3.6.11.xz
-fa0ca65fb8e9f9d08c04f06ae5c316ec patch-3.6.11-al4.patch
-27809872b8bc0dffce4e383d68d1c989 patch-3.6.11-vs2.3.4.6.diff
-b28263bb0d529a80d4f13fbdd76520b2 kernelconfig.x86
-1e9e12d5bd63552127331b875a554992 kernelconfig.x86_64"
-sha256sums="4ab9a6ef1c1735713f9f659d67f92efa7c1dfbffb2a2ad544005b30f9791784f linux-3.6.tar.xz
-4bdc3822571a4a765bf6f347aad8b899730acef549ae4236813fd17f254f4327 patch-3.6.11.xz
-897ed38d778dfd76256f065f81ad02f16d126dc2e67631253520b8fe0685b444 patch-3.6.11-al4.patch
-31184cf84567765be061a8ad43e82c7a24e2dadbb514c6e42a19d750118658f2 patch-3.6.11-vs2.3.4.6.diff
-596d797f0e57414d3a887bcb1f302f5831e148d486eb82bc3c871710691af4c4 kernelconfig.x86
-ee8bdb887f8890f1a3457267b8595b3f61043bae0feb86933870d2c6f9139b82 kernelconfig.x86_64"
-sha512sums="6e3354184d1799228a2d33b92e4a6b743cc24352b8ccc1fd487fab07ab97be2aa03ba87b8406a177581692db1fd40674fbd4e213a782cbe0a6a969b10c4c17a1 linux-3.6.tar.xz
-08423f145ee7aef49f50d95032595ee79250135b6ecfa72f802502a277f215b63c4dc04ed149fe4ed7cdaa5ef063b8003b7f72f41d8417e45efbe7e30e621387 patch-3.6.11.xz
-477ee6c8bdf8884355efafc29e58810c097a4b1e3ecd84890bf582cf513510266d85a26e38d05ae463429ccfe9dd84cedc2fb1ed0a5fcf662a8a489ca30e6495 patch-3.6.11-al4.patch
-23acb52b46175dc3de27cdf1cde620190f32d77e1b3bb1169efd83f6e8a307113e7b08bc1e0652ad080ff5af25262c972368ac4871bba10c1122732e51f9b186 patch-3.6.11-vs2.3.4.6.diff
-ea766a9c24aba7320f57d9afa51f64e45de31ef38f19f4144994b22cae92689c2f7351cb31646123b1aedd1f2a65ccf84f2261e65cb7586bd8e21c3c0cd15b26 kernelconfig.x86
-440ac34e9fac04d5b7a417ad49e05c80ab19f9828b61a2dd4491a79da2ac0764dfbf9f0d854e56213e7fe2899af9e81a73d1c62ef599096fbce38688ddfc130a kernelconfig.x86_64"
+md5sums="967f72983655e2479f951195953e8480 linux-3.4.tar.xz
+adb183c04b48eb1276abcae46858dc29 patch-3.4.45.xz
+45c7f894c242dfb02c9d9485b252a98f patch-3.4.45-vs2.3.3.9.diff
+649127b1069b08ef21e1a7715c7cb705 kernelconfig.x86
+ff92bfcd41969fd521cb7c69625fa950 kernelconfig.x86_64"
+sha256sums="ff3dee6a855873d12487a6f4070ec2f7996d073019171361c955639664baa0c6 linux-3.4.tar.xz
+1eee23dc5a2f6a2448030e4d89e8d2883037c10cfd38eb1d59ee1d8848202ca4 patch-3.4.45.xz
+ab0de3bf5e4c381fb55d7494426bbf4a32a56d5002e6cf99c8a9451e4b0a0a6e patch-3.4.45-vs2.3.3.9.diff
+35737c48772d202b6ce4b5c7271aaa16b60c7eb753cac2d8d51725729c1a6d77 kernelconfig.x86
+8dc1cb9cb72de54fedb7148c934b1915220baa78d3a40e21548ad550372e624a kernelconfig.x86_64"
+sha512sums="1c49b336750c9c2b49d21e54126f22a800367296be0d57e6df28b1532cbeba7fc3bdf4cfe27d9810576e76c2db2e9c2493f0804451c915137cb78d7aa61f236c linux-3.4.tar.xz
+3a7abeae48a6731d76165071f76e83f67a88705de0f6fef88d1dd901e50e8776406d610256aab91f2650176f46ec3fef6e25196c9b25b969b8ba0293728d0b36 patch-3.4.45.xz
+8c3b9d0d93abdd9821595a849a7fae070147ed5013e2b6f31e8a659642586affef5f038fbed5696e447e145a5b0c2a339e7a2479b8579ea953766b9b712df8be patch-3.4.45-vs2.3.3.9.diff
+7c9187f9a6791f15123ccc4ae5eadd2a9446d5286eba0c06aa6d0406e577ca034dfe338ac1c287f3eda6504584228bd3440ae55e9518e8fc1c6fd490717ef474 kernelconfig.x86
+4cae6988c0b00e959db25f4f68f650460fa6a9f155af8ea88a840571f5d8ccadeef1e4ba93be7ca547b9819e710a223f4ed9222698c714ef552d78b4473f233f kernelconfig.x86_64"
diff --git a/main/linux-vserver/kernelconfig.x86 b/main/linux-vserver/kernelconfig.x86
index a445394ddf..e5bac84a76 100644
--- a/main/linux-vserver/kernelconfig.x86
+++ b/main/linux-vserver/kernelconfig.x86
@@ -22,7 +22,9 @@ CONFIG_GENERIC_GPIO=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
# CONFIG_RWSEM_GENERIC_SPINLOCK is not set
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_ARCH_HAS_CPU_RELAX=y
CONFIG_ARCH_HAS_DEFAULT_IDLE=y
CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
@@ -114,7 +116,6 @@ CONFIG_HIGH_RES_TIMERS=y
CONFIG_TREE_RCU=y
# CONFIG_PREEMPT_RCU is not set
CONFIG_RCU_FANOUT=32
-CONFIG_RCU_FANOUT_LEAF=16
# CONFIG_RCU_FANOUT_EXACT is not set
CONFIG_RCU_FAST_NO_HZ=y
# CONFIG_TREE_RCU_TRACE is not set
@@ -129,7 +130,9 @@ CONFIG_CGROUP_DEVICE=y
# CONFIG_CPUSETS is not set
CONFIG_CGROUP_CPUACCT=y
CONFIG_RESOURCE_COUNTERS=y
-# CONFIG_MEMCG is not set
+CONFIG_CGROUP_MEM_RES_CTLR=y
+# CONFIG_CGROUP_MEM_RES_CTLR_SWAP is not set
+# CONFIG_CGROUP_MEM_RES_CTLR_KMEM is not set
# CONFIG_CGROUP_PERF is not set
CONFIG_CGROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
@@ -144,6 +147,7 @@ CONFIG_IPC_NS=y
CONFIG_PID_NS=y
CONFIG_NET_NS=y
CONFIG_SCHED_AUTOGROUP=y
+CONFIG_MM_OWNER=y
# CONFIG_SYSFS_DEPRECATED is not set
# CONFIG_RELAY is not set
CONFIG_BLK_DEV_INITRD=y
@@ -182,6 +186,7 @@ CONFIG_HAVE_PERF_EVENTS=y
# Kernel Performance Events And Counters
#
CONFIG_PERF_EVENTS=y
+# CONFIG_PERF_COUNTERS is not set
# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_PCI_QUIRKS=y
@@ -209,7 +214,6 @@ CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_ATTRS=y
CONFIG_HAVE_DMA_CONTIGUOUS=y
CONFIG_USE_GENERIC_SMP_HELPERS=y
-CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_HAVE_HW_BREAKPOINT=y
@@ -313,6 +317,11 @@ CONFIG_FREEZER=y
# Processor type and features
#
CONFIG_ZONE_DMA=y
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
CONFIG_SMP=y
CONFIG_X86_MPPARSE=y
CONFIG_X86_BIGSMP=y
@@ -489,8 +498,6 @@ CONFIG_SUSPEND_FREEZER=y
# CONFIG_HIBERNATION is not set
CONFIG_PM_SLEEP=y
CONFIG_PM_SLEEP_SMP=y
-# CONFIG_PM_AUTOSLEEP is not set
-# CONFIG_PM_WAKELOCKS is not set
# CONFIG_PM_RUNTIME is not set
CONFIG_PM=y
# CONFIG_PM_DEBUG is not set
@@ -572,7 +579,6 @@ CONFIG_X86_SPEEDSTEP_LIB=m
CONFIG_CPU_IDLE=y
CONFIG_CPU_IDLE_GOV_LADDER=y
CONFIG_CPU_IDLE_GOV_MENU=y
-# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
CONFIG_INTEL_IDLE=y
#
@@ -616,23 +622,7 @@ CONFIG_ALIX=y
# CONFIG_NET5501 is not set
# CONFIG_GEOS is not set
CONFIG_AMD_NB=y
-CONFIG_PCCARD=m
-CONFIG_PCMCIA=m
-CONFIG_PCMCIA_LOAD_CIS=y
-CONFIG_CARDBUS=y
-
-#
-# PC-card bridges
-#
-CONFIG_YENTA=m
-CONFIG_YENTA_O2=y
-CONFIG_YENTA_RICOH=y
-CONFIG_YENTA_TI=y
-CONFIG_YENTA_ENE_TUNE=y
-CONFIG_YENTA_TOSHIBA=y
-CONFIG_PD6729=m
-CONFIG_I82092=m
-CONFIG_PCCARD_NONSTATIC=y
+# CONFIG_PCCARD is not set
CONFIG_HOTPLUG_PCI=m
CONFIG_HOTPLUG_PCI_FAKE=m
# CONFIG_HOTPLUG_PCI_COMPAQ is not set
@@ -665,7 +655,6 @@ CONFIG_PACKET=m
CONFIG_UNIX=y
CONFIG_UNIX_DIAG=m
CONFIG_XFRM=y
-CONFIG_XFRM_ALGO=m
CONFIG_XFRM_USER=m
CONFIG_XFRM_SUB_POLICY=y
CONFIG_XFRM_MIGRATE=y
@@ -695,7 +684,6 @@ CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_PIMSM_V2=y
CONFIG_ARPD=y
CONFIG_SYN_COOKIES=y
-CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -789,7 +777,6 @@ CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
CONFIG_NF_CT_NETLINK_TIMEOUT=m
-# CONFIG_NETFILTER_NETLINK_QUEUE_CT is not set
CONFIG_NETFILTER_TPROXY=m
CONFIG_NETFILTER_XTABLES=m
@@ -810,7 +797,6 @@ CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=m
CONFIG_NETFILTER_XT_TARGET_CT=m
CONFIG_NETFILTER_XT_TARGET_DSCP=m
CONFIG_NETFILTER_XT_TARGET_HL=m
-CONFIG_NETFILTER_XT_TARGET_HMARK=m
CONFIG_NETFILTER_XT_TARGET_IDLETIMER=m
CONFIG_NETFILTER_XT_TARGET_LED=m
CONFIG_NETFILTER_XT_TARGET_LOG=m
@@ -971,6 +957,7 @@ CONFIG_IP_NF_ARP_MANGLE=m
#
CONFIG_NF_DEFRAG_IPV6=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_IP6_NF_QUEUE=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -1043,6 +1030,7 @@ CONFIG_RDS=m
# CONFIG_RDS_DEBUG is not set
CONFIG_TIPC=m
# CONFIG_TIPC_ADVANCED is not set
+# CONFIG_TIPC_DEBUG is not set
CONFIG_ATM=m
CONFIG_ATM_CLIP=m
# CONFIG_ATM_CLIP_NO_ICMP is not set
@@ -1074,11 +1062,11 @@ CONFIG_IPDDP_ENCAP=y
CONFIG_IPDDP_DECAP=y
CONFIG_X25=m
CONFIG_LAPB=m
+# CONFIG_ECONET is not set
CONFIG_WAN_ROUTER=m
-CONFIG_PHONET=m
+# CONFIG_PHONET is not set
CONFIG_IEEE802154=m
CONFIG_IEEE802154_6LOWPAN=m
-CONFIG_MAC802154=m
CONFIG_NET_SCHED=y
#
@@ -1102,8 +1090,6 @@ CONFIG_NET_SCH_DRR=m
CONFIG_NET_SCH_MQPRIO=m
CONFIG_NET_SCH_CHOKE=m
CONFIG_NET_SCH_QFQ=m
-CONFIG_NET_SCH_CODEL=m
-CONFIG_NET_SCH_FQ_CODEL=m
CONFIG_NET_SCH_INGRESS=m
CONFIG_NET_SCH_PLUG=m
@@ -1129,7 +1115,6 @@ CONFIG_NET_EMATCH_NBYTE=m
CONFIG_NET_EMATCH_U32=m
CONFIG_NET_EMATCH_META=m
CONFIG_NET_EMATCH_TEXT=m
-CONFIG_NET_EMATCH_IPSET=m
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=m
CONFIG_NET_ACT_GACT=m
@@ -1236,14 +1221,9 @@ CONFIG_BT_HCIUART_H4=y
CONFIG_BT_HCIUART_BCSP=y
CONFIG_BT_HCIUART_ATH3K=y
CONFIG_BT_HCIUART_LL=y
-# CONFIG_BT_HCIUART_3WIRE is not set
CONFIG_BT_HCIBCM203X=m
CONFIG_BT_HCIBPA10X=m
CONFIG_BT_HCIBFUSB=m
-CONFIG_BT_HCIDTL1=m
-CONFIG_BT_HCIBT3C=m
-CONFIG_BT_HCIBLUECARD=m
-CONFIG_BT_HCIBTUART=m
CONFIG_BT_HCIVHCI=m
CONFIG_BT_MRVL=m
CONFIG_BT_MRVL_SDIO=m
@@ -1263,11 +1243,11 @@ CONFIG_CFG80211=m
# CONFIG_NL80211_TESTMODE is not set
# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
# CONFIG_CFG80211_REG_DEBUG is not set
-# CONFIG_CFG80211_CERTIFICATION_ONUS is not set
CONFIG_CFG80211_DEFAULT_PS=y
# CONFIG_CFG80211_DEBUGFS is not set
# CONFIG_CFG80211_INTERNAL_REGDB is not set
CONFIG_CFG80211_WEXT=y
+CONFIG_WIRELESS_EXT_SYSFS=y
CONFIG_LIB80211=m
CONFIG_LIB80211_CRYPT_WEP=m
CONFIG_LIB80211_CRYPT_CCMP=m
@@ -1284,7 +1264,6 @@ CONFIG_MAC80211_RC_DEFAULT="pid"
# CONFIG_MAC80211_MESH is not set
CONFIG_MAC80211_LEDS=y
# CONFIG_MAC80211_DEBUGFS is not set
-# CONFIG_MAC80211_MESSAGE_TRACING is not set
# CONFIG_MAC80211_DEBUG_MENU is not set
CONFIG_WIMAX=m
CONFIG_WIMAX_DEBUG_LEVEL=8
@@ -1395,8 +1374,6 @@ CONFIG_MTD_SCB2_FLASH=m
CONFIG_MTD_NETtel=m
CONFIG_MTD_L440GX=m
CONFIG_MTD_PCI=m
-CONFIG_MTD_PCMCIA=m
-# CONFIG_MTD_PCMCIA_ANONYMOUS is not set
# CONFIG_MTD_GPIO_ADDR is not set
CONFIG_MTD_INTEL_VR_NOR=m
CONFIG_MTD_PLATRAM=m
@@ -1471,12 +1448,12 @@ CONFIG_MTD_UBI=m
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_MTD_UBI_BEB_RESERVE=1
# CONFIG_MTD_UBI_GLUEBI is not set
+# CONFIG_MTD_UBI_DEBUG is not set
CONFIG_PARPORT=m
CONFIG_PARPORT_PC=m
CONFIG_PARPORT_SERIAL=m
# CONFIG_PARPORT_PC_FIFO is not set
# CONFIG_PARPORT_PC_SUPERIO is not set
-CONFIG_PARPORT_PC_PCMCIA=m
# CONFIG_PARPORT_GSC is not set
CONFIG_PARPORT_AX88796=m
# CONFIG_PARPORT_1284 is not set
@@ -1551,8 +1528,7 @@ CONFIG_HMC6352=m
CONFIG_DS1682=m
CONFIG_TI_DAC7512=m
CONFIG_VMWARE_BALLOON=m
-# CONFIG_BMP085_I2C is not set
-# CONFIG_BMP085_SPI is not set
+CONFIG_BMP085=m
CONFIG_PCH_PHUB=m
# CONFIG_USB_SWITCH_FSA9480 is not set
CONFIG_C2PORT=m
@@ -1570,6 +1546,9 @@ CONFIG_EEPROM_93XX46=m
CONFIG_CB710_CORE=m
# CONFIG_CB710_DEBUG is not set
CONFIG_CB710_DEBUG_ASSUMPTIONS=y
+CONFIG_IWMC3200TOP=m
+# CONFIG_IWMC3200TOP_DEBUG is not set
+# CONFIG_IWMC3200TOP_DEBUGFS is not set
#
# Texas Instruments shared transport line discipline
@@ -1581,7 +1560,6 @@ CONFIG_SENSORS_LIS3_I2C=m
# Altera FPGA firmware download module
#
# CONFIG_ALTERA_STAPL is not set
-# CONFIG_INTEL_MEI is not set
CONFIG_HAVE_IDE=y
# CONFIG_IDE is not set
@@ -1611,6 +1589,7 @@ CONFIG_SCSI_MULTI_LUN=y
# CONFIG_SCSI_CONSTANTS is not set
# CONFIG_SCSI_LOGGING is not set
CONFIG_SCSI_SCAN_ASYNC=y
+CONFIG_SCSI_WAIT_SCAN=m
#
# SCSI Transports
@@ -1705,7 +1684,6 @@ CONFIG_SCSI_IPR_TRACE=y
# CONFIG_SCSI_IPR_DUMP is not set
CONFIG_SCSI_QLOGIC_1280=m
CONFIG_SCSI_QLA_FC=m
-CONFIG_TCM_QLA2XXX=m
CONFIG_SCSI_QLA_ISCSI=m
CONFIG_SCSI_LPFC=m
# CONFIG_SCSI_LPFC_DEBUG_FS is not set
@@ -1822,7 +1800,6 @@ CONFIG_PATA_CMD640_PCI=m
CONFIG_PATA_MPIIX=m
CONFIG_PATA_NS87410=m
CONFIG_PATA_OPTI=m
-CONFIG_PATA_PCMCIA=m
CONFIG_PATA_PLATFORM=m
CONFIG_PATA_RZ1000=m
@@ -1851,6 +1828,7 @@ CONFIG_DM_CRYPT=m
CONFIG_DM_SNAPSHOT=m
CONFIG_DM_THIN_PROVISIONING=m
# CONFIG_DM_DEBUG_BLOCK_STACK_TRACING is not set
+# CONFIG_DM_DEBUG_SPACE_MAPS is not set
CONFIG_DM_MIRROR=m
CONFIG_DM_RAID=m
CONFIG_DM_LOG_USERSPACE=m
@@ -1869,7 +1847,6 @@ CONFIG_TCM_PSCSI=m
CONFIG_LOOPBACK_TARGET=m
CONFIG_TCM_FC=m
CONFIG_ISCSI_TARGET=m
-CONFIG_SBP_TARGET=m
CONFIG_FUSION=y
CONFIG_FUSION_SPI=m
CONFIG_FUSION_FC=m
@@ -1905,14 +1882,10 @@ CONFIG_EQUALIZER=m
CONFIG_MII=m
CONFIG_IEEE802154_DRIVERS=m
CONFIG_IEEE802154_FAKEHARD=m
-CONFIG_IEEE802154_FAKELB=m
-# CONFIG_IEEE802154_AT86RF230 is not set
CONFIG_IFB=m
CONFIG_NET_TEAM=m
-CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
-CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_MACVLAN=m
CONFIG_MACVTAP=m
CONFIG_NETCONSOLE=m
@@ -1934,7 +1907,6 @@ CONFIG_ARCNET_COM90xxIO=m
CONFIG_ARCNET_RIM_I=m
CONFIG_ARCNET_COM20020=m
CONFIG_ARCNET_COM20020_PCI=m
-CONFIG_ARCNET_COM20020_CS=m
CONFIG_ATM_DRIVERS=y
CONFIG_ATM_DUMMY=m
CONFIG_ATM_TCP=m
@@ -1972,8 +1944,6 @@ CONFIG_ATM_SOLOS=m
CONFIG_ETHERNET=y
CONFIG_MDIO=m
CONFIG_NET_VENDOR_3COM=y
-CONFIG_PCMCIA_3C574=m
-CONFIG_PCMCIA_3C589=m
CONFIG_VORTEX=m
CONFIG_TYPHOON=m
CONFIG_NET_VENDOR_ADAPTEC=y
@@ -1984,7 +1954,6 @@ CONFIG_ACENIC=m
CONFIG_NET_VENDOR_AMD=y
CONFIG_AMD8111_ETH=m
CONFIG_PCNET32=m
-CONFIG_PCMCIA_NMCLAN=m
CONFIG_NET_VENDOR_ATHEROS=y
CONFIG_ATL2=m
CONFIG_ATL1=m
@@ -2023,7 +1992,6 @@ CONFIG_DE4X5=m
CONFIG_WINBOND_840=m
CONFIG_DM9102=m
CONFIG_ULI526X=m
-CONFIG_PCMCIA_XIRCOM=m
CONFIG_NET_VENDOR_DLINK=y
CONFIG_DE600=m
CONFIG_DE620=m
@@ -2036,8 +2004,6 @@ CONFIG_NET_VENDOR_EXAR=y
CONFIG_S2IO=m
CONFIG_VXGE=m
# CONFIG_VXGE_DEBUG_TRACE_ALL is not set
-CONFIG_NET_VENDOR_FUJITSU=y
-CONFIG_PCMCIA_FMVJ18X=m
CONFIG_NET_VENDOR_HP=y
CONFIG_HP100=m
CONFIG_NET_VENDOR_INTEL=y
@@ -2046,13 +2012,10 @@ CONFIG_E1000=m
CONFIG_E1000E=m
CONFIG_IGB=m
CONFIG_IGB_DCA=y
-# CONFIG_IGB_PTP is not set
CONFIG_IGBVF=m
CONFIG_IXGB=m
CONFIG_IXGBE=m
-CONFIG_IXGBE_HWMON=y
CONFIG_IXGBE_DCA=y
-# CONFIG_IXGBE_PTP is not set
# CONFIG_IXGBEVF is not set
CONFIG_NET_VENDOR_I825XX=y
# CONFIG_ZNET is not set
@@ -2084,9 +2047,7 @@ CONFIG_NET_VENDOR_NATSEMI=y
CONFIG_NATSEMI=m
CONFIG_NS83820=m
CONFIG_NET_VENDOR_8390=y
-CONFIG_PCMCIA_AXNET=m
CONFIG_NE2K_PCI=m
-CONFIG_PCMCIA_PCNET=m
CONFIG_NET_VENDOR_NVIDIA=y
CONFIG_FORCEDETH=m
CONFIG_NET_VENDOR_OKI=y
@@ -2122,7 +2083,6 @@ CONFIG_SFC=m
CONFIG_SFC_MTD=y
CONFIG_SFC_MCDI_MON=y
CONFIG_NET_VENDOR_SMSC=y
-CONFIG_PCMCIA_SMC91C92=m
CONFIG_EPIC100=m
CONFIG_SMSC9420=m
CONFIG_NET_VENDOR_STMICRO=y
@@ -2146,14 +2106,6 @@ CONFIG_NET_VENDOR_VIA=y
CONFIG_VIA_RHINE=m
# CONFIG_VIA_RHINE_MMIO is not set
CONFIG_VIA_VELOCITY=m
-CONFIG_NET_VENDOR_WIZNET=y
-CONFIG_WIZNET_W5100=m
-CONFIG_WIZNET_W5300=m
-# CONFIG_WIZNET_BUS_DIRECT is not set
-# CONFIG_WIZNET_BUS_INDIRECT is not set
-CONFIG_WIZNET_BUS_ANY=y
-CONFIG_NET_VENDOR_XIRCOM=y
-CONFIG_PCMCIA_XIRC2PS=m
CONFIG_FDDI=y
CONFIG_DEFXX=m
# CONFIG_DEFXX_MMIO is not set
@@ -2176,7 +2128,6 @@ CONFIG_CICADA_PHY=m
CONFIG_VITESSE_PHY=m
CONFIG_SMSC_PHY=m
CONFIG_BROADCOM_PHY=m
-CONFIG_BCM87XX_PHY=m
CONFIG_ICPLUS_PHY=m
CONFIG_REALTEK_PHY=m
CONFIG_NATIONAL_PHY=m
@@ -2204,6 +2155,7 @@ CONFIG_SLHC=m
CONFIG_SLIP_COMPRESSED=y
CONFIG_SLIP_SMART=y
CONFIG_SLIP_MODE_SLIP6=y
+# CONFIG_TR is not set
#
# USB Network Adapters
@@ -2238,22 +2190,17 @@ CONFIG_USB_NET_KALMIA=m
CONFIG_USB_NET_QMI_WWAN=m
CONFIG_USB_HSO=m
CONFIG_USB_NET_INT51X1=m
-CONFIG_USB_CDC_PHONET=m
CONFIG_USB_IPHETH=m
CONFIG_USB_SIERRA_NET=m
CONFIG_USB_VL600=m
CONFIG_WLAN=y
-CONFIG_PCMCIA_RAYCS=m
CONFIG_LIBERTAS_THINFIRM=m
# CONFIG_LIBERTAS_THINFIRM_DEBUG is not set
CONFIG_LIBERTAS_THINFIRM_USB=m
CONFIG_AIRO=m
CONFIG_ATMEL=m
CONFIG_PCI_ATMEL=m
-CONFIG_PCMCIA_ATMEL=m
CONFIG_AT76C50X_USB=m
-CONFIG_AIRO_CS=m
-CONFIG_PCMCIA_WL3501=m
CONFIG_PRISM54=m
CONFIG_USB_ZD1201=m
CONFIG_USB_NET_RNDIS_WLAN=m
@@ -2275,6 +2222,7 @@ CONFIG_ATH9K=m
CONFIG_ATH9K_PCI=y
CONFIG_ATH9K_AHB=y
# CONFIG_ATH9K_DEBUGFS is not set
+# CONFIG_ATH9K_DFS_CERTIFIED is not set
CONFIG_ATH9K_RATE_CONTROL=y
CONFIG_ATH9K_HTC=m
# CONFIG_ATH9K_HTC_DEBUGFS is not set
@@ -2290,7 +2238,6 @@ CONFIG_B43=m
CONFIG_B43_SSB=y
CONFIG_B43_PCI_AUTOSELECT=y
CONFIG_B43_PCICORE_AUTOSELECT=y
-CONFIG_B43_PCMCIA=y
CONFIG_B43_SDIO=y
CONFIG_B43_PIO=y
CONFIG_B43_PHY_N=y
@@ -2316,7 +2263,6 @@ CONFIG_HOSTAP_FIRMWARE=y
CONFIG_HOSTAP_FIRMWARE_NVRAM=y
CONFIG_HOSTAP_PLX=m
CONFIG_HOSTAP_PCI=m
-CONFIG_HOSTAP_CS=m
CONFIG_IPW2100=m
CONFIG_IPW2100_MONITOR=y
# CONFIG_IPW2100_DEBUG is not set
@@ -2329,7 +2275,6 @@ CONFIG_IPW2200_QOS=y
CONFIG_LIBIPW=m
# CONFIG_LIBIPW_DEBUG is not set
CONFIG_IWLWIFI=m
-CONFIG_IWLDVM=m
#
# Debugging Options
@@ -2345,9 +2290,10 @@ CONFIG_IWL3945=m
# iwl3945 / iwl4965 Debugging Options
#
# CONFIG_IWLEGACY_DEBUG is not set
+CONFIG_IWM=m
+# CONFIG_IWM_DEBUG is not set
CONFIG_LIBERTAS=m
CONFIG_LIBERTAS_USB=m
-CONFIG_LIBERTAS_CS=m
CONFIG_LIBERTAS_SDIO=m
CONFIG_LIBERTAS_SPI=m
# CONFIG_LIBERTAS_DEBUG is not set
@@ -2358,8 +2304,6 @@ CONFIG_HERMES_CACHE_FW_ON_INIT=y
CONFIG_PLX_HERMES=m
CONFIG_TMD_HERMES=m
CONFIG_NORTEL_HERMES=m
-CONFIG_PCMCIA_HERMES=m
-CONFIG_PCMCIA_SPECTRUM=m
CONFIG_ORINOCO_USB=m
CONFIG_P54_COMMON=m
CONFIG_P54_USB=m
@@ -2375,7 +2319,6 @@ CONFIG_RT2800PCI=m
CONFIG_RT2800PCI_RT33XX=y
# CONFIG_RT2800PCI_RT35XX is not set
CONFIG_RT2800PCI_RT53XX=y
-CONFIG_RT2800PCI_RT3290=y
CONFIG_RT2500USB=m
CONFIG_RT73USB=m
CONFIG_RT2800USB=m
@@ -2398,28 +2341,27 @@ CONFIG_RTL8192CU=m
CONFIG_RTLWIFI=m
# CONFIG_RTLWIFI_DEBUG is not set
CONFIG_RTL8192C_COMMON=m
-CONFIG_WL_TI=y
CONFIG_WL1251=m
CONFIG_WL1251_SPI=m
CONFIG_WL1251_SDIO=m
+CONFIG_WL12XX_MENU=m
CONFIG_WL12XX=m
-CONFIG_WL18XX=m
-CONFIG_WLCORE=m
-CONFIG_WLCORE_SPI=m
-CONFIG_WLCORE_SDIO=m
+CONFIG_WL12XX_SPI=m
+CONFIG_WL12XX_SDIO=m
CONFIG_WL12XX_PLATFORM_DATA=y
CONFIG_ZD1211RW=m
# CONFIG_ZD1211RW_DEBUG is not set
CONFIG_MWIFIEX=m
CONFIG_MWIFIEX_SDIO=m
CONFIG_MWIFIEX_PCIE=m
-CONFIG_MWIFIEX_USB=m
#
# WiMAX Wireless Broadband devices
#
CONFIG_WIMAX_I2400M=m
CONFIG_WIMAX_I2400M_USB=m
+CONFIG_WIMAX_I2400M_SDIO=m
+CONFIG_WIMAX_IWMC3200_SDIO=y
CONFIG_WIMAX_I2400M_DEBUG_LEVEL=8
CONFIG_WAN=y
CONFIG_LANMEDIA=m
@@ -2449,56 +2391,7 @@ CONFIG_SBNI=m
CONFIG_SBNI_MULTILINE=y
CONFIG_VMXNET3=m
CONFIG_HYPERV_NET=m
-CONFIG_ISDN=y
-# CONFIG_ISDN_I4L is not set
-CONFIG_ISDN_CAPI=m
-# CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON is not set
-# CONFIG_CAPI_TRACE is not set
-CONFIG_ISDN_CAPI_MIDDLEWARE=y
-CONFIG_ISDN_CAPI_CAPI20=m
-
-#
-# CAPI hardware drivers
-#
-CONFIG_CAPI_AVM=y
-CONFIG_ISDN_DRV_AVMB1_B1PCI=m
-CONFIG_ISDN_DRV_AVMB1_B1PCIV4=y
-CONFIG_ISDN_DRV_AVMB1_B1PCMCIA=m
-CONFIG_ISDN_DRV_AVMB1_AVM_CS=m
-CONFIG_ISDN_DRV_AVMB1_T1PCI=m
-CONFIG_ISDN_DRV_AVMB1_C4=m
-CONFIG_CAPI_EICON=y
-CONFIG_ISDN_DIVAS=m
-CONFIG_ISDN_DIVAS_BRIPCI=y
-CONFIG_ISDN_DIVAS_PRIPCI=y
-CONFIG_ISDN_DIVAS_DIVACAPI=m
-CONFIG_ISDN_DIVAS_USERIDI=m
-CONFIG_ISDN_DIVAS_MAINT=m
-CONFIG_ISDN_DRV_GIGASET=m
-CONFIG_GIGASET_CAPI=y
-# CONFIG_GIGASET_DUMMYLL is not set
-CONFIG_GIGASET_BASE=m
-CONFIG_GIGASET_M105=m
-CONFIG_GIGASET_M101=m
-# CONFIG_GIGASET_DEBUG is not set
-CONFIG_HYSDN=m
-CONFIG_HYSDN_CAPI=y
-CONFIG_MISDN=m
-CONFIG_MISDN_DSP=m
-CONFIG_MISDN_L1OIP=m
-
-#
-# mISDN hardware drivers
-#
-CONFIG_MISDN_HFCPCI=m
-CONFIG_MISDN_HFCMULTI=m
-CONFIG_MISDN_HFCUSB=m
-CONFIG_MISDN_AVMFRITZ=m
-# CONFIG_MISDN_SPEEDFAX is not set
-# CONFIG_MISDN_INFINEON is not set
-# CONFIG_MISDN_W6692 is not set
-# CONFIG_MISDN_NETJET is not set
-CONFIG_MISDN_IPAC=m
+# CONFIG_ISDN is not set
#
# Input device support
@@ -2507,7 +2400,6 @@ CONFIG_INPUT=y
CONFIG_INPUT_FF_MEMLESS=m
CONFIG_INPUT_POLLDEV=m
CONFIG_INPUT_SPARSEKMAP=m
-# CONFIG_INPUT_MATRIXKMAP is not set
#
# Userland interfaces
@@ -2536,7 +2428,6 @@ CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_TCA8418 is not set
# CONFIG_KEYBOARD_MATRIX is not set
# CONFIG_KEYBOARD_LM8323 is not set
-# CONFIG_KEYBOARD_LM8333 is not set
# CONFIG_KEYBOARD_MAX7359 is not set
# CONFIG_KEYBOARD_MCS is not set
# CONFIG_KEYBOARD_MPR121 is not set
@@ -2585,15 +2476,12 @@ CONFIG_TOUCHSCREEN_FUJITSU=m
CONFIG_TOUCHSCREEN_GUNZE=m
CONFIG_TOUCHSCREEN_ELO=m
CONFIG_TOUCHSCREEN_WACOM_W8001=m
-# CONFIG_TOUCHSCREEN_WACOM_I2C is not set
# CONFIG_TOUCHSCREEN_MAX11801 is not set
# CONFIG_TOUCHSCREEN_MCS5000 is not set
-# CONFIG_TOUCHSCREEN_MMS114 is not set
CONFIG_TOUCHSCREEN_MTOUCH=m
CONFIG_TOUCHSCREEN_INEXIO=m
CONFIG_TOUCHSCREEN_MK712=m
CONFIG_TOUCHSCREEN_PENMOUNT=m
-# CONFIG_TOUCHSCREEN_EDT_FT5X06 is not set
CONFIG_TOUCHSCREEN_TOUCHRIGHT=m
CONFIG_TOUCHSCREEN_TOUCHWIN=m
CONFIG_TOUCHSCREEN_UCB1400=m
@@ -2603,6 +2491,7 @@ CONFIG_TOUCHSCREEN_WM9705=y
CONFIG_TOUCHSCREEN_WM9712=y
CONFIG_TOUCHSCREEN_WM9713=y
CONFIG_TOUCHSCREEN_USB_COMPOSITE=m
+# CONFIG_TOUCHSCREEN_MC13783 is not set
CONFIG_TOUCHSCREEN_USB_EGALAX=y
CONFIG_TOUCHSCREEN_USB_PANJIT=y
CONFIG_TOUCHSCREEN_USB_3M=y
@@ -2633,6 +2522,7 @@ CONFIG_INPUT_AD714X_I2C=m
CONFIG_INPUT_AD714X_SPI=m
# CONFIG_INPUT_BMA150 is not set
CONFIG_INPUT_PCSPKR=m
+# CONFIG_INPUT_MC13783_PWRBUTTON is not set
CONFIG_INPUT_MMA8450=m
CONFIG_INPUT_MPU3050=m
CONFIG_INPUT_APANEL=m
@@ -2709,7 +2599,6 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_PNP=y
-CONFIG_SERIAL_8250_CS=m
CONFIG_SERIAL_8250_NR_UARTS=16
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
CONFIG_SERIAL_8250_EXTENDED=y
@@ -2783,6 +2672,7 @@ CONFIG_TCG_ATMEL=m
CONFIG_TCG_INFINEON=m
CONFIG_TELCLOCK=m
CONFIG_DEVPORT=y
+CONFIG_RAMOOPS=m
CONFIG_I2C=m
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_COMPAT=y
@@ -2875,7 +2765,6 @@ CONFIG_SPI_LM70_LLP=m
CONFIG_SPI_PXA2XX=m
CONFIG_SPI_PXA2XX_PCI=y
CONFIG_SPI_TOPCLIFF_PCH=m
-CONFIG_SPI_XCOMM=m
# CONFIG_SPI_XILINX is not set
CONFIG_SPI_DESIGNWARE=m
CONFIG_SPI_DW_PCI=m
@@ -2915,7 +2804,6 @@ CONFIG_GPIO_MAX730X=m
# CONFIG_GPIO_GENERIC_PLATFORM is not set
CONFIG_GPIO_IT8761E=m
CONFIG_GPIO_SCH=m
-CONFIG_GPIO_ICH=m
CONFIG_GPIO_VX855=m
#
@@ -2931,8 +2819,7 @@ CONFIG_GPIO_ADP5588=m
# PCI GPIO expanders:
#
CONFIG_GPIO_CS5535=m
-CONFIG_GPIO_BT8XX=m
-CONFIG_GPIO_AMD8111=m
+# CONFIG_GPIO_BT8XX is not set
# CONFIG_GPIO_LANGWELL is not set
CONFIG_GPIO_PCH=m
CONFIG_GPIO_ML_IOH=m
@@ -2974,7 +2861,6 @@ CONFIG_POWER_SUPPLY=y
# CONFIG_CHARGER_LP8727 is not set
# CONFIG_CHARGER_GPIO is not set
# CONFIG_CHARGER_SMB347 is not set
-# CONFIG_POWER_AVS is not set
CONFIG_HWMON=m
CONFIG_HWMON_VID=m
# CONFIG_HWMON_DEBUG_CHIP is not set
@@ -3015,7 +2901,6 @@ CONFIG_SENSORS_G760A=m
CONFIG_SENSORS_GL518SM=m
CONFIG_SENSORS_GL520SM=m
CONFIG_SENSORS_GPIO_FAN=m
-# CONFIG_SENSORS_HIH6130 is not set
CONFIG_SENSORS_CORETEMP=m
CONFIG_SENSORS_IBMAEM=m
CONFIG_SENSORS_IBMPEX=m
@@ -3082,7 +2967,6 @@ CONFIG_SENSORS_ADS1015=m
CONFIG_SENSORS_ADS7828=m
CONFIG_SENSORS_ADS7871=m
CONFIG_SENSORS_AMC6821=m
-# CONFIG_SENSORS_INA2XX is not set
CONFIG_SENSORS_THMC50=m
CONFIG_SENSORS_TMP102=m
CONFIG_SENSORS_TMP401=m
@@ -3102,6 +2986,7 @@ CONFIG_SENSORS_W83L786NG=m
CONFIG_SENSORS_W83627HF=m
CONFIG_SENSORS_W83627EHF=m
CONFIG_SENSORS_APPLESMC=m
+# CONFIG_SENSORS_MC13783_ADC is not set
#
# ACPI drivers
@@ -3131,7 +3016,6 @@ CONFIG_IB700_WDT=m
CONFIG_IBMASR=m
CONFIG_WAFER_WDT=m
CONFIG_I6300ESB_WDT=m
-CONFIG_IE6XX_WDT=m
CONFIG_ITCO_WDT=m
CONFIG_ITCO_VENDOR_SUPPORT=y
CONFIG_IT8712F_WDT=m
@@ -3176,8 +3060,6 @@ CONFIG_SSB_BLOCKIO=y
CONFIG_SSB_PCIHOST_POSSIBLE=y
CONFIG_SSB_PCIHOST=y
CONFIG_SSB_B43_PCI_BRIDGE=y
-CONFIG_SSB_PCMCIAHOST_POSSIBLE=y
-CONFIG_SSB_PCMCIAHOST=y
CONFIG_SSB_SDIOHOST_POSSIBLE=y
CONFIG_SSB_SDIOHOST=y
# CONFIG_SSB_SILENT is not set
@@ -3199,7 +3081,6 @@ CONFIG_MFD_SM501=m
# CONFIG_MFD_SM501_GPIO is not set
CONFIG_HTC_PASIC3=m
CONFIG_UCB1400_CORE=m
-# CONFIG_MFD_LM3533 is not set
# CONFIG_TPS6105X is not set
CONFIG_TPS65010=m
CONFIG_TPS6507X=m
@@ -3208,515 +3089,25 @@ CONFIG_TPS6507X=m
# CONFIG_MFD_STMPE is not set
# CONFIG_MFD_TMIO is not set
# CONFIG_MFD_DA9052_SPI is not set
-# CONFIG_MFD_ARIZONA_I2C is not set
-# CONFIG_MFD_ARIZONA_SPI is not set
+CONFIG_MFD_WM8400=m
# CONFIG_MFD_WM831X_SPI is not set
CONFIG_MFD_PCF50633=m
CONFIG_PCF50633_ADC=m
CONFIG_PCF50633_GPIO=m
-# CONFIG_MFD_MC13XXX_SPI is not set
-# CONFIG_MFD_MC13XXX_I2C is not set
+CONFIG_MFD_MC13783=m
+CONFIG_MFD_MC13XXX=m
CONFIG_ABX500_CORE=y
# CONFIG_EZX_PCAP is not set
+# CONFIG_AB8500_CORE is not set
CONFIG_MFD_CS5535=m
CONFIG_MFD_TIMBERDALE=m
CONFIG_LPC_SCH=m
-CONFIG_LPC_ICH=m
CONFIG_MFD_RDC321X=m
CONFIG_MFD_JANZ_CMODIO=m
CONFIG_MFD_VX855=m
CONFIG_MFD_WL1273_CORE=m
# CONFIG_REGULATOR is not set
-CONFIG_MEDIA_SUPPORT=m
-
-#
-# Multimedia core support
-#
-CONFIG_MEDIA_CAMERA_SUPPORT=y
-# CONFIG_MEDIA_ANALOG_TV_SUPPORT is not set
-CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
-# CONFIG_MEDIA_RADIO_SUPPORT is not set
-CONFIG_MEDIA_RC_SUPPORT=y
-CONFIG_MEDIA_CONTROLLER=y
-CONFIG_VIDEO_DEV=m
-CONFIG_VIDEO_V4L2_COMMON=m
-CONFIG_VIDEO_V4L2_SUBDEV_API=y
-CONFIG_DVB_CORE=m
-CONFIG_DVB_NET=y
-
-#
-# Media drivers
-#
-CONFIG_VIDEO_SAA7146=m
-CONFIG_VIDEO_SAA7146_VV=m
-CONFIG_RC_CORE=m
-CONFIG_RC_MAP=m
-CONFIG_RC_DECODERS=y
-# CONFIG_LIRC is not set
-CONFIG_IR_NEC_DECODER=m
-CONFIG_IR_RC5_DECODER=m
-CONFIG_IR_RC6_DECODER=m
-CONFIG_IR_JVC_DECODER=m
-CONFIG_IR_SONY_DECODER=m
-CONFIG_IR_RC5_SZ_DECODER=m
-CONFIG_IR_SANYO_DECODER=m
-CONFIG_IR_MCE_KBD_DECODER=m
-CONFIG_RC_DEVICES=y
-CONFIG_RC_ATI_REMOTE=m
-CONFIG_IR_ENE=m
-CONFIG_IR_IMON=m
-CONFIG_IR_MCEUSB=m
-CONFIG_IR_ITE_CIR=m
-CONFIG_IR_FINTEK=m
-CONFIG_IR_NUVOTON=m
-CONFIG_IR_REDRAT3=m
-CONFIG_IR_STREAMZAP=m
-CONFIG_IR_WINBOND_CIR=m
-CONFIG_IR_IGUANA=m
-CONFIG_RC_LOOPBACK=m
-CONFIG_IR_GPIO_CIR=m
-CONFIG_MEDIA_ATTACH=y
-CONFIG_MEDIA_TUNER_SIMPLE=m
-CONFIG_MEDIA_TUNER_TDA827X=m
-CONFIG_MEDIA_TUNER_TDA18271=m
-CONFIG_MEDIA_TUNER_TDA9887=m
-CONFIG_MEDIA_TUNER_MT2060=m
-CONFIG_MEDIA_TUNER_MT2063=m
-CONFIG_MEDIA_TUNER_MT2266=m
-CONFIG_MEDIA_TUNER_MT2131=m
-CONFIG_MEDIA_TUNER_QT1010=m
-CONFIG_MEDIA_TUNER_XC2028=m
-CONFIG_MEDIA_TUNER_XC5000=m
-CONFIG_MEDIA_TUNER_XC4000=m
-CONFIG_MEDIA_TUNER_MXL5005S=m
-CONFIG_MEDIA_TUNER_MXL5007T=m
-CONFIG_MEDIA_TUNER_MC44S803=m
-CONFIG_MEDIA_TUNER_MAX2165=m
-CONFIG_MEDIA_TUNER_TDA18218=m
-CONFIG_MEDIA_TUNER_FC0011=m
-CONFIG_MEDIA_TUNER_FC0012=m
-CONFIG_MEDIA_TUNER_FC0013=m
-CONFIG_MEDIA_TUNER_TDA18212=m
-CONFIG_MEDIA_TUNER_TUA9001=m
-CONFIG_VIDEO_V4L2=m
-CONFIG_VIDEOBUF_GEN=m
-CONFIG_VIDEOBUF_DMA_SG=m
-CONFIG_VIDEOBUF_VMALLOC=m
-CONFIG_VIDEO_TVEEPROM=m
-CONFIG_VIDEO_TUNER=m
-CONFIG_V4L2_MEM2MEM_DEV=m
-CONFIG_VIDEOBUF2_CORE=m
-CONFIG_VIDEOBUF2_MEMOPS=m
-CONFIG_VIDEOBUF2_VMALLOC=m
-CONFIG_VIDEO_CAPTURE_DRIVERS=y
-# CONFIG_VIDEO_ADV_DEBUG is not set
-# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
-# CONFIG_VIDEO_HELPER_CHIPS_AUTO is not set
-CONFIG_VIDEO_IR_I2C=m
-
-#
-# Encoders, decoders, sensors and other helper chips
-#
-
-#
-# Audio decoders, processors and mixers
-#
-CONFIG_VIDEO_TVAUDIO=m
-CONFIG_VIDEO_TDA7432=m
-CONFIG_VIDEO_TDA9840=m
-CONFIG_VIDEO_TEA6415C=m
-CONFIG_VIDEO_TEA6420=m
-CONFIG_VIDEO_MSP3400=m
-CONFIG_VIDEO_CS5345=m
-CONFIG_VIDEO_CS53L32A=m
-CONFIG_VIDEO_TLV320AIC23B=m
-CONFIG_VIDEO_WM8775=m
-CONFIG_VIDEO_WM8739=m
-CONFIG_VIDEO_VP27SMPX=m
-
-#
-# RDS decoders
-#
-CONFIG_VIDEO_SAA6588=m
-
-#
-# Video decoders
-#
-CONFIG_VIDEO_ADV7180=m
-CONFIG_VIDEO_ADV7183=m
-CONFIG_VIDEO_BT819=m
-CONFIG_VIDEO_BT856=m
-CONFIG_VIDEO_BT866=m
-CONFIG_VIDEO_KS0127=m
-CONFIG_VIDEO_SAA7110=m
-CONFIG_VIDEO_SAA711X=m
-CONFIG_VIDEO_SAA7191=m
-CONFIG_VIDEO_TVP514X=m
-CONFIG_VIDEO_TVP5150=m
-CONFIG_VIDEO_TVP7002=m
-CONFIG_VIDEO_VPX3220=m
-
-#
-# Video and audio decoders
-#
-CONFIG_VIDEO_SAA717X=m
-CONFIG_VIDEO_CX25840=m
-
-#
-# MPEG video encoders
-#
-CONFIG_VIDEO_CX2341X=m
-
-#
-# Video encoders
-#
-CONFIG_VIDEO_SAA7127=m
-CONFIG_VIDEO_SAA7185=m
-CONFIG_VIDEO_ADV7170=m
-CONFIG_VIDEO_ADV7175=m
-CONFIG_VIDEO_ADV7343=m
-CONFIG_VIDEO_ADV7393=m
-CONFIG_VIDEO_AK881X=m
-
-#
-# Camera sensor devices
-#
-CONFIG_VIDEO_APTINA_PLL=m
-CONFIG_VIDEO_OV7670=m
-CONFIG_VIDEO_VS6624=m
-CONFIG_VIDEO_MT9M032=m
-CONFIG_VIDEO_MT9P031=m
-CONFIG_VIDEO_MT9T001=m
-CONFIG_VIDEO_MT9V011=m
-CONFIG_VIDEO_MT9V032=m
-CONFIG_VIDEO_TCM825X=m
-# CONFIG_VIDEO_SR030PC30 is not set
-CONFIG_VIDEO_NOON010PC30=m
-# CONFIG_VIDEO_M5MOLS is not set
-CONFIG_VIDEO_S5K6AA=m
-
-#
-# Flash devices
-#
-# CONFIG_VIDEO_ADP1653 is not set
-# CONFIG_VIDEO_AS3645A is not set
-
-#
-# Video improvement chips
-#
-CONFIG_VIDEO_UPD64031A=m
-CONFIG_VIDEO_UPD64083=m
-
-#
-# Miscelaneous helper chips
-#
-CONFIG_VIDEO_THS7303=m
-CONFIG_VIDEO_M52790=m
-# CONFIG_VIDEO_VIVI is not set
-CONFIG_V4L_USB_DRIVERS=y
-
-#
-# Webcam devices
-#
-CONFIG_USB_VIDEO_CLASS=m
-CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y
-CONFIG_USB_GSPCA=m
-CONFIG_USB_M5602=m
-CONFIG_USB_STV06XX=m
-CONFIG_USB_GL860=m
-CONFIG_USB_GSPCA_BENQ=m
-CONFIG_USB_GSPCA_CONEX=m
-CONFIG_USB_GSPCA_CPIA1=m
-CONFIG_USB_GSPCA_ETOMS=m
-CONFIG_USB_GSPCA_FINEPIX=m
-CONFIG_USB_GSPCA_JEILINJ=m
-CONFIG_USB_GSPCA_JL2005BCD=m
-CONFIG_USB_GSPCA_KINECT=m
-# CONFIG_USB_GSPCA_KONICA is not set
-CONFIG_USB_GSPCA_MARS=m
-CONFIG_USB_GSPCA_MR97310A=m
-CONFIG_USB_GSPCA_NW80X=m
-CONFIG_USB_GSPCA_OV519=m
-CONFIG_USB_GSPCA_OV534=m
-CONFIG_USB_GSPCA_OV534_9=m
-CONFIG_USB_GSPCA_PAC207=m
-CONFIG_USB_GSPCA_PAC7302=m
-CONFIG_USB_GSPCA_PAC7311=m
-CONFIG_USB_GSPCA_SE401=m
-CONFIG_USB_GSPCA_SN9C2028=m
-CONFIG_USB_GSPCA_SN9C20X=m
-CONFIG_USB_GSPCA_SONIXB=m
-CONFIG_USB_GSPCA_SONIXJ=m
-CONFIG_USB_GSPCA_SPCA500=m
-CONFIG_USB_GSPCA_SPCA501=m
-CONFIG_USB_GSPCA_SPCA505=m
-CONFIG_USB_GSPCA_SPCA506=m
-CONFIG_USB_GSPCA_SPCA508=m
-CONFIG_USB_GSPCA_SPCA561=m
-# CONFIG_USB_GSPCA_SPCA1528 is not set
-CONFIG_USB_GSPCA_SQ905=m
-CONFIG_USB_GSPCA_SQ905C=m
-# CONFIG_USB_GSPCA_SQ930X is not set
-CONFIG_USB_GSPCA_STK014=m
-CONFIG_USB_GSPCA_STV0680=m
-CONFIG_USB_GSPCA_SUNPLUS=m
-CONFIG_USB_GSPCA_T613=m
-CONFIG_USB_GSPCA_TOPRO=m
-CONFIG_USB_GSPCA_TV8532=m
-CONFIG_USB_GSPCA_VC032X=m
-CONFIG_USB_GSPCA_VICAM=m
-# CONFIG_USB_GSPCA_XIRLINK_CIT is not set
-CONFIG_USB_GSPCA_ZC3XX=m
-# CONFIG_USB_PWC is not set
-# CONFIG_VIDEO_CPIA2 is not set
-CONFIG_USB_ZR364XX=m
-CONFIG_USB_STKWEBCAM=m
-CONFIG_USB_S2255=m
-CONFIG_USB_SN9C102=m
-
-#
-# Webcam and/or TV USB devices
-#
-CONFIG_VIDEO_EM28XX=m
-CONFIG_VIDEO_EM28XX_ALSA=m
-# CONFIG_VIDEO_EM28XX_DVB is not set
-CONFIG_VIDEO_EM28XX_RC=m
-# CONFIG_V4L_ISA_PARPORT_DRIVERS is not set
-# CONFIG_V4L_PLATFORM_DRIVERS is not set
-CONFIG_V4L_MEM2MEM_DRIVERS=y
-CONFIG_VIDEO_MEM2MEM_TESTDEV=m
-CONFIG_DVB_MAX_ADAPTERS=8
-# CONFIG_DVB_DYNAMIC_MINORS is not set
-CONFIG_DVB_CAPTURE_DRIVERS=y
-
-#
-# Supported SAA7146 based PCI Adapters
-#
-CONFIG_TTPCI_EEPROM=m
-CONFIG_DVB_AV7110=m
-CONFIG_DVB_AV7110_OSD=y
-CONFIG_DVB_BUDGET_CORE=m
-CONFIG_DVB_BUDGET=m
-CONFIG_DVB_BUDGET_CI=m
-CONFIG_DVB_BUDGET_AV=m
-CONFIG_DVB_BUDGET_PATCH=m
-
-#
-# Supported USB Adapters
-#
-CONFIG_DVB_USB=m
-# CONFIG_DVB_USB_DEBUG is not set
-CONFIG_DVB_USB_A800=m
-CONFIG_DVB_USB_DIBUSB_MB=m
-# CONFIG_DVB_USB_DIBUSB_MB_FAULTY is not set
-CONFIG_DVB_USB_DIBUSB_MC=m
-CONFIG_DVB_USB_DIB0700=m
-CONFIG_DVB_USB_UMT_010=m
-CONFIG_DVB_USB_CXUSB=m
-CONFIG_DVB_USB_M920X=m
-CONFIG_DVB_USB_GL861=m
-CONFIG_DVB_USB_AU6610=m
-CONFIG_DVB_USB_DIGITV=m
-CONFIG_DVB_USB_VP7045=m
-CONFIG_DVB_USB_VP702X=m
-CONFIG_DVB_USB_GP8PSK=m
-CONFIG_DVB_USB_NOVA_T_USB2=m
-CONFIG_DVB_USB_TTUSB2=m
-CONFIG_DVB_USB_DTT200U=m
-CONFIG_DVB_USB_OPERA1=m
-CONFIG_DVB_USB_AF9005=m
-CONFIG_DVB_USB_AF9005_REMOTE=m
-CONFIG_DVB_USB_PCTV452E=m
-CONFIG_DVB_USB_DW2102=m
-CONFIG_DVB_USB_CINERGY_T2=m
-CONFIG_DVB_USB_ANYSEE=m
-CONFIG_DVB_USB_DTV5100=m
-CONFIG_DVB_USB_AF9015=m
-CONFIG_DVB_USB_CE6230=m
-CONFIG_DVB_USB_FRIIO=m
-CONFIG_DVB_USB_EC168=m
-CONFIG_DVB_USB_AZ6007=m
-CONFIG_DVB_USB_AZ6027=m
-CONFIG_DVB_USB_LME2510=m
-CONFIG_DVB_USB_TECHNISAT_USB2=m
-CONFIG_DVB_USB_IT913X=m
-CONFIG_DVB_USB_MXL111SF=m
-CONFIG_DVB_USB_RTL28XXU=m
-CONFIG_DVB_USB_AF9035=m
-CONFIG_DVB_TTUSB_BUDGET=m
-CONFIG_DVB_TTUSB_DEC=m
-CONFIG_SMS_SIANO_MDTV=m
-
-#
-# Siano module components
-#
-# CONFIG_SMS_USB_DRV is not set
-# CONFIG_SMS_SDIO_DRV is not set
-
-#
-# Supported FlexCopII (B2C2) Adapters
-#
-CONFIG_DVB_B2C2_FLEXCOP=m
-CONFIG_DVB_B2C2_FLEXCOP_PCI=m
-CONFIG_DVB_B2C2_FLEXCOP_USB=m
-# CONFIG_DVB_B2C2_FLEXCOP_DEBUG is not set
-
-#
-# Supported BT878 Adapters
-#
-
-#
-# Supported Pluto2 Adapters
-#
-CONFIG_DVB_PLUTO2=m
-
-#
-# Supported SDMC DM1105 Adapters
-#
-CONFIG_DVB_DM1105=m
-
-#
-# Supported FireWire (IEEE 1394) Adapters
-#
-CONFIG_DVB_FIREDTV=m
-CONFIG_DVB_FIREDTV_INPUT=y
-
-#
-# Supported Earthsoft PT1 Adapters
-#
-CONFIG_DVB_PT1=m
-
-#
-# Supported Mantis Adapters
-#
-CONFIG_MANTIS_CORE=m
-CONFIG_DVB_MANTIS=m
-CONFIG_DVB_HOPPER=m
-
-#
-# Supported nGene Adapters
-#
-CONFIG_DVB_NGENE=m
-
-#
-# Supported ddbridge ('Octopus') Adapters
-#
-CONFIG_DVB_DDBRIDGE=m
-
-#
-# Supported DVB Frontends
-#
-# CONFIG_DVB_FE_CUSTOMISE is not set
-
-#
-# Multistandard (satellite) frontends
-#
-CONFIG_DVB_STB0899=m
-CONFIG_DVB_STB6100=m
-CONFIG_DVB_STV090x=m
-CONFIG_DVB_STV6110x=m
-
-#
-# Multistandard (cable + terrestrial) frontends
-#
-CONFIG_DVB_DRXK=m
-CONFIG_DVB_TDA18271C2DD=m
-
-#
-# DVB-S (satellite) frontends
-#
-CONFIG_DVB_CX24123=m
-CONFIG_DVB_MT312=m
-CONFIG_DVB_ZL10039=m
-CONFIG_DVB_S5H1420=m
-CONFIG_DVB_STV0288=m
-CONFIG_DVB_STB6000=m
-CONFIG_DVB_STV0299=m
-CONFIG_DVB_STV6110=m
-CONFIG_DVB_STV0900=m
-CONFIG_DVB_TDA8083=m
-CONFIG_DVB_TDA10086=m
-CONFIG_DVB_TDA8261=m
-CONFIG_DVB_VES1X93=m
-CONFIG_DVB_TUNER_ITD1000=m
-CONFIG_DVB_TUNER_CX24113=m
-CONFIG_DVB_TDA826X=m
-CONFIG_DVB_TUA6100=m
-CONFIG_DVB_CX24116=m
-CONFIG_DVB_SI21XX=m
-CONFIG_DVB_DS3000=m
-CONFIG_DVB_MB86A16=m
-
-#
-# DVB-T (terrestrial) frontends
-#
-CONFIG_DVB_SP8870=m
-CONFIG_DVB_CX22700=m
-CONFIG_DVB_CX22702=m
-CONFIG_DVB_L64781=m
-CONFIG_DVB_TDA1004X=m
-CONFIG_DVB_NXT6000=m
-CONFIG_DVB_MT352=m
-CONFIG_DVB_ZL10353=m
-CONFIG_DVB_DIB3000MB=m
-CONFIG_DVB_DIB3000MC=m
-CONFIG_DVB_DIB7000M=m
-CONFIG_DVB_DIB7000P=m
-CONFIG_DVB_AF9013=m
-CONFIG_DVB_EC100=m
-CONFIG_DVB_CXD2820R=m
-CONFIG_DVB_RTL2830=m
-CONFIG_DVB_RTL2832=m
-
-#
-# DVB-C (cable) frontends
-#
-CONFIG_DVB_VES1820=m
-CONFIG_DVB_TDA10021=m
-CONFIG_DVB_TDA10023=m
-CONFIG_DVB_STV0297=m
-
-#
-# ATSC (North American/Korean Terrestrial/Cable DTV) frontends
-#
-CONFIG_DVB_NXT200X=m
-CONFIG_DVB_BCM3510=m
-CONFIG_DVB_LGDT330X=m
-CONFIG_DVB_LGDT3305=m
-CONFIG_DVB_LG2160=m
-CONFIG_DVB_S5H1411=m
-
-#
-# ISDB-T (terrestrial) frontends
-#
-CONFIG_DVB_DIB8000=m
-
-#
-# Digital terrestrial only tuners/PLL
-#
-CONFIG_DVB_PLL=m
-CONFIG_DVB_TUNER_DIB0070=m
-CONFIG_DVB_TUNER_DIB0090=m
-
-#
-# SEC control devices for DVB-S
-#
-CONFIG_DVB_LNBP21=m
-CONFIG_DVB_LNBP22=m
-CONFIG_DVB_ISL6421=m
-CONFIG_DVB_ISL6423=m
-CONFIG_DVB_LGS8GXX=m
-CONFIG_DVB_ATBM8830=m
-CONFIG_DVB_TDA665x=m
-CONFIG_DVB_IX2505V=m
-CONFIG_DVB_IT913X_FE=m
-CONFIG_DVB_M88RS2000=m
-CONFIG_DVB_AF9033=m
-
-#
-# Tools to develop new frontends
-#
-# CONFIG_DVB_DUMMY_FE is not set
+# CONFIG_MEDIA_SUPPORT is not set
#
# Graphics support
@@ -3760,14 +3151,10 @@ CONFIG_DRM_SIS=m
CONFIG_DRM_VIA=m
CONFIG_DRM_SAVAGE=m
CONFIG_DRM_VMWGFX=m
-CONFIG_DRM_VMWGFX_FBCON=y
CONFIG_DRM_GMA500=m
CONFIG_DRM_GMA600=y
CONFIG_DRM_GMA3600=y
# CONFIG_DRM_UDL is not set
-CONFIG_DRM_AST=m
-CONFIG_DRM_MGAG200=m
-CONFIG_DRM_CIRRUS_QEMU=m
# CONFIG_STUB_POULSBO is not set
CONFIG_VGASTATE=m
CONFIG_VIDEO_OUTPUT_CONTROL=m
@@ -3878,7 +3265,6 @@ CONFIG_FB_MB862XX=m
CONFIG_FB_MB862XX_PCI_GDC=y
CONFIG_FB_MB862XX_I2C=y
CONFIG_FB_BROADSHEET=m
-# CONFIG_FB_AUO_K190X is not set
# CONFIG_EXYNOS_VIDEO is not set
CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_LCD_CLASS_DEVICE=m
@@ -3896,7 +3282,6 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=m
CONFIG_BACKLIGHT_GENERIC=m
CONFIG_BACKLIGHT_PROGEAR=m
CONFIG_BACKLIGHT_CARILLO_RANCH=m
-CONFIG_BACKLIGHT_PWM=m
# CONFIG_BACKLIGHT_APPLE is not set
CONFIG_BACKLIGHT_SAHARA=m
CONFIG_BACKLIGHT_ADP8860=m
@@ -3967,7 +3352,6 @@ CONFIG_SND_AC97_POWER_SAVE=y
CONFIG_SND_AC97_POWER_SAVE_DEFAULT=0
CONFIG_SND_SB_COMMON=m
CONFIG_SND_SB16_DSP=m
-CONFIG_SND_TEA575X=m
CONFIG_SND_PCI=y
CONFIG_SND_AD1889=m
CONFIG_SND_ALS300=m
@@ -4014,9 +3398,7 @@ CONFIG_SND_ENS1371=m
CONFIG_SND_ES1938=m
CONFIG_SND_ES1968=m
CONFIG_SND_ES1968_INPUT=y
-CONFIG_SND_ES1968_RADIO=y
CONFIG_SND_FM801=m
-# CONFIG_SND_FM801_TEA575X_BOOL is not set
CONFIG_SND_HDA_INTEL=m
CONFIG_SND_HDA_PREALLOC_SIZE=4096
CONFIG_SND_HDA_HWDEP=y
@@ -4026,6 +3408,7 @@ CONFIG_SND_HDA_INPUT_BEEP_MODE=0
CONFIG_SND_HDA_INPUT_JACK=y
# CONFIG_SND_HDA_PATCH_LOADER is not set
CONFIG_SND_HDA_CODEC_REALTEK=y
+CONFIG_SND_HDA_ENABLE_REALTEK_QUIRKS=y
CONFIG_SND_HDA_CODEC_ANALOG=y
CONFIG_SND_HDA_CODEC_SIGMATEL=y
CONFIG_SND_HDA_CODEC_VIA=y
@@ -4077,14 +3460,10 @@ CONFIG_SND_FIREWIRE=y
CONFIG_SND_FIREWIRE_LIB=m
CONFIG_SND_FIREWIRE_SPEAKERS=m
CONFIG_SND_ISIGHT=m
-CONFIG_SND_PCMCIA=y
-CONFIG_SND_VXPOCKET=m
-CONFIG_SND_PDAUDIOCF=m
CONFIG_SND_SOC=m
CONFIG_SND_SOC_I2C_AND_SPI=m
CONFIG_SND_SOC_ALL_CODECS=m
CONFIG_SND_SOC_WM_HUBS=m
-CONFIG_SND_SOC_AB8500_CODEC=m
CONFIG_SND_SOC_AD1836=m
CONFIG_SND_SOC_AD193X=m
CONFIG_SND_SOC_AD73311=m
@@ -4099,7 +3478,6 @@ CONFIG_SND_SOC_AK4671=m
CONFIG_SND_SOC_ALC5623=m
CONFIG_SND_SOC_ALC5632=m
CONFIG_SND_SOC_CS42L51=m
-CONFIG_SND_SOC_CS42L52=m
CONFIG_SND_SOC_CS42L73=m
CONFIG_SND_SOC_CS4270=m
CONFIG_SND_SOC_CS4271=m
@@ -4107,10 +3485,7 @@ CONFIG_SND_SOC_CX20442=m
CONFIG_SND_SOC_JZ4740_CODEC=m
CONFIG_SND_SOC_L3=m
CONFIG_SND_SOC_DA7210=m
-CONFIG_SND_SOC_DA732X=m
CONFIG_SND_SOC_DFBMCS320=m
-CONFIG_SND_SOC_ISABELLE=m
-CONFIG_SND_SOC_LM49453=m
CONFIG_SND_SOC_MAX98088=m
CONFIG_SND_SOC_MAX98095=m
CONFIG_SND_SOC_MAX9850=m
@@ -4120,7 +3495,6 @@ CONFIG_SND_SOC_SGTL5000=m
CONFIG_SND_SOC_SPDIF=m
CONFIG_SND_SOC_SSM2602=m
CONFIG_SND_SOC_STA32X=m
-CONFIG_SND_SOC_STA529=m
CONFIG_SND_SOC_TLV320AIC23=m
CONFIG_SND_SOC_TLV320AIC26=m
CONFIG_SND_SOC_TLV320AIC32X4=m
@@ -4133,6 +3507,7 @@ CONFIG_SND_SOC_WM1250_EV1=m
CONFIG_SND_SOC_WM2000=m
CONFIG_SND_SOC_WM2200=m
CONFIG_SND_SOC_WM5100=m
+CONFIG_SND_SOC_WM8400=m
CONFIG_SND_SOC_WM8510=m
CONFIG_SND_SOC_WM8523=m
CONFIG_SND_SOC_WM8580=m
@@ -4172,19 +3547,25 @@ CONFIG_SND_SOC_WM9090=m
CONFIG_SND_SOC_LM4857=m
CONFIG_SND_SOC_MAX9768=m
CONFIG_SND_SOC_MAX9877=m
-CONFIG_SND_SOC_ML26124=m
CONFIG_SND_SOC_TPA6130A2=m
-CONFIG_SND_SIMPLE_CARD=m
# CONFIG_SOUND_PRIME is not set
CONFIG_AC97_BUS=m
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=m
+CONFIG_HIDRAW=y
#
-# HID support
+# USB Input Devices
#
-CONFIG_HID=m
-CONFIG_HIDRAW=y
-CONFIG_UHID=m
-CONFIG_HID_GENERIC=m
+CONFIG_USB_HID=m
+# CONFIG_HID_PID is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+CONFIG_USB_KBD=m
+CONFIG_USB_MOUSE=m
#
# Special HID drivers
@@ -4192,7 +3573,6 @@ CONFIG_HID_GENERIC=m
# CONFIG_HID_A4TECH is not set
# CONFIG_HID_ACRUX is not set
CONFIG_HID_APPLE=m
-# CONFIG_HID_AUREAL is not set
# CONFIG_HID_BELKIN is not set
# CONFIG_HID_CHERRY is not set
# CONFIG_HID_CHICONY is not set
@@ -4211,7 +3591,6 @@ CONFIG_HID_KEYTOUCH=m
# CONFIG_HID_TWINHAN is not set
# CONFIG_HID_KENSINGTON is not set
CONFIG_HID_LCPOWER=m
-CONFIG_HID_LENOVO_TPKBD=m
# CONFIG_HID_LOGITECH is not set
CONFIG_HID_MAGICMOUSE=m
# CONFIG_HID_MICROSOFT is not set
@@ -4243,19 +3622,6 @@ CONFIG_HID_HYPERV_MOUSE=m
# CONFIG_HID_WIIMOTE is not set
# CONFIG_HID_ZEROPLUS is not set
CONFIG_HID_ZYDACRON=m
-
-#
-# USB HID support
-#
-CONFIG_USB_HID=m
-# CONFIG_HID_PID is not set
-# CONFIG_USB_HIDDEV is not set
-
-#
-# USB HID Boot Protocol drivers
-#
-CONFIG_USB_KBD=m
-CONFIG_USB_MOUSE=m
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB_ARCH_HAS_XHCI=y
@@ -4269,11 +3635,12 @@ CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
#
# Miscellaneous USB options
#
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
# CONFIG_USB_DYNAMIC_MINORS is not set
# CONFIG_USB_OTG_WHITELIST is not set
# CONFIG_USB_OTG_BLACKLIST_HUB is not set
CONFIG_USB_MON=m
-CONFIG_USB_WUSB=m
CONFIG_USB_WUSB_CBAF=m
# CONFIG_USB_WUSB_CBAF_DEBUG is not set
@@ -4301,12 +3668,7 @@ CONFIG_USB_UHCI_HCD=m
CONFIG_USB_U132_HCD=m
CONFIG_USB_SL811_HCD=m
CONFIG_USB_SL811_HCD_ISO=y
-CONFIG_USB_SL811_CS=m
CONFIG_USB_R8A66597_HCD=m
-CONFIG_USB_WHCI_HCD=m
-CONFIG_USB_HWA_HCD=m
-CONFIG_USB_HCD_SSB=m
-# CONFIG_USB_CHIPIDEA is not set
#
# USB Device Class drivers
@@ -4338,7 +3700,6 @@ CONFIG_USB_STORAGE_ONETOUCH=m
CONFIG_USB_STORAGE_KARMA=m
CONFIG_USB_STORAGE_CYPRESS_ATACB=m
CONFIG_USB_STORAGE_ENE_UB6250=m
-CONFIG_USB_UAS=m
CONFIG_USB_LIBUSUAL=y
#
@@ -4406,7 +3767,6 @@ CONFIG_USB_SERIAL_OPTICON=m
CONFIG_USB_SERIAL_VIVOPAY_SERIAL=m
CONFIG_USB_SERIAL_ZIO=m
# CONFIG_USB_SERIAL_SSU100 is not set
-CONFIG_USB_SERIAL_QT2=m
CONFIG_USB_SERIAL_DEBUG=m
#
@@ -4433,11 +3793,6 @@ CONFIG_USB_IOWARRIOR=m
CONFIG_USB_TEST=m
CONFIG_USB_ISIGHTFW=m
# CONFIG_USB_YUREX is not set
-
-#
-# USB Physical Layer drivers
-#
-# CONFIG_USB_ISP1301 is not set
CONFIG_USB_ATM=m
CONFIG_USB_SPEEDTOUCH=m
CONFIG_USB_CXACRU=m
@@ -4451,10 +3806,7 @@ CONFIG_USB_XUSBATM=m
CONFIG_USB_OTG_UTILS=y
CONFIG_USB_GPIO_VBUS=m
CONFIG_NOP_USB_XCEIV=m
-CONFIG_UWB=m
-CONFIG_UWB_HWA=m
-CONFIG_UWB_WHCI=m
-CONFIG_UWB_I1480U=m
+# CONFIG_UWB is not set
CONFIG_MMC=m
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_UNSAFE_RESUME is not set
@@ -4519,17 +3871,15 @@ CONFIG_LEDS_BD2802=m
CONFIG_LEDS_INTEL_SS4200=m
CONFIG_LEDS_LT3593=m
CONFIG_LEDS_DELL_NETBOOKS=m
+# CONFIG_LEDS_MC13783 is not set
# CONFIG_LEDS_TCA6507 is not set
-CONFIG_LEDS_LM3556=m
# CONFIG_LEDS_OT200 is not set
-CONFIG_LEDS_BLINKM=m
CONFIG_LEDS_TRIGGERS=y
#
# LED Triggers
#
CONFIG_LEDS_TRIGGER_TIMER=m
-CONFIG_LEDS_TRIGGER_ONESHOT=m
CONFIG_LEDS_TRIGGER_HEARTBEAT=m
CONFIG_LEDS_TRIGGER_BACKLIGHT=m
CONFIG_LEDS_TRIGGER_GPIO=m
@@ -4538,7 +3888,6 @@ CONFIG_LEDS_TRIGGER_DEFAULT_ON=m
#
# iptables trigger is under Netfilter config (LED target)
#
-CONFIG_LEDS_TRIGGER_TRANSIENT=m
CONFIG_ACCESSIBILITY=y
# CONFIG_A11Y_BRAILLE_CONSOLE is not set
CONFIG_INFINIBAND=m
@@ -4556,7 +3905,6 @@ CONFIG_INFINIBAND_CXGB4=m
CONFIG_MLX4_INFINIBAND=m
CONFIG_INFINIBAND_NES=m
# CONFIG_INFINIBAND_NES_DEBUG is not set
-# CONFIG_INFINIBAND_OCRDMA is not set
CONFIG_INFINIBAND_IPOIB=m
# CONFIG_INFINIBAND_IPOIB_CM is not set
# CONFIG_INFINIBAND_IPOIB_DEBUG is not set
@@ -4637,6 +3985,7 @@ CONFIG_RTC_DRV_PCF50633=m
#
# on-CPU RTC drivers
#
+# CONFIG_RTC_DRV_MC13XXX is not set
CONFIG_DMADEVICES=y
# CONFIG_DMADEVICES_DEBUG is not set
@@ -4670,9 +4019,6 @@ CONFIG_UIO_AEC=m
CONFIG_UIO_SERCOS3=m
# CONFIG_UIO_PCI_GENERIC is not set
CONFIG_UIO_NETX=m
-CONFIG_VFIO_IOMMU_TYPE1=m
-CONFIG_VFIO=m
-CONFIG_VFIO_PCI=m
CONFIG_VIRTIO=m
CONFIG_VIRTIO_RING=m
@@ -4682,7 +4028,6 @@ CONFIG_VIRTIO_RING=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_MMIO=m
-# CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES is not set
#
# Microsoft Hyper-V guest support
@@ -4692,10 +4037,7 @@ CONFIG_HYPERV_UTILS=m
CONFIG_STAGING=y
# CONFIG_ET131X is not set
# CONFIG_SLICOSS is not set
-CONFIG_USBIP_CORE=m
-CONFIG_USBIP_VHCI_HCD=m
-CONFIG_USBIP_HOST=m
-# CONFIG_USBIP_DEBUG is not set
+# CONFIG_USBIP_CORE is not set
# CONFIG_W35UND is not set
# CONFIG_PRISM2_USB is not set
# CONFIG_ECHO is not set
@@ -4704,11 +4046,7 @@ CONFIG_USBIP_HOST=m
# CONFIG_PANEL is not set
# CONFIG_R8187SE is not set
# CONFIG_RTL8192U is not set
-CONFIG_RTLLIB=m
-CONFIG_RTLLIB_CRYPTO_CCMP=m
-CONFIG_RTLLIB_CRYPTO_TKIP=m
-CONFIG_RTLLIB_CRYPTO_WEP=m
-# CONFIG_RTL8192E is not set
+# CONFIG_RTLLIB is not set
# CONFIG_R8712U is not set
# CONFIG_RTS_PSTOR is not set
# CONFIG_RTS5139 is not set
@@ -4716,12 +4054,14 @@ CONFIG_RTLLIB_CRYPTO_WEP=m
# CONFIG_IDE_PHISON is not set
# CONFIG_LINE6_USB is not set
# CONFIG_USB_SERIAL_QUATECH2 is not set
+# CONFIG_USB_SERIAL_QUATECH_USB2 is not set
# CONFIG_VT6655 is not set
# CONFIG_VT6656 is not set
+# CONFIG_VME_BUS is not set
# CONFIG_DX_SEP is not set
+# CONFIG_IIO is not set
+# CONFIG_ZRAM is not set
# CONFIG_ZSMALLOC is not set
-# CONFIG_WLAGS49_H2 is not set
-# CONFIG_WLAGS49_H25 is not set
# CONFIG_FB_SM7XX is not set
# CONFIG_CRYSTALHD is not set
# CONFIG_CXT1E1 is not set
@@ -4738,6 +4078,7 @@ CONFIG_RTLLIB_CRYPTO_WEP=m
# CONFIG_SPEAKUP is not set
# CONFIG_TOUCHSCREEN_CLEARPAD_TM1217 is not set
# CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4 is not set
+# CONFIG_INTEL_MEI is not set
# CONFIG_STAGING_MEDIA is not set
#
@@ -4825,16 +4166,6 @@ CONFIG_INTEL_IOMMU_FLOPPY_WA=y
#
CONFIG_VIRT_DRIVERS=y
# CONFIG_PM_DEVFREQ is not set
-CONFIG_EXTCON=m
-
-#
-# Extcon Device Drivers
-#
-CONFIG_EXTCON_GPIO=m
-CONFIG_MEMORY=y
-# CONFIG_IIO is not set
-# CONFIG_VME_BUS is not set
-CONFIG_PWM=y
#
# Firmware Drivers
@@ -4992,9 +4323,11 @@ CONFIG_JFFS2_CMODE_PRIORITY=y
# CONFIG_JFFS2_CMODE_SIZE is not set
# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
CONFIG_UBIFS_FS=m
+CONFIG_UBIFS_FS_XATTR=y
# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
CONFIG_UBIFS_FS_LZO=y
CONFIG_UBIFS_FS_ZLIB=y
+# CONFIG_UBIFS_FS_DEBUG is not set
CONFIG_LOGFS=m
CONFIG_CRAMFS=m
CONFIG_SQUASHFS=m
@@ -5017,8 +4350,6 @@ CONFIG_ROMFS_BACKED_BY_BLOCK=y
# CONFIG_ROMFS_BACKED_BY_BOTH is not set
CONFIG_ROMFS_ON_BLOCK=y
CONFIG_PSTORE=y
-# CONFIG_PSTORE_CONSOLE is not set
-CONFIG_PSTORE_RAM=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
# CONFIG_UFS_FS_WRITE is not set
@@ -5028,11 +4359,9 @@ CONFIG_EXOFS_FS=m
CONFIG_ORE=m
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=m
-CONFIG_NFS_V2=m
-CONFIG_NFS_V3=m
+CONFIG_NFS_V3=y
# CONFIG_NFS_V3_ACL is not set
-CONFIG_NFS_V4=m
-# CONFIG_NFS_SWAP is not set
+CONFIG_NFS_V4=y
# CONFIG_NFS_V4_1 is not set
# CONFIG_NFS_FSCACHE is not set
# CONFIG_NFS_USE_LEGACY_DNS is not set
@@ -5107,17 +4436,6 @@ CONFIG_NLS_ISO8859_14=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_KOI8_R=m
CONFIG_NLS_KOI8_U=m
-CONFIG_NLS_MAC_ROMAN=m
-CONFIG_NLS_MAC_CELTIC=m
-CONFIG_NLS_MAC_CENTEURO=m
-CONFIG_NLS_MAC_CROATIAN=m
-CONFIG_NLS_MAC_CYRILLIC=m
-CONFIG_NLS_MAC_GAELIC=m
-CONFIG_NLS_MAC_GREEK=m
-CONFIG_NLS_MAC_ICELAND=m
-CONFIG_NLS_MAC_INUIT=m
-CONFIG_NLS_MAC_ROMANIAN=m
-CONFIG_NLS_MAC_TURKISH=m
CONFIG_NLS_UTF8=m
CONFIG_DLM=m
# CONFIG_DLM_DEBUG is not set
@@ -5133,7 +4451,6 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
CONFIG_FRAME_WARN=1024
CONFIG_MAGIC_SYSRQ=y
# CONFIG_STRIP_ASM_SYMS is not set
-# CONFIG_READABLE_ASM is not set
# CONFIG_UNUSED_SYMBOLS is not set
CONFIG_DEBUG_FS=y
# CONFIG_HEADERS_CHECK is not set
@@ -5146,8 +4463,6 @@ CONFIG_HARDLOCKUP_DETECTOR=y
CONFIG_BOOTPARAM_HARDLOCKUP_PANIC_VALUE=0
# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
-# CONFIG_PANIC_ON_OOPS is not set
-CONFIG_PANIC_ON_OOPS_VALUE=0
# CONFIG_DETECT_HUNG_TASK is not set
CONFIG_SCHED_DEBUG=y
CONFIG_SCHEDSTATS=y
@@ -5193,7 +4508,7 @@ CONFIG_RCU_CPU_STALL_TIMEOUT=60
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# CONFIG_DEBUG_PER_CPU_MAPS is not set
# CONFIG_LKDTM is not set
-# CONFIG_NOTIFIER_ERROR_INJECTION is not set
+# CONFIG_CPU_NOTIFIER_ERROR_INJECT is not set
# CONFIG_FAULT_INJECTION is not set
CONFIG_LATENCYTOP=y
# CONFIG_DEBUG_PAGEALLOC is not set
@@ -5270,7 +4585,6 @@ CONFIG_VSERVER_CONTEXTS=256
CONFIG_VSERVER_WARN=y
CONFIG_VSERVER_WARN_DEVPTS=y
# CONFIG_VSERVER_DEBUG is not set
-# CONFIG_VSERVER_EXTRA_MNT_CHECK is not set
CONFIG_QUOTES_ISO8859=y
# CONFIG_QUOTES_UTF8 is not set
# CONFIG_QUOTES_ASCII is not set
@@ -5333,8 +4647,6 @@ CONFIG_CRYPTO_WORKQUEUE=y
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_AUTHENC=m
CONFIG_CRYPTO_TEST=m
-CONFIG_CRYPTO_ABLK_HELPER_X86=m
-CONFIG_CRYPTO_GLUE_HELPER_X86=m
#
# Authenticated Encryption with Associated Data
@@ -5448,8 +4760,6 @@ CONFIG_TCM_VHOST=m
#
CONFIG_RAID6_PQ=m
CONFIG_BITREVERSE=y
-CONFIG_GENERIC_STRNCPY_FROM_USER=y
-CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_FIND_FIRST_BIT=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_IOMAP=y
@@ -5487,8 +4797,6 @@ CONFIG_DECOMPRESS_XZ=y
CONFIG_DECOMPRESS_LZO=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_REED_SOLOMON=m
-CONFIG_REED_SOLOMON_ENC8=y
-CONFIG_REED_SOLOMON_DEC8=y
CONFIG_REED_SOLOMON_DEC16=y
CONFIG_TEXTSEARCH=y
CONFIG_TEXTSEARCH_KMP=m
@@ -5502,8 +4810,6 @@ CONFIG_CHECK_SIGNATURE=y
CONFIG_CPU_RMAP=y
CONFIG_DQL=y
CONFIG_NLATTR=y
-CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
CONFIG_LRU_CACHE=m
CONFIG_AVERAGE=y
CONFIG_CORDIC=m
-CONFIG_DDR=y
diff --git a/main/linux-vserver/kernelconfig.x86.orig b/main/linux-vserver/kernelconfig.x86.orig
new file mode 100644
index 0000000000..a445394ddf
--- /dev/null
+++ b/main/linux-vserver/kernelconfig.x86.orig
@@ -0,0 +1,5509 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# Linux/i386 3.6.10-vs2.3.4.6 Kernel Configuration
+#
+# CONFIG_64BIT is not set
+CONFIG_X86_32=y
+# CONFIG_X86_64 is not set
+CONFIG_X86=y
+CONFIG_INSTRUCTION_DECODER=y
+CONFIG_OUTPUT_FORMAT="elf32-i386"
+CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig"
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_MMU=y
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NEED_SG_DMA_LENGTH=y
+CONFIG_GENERIC_ISA_DMA=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+# CONFIG_RWSEM_GENERIC_SPINLOCK is not set
+CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_HAS_CPU_RELAX=y
+CONFIG_ARCH_HAS_DEFAULT_IDLE=y
+CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
+CONFIG_ARCH_HAS_CPU_AUTOPROBE=y
+CONFIG_HAVE_SETUP_PER_CPU_AREA=y
+CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
+CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_ZONE_DMA32 is not set
+# CONFIG_AUDIT_ARCH is not set
+CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
+CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
+CONFIG_HAVE_INTEL_TXT=y
+CONFIG_X86_32_SMP=y
+CONFIG_X86_HT=y
+CONFIG_X86_32_LAZY_GS=y
+CONFIG_ARCH_HWEIGHT_CFLAGS="-fcall-saved-ecx -fcall-saved-edx"
+CONFIG_ARCH_CPU_PROBE_RELEASE=y
+CONFIG_ARCH_SUPPORTS_UPROBES=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_HAVE_IRQ_WORK=y
+CONFIG_IRQ_WORK=y
+CONFIG_BUILDTIME_EXTABLE_SORT=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_CROSS_COMPILE=""
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_XZ=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_XZ is not set
+# CONFIG_KERNEL_LZO is not set
+CONFIG_DEFAULT_HOSTNAME="(none)"
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+CONFIG_BSD_PROCESS_ACCT=y
+CONFIG_BSD_PROCESS_ACCT_V3=y
+# CONFIG_FHANDLE is not set
+CONFIG_TASKSTATS=y
+CONFIG_TASK_DELAY_ACCT=y
+CONFIG_TASK_XACCT=y
+CONFIG_TASK_IO_ACCOUNTING=y
+# CONFIG_AUDIT is not set
+CONFIG_HAVE_GENERIC_HARDIRQS=y
+
+#
+# IRQ subsystem
+#
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_PENDING_IRQ=y
+CONFIG_GENERIC_IRQ_CHIP=y
+CONFIG_IRQ_DOMAIN=y
+# CONFIG_IRQ_DOMAIN_DEBUG is not set
+CONFIG_IRQ_FORCED_THREADING=y
+CONFIG_SPARSE_IRQ=y
+CONFIG_CLOCKSOURCE_WATCHDOG=y
+CONFIG_KTIME_SCALAR=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
+CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
+CONFIG_GENERIC_CMOS_UPDATE=y
+
+#
+# Timers subsystem
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_PREEMPT_RCU is not set
+CONFIG_RCU_FANOUT=32
+CONFIG_RCU_FANOUT_LEAF=16
+# CONFIG_RCU_FANOUT_EXACT is not set
+CONFIG_RCU_FAST_NO_HZ=y
+# CONFIG_TREE_RCU_TRACE is not set
+CONFIG_IKCONFIG=m
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
+CONFIG_CGROUPS=y
+# CONFIG_CGROUP_DEBUG is not set
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_DEVICE=y
+# CONFIG_CPUSETS is not set
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_RESOURCE_COUNTERS=y
+# CONFIG_MEMCG is not set
+# CONFIG_CGROUP_PERF is not set
+CONFIG_CGROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+CONFIG_CFS_BANDWIDTH=y
+CONFIG_RT_GROUP_SCHED=y
+CONFIG_BLK_CGROUP=y
+# CONFIG_DEBUG_BLK_CGROUP is not set
+# CONFIG_CHECKPOINT_RESTORE is not set
+CONFIG_NAMESPACES=y
+CONFIG_UTS_NS=y
+CONFIG_IPC_NS=y
+CONFIG_PID_NS=y
+CONFIG_NET_NS=y
+CONFIG_SCHED_AUTOGROUP=y
+# CONFIG_SYSFS_DEPRECATED is not set
+# CONFIG_RELAY is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_RD_XZ=y
+CONFIG_RD_LZO=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EXPERT=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_PCSPKR_PLATFORM=y
+CONFIG_HAVE_PCSPKR_PLATFORM=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+CONFIG_EMBEDDED=y
+CONFIG_HAVE_PERF_EVENTS=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_PERF_EVENTS=y
+# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_PCI_QUIRKS=y
+# CONFIG_SLUB_DEBUG is not set
+# CONFIG_COMPAT_BRK is not set
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+CONFIG_OPROFILE=m
+# CONFIG_OPROFILE_EVENT_MULTIPLEX is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_OPROFILE_NMI_TIMER=y
+CONFIG_KPROBES=y
+# CONFIG_JUMP_LABEL is not set
+CONFIG_OPTPROBES=y
+CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
+CONFIG_KRETPROBES=y
+CONFIG_USER_RETURN_NOTIFIER=y
+CONFIG_HAVE_IOREMAP_PROT=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_OPTPROBES=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_HAVE_DMA_ATTRS=y
+CONFIG_HAVE_DMA_CONTIGUOUS=y
+CONFIG_USE_GENERIC_SMP_HELPERS=y
+CONFIG_GENERIC_SMP_IDLE_THREAD=y
+CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+CONFIG_HAVE_HW_BREAKPOINT=y
+CONFIG_HAVE_MIXED_BREAKPOINTS_REGS=y
+CONFIG_HAVE_USER_RETURN_NOTIFIER=y
+CONFIG_HAVE_PERF_EVENTS_NMI=y
+CONFIG_HAVE_ARCH_JUMP_LABEL=y
+CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
+CONFIG_HAVE_ALIGNED_STRUCT_PAGE=y
+CONFIG_HAVE_CMPXCHG_LOCAL=y
+CONFIG_HAVE_CMPXCHG_DOUBLE=y
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+CONFIG_MODVERSIONS=y
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_STOP_MACHINE=y
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+CONFIG_BLK_DEV_BSG=y
+CONFIG_BLK_DEV_BSGLIB=y
+# CONFIG_BLK_DEV_INTEGRITY is not set
+# CONFIG_BLK_DEV_THROTTLING is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_BSD_DISKLABEL is not set
+# CONFIG_MINIX_SUBPARTITION is not set
+# CONFIG_SOLARIS_X86_PARTITION is not set
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+CONFIG_EFI_PARTITION=y
+# CONFIG_SYSV68_PARTITION is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_DEADLINE=m
+CONFIG_IOSCHED_CFQ=y
+CONFIG_CFQ_GROUP_IOSCHED=y
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_PREEMPT_NOTIFIERS=y
+CONFIG_PADATA=y
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+CONFIG_MUTEX_SPIN_ON_OWNER=y
+CONFIG_FREEZER=y
+
+#
+# Processor type and features
+#
+CONFIG_ZONE_DMA=y
+CONFIG_SMP=y
+CONFIG_X86_MPPARSE=y
+CONFIG_X86_BIGSMP=y
+CONFIG_X86_EXTENDED_PLATFORM=y
+CONFIG_X86_WANT_INTEL_MID=y
+# CONFIG_X86_MDFLD is not set
+# CONFIG_X86_RDC321X is not set
+# CONFIG_X86_32_NON_STANDARD is not set
+# CONFIG_X86_32_IRIS is not set
+CONFIG_SCHED_OMIT_FRAME_POINTER=y
+CONFIG_PARAVIRT_GUEST=y
+# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set
+# CONFIG_XEN_PRIVILEGED_GUEST is not set
+CONFIG_KVM_CLOCK=y
+CONFIG_KVM_GUEST=y
+# CONFIG_LGUEST_GUEST is not set
+CONFIG_PARAVIRT=y
+# CONFIG_PARAVIRT_SPINLOCKS is not set
+CONFIG_PARAVIRT_CLOCK=y
+# CONFIG_PARAVIRT_DEBUG is not set
+CONFIG_NO_BOOTMEM=y
+# CONFIG_MEMTEST is not set
+# CONFIG_M386 is not set
+# CONFIG_M486 is not set
+# CONFIG_M586 is not set
+# CONFIG_M586TSC is not set
+# CONFIG_M586MMX is not set
+CONFIG_M686=y
+# CONFIG_MPENTIUMII is not set
+# CONFIG_MPENTIUMIII is not set
+# CONFIG_MPENTIUMM is not set
+# CONFIG_MPENTIUM4 is not set
+# CONFIG_MK6 is not set
+# CONFIG_MK7 is not set
+# CONFIG_MK8 is not set
+# CONFIG_MCRUSOE is not set
+# CONFIG_MEFFICEON is not set
+# CONFIG_MWINCHIPC6 is not set
+# CONFIG_MWINCHIP3D is not set
+# CONFIG_MELAN is not set
+# CONFIG_MGEODEGX1 is not set
+# CONFIG_MGEODE_LX is not set
+# CONFIG_MCYRIXIII is not set
+# CONFIG_MVIAC3_2 is not set
+# CONFIG_MVIAC7 is not set
+# CONFIG_MCORE2 is not set
+# CONFIG_MATOM is not set
+# CONFIG_X86_GENERIC is not set
+CONFIG_X86_INTERNODE_CACHE_SHIFT=5
+CONFIG_X86_CMPXCHG=y
+CONFIG_X86_L1_CACHE_SHIFT=5
+CONFIG_X86_XADD=y
+# CONFIG_X86_PPRO_FENCE is not set
+CONFIG_X86_WP_WORKS_OK=y
+CONFIG_X86_INVLPG=y
+CONFIG_X86_BSWAP=y
+CONFIG_X86_POPAD_OK=y
+CONFIG_X86_USE_PPRO_CHECKSUM=y
+CONFIG_X86_TSC=y
+CONFIG_X86_CMPXCHG64=y
+CONFIG_X86_CMOV=y
+CONFIG_X86_MINIMUM_CPU_FAMILY=5
+CONFIG_X86_DEBUGCTLMSR=y
+# CONFIG_PROCESSOR_SELECT is not set
+CONFIG_CPU_SUP_INTEL=y
+CONFIG_CPU_SUP_CYRIX_32=y
+CONFIG_CPU_SUP_AMD=y
+CONFIG_CPU_SUP_CENTAUR=y
+CONFIG_CPU_SUP_TRANSMETA_32=y
+CONFIG_CPU_SUP_UMC_32=y
+CONFIG_HPET_TIMER=y
+CONFIG_HPET_EMULATE_RTC=y
+CONFIG_DMI=y
+# CONFIG_IOMMU_HELPER is not set
+CONFIG_NR_CPUS=32
+CONFIG_SCHED_SMT=y
+CONFIG_SCHED_MC=y
+CONFIG_IRQ_TIME_ACCOUNTING=y
+# CONFIG_PREEMPT_NONE is not set
+CONFIG_PREEMPT_VOLUNTARY=y
+# CONFIG_PREEMPT is not set
+CONFIG_X86_LOCAL_APIC=y
+CONFIG_X86_IO_APIC=y
+# CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS is not set
+# CONFIG_X86_MCE is not set
+CONFIG_VM86=y
+# CONFIG_TOSHIBA is not set
+CONFIG_I8K=m
+# CONFIG_X86_REBOOTFIXUPS is not set
+CONFIG_MICROCODE=m
+CONFIG_MICROCODE_INTEL=y
+CONFIG_MICROCODE_AMD=y
+CONFIG_MICROCODE_OLD_INTERFACE=y
+CONFIG_X86_MSR=m
+CONFIG_X86_CPUID=m
+# CONFIG_NOHIGHMEM is not set
+CONFIG_HIGHMEM4G=y
+# CONFIG_HIGHMEM64G is not set
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_3G_OPT is not set
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_2G_OPT is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_HIGHMEM=y
+# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set
+# CONFIG_ARCH_DMA_ADDR_T_64BIT is not set
+CONFIG_NEED_NODE_MEMMAP_SIZE=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_ILLEGAL_POINTER_VALUE=0
+CONFIG_SELECT_MEMORY_MODEL=y
+# CONFIG_FLATMEM_MANUAL is not set
+CONFIG_SPARSEMEM_MANUAL=y
+CONFIG_SPARSEMEM=y
+CONFIG_HAVE_MEMORY_PRESENT=y
+CONFIG_SPARSEMEM_STATIC=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
+CONFIG_ARCH_DISCARD_MEMBLOCK=y
+# CONFIG_MEMORY_HOTPLUG is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_COMPACTION=y
+CONFIG_MIGRATION=y
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_MMU_NOTIFIER=y
+CONFIG_KSM=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
+# CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
+CONFIG_CROSS_MEMORY_ATTACH=y
+# CONFIG_CLEANCACHE is not set
+# CONFIG_FRONTSWAP is not set
+# CONFIG_HIGHPTE is not set
+# CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
+CONFIG_X86_RESERVE_LOW=64
+# CONFIG_MATH_EMULATION is not set
+CONFIG_MTRR=y
+CONFIG_MTRR_SANITIZER=y
+CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=0
+CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1
+CONFIG_X86_PAT=y
+CONFIG_ARCH_USES_PG_UNCACHED=y
+CONFIG_ARCH_RANDOM=y
+# CONFIG_EFI is not set
+# CONFIG_SECCOMP is not set
+# CONFIG_CC_STACKPROTECTOR is not set
+# CONFIG_HZ_100 is not set
+# CONFIG_HZ_250 is not set
+CONFIG_HZ_300=y
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=300
+CONFIG_SCHED_HRTICK=y
+# CONFIG_KEXEC is not set
+# CONFIG_CRASH_DUMP is not set
+CONFIG_PHYSICAL_START=0x1000000
+# CONFIG_RELOCATABLE is not set
+CONFIG_PHYSICAL_ALIGN=0x1000000
+CONFIG_HOTPLUG_CPU=y
+# CONFIG_COMPAT_VDSO is not set
+# CONFIG_CMDLINE_BOOL is not set
+CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+
+#
+# Power management and ACPI options
+#
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+# CONFIG_HIBERNATION is not set
+CONFIG_PM_SLEEP=y
+CONFIG_PM_SLEEP_SMP=y
+# CONFIG_PM_AUTOSLEEP is not set
+# CONFIG_PM_WAKELOCKS is not set
+# CONFIG_PM_RUNTIME is not set
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_ACPI=y
+CONFIG_ACPI_SLEEP=y
+CONFIG_ACPI_PROCFS=y
+CONFIG_ACPI_PROCFS_POWER=y
+CONFIG_ACPI_EC_DEBUGFS=y
+CONFIG_ACPI_PROC_EVENT=y
+CONFIG_ACPI_AC=m
+CONFIG_ACPI_BATTERY=m
+CONFIG_ACPI_BUTTON=m
+CONFIG_ACPI_VIDEO=m
+CONFIG_ACPI_FAN=m
+CONFIG_ACPI_DOCK=y
+CONFIG_ACPI_PROCESSOR=m
+CONFIG_ACPI_IPMI=m
+CONFIG_ACPI_HOTPLUG_CPU=y
+# CONFIG_ACPI_PROCESSOR_AGGREGATOR is not set
+CONFIG_ACPI_THERMAL=m
+# CONFIG_ACPI_CUSTOM_DSDT is not set
+CONFIG_ACPI_BLACKLIST_YEAR=0
+# CONFIG_ACPI_DEBUG is not set
+CONFIG_ACPI_PCI_SLOT=m
+CONFIG_X86_PM_TIMER=y
+CONFIG_ACPI_CONTAINER=m
+CONFIG_ACPI_SBS=m
+CONFIG_ACPI_HED=m
+# CONFIG_ACPI_CUSTOM_METHOD is not set
+CONFIG_ACPI_BGRT=m
+CONFIG_ACPI_APEI=y
+# CONFIG_ACPI_APEI_GHES is not set
+CONFIG_ACPI_APEI_EINJ=m
+CONFIG_ACPI_APEI_ERST_DEBUG=y
+# CONFIG_SFI is not set
+# CONFIG_APM is not set
+
+#
+# CPU Frequency scaling
+#
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=m
+CONFIG_CPU_FREQ_STAT=m
+# CONFIG_CPU_FREQ_STAT_DETAILS is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=m
+CONFIG_CPU_FREQ_GOV_USERSPACE=m
+CONFIG_CPU_FREQ_GOV_ONDEMAND=m
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
+
+#
+# x86 CPU frequency scaling drivers
+#
+CONFIG_X86_PCC_CPUFREQ=m
+CONFIG_X86_ACPI_CPUFREQ=m
+# CONFIG_X86_POWERNOW_K6 is not set
+# CONFIG_X86_POWERNOW_K7 is not set
+CONFIG_X86_POWERNOW_K8=m
+# CONFIG_X86_GX_SUSPMOD is not set
+CONFIG_X86_SPEEDSTEP_CENTRINO=m
+CONFIG_X86_SPEEDSTEP_CENTRINO_TABLE=y
+# CONFIG_X86_SPEEDSTEP_ICH is not set
+# CONFIG_X86_SPEEDSTEP_SMI is not set
+CONFIG_X86_P4_CLOCKMOD=m
+# CONFIG_X86_CPUFREQ_NFORCE2 is not set
+# CONFIG_X86_LONGRUN is not set
+# CONFIG_X86_LONGHAUL is not set
+# CONFIG_X86_E_POWERSAVER is not set
+
+#
+# shared options
+#
+CONFIG_X86_SPEEDSTEP_LIB=m
+CONFIG_CPU_IDLE=y
+CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPU_IDLE_GOV_MENU=y
+# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
+CONFIG_INTEL_IDLE=y
+
+#
+# Bus options (PCI etc.)
+#
+CONFIG_PCI=y
+# CONFIG_PCI_GOBIOS is not set
+# CONFIG_PCI_GOMMCONFIG is not set
+# CONFIG_PCI_GODIRECT is not set
+CONFIG_PCI_GOANY=y
+CONFIG_PCI_BIOS=y
+CONFIG_PCI_DIRECT=y
+CONFIG_PCI_MMCONFIG=y
+CONFIG_PCI_DOMAINS=y
+CONFIG_PCI_CNB20LE_QUIRK=y
+CONFIG_PCIEPORTBUS=y
+CONFIG_HOTPLUG_PCI_PCIE=m
+# CONFIG_PCIEAER is not set
+CONFIG_PCIEASPM=y
+# CONFIG_PCIEASPM_DEBUG is not set
+CONFIG_PCIEASPM_DEFAULT=y
+# CONFIG_PCIEASPM_POWERSAVE is not set
+# CONFIG_PCIEASPM_PERFORMANCE is not set
+CONFIG_ARCH_SUPPORTS_MSI=y
+CONFIG_PCI_MSI=y
+# CONFIG_PCI_DEBUG is not set
+# CONFIG_PCI_REALLOC_ENABLE_AUTO is not set
+CONFIG_PCI_STUB=m
+CONFIG_HT_IRQ=y
+CONFIG_PCI_ATS=y
+# CONFIG_PCI_IOV is not set
+CONFIG_PCI_PRI=y
+CONFIG_PCI_PASID=y
+CONFIG_PCI_IOAPIC=y
+CONFIG_PCI_LABEL=y
+CONFIG_ISA_DMA_API=y
+# CONFIG_ISA is not set
+# CONFIG_SCx200 is not set
+# CONFIG_OLPC is not set
+CONFIG_ALIX=y
+# CONFIG_NET5501 is not set
+# CONFIG_GEOS is not set
+CONFIG_AMD_NB=y
+CONFIG_PCCARD=m
+CONFIG_PCMCIA=m
+CONFIG_PCMCIA_LOAD_CIS=y
+CONFIG_CARDBUS=y
+
+#
+# PC-card bridges
+#
+CONFIG_YENTA=m
+CONFIG_YENTA_O2=y
+CONFIG_YENTA_RICOH=y
+CONFIG_YENTA_TI=y
+CONFIG_YENTA_ENE_TUNE=y
+CONFIG_YENTA_TOSHIBA=y
+CONFIG_PD6729=m
+CONFIG_I82092=m
+CONFIG_PCCARD_NONSTATIC=y
+CONFIG_HOTPLUG_PCI=m
+CONFIG_HOTPLUG_PCI_FAKE=m
+# CONFIG_HOTPLUG_PCI_COMPAQ is not set
+# CONFIG_HOTPLUG_PCI_IBM is not set
+CONFIG_HOTPLUG_PCI_ACPI=m
+CONFIG_HOTPLUG_PCI_ACPI_IBM=m
+CONFIG_HOTPLUG_PCI_CPCI=y
+CONFIG_HOTPLUG_PCI_CPCI_ZT5550=m
+CONFIG_HOTPLUG_PCI_CPCI_GENERIC=m
+CONFIG_HOTPLUG_PCI_SHPC=m
+# CONFIG_RAPIDIO is not set
+
+#
+# Executable file formats / Emulations
+#
+CONFIG_BINFMT_ELF=y
+CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+CONFIG_BINFMT_MISC=m
+CONFIG_HAVE_ATOMIC_IOMAP=y
+CONFIG_HAVE_TEXT_POKE_SMP=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=m
+CONFIG_UNIX=y
+CONFIG_UNIX_DIAG=m
+CONFIG_XFRM=y
+CONFIG_XFRM_ALGO=m
+CONFIG_XFRM_USER=m
+CONFIG_XFRM_SUB_POLICY=y
+CONFIG_XFRM_MIGRATE=y
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=m
+CONFIG_NET_KEY=m
+CONFIG_NET_KEY_MIGRATE=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+# CONFIG_IP_FIB_TRIE_STATS is not set
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_IP_ROUTE_MULTIPATH=y
+CONFIG_IP_ROUTE_VERBOSE=y
+CONFIG_IP_ROUTE_CLASSID=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+CONFIG_NET_IPIP=m
+CONFIG_NET_IPGRE_DEMUX=y
+CONFIG_NET_IPGRE=m
+CONFIG_NET_IPGRE_BROADCAST=y
+CONFIG_IP_MROUTE=y
+CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
+# CONFIG_IP_PIMSM_V1 is not set
+CONFIG_IP_PIMSM_V2=y
+CONFIG_ARPD=y
+CONFIG_SYN_COOKIES=y
+CONFIG_NET_IPVTI=m
+CONFIG_INET_AH=m
+CONFIG_INET_ESP=m
+CONFIG_INET_IPCOMP=m
+CONFIG_INET_XFRM_TUNNEL=m
+CONFIG_INET_TUNNEL=m
+CONFIG_INET_XFRM_MODE_TRANSPORT=m
+CONFIG_INET_XFRM_MODE_TUNNEL=m
+CONFIG_INET_XFRM_MODE_BEET=m
+CONFIG_INET_LRO=y
+CONFIG_INET_DIAG=m
+CONFIG_INET_TCP_DIAG=m
+CONFIG_INET_UDP_DIAG=m
+CONFIG_TCP_CONG_ADVANCED=y
+CONFIG_TCP_CONG_BIC=m
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_TCP_CONG_WESTWOOD=m
+CONFIG_TCP_CONG_HTCP=m
+CONFIG_TCP_CONG_HSTCP=m
+CONFIG_TCP_CONG_HYBLA=m
+CONFIG_TCP_CONG_VEGAS=m
+CONFIG_TCP_CONG_SCALABLE=m
+CONFIG_TCP_CONG_LP=m
+CONFIG_TCP_CONG_VENO=m
+CONFIG_TCP_CONG_YEAH=m
+CONFIG_TCP_CONG_ILLINOIS=m
+CONFIG_DEFAULT_CUBIC=y
+# CONFIG_DEFAULT_RENO is not set
+CONFIG_DEFAULT_TCP_CONG="cubic"
+CONFIG_TCP_MD5SIG=y
+CONFIG_IPV6=y
+CONFIG_IPV6_PRIVACY=y
+CONFIG_IPV6_ROUTER_PREF=y
+CONFIG_IPV6_ROUTE_INFO=y
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+CONFIG_INET6_AH=m
+CONFIG_INET6_ESP=m
+CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_MIP6=m
+CONFIG_INET6_XFRM_TUNNEL=m
+CONFIG_INET6_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
+CONFIG_IPV6_SIT=m
+CONFIG_IPV6_SIT_6RD=y
+CONFIG_IPV6_NDISC_NODETYPE=y
+CONFIG_IPV6_TUNNEL=m
+CONFIG_IPV6_MULTIPLE_TABLES=y
+CONFIG_IPV6_SUBTREES=y
+CONFIG_IPV6_MROUTE=y
+CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y
+CONFIG_IPV6_PIMSM_V2=y
+# CONFIG_NETLABEL is not set
+CONFIG_NETWORK_SECMARK=y
+CONFIG_NETWORK_PHY_TIMESTAMPING=y
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+CONFIG_NETFILTER_ADVANCED=y
+CONFIG_BRIDGE_NETFILTER=y
+
+#
+# Core Netfilter Configuration
+#
+CONFIG_NETFILTER_NETLINK=m
+CONFIG_NETFILTER_NETLINK_ACCT=m
+CONFIG_NETFILTER_NETLINK_QUEUE=m
+CONFIG_NETFILTER_NETLINK_LOG=m
+CONFIG_NF_CONNTRACK=m
+CONFIG_NF_CONNTRACK_MARK=y
+CONFIG_NF_CONNTRACK_SECMARK=y
+CONFIG_NF_CONNTRACK_ZONES=y
+CONFIG_NF_CONNTRACK_PROCFS=y
+CONFIG_NF_CONNTRACK_EVENTS=y
+CONFIG_NF_CONNTRACK_TIMEOUT=y
+CONFIG_NF_CONNTRACK_TIMESTAMP=y
+CONFIG_NF_CT_PROTO_DCCP=m
+CONFIG_NF_CT_PROTO_GRE=m
+CONFIG_NF_CT_PROTO_SCTP=m
+CONFIG_NF_CT_PROTO_UDPLITE=m
+CONFIG_NF_CONNTRACK_AMANDA=m
+CONFIG_NF_CONNTRACK_FTP=m
+CONFIG_NF_CONNTRACK_H323=m
+CONFIG_NF_CONNTRACK_IRC=m
+CONFIG_NF_CONNTRACK_BROADCAST=m
+CONFIG_NF_CONNTRACK_NETBIOS_NS=m
+CONFIG_NF_CONNTRACK_SNMP=m
+CONFIG_NF_CONNTRACK_PPTP=m
+CONFIG_NF_CONNTRACK_SANE=m
+CONFIG_NF_CONNTRACK_SIP=m
+CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_CT_NETLINK=m
+CONFIG_NF_CT_NETLINK_TIMEOUT=m
+# CONFIG_NETFILTER_NETLINK_QUEUE_CT is not set
+CONFIG_NETFILTER_TPROXY=m
+CONFIG_NETFILTER_XTABLES=m
+
+#
+# Xtables combined modules
+#
+CONFIG_NETFILTER_XT_MARK=m
+CONFIG_NETFILTER_XT_CONNMARK=m
+CONFIG_NETFILTER_XT_SET=m
+
+#
+# Xtables targets
+#
+CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
+CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
+CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=m
+CONFIG_NETFILTER_XT_TARGET_CT=m
+CONFIG_NETFILTER_XT_TARGET_DSCP=m
+CONFIG_NETFILTER_XT_TARGET_HL=m
+CONFIG_NETFILTER_XT_TARGET_HMARK=m
+CONFIG_NETFILTER_XT_TARGET_IDLETIMER=m
+CONFIG_NETFILTER_XT_TARGET_LED=m
+CONFIG_NETFILTER_XT_TARGET_LOG=m
+CONFIG_NETFILTER_XT_TARGET_MARK=m
+CONFIG_NETFILTER_XT_TARGET_NFLOG=m
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
+CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
+CONFIG_NETFILTER_XT_TARGET_RATEEST=m
+CONFIG_NETFILTER_XT_TARGET_TEE=m
+CONFIG_NETFILTER_XT_TARGET_TPROXY=m
+CONFIG_NETFILTER_XT_TARGET_TRACE=m
+CONFIG_NETFILTER_XT_TARGET_SECMARK=m
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
+CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
+
+#
+# Xtables matches
+#
+CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=m
+CONFIG_NETFILTER_XT_MATCH_CLUSTER=m
+CONFIG_NETFILTER_XT_MATCH_COMMENT=m
+CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
+CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=m
+CONFIG_NETFILTER_XT_MATCH_CONNMARK=m
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
+CONFIG_NETFILTER_XT_MATCH_CPU=m
+CONFIG_NETFILTER_XT_MATCH_DCCP=m
+CONFIG_NETFILTER_XT_MATCH_DEVGROUP=m
+CONFIG_NETFILTER_XT_MATCH_DSCP=m
+CONFIG_NETFILTER_XT_MATCH_ECN=m
+CONFIG_NETFILTER_XT_MATCH_ESP=m
+CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
+CONFIG_NETFILTER_XT_MATCH_HELPER=m
+CONFIG_NETFILTER_XT_MATCH_HL=m
+CONFIG_NETFILTER_XT_MATCH_IPRANGE=m
+CONFIG_NETFILTER_XT_MATCH_IPVS=m
+CONFIG_NETFILTER_XT_MATCH_LENGTH=m
+CONFIG_NETFILTER_XT_MATCH_LIMIT=m
+CONFIG_NETFILTER_XT_MATCH_MAC=m
+CONFIG_NETFILTER_XT_MATCH_MARK=m
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
+CONFIG_NETFILTER_XT_MATCH_NFACCT=m
+CONFIG_NETFILTER_XT_MATCH_OSF=m
+CONFIG_NETFILTER_XT_MATCH_OWNER=m
+CONFIG_NETFILTER_XT_MATCH_POLICY=m
+CONFIG_NETFILTER_XT_MATCH_PHYSDEV=m
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
+CONFIG_NETFILTER_XT_MATCH_QUOTA=m
+CONFIG_NETFILTER_XT_MATCH_RATEEST=m
+CONFIG_NETFILTER_XT_MATCH_REALM=m
+CONFIG_NETFILTER_XT_MATCH_RECENT=m
+CONFIG_NETFILTER_XT_MATCH_SCTP=m
+CONFIG_NETFILTER_XT_MATCH_SOCKET=m
+CONFIG_NETFILTER_XT_MATCH_STATE=m
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
+CONFIG_NETFILTER_XT_MATCH_STRING=m
+CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
+CONFIG_NETFILTER_XT_MATCH_TIME=m
+CONFIG_NETFILTER_XT_MATCH_U32=m
+CONFIG_IP_SET=m
+CONFIG_IP_SET_MAX=256
+CONFIG_IP_SET_BITMAP_IP=m
+CONFIG_IP_SET_BITMAP_IPMAC=m
+CONFIG_IP_SET_BITMAP_PORT=m
+CONFIG_IP_SET_HASH_IP=m
+CONFIG_IP_SET_HASH_IPPORT=m
+CONFIG_IP_SET_HASH_IPPORTIP=m
+CONFIG_IP_SET_HASH_IPPORTNET=m
+CONFIG_IP_SET_HASH_NET=m
+CONFIG_IP_SET_HASH_NETPORT=m
+CONFIG_IP_SET_HASH_NETIFACE=m
+CONFIG_IP_SET_LIST_SET=m
+CONFIG_IP_VS=m
+CONFIG_IP_VS_IPV6=y
+# CONFIG_IP_VS_DEBUG is not set
+CONFIG_IP_VS_TAB_BITS=12
+
+#
+# IPVS transport protocol load balancing support
+#
+CONFIG_IP_VS_PROTO_TCP=y
+CONFIG_IP_VS_PROTO_UDP=y
+CONFIG_IP_VS_PROTO_AH_ESP=y
+CONFIG_IP_VS_PROTO_ESP=y
+CONFIG_IP_VS_PROTO_AH=y
+CONFIG_IP_VS_PROTO_SCTP=y
+
+#
+# IPVS scheduler
+#
+CONFIG_IP_VS_RR=m
+CONFIG_IP_VS_WRR=m
+CONFIG_IP_VS_LC=m
+CONFIG_IP_VS_WLC=m
+CONFIG_IP_VS_LBLC=m
+CONFIG_IP_VS_LBLCR=m
+CONFIG_IP_VS_DH=m
+CONFIG_IP_VS_SH=m
+CONFIG_IP_VS_SED=m
+CONFIG_IP_VS_NQ=m
+
+#
+# IPVS SH scheduler
+#
+CONFIG_IP_VS_SH_TAB_BITS=8
+
+#
+# IPVS application helper
+#
+CONFIG_IP_VS_FTP=m
+CONFIG_IP_VS_NFCT=y
+CONFIG_IP_VS_PE_SIP=m
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_NF_DEFRAG_IPV4=m
+CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_CONNTRACK_PROC_COMPAT=y
+CONFIG_IP_NF_QUEUE=m
+CONFIG_IP_NF_IPTABLES=m
+CONFIG_IP_NF_MATCH_AH=m
+CONFIG_IP_NF_MATCH_ECN=m
+CONFIG_IP_NF_MATCH_RPFILTER=m
+CONFIG_IP_NF_MATCH_TTL=m
+CONFIG_IP_NF_FILTER=m
+CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_ULOG=m
+CONFIG_NF_NAT=m
+CONFIG_NF_NAT_NEEDED=y
+CONFIG_IP_NF_TARGET_MASQUERADE=m
+CONFIG_IP_NF_TARGET_NETMAP=m
+CONFIG_IP_NF_TARGET_REDIRECT=m
+CONFIG_NF_NAT_SNMP_BASIC=m
+CONFIG_NF_NAT_PROTO_DCCP=m
+CONFIG_NF_NAT_PROTO_GRE=m
+CONFIG_NF_NAT_PROTO_UDPLITE=m
+CONFIG_NF_NAT_PROTO_SCTP=m
+CONFIG_NF_NAT_FTP=m
+CONFIG_NF_NAT_IRC=m
+CONFIG_NF_NAT_TFTP=m
+CONFIG_NF_NAT_AMANDA=m
+CONFIG_NF_NAT_PPTP=m
+CONFIG_NF_NAT_H323=m
+CONFIG_NF_NAT_SIP=m
+CONFIG_IP_NF_MANGLE=m
+CONFIG_IP_NF_TARGET_CLUSTERIP=m
+CONFIG_IP_NF_TARGET_ECN=m
+CONFIG_IP_NF_TARGET_TTL=m
+CONFIG_IP_NF_RAW=m
+CONFIG_IP_NF_SECURITY=m
+CONFIG_IP_NF_ARPTABLES=m
+CONFIG_IP_NF_ARPFILTER=m
+CONFIG_IP_NF_ARP_MANGLE=m
+
+#
+# IPv6: Netfilter Configuration
+#
+CONFIG_NF_DEFRAG_IPV6=m
+CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_IP6_NF_IPTABLES=m
+CONFIG_IP6_NF_MATCH_AH=m
+CONFIG_IP6_NF_MATCH_EUI64=m
+CONFIG_IP6_NF_MATCH_FRAG=m
+CONFIG_IP6_NF_MATCH_OPTS=m
+CONFIG_IP6_NF_MATCH_HL=m
+CONFIG_IP6_NF_MATCH_IPV6HEADER=m
+CONFIG_IP6_NF_MATCH_MH=m
+CONFIG_IP6_NF_MATCH_RPFILTER=m
+CONFIG_IP6_NF_MATCH_RT=m
+CONFIG_IP6_NF_TARGET_HL=m
+CONFIG_IP6_NF_FILTER=m
+CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_MANGLE=m
+CONFIG_IP6_NF_RAW=m
+CONFIG_IP6_NF_SECURITY=m
+
+#
+# DECnet: Netfilter Configuration
+#
+CONFIG_DECNET_NF_GRABULATOR=m
+CONFIG_BRIDGE_NF_EBTABLES=m
+CONFIG_BRIDGE_EBT_BROUTE=m
+CONFIG_BRIDGE_EBT_T_FILTER=m
+CONFIG_BRIDGE_EBT_T_NAT=m
+CONFIG_BRIDGE_EBT_802_3=m
+CONFIG_BRIDGE_EBT_AMONG=m
+CONFIG_BRIDGE_EBT_ARP=m
+CONFIG_BRIDGE_EBT_IP=m
+CONFIG_BRIDGE_EBT_IP6=m
+CONFIG_BRIDGE_EBT_LIMIT=m
+CONFIG_BRIDGE_EBT_MARK=m
+CONFIG_BRIDGE_EBT_PKTTYPE=m
+CONFIG_BRIDGE_EBT_STP=m
+CONFIG_BRIDGE_EBT_VLAN=m
+CONFIG_BRIDGE_EBT_ARPREPLY=m
+CONFIG_BRIDGE_EBT_DNAT=m
+CONFIG_BRIDGE_EBT_MARK_T=m
+CONFIG_BRIDGE_EBT_REDIRECT=m
+CONFIG_BRIDGE_EBT_SNAT=m
+CONFIG_BRIDGE_EBT_LOG=m
+CONFIG_BRIDGE_EBT_ULOG=m
+CONFIG_BRIDGE_EBT_NFLOG=m
+CONFIG_IP_DCCP=m
+CONFIG_INET_DCCP_DIAG=m
+
+#
+# DCCP CCIDs Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP_CCID2_DEBUG is not set
+CONFIG_IP_DCCP_CCID3=y
+# CONFIG_IP_DCCP_CCID3_DEBUG is not set
+CONFIG_IP_DCCP_TFRC_LIB=y
+
+#
+# DCCP Kernel Hacking
+#
+# CONFIG_IP_DCCP_DEBUG is not set
+# CONFIG_NET_DCCPPROBE is not set
+CONFIG_IP_SCTP=m
+CONFIG_NET_SCTPPROBE=m
+# CONFIG_SCTP_DBG_MSG is not set
+# CONFIG_SCTP_DBG_OBJCNT is not set
+# CONFIG_SCTP_HMAC_NONE is not set
+CONFIG_SCTP_HMAC_SHA1=y
+# CONFIG_SCTP_HMAC_MD5 is not set
+CONFIG_RDS=m
+# CONFIG_RDS_RDMA is not set
+# CONFIG_RDS_TCP is not set
+# CONFIG_RDS_DEBUG is not set
+CONFIG_TIPC=m
+# CONFIG_TIPC_ADVANCED is not set
+CONFIG_ATM=m
+CONFIG_ATM_CLIP=m
+# CONFIG_ATM_CLIP_NO_ICMP is not set
+CONFIG_ATM_LANE=m
+CONFIG_ATM_MPOA=m
+CONFIG_ATM_BR2684=m
+# CONFIG_ATM_BR2684_IPFILTER is not set
+CONFIG_L2TP=m
+CONFIG_L2TP_DEBUGFS=m
+CONFIG_L2TP_V3=y
+CONFIG_L2TP_IP=m
+CONFIG_L2TP_ETH=m
+CONFIG_STP=m
+CONFIG_BRIDGE=m
+CONFIG_BRIDGE_IGMP_SNOOPING=y
+# CONFIG_NET_DSA is not set
+CONFIG_VLAN_8021Q=m
+# CONFIG_VLAN_8021Q_GVRP is not set
+CONFIG_DECNET=m
+CONFIG_DECNET_ROUTER=y
+CONFIG_LLC=m
+CONFIG_LLC2=m
+CONFIG_IPX=m
+# CONFIG_IPX_INTERN is not set
+CONFIG_ATALK=m
+CONFIG_DEV_APPLETALK=m
+CONFIG_IPDDP=m
+CONFIG_IPDDP_ENCAP=y
+CONFIG_IPDDP_DECAP=y
+CONFIG_X25=m
+CONFIG_LAPB=m
+CONFIG_WAN_ROUTER=m
+CONFIG_PHONET=m
+CONFIG_IEEE802154=m
+CONFIG_IEEE802154_6LOWPAN=m
+CONFIG_MAC802154=m
+CONFIG_NET_SCHED=y
+
+#
+# Queueing/Scheduling
+#
+CONFIG_NET_SCH_CBQ=m
+CONFIG_NET_SCH_HTB=m
+CONFIG_NET_SCH_HFSC=m
+CONFIG_NET_SCH_ATM=m
+CONFIG_NET_SCH_PRIO=m
+CONFIG_NET_SCH_MULTIQ=m
+CONFIG_NET_SCH_RED=m
+CONFIG_NET_SCH_SFB=m
+CONFIG_NET_SCH_SFQ=m
+CONFIG_NET_SCH_TEQL=m
+CONFIG_NET_SCH_TBF=m
+CONFIG_NET_SCH_GRED=m
+CONFIG_NET_SCH_DSMARK=m
+CONFIG_NET_SCH_NETEM=m
+CONFIG_NET_SCH_DRR=m
+CONFIG_NET_SCH_MQPRIO=m
+CONFIG_NET_SCH_CHOKE=m
+CONFIG_NET_SCH_QFQ=m
+CONFIG_NET_SCH_CODEL=m
+CONFIG_NET_SCH_FQ_CODEL=m
+CONFIG_NET_SCH_INGRESS=m
+CONFIG_NET_SCH_PLUG=m
+
+#
+# Classification
+#
+CONFIG_NET_CLS=y
+CONFIG_NET_CLS_BASIC=m
+CONFIG_NET_CLS_TCINDEX=m
+CONFIG_NET_CLS_ROUTE4=m
+CONFIG_NET_CLS_FW=m
+CONFIG_NET_CLS_U32=m
+CONFIG_CLS_U32_PERF=y
+CONFIG_CLS_U32_MARK=y
+CONFIG_NET_CLS_RSVP=m
+CONFIG_NET_CLS_RSVP6=m
+CONFIG_NET_CLS_FLOW=m
+# CONFIG_NET_CLS_CGROUP is not set
+CONFIG_NET_EMATCH=y
+CONFIG_NET_EMATCH_STACK=32
+CONFIG_NET_EMATCH_CMP=m
+CONFIG_NET_EMATCH_NBYTE=m
+CONFIG_NET_EMATCH_U32=m
+CONFIG_NET_EMATCH_META=m
+CONFIG_NET_EMATCH_TEXT=m
+CONFIG_NET_EMATCH_IPSET=m
+CONFIG_NET_CLS_ACT=y
+CONFIG_NET_ACT_POLICE=m
+CONFIG_NET_ACT_GACT=m
+CONFIG_GACT_PROB=y
+CONFIG_NET_ACT_MIRRED=m
+CONFIG_NET_ACT_IPT=m
+CONFIG_NET_ACT_NAT=m
+CONFIG_NET_ACT_PEDIT=m
+CONFIG_NET_ACT_SIMP=m
+CONFIG_NET_ACT_SKBEDIT=m
+CONFIG_NET_ACT_CSUM=m
+# CONFIG_NET_CLS_IND is not set
+CONFIG_NET_SCH_FIFO=y
+# CONFIG_DCB is not set
+CONFIG_DNS_RESOLVER=y
+# CONFIG_BATMAN_ADV is not set
+CONFIG_OPENVSWITCH=m
+CONFIG_RPS=y
+CONFIG_RFS_ACCEL=y
+CONFIG_XPS=y
+CONFIG_NETPRIO_CGROUP=m
+CONFIG_BQL=y
+
+#
+# Network testing
+#
+CONFIG_NET_PKTGEN=m
+CONFIG_NET_TCPPROBE=m
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+CONFIG_IRDA=m
+
+#
+# IrDA protocols
+#
+CONFIG_IRLAN=m
+CONFIG_IRNET=m
+CONFIG_IRCOMM=m
+CONFIG_IRDA_ULTRA=y
+
+#
+# IrDA options
+#
+CONFIG_IRDA_CACHE_LAST_LSAP=y
+CONFIG_IRDA_FAST_RR=y
+# CONFIG_IRDA_DEBUG is not set
+
+#
+# Infrared-port device drivers
+#
+
+#
+# SIR device drivers
+#
+CONFIG_IRTTY_SIR=m
+
+#
+# Dongle support
+#
+CONFIG_DONGLE=y
+CONFIG_ESI_DONGLE=m
+CONFIG_ACTISYS_DONGLE=m
+CONFIG_TEKRAM_DONGLE=m
+CONFIG_TOIM3232_DONGLE=m
+CONFIG_LITELINK_DONGLE=m
+CONFIG_MA600_DONGLE=m
+CONFIG_GIRBIL_DONGLE=m
+CONFIG_MCP2120_DONGLE=m
+CONFIG_OLD_BELKIN_DONGLE=m
+CONFIG_ACT200L_DONGLE=m
+CONFIG_KINGSUN_DONGLE=m
+CONFIG_KSDAZZLE_DONGLE=m
+CONFIG_KS959_DONGLE=m
+
+#
+# FIR device drivers
+#
+CONFIG_USB_IRDA=m
+CONFIG_SIGMATEL_FIR=m
+CONFIG_NSC_FIR=m
+CONFIG_WINBOND_FIR=m
+# CONFIG_TOSHIBA_FIR is not set
+CONFIG_SMC_IRCC_FIR=m
+CONFIG_ALI_FIR=m
+CONFIG_VLSI_FIR=m
+CONFIG_VIA_FIR=m
+CONFIG_MCS_FIR=m
+CONFIG_BT=m
+CONFIG_BT_RFCOMM=m
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_BNEP=m
+CONFIG_BT_BNEP_MC_FILTER=y
+CONFIG_BT_BNEP_PROTO_FILTER=y
+CONFIG_BT_CMTP=m
+CONFIG_BT_HIDP=m
+
+#
+# Bluetooth device drivers
+#
+CONFIG_BT_HCIBTUSB=m
+CONFIG_BT_HCIBTSDIO=m
+CONFIG_BT_HCIUART=m
+CONFIG_BT_HCIUART_H4=y
+CONFIG_BT_HCIUART_BCSP=y
+CONFIG_BT_HCIUART_ATH3K=y
+CONFIG_BT_HCIUART_LL=y
+# CONFIG_BT_HCIUART_3WIRE is not set
+CONFIG_BT_HCIBCM203X=m
+CONFIG_BT_HCIBPA10X=m
+CONFIG_BT_HCIBFUSB=m
+CONFIG_BT_HCIDTL1=m
+CONFIG_BT_HCIBT3C=m
+CONFIG_BT_HCIBLUECARD=m
+CONFIG_BT_HCIBTUART=m
+CONFIG_BT_HCIVHCI=m
+CONFIG_BT_MRVL=m
+CONFIG_BT_MRVL_SDIO=m
+CONFIG_BT_ATH3K=m
+CONFIG_BT_WILINK=m
+CONFIG_AF_RXRPC=m
+# CONFIG_AF_RXRPC_DEBUG is not set
+CONFIG_RXKAD=m
+CONFIG_FIB_RULES=y
+CONFIG_WIRELESS=y
+CONFIG_WIRELESS_EXT=y
+CONFIG_WEXT_CORE=y
+CONFIG_WEXT_PROC=y
+CONFIG_WEXT_SPY=y
+CONFIG_WEXT_PRIV=y
+CONFIG_CFG80211=m
+# CONFIG_NL80211_TESTMODE is not set
+# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
+# CONFIG_CFG80211_REG_DEBUG is not set
+# CONFIG_CFG80211_CERTIFICATION_ONUS is not set
+CONFIG_CFG80211_DEFAULT_PS=y
+# CONFIG_CFG80211_DEBUGFS is not set
+# CONFIG_CFG80211_INTERNAL_REGDB is not set
+CONFIG_CFG80211_WEXT=y
+CONFIG_LIB80211=m
+CONFIG_LIB80211_CRYPT_WEP=m
+CONFIG_LIB80211_CRYPT_CCMP=m
+CONFIG_LIB80211_CRYPT_TKIP=m
+# CONFIG_LIB80211_DEBUG is not set
+CONFIG_MAC80211=m
+CONFIG_MAC80211_HAS_RC=y
+CONFIG_MAC80211_RC_PID=y
+CONFIG_MAC80211_RC_MINSTREL=y
+CONFIG_MAC80211_RC_MINSTREL_HT=y
+CONFIG_MAC80211_RC_DEFAULT_PID=y
+# CONFIG_MAC80211_RC_DEFAULT_MINSTREL is not set
+CONFIG_MAC80211_RC_DEFAULT="pid"
+# CONFIG_MAC80211_MESH is not set
+CONFIG_MAC80211_LEDS=y
+# CONFIG_MAC80211_DEBUGFS is not set
+# CONFIG_MAC80211_MESSAGE_TRACING is not set
+# CONFIG_MAC80211_DEBUG_MENU is not set
+CONFIG_WIMAX=m
+CONFIG_WIMAX_DEBUG_LEVEL=8
+CONFIG_RFKILL=m
+CONFIG_RFKILL_LEDS=y
+# CONFIG_RFKILL_INPUT is not set
+CONFIG_NET_9P=m
+CONFIG_NET_9P_VIRTIO=m
+CONFIG_NET_9P_RDMA=m
+# CONFIG_NET_9P_DEBUG is not set
+# CONFIG_CAIF is not set
+CONFIG_CEPH_LIB=m
+# CONFIG_CEPH_LIB_PRETTYDEBUG is not set
+# CONFIG_CEPH_LIB_USE_DNS_RESOLVER is not set
+# CONFIG_NFC is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_STANDALONE=y
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+CONFIG_FW_LOADER=m
+# CONFIG_FIRMWARE_IN_KERNEL is not set
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+CONFIG_DEBUG_DEVRES=y
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_GENERIC_CPU_DEVICES is not set
+CONFIG_REGMAP=y
+CONFIG_REGMAP_I2C=m
+CONFIG_REGMAP_SPI=m
+CONFIG_DMA_SHARED_BUFFER=y
+# CONFIG_CMA is not set
+CONFIG_CONNECTOR=m
+CONFIG_MTD=m
+CONFIG_MTD_TESTS=m
+CONFIG_MTD_REDBOOT_PARTS=m
+CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
+# CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED is not set
+# CONFIG_MTD_REDBOOT_PARTS_READONLY is not set
+CONFIG_MTD_AR7_PARTS=m
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=m
+CONFIG_HAVE_MTD_OTP=y
+CONFIG_MTD_BLKDEVS=m
+CONFIG_MTD_BLOCK=m
+CONFIG_MTD_BLOCK_RO=m
+CONFIG_FTL=m
+CONFIG_NFTL=m
+CONFIG_NFTL_RW=y
+CONFIG_INFTL=m
+CONFIG_RFD_FTL=m
+CONFIG_SSFDC=m
+CONFIG_SM_FTL=m
+CONFIG_MTD_OOPS=m
+CONFIG_MTD_SWAP=m
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=m
+CONFIG_MTD_JEDECPROBE=m
+CONFIG_MTD_GEN_PROBE=m
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CFI_INTELEXT=m
+CONFIG_MTD_CFI_AMDSTD=m
+CONFIG_MTD_CFI_STAA=m
+CONFIG_MTD_CFI_UTIL=m
+CONFIG_MTD_RAM=m
+CONFIG_MTD_ROM=m
+CONFIG_MTD_ABSENT=m
+
+#
+# Mapping drivers for chip access
+#
+CONFIG_MTD_COMPLEX_MAPPINGS=y
+CONFIG_MTD_PHYSMAP=m
+# CONFIG_MTD_PHYSMAP_COMPAT is not set
+CONFIG_MTD_SC520CDP=m
+CONFIG_MTD_NETSC520=m
+CONFIG_MTD_TS5500=m
+CONFIG_MTD_SBC_GXX=m
+CONFIG_MTD_AMD76XROM=m
+CONFIG_MTD_ICHXROM=m
+CONFIG_MTD_ESB2ROM=m
+CONFIG_MTD_CK804XROM=m
+CONFIG_MTD_SCB2_FLASH=m
+CONFIG_MTD_NETtel=m
+CONFIG_MTD_L440GX=m
+CONFIG_MTD_PCI=m
+CONFIG_MTD_PCMCIA=m
+# CONFIG_MTD_PCMCIA_ANONYMOUS is not set
+# CONFIG_MTD_GPIO_ADDR is not set
+CONFIG_MTD_INTEL_VR_NOR=m
+CONFIG_MTD_PLATRAM=m
+# CONFIG_MTD_LATCH_ADDR is not set
+
+#
+# Self-contained MTD device drivers
+#
+CONFIG_MTD_PMC551=m
+CONFIG_MTD_PMC551_BUGFIX=y
+# CONFIG_MTD_PMC551_DEBUG is not set
+CONFIG_MTD_DATAFLASH=m
+# CONFIG_MTD_DATAFLASH_WRITE_VERIFY is not set
+# CONFIG_MTD_DATAFLASH_OTP is not set
+CONFIG_MTD_M25P80=m
+CONFIG_M25PXX_USE_FAST_READ=y
+# CONFIG_MTD_SST25L is not set
+CONFIG_MTD_SLRAM=m
+CONFIG_MTD_PHRAM=m
+CONFIG_MTD_MTDRAM=m
+CONFIG_MTDRAM_TOTAL_SIZE=4096
+CONFIG_MTDRAM_ERASE_SIZE=128
+CONFIG_MTD_BLOCK2MTD=m
+
+#
+# Disk-On-Chip Device Drivers
+#
+CONFIG_MTD_DOC2000=m
+CONFIG_MTD_DOC2001=m
+CONFIG_MTD_DOC2001PLUS=m
+# CONFIG_MTD_DOCG3 is not set
+CONFIG_MTD_DOCPROBE=m
+CONFIG_MTD_DOCECC=m
+CONFIG_MTD_DOCPROBE_ADVANCED=y
+CONFIG_MTD_DOCPROBE_ADDRESS=0x0000
+# CONFIG_MTD_DOCPROBE_HIGH is not set
+# CONFIG_MTD_DOCPROBE_55AA is not set
+CONFIG_MTD_NAND_ECC=m
+CONFIG_MTD_NAND_ECC_SMC=y
+CONFIG_MTD_NAND=m
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_BCH is not set
+CONFIG_MTD_SM_COMMON=m
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_DENALI=m
+CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR=0xFF108018
+CONFIG_MTD_NAND_IDS=m
+CONFIG_MTD_NAND_RICOH=m
+CONFIG_MTD_NAND_DISKONCHIP=m
+# CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADVANCED is not set
+CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS=0
+# CONFIG_MTD_NAND_DISKONCHIP_BBTWRITE is not set
+# CONFIG_MTD_NAND_DOCG4 is not set
+CONFIG_MTD_NAND_CAFE=m
+# CONFIG_MTD_NAND_CS553X is not set
+CONFIG_MTD_NAND_NANDSIM=m
+CONFIG_MTD_NAND_PLATFORM=m
+CONFIG_MTD_ALAUDA=m
+CONFIG_MTD_ONENAND=m
+# CONFIG_MTD_ONENAND_VERIFY_WRITE is not set
+# CONFIG_MTD_ONENAND_GENERIC is not set
+CONFIG_MTD_ONENAND_OTP=y
+CONFIG_MTD_ONENAND_2X_PROGRAM=y
+CONFIG_MTD_ONENAND_SIM=m
+
+#
+# LPDDR flash memory drivers
+#
+CONFIG_MTD_LPDDR=m
+CONFIG_MTD_QINFO_PROBE=m
+CONFIG_MTD_UBI=m
+CONFIG_MTD_UBI_WL_THRESHOLD=4096
+CONFIG_MTD_UBI_BEB_RESERVE=1
+# CONFIG_MTD_UBI_GLUEBI is not set
+CONFIG_PARPORT=m
+CONFIG_PARPORT_PC=m
+CONFIG_PARPORT_SERIAL=m
+# CONFIG_PARPORT_PC_FIFO is not set
+# CONFIG_PARPORT_PC_SUPERIO is not set
+CONFIG_PARPORT_PC_PCMCIA=m
+# CONFIG_PARPORT_GSC is not set
+CONFIG_PARPORT_AX88796=m
+# CONFIG_PARPORT_1284 is not set
+CONFIG_PARPORT_NOT_PC=y
+CONFIG_PNP=y
+# CONFIG_PNP_DEBUG_MESSAGES is not set
+
+#
+# Protocols
+#
+CONFIG_PNPACPI=y
+CONFIG_BLK_DEV=y
+CONFIG_BLK_DEV_FD=m
+# CONFIG_PARIDE is not set
+CONFIG_BLK_DEV_PCIESSD_MTIP32XX=m
+CONFIG_BLK_CPQ_DA=m
+CONFIG_BLK_CPQ_CISS_DA=m
+CONFIG_CISS_SCSI_TAPE=y
+CONFIG_BLK_DEV_DAC960=m
+CONFIG_BLK_DEV_UMEM=m
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=m
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=8
+CONFIG_BLK_DEV_CRYPTOLOOP=m
+CONFIG_BLK_DEV_DRBD=m
+# CONFIG_DRBD_FAULT_INJECTION is not set
+CONFIG_BLK_DEV_VROOT=m
+CONFIG_BLK_DEV_NBD=m
+CONFIG_BLK_DEV_NVME=m
+CONFIG_BLK_DEV_OSD=m
+CONFIG_BLK_DEV_SX8=m
+CONFIG_BLK_DEV_UB=m
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+CONFIG_CDROM_PKTCDVD=m
+CONFIG_CDROM_PKTCDVD_BUFFERS=8
+# CONFIG_CDROM_PKTCDVD_WCACHE is not set
+CONFIG_ATA_OVER_ETH=m
+CONFIG_VIRTIO_BLK=m
+# CONFIG_BLK_DEV_HD is not set
+# CONFIG_BLK_DEV_RBD is not set
+
+#
+# Misc devices
+#
+CONFIG_SENSORS_LIS3LV02D=m
+CONFIG_AD525X_DPOT=m
+CONFIG_AD525X_DPOT_I2C=m
+CONFIG_AD525X_DPOT_SPI=m
+CONFIG_IBM_ASM=m
+CONFIG_PHANTOM=m
+# CONFIG_INTEL_MID_PTI is not set
+CONFIG_SGI_IOC4=m
+CONFIG_TIFM_CORE=m
+CONFIG_TIFM_7XX1=m
+CONFIG_ICS932S401=m
+CONFIG_ENCLOSURE_SERVICES=m
+CONFIG_CS5535_MFGPT=m
+CONFIG_CS5535_MFGPT_DEFAULT_IRQ=7
+CONFIG_CS5535_CLOCK_EVENT_SRC=m
+CONFIG_HP_ILO=m
+CONFIG_APDS9802ALS=m
+CONFIG_ISL29003=m
+CONFIG_ISL29020=m
+CONFIG_SENSORS_TSL2550=m
+CONFIG_SENSORS_BH1780=m
+CONFIG_SENSORS_BH1770=m
+CONFIG_SENSORS_APDS990X=m
+CONFIG_HMC6352=m
+CONFIG_DS1682=m
+CONFIG_TI_DAC7512=m
+CONFIG_VMWARE_BALLOON=m
+# CONFIG_BMP085_I2C is not set
+# CONFIG_BMP085_SPI is not set
+CONFIG_PCH_PHUB=m
+# CONFIG_USB_SWITCH_FSA9480 is not set
+CONFIG_C2PORT=m
+CONFIG_C2PORT_DURAMAR_2150=m
+
+#
+# EEPROM support
+#
+CONFIG_EEPROM_AT24=m
+CONFIG_EEPROM_AT25=m
+CONFIG_EEPROM_LEGACY=m
+CONFIG_EEPROM_MAX6875=m
+CONFIG_EEPROM_93CX6=m
+CONFIG_EEPROM_93XX46=m
+CONFIG_CB710_CORE=m
+# CONFIG_CB710_DEBUG is not set
+CONFIG_CB710_DEBUG_ASSUMPTIONS=y
+
+#
+# Texas Instruments shared transport line discipline
+#
+CONFIG_TI_ST=m
+CONFIG_SENSORS_LIS3_I2C=m
+
+#
+# Altera FPGA firmware download module
+#
+# CONFIG_ALTERA_STAPL is not set
+# CONFIG_INTEL_MEI is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+CONFIG_SCSI_MOD=m
+CONFIG_RAID_ATTRS=m
+CONFIG_SCSI=m
+CONFIG_SCSI_DMA=y
+CONFIG_SCSI_TGT=m
+CONFIG_SCSI_NETLINK=y
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=m
+CONFIG_CHR_DEV_ST=m
+CONFIG_CHR_DEV_OSST=m
+CONFIG_BLK_DEV_SR=m
+CONFIG_BLK_DEV_SR_VENDOR=y
+CONFIG_CHR_DEV_SG=m
+CONFIG_CHR_DEV_SCH=m
+CONFIG_SCSI_ENCLOSURE=m
+CONFIG_SCSI_MULTI_LUN=y
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+CONFIG_SCSI_SCAN_ASYNC=y
+
+#
+# SCSI Transports
+#
+CONFIG_SCSI_SPI_ATTRS=m
+CONFIG_SCSI_FC_ATTRS=m
+CONFIG_SCSI_FC_TGT_ATTRS=y
+CONFIG_SCSI_ISCSI_ATTRS=m
+CONFIG_SCSI_SAS_ATTRS=m
+CONFIG_SCSI_SAS_LIBSAS=m
+CONFIG_SCSI_SAS_ATA=y
+CONFIG_SCSI_SAS_HOST_SMP=y
+CONFIG_SCSI_SRP_ATTRS=m
+CONFIG_SCSI_SRP_TGT_ATTRS=y
+CONFIG_SCSI_LOWLEVEL=y
+CONFIG_ISCSI_TCP=m
+CONFIG_ISCSI_BOOT_SYSFS=m
+CONFIG_SCSI_CXGB3_ISCSI=m
+CONFIG_SCSI_CXGB4_ISCSI=m
+CONFIG_SCSI_BNX2_ISCSI=m
+CONFIG_SCSI_BNX2X_FCOE=m
+CONFIG_BE2ISCSI=m
+CONFIG_BLK_DEV_3W_XXXX_RAID=m
+CONFIG_SCSI_HPSA=m
+CONFIG_SCSI_3W_9XXX=m
+CONFIG_SCSI_3W_SAS=m
+CONFIG_SCSI_ACARD=m
+CONFIG_SCSI_AACRAID=m
+CONFIG_SCSI_AIC7XXX=m
+CONFIG_AIC7XXX_CMDS_PER_DEVICE=32
+CONFIG_AIC7XXX_RESET_DELAY_MS=15000
+# CONFIG_AIC7XXX_BUILD_FIRMWARE is not set
+CONFIG_AIC7XXX_DEBUG_ENABLE=y
+CONFIG_AIC7XXX_DEBUG_MASK=0
+CONFIG_AIC7XXX_REG_PRETTY_PRINT=y
+CONFIG_SCSI_AIC7XXX_OLD=m
+CONFIG_SCSI_AIC79XX=m
+CONFIG_AIC79XX_CMDS_PER_DEVICE=32
+CONFIG_AIC79XX_RESET_DELAY_MS=15000
+# CONFIG_AIC79XX_BUILD_FIRMWARE is not set
+CONFIG_AIC79XX_DEBUG_ENABLE=y
+CONFIG_AIC79XX_DEBUG_MASK=0
+CONFIG_AIC79XX_REG_PRETTY_PRINT=y
+CONFIG_SCSI_AIC94XX=m
+# CONFIG_AIC94XX_DEBUG is not set
+CONFIG_SCSI_MVSAS=m
+CONFIG_SCSI_MVSAS_DEBUG=y
+CONFIG_SCSI_MVSAS_TASKLET=y
+CONFIG_SCSI_MVUMI=m
+CONFIG_SCSI_DPT_I2O=m
+CONFIG_SCSI_ADVANSYS=m
+CONFIG_SCSI_ARCMSR=m
+CONFIG_MEGARAID_NEWGEN=y
+CONFIG_MEGARAID_MM=m
+CONFIG_MEGARAID_MAILBOX=m
+CONFIG_MEGARAID_LEGACY=m
+CONFIG_MEGARAID_SAS=m
+CONFIG_SCSI_MPT2SAS=m
+CONFIG_SCSI_MPT2SAS_MAX_SGE=128
+# CONFIG_SCSI_MPT2SAS_LOGGING is not set
+CONFIG_SCSI_UFSHCD=m
+CONFIG_SCSI_HPTIOP=m
+CONFIG_SCSI_BUSLOGIC=m
+# CONFIG_SCSI_FLASHPOINT is not set
+CONFIG_VMWARE_PVSCSI=m
+CONFIG_HYPERV_STORAGE=m
+CONFIG_LIBFC=m
+CONFIG_LIBFCOE=m
+CONFIG_FCOE=m
+CONFIG_FCOE_FNIC=m
+CONFIG_SCSI_DMX3191D=m
+CONFIG_SCSI_EATA=m
+# CONFIG_SCSI_EATA_TAGGED_QUEUE is not set
+# CONFIG_SCSI_EATA_LINKED_COMMANDS is not set
+CONFIG_SCSI_EATA_MAX_TAGS=16
+CONFIG_SCSI_FUTURE_DOMAIN=m
+CONFIG_SCSI_GDTH=m
+CONFIG_SCSI_ISCI=m
+CONFIG_SCSI_IPS=m
+CONFIG_SCSI_INITIO=m
+CONFIG_SCSI_INIA100=m
+# CONFIG_SCSI_PPA is not set
+# CONFIG_SCSI_IMM is not set
+CONFIG_SCSI_STEX=m
+CONFIG_SCSI_SYM53C8XX_2=m
+CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
+CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
+CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
+CONFIG_SCSI_SYM53C8XX_MMIO=y
+CONFIG_SCSI_IPR=m
+CONFIG_SCSI_IPR_TRACE=y
+# CONFIG_SCSI_IPR_DUMP is not set
+CONFIG_SCSI_QLOGIC_1280=m
+CONFIG_SCSI_QLA_FC=m
+CONFIG_TCM_QLA2XXX=m
+CONFIG_SCSI_QLA_ISCSI=m
+CONFIG_SCSI_LPFC=m
+# CONFIG_SCSI_LPFC_DEBUG_FS is not set
+CONFIG_SCSI_DC395x=m
+CONFIG_SCSI_DC390T=m
+# CONFIG_SCSI_NSP32 is not set
+CONFIG_SCSI_DEBUG=m
+# CONFIG_SCSI_PMCRAID is not set
+CONFIG_SCSI_PM8001=m
+CONFIG_SCSI_SRP=m
+# CONFIG_SCSI_BFA_FC is not set
+CONFIG_SCSI_VIRTIO=m
+CONFIG_SCSI_LOWLEVEL_PCMCIA=y
+CONFIG_PCMCIA_AHA152X=m
+CONFIG_PCMCIA_FDOMAIN=m
+# CONFIG_PCMCIA_NINJA_SCSI is not set
+CONFIG_PCMCIA_QLOGIC=m
+CONFIG_PCMCIA_SYM53C500=m
+CONFIG_SCSI_DH=m
+CONFIG_SCSI_DH_RDAC=m
+CONFIG_SCSI_DH_HP_SW=m
+CONFIG_SCSI_DH_EMC=m
+CONFIG_SCSI_DH_ALUA=m
+CONFIG_SCSI_OSD_INITIATOR=m
+CONFIG_SCSI_OSD_ULD=m
+CONFIG_SCSI_OSD_DPRINT_SENSE=1
+# CONFIG_SCSI_OSD_DEBUG is not set
+CONFIG_ATA=m
+# CONFIG_ATA_NONSTANDARD is not set
+CONFIG_ATA_VERBOSE_ERROR=y
+CONFIG_ATA_ACPI=y
+CONFIG_SATA_PMP=y
+
+#
+# Controllers with non-SFF native interface
+#
+CONFIG_SATA_AHCI=m
+CONFIG_SATA_AHCI_PLATFORM=m
+CONFIG_SATA_INIC162X=m
+CONFIG_SATA_ACARD_AHCI=m
+CONFIG_SATA_SIL24=m
+CONFIG_ATA_SFF=y
+
+#
+# SFF controllers with custom DMA interface
+#
+CONFIG_PDC_ADMA=m
+CONFIG_SATA_QSTOR=m
+CONFIG_SATA_SX4=m
+CONFIG_ATA_BMDMA=y
+
+#
+# SATA SFF controllers with BMDMA
+#
+CONFIG_ATA_PIIX=m
+CONFIG_SATA_MV=m
+CONFIG_SATA_NV=m
+CONFIG_SATA_PROMISE=m
+CONFIG_SATA_SIL=m
+CONFIG_SATA_SIS=m
+CONFIG_SATA_SVW=m
+CONFIG_SATA_ULI=m
+CONFIG_SATA_VIA=m
+CONFIG_SATA_VITESSE=m
+
+#
+# PATA SFF controllers with BMDMA
+#
+CONFIG_PATA_ALI=m
+CONFIG_PATA_AMD=m
+CONFIG_PATA_ARASAN_CF=m
+CONFIG_PATA_ARTOP=m
+CONFIG_PATA_ATIIXP=m
+CONFIG_PATA_ATP867X=m
+CONFIG_PATA_CMD64X=m
+CONFIG_PATA_CS5520=m
+CONFIG_PATA_CS5530=m
+# CONFIG_PATA_CS5535 is not set
+CONFIG_PATA_CS5536=m
+CONFIG_PATA_CYPRESS=m
+CONFIG_PATA_EFAR=m
+CONFIG_PATA_HPT366=m
+CONFIG_PATA_HPT37X=m
+CONFIG_PATA_HPT3X2N=m
+CONFIG_PATA_HPT3X3=m
+CONFIG_PATA_HPT3X3_DMA=y
+CONFIG_PATA_IT8213=m
+CONFIG_PATA_IT821X=m
+CONFIG_PATA_JMICRON=m
+CONFIG_PATA_MARVELL=m
+CONFIG_PATA_NETCELL=m
+CONFIG_PATA_NINJA32=m
+CONFIG_PATA_NS87415=m
+CONFIG_PATA_OLDPIIX=m
+CONFIG_PATA_OPTIDMA=m
+CONFIG_PATA_PDC2027X=m
+CONFIG_PATA_PDC_OLD=m
+CONFIG_PATA_RADISYS=m
+CONFIG_PATA_RDC=m
+CONFIG_PATA_SC1200=m
+CONFIG_PATA_SCH=m
+CONFIG_PATA_SERVERWORKS=m
+CONFIG_PATA_SIL680=m
+CONFIG_PATA_SIS=m
+CONFIG_PATA_TOSHIBA=m
+CONFIG_PATA_TRIFLEX=m
+CONFIG_PATA_VIA=m
+CONFIG_PATA_WINBOND=m
+
+#
+# PIO-only SFF controllers
+#
+CONFIG_PATA_CMD640_PCI=m
+CONFIG_PATA_MPIIX=m
+CONFIG_PATA_NS87410=m
+CONFIG_PATA_OPTI=m
+CONFIG_PATA_PCMCIA=m
+CONFIG_PATA_PLATFORM=m
+CONFIG_PATA_RZ1000=m
+
+#
+# Generic fallback / legacy drivers
+#
+CONFIG_PATA_ACPI=m
+CONFIG_ATA_GENERIC=m
+CONFIG_PATA_LEGACY=m
+CONFIG_MD=y
+CONFIG_BLK_DEV_MD=y
+# CONFIG_MD_AUTODETECT is not set
+CONFIG_MD_LINEAR=m
+CONFIG_MD_RAID0=m
+CONFIG_MD_RAID1=m
+CONFIG_MD_RAID10=m
+CONFIG_MD_RAID456=m
+# CONFIG_MULTICORE_RAID456 is not set
+CONFIG_MD_MULTIPATH=m
+CONFIG_MD_FAULTY=m
+CONFIG_BLK_DEV_DM=m
+# CONFIG_DM_DEBUG is not set
+CONFIG_DM_BUFIO=m
+CONFIG_DM_PERSISTENT_DATA=m
+CONFIG_DM_CRYPT=m
+CONFIG_DM_SNAPSHOT=m
+CONFIG_DM_THIN_PROVISIONING=m
+# CONFIG_DM_DEBUG_BLOCK_STACK_TRACING is not set
+CONFIG_DM_MIRROR=m
+CONFIG_DM_RAID=m
+CONFIG_DM_LOG_USERSPACE=m
+CONFIG_DM_ZERO=m
+CONFIG_DM_MULTIPATH=m
+CONFIG_DM_MULTIPATH_QL=m
+CONFIG_DM_MULTIPATH_ST=m
+CONFIG_DM_DELAY=m
+# CONFIG_DM_UEVENT is not set
+CONFIG_DM_FLAKEY=m
+CONFIG_DM_VERITY=m
+CONFIG_TARGET_CORE=m
+CONFIG_TCM_IBLOCK=m
+CONFIG_TCM_FILEIO=m
+CONFIG_TCM_PSCSI=m
+CONFIG_LOOPBACK_TARGET=m
+CONFIG_TCM_FC=m
+CONFIG_ISCSI_TARGET=m
+CONFIG_SBP_TARGET=m
+CONFIG_FUSION=y
+CONFIG_FUSION_SPI=m
+CONFIG_FUSION_FC=m
+CONFIG_FUSION_SAS=m
+CONFIG_FUSION_MAX_SGE=128
+CONFIG_FUSION_CTL=m
+# CONFIG_FUSION_LOGGING is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+CONFIG_FIREWIRE=m
+CONFIG_FIREWIRE_OHCI=m
+CONFIG_FIREWIRE_SBP2=m
+CONFIG_FIREWIRE_NET=m
+CONFIG_FIREWIRE_NOSY=m
+CONFIG_I2O=m
+CONFIG_I2O_LCT_NOTIFY_ON_CHANGES=y
+CONFIG_I2O_EXT_ADAPTEC=y
+CONFIG_I2O_CONFIG=m
+CONFIG_I2O_CONFIG_OLD_IOCTL=y
+CONFIG_I2O_BUS=m
+CONFIG_I2O_BLOCK=m
+CONFIG_I2O_SCSI=m
+CONFIG_I2O_PROC=m
+# CONFIG_MACINTOSH_DRIVERS is not set
+CONFIG_NETDEVICES=y
+CONFIG_NET_CORE=y
+CONFIG_BONDING=m
+CONFIG_DUMMY=m
+CONFIG_EQUALIZER=m
+# CONFIG_NET_FC is not set
+CONFIG_MII=m
+CONFIG_IEEE802154_DRIVERS=m
+CONFIG_IEEE802154_FAKEHARD=m
+CONFIG_IEEE802154_FAKELB=m
+# CONFIG_IEEE802154_AT86RF230 is not set
+CONFIG_IFB=m
+CONFIG_NET_TEAM=m
+CONFIG_NET_TEAM_MODE_BROADCAST=m
+CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
+CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
+CONFIG_NET_TEAM_MODE_LOADBALANCE=m
+CONFIG_MACVLAN=m
+CONFIG_MACVTAP=m
+CONFIG_NETCONSOLE=m
+CONFIG_NETCONSOLE_DYNAMIC=y
+CONFIG_NETPOLL=y
+# CONFIG_NETPOLL_TRAP is not set
+CONFIG_NET_POLL_CONTROLLER=y
+CONFIG_TUN=m
+CONFIG_VETH=m
+CONFIG_VIRTIO_NET=m
+CONFIG_SUNGEM_PHY=m
+CONFIG_ARCNET=m
+CONFIG_ARCNET_1201=m
+CONFIG_ARCNET_1051=m
+CONFIG_ARCNET_RAW=m
+CONFIG_ARCNET_CAP=m
+CONFIG_ARCNET_COM90xx=m
+CONFIG_ARCNET_COM90xxIO=m
+CONFIG_ARCNET_RIM_I=m
+CONFIG_ARCNET_COM20020=m
+CONFIG_ARCNET_COM20020_PCI=m
+CONFIG_ARCNET_COM20020_CS=m
+CONFIG_ATM_DRIVERS=y
+CONFIG_ATM_DUMMY=m
+CONFIG_ATM_TCP=m
+CONFIG_ATM_LANAI=m
+CONFIG_ATM_ENI=m
+# CONFIG_ATM_ENI_DEBUG is not set
+# CONFIG_ATM_ENI_TUNE_BURST is not set
+CONFIG_ATM_FIRESTREAM=m
+CONFIG_ATM_ZATM=m
+# CONFIG_ATM_ZATM_DEBUG is not set
+CONFIG_ATM_NICSTAR=m
+# CONFIG_ATM_NICSTAR_USE_SUNI is not set
+# CONFIG_ATM_NICSTAR_USE_IDT77105 is not set
+CONFIG_ATM_IDT77252=m
+# CONFIG_ATM_IDT77252_DEBUG is not set
+# CONFIG_ATM_IDT77252_RCV_ALL is not set
+CONFIG_ATM_IDT77252_USE_SUNI=y
+CONFIG_ATM_AMBASSADOR=m
+# CONFIG_ATM_AMBASSADOR_DEBUG is not set
+CONFIG_ATM_HORIZON=m
+# CONFIG_ATM_HORIZON_DEBUG is not set
+CONFIG_ATM_IA=m
+# CONFIG_ATM_IA_DEBUG is not set
+CONFIG_ATM_FORE200E=m
+CONFIG_ATM_FORE200E_USE_TASKLET=y
+CONFIG_ATM_FORE200E_TX_RETRY=16
+CONFIG_ATM_FORE200E_DEBUG=0
+CONFIG_ATM_HE=m
+CONFIG_ATM_HE_USE_SUNI=y
+CONFIG_ATM_SOLOS=m
+
+#
+# CAIF transport drivers
+#
+CONFIG_ETHERNET=y
+CONFIG_MDIO=m
+CONFIG_NET_VENDOR_3COM=y
+CONFIG_PCMCIA_3C574=m
+CONFIG_PCMCIA_3C589=m
+CONFIG_VORTEX=m
+CONFIG_TYPHOON=m
+CONFIG_NET_VENDOR_ADAPTEC=y
+CONFIG_ADAPTEC_STARFIRE=m
+CONFIG_NET_VENDOR_ALTEON=y
+CONFIG_ACENIC=m
+# CONFIG_ACENIC_OMIT_TIGON_I is not set
+CONFIG_NET_VENDOR_AMD=y
+CONFIG_AMD8111_ETH=m
+CONFIG_PCNET32=m
+CONFIG_PCMCIA_NMCLAN=m
+CONFIG_NET_VENDOR_ATHEROS=y
+CONFIG_ATL2=m
+CONFIG_ATL1=m
+CONFIG_ATL1E=m
+CONFIG_ATL1C=m
+CONFIG_NET_VENDOR_BROADCOM=y
+CONFIG_B44=m
+CONFIG_B44_PCI_AUTOSELECT=y
+CONFIG_B44_PCICORE_AUTOSELECT=y
+CONFIG_B44_PCI=y
+CONFIG_BNX2=m
+CONFIG_CNIC=m
+CONFIG_TIGON3=m
+CONFIG_BNX2X=m
+CONFIG_NET_VENDOR_BROCADE=y
+CONFIG_BNA=m
+CONFIG_NET_CALXEDA_XGMAC=m
+CONFIG_NET_VENDOR_CHELSIO=y
+CONFIG_CHELSIO_T1=m
+CONFIG_CHELSIO_T1_1G=y
+CONFIG_CHELSIO_T3=m
+CONFIG_CHELSIO_T4=m
+CONFIG_CHELSIO_T4VF=m
+CONFIG_NET_VENDOR_CISCO=y
+CONFIG_ENIC=m
+CONFIG_DNET=m
+CONFIG_NET_VENDOR_DEC=y
+CONFIG_NET_TULIP=y
+CONFIG_DE2104X=m
+CONFIG_DE2104X_DSL=0
+CONFIG_TULIP=m
+# CONFIG_TULIP_MWI is not set
+# CONFIG_TULIP_MMIO is not set
+# CONFIG_TULIP_NAPI is not set
+CONFIG_DE4X5=m
+CONFIG_WINBOND_840=m
+CONFIG_DM9102=m
+CONFIG_ULI526X=m
+CONFIG_PCMCIA_XIRCOM=m
+CONFIG_NET_VENDOR_DLINK=y
+CONFIG_DE600=m
+CONFIG_DE620=m
+CONFIG_DL2K=m
+CONFIG_SUNDANCE=m
+# CONFIG_SUNDANCE_MMIO is not set
+CONFIG_NET_VENDOR_EMULEX=y
+CONFIG_BE2NET=m
+CONFIG_NET_VENDOR_EXAR=y
+CONFIG_S2IO=m
+CONFIG_VXGE=m
+# CONFIG_VXGE_DEBUG_TRACE_ALL is not set
+CONFIG_NET_VENDOR_FUJITSU=y
+CONFIG_PCMCIA_FMVJ18X=m
+CONFIG_NET_VENDOR_HP=y
+CONFIG_HP100=m
+CONFIG_NET_VENDOR_INTEL=y
+CONFIG_E100=m
+CONFIG_E1000=m
+CONFIG_E1000E=m
+CONFIG_IGB=m
+CONFIG_IGB_DCA=y
+# CONFIG_IGB_PTP is not set
+CONFIG_IGBVF=m
+CONFIG_IXGB=m
+CONFIG_IXGBE=m
+CONFIG_IXGBE_HWMON=y
+CONFIG_IXGBE_DCA=y
+# CONFIG_IXGBE_PTP is not set
+# CONFIG_IXGBEVF is not set
+CONFIG_NET_VENDOR_I825XX=y
+# CONFIG_ZNET is not set
+CONFIG_IP1000=m
+CONFIG_JME=m
+CONFIG_NET_VENDOR_MARVELL=y
+CONFIG_SKGE=m
+# CONFIG_SKGE_DEBUG is not set
+CONFIG_SKGE_GENESIS=y
+CONFIG_SKY2=m
+# CONFIG_SKY2_DEBUG is not set
+CONFIG_NET_VENDOR_MELLANOX=y
+CONFIG_MLX4_EN=m
+CONFIG_MLX4_CORE=m
+CONFIG_MLX4_DEBUG=y
+CONFIG_NET_VENDOR_MICREL=y
+CONFIG_KS8842=m
+CONFIG_KS8851=m
+CONFIG_KS8851_MLL=m
+CONFIG_KSZ884X_PCI=m
+CONFIG_NET_VENDOR_MICROCHIP=y
+CONFIG_ENC28J60=m
+# CONFIG_ENC28J60_WRITEVERIFY is not set
+CONFIG_NET_VENDOR_MYRI=y
+CONFIG_MYRI10GE=m
+CONFIG_MYRI10GE_DCA=y
+CONFIG_FEALNX=m
+CONFIG_NET_VENDOR_NATSEMI=y
+CONFIG_NATSEMI=m
+CONFIG_NS83820=m
+CONFIG_NET_VENDOR_8390=y
+CONFIG_PCMCIA_AXNET=m
+CONFIG_NE2K_PCI=m
+CONFIG_PCMCIA_PCNET=m
+CONFIG_NET_VENDOR_NVIDIA=y
+CONFIG_FORCEDETH=m
+CONFIG_NET_VENDOR_OKI=y
+CONFIG_PCH_GBE=m
+CONFIG_ETHOC=m
+CONFIG_NET_PACKET_ENGINE=y
+CONFIG_HAMACHI=m
+CONFIG_YELLOWFIN=m
+CONFIG_NET_VENDOR_QLOGIC=y
+CONFIG_QLA3XXX=m
+CONFIG_QLCNIC=m
+CONFIG_QLGE=m
+CONFIG_NETXEN_NIC=m
+CONFIG_NET_VENDOR_REALTEK=y
+CONFIG_ATP=m
+CONFIG_8139CP=m
+CONFIG_8139TOO=m
+CONFIG_8139TOO_PIO=y
+# CONFIG_8139TOO_TUNE_TWISTER is not set
+# CONFIG_8139TOO_8129 is not set
+# CONFIG_8139_OLD_RX_RESET is not set
+CONFIG_R8169=m
+CONFIG_NET_VENDOR_RDC=y
+CONFIG_R6040=m
+CONFIG_NET_VENDOR_SEEQ=y
+CONFIG_SEEQ8005=m
+CONFIG_NET_VENDOR_SILAN=y
+CONFIG_SC92031=m
+CONFIG_NET_VENDOR_SIS=y
+CONFIG_SIS900=m
+CONFIG_SIS190=m
+CONFIG_SFC=m
+CONFIG_SFC_MTD=y
+CONFIG_SFC_MCDI_MON=y
+CONFIG_NET_VENDOR_SMSC=y
+CONFIG_PCMCIA_SMC91C92=m
+CONFIG_EPIC100=m
+CONFIG_SMSC9420=m
+CONFIG_NET_VENDOR_STMICRO=y
+CONFIG_STMMAC_ETH=m
+# CONFIG_STMMAC_PLATFORM is not set
+# CONFIG_STMMAC_PCI is not set
+# CONFIG_STMMAC_DEBUG_FS is not set
+# CONFIG_STMMAC_DA is not set
+CONFIG_STMMAC_RING=y
+# CONFIG_STMMAC_CHAINED is not set
+CONFIG_NET_VENDOR_SUN=y
+CONFIG_HAPPYMEAL=m
+CONFIG_SUNGEM=m
+CONFIG_CASSINI=m
+CONFIG_NIU=m
+CONFIG_NET_VENDOR_TEHUTI=y
+CONFIG_TEHUTI=m
+CONFIG_NET_VENDOR_TI=y
+CONFIG_TLAN=m
+CONFIG_NET_VENDOR_VIA=y
+CONFIG_VIA_RHINE=m
+# CONFIG_VIA_RHINE_MMIO is not set
+CONFIG_VIA_VELOCITY=m
+CONFIG_NET_VENDOR_WIZNET=y
+CONFIG_WIZNET_W5100=m
+CONFIG_WIZNET_W5300=m
+# CONFIG_WIZNET_BUS_DIRECT is not set
+# CONFIG_WIZNET_BUS_INDIRECT is not set
+CONFIG_WIZNET_BUS_ANY=y
+CONFIG_NET_VENDOR_XIRCOM=y
+CONFIG_PCMCIA_XIRC2PS=m
+CONFIG_FDDI=y
+CONFIG_DEFXX=m
+# CONFIG_DEFXX_MMIO is not set
+CONFIG_SKFP=m
+CONFIG_HIPPI=y
+CONFIG_ROADRUNNER=m
+# CONFIG_ROADRUNNER_LARGE_RINGS is not set
+CONFIG_NET_SB1000=m
+CONFIG_PHYLIB=m
+
+#
+# MII PHY device drivers
+#
+CONFIG_AMD_PHY=m
+CONFIG_MARVELL_PHY=m
+CONFIG_DAVICOM_PHY=m
+CONFIG_QSEMI_PHY=m
+CONFIG_LXT_PHY=m
+CONFIG_CICADA_PHY=m
+CONFIG_VITESSE_PHY=m
+CONFIG_SMSC_PHY=m
+CONFIG_BROADCOM_PHY=m
+CONFIG_BCM87XX_PHY=m
+CONFIG_ICPLUS_PHY=m
+CONFIG_REALTEK_PHY=m
+CONFIG_NATIONAL_PHY=m
+CONFIG_STE10XP=m
+CONFIG_LSI_ET1011C_PHY=m
+CONFIG_MICREL_PHY=m
+CONFIG_MDIO_BITBANG=m
+CONFIG_MDIO_GPIO=m
+CONFIG_MICREL_KS8995MA=m
+CONFIG_PLIP=m
+CONFIG_PPP=m
+CONFIG_PPP_BSDCOMP=m
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_FILTER=y
+CONFIG_PPP_MPPE=m
+CONFIG_PPP_MULTILINK=y
+CONFIG_PPPOATM=m
+CONFIG_PPPOE=m
+CONFIG_PPTP=m
+CONFIG_PPPOL2TP=m
+CONFIG_PPP_ASYNC=m
+CONFIG_PPP_SYNC_TTY=m
+CONFIG_SLIP=m
+CONFIG_SLHC=m
+CONFIG_SLIP_COMPRESSED=y
+CONFIG_SLIP_SMART=y
+CONFIG_SLIP_MODE_SLIP6=y
+
+#
+# USB Network Adapters
+#
+CONFIG_USB_CATC=m
+CONFIG_USB_KAWETH=m
+CONFIG_USB_PEGASUS=m
+CONFIG_USB_RTL8150=m
+CONFIG_USB_USBNET=m
+CONFIG_USB_NET_AX8817X=m
+CONFIG_USB_NET_CDCETHER=m
+CONFIG_USB_NET_CDC_EEM=m
+CONFIG_USB_NET_CDC_NCM=m
+CONFIG_USB_NET_DM9601=m
+CONFIG_USB_NET_SMSC75XX=m
+CONFIG_USB_NET_SMSC95XX=m
+CONFIG_USB_NET_GL620A=m
+CONFIG_USB_NET_NET1080=m
+CONFIG_USB_NET_PLUSB=m
+CONFIG_USB_NET_MCS7830=m
+CONFIG_USB_NET_RNDIS_HOST=m
+CONFIG_USB_NET_CDC_SUBSET=m
+CONFIG_USB_ALI_M5632=y
+CONFIG_USB_AN2720=y
+CONFIG_USB_BELKIN=y
+CONFIG_USB_ARMLINUX=y
+CONFIG_USB_EPSON2888=y
+CONFIG_USB_KC2190=y
+CONFIG_USB_NET_ZAURUS=m
+CONFIG_USB_NET_CX82310_ETH=m
+CONFIG_USB_NET_KALMIA=m
+CONFIG_USB_NET_QMI_WWAN=m
+CONFIG_USB_HSO=m
+CONFIG_USB_NET_INT51X1=m
+CONFIG_USB_CDC_PHONET=m
+CONFIG_USB_IPHETH=m
+CONFIG_USB_SIERRA_NET=m
+CONFIG_USB_VL600=m
+CONFIG_WLAN=y
+CONFIG_PCMCIA_RAYCS=m
+CONFIG_LIBERTAS_THINFIRM=m
+# CONFIG_LIBERTAS_THINFIRM_DEBUG is not set
+CONFIG_LIBERTAS_THINFIRM_USB=m
+CONFIG_AIRO=m
+CONFIG_ATMEL=m
+CONFIG_PCI_ATMEL=m
+CONFIG_PCMCIA_ATMEL=m
+CONFIG_AT76C50X_USB=m
+CONFIG_AIRO_CS=m
+CONFIG_PCMCIA_WL3501=m
+CONFIG_PRISM54=m
+CONFIG_USB_ZD1201=m
+CONFIG_USB_NET_RNDIS_WLAN=m
+CONFIG_RTL8180=m
+CONFIG_RTL8187=m
+CONFIG_RTL8187_LEDS=y
+CONFIG_ADM8211=m
+CONFIG_MAC80211_HWSIM=m
+CONFIG_MWL8K=m
+CONFIG_ATH_COMMON=m
+# CONFIG_ATH_DEBUG is not set
+CONFIG_ATH5K=m
+# CONFIG_ATH5K_DEBUG is not set
+CONFIG_ATH5K_PCI=y
+CONFIG_ATH9K_HW=m
+CONFIG_ATH9K_COMMON=m
+CONFIG_ATH9K_BTCOEX_SUPPORT=y
+CONFIG_ATH9K=m
+CONFIG_ATH9K_PCI=y
+CONFIG_ATH9K_AHB=y
+# CONFIG_ATH9K_DEBUGFS is not set
+CONFIG_ATH9K_RATE_CONTROL=y
+CONFIG_ATH9K_HTC=m
+# CONFIG_ATH9K_HTC_DEBUGFS is not set
+CONFIG_CARL9170=m
+CONFIG_CARL9170_LEDS=y
+CONFIG_CARL9170_WPC=y
+CONFIG_CARL9170_HWRNG=y
+CONFIG_ATH6KL=m
+CONFIG_ATH6KL_SDIO=m
+CONFIG_ATH6KL_USB=m
+CONFIG_ATH6KL_DEBUG=y
+CONFIG_B43=m
+CONFIG_B43_SSB=y
+CONFIG_B43_PCI_AUTOSELECT=y
+CONFIG_B43_PCICORE_AUTOSELECT=y
+CONFIG_B43_PCMCIA=y
+CONFIG_B43_SDIO=y
+CONFIG_B43_PIO=y
+CONFIG_B43_PHY_N=y
+CONFIG_B43_PHY_LP=y
+CONFIG_B43_PHY_HT=y
+CONFIG_B43_LEDS=y
+CONFIG_B43_HWRNG=y
+# CONFIG_B43_DEBUG is not set
+CONFIG_B43LEGACY=m
+CONFIG_B43LEGACY_PCI_AUTOSELECT=y
+CONFIG_B43LEGACY_PCICORE_AUTOSELECT=y
+CONFIG_B43LEGACY_LEDS=y
+CONFIG_B43LEGACY_HWRNG=y
+CONFIG_B43LEGACY_DEBUG=y
+CONFIG_B43LEGACY_DMA=y
+CONFIG_B43LEGACY_PIO=y
+CONFIG_B43LEGACY_DMA_AND_PIO_MODE=y
+# CONFIG_B43LEGACY_DMA_MODE is not set
+# CONFIG_B43LEGACY_PIO_MODE is not set
+# CONFIG_BRCMFMAC is not set
+CONFIG_HOSTAP=m
+CONFIG_HOSTAP_FIRMWARE=y
+CONFIG_HOSTAP_FIRMWARE_NVRAM=y
+CONFIG_HOSTAP_PLX=m
+CONFIG_HOSTAP_PCI=m
+CONFIG_HOSTAP_CS=m
+CONFIG_IPW2100=m
+CONFIG_IPW2100_MONITOR=y
+# CONFIG_IPW2100_DEBUG is not set
+CONFIG_IPW2200=m
+CONFIG_IPW2200_MONITOR=y
+CONFIG_IPW2200_RADIOTAP=y
+CONFIG_IPW2200_PROMISCUOUS=y
+CONFIG_IPW2200_QOS=y
+# CONFIG_IPW2200_DEBUG is not set
+CONFIG_LIBIPW=m
+# CONFIG_LIBIPW_DEBUG is not set
+CONFIG_IWLWIFI=m
+CONFIG_IWLDVM=m
+
+#
+# Debugging Options
+#
+# CONFIG_IWLWIFI_DEBUG is not set
+# CONFIG_IWLWIFI_P2P is not set
+# CONFIG_IWLWIFI_EXPERIMENTAL_MFP is not set
+CONFIG_IWLEGACY=m
+CONFIG_IWL4965=m
+CONFIG_IWL3945=m
+
+#
+# iwl3945 / iwl4965 Debugging Options
+#
+# CONFIG_IWLEGACY_DEBUG is not set
+CONFIG_LIBERTAS=m
+CONFIG_LIBERTAS_USB=m
+CONFIG_LIBERTAS_CS=m
+CONFIG_LIBERTAS_SDIO=m
+CONFIG_LIBERTAS_SPI=m
+# CONFIG_LIBERTAS_DEBUG is not set
+CONFIG_LIBERTAS_MESH=y
+CONFIG_HERMES=m
+# CONFIG_HERMES_PRISM is not set
+CONFIG_HERMES_CACHE_FW_ON_INIT=y
+CONFIG_PLX_HERMES=m
+CONFIG_TMD_HERMES=m
+CONFIG_NORTEL_HERMES=m
+CONFIG_PCMCIA_HERMES=m
+CONFIG_PCMCIA_SPECTRUM=m
+CONFIG_ORINOCO_USB=m
+CONFIG_P54_COMMON=m
+CONFIG_P54_USB=m
+CONFIG_P54_PCI=m
+CONFIG_P54_SPI=m
+# CONFIG_P54_SPI_DEFAULT_EEPROM is not set
+CONFIG_P54_LEDS=y
+CONFIG_RT2X00=m
+CONFIG_RT2400PCI=m
+CONFIG_RT2500PCI=m
+CONFIG_RT61PCI=m
+CONFIG_RT2800PCI=m
+CONFIG_RT2800PCI_RT33XX=y
+# CONFIG_RT2800PCI_RT35XX is not set
+CONFIG_RT2800PCI_RT53XX=y
+CONFIG_RT2800PCI_RT3290=y
+CONFIG_RT2500USB=m
+CONFIG_RT73USB=m
+CONFIG_RT2800USB=m
+CONFIG_RT2800USB_RT33XX=y
+# CONFIG_RT2800USB_RT35XX is not set
+CONFIG_RT2800USB_RT53XX=y
+CONFIG_RT2800USB_UNKNOWN=y
+CONFIG_RT2800_LIB=m
+CONFIG_RT2X00_LIB_PCI=m
+CONFIG_RT2X00_LIB_USB=m
+CONFIG_RT2X00_LIB=m
+CONFIG_RT2X00_LIB_FIRMWARE=y
+CONFIG_RT2X00_LIB_CRYPTO=y
+CONFIG_RT2X00_LIB_LEDS=y
+# CONFIG_RT2X00_DEBUG is not set
+CONFIG_RTL8192CE=m
+CONFIG_RTL8192SE=m
+CONFIG_RTL8192DE=m
+CONFIG_RTL8192CU=m
+CONFIG_RTLWIFI=m
+# CONFIG_RTLWIFI_DEBUG is not set
+CONFIG_RTL8192C_COMMON=m
+CONFIG_WL_TI=y
+CONFIG_WL1251=m
+CONFIG_WL1251_SPI=m
+CONFIG_WL1251_SDIO=m
+CONFIG_WL12XX=m
+CONFIG_WL18XX=m
+CONFIG_WLCORE=m
+CONFIG_WLCORE_SPI=m
+CONFIG_WLCORE_SDIO=m
+CONFIG_WL12XX_PLATFORM_DATA=y
+CONFIG_ZD1211RW=m
+# CONFIG_ZD1211RW_DEBUG is not set
+CONFIG_MWIFIEX=m
+CONFIG_MWIFIEX_SDIO=m
+CONFIG_MWIFIEX_PCIE=m
+CONFIG_MWIFIEX_USB=m
+
+#
+# WiMAX Wireless Broadband devices
+#
+CONFIG_WIMAX_I2400M=m
+CONFIG_WIMAX_I2400M_USB=m
+CONFIG_WIMAX_I2400M_DEBUG_LEVEL=8
+CONFIG_WAN=y
+CONFIG_LANMEDIA=m
+CONFIG_HDLC=m
+CONFIG_HDLC_RAW=m
+CONFIG_HDLC_RAW_ETH=m
+CONFIG_HDLC_CISCO=m
+CONFIG_HDLC_FR=m
+CONFIG_HDLC_PPP=m
+CONFIG_HDLC_X25=m
+CONFIG_PCI200SYN=m
+CONFIG_WANXL=m
+# CONFIG_WANXL_BUILD_FIRMWARE is not set
+CONFIG_PC300TOO=m
+CONFIG_FARSYNC=m
+CONFIG_DSCC4=m
+CONFIG_DSCC4_PCISYNC=y
+CONFIG_DSCC4_PCI_RST=y
+CONFIG_DLCI=m
+CONFIG_DLCI_MAX=8
+CONFIG_WAN_ROUTER_DRIVERS=m
+CONFIG_CYCLADES_SYNC=m
+CONFIG_CYCLOMX_X25=y
+CONFIG_LAPBETHER=m
+CONFIG_X25_ASY=m
+CONFIG_SBNI=m
+CONFIG_SBNI_MULTILINE=y
+CONFIG_VMXNET3=m
+CONFIG_HYPERV_NET=m
+CONFIG_ISDN=y
+# CONFIG_ISDN_I4L is not set
+CONFIG_ISDN_CAPI=m
+# CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON is not set
+# CONFIG_CAPI_TRACE is not set
+CONFIG_ISDN_CAPI_MIDDLEWARE=y
+CONFIG_ISDN_CAPI_CAPI20=m
+
+#
+# CAPI hardware drivers
+#
+CONFIG_CAPI_AVM=y
+CONFIG_ISDN_DRV_AVMB1_B1PCI=m
+CONFIG_ISDN_DRV_AVMB1_B1PCIV4=y
+CONFIG_ISDN_DRV_AVMB1_B1PCMCIA=m
+CONFIG_ISDN_DRV_AVMB1_AVM_CS=m
+CONFIG_ISDN_DRV_AVMB1_T1PCI=m
+CONFIG_ISDN_DRV_AVMB1_C4=m
+CONFIG_CAPI_EICON=y
+CONFIG_ISDN_DIVAS=m
+CONFIG_ISDN_DIVAS_BRIPCI=y
+CONFIG_ISDN_DIVAS_PRIPCI=y
+CONFIG_ISDN_DIVAS_DIVACAPI=m
+CONFIG_ISDN_DIVAS_USERIDI=m
+CONFIG_ISDN_DIVAS_MAINT=m
+CONFIG_ISDN_DRV_GIGASET=m
+CONFIG_GIGASET_CAPI=y
+# CONFIG_GIGASET_DUMMYLL is not set
+CONFIG_GIGASET_BASE=m
+CONFIG_GIGASET_M105=m
+CONFIG_GIGASET_M101=m
+# CONFIG_GIGASET_DEBUG is not set
+CONFIG_HYSDN=m
+CONFIG_HYSDN_CAPI=y
+CONFIG_MISDN=m
+CONFIG_MISDN_DSP=m
+CONFIG_MISDN_L1OIP=m
+
+#
+# mISDN hardware drivers
+#
+CONFIG_MISDN_HFCPCI=m
+CONFIG_MISDN_HFCMULTI=m
+CONFIG_MISDN_HFCUSB=m
+CONFIG_MISDN_AVMFRITZ=m
+# CONFIG_MISDN_SPEEDFAX is not set
+# CONFIG_MISDN_INFINEON is not set
+# CONFIG_MISDN_W6692 is not set
+# CONFIG_MISDN_NETJET is not set
+CONFIG_MISDN_IPAC=m
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+CONFIG_INPUT_FF_MEMLESS=m
+CONFIG_INPUT_POLLDEV=m
+CONFIG_INPUT_SPARSEKMAP=m
+# CONFIG_INPUT_MATRIXKMAP is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=m
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+CONFIG_INPUT_JOYDEV=m
+CONFIG_INPUT_EVDEV=m
+CONFIG_INPUT_EVBUG=m
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ADP5588 is not set
+# CONFIG_KEYBOARD_ADP5589 is not set
+CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_KEYBOARD_QT1070 is not set
+# CONFIG_KEYBOARD_QT2160 is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_GPIO_POLLED is not set
+# CONFIG_KEYBOARD_TCA6416 is not set
+# CONFIG_KEYBOARD_TCA8418 is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_LM8323 is not set
+# CONFIG_KEYBOARD_LM8333 is not set
+# CONFIG_KEYBOARD_MAX7359 is not set
+# CONFIG_KEYBOARD_MCS is not set
+# CONFIG_KEYBOARD_MPR121 is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_OMAP4 is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+CONFIG_INPUT_MOUSE=y
+CONFIG_MOUSE_PS2=m
+CONFIG_MOUSE_PS2_ALPS=y
+CONFIG_MOUSE_PS2_LOGIPS2PP=y
+CONFIG_MOUSE_PS2_SYNAPTICS=y
+CONFIG_MOUSE_PS2_LIFEBOOK=y
+CONFIG_MOUSE_PS2_TRACKPOINT=y
+# CONFIG_MOUSE_PS2_ELANTECH is not set
+# CONFIG_MOUSE_PS2_SENTELIC is not set
+# CONFIG_MOUSE_PS2_TOUCHKIT is not set
+CONFIG_MOUSE_SERIAL=m
+CONFIG_MOUSE_APPLETOUCH=m
+CONFIG_MOUSE_BCM5974=m
+CONFIG_MOUSE_VSXXXAA=m
+CONFIG_MOUSE_GPIO=m
+CONFIG_MOUSE_SYNAPTICS_I2C=m
+CONFIG_MOUSE_SYNAPTICS_USB=m
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_ADS7846=m
+CONFIG_TOUCHSCREEN_AD7877=m
+CONFIG_TOUCHSCREEN_AD7879=m
+CONFIG_TOUCHSCREEN_AD7879_I2C=m
+CONFIG_TOUCHSCREEN_AD7879_SPI=m
+CONFIG_TOUCHSCREEN_ATMEL_MXT=m
+# CONFIG_TOUCHSCREEN_AUO_PIXCIR is not set
+CONFIG_TOUCHSCREEN_BU21013=m
+CONFIG_TOUCHSCREEN_CY8CTMG110=m
+# CONFIG_TOUCHSCREEN_CYTTSP_CORE is not set
+CONFIG_TOUCHSCREEN_DYNAPRO=m
+CONFIG_TOUCHSCREEN_HAMPSHIRE=m
+CONFIG_TOUCHSCREEN_EETI=m
+CONFIG_TOUCHSCREEN_EGALAX=m
+CONFIG_TOUCHSCREEN_FUJITSU=m
+# CONFIG_TOUCHSCREEN_ILI210X is not set
+CONFIG_TOUCHSCREEN_GUNZE=m
+CONFIG_TOUCHSCREEN_ELO=m
+CONFIG_TOUCHSCREEN_WACOM_W8001=m
+# CONFIG_TOUCHSCREEN_WACOM_I2C is not set
+# CONFIG_TOUCHSCREEN_MAX11801 is not set
+# CONFIG_TOUCHSCREEN_MCS5000 is not set
+# CONFIG_TOUCHSCREEN_MMS114 is not set
+CONFIG_TOUCHSCREEN_MTOUCH=m
+CONFIG_TOUCHSCREEN_INEXIO=m
+CONFIG_TOUCHSCREEN_MK712=m
+CONFIG_TOUCHSCREEN_PENMOUNT=m
+# CONFIG_TOUCHSCREEN_EDT_FT5X06 is not set
+CONFIG_TOUCHSCREEN_TOUCHRIGHT=m
+CONFIG_TOUCHSCREEN_TOUCHWIN=m
+CONFIG_TOUCHSCREEN_UCB1400=m
+CONFIG_TOUCHSCREEN_PIXCIR=m
+CONFIG_TOUCHSCREEN_WM97XX=m
+CONFIG_TOUCHSCREEN_WM9705=y
+CONFIG_TOUCHSCREEN_WM9712=y
+CONFIG_TOUCHSCREEN_WM9713=y
+CONFIG_TOUCHSCREEN_USB_COMPOSITE=m
+CONFIG_TOUCHSCREEN_USB_EGALAX=y
+CONFIG_TOUCHSCREEN_USB_PANJIT=y
+CONFIG_TOUCHSCREEN_USB_3M=y
+CONFIG_TOUCHSCREEN_USB_ITM=y
+CONFIG_TOUCHSCREEN_USB_ETURBO=y
+CONFIG_TOUCHSCREEN_USB_GUNZE=y
+CONFIG_TOUCHSCREEN_USB_DMC_TSC10=y
+CONFIG_TOUCHSCREEN_USB_IRTOUCH=y
+CONFIG_TOUCHSCREEN_USB_IDEALTEK=y
+CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH=y
+CONFIG_TOUCHSCREEN_USB_GOTOP=y
+CONFIG_TOUCHSCREEN_USB_JASTEC=y
+CONFIG_TOUCHSCREEN_USB_ELO=y
+CONFIG_TOUCHSCREEN_USB_E2I=y
+CONFIG_TOUCHSCREEN_USB_ZYTRONIC=y
+CONFIG_TOUCHSCREEN_USB_ETT_TC45USB=y
+CONFIG_TOUCHSCREEN_USB_NEXIO=y
+# CONFIG_TOUCHSCREEN_USB_EASYTOUCH is not set
+CONFIG_TOUCHSCREEN_TOUCHIT213=m
+CONFIG_TOUCHSCREEN_TSC_SERIO=m
+# CONFIG_TOUCHSCREEN_TSC2005 is not set
+CONFIG_TOUCHSCREEN_TSC2007=m
+CONFIG_TOUCHSCREEN_ST1232=m
+CONFIG_TOUCHSCREEN_TPS6507X=m
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_AD714X=m
+CONFIG_INPUT_AD714X_I2C=m
+CONFIG_INPUT_AD714X_SPI=m
+# CONFIG_INPUT_BMA150 is not set
+CONFIG_INPUT_PCSPKR=m
+CONFIG_INPUT_MMA8450=m
+CONFIG_INPUT_MPU3050=m
+CONFIG_INPUT_APANEL=m
+# CONFIG_INPUT_GP2A is not set
+# CONFIG_INPUT_GPIO_TILT_POLLED is not set
+# CONFIG_INPUT_WISTRON_BTNS is not set
+CONFIG_INPUT_ATLAS_BTNS=m
+CONFIG_INPUT_ATI_REMOTE2=m
+CONFIG_INPUT_KEYSPAN_REMOTE=m
+CONFIG_INPUT_KXTJ9=m
+# CONFIG_INPUT_KXTJ9_POLLED_MODE is not set
+CONFIG_INPUT_POWERMATE=m
+CONFIG_INPUT_YEALINK=m
+CONFIG_INPUT_CM109=m
+CONFIG_INPUT_UINPUT=m
+CONFIG_INPUT_PCF50633_PMU=m
+CONFIG_INPUT_PCF8574=m
+CONFIG_INPUT_GPIO_ROTARY_ENCODER=m
+CONFIG_INPUT_ADXL34X=m
+CONFIG_INPUT_ADXL34X_I2C=m
+CONFIG_INPUT_ADXL34X_SPI=m
+CONFIG_INPUT_CMA3000=m
+CONFIG_INPUT_CMA3000_I2C=m
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_I8042=y
+CONFIG_SERIO_SERPORT=m
+CONFIG_SERIO_CT82C710=m
+CONFIG_SERIO_PARKBD=m
+CONFIG_SERIO_PCIPS2=m
+CONFIG_SERIO_LIBPS2=y
+CONFIG_SERIO_RAW=m
+CONFIG_SERIO_ALTERA_PS2=m
+CONFIG_SERIO_PS2MULT=m
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_VT_CONSOLE_SLEEP=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_UNIX98_PTYS=y
+CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
+# CONFIG_LEGACY_PTYS is not set
+CONFIG_SERIAL_NONSTANDARD=y
+CONFIG_ROCKETPORT=m
+CONFIG_CYCLADES=m
+# CONFIG_CYZ_INTR is not set
+CONFIG_MOXA_INTELLIO=m
+CONFIG_MOXA_SMARTIO=m
+CONFIG_SYNCLINK=m
+CONFIG_SYNCLINKMP=m
+CONFIG_SYNCLINK_GT=m
+CONFIG_NOZOMI=m
+CONFIG_ISI=m
+CONFIG_N_HDLC=m
+# CONFIG_N_GSM is not set
+# CONFIG_TRACE_SINK is not set
+# CONFIG_DEVKMEM is not set
+CONFIG_STALDRV=y
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_FIX_EARLYCON_MEM=y
+CONFIG_SERIAL_8250_PCI=y
+CONFIG_SERIAL_8250_PNP=y
+CONFIG_SERIAL_8250_CS=m
+CONFIG_SERIAL_8250_NR_UARTS=16
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+CONFIG_SERIAL_8250_EXTENDED=y
+CONFIG_SERIAL_8250_MANY_PORTS=y
+CONFIG_SERIAL_8250_SHARE_IRQ=y
+# CONFIG_SERIAL_8250_DETECT_IRQ is not set
+CONFIG_SERIAL_8250_RSA=y
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_MAX3100=m
+CONFIG_SERIAL_MAX3107=m
+CONFIG_SERIAL_MRST_MAX3110=m
+CONFIG_SERIAL_MFD_HSU=m
+CONFIG_SERIAL_UARTLITE=m
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_SERIAL_JSM=m
+CONFIG_SERIAL_TIMBERDALE=m
+CONFIG_SERIAL_ALTERA_JTAGUART=m
+CONFIG_SERIAL_ALTERA_UART=m
+CONFIG_SERIAL_ALTERA_UART_MAXPORTS=4
+CONFIG_SERIAL_ALTERA_UART_BAUDRATE=115200
+CONFIG_SERIAL_IFX6X60=m
+CONFIG_SERIAL_PCH_UART=m
+# CONFIG_SERIAL_XILINX_PS_UART is not set
+# CONFIG_TTY_PRINTK is not set
+CONFIG_PRINTER=m
+# CONFIG_LP_CONSOLE is not set
+CONFIG_PPDEV=m
+CONFIG_HVC_DRIVER=y
+CONFIG_VIRTIO_CONSOLE=m
+CONFIG_IPMI_HANDLER=m
+# CONFIG_IPMI_PANIC_EVENT is not set
+CONFIG_IPMI_DEVICE_INTERFACE=m
+CONFIG_IPMI_SI=m
+CONFIG_IPMI_WATCHDOG=m
+CONFIG_IPMI_POWEROFF=m
+CONFIG_HW_RANDOM=m
+CONFIG_HW_RANDOM_TIMERIOMEM=m
+CONFIG_HW_RANDOM_INTEL=m
+CONFIG_HW_RANDOM_AMD=m
+CONFIG_HW_RANDOM_GEODE=m
+CONFIG_HW_RANDOM_VIA=m
+CONFIG_HW_RANDOM_VIRTIO=m
+CONFIG_NVRAM=m
+CONFIG_R3964=m
+CONFIG_APPLICOM=m
+# CONFIG_SONYPI is not set
+
+#
+# PCMCIA character devices
+#
+CONFIG_SYNCLINK_CS=m
+CONFIG_CARDMAN_4000=m
+CONFIG_CARDMAN_4040=m
+CONFIG_IPWIRELESS=m
+CONFIG_MWAVE=m
+# CONFIG_PC8736x_GPIO is not set
+# CONFIG_NSC_GPIO is not set
+CONFIG_RAW_DRIVER=m
+CONFIG_MAX_RAW_DEVS=256
+CONFIG_HPET=y
+CONFIG_HPET_MMAP=y
+CONFIG_HANGCHECK_TIMER=m
+CONFIG_TCG_TPM=m
+CONFIG_TCG_TIS=m
+CONFIG_TCG_NSC=m
+CONFIG_TCG_ATMEL=m
+CONFIG_TCG_INFINEON=m
+CONFIG_TELCLOCK=m
+CONFIG_DEVPORT=y
+CONFIG_I2C=m
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
+CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_MUX=m
+
+#
+# Multiplexer I2C Chip support
+#
+CONFIG_I2C_MUX_GPIO=m
+CONFIG_I2C_MUX_PCA9541=m
+CONFIG_I2C_MUX_PCA954x=m
+CONFIG_I2C_HELPER_AUTO=y
+CONFIG_I2C_SMBUS=m
+CONFIG_I2C_ALGOBIT=m
+CONFIG_I2C_ALGOPCA=m
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# PC SMBus host controller drivers
+#
+CONFIG_I2C_ALI1535=m
+CONFIG_I2C_ALI1563=m
+CONFIG_I2C_ALI15X3=m
+CONFIG_I2C_AMD756=m
+CONFIG_I2C_AMD756_S4882=m
+CONFIG_I2C_AMD8111=m
+CONFIG_I2C_I801=m
+CONFIG_I2C_ISCH=m
+CONFIG_I2C_PIIX4=m
+CONFIG_I2C_NFORCE2=m
+CONFIG_I2C_NFORCE2_S4985=m
+CONFIG_I2C_SIS5595=m
+CONFIG_I2C_SIS630=m
+CONFIG_I2C_SIS96X=m
+CONFIG_I2C_VIA=m
+CONFIG_I2C_VIAPRO=m
+
+#
+# ACPI drivers
+#
+CONFIG_I2C_SCMI=m
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE_PCI is not set
+CONFIG_I2C_EG20T=m
+CONFIG_I2C_GPIO=m
+CONFIG_I2C_INTEL_MID=m
+CONFIG_I2C_OCORES=m
+CONFIG_I2C_PCA_PLATFORM=m
+# CONFIG_I2C_PXA_PCI is not set
+CONFIG_I2C_SIMTEC=m
+CONFIG_I2C_XILINX=m
+
+#
+# External I2C/SMBus adapter drivers
+#
+CONFIG_I2C_DIOLAN_U2C=m
+CONFIG_I2C_PARPORT=m
+CONFIG_I2C_PARPORT_LIGHT=m
+CONFIG_I2C_TAOS_EVM=m
+CONFIG_I2C_TINY_USB=m
+
+#
+# Other I2C/SMBus bus drivers
+#
+CONFIG_I2C_STUB=m
+# CONFIG_SCx200_ACB is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+# CONFIG_SPI_ALTERA is not set
+CONFIG_SPI_BITBANG=m
+CONFIG_SPI_BUTTERFLY=m
+CONFIG_SPI_GPIO=m
+CONFIG_SPI_LM70_LLP=m
+# CONFIG_SPI_OC_TINY is not set
+CONFIG_SPI_PXA2XX=m
+CONFIG_SPI_PXA2XX_PCI=y
+CONFIG_SPI_TOPCLIFF_PCH=m
+CONFIG_SPI_XCOMM=m
+# CONFIG_SPI_XILINX is not set
+CONFIG_SPI_DESIGNWARE=m
+CONFIG_SPI_DW_PCI=m
+
+#
+# SPI Protocol Masters
+#
+CONFIG_SPI_SPIDEV=m
+CONFIG_SPI_TLE62X0=m
+# CONFIG_HSI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+
+#
+# PPS generators support
+#
+
+#
+# PTP clock support
+#
+
+#
+# Enable Device Drivers -> PPS to see the PTP clock options.
+#
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+CONFIG_GPIO_MAX730X=m
+
+#
+# Memory mapped GPIO drivers:
+#
+# CONFIG_GPIO_GENERIC_PLATFORM is not set
+CONFIG_GPIO_IT8761E=m
+CONFIG_GPIO_SCH=m
+CONFIG_GPIO_ICH=m
+CONFIG_GPIO_VX855=m
+
+#
+# I2C GPIO expanders:
+#
+CONFIG_GPIO_MAX7300=m
+CONFIG_GPIO_MAX732X=m
+CONFIG_GPIO_PCA953X=m
+CONFIG_GPIO_PCF857X=m
+CONFIG_GPIO_ADP5588=m
+
+#
+# PCI GPIO expanders:
+#
+CONFIG_GPIO_CS5535=m
+CONFIG_GPIO_BT8XX=m
+CONFIG_GPIO_AMD8111=m
+# CONFIG_GPIO_LANGWELL is not set
+CONFIG_GPIO_PCH=m
+CONFIG_GPIO_ML_IOH=m
+CONFIG_GPIO_TIMBERDALE=y
+CONFIG_GPIO_RDC321X=m
+
+#
+# SPI GPIO expanders:
+#
+CONFIG_GPIO_MAX7301=m
+CONFIG_GPIO_MCP23S08=m
+# CONFIG_GPIO_MC33880 is not set
+CONFIG_GPIO_74X164=m
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_GPIO_UCB1400 is not set
+
+#
+# MODULbus GPIO expanders:
+#
+CONFIG_GPIO_JANZ_TTL=m
+# CONFIG_W1 is not set
+CONFIG_POWER_SUPPLY=y
+# CONFIG_POWER_SUPPLY_DEBUG is not set
+# CONFIG_PDA_POWER is not set
+# CONFIG_TEST_POWER is not set
+# CONFIG_BATTERY_DS2780 is not set
+# CONFIG_BATTERY_DS2781 is not set
+# CONFIG_BATTERY_DS2782 is not set
+# CONFIG_BATTERY_SBS is not set
+# CONFIG_BATTERY_BQ27x00 is not set
+# CONFIG_BATTERY_MAX17040 is not set
+# CONFIG_BATTERY_MAX17042 is not set
+# CONFIG_CHARGER_PCF50633 is not set
+# CONFIG_CHARGER_ISP1704 is not set
+# CONFIG_CHARGER_MAX8903 is not set
+# CONFIG_CHARGER_LP8727 is not set
+# CONFIG_CHARGER_GPIO is not set
+# CONFIG_CHARGER_SMB347 is not set
+# CONFIG_POWER_AVS is not set
+CONFIG_HWMON=m
+CONFIG_HWMON_VID=m
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Native drivers
+#
+CONFIG_SENSORS_ABITUGURU=m
+CONFIG_SENSORS_ABITUGURU3=m
+CONFIG_SENSORS_AD7314=m
+CONFIG_SENSORS_AD7414=m
+CONFIG_SENSORS_AD7418=m
+CONFIG_SENSORS_ADCXX=m
+CONFIG_SENSORS_ADM1021=m
+CONFIG_SENSORS_ADM1025=m
+CONFIG_SENSORS_ADM1026=m
+CONFIG_SENSORS_ADM1029=m
+CONFIG_SENSORS_ADM1031=m
+CONFIG_SENSORS_ADM9240=m
+CONFIG_SENSORS_ADT7411=m
+CONFIG_SENSORS_ADT7462=m
+CONFIG_SENSORS_ADT7470=m
+CONFIG_SENSORS_ADT7475=m
+CONFIG_SENSORS_ASC7621=m
+CONFIG_SENSORS_K8TEMP=m
+CONFIG_SENSORS_K10TEMP=m
+CONFIG_SENSORS_FAM15H_POWER=m
+CONFIG_SENSORS_ASB100=m
+CONFIG_SENSORS_ATXP1=m
+CONFIG_SENSORS_DS620=m
+CONFIG_SENSORS_DS1621=m
+CONFIG_SENSORS_I5K_AMB=m
+CONFIG_SENSORS_F71805F=m
+CONFIG_SENSORS_F71882FG=m
+CONFIG_SENSORS_F75375S=m
+CONFIG_SENSORS_FSCHMD=m
+CONFIG_SENSORS_G760A=m
+CONFIG_SENSORS_GL518SM=m
+CONFIG_SENSORS_GL520SM=m
+CONFIG_SENSORS_GPIO_FAN=m
+# CONFIG_SENSORS_HIH6130 is not set
+CONFIG_SENSORS_CORETEMP=m
+CONFIG_SENSORS_IBMAEM=m
+CONFIG_SENSORS_IBMPEX=m
+CONFIG_SENSORS_IT87=m
+CONFIG_SENSORS_JC42=m
+CONFIG_SENSORS_LINEAGE=m
+CONFIG_SENSORS_LM63=m
+CONFIG_SENSORS_LM70=m
+CONFIG_SENSORS_LM73=m
+CONFIG_SENSORS_LM75=m
+CONFIG_SENSORS_LM77=m
+CONFIG_SENSORS_LM78=m
+CONFIG_SENSORS_LM80=m
+CONFIG_SENSORS_LM83=m
+CONFIG_SENSORS_LM85=m
+CONFIG_SENSORS_LM87=m
+CONFIG_SENSORS_LM90=m
+CONFIG_SENSORS_LM92=m
+CONFIG_SENSORS_LM93=m
+CONFIG_SENSORS_LTC4151=m
+CONFIG_SENSORS_LTC4215=m
+CONFIG_SENSORS_LTC4245=m
+CONFIG_SENSORS_LTC4261=m
+CONFIG_SENSORS_LM95241=m
+CONFIG_SENSORS_LM95245=m
+CONFIG_SENSORS_MAX1111=m
+CONFIG_SENSORS_MAX16065=m
+CONFIG_SENSORS_MAX1619=m
+CONFIG_SENSORS_MAX1668=m
+CONFIG_SENSORS_MAX6639=m
+CONFIG_SENSORS_MAX6642=m
+CONFIG_SENSORS_MAX6650=m
+CONFIG_SENSORS_MCP3021=m
+CONFIG_SENSORS_NTC_THERMISTOR=m
+CONFIG_SENSORS_PC87360=m
+CONFIG_SENSORS_PC87427=m
+CONFIG_SENSORS_PCF8591=m
+CONFIG_PMBUS=m
+CONFIG_SENSORS_PMBUS=m
+CONFIG_SENSORS_ADM1275=m
+CONFIG_SENSORS_LM25066=m
+CONFIG_SENSORS_LTC2978=m
+CONFIG_SENSORS_MAX16064=m
+CONFIG_SENSORS_MAX34440=m
+CONFIG_SENSORS_MAX8688=m
+CONFIG_SENSORS_UCD9000=m
+CONFIG_SENSORS_UCD9200=m
+CONFIG_SENSORS_ZL6100=m
+CONFIG_SENSORS_SHT15=m
+CONFIG_SENSORS_SHT21=m
+CONFIG_SENSORS_SIS5595=m
+CONFIG_SENSORS_SMM665=m
+CONFIG_SENSORS_DME1737=m
+CONFIG_SENSORS_EMC1403=m
+CONFIG_SENSORS_EMC2103=m
+CONFIG_SENSORS_EMC6W201=m
+CONFIG_SENSORS_SMSC47M1=m
+CONFIG_SENSORS_SMSC47M192=m
+CONFIG_SENSORS_SMSC47B397=m
+CONFIG_SENSORS_SCH56XX_COMMON=m
+CONFIG_SENSORS_SCH5627=m
+CONFIG_SENSORS_SCH5636=m
+CONFIG_SENSORS_ADS1015=m
+CONFIG_SENSORS_ADS7828=m
+CONFIG_SENSORS_ADS7871=m
+CONFIG_SENSORS_AMC6821=m
+# CONFIG_SENSORS_INA2XX is not set
+CONFIG_SENSORS_THMC50=m
+CONFIG_SENSORS_TMP102=m
+CONFIG_SENSORS_TMP401=m
+CONFIG_SENSORS_TMP421=m
+CONFIG_SENSORS_VIA_CPUTEMP=m
+CONFIG_SENSORS_VIA686A=m
+CONFIG_SENSORS_VT1211=m
+CONFIG_SENSORS_VT8231=m
+CONFIG_SENSORS_W83781D=m
+CONFIG_SENSORS_W83791D=m
+CONFIG_SENSORS_W83792D=m
+CONFIG_SENSORS_W83793=m
+CONFIG_SENSORS_W83795=m
+CONFIG_SENSORS_W83795_FANCTRL=y
+CONFIG_SENSORS_W83L785TS=m
+CONFIG_SENSORS_W83L786NG=m
+CONFIG_SENSORS_W83627HF=m
+CONFIG_SENSORS_W83627EHF=m
+CONFIG_SENSORS_APPLESMC=m
+
+#
+# ACPI drivers
+#
+CONFIG_SENSORS_ACPI_POWER=m
+CONFIG_SENSORS_ATK0110=m
+CONFIG_THERMAL=y
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_CORE=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+CONFIG_SOFT_WATCHDOG=m
+CONFIG_ACQUIRE_WDT=m
+CONFIG_ADVANTECH_WDT=m
+CONFIG_ALIM1535_WDT=m
+CONFIG_ALIM7101_WDT=m
+CONFIG_F71808E_WDT=m
+CONFIG_SP5100_TCO=m
+CONFIG_GEODE_WDT=m
+CONFIG_SC520_WDT=m
+# CONFIG_SBC_FITPC2_WATCHDOG is not set
+CONFIG_EUROTECH_WDT=m
+CONFIG_IB700_WDT=m
+CONFIG_IBMASR=m
+CONFIG_WAFER_WDT=m
+CONFIG_I6300ESB_WDT=m
+CONFIG_IE6XX_WDT=m
+CONFIG_ITCO_WDT=m
+CONFIG_ITCO_VENDOR_SUPPORT=y
+CONFIG_IT8712F_WDT=m
+CONFIG_IT87_WDT=m
+# CONFIG_HP_WATCHDOG is not set
+CONFIG_SC1200_WDT=m
+CONFIG_PC87413_WDT=m
+CONFIG_NV_TCO=m
+CONFIG_60XX_WDT=m
+CONFIG_SBC8360_WDT=m
+# CONFIG_SBC7240_WDT is not set
+CONFIG_CPU5_WDT=m
+CONFIG_SMSC_SCH311X_WDT=m
+CONFIG_SMSC37B787_WDT=m
+CONFIG_VIA_WDT=m
+CONFIG_W83627HF_WDT=m
+CONFIG_W83697HF_WDT=m
+CONFIG_W83697UG_WDT=m
+CONFIG_W83877F_WDT=m
+CONFIG_W83977F_WDT=m
+CONFIG_MACHZ_WDT=m
+CONFIG_SBC_EPX_C3_WATCHDOG=m
+
+#
+# PCI-based Watchdog Cards
+#
+CONFIG_PCIPCWATCHDOG=m
+CONFIG_WDTPCI=m
+
+#
+# USB-based Watchdog Cards
+#
+CONFIG_USBPCWATCHDOG=m
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+CONFIG_SSB=m
+CONFIG_SSB_SPROM=y
+CONFIG_SSB_BLOCKIO=y
+CONFIG_SSB_PCIHOST_POSSIBLE=y
+CONFIG_SSB_PCIHOST=y
+CONFIG_SSB_B43_PCI_BRIDGE=y
+CONFIG_SSB_PCMCIAHOST_POSSIBLE=y
+CONFIG_SSB_PCMCIAHOST=y
+CONFIG_SSB_SDIOHOST_POSSIBLE=y
+CONFIG_SSB_SDIOHOST=y
+# CONFIG_SSB_SILENT is not set
+# CONFIG_SSB_DEBUG is not set
+CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
+CONFIG_SSB_DRIVER_PCICORE=y
+CONFIG_BCMA_POSSIBLE=y
+
+#
+# Broadcom specific AMBA
+#
+# CONFIG_BCMA is not set
+
+#
+# Multifunction device drivers
+#
+CONFIG_MFD_CORE=m
+CONFIG_MFD_SM501=m
+# CONFIG_MFD_SM501_GPIO is not set
+CONFIG_HTC_PASIC3=m
+CONFIG_UCB1400_CORE=m
+# CONFIG_MFD_LM3533 is not set
+# CONFIG_TPS6105X is not set
+CONFIG_TPS65010=m
+CONFIG_TPS6507X=m
+# CONFIG_MFD_TPS65217 is not set
+# CONFIG_MFD_TPS65912_SPI is not set
+# CONFIG_MFD_STMPE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_DA9052_SPI is not set
+# CONFIG_MFD_ARIZONA_I2C is not set
+# CONFIG_MFD_ARIZONA_SPI is not set
+# CONFIG_MFD_WM831X_SPI is not set
+CONFIG_MFD_PCF50633=m
+CONFIG_PCF50633_ADC=m
+CONFIG_PCF50633_GPIO=m
+# CONFIG_MFD_MC13XXX_SPI is not set
+# CONFIG_MFD_MC13XXX_I2C is not set
+CONFIG_ABX500_CORE=y
+# CONFIG_EZX_PCAP is not set
+CONFIG_MFD_CS5535=m
+CONFIG_MFD_TIMBERDALE=m
+CONFIG_LPC_SCH=m
+CONFIG_LPC_ICH=m
+CONFIG_MFD_RDC321X=m
+CONFIG_MFD_JANZ_CMODIO=m
+CONFIG_MFD_VX855=m
+CONFIG_MFD_WL1273_CORE=m
+# CONFIG_REGULATOR is not set
+CONFIG_MEDIA_SUPPORT=m
+
+#
+# Multimedia core support
+#
+CONFIG_MEDIA_CAMERA_SUPPORT=y
+# CONFIG_MEDIA_ANALOG_TV_SUPPORT is not set
+CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
+# CONFIG_MEDIA_RADIO_SUPPORT is not set
+CONFIG_MEDIA_RC_SUPPORT=y
+CONFIG_MEDIA_CONTROLLER=y
+CONFIG_VIDEO_DEV=m
+CONFIG_VIDEO_V4L2_COMMON=m
+CONFIG_VIDEO_V4L2_SUBDEV_API=y
+CONFIG_DVB_CORE=m
+CONFIG_DVB_NET=y
+
+#
+# Media drivers
+#
+CONFIG_VIDEO_SAA7146=m
+CONFIG_VIDEO_SAA7146_VV=m
+CONFIG_RC_CORE=m
+CONFIG_RC_MAP=m
+CONFIG_RC_DECODERS=y
+# CONFIG_LIRC is not set
+CONFIG_IR_NEC_DECODER=m
+CONFIG_IR_RC5_DECODER=m
+CONFIG_IR_RC6_DECODER=m
+CONFIG_IR_JVC_DECODER=m
+CONFIG_IR_SONY_DECODER=m
+CONFIG_IR_RC5_SZ_DECODER=m
+CONFIG_IR_SANYO_DECODER=m
+CONFIG_IR_MCE_KBD_DECODER=m
+CONFIG_RC_DEVICES=y
+CONFIG_RC_ATI_REMOTE=m
+CONFIG_IR_ENE=m
+CONFIG_IR_IMON=m
+CONFIG_IR_MCEUSB=m
+CONFIG_IR_ITE_CIR=m
+CONFIG_IR_FINTEK=m
+CONFIG_IR_NUVOTON=m
+CONFIG_IR_REDRAT3=m
+CONFIG_IR_STREAMZAP=m
+CONFIG_IR_WINBOND_CIR=m
+CONFIG_IR_IGUANA=m
+CONFIG_RC_LOOPBACK=m
+CONFIG_IR_GPIO_CIR=m
+CONFIG_MEDIA_ATTACH=y
+CONFIG_MEDIA_TUNER_SIMPLE=m
+CONFIG_MEDIA_TUNER_TDA827X=m
+CONFIG_MEDIA_TUNER_TDA18271=m
+CONFIG_MEDIA_TUNER_TDA9887=m
+CONFIG_MEDIA_TUNER_MT2060=m
+CONFIG_MEDIA_TUNER_MT2063=m
+CONFIG_MEDIA_TUNER_MT2266=m
+CONFIG_MEDIA_TUNER_MT2131=m
+CONFIG_MEDIA_TUNER_QT1010=m
+CONFIG_MEDIA_TUNER_XC2028=m
+CONFIG_MEDIA_TUNER_XC5000=m
+CONFIG_MEDIA_TUNER_XC4000=m
+CONFIG_MEDIA_TUNER_MXL5005S=m
+CONFIG_MEDIA_TUNER_MXL5007T=m
+CONFIG_MEDIA_TUNER_MC44S803=m
+CONFIG_MEDIA_TUNER_MAX2165=m
+CONFIG_MEDIA_TUNER_TDA18218=m
+CONFIG_MEDIA_TUNER_FC0011=m
+CONFIG_MEDIA_TUNER_FC0012=m
+CONFIG_MEDIA_TUNER_FC0013=m
+CONFIG_MEDIA_TUNER_TDA18212=m
+CONFIG_MEDIA_TUNER_TUA9001=m
+CONFIG_VIDEO_V4L2=m
+CONFIG_VIDEOBUF_GEN=m
+CONFIG_VIDEOBUF_DMA_SG=m
+CONFIG_VIDEOBUF_VMALLOC=m
+CONFIG_VIDEO_TVEEPROM=m
+CONFIG_VIDEO_TUNER=m
+CONFIG_V4L2_MEM2MEM_DEV=m
+CONFIG_VIDEOBUF2_CORE=m
+CONFIG_VIDEOBUF2_MEMOPS=m
+CONFIG_VIDEOBUF2_VMALLOC=m
+CONFIG_VIDEO_CAPTURE_DRIVERS=y
+# CONFIG_VIDEO_ADV_DEBUG is not set
+# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
+# CONFIG_VIDEO_HELPER_CHIPS_AUTO is not set
+CONFIG_VIDEO_IR_I2C=m
+
+#
+# Encoders, decoders, sensors and other helper chips
+#
+
+#
+# Audio decoders, processors and mixers
+#
+CONFIG_VIDEO_TVAUDIO=m
+CONFIG_VIDEO_TDA7432=m
+CONFIG_VIDEO_TDA9840=m
+CONFIG_VIDEO_TEA6415C=m
+CONFIG_VIDEO_TEA6420=m
+CONFIG_VIDEO_MSP3400=m
+CONFIG_VIDEO_CS5345=m
+CONFIG_VIDEO_CS53L32A=m
+CONFIG_VIDEO_TLV320AIC23B=m
+CONFIG_VIDEO_WM8775=m
+CONFIG_VIDEO_WM8739=m
+CONFIG_VIDEO_VP27SMPX=m
+
+#
+# RDS decoders
+#
+CONFIG_VIDEO_SAA6588=m
+
+#
+# Video decoders
+#
+CONFIG_VIDEO_ADV7180=m
+CONFIG_VIDEO_ADV7183=m
+CONFIG_VIDEO_BT819=m
+CONFIG_VIDEO_BT856=m
+CONFIG_VIDEO_BT866=m
+CONFIG_VIDEO_KS0127=m
+CONFIG_VIDEO_SAA7110=m
+CONFIG_VIDEO_SAA711X=m
+CONFIG_VIDEO_SAA7191=m
+CONFIG_VIDEO_TVP514X=m
+CONFIG_VIDEO_TVP5150=m
+CONFIG_VIDEO_TVP7002=m
+CONFIG_VIDEO_VPX3220=m
+
+#
+# Video and audio decoders
+#
+CONFIG_VIDEO_SAA717X=m
+CONFIG_VIDEO_CX25840=m
+
+#
+# MPEG video encoders
+#
+CONFIG_VIDEO_CX2341X=m
+
+#
+# Video encoders
+#
+CONFIG_VIDEO_SAA7127=m
+CONFIG_VIDEO_SAA7185=m
+CONFIG_VIDEO_ADV7170=m
+CONFIG_VIDEO_ADV7175=m
+CONFIG_VIDEO_ADV7343=m
+CONFIG_VIDEO_ADV7393=m
+CONFIG_VIDEO_AK881X=m
+
+#
+# Camera sensor devices
+#
+CONFIG_VIDEO_APTINA_PLL=m
+CONFIG_VIDEO_OV7670=m
+CONFIG_VIDEO_VS6624=m
+CONFIG_VIDEO_MT9M032=m
+CONFIG_VIDEO_MT9P031=m
+CONFIG_VIDEO_MT9T001=m
+CONFIG_VIDEO_MT9V011=m
+CONFIG_VIDEO_MT9V032=m
+CONFIG_VIDEO_TCM825X=m
+# CONFIG_VIDEO_SR030PC30 is not set
+CONFIG_VIDEO_NOON010PC30=m
+# CONFIG_VIDEO_M5MOLS is not set
+CONFIG_VIDEO_S5K6AA=m
+
+#
+# Flash devices
+#
+# CONFIG_VIDEO_ADP1653 is not set
+# CONFIG_VIDEO_AS3645A is not set
+
+#
+# Video improvement chips
+#
+CONFIG_VIDEO_UPD64031A=m
+CONFIG_VIDEO_UPD64083=m
+
+#
+# Miscelaneous helper chips
+#
+CONFIG_VIDEO_THS7303=m
+CONFIG_VIDEO_M52790=m
+# CONFIG_VIDEO_VIVI is not set
+CONFIG_V4L_USB_DRIVERS=y
+
+#
+# Webcam devices
+#
+CONFIG_USB_VIDEO_CLASS=m
+CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y
+CONFIG_USB_GSPCA=m
+CONFIG_USB_M5602=m
+CONFIG_USB_STV06XX=m
+CONFIG_USB_GL860=m
+CONFIG_USB_GSPCA_BENQ=m
+CONFIG_USB_GSPCA_CONEX=m
+CONFIG_USB_GSPCA_CPIA1=m
+CONFIG_USB_GSPCA_ETOMS=m
+CONFIG_USB_GSPCA_FINEPIX=m
+CONFIG_USB_GSPCA_JEILINJ=m
+CONFIG_USB_GSPCA_JL2005BCD=m
+CONFIG_USB_GSPCA_KINECT=m
+# CONFIG_USB_GSPCA_KONICA is not set
+CONFIG_USB_GSPCA_MARS=m
+CONFIG_USB_GSPCA_MR97310A=m
+CONFIG_USB_GSPCA_NW80X=m
+CONFIG_USB_GSPCA_OV519=m
+CONFIG_USB_GSPCA_OV534=m
+CONFIG_USB_GSPCA_OV534_9=m
+CONFIG_USB_GSPCA_PAC207=m
+CONFIG_USB_GSPCA_PAC7302=m
+CONFIG_USB_GSPCA_PAC7311=m
+CONFIG_USB_GSPCA_SE401=m
+CONFIG_USB_GSPCA_SN9C2028=m
+CONFIG_USB_GSPCA_SN9C20X=m
+CONFIG_USB_GSPCA_SONIXB=m
+CONFIG_USB_GSPCA_SONIXJ=m
+CONFIG_USB_GSPCA_SPCA500=m
+CONFIG_USB_GSPCA_SPCA501=m
+CONFIG_USB_GSPCA_SPCA505=m
+CONFIG_USB_GSPCA_SPCA506=m
+CONFIG_USB_GSPCA_SPCA508=m
+CONFIG_USB_GSPCA_SPCA561=m
+# CONFIG_USB_GSPCA_SPCA1528 is not set
+CONFIG_USB_GSPCA_SQ905=m
+CONFIG_USB_GSPCA_SQ905C=m
+# CONFIG_USB_GSPCA_SQ930X is not set
+CONFIG_USB_GSPCA_STK014=m
+CONFIG_USB_GSPCA_STV0680=m
+CONFIG_USB_GSPCA_SUNPLUS=m
+CONFIG_USB_GSPCA_T613=m
+CONFIG_USB_GSPCA_TOPRO=m
+CONFIG_USB_GSPCA_TV8532=m
+CONFIG_USB_GSPCA_VC032X=m
+CONFIG_USB_GSPCA_VICAM=m
+# CONFIG_USB_GSPCA_XIRLINK_CIT is not set
+CONFIG_USB_GSPCA_ZC3XX=m
+# CONFIG_USB_PWC is not set
+# CONFIG_VIDEO_CPIA2 is not set
+CONFIG_USB_ZR364XX=m
+CONFIG_USB_STKWEBCAM=m
+CONFIG_USB_S2255=m
+CONFIG_USB_SN9C102=m
+
+#
+# Webcam and/or TV USB devices
+#
+CONFIG_VIDEO_EM28XX=m
+CONFIG_VIDEO_EM28XX_ALSA=m
+# CONFIG_VIDEO_EM28XX_DVB is not set
+CONFIG_VIDEO_EM28XX_RC=m
+# CONFIG_V4L_ISA_PARPORT_DRIVERS is not set
+# CONFIG_V4L_PLATFORM_DRIVERS is not set
+CONFIG_V4L_MEM2MEM_DRIVERS=y
+CONFIG_VIDEO_MEM2MEM_TESTDEV=m
+CONFIG_DVB_MAX_ADAPTERS=8
+# CONFIG_DVB_DYNAMIC_MINORS is not set
+CONFIG_DVB_CAPTURE_DRIVERS=y
+
+#
+# Supported SAA7146 based PCI Adapters
+#
+CONFIG_TTPCI_EEPROM=m
+CONFIG_DVB_AV7110=m
+CONFIG_DVB_AV7110_OSD=y
+CONFIG_DVB_BUDGET_CORE=m
+CONFIG_DVB_BUDGET=m
+CONFIG_DVB_BUDGET_CI=m
+CONFIG_DVB_BUDGET_AV=m
+CONFIG_DVB_BUDGET_PATCH=m
+
+#
+# Supported USB Adapters
+#
+CONFIG_DVB_USB=m
+# CONFIG_DVB_USB_DEBUG is not set
+CONFIG_DVB_USB_A800=m
+CONFIG_DVB_USB_DIBUSB_MB=m
+# CONFIG_DVB_USB_DIBUSB_MB_FAULTY is not set
+CONFIG_DVB_USB_DIBUSB_MC=m
+CONFIG_DVB_USB_DIB0700=m
+CONFIG_DVB_USB_UMT_010=m
+CONFIG_DVB_USB_CXUSB=m
+CONFIG_DVB_USB_M920X=m
+CONFIG_DVB_USB_GL861=m
+CONFIG_DVB_USB_AU6610=m
+CONFIG_DVB_USB_DIGITV=m
+CONFIG_DVB_USB_VP7045=m
+CONFIG_DVB_USB_VP702X=m
+CONFIG_DVB_USB_GP8PSK=m
+CONFIG_DVB_USB_NOVA_T_USB2=m
+CONFIG_DVB_USB_TTUSB2=m
+CONFIG_DVB_USB_DTT200U=m
+CONFIG_DVB_USB_OPERA1=m
+CONFIG_DVB_USB_AF9005=m
+CONFIG_DVB_USB_AF9005_REMOTE=m
+CONFIG_DVB_USB_PCTV452E=m
+CONFIG_DVB_USB_DW2102=m
+CONFIG_DVB_USB_CINERGY_T2=m
+CONFIG_DVB_USB_ANYSEE=m
+CONFIG_DVB_USB_DTV5100=m
+CONFIG_DVB_USB_AF9015=m
+CONFIG_DVB_USB_CE6230=m
+CONFIG_DVB_USB_FRIIO=m
+CONFIG_DVB_USB_EC168=m
+CONFIG_DVB_USB_AZ6007=m
+CONFIG_DVB_USB_AZ6027=m
+CONFIG_DVB_USB_LME2510=m
+CONFIG_DVB_USB_TECHNISAT_USB2=m
+CONFIG_DVB_USB_IT913X=m
+CONFIG_DVB_USB_MXL111SF=m
+CONFIG_DVB_USB_RTL28XXU=m
+CONFIG_DVB_USB_AF9035=m
+CONFIG_DVB_TTUSB_BUDGET=m
+CONFIG_DVB_TTUSB_DEC=m
+CONFIG_SMS_SIANO_MDTV=m
+
+#
+# Siano module components
+#
+# CONFIG_SMS_USB_DRV is not set
+# CONFIG_SMS_SDIO_DRV is not set
+
+#
+# Supported FlexCopII (B2C2) Adapters
+#
+CONFIG_DVB_B2C2_FLEXCOP=m
+CONFIG_DVB_B2C2_FLEXCOP_PCI=m
+CONFIG_DVB_B2C2_FLEXCOP_USB=m
+# CONFIG_DVB_B2C2_FLEXCOP_DEBUG is not set
+
+#
+# Supported BT878 Adapters
+#
+
+#
+# Supported Pluto2 Adapters
+#
+CONFIG_DVB_PLUTO2=m
+
+#
+# Supported SDMC DM1105 Adapters
+#
+CONFIG_DVB_DM1105=m
+
+#
+# Supported FireWire (IEEE 1394) Adapters
+#
+CONFIG_DVB_FIREDTV=m
+CONFIG_DVB_FIREDTV_INPUT=y
+
+#
+# Supported Earthsoft PT1 Adapters
+#
+CONFIG_DVB_PT1=m
+
+#
+# Supported Mantis Adapters
+#
+CONFIG_MANTIS_CORE=m
+CONFIG_DVB_MANTIS=m
+CONFIG_DVB_HOPPER=m
+
+#
+# Supported nGene Adapters
+#
+CONFIG_DVB_NGENE=m
+
+#
+# Supported ddbridge ('Octopus') Adapters
+#
+CONFIG_DVB_DDBRIDGE=m
+
+#
+# Supported DVB Frontends
+#
+# CONFIG_DVB_FE_CUSTOMISE is not set
+
+#
+# Multistandard (satellite) frontends
+#
+CONFIG_DVB_STB0899=m
+CONFIG_DVB_STB6100=m
+CONFIG_DVB_STV090x=m
+CONFIG_DVB_STV6110x=m
+
+#
+# Multistandard (cable + terrestrial) frontends
+#
+CONFIG_DVB_DRXK=m
+CONFIG_DVB_TDA18271C2DD=m
+
+#
+# DVB-S (satellite) frontends
+#
+CONFIG_DVB_CX24123=m
+CONFIG_DVB_MT312=m
+CONFIG_DVB_ZL10039=m
+CONFIG_DVB_S5H1420=m
+CONFIG_DVB_STV0288=m
+CONFIG_DVB_STB6000=m
+CONFIG_DVB_STV0299=m
+CONFIG_DVB_STV6110=m
+CONFIG_DVB_STV0900=m
+CONFIG_DVB_TDA8083=m
+CONFIG_DVB_TDA10086=m
+CONFIG_DVB_TDA8261=m
+CONFIG_DVB_VES1X93=m
+CONFIG_DVB_TUNER_ITD1000=m
+CONFIG_DVB_TUNER_CX24113=m
+CONFIG_DVB_TDA826X=m
+CONFIG_DVB_TUA6100=m
+CONFIG_DVB_CX24116=m
+CONFIG_DVB_SI21XX=m
+CONFIG_DVB_DS3000=m
+CONFIG_DVB_MB86A16=m
+
+#
+# DVB-T (terrestrial) frontends
+#
+CONFIG_DVB_SP8870=m
+CONFIG_DVB_CX22700=m
+CONFIG_DVB_CX22702=m
+CONFIG_DVB_L64781=m
+CONFIG_DVB_TDA1004X=m
+CONFIG_DVB_NXT6000=m
+CONFIG_DVB_MT352=m
+CONFIG_DVB_ZL10353=m
+CONFIG_DVB_DIB3000MB=m
+CONFIG_DVB_DIB3000MC=m
+CONFIG_DVB_DIB7000M=m
+CONFIG_DVB_DIB7000P=m
+CONFIG_DVB_AF9013=m
+CONFIG_DVB_EC100=m
+CONFIG_DVB_CXD2820R=m
+CONFIG_DVB_RTL2830=m
+CONFIG_DVB_RTL2832=m
+
+#
+# DVB-C (cable) frontends
+#
+CONFIG_DVB_VES1820=m
+CONFIG_DVB_TDA10021=m
+CONFIG_DVB_TDA10023=m
+CONFIG_DVB_STV0297=m
+
+#
+# ATSC (North American/Korean Terrestrial/Cable DTV) frontends
+#
+CONFIG_DVB_NXT200X=m
+CONFIG_DVB_BCM3510=m
+CONFIG_DVB_LGDT330X=m
+CONFIG_DVB_LGDT3305=m
+CONFIG_DVB_LG2160=m
+CONFIG_DVB_S5H1411=m
+
+#
+# ISDB-T (terrestrial) frontends
+#
+CONFIG_DVB_DIB8000=m
+
+#
+# Digital terrestrial only tuners/PLL
+#
+CONFIG_DVB_PLL=m
+CONFIG_DVB_TUNER_DIB0070=m
+CONFIG_DVB_TUNER_DIB0090=m
+
+#
+# SEC control devices for DVB-S
+#
+CONFIG_DVB_LNBP21=m
+CONFIG_DVB_LNBP22=m
+CONFIG_DVB_ISL6421=m
+CONFIG_DVB_ISL6423=m
+CONFIG_DVB_LGS8GXX=m
+CONFIG_DVB_ATBM8830=m
+CONFIG_DVB_TDA665x=m
+CONFIG_DVB_IX2505V=m
+CONFIG_DVB_IT913X_FE=m
+CONFIG_DVB_M88RS2000=m
+CONFIG_DVB_AF9033=m
+
+#
+# Tools to develop new frontends
+#
+# CONFIG_DVB_DUMMY_FE is not set
+
+#
+# Graphics support
+#
+CONFIG_AGP=m
+# CONFIG_AGP_ALI is not set
+# CONFIG_AGP_ATI is not set
+# CONFIG_AGP_AMD is not set
+CONFIG_AGP_AMD64=m
+CONFIG_AGP_INTEL=m
+# CONFIG_AGP_NVIDIA is not set
+CONFIG_AGP_SIS=m
+# CONFIG_AGP_SWORKS is not set
+CONFIG_AGP_VIA=m
+# CONFIG_AGP_EFFICEON is not set
+CONFIG_VGA_ARB=y
+CONFIG_VGA_ARB_MAX_GPUS=16
+CONFIG_VGA_SWITCHEROO=y
+CONFIG_DRM=m
+CONFIG_DRM_KMS_HELPER=m
+# CONFIG_DRM_LOAD_EDID_FIRMWARE is not set
+CONFIG_DRM_TTM=m
+CONFIG_DRM_TDFX=m
+CONFIG_DRM_R128=m
+CONFIG_DRM_RADEON=m
+# CONFIG_DRM_RADEON_KMS is not set
+CONFIG_DRM_NOUVEAU=m
+CONFIG_DRM_NOUVEAU_BACKLIGHT=y
+CONFIG_DRM_NOUVEAU_DEBUG=y
+
+#
+# I2C encoder or helper chips
+#
+# CONFIG_DRM_I2C_CH7006 is not set
+CONFIG_DRM_I2C_SIL164=m
+CONFIG_DRM_I810=m
+CONFIG_DRM_I915=m
+# CONFIG_DRM_I915_KMS is not set
+CONFIG_DRM_MGA=m
+CONFIG_DRM_SIS=m
+CONFIG_DRM_VIA=m
+CONFIG_DRM_SAVAGE=m
+CONFIG_DRM_VMWGFX=m
+CONFIG_DRM_VMWGFX_FBCON=y
+CONFIG_DRM_GMA500=m
+CONFIG_DRM_GMA600=y
+CONFIG_DRM_GMA3600=y
+# CONFIG_DRM_UDL is not set
+CONFIG_DRM_AST=m
+CONFIG_DRM_MGAG200=m
+CONFIG_DRM_CIRRUS_QEMU=m
+# CONFIG_STUB_POULSBO is not set
+CONFIG_VGASTATE=m
+CONFIG_VIDEO_OUTPUT_CONTROL=m
+CONFIG_FB=m
+# CONFIG_FIRMWARE_EDID is not set
+CONFIG_FB_DDC=m
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_CFB_FILLRECT=m
+CONFIG_FB_CFB_COPYAREA=m
+CONFIG_FB_CFB_IMAGEBLIT=m
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+CONFIG_FB_SYS_FILLRECT=m
+CONFIG_FB_SYS_COPYAREA=m
+CONFIG_FB_SYS_IMAGEBLIT=m
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+CONFIG_FB_SYS_FOPS=m
+# CONFIG_FB_WMT_GE_ROPS is not set
+CONFIG_FB_DEFERRED_IO=y
+CONFIG_FB_HECUBA=m
+CONFIG_FB_SVGALIB=m
+# CONFIG_FB_MACMODES is not set
+CONFIG_FB_BACKLIGHT=y
+CONFIG_FB_MODE_HELPERS=y
+CONFIG_FB_TILEBLITTING=y
+
+#
+# Frame buffer hardware drivers
+#
+CONFIG_FB_CIRRUS=m
+CONFIG_FB_PM2=m
+CONFIG_FB_PM2_FIFO_DISCONNECT=y
+CONFIG_FB_CYBER2000=m
+CONFIG_FB_CYBER2000_DDC=y
+CONFIG_FB_ARC=m
+CONFIG_FB_VGA16=m
+CONFIG_FB_UVESA=m
+CONFIG_FB_N411=m
+CONFIG_FB_HGA=m
+CONFIG_FB_S1D13XXX=m
+CONFIG_FB_NVIDIA=m
+CONFIG_FB_NVIDIA_I2C=y
+# CONFIG_FB_NVIDIA_DEBUG is not set
+CONFIG_FB_NVIDIA_BACKLIGHT=y
+CONFIG_FB_RIVA=m
+CONFIG_FB_RIVA_I2C=y
+# CONFIG_FB_RIVA_DEBUG is not set
+CONFIG_FB_RIVA_BACKLIGHT=y
+# CONFIG_FB_I740 is not set
+# CONFIG_FB_I810 is not set
+CONFIG_FB_LE80578=m
+CONFIG_FB_CARILLO_RANCH=m
+CONFIG_FB_INTEL=m
+# CONFIG_FB_INTEL_DEBUG is not set
+CONFIG_FB_INTEL_I2C=y
+CONFIG_FB_MATROX=m
+CONFIG_FB_MATROX_MILLENIUM=y
+CONFIG_FB_MATROX_MYSTIQUE=y
+CONFIG_FB_MATROX_G=y
+CONFIG_FB_MATROX_I2C=m
+CONFIG_FB_MATROX_MAVEN=m
+CONFIG_FB_RADEON=m
+CONFIG_FB_RADEON_I2C=y
+CONFIG_FB_RADEON_BACKLIGHT=y
+# CONFIG_FB_RADEON_DEBUG is not set
+CONFIG_FB_ATY128=m
+CONFIG_FB_ATY128_BACKLIGHT=y
+CONFIG_FB_ATY=m
+CONFIG_FB_ATY_CT=y
+CONFIG_FB_ATY_GENERIC_LCD=y
+CONFIG_FB_ATY_GX=y
+CONFIG_FB_ATY_BACKLIGHT=y
+CONFIG_FB_S3=m
+CONFIG_FB_S3_DDC=y
+CONFIG_FB_SAVAGE=m
+CONFIG_FB_SAVAGE_I2C=y
+CONFIG_FB_SAVAGE_ACCEL=y
+CONFIG_FB_SIS=m
+CONFIG_FB_SIS_300=y
+CONFIG_FB_SIS_315=y
+CONFIG_FB_VIA=m
+# CONFIG_FB_VIA_DIRECT_PROCFS is not set
+CONFIG_FB_VIA_X_COMPATIBILITY=y
+CONFIG_FB_NEOMAGIC=m
+CONFIG_FB_KYRO=m
+CONFIG_FB_3DFX=m
+CONFIG_FB_3DFX_ACCEL=y
+CONFIG_FB_3DFX_I2C=y
+CONFIG_FB_VOODOO1=m
+CONFIG_FB_VT8623=m
+CONFIG_FB_TRIDENT=m
+CONFIG_FB_ARK=m
+CONFIG_FB_PM3=m
+CONFIG_FB_CARMINE=m
+CONFIG_FB_CARMINE_DRAM_EVAL=y
+# CONFIG_CARMINE_DRAM_CUSTOM is not set
+CONFIG_FB_GEODE=y
+CONFIG_FB_GEODE_LX=m
+CONFIG_FB_GEODE_GX=m
+CONFIG_FB_GEODE_GX1=m
+CONFIG_FB_TMIO=m
+CONFIG_FB_TMIO_ACCELL=y
+CONFIG_FB_SM501=m
+# CONFIG_FB_SMSCUFX is not set
+# CONFIG_FB_UDL is not set
+# CONFIG_FB_VIRTUAL is not set
+CONFIG_FB_METRONOME=m
+CONFIG_FB_MB862XX=m
+CONFIG_FB_MB862XX_PCI_GDC=y
+CONFIG_FB_MB862XX_I2C=y
+CONFIG_FB_BROADSHEET=m
+# CONFIG_FB_AUO_K190X is not set
+# CONFIG_EXYNOS_VIDEO is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_LCD_CLASS_DEVICE=m
+CONFIG_LCD_L4F00242T03=m
+CONFIG_LCD_LMS283GF05=m
+CONFIG_LCD_LTV350QV=m
+CONFIG_LCD_ILI9320=m
+CONFIG_LCD_TDO24M=m
+CONFIG_LCD_VGG2432A4=m
+CONFIG_LCD_PLATFORM=m
+CONFIG_LCD_S6E63M0=m
+# CONFIG_LCD_LD9040 is not set
+CONFIG_LCD_AMS369FG06=m
+CONFIG_BACKLIGHT_CLASS_DEVICE=m
+CONFIG_BACKLIGHT_GENERIC=m
+CONFIG_BACKLIGHT_PROGEAR=m
+CONFIG_BACKLIGHT_CARILLO_RANCH=m
+CONFIG_BACKLIGHT_PWM=m
+# CONFIG_BACKLIGHT_APPLE is not set
+CONFIG_BACKLIGHT_SAHARA=m
+CONFIG_BACKLIGHT_ADP8860=m
+# CONFIG_BACKLIGHT_ADP8870 is not set
+CONFIG_BACKLIGHT_PCF50633=m
+# CONFIG_BACKLIGHT_LP855X is not set
+# CONFIG_BACKLIGHT_OT200 is not set
+
+#
+# Console display driver support
+#
+CONFIG_VGA_CONSOLE=y
+# CONFIG_VGACON_SOFT_SCROLLBACK is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=m
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
+CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
+# CONFIG_FONTS is not set
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+# CONFIG_LOGO is not set
+CONFIG_SOUND=m
+CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
+CONFIG_SND=m
+CONFIG_SND_TIMER=m
+CONFIG_SND_PCM=m
+CONFIG_SND_HWDEP=m
+CONFIG_SND_RAWMIDI=m
+CONFIG_SND_JACK=y
+CONFIG_SND_SEQUENCER=m
+CONFIG_SND_SEQ_DUMMY=m
+CONFIG_SND_OSSEMUL=y
+CONFIG_SND_MIXER_OSS=m
+CONFIG_SND_PCM_OSS=m
+CONFIG_SND_PCM_OSS_PLUGINS=y
+CONFIG_SND_SEQUENCER_OSS=y
+CONFIG_SND_HRTIMER=m
+CONFIG_SND_SEQ_HRTIMER_DEFAULT=y
+CONFIG_SND_DYNAMIC_MINORS=y
+# CONFIG_SND_SUPPORT_OLD_API is not set
+# CONFIG_SND_VERBOSE_PROCFS is not set
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+CONFIG_SND_VMASTER=y
+CONFIG_SND_KCTL_JACK=y
+CONFIG_SND_DMA_SGBUF=y
+CONFIG_SND_RAWMIDI_SEQ=m
+CONFIG_SND_OPL3_LIB_SEQ=m
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+CONFIG_SND_EMU10K1_SEQ=m
+CONFIG_SND_MPU401_UART=m
+CONFIG_SND_OPL3_LIB=m
+CONFIG_SND_VX_LIB=m
+CONFIG_SND_AC97_CODEC=m
+CONFIG_SND_DRIVERS=y
+CONFIG_SND_PCSP=m
+CONFIG_SND_DUMMY=m
+# CONFIG_SND_ALOOP is not set
+CONFIG_SND_VIRMIDI=m
+CONFIG_SND_MTPAV=m
+CONFIG_SND_MTS64=m
+CONFIG_SND_SERIAL_U16550=m
+CONFIG_SND_MPU401=m
+CONFIG_SND_PORTMAN2X4=m
+CONFIG_SND_AC97_POWER_SAVE=y
+CONFIG_SND_AC97_POWER_SAVE_DEFAULT=0
+CONFIG_SND_SB_COMMON=m
+CONFIG_SND_SB16_DSP=m
+CONFIG_SND_TEA575X=m
+CONFIG_SND_PCI=y
+CONFIG_SND_AD1889=m
+CONFIG_SND_ALS300=m
+CONFIG_SND_ALS4000=m
+CONFIG_SND_ALI5451=m
+CONFIG_SND_ASIHPI=m
+CONFIG_SND_ATIIXP=m
+CONFIG_SND_ATIIXP_MODEM=m
+CONFIG_SND_AU8810=m
+CONFIG_SND_AU8820=m
+CONFIG_SND_AU8830=m
+CONFIG_SND_AW2=m
+CONFIG_SND_AZT3328=m
+CONFIG_SND_BT87X=m
+# CONFIG_SND_BT87X_OVERCLOCK is not set
+CONFIG_SND_CA0106=m
+CONFIG_SND_CMIPCI=m
+CONFIG_SND_OXYGEN_LIB=m
+CONFIG_SND_OXYGEN=m
+CONFIG_SND_CS4281=m
+CONFIG_SND_CS46XX=m
+CONFIG_SND_CS46XX_NEW_DSP=y
+CONFIG_SND_CS5530=m
+CONFIG_SND_CS5535AUDIO=m
+CONFIG_SND_CTXFI=m
+CONFIG_SND_DARLA20=m
+CONFIG_SND_GINA20=m
+CONFIG_SND_LAYLA20=m
+CONFIG_SND_DARLA24=m
+CONFIG_SND_GINA24=m
+CONFIG_SND_LAYLA24=m
+CONFIG_SND_MONA=m
+CONFIG_SND_MIA=m
+CONFIG_SND_ECHO3G=m
+CONFIG_SND_INDIGO=m
+CONFIG_SND_INDIGOIO=m
+CONFIG_SND_INDIGODJ=m
+CONFIG_SND_INDIGOIOX=m
+CONFIG_SND_INDIGODJX=m
+CONFIG_SND_EMU10K1=m
+CONFIG_SND_EMU10K1X=m
+CONFIG_SND_ENS1370=m
+CONFIG_SND_ENS1371=m
+CONFIG_SND_ES1938=m
+CONFIG_SND_ES1968=m
+CONFIG_SND_ES1968_INPUT=y
+CONFIG_SND_ES1968_RADIO=y
+CONFIG_SND_FM801=m
+# CONFIG_SND_FM801_TEA575X_BOOL is not set
+CONFIG_SND_HDA_INTEL=m
+CONFIG_SND_HDA_PREALLOC_SIZE=4096
+CONFIG_SND_HDA_HWDEP=y
+# CONFIG_SND_HDA_RECONFIG is not set
+CONFIG_SND_HDA_INPUT_BEEP=y
+CONFIG_SND_HDA_INPUT_BEEP_MODE=0
+CONFIG_SND_HDA_INPUT_JACK=y
+# CONFIG_SND_HDA_PATCH_LOADER is not set
+CONFIG_SND_HDA_CODEC_REALTEK=y
+CONFIG_SND_HDA_CODEC_ANALOG=y
+CONFIG_SND_HDA_CODEC_SIGMATEL=y
+CONFIG_SND_HDA_CODEC_VIA=y
+CONFIG_SND_HDA_CODEC_HDMI=y
+CONFIG_SND_HDA_CODEC_CIRRUS=y
+CONFIG_SND_HDA_CODEC_CONEXANT=y
+CONFIG_SND_HDA_CODEC_CA0110=y
+CONFIG_SND_HDA_CODEC_CA0132=y
+CONFIG_SND_HDA_CODEC_CMEDIA=y
+CONFIG_SND_HDA_CODEC_SI3054=y
+CONFIG_SND_HDA_GENERIC=y
+# CONFIG_SND_HDA_POWER_SAVE is not set
+CONFIG_SND_HDSP=m
+CONFIG_SND_HDSPM=m
+CONFIG_SND_ICE1712=m
+CONFIG_SND_ICE1724=m
+CONFIG_SND_INTEL8X0=m
+CONFIG_SND_INTEL8X0M=m
+CONFIG_SND_KORG1212=m
+CONFIG_SND_LOLA=m
+CONFIG_SND_LX6464ES=m
+CONFIG_SND_MAESTRO3=m
+CONFIG_SND_MAESTRO3_INPUT=y
+CONFIG_SND_MIXART=m
+CONFIG_SND_NM256=m
+CONFIG_SND_PCXHR=m
+CONFIG_SND_RIPTIDE=m
+CONFIG_SND_RME32=m
+CONFIG_SND_RME96=m
+CONFIG_SND_RME9652=m
+# CONFIG_SND_SIS7019 is not set
+CONFIG_SND_SONICVIBES=m
+CONFIG_SND_TRIDENT=m
+CONFIG_SND_VIA82XX=m
+CONFIG_SND_VIA82XX_MODEM=m
+CONFIG_SND_VIRTUOSO=m
+CONFIG_SND_VX222=m
+CONFIG_SND_YMFPCI=m
+CONFIG_SND_SPI=y
+CONFIG_SND_USB=y
+CONFIG_SND_USB_AUDIO=m
+CONFIG_SND_USB_UA101=m
+CONFIG_SND_USB_USX2Y=m
+CONFIG_SND_USB_CAIAQ=m
+# CONFIG_SND_USB_CAIAQ_INPUT is not set
+CONFIG_SND_USB_US122L=m
+CONFIG_SND_USB_6FIRE=m
+CONFIG_SND_FIREWIRE=y
+CONFIG_SND_FIREWIRE_LIB=m
+CONFIG_SND_FIREWIRE_SPEAKERS=m
+CONFIG_SND_ISIGHT=m
+CONFIG_SND_PCMCIA=y
+CONFIG_SND_VXPOCKET=m
+CONFIG_SND_PDAUDIOCF=m
+CONFIG_SND_SOC=m
+CONFIG_SND_SOC_I2C_AND_SPI=m
+CONFIG_SND_SOC_ALL_CODECS=m
+CONFIG_SND_SOC_WM_HUBS=m
+CONFIG_SND_SOC_AB8500_CODEC=m
+CONFIG_SND_SOC_AD1836=m
+CONFIG_SND_SOC_AD193X=m
+CONFIG_SND_SOC_AD73311=m
+CONFIG_SND_SOC_ADAU1373=m
+CONFIG_SND_SOC_ADAV80X=m
+CONFIG_SND_SOC_ADS117X=m
+CONFIG_SND_SOC_AK4104=m
+CONFIG_SND_SOC_AK4535=m
+CONFIG_SND_SOC_AK4641=m
+CONFIG_SND_SOC_AK4642=m
+CONFIG_SND_SOC_AK4671=m
+CONFIG_SND_SOC_ALC5623=m
+CONFIG_SND_SOC_ALC5632=m
+CONFIG_SND_SOC_CS42L51=m
+CONFIG_SND_SOC_CS42L52=m
+CONFIG_SND_SOC_CS42L73=m
+CONFIG_SND_SOC_CS4270=m
+CONFIG_SND_SOC_CS4271=m
+CONFIG_SND_SOC_CX20442=m
+CONFIG_SND_SOC_JZ4740_CODEC=m
+CONFIG_SND_SOC_L3=m
+CONFIG_SND_SOC_DA7210=m
+CONFIG_SND_SOC_DA732X=m
+CONFIG_SND_SOC_DFBMCS320=m
+CONFIG_SND_SOC_ISABELLE=m
+CONFIG_SND_SOC_LM49453=m
+CONFIG_SND_SOC_MAX98088=m
+CONFIG_SND_SOC_MAX98095=m
+CONFIG_SND_SOC_MAX9850=m
+CONFIG_SND_SOC_PCM3008=m
+CONFIG_SND_SOC_RT5631=m
+CONFIG_SND_SOC_SGTL5000=m
+CONFIG_SND_SOC_SPDIF=m
+CONFIG_SND_SOC_SSM2602=m
+CONFIG_SND_SOC_STA32X=m
+CONFIG_SND_SOC_STA529=m
+CONFIG_SND_SOC_TLV320AIC23=m
+CONFIG_SND_SOC_TLV320AIC26=m
+CONFIG_SND_SOC_TLV320AIC32X4=m
+CONFIG_SND_SOC_TLV320AIC3X=m
+CONFIG_SND_SOC_TLV320DAC33=m
+CONFIG_SND_SOC_UDA134X=m
+CONFIG_SND_SOC_UDA1380=m
+CONFIG_SND_SOC_WL1273=m
+CONFIG_SND_SOC_WM1250_EV1=m
+CONFIG_SND_SOC_WM2000=m
+CONFIG_SND_SOC_WM2200=m
+CONFIG_SND_SOC_WM5100=m
+CONFIG_SND_SOC_WM8510=m
+CONFIG_SND_SOC_WM8523=m
+CONFIG_SND_SOC_WM8580=m
+CONFIG_SND_SOC_WM8711=m
+CONFIG_SND_SOC_WM8727=m
+CONFIG_SND_SOC_WM8728=m
+CONFIG_SND_SOC_WM8731=m
+CONFIG_SND_SOC_WM8737=m
+CONFIG_SND_SOC_WM8741=m
+CONFIG_SND_SOC_WM8750=m
+CONFIG_SND_SOC_WM8753=m
+CONFIG_SND_SOC_WM8770=m
+CONFIG_SND_SOC_WM8776=m
+CONFIG_SND_SOC_WM8782=m
+CONFIG_SND_SOC_WM8804=m
+CONFIG_SND_SOC_WM8900=m
+CONFIG_SND_SOC_WM8903=m
+CONFIG_SND_SOC_WM8904=m
+CONFIG_SND_SOC_WM8940=m
+CONFIG_SND_SOC_WM8955=m
+CONFIG_SND_SOC_WM8960=m
+CONFIG_SND_SOC_WM8961=m
+CONFIG_SND_SOC_WM8962=m
+CONFIG_SND_SOC_WM8971=m
+CONFIG_SND_SOC_WM8974=m
+CONFIG_SND_SOC_WM8978=m
+CONFIG_SND_SOC_WM8983=m
+CONFIG_SND_SOC_WM8985=m
+CONFIG_SND_SOC_WM8988=m
+CONFIG_SND_SOC_WM8990=m
+CONFIG_SND_SOC_WM8991=m
+CONFIG_SND_SOC_WM8993=m
+CONFIG_SND_SOC_WM8995=m
+CONFIG_SND_SOC_WM8996=m
+CONFIG_SND_SOC_WM9081=m
+CONFIG_SND_SOC_WM9090=m
+CONFIG_SND_SOC_LM4857=m
+CONFIG_SND_SOC_MAX9768=m
+CONFIG_SND_SOC_MAX9877=m
+CONFIG_SND_SOC_ML26124=m
+CONFIG_SND_SOC_TPA6130A2=m
+CONFIG_SND_SIMPLE_CARD=m
+# CONFIG_SOUND_PRIME is not set
+CONFIG_AC97_BUS=m
+
+#
+# HID support
+#
+CONFIG_HID=m
+CONFIG_HIDRAW=y
+CONFIG_UHID=m
+CONFIG_HID_GENERIC=m
+
+#
+# Special HID drivers
+#
+# CONFIG_HID_A4TECH is not set
+# CONFIG_HID_ACRUX is not set
+CONFIG_HID_APPLE=m
+# CONFIG_HID_AUREAL is not set
+# CONFIG_HID_BELKIN is not set
+# CONFIG_HID_CHERRY is not set
+# CONFIG_HID_CHICONY is not set
+CONFIG_HID_PRODIKEYS=m
+# CONFIG_HID_CYPRESS is not set
+# CONFIG_HID_DRAGONRISE is not set
+# CONFIG_HID_EMS_FF is not set
+# CONFIG_HID_ELECOM is not set
+# CONFIG_HID_EZKEY is not set
+# CONFIG_HID_HOLTEK is not set
+CONFIG_HID_KEYTOUCH=m
+# CONFIG_HID_KYE is not set
+# CONFIG_HID_UCLOGIC is not set
+# CONFIG_HID_WALTOP is not set
+# CONFIG_HID_GYRATION is not set
+# CONFIG_HID_TWINHAN is not set
+# CONFIG_HID_KENSINGTON is not set
+CONFIG_HID_LCPOWER=m
+CONFIG_HID_LENOVO_TPKBD=m
+# CONFIG_HID_LOGITECH is not set
+CONFIG_HID_MAGICMOUSE=m
+# CONFIG_HID_MICROSOFT is not set
+# CONFIG_HID_MONTEREY is not set
+CONFIG_HID_MULTITOUCH=m
+# CONFIG_HID_NTRIG is not set
+CONFIG_HID_ORTEK=m
+# CONFIG_HID_PANTHERLORD is not set
+# CONFIG_HID_PETALYNX is not set
+CONFIG_HID_PICOLCD=m
+CONFIG_HID_PICOLCD_FB=y
+CONFIG_HID_PICOLCD_BACKLIGHT=y
+CONFIG_HID_PICOLCD_LCD=y
+CONFIG_HID_PICOLCD_LEDS=y
+CONFIG_HID_PRIMAX=m
+CONFIG_HID_ROCCAT=m
+# CONFIG_HID_SAITEK is not set
+# CONFIG_HID_SAMSUNG is not set
+CONFIG_HID_SONY=m
+CONFIG_HID_SPEEDLINK=m
+# CONFIG_HID_SUNPLUS is not set
+# CONFIG_HID_GREENASIA is not set
+CONFIG_HID_HYPERV_MOUSE=m
+# CONFIG_HID_SMARTJOYPLUS is not set
+# CONFIG_HID_TIVO is not set
+# CONFIG_HID_TOPSEED is not set
+# CONFIG_HID_THRUSTMASTER is not set
+# CONFIG_HID_WACOM is not set
+# CONFIG_HID_WIIMOTE is not set
+# CONFIG_HID_ZEROPLUS is not set
+CONFIG_HID_ZYDACRON=m
+
+#
+# USB HID support
+#
+CONFIG_USB_HID=m
+# CONFIG_HID_PID is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+CONFIG_USB_KBD=m
+CONFIG_USB_MOUSE=m
+CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
+CONFIG_USB_ARCH_HAS_XHCI=y
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_COMMON=m
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB=m
+# CONFIG_USB_DEBUG is not set
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+
+#
+# Miscellaneous USB options
+#
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+CONFIG_USB_MON=m
+CONFIG_USB_WUSB=m
+CONFIG_USB_WUSB_CBAF=m
+# CONFIG_USB_WUSB_CBAF_DEBUG is not set
+
+#
+# USB Host Controller Drivers
+#
+CONFIG_USB_C67X00_HCD=m
+CONFIG_USB_XHCI_HCD=m
+# CONFIG_USB_XHCI_HCD_DEBUGGING is not set
+CONFIG_USB_EHCI_HCD=m
+# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
+# CONFIG_USB_EHCI_TT_NEWSCHED is not set
+CONFIG_USB_OXU210HP_HCD=m
+CONFIG_USB_ISP116X_HCD=m
+CONFIG_USB_ISP1760_HCD=m
+CONFIG_USB_ISP1362_HCD=m
+CONFIG_USB_OHCI_HCD=m
+CONFIG_USB_OHCI_HCD_SSB=y
+CONFIG_USB_OHCI_HCD_PLATFORM=y
+CONFIG_USB_EHCI_HCD_PLATFORM=y
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+CONFIG_USB_UHCI_HCD=m
+CONFIG_USB_U132_HCD=m
+CONFIG_USB_SL811_HCD=m
+CONFIG_USB_SL811_HCD_ISO=y
+CONFIG_USB_SL811_CS=m
+CONFIG_USB_R8A66597_HCD=m
+CONFIG_USB_WHCI_HCD=m
+CONFIG_USB_HWA_HCD=m
+CONFIG_USB_HCD_SSB=m
+# CONFIG_USB_CHIPIDEA is not set
+
+#
+# USB Device Class drivers
+#
+CONFIG_USB_ACM=m
+CONFIG_USB_PRINTER=m
+CONFIG_USB_WDM=m
+CONFIG_USB_TMC=m
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
+#
+
+#
+# also be needed; see USB_STORAGE Help for more info
+#
+CONFIG_USB_STORAGE=m
+# CONFIG_USB_STORAGE_DEBUG is not set
+CONFIG_USB_STORAGE_REALTEK=m
+CONFIG_USB_STORAGE_DATAFAB=m
+CONFIG_USB_STORAGE_FREECOM=m
+CONFIG_USB_STORAGE_ISD200=m
+CONFIG_USB_STORAGE_USBAT=m
+CONFIG_USB_STORAGE_SDDR09=m
+CONFIG_USB_STORAGE_SDDR55=m
+CONFIG_USB_STORAGE_JUMPSHOT=m
+CONFIG_USB_STORAGE_ALAUDA=m
+CONFIG_USB_STORAGE_ONETOUCH=m
+CONFIG_USB_STORAGE_KARMA=m
+CONFIG_USB_STORAGE_CYPRESS_ATACB=m
+CONFIG_USB_STORAGE_ENE_UB6250=m
+CONFIG_USB_UAS=m
+CONFIG_USB_LIBUSUAL=y
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB port drivers
+#
+CONFIG_USB_USS720=m
+CONFIG_USB_SERIAL=m
+CONFIG_USB_EZUSB=y
+CONFIG_USB_SERIAL_GENERIC=y
+CONFIG_USB_SERIAL_AIRCABLE=m
+CONFIG_USB_SERIAL_ARK3116=m
+CONFIG_USB_SERIAL_BELKIN=m
+CONFIG_USB_SERIAL_CH341=m
+CONFIG_USB_SERIAL_WHITEHEAT=m
+CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
+CONFIG_USB_SERIAL_CP210X=m
+CONFIG_USB_SERIAL_CYPRESS_M8=m
+CONFIG_USB_SERIAL_EMPEG=m
+CONFIG_USB_SERIAL_FTDI_SIO=m
+CONFIG_USB_SERIAL_FUNSOFT=m
+CONFIG_USB_SERIAL_VISOR=m
+CONFIG_USB_SERIAL_IPAQ=m
+CONFIG_USB_SERIAL_IR=m
+CONFIG_USB_SERIAL_EDGEPORT=m
+CONFIG_USB_SERIAL_EDGEPORT_TI=m
+# CONFIG_USB_SERIAL_F81232 is not set
+CONFIG_USB_SERIAL_GARMIN=m
+CONFIG_USB_SERIAL_IPW=m
+CONFIG_USB_SERIAL_IUU=m
+CONFIG_USB_SERIAL_KEYSPAN_PDA=m
+CONFIG_USB_SERIAL_KEYSPAN=m
+CONFIG_USB_SERIAL_KLSI=m
+CONFIG_USB_SERIAL_KOBIL_SCT=m
+CONFIG_USB_SERIAL_MCT_U232=m
+# CONFIG_USB_SERIAL_METRO is not set
+CONFIG_USB_SERIAL_MOS7720=m
+CONFIG_USB_SERIAL_MOS7715_PARPORT=y
+CONFIG_USB_SERIAL_MOS7840=m
+CONFIG_USB_SERIAL_MOTOROLA=m
+CONFIG_USB_SERIAL_NAVMAN=m
+CONFIG_USB_SERIAL_PL2303=m
+CONFIG_USB_SERIAL_OTI6858=m
+CONFIG_USB_SERIAL_QCAUX=m
+CONFIG_USB_SERIAL_QUALCOMM=m
+CONFIG_USB_SERIAL_SPCP8X5=m
+CONFIG_USB_SERIAL_HP4X=m
+CONFIG_USB_SERIAL_SAFE=m
+CONFIG_USB_SERIAL_SAFE_PADDED=y
+CONFIG_USB_SERIAL_SIEMENS_MPI=m
+CONFIG_USB_SERIAL_SIERRAWIRELESS=m
+CONFIG_USB_SERIAL_SYMBOL=m
+CONFIG_USB_SERIAL_TI=m
+CONFIG_USB_SERIAL_CYBERJACK=m
+CONFIG_USB_SERIAL_XIRCOM=m
+CONFIG_USB_SERIAL_WWAN=m
+CONFIG_USB_SERIAL_OPTION=m
+CONFIG_USB_SERIAL_OMNINET=m
+CONFIG_USB_SERIAL_OPTICON=m
+CONFIG_USB_SERIAL_VIVOPAY_SERIAL=m
+CONFIG_USB_SERIAL_ZIO=m
+# CONFIG_USB_SERIAL_SSU100 is not set
+CONFIG_USB_SERIAL_QT2=m
+CONFIG_USB_SERIAL_DEBUG=m
+
+#
+# USB Miscellaneous drivers
+#
+CONFIG_USB_EMI62=m
+CONFIG_USB_EMI26=m
+CONFIG_USB_ADUTUX=m
+CONFIG_USB_SEVSEG=m
+CONFIG_USB_RIO500=m
+# CONFIG_USB_LEGOTOWER is not set
+CONFIG_USB_LCD=m
+CONFIG_USB_LED=m
+CONFIG_USB_CYPRESS_CY7C63=m
+CONFIG_USB_CYTHERM=m
+CONFIG_USB_IDMOUSE=m
+CONFIG_USB_FTDI_ELAN=m
+# CONFIG_USB_APPLEDISPLAY is not set
+CONFIG_USB_SISUSBVGA=m
+CONFIG_USB_SISUSBVGA_CON=y
+CONFIG_USB_LD=m
+# CONFIG_USB_TRANCEVIBRATOR is not set
+CONFIG_USB_IOWARRIOR=m
+CONFIG_USB_TEST=m
+CONFIG_USB_ISIGHTFW=m
+# CONFIG_USB_YUREX is not set
+
+#
+# USB Physical Layer drivers
+#
+# CONFIG_USB_ISP1301 is not set
+CONFIG_USB_ATM=m
+CONFIG_USB_SPEEDTOUCH=m
+CONFIG_USB_CXACRU=m
+CONFIG_USB_UEAGLEATM=m
+CONFIG_USB_XUSBATM=m
+# CONFIG_USB_GADGET is not set
+
+#
+# OTG and related infrastructure
+#
+CONFIG_USB_OTG_UTILS=y
+CONFIG_USB_GPIO_VBUS=m
+CONFIG_NOP_USB_XCEIV=m
+CONFIG_UWB=m
+CONFIG_UWB_HWA=m
+CONFIG_UWB_WHCI=m
+CONFIG_UWB_I1480U=m
+CONFIG_MMC=m
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+# CONFIG_MMC_CLKGATE is not set
+
+#
+# MMC/SD/SDIO Card Drivers
+#
+CONFIG_MMC_BLOCK=m
+CONFIG_MMC_BLOCK_MINORS=8
+CONFIG_MMC_BLOCK_BOUNCE=y
+CONFIG_SDIO_UART=m
+CONFIG_MMC_TEST=m
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
+CONFIG_MMC_SDHCI=m
+CONFIG_MMC_SDHCI_PCI=m
+CONFIG_MMC_RICOH_MMC=y
+CONFIG_MMC_SDHCI_PLTFM=m
+CONFIG_MMC_WBSD=m
+CONFIG_MMC_TIFM_SD=m
+CONFIG_MMC_SDRICOH_CS=m
+CONFIG_MMC_CB710=m
+CONFIG_MMC_VIA_SDMMC=m
+CONFIG_MMC_VUB300=m
+# CONFIG_MMC_USHC is not set
+CONFIG_MEMSTICK=m
+# CONFIG_MEMSTICK_DEBUG is not set
+
+#
+# MemoryStick drivers
+#
+# CONFIG_MEMSTICK_UNSAFE_RESUME is not set
+CONFIG_MSPRO_BLOCK=m
+
+#
+# MemoryStick Host Controller Drivers
+#
+CONFIG_MEMSTICK_TIFM_MS=m
+CONFIG_MEMSTICK_JMICRON_38X=m
+CONFIG_MEMSTICK_R592=m
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+CONFIG_LEDS_LM3530=m
+CONFIG_LEDS_PCA9532=m
+# CONFIG_LEDS_PCA9532_GPIO is not set
+CONFIG_LEDS_GPIO=m
+CONFIG_LEDS_LP3944=m
+# CONFIG_LEDS_LP5521 is not set
+# CONFIG_LEDS_LP5523 is not set
+CONFIG_LEDS_CLEVO_MAIL=m
+CONFIG_LEDS_PCA955X=m
+# CONFIG_LEDS_PCA9633 is not set
+CONFIG_LEDS_DAC124S085=m
+CONFIG_LEDS_BD2802=m
+CONFIG_LEDS_INTEL_SS4200=m
+CONFIG_LEDS_LT3593=m
+CONFIG_LEDS_DELL_NETBOOKS=m
+# CONFIG_LEDS_TCA6507 is not set
+CONFIG_LEDS_LM3556=m
+# CONFIG_LEDS_OT200 is not set
+CONFIG_LEDS_BLINKM=m
+CONFIG_LEDS_TRIGGERS=y
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGER_TIMER=m
+CONFIG_LEDS_TRIGGER_ONESHOT=m
+CONFIG_LEDS_TRIGGER_HEARTBEAT=m
+CONFIG_LEDS_TRIGGER_BACKLIGHT=m
+CONFIG_LEDS_TRIGGER_GPIO=m
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=m
+
+#
+# iptables trigger is under Netfilter config (LED target)
+#
+CONFIG_LEDS_TRIGGER_TRANSIENT=m
+CONFIG_ACCESSIBILITY=y
+# CONFIG_A11Y_BRAILLE_CONSOLE is not set
+CONFIG_INFINIBAND=m
+CONFIG_INFINIBAND_USER_MAD=m
+CONFIG_INFINIBAND_USER_ACCESS=m
+CONFIG_INFINIBAND_USER_MEM=y
+CONFIG_INFINIBAND_ADDR_TRANS=y
+CONFIG_INFINIBAND_MTHCA=m
+# CONFIG_INFINIBAND_MTHCA_DEBUG is not set
+CONFIG_INFINIBAND_AMSO1100=m
+# CONFIG_INFINIBAND_AMSO1100_DEBUG is not set
+CONFIG_INFINIBAND_CXGB3=m
+# CONFIG_INFINIBAND_CXGB3_DEBUG is not set
+CONFIG_INFINIBAND_CXGB4=m
+CONFIG_MLX4_INFINIBAND=m
+CONFIG_INFINIBAND_NES=m
+# CONFIG_INFINIBAND_NES_DEBUG is not set
+# CONFIG_INFINIBAND_OCRDMA is not set
+CONFIG_INFINIBAND_IPOIB=m
+# CONFIG_INFINIBAND_IPOIB_CM is not set
+# CONFIG_INFINIBAND_IPOIB_DEBUG is not set
+CONFIG_INFINIBAND_SRP=m
+CONFIG_INFINIBAND_SRPT=m
+CONFIG_INFINIBAND_ISER=m
+# CONFIG_EDAC is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+CONFIG_RTC_INTF_DEV_UIE_EMUL=y
+CONFIG_RTC_DRV_TEST=m
+
+#
+# I2C RTC drivers
+#
+CONFIG_RTC_DRV_DS1307=m
+CONFIG_RTC_DRV_DS1374=m
+CONFIG_RTC_DRV_DS1672=m
+# CONFIG_RTC_DRV_DS3232 is not set
+CONFIG_RTC_DRV_MAX6900=m
+CONFIG_RTC_DRV_RS5C372=m
+CONFIG_RTC_DRV_ISL1208=m
+# CONFIG_RTC_DRV_ISL12022 is not set
+CONFIG_RTC_DRV_X1205=m
+CONFIG_RTC_DRV_PCF8563=m
+CONFIG_RTC_DRV_PCF8583=m
+CONFIG_RTC_DRV_M41T80=m
+CONFIG_RTC_DRV_M41T80_WDT=y
+CONFIG_RTC_DRV_BQ32K=m
+CONFIG_RTC_DRV_S35390A=m
+CONFIG_RTC_DRV_FM3130=m
+CONFIG_RTC_DRV_RX8581=m
+CONFIG_RTC_DRV_RX8025=m
+CONFIG_RTC_DRV_EM3027=m
+CONFIG_RTC_DRV_RV3029C2=m
+
+#
+# SPI RTC drivers
+#
+CONFIG_RTC_DRV_M41T93=m
+CONFIG_RTC_DRV_M41T94=m
+CONFIG_RTC_DRV_DS1305=m
+CONFIG_RTC_DRV_DS1390=m
+CONFIG_RTC_DRV_MAX6902=m
+CONFIG_RTC_DRV_R9701=m
+CONFIG_RTC_DRV_RS5C348=m
+CONFIG_RTC_DRV_DS3234=m
+CONFIG_RTC_DRV_PCF2123=m
+
+#
+# Platform RTC drivers
+#
+CONFIG_RTC_DRV_CMOS=y
+CONFIG_RTC_DRV_DS1286=m
+CONFIG_RTC_DRV_DS1511=m
+CONFIG_RTC_DRV_DS1553=m
+CONFIG_RTC_DRV_DS1742=m
+CONFIG_RTC_DRV_STK17TA8=m
+CONFIG_RTC_DRV_M48T86=m
+CONFIG_RTC_DRV_M48T35=m
+CONFIG_RTC_DRV_M48T59=m
+CONFIG_RTC_DRV_MSM6242=m
+CONFIG_RTC_DRV_BQ4802=m
+CONFIG_RTC_DRV_RP5C01=m
+CONFIG_RTC_DRV_V3020=m
+CONFIG_RTC_DRV_PCF50633=m
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_DMADEVICES=y
+# CONFIG_DMADEVICES_DEBUG is not set
+
+#
+# DMA Devices
+#
+# CONFIG_INTEL_MID_DMAC is not set
+CONFIG_INTEL_IOATDMA=m
+CONFIG_TIMB_DMA=m
+CONFIG_PCH_DMA=m
+CONFIG_DMA_ENGINE=y
+
+#
+# DMA Clients
+#
+CONFIG_NET_DMA=y
+# CONFIG_ASYNC_TX_DMA is not set
+CONFIG_DMATEST=m
+CONFIG_DCA=m
+CONFIG_AUXDISPLAY=y
+CONFIG_KS0108=m
+CONFIG_KS0108_PORT=0x378
+CONFIG_KS0108_DELAY=2
+CONFIG_CFAG12864B=m
+CONFIG_CFAG12864B_RATE=20
+CONFIG_UIO=m
+CONFIG_UIO_CIF=m
+CONFIG_UIO_PDRV=m
+CONFIG_UIO_PDRV_GENIRQ=m
+CONFIG_UIO_AEC=m
+CONFIG_UIO_SERCOS3=m
+# CONFIG_UIO_PCI_GENERIC is not set
+CONFIG_UIO_NETX=m
+CONFIG_VFIO_IOMMU_TYPE1=m
+CONFIG_VFIO=m
+CONFIG_VFIO_PCI=m
+CONFIG_VIRTIO=m
+CONFIG_VIRTIO_RING=m
+
+#
+# Virtio drivers
+#
+CONFIG_VIRTIO_PCI=m
+CONFIG_VIRTIO_BALLOON=m
+CONFIG_VIRTIO_MMIO=m
+# CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES is not set
+
+#
+# Microsoft Hyper-V guest support
+#
+CONFIG_HYPERV=m
+CONFIG_HYPERV_UTILS=m
+CONFIG_STAGING=y
+# CONFIG_ET131X is not set
+# CONFIG_SLICOSS is not set
+CONFIG_USBIP_CORE=m
+CONFIG_USBIP_VHCI_HCD=m
+CONFIG_USBIP_HOST=m
+# CONFIG_USBIP_DEBUG is not set
+# CONFIG_W35UND is not set
+# CONFIG_PRISM2_USB is not set
+# CONFIG_ECHO is not set
+# CONFIG_COMEDI is not set
+# CONFIG_ASUS_OLED is not set
+# CONFIG_PANEL is not set
+# CONFIG_R8187SE is not set
+# CONFIG_RTL8192U is not set
+CONFIG_RTLLIB=m
+CONFIG_RTLLIB_CRYPTO_CCMP=m
+CONFIG_RTLLIB_CRYPTO_TKIP=m
+CONFIG_RTLLIB_CRYPTO_WEP=m
+# CONFIG_RTL8192E is not set
+# CONFIG_R8712U is not set
+# CONFIG_RTS_PSTOR is not set
+# CONFIG_RTS5139 is not set
+# CONFIG_TRANZPORT is not set
+# CONFIG_IDE_PHISON is not set
+# CONFIG_LINE6_USB is not set
+# CONFIG_USB_SERIAL_QUATECH2 is not set
+# CONFIG_VT6655 is not set
+# CONFIG_VT6656 is not set
+# CONFIG_DX_SEP is not set
+# CONFIG_ZSMALLOC is not set
+# CONFIG_WLAGS49_H2 is not set
+# CONFIG_WLAGS49_H25 is not set
+# CONFIG_FB_SM7XX is not set
+# CONFIG_CRYSTALHD is not set
+# CONFIG_CXT1E1 is not set
+# CONFIG_FB_XGI is not set
+# CONFIG_ACPI_QUICKSTART is not set
+# CONFIG_SBE_2T3E3 is not set
+# CONFIG_USB_ENESTORAGE is not set
+# CONFIG_BCM_WIMAX is not set
+# CONFIG_FT1000 is not set
+
+#
+# Speakup console speech
+#
+# CONFIG_SPEAKUP is not set
+# CONFIG_TOUCHSCREEN_CLEARPAD_TM1217 is not set
+# CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4 is not set
+# CONFIG_STAGING_MEDIA is not set
+
+#
+# Android
+#
+# CONFIG_ANDROID is not set
+# CONFIG_PHONE is not set
+# CONFIG_USB_WPAN_HCD is not set
+# CONFIG_IPACK_BUS is not set
+CONFIG_WIMAX_GDM72XX=m
+# CONFIG_WIMAX_GDM72XX_QOS is not set
+# CONFIG_WIMAX_GDM72XX_K_MODE is not set
+# CONFIG_WIMAX_GDM72XX_WIMAX2 is not set
+CONFIG_WIMAX_GDM72XX_USB=y
+# CONFIG_WIMAX_GDM72XX_SDIO is not set
+# CONFIG_CSR_WIFI is not set
+CONFIG_X86_PLATFORM_DEVICES=y
+CONFIG_ACER_WMI=m
+CONFIG_ACERHDF=m
+CONFIG_ASUS_LAPTOP=m
+CONFIG_DELL_LAPTOP=m
+CONFIG_DELL_WMI=m
+CONFIG_DELL_WMI_AIO=m
+CONFIG_FUJITSU_LAPTOP=m
+# CONFIG_FUJITSU_LAPTOP_DEBUG is not set
+# CONFIG_FUJITSU_TABLET is not set
+CONFIG_AMILO_RFKILL=m
+# CONFIG_TC1100_WMI is not set
+CONFIG_HP_ACCEL=m
+CONFIG_HP_WMI=m
+CONFIG_MSI_LAPTOP=m
+CONFIG_PANASONIC_LAPTOP=m
+CONFIG_COMPAL_LAPTOP=m
+CONFIG_SONY_LAPTOP=m
+# CONFIG_SONYPI_COMPAT is not set
+CONFIG_IDEAPAD_LAPTOP=m
+CONFIG_THINKPAD_ACPI=m
+CONFIG_THINKPAD_ACPI_ALSA_SUPPORT=y
+# CONFIG_THINKPAD_ACPI_DEBUGFACILITIES is not set
+# CONFIG_THINKPAD_ACPI_DEBUG is not set
+# CONFIG_THINKPAD_ACPI_UNSAFE_LEDS is not set
+CONFIG_THINKPAD_ACPI_VIDEO=y
+CONFIG_THINKPAD_ACPI_HOTKEY_POLL=y
+CONFIG_SENSORS_HDAPS=m
+CONFIG_INTEL_MENLOW=m
+CONFIG_EEEPC_LAPTOP=m
+CONFIG_ASUS_WMI=m
+CONFIG_ASUS_NB_WMI=m
+CONFIG_EEEPC_WMI=m
+CONFIG_ACPI_WMI=m
+CONFIG_MSI_WMI=m
+# CONFIG_TOPSTAR_LAPTOP is not set
+CONFIG_ACPI_TOSHIBA=m
+CONFIG_TOSHIBA_BT_RFKILL=m
+CONFIG_ACPI_CMPC=m
+# CONFIG_INTEL_IPS is not set
+# CONFIG_IBM_RTL is not set
+CONFIG_XO15_EBOOK=m
+# CONFIG_SAMSUNG_LAPTOP is not set
+CONFIG_MXM_WMI=m
+CONFIG_INTEL_OAKTRAIL=m
+# CONFIG_SAMSUNG_Q10 is not set
+# CONFIG_APPLE_GMUX is not set
+
+#
+# Hardware Spinlock drivers
+#
+CONFIG_CLKSRC_I8253=y
+CONFIG_CLKEVT_I8253=y
+CONFIG_I8253_LOCK=y
+CONFIG_CLKBLD_I8253=y
+CONFIG_IOMMU_API=y
+CONFIG_IOMMU_SUPPORT=y
+CONFIG_DMAR_TABLE=y
+CONFIG_INTEL_IOMMU=y
+# CONFIG_INTEL_IOMMU_DEFAULT_ON is not set
+CONFIG_INTEL_IOMMU_FLOPPY_WA=y
+
+#
+# Remoteproc drivers (EXPERIMENTAL)
+#
+
+#
+# Rpmsg drivers (EXPERIMENTAL)
+#
+CONFIG_VIRT_DRIVERS=y
+# CONFIG_PM_DEVFREQ is not set
+CONFIG_EXTCON=m
+
+#
+# Extcon Device Drivers
+#
+CONFIG_EXTCON_GPIO=m
+CONFIG_MEMORY=y
+# CONFIG_IIO is not set
+# CONFIG_VME_BUS is not set
+CONFIG_PWM=y
+
+#
+# Firmware Drivers
+#
+CONFIG_EDD=m
+# CONFIG_EDD_OFF is not set
+CONFIG_FIRMWARE_MEMMAP=y
+CONFIG_DELL_RBU=m
+CONFIG_DCDBAS=m
+CONFIG_DMIID=y
+# CONFIG_DMI_SYSFS is not set
+# CONFIG_ISCSI_IBFT_FIND is not set
+# CONFIG_GOOGLE_FIRMWARE is not set
+
+#
+# File systems
+#
+CONFIG_DCACHE_WORD_ACCESS=y
+CONFIG_EXT2_FS=m
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+CONFIG_EXT2_FS_SECURITY=y
+CONFIG_EXT2_FS_XIP=y
+CONFIG_EXT3_FS=m
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_EXT3_FS_XATTR=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
+CONFIG_EXT4_FS=m
+CONFIG_EXT4_FS_XATTR=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+# CONFIG_EXT4_DEBUG is not set
+CONFIG_FS_XIP=y
+CONFIG_JBD=m
+# CONFIG_JBD_DEBUG is not set
+CONFIG_JBD2=m
+# CONFIG_JBD2_DEBUG is not set
+CONFIG_FS_MBCACHE=m
+CONFIG_REISERFS_FS=m
+# CONFIG_REISERFS_CHECK is not set
+CONFIG_REISERFS_PROC_INFO=y
+CONFIG_REISERFS_FS_XATTR=y
+CONFIG_REISERFS_FS_POSIX_ACL=y
+# CONFIG_REISERFS_FS_SECURITY is not set
+CONFIG_JFS_FS=m
+CONFIG_JFS_POSIX_ACL=y
+CONFIG_JFS_SECURITY=y
+# CONFIG_JFS_DEBUG is not set
+CONFIG_JFS_STATISTICS=y
+# CONFIG_XFS_FS is not set
+CONFIG_GFS2_FS=m
+CONFIG_GFS2_FS_LOCKING_DLM=y
+CONFIG_OCFS2_FS=m
+CONFIG_OCFS2_FS_O2CB=m
+CONFIG_OCFS2_FS_USERSPACE_CLUSTER=m
+CONFIG_OCFS2_FS_STATS=y
+CONFIG_OCFS2_DEBUG_MASKLOG=y
+# CONFIG_OCFS2_DEBUG_FS is not set
+CONFIG_BTRFS_FS=m
+CONFIG_BTRFS_FS_POSIX_ACL=y
+# CONFIG_BTRFS_FS_CHECK_INTEGRITY is not set
+CONFIG_NILFS2_FS=m
+CONFIG_FS_POSIX_ACL=y
+CONFIG_EXPORTFS=m
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+# CONFIG_DNOTIFY is not set
+CONFIG_INOTIFY_USER=y
+# CONFIG_FANOTIFY is not set
+CONFIG_QUOTA=y
+CONFIG_QUOTA_NETLINK_INTERFACE=y
+# CONFIG_PRINT_QUOTA_WARNING is not set
+# CONFIG_QUOTA_DEBUG is not set
+CONFIG_QUOTA_TREE=m
+CONFIG_QFMT_V1=m
+CONFIG_QFMT_V2=m
+CONFIG_QUOTACTL=y
+CONFIG_AUTOFS4_FS=m
+CONFIG_FUSE_FS=m
+# CONFIG_CUSE is not set
+CONFIG_GENERIC_ACL=y
+
+#
+# Caches
+#
+CONFIG_FSCACHE=m
+CONFIG_FSCACHE_STATS=y
+CONFIG_FSCACHE_HISTOGRAM=y
+# CONFIG_FSCACHE_DEBUG is not set
+# CONFIG_FSCACHE_OBJECT_LIST is not set
+CONFIG_CACHEFILES=m
+# CONFIG_CACHEFILES_DEBUG is not set
+# CONFIG_CACHEFILES_HISTOGRAM is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+CONFIG_ZISOFS=y
+CONFIG_UDF_FS=m
+CONFIG_UDF_NLS=y
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="utf8"
+CONFIG_NTFS_FS=m
+# CONFIG_NTFS_DEBUG is not set
+CONFIG_NTFS_RW=y
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+# CONFIG_PROC_KCORE is not set
+CONFIG_PROC_SYSCTL=y
+# CONFIG_PROC_PAGE_MONITOR is not set
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_TMPFS_XATTR=y
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_CONFIGFS_FS=m
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+CONFIG_ECRYPT_FS=m
+CONFIG_HFS_FS=m
+CONFIG_HFSPLUS_FS=m
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+CONFIG_EFS_FS=m
+CONFIG_JFFS2_FS=m
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+CONFIG_JFFS2_SUMMARY=y
+CONFIG_JFFS2_FS_XATTR=y
+CONFIG_JFFS2_FS_POSIX_ACL=y
+CONFIG_JFFS2_FS_SECURITY=y
+CONFIG_JFFS2_COMPRESSION_OPTIONS=y
+CONFIG_JFFS2_ZLIB=y
+CONFIG_JFFS2_LZO=y
+CONFIG_JFFS2_RTIME=y
+CONFIG_JFFS2_RUBIN=y
+# CONFIG_JFFS2_CMODE_NONE is not set
+CONFIG_JFFS2_CMODE_PRIORITY=y
+# CONFIG_JFFS2_CMODE_SIZE is not set
+# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
+CONFIG_UBIFS_FS=m
+# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
+CONFIG_UBIFS_FS_LZO=y
+CONFIG_UBIFS_FS_ZLIB=y
+CONFIG_LOGFS=m
+CONFIG_CRAMFS=m
+CONFIG_SQUASHFS=m
+CONFIG_SQUASHFS_XATTR=y
+CONFIG_SQUASHFS_ZLIB=y
+# CONFIG_SQUASHFS_LZO is not set
+CONFIG_SQUASHFS_XZ=y
+# CONFIG_SQUASHFS_4K_DEVBLK_SIZE is not set
+# CONFIG_SQUASHFS_EMBEDDED is not set
+CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
+# CONFIG_VXFS_FS is not set
+CONFIG_MINIX_FS=m
+CONFIG_OMFS_FS=m
+CONFIG_HPFS_FS=m
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_QNX6FS_FS is not set
+CONFIG_ROMFS_FS=m
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+# CONFIG_ROMFS_BACKED_BY_MTD is not set
+# CONFIG_ROMFS_BACKED_BY_BOTH is not set
+CONFIG_ROMFS_ON_BLOCK=y
+CONFIG_PSTORE=y
+# CONFIG_PSTORE_CONSOLE is not set
+CONFIG_PSTORE_RAM=m
+CONFIG_SYSV_FS=m
+CONFIG_UFS_FS=m
+# CONFIG_UFS_FS_WRITE is not set
+# CONFIG_UFS_DEBUG is not set
+CONFIG_EXOFS_FS=m
+# CONFIG_EXOFS_DEBUG is not set
+CONFIG_ORE=m
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=m
+CONFIG_NFS_V2=m
+CONFIG_NFS_V3=m
+# CONFIG_NFS_V3_ACL is not set
+CONFIG_NFS_V4=m
+# CONFIG_NFS_SWAP is not set
+# CONFIG_NFS_V4_1 is not set
+# CONFIG_NFS_FSCACHE is not set
+# CONFIG_NFS_USE_LEGACY_DNS is not set
+CONFIG_NFS_USE_KERNEL_DNS=y
+CONFIG_NFS_DEBUG=y
+CONFIG_NFSD=m
+CONFIG_NFSD_V3=y
+# CONFIG_NFSD_V3_ACL is not set
+CONFIG_NFSD_V4=y
+# CONFIG_NFSD_FAULT_INJECTION is not set
+CONFIG_LOCKD=m
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=m
+CONFIG_SUNRPC_GSS=m
+CONFIG_SUNRPC_XPRT_RDMA=m
+CONFIG_RPCSEC_GSS_KRB5=m
+CONFIG_SUNRPC_DEBUG=y
+CONFIG_CEPH_FS=m
+CONFIG_CIFS=m
+# CONFIG_CIFS_STATS is not set
+# CONFIG_CIFS_WEAK_PW_HASH is not set
+# CONFIG_CIFS_UPCALL is not set
+CONFIG_CIFS_XATTR=y
+CONFIG_CIFS_POSIX=y
+# CONFIG_CIFS_DEBUG2 is not set
+CONFIG_CIFS_DFS_UPCALL=y
+# CONFIG_CIFS_FSCACHE is not set
+CONFIG_CIFS_ACL=y
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+CONFIG_9P_FS=m
+CONFIG_9P_FSCACHE=y
+CONFIG_9P_FS_POSIX_ACL=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="utf8"
+CONFIG_NLS_CODEPAGE_437=m
+CONFIG_NLS_CODEPAGE_737=m
+CONFIG_NLS_CODEPAGE_775=m
+CONFIG_NLS_CODEPAGE_850=m
+CONFIG_NLS_CODEPAGE_852=m
+CONFIG_NLS_CODEPAGE_855=m
+CONFIG_NLS_CODEPAGE_857=m
+CONFIG_NLS_CODEPAGE_860=m
+CONFIG_NLS_CODEPAGE_861=m
+CONFIG_NLS_CODEPAGE_862=m
+CONFIG_NLS_CODEPAGE_863=m
+CONFIG_NLS_CODEPAGE_864=m
+CONFIG_NLS_CODEPAGE_865=m
+CONFIG_NLS_CODEPAGE_866=m
+CONFIG_NLS_CODEPAGE_869=m
+CONFIG_NLS_CODEPAGE_936=m
+CONFIG_NLS_CODEPAGE_950=m
+CONFIG_NLS_CODEPAGE_932=m
+CONFIG_NLS_CODEPAGE_949=m
+CONFIG_NLS_CODEPAGE_874=m
+CONFIG_NLS_ISO8859_8=m
+CONFIG_NLS_CODEPAGE_1250=m
+CONFIG_NLS_CODEPAGE_1251=m
+CONFIG_NLS_ASCII=m
+CONFIG_NLS_ISO8859_1=m
+CONFIG_NLS_ISO8859_2=m
+CONFIG_NLS_ISO8859_3=m
+CONFIG_NLS_ISO8859_4=m
+CONFIG_NLS_ISO8859_5=m
+CONFIG_NLS_ISO8859_6=m
+CONFIG_NLS_ISO8859_7=m
+CONFIG_NLS_ISO8859_9=m
+CONFIG_NLS_ISO8859_13=m
+CONFIG_NLS_ISO8859_14=m
+CONFIG_NLS_ISO8859_15=m
+CONFIG_NLS_KOI8_R=m
+CONFIG_NLS_KOI8_U=m
+CONFIG_NLS_MAC_ROMAN=m
+CONFIG_NLS_MAC_CELTIC=m
+CONFIG_NLS_MAC_CENTEURO=m
+CONFIG_NLS_MAC_CROATIAN=m
+CONFIG_NLS_MAC_CYRILLIC=m
+CONFIG_NLS_MAC_GAELIC=m
+CONFIG_NLS_MAC_GREEK=m
+CONFIG_NLS_MAC_ICELAND=m
+CONFIG_NLS_MAC_INUIT=m
+CONFIG_NLS_MAC_ROMANIAN=m
+CONFIG_NLS_MAC_TURKISH=m
+CONFIG_NLS_UTF8=m
+CONFIG_DLM=m
+# CONFIG_DLM_DEBUG is not set
+
+#
+# Kernel hacking
+#
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_PRINTK_TIME=y
+CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4
+CONFIG_ENABLE_WARN_DEPRECATED=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_READABLE_ASM is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+# CONFIG_DEBUG_SECTION_MISMATCH is not set
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_SHIRQ=y
+CONFIG_LOCKUP_DETECTOR=y
+CONFIG_HARDLOCKUP_DETECTOR=y
+# CONFIG_BOOTPARAM_HARDLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_HARDLOCKUP_PANIC_VALUE=0
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+# CONFIG_PANIC_ON_OOPS is not set
+CONFIG_PANIC_ON_OOPS_VALUE=0
+# CONFIG_DETECT_HUNG_TASK is not set
+CONFIG_SCHED_DEBUG=y
+CONFIG_SCHEDSTATS=y
+CONFIG_TIMER_STATS=y
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_SPARSE_RCU_POINTER is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_ATOMIC_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+CONFIG_STACKTRACE=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_HIGHMEM is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_VIRTUAL is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_TEST_LIST_SORT is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+CONFIG_ARCH_WANT_FRAME_POINTERS=y
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+CONFIG_RCU_CPU_STALL_TIMEOUT=60
+# CONFIG_RCU_CPU_STALL_INFO is not set
+# CONFIG_RCU_TRACE is not set
+# CONFIG_KPROBES_SANITY_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_DEBUG_PER_CPU_MAPS is not set
+# CONFIG_LKDTM is not set
+# CONFIG_NOTIFIER_ERROR_INJECTION is not set
+# CONFIG_FAULT_INJECTION is not set
+CONFIG_LATENCYTOP=y
+# CONFIG_DEBUG_PAGEALLOC is not set
+CONFIG_USER_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
+CONFIG_HAVE_C_RECORDMCOUNT=y
+CONFIG_RING_BUFFER=y
+CONFIG_RING_BUFFER_ALLOW_SWAP=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set
+# CONFIG_FIREWIRE_OHCI_REMOTE_DMA is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_DMA_API_DEBUG is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
+# CONFIG_ASYNC_RAID6_TEST is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_HAVE_ARCH_KMEMCHECK=y
+CONFIG_TEST_KSTRTOX=m
+CONFIG_STRICT_DEVMEM=y
+# CONFIG_X86_VERBOSE_BOOTUP is not set
+# CONFIG_EARLY_PRINTK is not set
+CONFIG_DEBUG_STACKOVERFLOW=y
+# CONFIG_X86_PTDUMP is not set
+CONFIG_DEBUG_RODATA=y
+# CONFIG_DEBUG_RODATA_TEST is not set
+CONFIG_DEBUG_SET_MODULE_RONX=y
+CONFIG_DEBUG_NX_TEST=m
+CONFIG_DOUBLEFAULT=y
+# CONFIG_DEBUG_TLBFLUSH is not set
+# CONFIG_IOMMU_STRESS is not set
+CONFIG_HAVE_MMIOTRACE_SUPPORT=y
+CONFIG_X86_DECODER_SELFTEST=y
+CONFIG_IO_DELAY_TYPE_0X80=0
+CONFIG_IO_DELAY_TYPE_0XED=1
+CONFIG_IO_DELAY_TYPE_UDELAY=2
+CONFIG_IO_DELAY_TYPE_NONE=3
+CONFIG_IO_DELAY_0X80=y
+# CONFIG_IO_DELAY_0XED is not set
+# CONFIG_IO_DELAY_UDELAY is not set
+# CONFIG_IO_DELAY_NONE is not set
+CONFIG_DEFAULT_IO_DELAY_TYPE=0
+CONFIG_DEBUG_BOOT_PARAMS=y
+# CONFIG_CPA_DEBUG is not set
+# CONFIG_OPTIMIZE_INLINING is not set
+# CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set
+CONFIG_DEBUG_NMI_SELFTEST=y
+
+#
+# Linux VServer
+#
+CONFIG_VSERVER_AUTO_LBACK=y
+CONFIG_VSERVER_AUTO_SINGLE=y
+# CONFIG_VSERVER_COWBL is not set
+# CONFIG_VSERVER_VTIME is not set
+# CONFIG_VSERVER_DEVICE is not set
+CONFIG_VSERVER_PROC_SECURE=y
+# CONFIG_TAGGING_NONE is not set
+# CONFIG_TAGGING_UID16 is not set
+# CONFIG_TAGGING_GID16 is not set
+CONFIG_TAGGING_ID24=y
+# CONFIG_TAGGING_INTERN is not set
+# CONFIG_TAG_NFSD is not set
+CONFIG_VSERVER_PRIVACY=y
+CONFIG_VSERVER_CONTEXTS=256
+CONFIG_VSERVER_WARN=y
+CONFIG_VSERVER_WARN_DEVPTS=y
+# CONFIG_VSERVER_DEBUG is not set
+# CONFIG_VSERVER_EXTRA_MNT_CHECK is not set
+CONFIG_QUOTES_ISO8859=y
+# CONFIG_QUOTES_UTF8 is not set
+# CONFIG_QUOTES_ASCII is not set
+CONFIG_VSERVER=y
+CONFIG_VSERVER_SECURITY=y
+# CONFIG_VSERVER_DISABLED is not set
+
+#
+# Security options
+#
+CONFIG_KEYS=y
+CONFIG_TRUSTED_KEYS=m
+CONFIG_ENCRYPTED_KEYS=m
+# CONFIG_KEYS_DEBUG_PROC_KEYS is not set
+# CONFIG_SECURITY_DMESG_RESTRICT is not set
+CONFIG_SECURITY=y
+CONFIG_SECURITYFS=y
+# CONFIG_SECURITY_NETWORK is not set
+# CONFIG_SECURITY_PATH is not set
+# CONFIG_INTEL_TXT is not set
+# CONFIG_SECURITY_TOMOYO is not set
+# CONFIG_SECURITY_APPARMOR is not set
+# CONFIG_SECURITY_YAMA is not set
+# CONFIG_IMA is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+CONFIG_XOR_BLOCKS=m
+CONFIG_ASYNC_CORE=m
+CONFIG_ASYNC_MEMCPY=m
+CONFIG_ASYNC_XOR=m
+CONFIG_ASYNC_PQ=m
+CONFIG_ASYNC_RAID6_RECOV=m
+CONFIG_ASYNC_TX_DISABLE_PQ_VAL_DMA=y
+CONFIG_ASYNC_TX_DISABLE_XOR_VAL_DMA=y
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD=m
+CONFIG_CRYPTO_AEAD2=y
+CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_BLKCIPHER2=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG=m
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=m
+CONFIG_CRYPTO_PCOMP2=y
+CONFIG_CRYPTO_MANAGER=m
+CONFIG_CRYPTO_MANAGER2=y
+CONFIG_CRYPTO_USER=m
+CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y
+CONFIG_CRYPTO_GF128MUL=m
+CONFIG_CRYPTO_NULL=m
+CONFIG_CRYPTO_PCRYPT=m
+CONFIG_CRYPTO_WORKQUEUE=y
+CONFIG_CRYPTO_CRYPTD=m
+CONFIG_CRYPTO_AUTHENC=m
+CONFIG_CRYPTO_TEST=m
+CONFIG_CRYPTO_ABLK_HELPER_X86=m
+CONFIG_CRYPTO_GLUE_HELPER_X86=m
+
+#
+# Authenticated Encryption with Associated Data
+#
+CONFIG_CRYPTO_CCM=m
+CONFIG_CRYPTO_GCM=m
+CONFIG_CRYPTO_SEQIV=m
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+CONFIG_CRYPTO_CTR=m
+CONFIG_CRYPTO_CTS=m
+CONFIG_CRYPTO_ECB=m
+CONFIG_CRYPTO_LRW=m
+CONFIG_CRYPTO_PCBC=m
+CONFIG_CRYPTO_XTS=m
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=m
+CONFIG_CRYPTO_XCBC=m
+CONFIG_CRYPTO_VMAC=m
+
+#
+# Digest
+#
+CONFIG_CRYPTO_CRC32C=m
+CONFIG_CRYPTO_CRC32C_INTEL=m
+CONFIG_CRYPTO_GHASH=m
+CONFIG_CRYPTO_MD4=m
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_MICHAEL_MIC=m
+CONFIG_CRYPTO_RMD128=m
+CONFIG_CRYPTO_RMD160=m
+CONFIG_CRYPTO_RMD256=m
+CONFIG_CRYPTO_RMD320=m
+CONFIG_CRYPTO_SHA1=m
+CONFIG_CRYPTO_SHA256=y
+CONFIG_CRYPTO_SHA512=m
+CONFIG_CRYPTO_TGR192=m
+CONFIG_CRYPTO_WP512=m
+
+#
+# Ciphers
+#
+CONFIG_CRYPTO_AES=m
+CONFIG_CRYPTO_AES_586=m
+CONFIG_CRYPTO_AES_NI_INTEL=m
+CONFIG_CRYPTO_ANUBIS=m
+CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_BLOWFISH=m
+CONFIG_CRYPTO_BLOWFISH_COMMON=m
+CONFIG_CRYPTO_CAMELLIA=m
+CONFIG_CRYPTO_CAST5=m
+CONFIG_CRYPTO_CAST6=m
+CONFIG_CRYPTO_DES=m
+CONFIG_CRYPTO_FCRYPT=m
+CONFIG_CRYPTO_KHAZAD=m
+CONFIG_CRYPTO_SALSA20=m
+CONFIG_CRYPTO_SALSA20_586=m
+CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_SERPENT_SSE2_586=m
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_TWOFISH_COMMON=m
+CONFIG_CRYPTO_TWOFISH_586=m
+
+#
+# Compression
+#
+CONFIG_CRYPTO_DEFLATE=m
+CONFIG_CRYPTO_ZLIB=m
+CONFIG_CRYPTO_LZO=m
+
+#
+# Random Number Generation
+#
+CONFIG_CRYPTO_ANSI_CPRNG=m
+CONFIG_CRYPTO_USER_API=m
+CONFIG_CRYPTO_USER_API_HASH=m
+CONFIG_CRYPTO_USER_API_SKCIPHER=m
+CONFIG_CRYPTO_HW=y
+CONFIG_CRYPTO_DEV_PADLOCK=m
+CONFIG_CRYPTO_DEV_PADLOCK_AES=m
+CONFIG_CRYPTO_DEV_PADLOCK_SHA=m
+CONFIG_CRYPTO_DEV_GEODE=m
+CONFIG_CRYPTO_DEV_HIFN_795X=m
+CONFIG_CRYPTO_DEV_HIFN_795X_RNG=y
+CONFIG_HAVE_KVM=y
+CONFIG_HAVE_KVM_IRQCHIP=y
+CONFIG_HAVE_KVM_EVENTFD=y
+CONFIG_KVM_APIC_ARCHITECTURE=y
+CONFIG_KVM_MMIO=y
+CONFIG_KVM_ASYNC_PF=y
+CONFIG_HAVE_KVM_MSI=y
+CONFIG_VIRTUALIZATION=y
+CONFIG_KVM=m
+CONFIG_KVM_INTEL=m
+CONFIG_KVM_AMD=m
+CONFIG_VHOST_NET=m
+CONFIG_TCM_VHOST=m
+# CONFIG_LGUEST is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_RAID6_PQ=m
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_STRNCPY_FROM_USER=y
+CONFIG_GENERIC_STRNLEN_USER=y
+CONFIG_GENERIC_FIND_FIRST_BIT=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_IOMAP=y
+CONFIG_GENERIC_IO=y
+CONFIG_CRC_CCITT=m
+CONFIG_CRC16=m
+CONFIG_CRC_T10DIF=m
+CONFIG_CRC_ITU_T=m
+CONFIG_CRC32=y
+# CONFIG_CRC32_SELFTEST is not set
+CONFIG_CRC32_SLICEBY8=y
+# CONFIG_CRC32_SLICEBY4 is not set
+# CONFIG_CRC32_SARWATE is not set
+# CONFIG_CRC32_BIT is not set
+CONFIG_CRC7=m
+CONFIG_LIBCRC32C=m
+CONFIG_CRC8=m
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=m
+CONFIG_LZO_COMPRESS=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_XZ_DEC=y
+CONFIG_XZ_DEC_X86=y
+CONFIG_XZ_DEC_POWERPC=y
+CONFIG_XZ_DEC_IA64=y
+CONFIG_XZ_DEC_ARM=y
+CONFIG_XZ_DEC_ARMTHUMB=y
+CONFIG_XZ_DEC_SPARC=y
+CONFIG_XZ_DEC_BCJ=y
+# CONFIG_XZ_DEC_TEST is not set
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_XZ=y
+CONFIG_DECOMPRESS_LZO=y
+CONFIG_GENERIC_ALLOCATOR=y
+CONFIG_REED_SOLOMON=m
+CONFIG_REED_SOLOMON_ENC8=y
+CONFIG_REED_SOLOMON_DEC8=y
+CONFIG_REED_SOLOMON_DEC16=y
+CONFIG_TEXTSEARCH=y
+CONFIG_TEXTSEARCH_KMP=m
+CONFIG_TEXTSEARCH_BM=m
+CONFIG_TEXTSEARCH_FSM=m
+CONFIG_BTREE=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_CHECK_SIGNATURE=y
+CONFIG_CPU_RMAP=y
+CONFIG_DQL=y
+CONFIG_NLATTR=y
+CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
+CONFIG_LRU_CACHE=m
+CONFIG_AVERAGE=y
+CONFIG_CORDIC=m
+CONFIG_DDR=y
diff --git a/main/linux-vserver/kernelconfig.x86.rej b/main/linux-vserver/kernelconfig.x86.rej
new file mode 100644
index 0000000000..da4f89a9dd
--- /dev/null
+++ b/main/linux-vserver/kernelconfig.x86.rej
@@ -0,0 +1,324 @@
+--- kernelconfig.x86_64
++++ kernelconfig.x86_64
+@@ -1,6 +1,6 @@
+ #
+ # Automatically generated file; DO NOT EDIT.
+-# Linux/x86_64 3.6.10-vs2.3.4.6 Kernel Configuration
++# Linux/x86_64 3.4.45-vs2.3.3.9 Kernel Configuration
+ #
+ CONFIG_64BIT=y
+ # CONFIG_X86_32 is not set
+@@ -9,6 +9,11 @@
+ CONFIG_INSTRUCTION_DECODER=y
+ CONFIG_OUTPUT_FORMAT="elf64-x86-64"
+ CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
++CONFIG_GENERIC_CMOS_UPDATE=y
++CONFIG_CLOCKSOURCE_WATCHDOG=y
++CONFIG_GENERIC_CLOCKEVENTS=y
++CONFIG_ARCH_CLOCKSOURCE_DATA=y
++CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
+ CONFIG_LOCKDEP_SUPPORT=y
+ CONFIG_STACKTRACE_SUPPORT=y
+ CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+@@ -43,12 +50,11 @@
+ CONFIG_X86_64_SMP=y
+ CONFIG_X86_HT=y
+ CONFIG_ARCH_HWEIGHT_CFLAGS="-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11"
++# CONFIG_KTIME_SCALAR is not set
+ CONFIG_ARCH_CPU_PROBE_RELEASE=y
+-CONFIG_ARCH_SUPPORTS_UPROBES=y
+ CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+ CONFIG_HAVE_IRQ_WORK=y
+ CONFIG_IRQ_WORK=y
+-CONFIG_BUILDTIME_EXTABLE_SORT=y
+
+ #
+ # General setup
+@@ -91,25 +97,8 @@
+ CONFIG_GENERIC_IRQ_SHOW=y
+ CONFIG_GENERIC_PENDING_IRQ=y
+ CONFIG_GENERIC_IRQ_CHIP=y
+-CONFIG_IRQ_DOMAIN=y
+-# CONFIG_IRQ_DOMAIN_DEBUG is not set
+ CONFIG_IRQ_FORCED_THREADING=y
+ CONFIG_SPARSE_IRQ=y
+-CONFIG_CLOCKSOURCE_WATCHDOG=y
+-CONFIG_ARCH_CLOCKSOURCE_DATA=y
+-CONFIG_GENERIC_TIME_VSYSCALL=y
+-CONFIG_GENERIC_CLOCKEVENTS=y
+-CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+-CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
+-CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
+-CONFIG_GENERIC_CMOS_UPDATE=y
+-
+-#
+-# Timers subsystem
+-#
+-CONFIG_TICK_ONESHOT=y
+-CONFIG_NO_HZ=y
+-CONFIG_HIGH_RES_TIMERS=y
+
+ #
+ # RCU Subsystem
+@@ -226,9 +217,7 @@
+ CONFIG_HAVE_ALIGNED_STRUCT_PAGE=y
+ CONFIG_HAVE_CMPXCHG_LOCAL=y
+ CONFIG_HAVE_CMPXCHG_DOUBLE=y
+-CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y
+ CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y
+-CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
+
+ #
+ # GCOV-based kernel profiling
+@@ -426,9 +420,7 @@
+ CONFIG_TRANSPARENT_HUGEPAGE=y
+ CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
+ # CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
+-CONFIG_CROSS_MEMORY_ATTACH=y
+ # CONFIG_CLEANCACHE is not set
+-# CONFIG_FRONTSWAP is not set
+ # CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
+ CONFIG_X86_RESERVE_LOW=64
+ CONFIG_MTRR=y
+@@ -604,7 +577,6 @@
+ CONFIG_SYSVIPC_COMPAT=y
+ CONFIG_KEYS_COMPAT=y
+ CONFIG_HAVE_TEXT_POKE_SMP=y
+-CONFIG_X86_DEV_DMA_OPS=y
+ CONFIG_NET=y
+ CONFIG_COMPAT_NETLINK_MESSAGES=y
+
+@@ -1097,6 +1064,7 @@
+ CONFIG_XPS=y
+ CONFIG_NETPRIO_CGROUP=m
+ CONFIG_BQL=y
++CONFIG_HAVE_BPF_JIT=y
+ CONFIG_BPF_JIT=y
+
+ #
+@@ -1106,69 +1074,13 @@
+ CONFIG_NET_TCPPROBE=m
+ # CONFIG_HAMRADIO is not set
+ # CONFIG_CAN is not set
+-CONFIG_IRDA=m
+-
+-#
+-# IrDA protocols
+-#
+-CONFIG_IRLAN=m
+-CONFIG_IRNET=m
+-CONFIG_IRCOMM=m
+-CONFIG_IRDA_ULTRA=y
+-
+-#
+-# IrDA options
+-#
+-CONFIG_IRDA_CACHE_LAST_LSAP=y
+-CONFIG_IRDA_FAST_RR=y
+-# CONFIG_IRDA_DEBUG is not set
+-
+-#
+-# Infrared-port device drivers
+-#
+-
+-#
+-# SIR device drivers
+-#
+-CONFIG_IRTTY_SIR=m
+-
+-#
+-# Dongle support
+-#
+-CONFIG_DONGLE=y
+-CONFIG_ESI_DONGLE=m
+-CONFIG_ACTISYS_DONGLE=m
+-CONFIG_TEKRAM_DONGLE=m
+-CONFIG_TOIM3232_DONGLE=m
+-CONFIG_LITELINK_DONGLE=m
+-CONFIG_MA600_DONGLE=m
+-CONFIG_GIRBIL_DONGLE=m
+-CONFIG_MCP2120_DONGLE=m
+-CONFIG_OLD_BELKIN_DONGLE=m
+-CONFIG_ACT200L_DONGLE=m
+-CONFIG_KINGSUN_DONGLE=m
+-CONFIG_KSDAZZLE_DONGLE=m
+-CONFIG_KS959_DONGLE=m
+-
+-#
+-# FIR device drivers
+-#
+-CONFIG_USB_IRDA=m
+-CONFIG_SIGMATEL_FIR=m
+-CONFIG_NSC_FIR=m
+-CONFIG_WINBOND_FIR=m
+-CONFIG_SMC_IRCC_FIR=m
+-CONFIG_ALI_FIR=m
+-CONFIG_VLSI_FIR=m
+-CONFIG_VIA_FIR=m
+-CONFIG_MCS_FIR=m
++# CONFIG_IRDA is not set
+ CONFIG_BT=m
+ CONFIG_BT_RFCOMM=m
+ CONFIG_BT_RFCOMM_TTY=y
+ CONFIG_BT_BNEP=m
+ CONFIG_BT_BNEP_MC_FILTER=y
+ CONFIG_BT_BNEP_PROTO_FILTER=y
+-CONFIG_BT_CMTP=m
+ CONFIG_BT_HIDP=m
+
+ #
+@@ -1239,7 +1145,6 @@
+ # CONFIG_CEPH_LIB_PRETTYDEBUG is not set
+ # CONFIG_CEPH_LIB_USE_DNS_RESOLVER is not set
+ # CONFIG_NFC is not set
+-CONFIG_HAVE_BPF_JIT=y
+
+ #
+ # Device Drivers
+@@ -1655,7 +1559,6 @@
+ CONFIG_SCSI_SRP=m
+ # CONFIG_SCSI_BFA_FC is not set
+ CONFIG_SCSI_VIRTIO=m
+-# CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
+ CONFIG_SCSI_DH=m
+ CONFIG_SCSI_DH_RDAC=m
+ CONFIG_SCSI_DH_HP_SW=m
+@@ -2607,14 +2421,6 @@
+ CONFIG_NVRAM=m
+ CONFIG_R3964=m
+ CONFIG_APPLICOM=m
+-
+-#
+-# PCMCIA character devices
+-#
+-CONFIG_SYNCLINK_CS=m
+-CONFIG_CARDMAN_4000=m
+-CONFIG_CARDMAN_4040=m
+-CONFIG_IPWIRELESS=m
+ CONFIG_MWAVE=m
+ CONFIG_RAW_DRIVER=m
+ CONFIG_MAX_RAW_DEVS=256
+@@ -3778,7 +3047,6 @@
+ CONFIG_MMC_WBSD=m
+ CONFIG_MMC_TIFM_SD=m
+ # CONFIG_MMC_SPI is not set
+-CONFIG_MMC_SDRICOH_CS=m
+ CONFIG_MMC_CB710=m
+ CONFIG_MMC_VIA_SDMMC=m
+ CONFIG_MMC_VUB300=m
+@@ -4055,58 +3312,42 @@
+ # CONFIG_ANDROID is not set
+ # CONFIG_PHONE is not set
+ # CONFIG_USB_WPAN_HCD is not set
+-# CONFIG_IPACK_BUS is not set
+-CONFIG_WIMAX_GDM72XX=m
+-# CONFIG_WIMAX_GDM72XX_QOS is not set
+-# CONFIG_WIMAX_GDM72XX_K_MODE is not set
+-# CONFIG_WIMAX_GDM72XX_WIMAX2 is not set
+-CONFIG_WIMAX_GDM72XX_USB=y
+-# CONFIG_WIMAX_GDM72XX_SDIO is not set
+-# CONFIG_CSR_WIFI is not set
+ CONFIG_X86_PLATFORM_DEVICES=y
+-CONFIG_ACER_WMI=m
+-CONFIG_ACERHDF=m
+-CONFIG_ASUS_LAPTOP=m
+-CONFIG_DELL_LAPTOP=m
++# CONFIG_ACER_WMI is not set
++# CONFIG_ACERHDF is not set
++# CONFIG_ASUS_LAPTOP is not set
++# CONFIG_DELL_LAPTOP is not set
+ CONFIG_DELL_WMI=m
+ CONFIG_DELL_WMI_AIO=m
+-CONFIG_FUJITSU_LAPTOP=m
+-# CONFIG_FUJITSU_LAPTOP_DEBUG is not set
++# CONFIG_FUJITSU_LAPTOP is not set
+ # CONFIG_FUJITSU_TABLET is not set
+-CONFIG_AMILO_RFKILL=m
+-CONFIG_HP_ACCEL=m
++# CONFIG_AMILO_RFKILL is not set
++# CONFIG_HP_ACCEL is not set
+ CONFIG_HP_WMI=m
+-CONFIG_MSI_LAPTOP=m
+-CONFIG_PANASONIC_LAPTOP=m
+-CONFIG_COMPAL_LAPTOP=m
+-CONFIG_SONY_LAPTOP=m
+-# CONFIG_SONYPI_COMPAT is not set
+-CONFIG_IDEAPAD_LAPTOP=m
+-CONFIG_THINKPAD_ACPI=m
+-CONFIG_THINKPAD_ACPI_ALSA_SUPPORT=y
+-# CONFIG_THINKPAD_ACPI_DEBUGFACILITIES is not set
+-# CONFIG_THINKPAD_ACPI_DEBUG is not set
+-# CONFIG_THINKPAD_ACPI_UNSAFE_LEDS is not set
+-CONFIG_THINKPAD_ACPI_VIDEO=y
+-CONFIG_THINKPAD_ACPI_HOTKEY_POLL=y
++# CONFIG_MSI_LAPTOP is not set
++# CONFIG_PANASONIC_LAPTOP is not set
++# CONFIG_COMPAL_LAPTOP is not set
++# CONFIG_SONY_LAPTOP is not set
++# CONFIG_IDEAPAD_LAPTOP is not set
++# CONFIG_THINKPAD_ACPI is not set
+ CONFIG_SENSORS_HDAPS=m
+ CONFIG_INTEL_MENLOW=m
+-CONFIG_EEEPC_LAPTOP=m
++# CONFIG_EEEPC_LAPTOP is not set
+ CONFIG_ASUS_WMI=m
+-CONFIG_ASUS_NB_WMI=m
+-CONFIG_EEEPC_WMI=m
++# CONFIG_ASUS_NB_WMI is not set
++# CONFIG_EEEPC_WMI is not set
+ CONFIG_ACPI_WMI=m
+ CONFIG_MSI_WMI=m
+ # CONFIG_TOPSTAR_LAPTOP is not set
+-CONFIG_ACPI_TOSHIBA=m
+-CONFIG_TOSHIBA_BT_RFKILL=m
+-CONFIG_ACPI_CMPC=m
++# CONFIG_ACPI_TOSHIBA is not set
++# CONFIG_TOSHIBA_BT_RFKILL is not set
++# CONFIG_ACPI_CMPC is not set
+ # CONFIG_INTEL_IPS is not set
+ # CONFIG_IBM_RTL is not set
+-CONFIG_XO15_EBOOK=m
++# CONFIG_XO15_EBOOK is not set
+ # CONFIG_SAMSUNG_LAPTOP is not set
+ CONFIG_MXM_WMI=m
+-CONFIG_INTEL_OAKTRAIL=m
++# CONFIG_INTEL_OAKTRAIL is not set
+ # CONFIG_SAMSUNG_Q10 is not set
+ # CONFIG_APPLE_GMUX is not set
+
+@@ -4515,7 +3730,6 @@
+ # CONFIG_DEBUG_RODATA_TEST is not set
+ CONFIG_DEBUG_SET_MODULE_RONX=y
+ CONFIG_DEBUG_NX_TEST=m
+-# CONFIG_DEBUG_TLBFLUSH is not set
+ # CONFIG_IOMMU_DEBUG is not set
+ # CONFIG_IOMMU_STRESS is not set
+ CONFIG_HAVE_MMIOTRACE_SUPPORT=y
+@@ -4687,13 +3898,11 @@
+ CONFIG_CRYPTO_SEED=m
+ CONFIG_CRYPTO_SERPENT=m
+ CONFIG_CRYPTO_SERPENT_SSE2_X86_64=m
+-CONFIG_CRYPTO_SERPENT_AVX_X86_64=m
+ CONFIG_CRYPTO_TEA=m
+ CONFIG_CRYPTO_TWOFISH=m
+ CONFIG_CRYPTO_TWOFISH_COMMON=m
+ CONFIG_CRYPTO_TWOFISH_X86_64=m
+ CONFIG_CRYPTO_TWOFISH_X86_64_3WAY=m
+-CONFIG_CRYPTO_TWOFISH_AVX_X86_64=m
+
+ #
+ # Compression
+@@ -4719,13 +3928,11 @@
+ CONFIG_KVM_APIC_ARCHITECTURE=y
+ CONFIG_KVM_MMIO=y
+ CONFIG_KVM_ASYNC_PF=y
+-CONFIG_HAVE_KVM_MSI=y
+ CONFIG_VIRTUALIZATION=y
+ CONFIG_KVM=m
+ CONFIG_KVM_INTEL=m
+ CONFIG_KVM_AMD=m
+ CONFIG_VHOST_NET=m
+-CONFIG_TCM_VHOST=m
+ # CONFIG_BINARY_PRINTF is not set
+
+ #
diff --git a/main/linux-vserver/kernelconfig.x86_64 b/main/linux-vserver/kernelconfig.x86_64
index 83ecfcb222..eead964627 100644
--- a/main/linux-vserver/kernelconfig.x86_64
+++ b/main/linux-vserver/kernelconfig.x86_64
@@ -1,6 +1,6 @@
#
# Automatically generated file; DO NOT EDIT.
-# Linux/x86_64 3.6.10-vs2.3.4.6 Kernel Configuration
+# Linux/x86_64 3.4.45-vs2.3.3.9 Kernel Configuration
#
CONFIG_64BIT=y
# CONFIG_X86_32 is not set
@@ -9,6 +9,11 @@ CONFIG_X86=y
CONFIG_INSTRUCTION_DECODER=y
CONFIG_OUTPUT_FORMAT="elf64-x86-64"
CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
+CONFIG_GENERIC_CMOS_UPDATE=y
+CONFIG_CLOCKSOURCE_WATCHDOG=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_ARCH_CLOCKSOURCE_DATA=y
+CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=y
@@ -23,7 +28,9 @@ CONFIG_GENERIC_GPIO=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
# CONFIG_RWSEM_GENERIC_SPINLOCK is not set
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_ARCH_HAS_CPU_RELAX=y
CONFIG_ARCH_HAS_DEFAULT_IDLE=y
CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
@@ -41,12 +48,11 @@ CONFIG_HAVE_INTEL_TXT=y
CONFIG_X86_64_SMP=y
CONFIG_X86_HT=y
CONFIG_ARCH_HWEIGHT_CFLAGS="-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11"
+# CONFIG_KTIME_SCALAR is not set
CONFIG_ARCH_CPU_PROBE_RELEASE=y
-CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
CONFIG_HAVE_IRQ_WORK=y
CONFIG_IRQ_WORK=y
-CONFIG_BUILDTIME_EXTABLE_SORT=y
#
# General setup
@@ -89,25 +95,8 @@ CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_PENDING_IRQ=y
CONFIG_GENERIC_IRQ_CHIP=y
-CONFIG_IRQ_DOMAIN=y
-# CONFIG_IRQ_DOMAIN_DEBUG is not set
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_SPARSE_IRQ=y
-CONFIG_CLOCKSOURCE_WATCHDOG=y
-CONFIG_ARCH_CLOCKSOURCE_DATA=y
-CONFIG_GENERIC_TIME_VSYSCALL=y
-CONFIG_GENERIC_CLOCKEVENTS=y
-CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
-CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
-CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
-CONFIG_GENERIC_CMOS_UPDATE=y
-
-#
-# Timers subsystem
-#
-CONFIG_TICK_ONESHOT=y
-CONFIG_NO_HZ=y
-CONFIG_HIGH_RES_TIMERS=y
#
# RCU Subsystem
@@ -115,7 +104,6 @@ CONFIG_HIGH_RES_TIMERS=y
CONFIG_TREE_RCU=y
# CONFIG_PREEMPT_RCU is not set
CONFIG_RCU_FANOUT=32
-CONFIG_RCU_FANOUT_LEAF=16
# CONFIG_RCU_FANOUT_EXACT is not set
CONFIG_RCU_FAST_NO_HZ=y
# CONFIG_TREE_RCU_TRACE is not set
@@ -131,7 +119,9 @@ CONFIG_CPUSETS=y
# CONFIG_PROC_PID_CPUSET is not set
CONFIG_CGROUP_CPUACCT=y
CONFIG_RESOURCE_COUNTERS=y
-# CONFIG_MEMCG is not set
+CONFIG_CGROUP_MEM_RES_CTLR=y
+# CONFIG_CGROUP_MEM_RES_CTLR_SWAP is not set
+# CONFIG_CGROUP_MEM_RES_CTLR_KMEM is not set
# CONFIG_CGROUP_PERF is not set
CONFIG_CGROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
@@ -146,6 +136,7 @@ CONFIG_IPC_NS=y
CONFIG_PID_NS=y
CONFIG_NET_NS=y
CONFIG_SCHED_AUTOGROUP=y
+CONFIG_MM_OWNER=y
# CONFIG_SYSFS_DEPRECATED is not set
# CONFIG_RELAY is not set
CONFIG_BLK_DEV_INITRD=y
@@ -184,6 +175,7 @@ CONFIG_HAVE_PERF_EVENTS=y
# Kernel Performance Events And Counters
#
CONFIG_PERF_EVENTS=y
+# CONFIG_PERF_COUNTERS is not set
# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_PCI_QUIRKS=y
@@ -210,7 +202,6 @@ CONFIG_HAVE_OPTPROBES=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_ATTRS=y
CONFIG_USE_GENERIC_SMP_HELPERS=y
-CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_HAVE_HW_BREAKPOINT=y
@@ -222,9 +213,7 @@ CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
CONFIG_HAVE_ALIGNED_STRUCT_PAGE=y
CONFIG_HAVE_CMPXCHG_LOCAL=y
CONFIG_HAVE_CMPXCHG_DOUBLE=y
-CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y
CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y
-CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
#
# GCOV-based kernel profiling
@@ -315,6 +304,11 @@ CONFIG_FREEZER=y
# Processor type and features
#
CONFIG_ZONE_DMA=y
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
CONFIG_SMP=y
CONFIG_X86_X2APIC=y
CONFIG_X86_MPPARSE=y
@@ -417,9 +411,7 @@ CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
# CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
-CONFIG_CROSS_MEMORY_ATTACH=y
# CONFIG_CLEANCACHE is not set
-# CONFIG_FRONTSWAP is not set
# CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
CONFIG_X86_RESERVE_LOW=64
CONFIG_MTRR=y
@@ -457,8 +449,6 @@ CONFIG_HIBERNATE_CALLBACKS=y
# CONFIG_HIBERNATION is not set
CONFIG_PM_SLEEP=y
CONFIG_PM_SLEEP_SMP=y
-# CONFIG_PM_AUTOSLEEP is not set
-# CONFIG_PM_WAKELOCKS is not set
# CONFIG_PM_RUNTIME is not set
CONFIG_PM=y
# CONFIG_PM_DEBUG is not set
@@ -529,7 +519,6 @@ CONFIG_X86_SPEEDSTEP_LIB=m
CONFIG_CPU_IDLE=y
CONFIG_CPU_IDLE_GOV_LADDER=y
CONFIG_CPU_IDLE_GOV_MENU=y
-# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
CONFIG_INTEL_IDLE=y
#
@@ -570,23 +559,7 @@ CONFIG_PCI_IOAPIC=y
CONFIG_PCI_LABEL=y
CONFIG_ISA_DMA_API=y
CONFIG_AMD_NB=y
-CONFIG_PCCARD=m
-CONFIG_PCMCIA=m
-CONFIG_PCMCIA_LOAD_CIS=y
-CONFIG_CARDBUS=y
-
-#
-# PC-card bridges
-#
-CONFIG_YENTA=m
-CONFIG_YENTA_O2=y
-CONFIG_YENTA_RICOH=y
-CONFIG_YENTA_TI=y
-CONFIG_YENTA_ENE_TUNE=y
-CONFIG_YENTA_TOSHIBA=y
-CONFIG_PD6729=m
-CONFIG_I82092=m
-CONFIG_PCCARD_NONSTATIC=y
+# CONFIG_PCCARD is not set
CONFIG_HOTPLUG_PCI=m
CONFIG_HOTPLUG_PCI_FAKE=m
CONFIG_HOTPLUG_PCI_ACPI=m
@@ -614,7 +587,6 @@ CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
CONFIG_SYSVIPC_COMPAT=y
CONFIG_KEYS_COMPAT=y
CONFIG_HAVE_TEXT_POKE_SMP=y
-CONFIG_X86_DEV_DMA_OPS=y
CONFIG_NET=y
CONFIG_COMPAT_NETLINK_MESSAGES=y
@@ -625,7 +597,6 @@ CONFIG_PACKET=m
CONFIG_UNIX=y
CONFIG_UNIX_DIAG=m
CONFIG_XFRM=y
-CONFIG_XFRM_ALGO=m
CONFIG_XFRM_USER=m
CONFIG_XFRM_SUB_POLICY=y
CONFIG_XFRM_MIGRATE=y
@@ -655,7 +626,6 @@ CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_PIMSM_V2=y
CONFIG_ARPD=y
CONFIG_SYN_COOKIES=y
-CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
CONFIG_INET_IPCOMP=m
@@ -749,7 +719,6 @@ CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
CONFIG_NF_CT_NETLINK_TIMEOUT=m
-# CONFIG_NETFILTER_NETLINK_QUEUE_CT is not set
CONFIG_NETFILTER_TPROXY=m
CONFIG_NETFILTER_XTABLES=m
@@ -770,7 +739,6 @@ CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=m
CONFIG_NETFILTER_XT_TARGET_CT=m
CONFIG_NETFILTER_XT_TARGET_DSCP=m
CONFIG_NETFILTER_XT_TARGET_HL=m
-CONFIG_NETFILTER_XT_TARGET_HMARK=m
CONFIG_NETFILTER_XT_TARGET_IDLETIMER=m
CONFIG_NETFILTER_XT_TARGET_LED=m
CONFIG_NETFILTER_XT_TARGET_LOG=m
@@ -931,6 +899,7 @@ CONFIG_IP_NF_ARP_MANGLE=m
#
CONFIG_NF_DEFRAG_IPV6=m
CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_IP6_NF_QUEUE=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
CONFIG_IP6_NF_MATCH_EUI64=m
@@ -1003,6 +972,7 @@ CONFIG_RDS=m
# CONFIG_RDS_DEBUG is not set
CONFIG_TIPC=m
# CONFIG_TIPC_ADVANCED is not set
+# CONFIG_TIPC_DEBUG is not set
CONFIG_ATM=m
CONFIG_ATM_CLIP=m
# CONFIG_ATM_CLIP_NO_ICMP is not set
@@ -1034,11 +1004,11 @@ CONFIG_IPDDP_ENCAP=y
CONFIG_IPDDP_DECAP=y
CONFIG_X25=m
CONFIG_LAPB=m
+# CONFIG_ECONET is not set
CONFIG_WAN_ROUTER=m
-CONFIG_PHONET=m
+# CONFIG_PHONET is not set
CONFIG_IEEE802154=m
CONFIG_IEEE802154_6LOWPAN=m
-CONFIG_MAC802154=m
CONFIG_NET_SCHED=y
#
@@ -1062,8 +1032,6 @@ CONFIG_NET_SCH_DRR=m
CONFIG_NET_SCH_MQPRIO=m
CONFIG_NET_SCH_CHOKE=m
CONFIG_NET_SCH_QFQ=m
-CONFIG_NET_SCH_CODEL=m
-CONFIG_NET_SCH_FQ_CODEL=m
CONFIG_NET_SCH_INGRESS=m
CONFIG_NET_SCH_PLUG=m
@@ -1089,7 +1057,6 @@ CONFIG_NET_EMATCH_NBYTE=m
CONFIG_NET_EMATCH_U32=m
CONFIG_NET_EMATCH_META=m
CONFIG_NET_EMATCH_TEXT=m
-CONFIG_NET_EMATCH_IPSET=m
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=m
CONFIG_NET_ACT_GACT=m
@@ -1112,6 +1079,7 @@ CONFIG_RFS_ACCEL=y
CONFIG_XPS=y
CONFIG_NETPRIO_CGROUP=m
CONFIG_BQL=y
+CONFIG_HAVE_BPF_JIT=y
CONFIG_BPF_JIT=y
#
@@ -1121,69 +1089,13 @@ CONFIG_NET_PKTGEN=m
CONFIG_NET_TCPPROBE=m
# CONFIG_HAMRADIO is not set
# CONFIG_CAN is not set
-CONFIG_IRDA=m
-
-#
-# IrDA protocols
-#
-CONFIG_IRLAN=m
-CONFIG_IRNET=m
-CONFIG_IRCOMM=m
-CONFIG_IRDA_ULTRA=y
-
-#
-# IrDA options
-#
-CONFIG_IRDA_CACHE_LAST_LSAP=y
-CONFIG_IRDA_FAST_RR=y
-# CONFIG_IRDA_DEBUG is not set
-
-#
-# Infrared-port device drivers
-#
-
-#
-# SIR device drivers
-#
-CONFIG_IRTTY_SIR=m
-
-#
-# Dongle support
-#
-CONFIG_DONGLE=y
-CONFIG_ESI_DONGLE=m
-CONFIG_ACTISYS_DONGLE=m
-CONFIG_TEKRAM_DONGLE=m
-CONFIG_TOIM3232_DONGLE=m
-CONFIG_LITELINK_DONGLE=m
-CONFIG_MA600_DONGLE=m
-CONFIG_GIRBIL_DONGLE=m
-CONFIG_MCP2120_DONGLE=m
-CONFIG_OLD_BELKIN_DONGLE=m
-CONFIG_ACT200L_DONGLE=m
-CONFIG_KINGSUN_DONGLE=m
-CONFIG_KSDAZZLE_DONGLE=m
-CONFIG_KS959_DONGLE=m
-
-#
-# FIR device drivers
-#
-CONFIG_USB_IRDA=m
-CONFIG_SIGMATEL_FIR=m
-CONFIG_NSC_FIR=m
-CONFIG_WINBOND_FIR=m
-CONFIG_SMC_IRCC_FIR=m
-CONFIG_ALI_FIR=m
-CONFIG_VLSI_FIR=m
-CONFIG_VIA_FIR=m
-CONFIG_MCS_FIR=m
+# CONFIG_IRDA is not set
CONFIG_BT=m
CONFIG_BT_RFCOMM=m
CONFIG_BT_RFCOMM_TTY=y
CONFIG_BT_BNEP=m
CONFIG_BT_BNEP_MC_FILTER=y
CONFIG_BT_BNEP_PROTO_FILTER=y
-CONFIG_BT_CMTP=m
CONFIG_BT_HIDP=m
#
@@ -1196,14 +1108,9 @@ CONFIG_BT_HCIUART_H4=y
CONFIG_BT_HCIUART_BCSP=y
CONFIG_BT_HCIUART_ATH3K=y
CONFIG_BT_HCIUART_LL=y
-# CONFIG_BT_HCIUART_3WIRE is not set
CONFIG_BT_HCIBCM203X=m
CONFIG_BT_HCIBPA10X=m
CONFIG_BT_HCIBFUSB=m
-CONFIG_BT_HCIDTL1=m
-CONFIG_BT_HCIBT3C=m
-CONFIG_BT_HCIBLUECARD=m
-CONFIG_BT_HCIBTUART=m
CONFIG_BT_HCIVHCI=m
CONFIG_BT_MRVL=m
CONFIG_BT_MRVL_SDIO=m
@@ -1223,11 +1130,11 @@ CONFIG_CFG80211=m
# CONFIG_NL80211_TESTMODE is not set
# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
# CONFIG_CFG80211_REG_DEBUG is not set
-# CONFIG_CFG80211_CERTIFICATION_ONUS is not set
CONFIG_CFG80211_DEFAULT_PS=y
# CONFIG_CFG80211_DEBUGFS is not set
# CONFIG_CFG80211_INTERNAL_REGDB is not set
CONFIG_CFG80211_WEXT=y
+CONFIG_WIRELESS_EXT_SYSFS=y
CONFIG_LIB80211=m
CONFIG_LIB80211_CRYPT_WEP=m
CONFIG_LIB80211_CRYPT_CCMP=m
@@ -1244,7 +1151,6 @@ CONFIG_MAC80211_RC_DEFAULT="pid"
# CONFIG_MAC80211_MESH is not set
CONFIG_MAC80211_LEDS=y
# CONFIG_MAC80211_DEBUGFS is not set
-# CONFIG_MAC80211_MESSAGE_TRACING is not set
# CONFIG_MAC80211_DEBUG_MENU is not set
CONFIG_WIMAX=m
CONFIG_WIMAX_DEBUG_LEVEL=8
@@ -1260,7 +1166,6 @@ CONFIG_CEPH_LIB=m
# CONFIG_CEPH_LIB_PRETTYDEBUG is not set
# CONFIG_CEPH_LIB_USE_DNS_RESOLVER is not set
# CONFIG_NFC is not set
-CONFIG_HAVE_BPF_JIT=y
#
# Device Drivers
@@ -1355,8 +1260,6 @@ CONFIG_MTD_SCB2_FLASH=m
CONFIG_MTD_NETtel=m
CONFIG_MTD_L440GX=m
CONFIG_MTD_PCI=m
-CONFIG_MTD_PCMCIA=m
-# CONFIG_MTD_PCMCIA_ANONYMOUS is not set
# CONFIG_MTD_GPIO_ADDR is not set
CONFIG_MTD_INTEL_VR_NOR=m
CONFIG_MTD_PLATRAM=m
@@ -1430,12 +1333,12 @@ CONFIG_MTD_UBI=m
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_MTD_UBI_BEB_RESERVE=1
# CONFIG_MTD_UBI_GLUEBI is not set
+# CONFIG_MTD_UBI_DEBUG is not set
CONFIG_PARPORT=m
CONFIG_PARPORT_PC=m
CONFIG_PARPORT_SERIAL=m
# CONFIG_PARPORT_PC_FIFO is not set
# CONFIG_PARPORT_PC_SUPERIO is not set
-CONFIG_PARPORT_PC_PCMCIA=m
# CONFIG_PARPORT_GSC is not set
CONFIG_PARPORT_AX88796=m
# CONFIG_PARPORT_1284 is not set
@@ -1512,8 +1415,7 @@ CONFIG_HMC6352=m
CONFIG_DS1682=m
CONFIG_TI_DAC7512=m
CONFIG_VMWARE_BALLOON=m
-# CONFIG_BMP085_I2C is not set
-# CONFIG_BMP085_SPI is not set
+CONFIG_BMP085=m
CONFIG_PCH_PHUB=m
# CONFIG_USB_SWITCH_FSA9480 is not set
CONFIG_C2PORT=m
@@ -1531,6 +1433,9 @@ CONFIG_EEPROM_93XX46=m
CONFIG_CB710_CORE=m
# CONFIG_CB710_DEBUG is not set
CONFIG_CB710_DEBUG_ASSUMPTIONS=y
+CONFIG_IWMC3200TOP=m
+# CONFIG_IWMC3200TOP_DEBUG is not set
+# CONFIG_IWMC3200TOP_DEBUGFS is not set
#
# Texas Instruments shared transport line discipline
@@ -1542,7 +1447,6 @@ CONFIG_SENSORS_LIS3_I2C=m
# Altera FPGA firmware download module
#
# CONFIG_ALTERA_STAPL is not set
-# CONFIG_INTEL_MEI is not set
CONFIG_HAVE_IDE=y
# CONFIG_IDE is not set
@@ -1572,6 +1476,7 @@ CONFIG_SCSI_MULTI_LUN=y
# CONFIG_SCSI_CONSTANTS is not set
# CONFIG_SCSI_LOGGING is not set
CONFIG_SCSI_SCAN_ASYNC=y
+CONFIG_SCSI_WAIT_SCAN=m
#
# SCSI Transports
@@ -1665,7 +1570,6 @@ CONFIG_SCSI_IPR_TRACE=y
# CONFIG_SCSI_IPR_DUMP is not set
CONFIG_SCSI_QLOGIC_1280=m
CONFIG_SCSI_QLA_FC=m
-CONFIG_TCM_QLA2XXX=m
CONFIG_SCSI_QLA_ISCSI=m
CONFIG_SCSI_LPFC=m
# CONFIG_SCSI_LPFC_DEBUG_FS is not set
@@ -1677,7 +1581,6 @@ CONFIG_SCSI_PM8001=m
CONFIG_SCSI_SRP=m
# CONFIG_SCSI_BFA_FC is not set
CONFIG_SCSI_VIRTIO=m
-# CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
CONFIG_SCSI_DH=m
CONFIG_SCSI_DH_RDAC=m
CONFIG_SCSI_DH_HP_SW=m
@@ -1775,7 +1678,6 @@ CONFIG_PATA_CMD640_PCI=m
CONFIG_PATA_MPIIX=m
CONFIG_PATA_NS87410=m
CONFIG_PATA_OPTI=m
-CONFIG_PATA_PCMCIA=m
CONFIG_PATA_PLATFORM=m
CONFIG_PATA_RZ1000=m
@@ -1804,6 +1706,7 @@ CONFIG_DM_CRYPT=m
CONFIG_DM_SNAPSHOT=m
CONFIG_DM_THIN_PROVISIONING=m
# CONFIG_DM_DEBUG_BLOCK_STACK_TRACING is not set
+# CONFIG_DM_DEBUG_SPACE_MAPS is not set
CONFIG_DM_MIRROR=m
CONFIG_DM_RAID=m
CONFIG_DM_LOG_USERSPACE=m
@@ -1822,7 +1725,6 @@ CONFIG_TCM_PSCSI=m
CONFIG_LOOPBACK_TARGET=m
CONFIG_TCM_FC=m
CONFIG_ISCSI_TARGET=m
-CONFIG_SBP_TARGET=m
CONFIG_FUSION=y
CONFIG_FUSION_SPI=m
CONFIG_FUSION_FC=m
@@ -1859,14 +1761,10 @@ CONFIG_EQUALIZER=m
CONFIG_MII=m
CONFIG_IEEE802154_DRIVERS=m
CONFIG_IEEE802154_FAKEHARD=m
-CONFIG_IEEE802154_FAKELB=m
-# CONFIG_IEEE802154_AT86RF230 is not set
CONFIG_IFB=m
CONFIG_NET_TEAM=m
-CONFIG_NET_TEAM_MODE_BROADCAST=m
CONFIG_NET_TEAM_MODE_ROUNDROBIN=m
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=m
-CONFIG_NET_TEAM_MODE_LOADBALANCE=m
CONFIG_MACVLAN=m
CONFIG_MACVTAP=m
CONFIG_NETCONSOLE=m
@@ -1888,7 +1786,6 @@ CONFIG_ARCNET_COM90xxIO=m
CONFIG_ARCNET_RIM_I=m
CONFIG_ARCNET_COM20020=m
CONFIG_ARCNET_COM20020_PCI=m
-CONFIG_ARCNET_COM20020_CS=m
CONFIG_ATM_DRIVERS=y
CONFIG_ATM_DUMMY=m
CONFIG_ATM_TCP=m
@@ -1926,8 +1823,6 @@ CONFIG_ATM_SOLOS=m
CONFIG_ETHERNET=y
CONFIG_MDIO=m
CONFIG_NET_VENDOR_3COM=y
-CONFIG_PCMCIA_3C574=m
-CONFIG_PCMCIA_3C589=m
CONFIG_VORTEX=m
CONFIG_TYPHOON=m
CONFIG_NET_VENDOR_ADAPTEC=y
@@ -1938,7 +1833,6 @@ CONFIG_ACENIC=m
CONFIG_NET_VENDOR_AMD=y
CONFIG_AMD8111_ETH=m
CONFIG_PCNET32=m
-CONFIG_PCMCIA_NMCLAN=m
CONFIG_NET_VENDOR_ATHEROS=y
CONFIG_ATL2=m
CONFIG_ATL1=m
@@ -1977,7 +1871,6 @@ CONFIG_DE4X5=m
CONFIG_WINBOND_840=m
CONFIG_DM9102=m
CONFIG_ULI526X=m
-CONFIG_PCMCIA_XIRCOM=m
CONFIG_NET_VENDOR_DLINK=y
CONFIG_DE600=m
CONFIG_DE620=m
@@ -1990,8 +1883,6 @@ CONFIG_NET_VENDOR_EXAR=y
CONFIG_S2IO=m
CONFIG_VXGE=m
# CONFIG_VXGE_DEBUG_TRACE_ALL is not set
-CONFIG_NET_VENDOR_FUJITSU=y
-CONFIG_PCMCIA_FMVJ18X=m
CONFIG_NET_VENDOR_HP=y
CONFIG_HP100=m
CONFIG_NET_VENDOR_INTEL=y
@@ -2000,13 +1891,10 @@ CONFIG_E1000=m
CONFIG_E1000E=m
CONFIG_IGB=m
CONFIG_IGB_DCA=y
-# CONFIG_IGB_PTP is not set
CONFIG_IGBVF=m
CONFIG_IXGB=m
CONFIG_IXGBE=m
-CONFIG_IXGBE_HWMON=y
CONFIG_IXGBE_DCA=y
-# CONFIG_IXGBE_PTP is not set
# CONFIG_IXGBEVF is not set
CONFIG_NET_VENDOR_I825XX=y
# CONFIG_ZNET is not set
@@ -2038,9 +1926,7 @@ CONFIG_NET_VENDOR_NATSEMI=y
CONFIG_NATSEMI=m
CONFIG_NS83820=m
CONFIG_NET_VENDOR_8390=y
-CONFIG_PCMCIA_AXNET=m
CONFIG_NE2K_PCI=m
-CONFIG_PCMCIA_PCNET=m
CONFIG_NET_VENDOR_NVIDIA=y
CONFIG_FORCEDETH=m
CONFIG_NET_VENDOR_OKI=y
@@ -2077,7 +1963,6 @@ CONFIG_SFC_MTD=y
CONFIG_SFC_MCDI_MON=y
CONFIG_SFC_SRIOV=y
CONFIG_NET_VENDOR_SMSC=y
-CONFIG_PCMCIA_SMC91C92=m
CONFIG_EPIC100=m
CONFIG_SMSC9420=m
CONFIG_NET_VENDOR_STMICRO=y
@@ -2101,14 +1986,6 @@ CONFIG_NET_VENDOR_VIA=y
CONFIG_VIA_RHINE=m
# CONFIG_VIA_RHINE_MMIO is not set
CONFIG_VIA_VELOCITY=m
-CONFIG_NET_VENDOR_WIZNET=y
-CONFIG_WIZNET_W5100=m
-CONFIG_WIZNET_W5300=m
-# CONFIG_WIZNET_BUS_DIRECT is not set
-# CONFIG_WIZNET_BUS_INDIRECT is not set
-CONFIG_WIZNET_BUS_ANY=y
-CONFIG_NET_VENDOR_XIRCOM=y
-CONFIG_PCMCIA_XIRC2PS=m
CONFIG_FDDI=y
CONFIG_DEFXX=m
# CONFIG_DEFXX_MMIO is not set
@@ -2131,7 +2008,6 @@ CONFIG_CICADA_PHY=m
CONFIG_VITESSE_PHY=m
CONFIG_SMSC_PHY=m
CONFIG_BROADCOM_PHY=m
-CONFIG_BCM87XX_PHY=m
CONFIG_ICPLUS_PHY=m
CONFIG_REALTEK_PHY=m
CONFIG_NATIONAL_PHY=m
@@ -2159,6 +2035,7 @@ CONFIG_SLHC=m
CONFIG_SLIP_COMPRESSED=y
CONFIG_SLIP_SMART=y
CONFIG_SLIP_MODE_SLIP6=y
+# CONFIG_TR is not set
#
# USB Network Adapters
@@ -2193,22 +2070,17 @@ CONFIG_USB_NET_KALMIA=m
CONFIG_USB_NET_QMI_WWAN=m
CONFIG_USB_HSO=m
CONFIG_USB_NET_INT51X1=m
-CONFIG_USB_CDC_PHONET=m
CONFIG_USB_IPHETH=m
CONFIG_USB_SIERRA_NET=m
CONFIG_USB_VL600=m
CONFIG_WLAN=y
-CONFIG_PCMCIA_RAYCS=m
CONFIG_LIBERTAS_THINFIRM=m
# CONFIG_LIBERTAS_THINFIRM_DEBUG is not set
CONFIG_LIBERTAS_THINFIRM_USB=m
CONFIG_AIRO=m
CONFIG_ATMEL=m
CONFIG_PCI_ATMEL=m
-CONFIG_PCMCIA_ATMEL=m
CONFIG_AT76C50X_USB=m
-CONFIG_AIRO_CS=m
-CONFIG_PCMCIA_WL3501=m
CONFIG_PRISM54=m
CONFIG_USB_ZD1201=m
CONFIG_USB_NET_RNDIS_WLAN=m
@@ -2230,6 +2102,7 @@ CONFIG_ATH9K=m
CONFIG_ATH9K_PCI=y
CONFIG_ATH9K_AHB=y
# CONFIG_ATH9K_DEBUGFS is not set
+# CONFIG_ATH9K_DFS_CERTIFIED is not set
CONFIG_ATH9K_RATE_CONTROL=y
CONFIG_ATH9K_HTC=m
# CONFIG_ATH9K_HTC_DEBUGFS is not set
@@ -2245,7 +2118,6 @@ CONFIG_B43=m
CONFIG_B43_SSB=y
CONFIG_B43_PCI_AUTOSELECT=y
CONFIG_B43_PCICORE_AUTOSELECT=y
-CONFIG_B43_PCMCIA=y
CONFIG_B43_SDIO=y
CONFIG_B43_PIO=y
CONFIG_B43_PHY_N=y
@@ -2271,7 +2143,6 @@ CONFIG_HOSTAP_FIRMWARE=y
CONFIG_HOSTAP_FIRMWARE_NVRAM=y
CONFIG_HOSTAP_PLX=m
CONFIG_HOSTAP_PCI=m
-CONFIG_HOSTAP_CS=m
CONFIG_IPW2100=m
CONFIG_IPW2100_MONITOR=y
# CONFIG_IPW2100_DEBUG is not set
@@ -2284,7 +2155,6 @@ CONFIG_IPW2200_QOS=y
CONFIG_LIBIPW=m
# CONFIG_LIBIPW_DEBUG is not set
CONFIG_IWLWIFI=m
-CONFIG_IWLDVM=m
#
# Debugging Options
@@ -2300,9 +2170,10 @@ CONFIG_IWL3945=m
# iwl3945 / iwl4965 Debugging Options
#
# CONFIG_IWLEGACY_DEBUG is not set
+CONFIG_IWM=m
+# CONFIG_IWM_DEBUG is not set
CONFIG_LIBERTAS=m
CONFIG_LIBERTAS_USB=m
-CONFIG_LIBERTAS_CS=m
CONFIG_LIBERTAS_SDIO=m
CONFIG_LIBERTAS_SPI=m
# CONFIG_LIBERTAS_DEBUG is not set
@@ -2313,8 +2184,6 @@ CONFIG_HERMES_CACHE_FW_ON_INIT=y
CONFIG_PLX_HERMES=m
CONFIG_TMD_HERMES=m
CONFIG_NORTEL_HERMES=m
-CONFIG_PCMCIA_HERMES=m
-CONFIG_PCMCIA_SPECTRUM=m
CONFIG_ORINOCO_USB=m
CONFIG_P54_COMMON=m
CONFIG_P54_USB=m
@@ -2330,7 +2199,6 @@ CONFIG_RT2800PCI=m
CONFIG_RT2800PCI_RT33XX=y
# CONFIG_RT2800PCI_RT35XX is not set
CONFIG_RT2800PCI_RT53XX=y
-CONFIG_RT2800PCI_RT3290=y
CONFIG_RT2500USB=m
CONFIG_RT73USB=m
CONFIG_RT2800USB=m
@@ -2353,28 +2221,27 @@ CONFIG_RTL8192CU=m
CONFIG_RTLWIFI=m
# CONFIG_RTLWIFI_DEBUG is not set
CONFIG_RTL8192C_COMMON=m
-CONFIG_WL_TI=y
CONFIG_WL1251=m
CONFIG_WL1251_SPI=m
CONFIG_WL1251_SDIO=m
+CONFIG_WL12XX_MENU=m
CONFIG_WL12XX=m
-CONFIG_WL18XX=m
-CONFIG_WLCORE=m
-CONFIG_WLCORE_SPI=m
-CONFIG_WLCORE_SDIO=m
+CONFIG_WL12XX_SPI=m
+CONFIG_WL12XX_SDIO=m
CONFIG_WL12XX_PLATFORM_DATA=y
CONFIG_ZD1211RW=m
# CONFIG_ZD1211RW_DEBUG is not set
CONFIG_MWIFIEX=m
CONFIG_MWIFIEX_SDIO=m
CONFIG_MWIFIEX_PCIE=m
-CONFIG_MWIFIEX_USB=m
#
# WiMAX Wireless Broadband devices
#
CONFIG_WIMAX_I2400M=m
CONFIG_WIMAX_I2400M_USB=m
+CONFIG_WIMAX_I2400M_SDIO=m
+CONFIG_WIMAX_IWMC3200_SDIO=y
CONFIG_WIMAX_I2400M_DEBUG_LEVEL=8
CONFIG_WAN=y
CONFIG_LANMEDIA=m
@@ -2406,56 +2273,7 @@ CONFIG_XEN_NETDEV_FRONTEND=y
CONFIG_XEN_NETDEV_BACKEND=m
CONFIG_VMXNET3=m
CONFIG_HYPERV_NET=m
-CONFIG_ISDN=y
-# CONFIG_ISDN_I4L is not set
-CONFIG_ISDN_CAPI=m
-# CONFIG_ISDN_DRV_AVMB1_VERBOSE_REASON is not set
-# CONFIG_CAPI_TRACE is not set
-CONFIG_ISDN_CAPI_MIDDLEWARE=y
-CONFIG_ISDN_CAPI_CAPI20=m
-
-#
-# CAPI hardware drivers
-#
-CONFIG_CAPI_AVM=y
-CONFIG_ISDN_DRV_AVMB1_B1PCI=m
-CONFIG_ISDN_DRV_AVMB1_B1PCIV4=y
-CONFIG_ISDN_DRV_AVMB1_B1PCMCIA=m
-CONFIG_ISDN_DRV_AVMB1_AVM_CS=m
-CONFIG_ISDN_DRV_AVMB1_T1PCI=m
-CONFIG_ISDN_DRV_AVMB1_C4=m
-CONFIG_CAPI_EICON=y
-CONFIG_ISDN_DIVAS=m
-CONFIG_ISDN_DIVAS_BRIPCI=y
-CONFIG_ISDN_DIVAS_PRIPCI=y
-CONFIG_ISDN_DIVAS_DIVACAPI=m
-CONFIG_ISDN_DIVAS_USERIDI=m
-CONFIG_ISDN_DIVAS_MAINT=m
-CONFIG_ISDN_DRV_GIGASET=m
-CONFIG_GIGASET_CAPI=y
-# CONFIG_GIGASET_DUMMYLL is not set
-CONFIG_GIGASET_BASE=m
-CONFIG_GIGASET_M105=m
-CONFIG_GIGASET_M101=m
-# CONFIG_GIGASET_DEBUG is not set
-CONFIG_HYSDN=m
-CONFIG_HYSDN_CAPI=y
-CONFIG_MISDN=m
-CONFIG_MISDN_DSP=m
-CONFIG_MISDN_L1OIP=m
-
-#
-# mISDN hardware drivers
-#
-CONFIG_MISDN_HFCPCI=m
-CONFIG_MISDN_HFCMULTI=m
-CONFIG_MISDN_HFCUSB=m
-CONFIG_MISDN_AVMFRITZ=m
-# CONFIG_MISDN_SPEEDFAX is not set
-# CONFIG_MISDN_INFINEON is not set
-# CONFIG_MISDN_W6692 is not set
-# CONFIG_MISDN_NETJET is not set
-CONFIG_MISDN_IPAC=m
+# CONFIG_ISDN is not set
#
# Input device support
@@ -2464,7 +2282,6 @@ CONFIG_INPUT=y
CONFIG_INPUT_FF_MEMLESS=m
CONFIG_INPUT_POLLDEV=m
CONFIG_INPUT_SPARSEKMAP=m
-# CONFIG_INPUT_MATRIXKMAP is not set
#
# Userland interfaces
@@ -2493,7 +2310,6 @@ CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_TCA8418 is not set
# CONFIG_KEYBOARD_MATRIX is not set
# CONFIG_KEYBOARD_LM8323 is not set
-# CONFIG_KEYBOARD_LM8333 is not set
# CONFIG_KEYBOARD_MAX7359 is not set
# CONFIG_KEYBOARD_MCS is not set
# CONFIG_KEYBOARD_MPR121 is not set
@@ -2542,15 +2358,12 @@ CONFIG_TOUCHSCREEN_FUJITSU=m
CONFIG_TOUCHSCREEN_GUNZE=m
CONFIG_TOUCHSCREEN_ELO=m
CONFIG_TOUCHSCREEN_WACOM_W8001=m
-# CONFIG_TOUCHSCREEN_WACOM_I2C is not set
# CONFIG_TOUCHSCREEN_MAX11801 is not set
# CONFIG_TOUCHSCREEN_MCS5000 is not set
-# CONFIG_TOUCHSCREEN_MMS114 is not set
CONFIG_TOUCHSCREEN_MTOUCH=m
CONFIG_TOUCHSCREEN_INEXIO=m
CONFIG_TOUCHSCREEN_MK712=m
CONFIG_TOUCHSCREEN_PENMOUNT=m
-# CONFIG_TOUCHSCREEN_EDT_FT5X06 is not set
CONFIG_TOUCHSCREEN_TOUCHRIGHT=m
CONFIG_TOUCHSCREEN_TOUCHWIN=m
CONFIG_TOUCHSCREEN_UCB1400=m
@@ -2560,6 +2373,7 @@ CONFIG_TOUCHSCREEN_WM9705=y
CONFIG_TOUCHSCREEN_WM9712=y
CONFIG_TOUCHSCREEN_WM9713=y
CONFIG_TOUCHSCREEN_USB_COMPOSITE=m
+# CONFIG_TOUCHSCREEN_MC13783 is not set
CONFIG_TOUCHSCREEN_USB_EGALAX=y
CONFIG_TOUCHSCREEN_USB_PANJIT=y
CONFIG_TOUCHSCREEN_USB_3M=y
@@ -2590,6 +2404,7 @@ CONFIG_INPUT_AD714X_I2C=m
CONFIG_INPUT_AD714X_SPI=m
# CONFIG_INPUT_BMA150 is not set
CONFIG_INPUT_PCSPKR=m
+# CONFIG_INPUT_MC13783_PWRBUTTON is not set
CONFIG_INPUT_MMA8450=m
CONFIG_INPUT_MPU3050=m
CONFIG_INPUT_APANEL=m
@@ -2666,7 +2481,6 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_PNP=y
-CONFIG_SERIAL_8250_CS=m
CONFIG_SERIAL_8250_NR_UARTS=16
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
CONFIG_SERIAL_8250_EXTENDED=y
@@ -2718,14 +2532,6 @@ CONFIG_HW_RANDOM_VIRTIO=m
CONFIG_NVRAM=m
CONFIG_R3964=m
CONFIG_APPLICOM=m
-
-#
-# PCMCIA character devices
-#
-CONFIG_SYNCLINK_CS=m
-CONFIG_CARDMAN_4000=m
-CONFIG_CARDMAN_4040=m
-CONFIG_IPWIRELESS=m
CONFIG_MWAVE=m
CONFIG_RAW_DRIVER=m
CONFIG_MAX_RAW_DEVS=256
@@ -2739,6 +2545,7 @@ CONFIG_TCG_ATMEL=m
CONFIG_TCG_INFINEON=m
CONFIG_TELCLOCK=m
CONFIG_DEVPORT=y
+CONFIG_RAMOOPS=m
CONFIG_I2C=m
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_COMPAT=y
@@ -2829,7 +2636,6 @@ CONFIG_SPI_LM70_LLP=m
# CONFIG_SPI_OC_TINY is not set
# CONFIG_SPI_PXA2XX_PCI is not set
CONFIG_SPI_TOPCLIFF_PCH=m
-CONFIG_SPI_XCOMM=m
# CONFIG_SPI_XILINX is not set
CONFIG_SPI_DESIGNWARE=m
CONFIG_SPI_DW_PCI=m
@@ -2869,7 +2675,6 @@ CONFIG_GPIO_MAX730X=m
# CONFIG_GPIO_GENERIC_PLATFORM is not set
CONFIG_GPIO_IT8761E=m
CONFIG_GPIO_SCH=m
-CONFIG_GPIO_ICH=m
CONFIG_GPIO_VX855=m
#
@@ -2885,8 +2690,7 @@ CONFIG_GPIO_ADP5588=m
# PCI GPIO expanders:
#
CONFIG_GPIO_CS5535=m
-CONFIG_GPIO_BT8XX=m
-CONFIG_GPIO_AMD8111=m
+# CONFIG_GPIO_BT8XX is not set
# CONFIG_GPIO_LANGWELL is not set
CONFIG_GPIO_PCH=m
CONFIG_GPIO_ML_IOH=m
@@ -2928,7 +2732,6 @@ CONFIG_POWER_SUPPLY=y
# CONFIG_CHARGER_LP8727 is not set
# CONFIG_CHARGER_GPIO is not set
# CONFIG_CHARGER_SMB347 is not set
-# CONFIG_POWER_AVS is not set
CONFIG_HWMON=m
CONFIG_HWMON_VID=m
# CONFIG_HWMON_DEBUG_CHIP is not set
@@ -2969,7 +2772,6 @@ CONFIG_SENSORS_G760A=m
CONFIG_SENSORS_GL518SM=m
CONFIG_SENSORS_GL520SM=m
CONFIG_SENSORS_GPIO_FAN=m
-# CONFIG_SENSORS_HIH6130 is not set
CONFIG_SENSORS_CORETEMP=m
CONFIG_SENSORS_IBMAEM=m
CONFIG_SENSORS_IBMPEX=m
@@ -3036,7 +2838,6 @@ CONFIG_SENSORS_ADS1015=m
CONFIG_SENSORS_ADS7828=m
CONFIG_SENSORS_ADS7871=m
CONFIG_SENSORS_AMC6821=m
-# CONFIG_SENSORS_INA2XX is not set
CONFIG_SENSORS_THMC50=m
CONFIG_SENSORS_TMP102=m
CONFIG_SENSORS_TMP401=m
@@ -3056,6 +2857,7 @@ CONFIG_SENSORS_W83L786NG=m
CONFIG_SENSORS_W83627HF=m
CONFIG_SENSORS_W83627EHF=m
CONFIG_SENSORS_APPLESMC=m
+# CONFIG_SENSORS_MC13783_ADC is not set
#
# ACPI drivers
@@ -3085,7 +2887,6 @@ CONFIG_IB700_WDT=m
CONFIG_IBMASR=m
CONFIG_WAFER_WDT=m
CONFIG_I6300ESB_WDT=m
-CONFIG_IE6XX_WDT=m
CONFIG_ITCO_WDT=m
CONFIG_ITCO_VENDOR_SUPPORT=y
CONFIG_IT8712F_WDT=m
@@ -3130,8 +2931,6 @@ CONFIG_SSB_BLOCKIO=y
CONFIG_SSB_PCIHOST_POSSIBLE=y
CONFIG_SSB_PCIHOST=y
CONFIG_SSB_B43_PCI_BRIDGE=y
-CONFIG_SSB_PCMCIAHOST_POSSIBLE=y
-CONFIG_SSB_PCMCIAHOST=y
CONFIG_SSB_SDIOHOST_POSSIBLE=y
CONFIG_SSB_SDIOHOST=y
# CONFIG_SSB_SILENT is not set
@@ -3153,7 +2952,6 @@ CONFIG_MFD_SM501=m
# CONFIG_MFD_SM501_GPIO is not set
CONFIG_HTC_PASIC3=m
CONFIG_UCB1400_CORE=m
-# CONFIG_MFD_LM3533 is not set
# CONFIG_TPS6105X is not set
CONFIG_TPS65010=m
CONFIG_TPS6507X=m
@@ -3162,515 +2960,25 @@ CONFIG_TPS6507X=m
# CONFIG_MFD_STMPE is not set
# CONFIG_MFD_TMIO is not set
# CONFIG_MFD_DA9052_SPI is not set
-# CONFIG_MFD_ARIZONA_I2C is not set
-# CONFIG_MFD_ARIZONA_SPI is not set
+CONFIG_MFD_WM8400=m
# CONFIG_MFD_WM831X_SPI is not set
CONFIG_MFD_PCF50633=m
CONFIG_PCF50633_ADC=m
CONFIG_PCF50633_GPIO=m
-# CONFIG_MFD_MC13XXX_SPI is not set
-# CONFIG_MFD_MC13XXX_I2C is not set
+CONFIG_MFD_MC13783=m
+CONFIG_MFD_MC13XXX=m
CONFIG_ABX500_CORE=y
# CONFIG_EZX_PCAP is not set
+# CONFIG_AB8500_CORE is not set
CONFIG_MFD_CS5535=m
CONFIG_MFD_TIMBERDALE=m
CONFIG_LPC_SCH=m
-CONFIG_LPC_ICH=m
CONFIG_MFD_RDC321X=m
CONFIG_MFD_JANZ_CMODIO=m
CONFIG_MFD_VX855=m
CONFIG_MFD_WL1273_CORE=m
# CONFIG_REGULATOR is not set
-CONFIG_MEDIA_SUPPORT=m
-
-#
-# Multimedia core support
-#
-CONFIG_MEDIA_CAMERA_SUPPORT=y
-# CONFIG_MEDIA_ANALOG_TV_SUPPORT is not set
-CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
-# CONFIG_MEDIA_RADIO_SUPPORT is not set
-CONFIG_MEDIA_RC_SUPPORT=y
-CONFIG_MEDIA_CONTROLLER=y
-CONFIG_VIDEO_DEV=m
-CONFIG_VIDEO_V4L2_COMMON=m
-CONFIG_VIDEO_V4L2_SUBDEV_API=y
-CONFIG_DVB_CORE=m
-CONFIG_DVB_NET=y
-
-#
-# Media drivers
-#
-CONFIG_VIDEO_SAA7146=m
-CONFIG_VIDEO_SAA7146_VV=m
-CONFIG_RC_CORE=m
-CONFIG_RC_MAP=m
-CONFIG_RC_DECODERS=y
-# CONFIG_LIRC is not set
-CONFIG_IR_NEC_DECODER=m
-CONFIG_IR_RC5_DECODER=m
-CONFIG_IR_RC6_DECODER=m
-CONFIG_IR_JVC_DECODER=m
-CONFIG_IR_SONY_DECODER=m
-CONFIG_IR_RC5_SZ_DECODER=m
-CONFIG_IR_SANYO_DECODER=m
-CONFIG_IR_MCE_KBD_DECODER=m
-CONFIG_RC_DEVICES=y
-CONFIG_RC_ATI_REMOTE=m
-CONFIG_IR_ENE=m
-CONFIG_IR_IMON=m
-CONFIG_IR_MCEUSB=m
-CONFIG_IR_ITE_CIR=m
-CONFIG_IR_FINTEK=m
-CONFIG_IR_NUVOTON=m
-CONFIG_IR_REDRAT3=m
-CONFIG_IR_STREAMZAP=m
-CONFIG_IR_WINBOND_CIR=m
-CONFIG_IR_IGUANA=m
-CONFIG_RC_LOOPBACK=m
-CONFIG_IR_GPIO_CIR=m
-CONFIG_MEDIA_ATTACH=y
-CONFIG_MEDIA_TUNER_SIMPLE=m
-CONFIG_MEDIA_TUNER_TDA827X=m
-CONFIG_MEDIA_TUNER_TDA18271=m
-CONFIG_MEDIA_TUNER_TDA9887=m
-CONFIG_MEDIA_TUNER_MT2060=m
-CONFIG_MEDIA_TUNER_MT2063=m
-CONFIG_MEDIA_TUNER_MT2266=m
-CONFIG_MEDIA_TUNER_MT2131=m
-CONFIG_MEDIA_TUNER_QT1010=m
-CONFIG_MEDIA_TUNER_XC2028=m
-CONFIG_MEDIA_TUNER_XC5000=m
-CONFIG_MEDIA_TUNER_XC4000=m
-CONFIG_MEDIA_TUNER_MXL5005S=m
-CONFIG_MEDIA_TUNER_MXL5007T=m
-CONFIG_MEDIA_TUNER_MC44S803=m
-CONFIG_MEDIA_TUNER_MAX2165=m
-CONFIG_MEDIA_TUNER_TDA18218=m
-CONFIG_MEDIA_TUNER_FC0011=m
-CONFIG_MEDIA_TUNER_FC0012=m
-CONFIG_MEDIA_TUNER_FC0013=m
-CONFIG_MEDIA_TUNER_TDA18212=m
-CONFIG_MEDIA_TUNER_TUA9001=m
-CONFIG_VIDEO_V4L2=m
-CONFIG_VIDEOBUF_GEN=m
-CONFIG_VIDEOBUF_DMA_SG=m
-CONFIG_VIDEOBUF_VMALLOC=m
-CONFIG_VIDEO_TVEEPROM=m
-CONFIG_VIDEO_TUNER=m
-CONFIG_V4L2_MEM2MEM_DEV=m
-CONFIG_VIDEOBUF2_CORE=m
-CONFIG_VIDEOBUF2_MEMOPS=m
-CONFIG_VIDEOBUF2_VMALLOC=m
-CONFIG_VIDEO_CAPTURE_DRIVERS=y
-# CONFIG_VIDEO_ADV_DEBUG is not set
-# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
-# CONFIG_VIDEO_HELPER_CHIPS_AUTO is not set
-CONFIG_VIDEO_IR_I2C=m
-
-#
-# Encoders, decoders, sensors and other helper chips
-#
-
-#
-# Audio decoders, processors and mixers
-#
-CONFIG_VIDEO_TVAUDIO=m
-CONFIG_VIDEO_TDA7432=m
-CONFIG_VIDEO_TDA9840=m
-CONFIG_VIDEO_TEA6415C=m
-CONFIG_VIDEO_TEA6420=m
-CONFIG_VIDEO_MSP3400=m
-CONFIG_VIDEO_CS5345=m
-CONFIG_VIDEO_CS53L32A=m
-CONFIG_VIDEO_TLV320AIC23B=m
-CONFIG_VIDEO_WM8775=m
-CONFIG_VIDEO_WM8739=m
-CONFIG_VIDEO_VP27SMPX=m
-
-#
-# RDS decoders
-#
-CONFIG_VIDEO_SAA6588=m
-
-#
-# Video decoders
-#
-CONFIG_VIDEO_ADV7180=m
-CONFIG_VIDEO_ADV7183=m
-CONFIG_VIDEO_BT819=m
-CONFIG_VIDEO_BT856=m
-CONFIG_VIDEO_BT866=m
-CONFIG_VIDEO_KS0127=m
-CONFIG_VIDEO_SAA7110=m
-CONFIG_VIDEO_SAA711X=m
-CONFIG_VIDEO_SAA7191=m
-CONFIG_VIDEO_TVP514X=m
-CONFIG_VIDEO_TVP5150=m
-CONFIG_VIDEO_TVP7002=m
-CONFIG_VIDEO_VPX3220=m
-
-#
-# Video and audio decoders
-#
-CONFIG_VIDEO_SAA717X=m
-CONFIG_VIDEO_CX25840=m
-
-#
-# MPEG video encoders
-#
-CONFIG_VIDEO_CX2341X=m
-
-#
-# Video encoders
-#
-CONFIG_VIDEO_SAA7127=m
-CONFIG_VIDEO_SAA7185=m
-CONFIG_VIDEO_ADV7170=m
-CONFIG_VIDEO_ADV7175=m
-CONFIG_VIDEO_ADV7343=m
-CONFIG_VIDEO_ADV7393=m
-CONFIG_VIDEO_AK881X=m
-
-#
-# Camera sensor devices
-#
-CONFIG_VIDEO_APTINA_PLL=m
-CONFIG_VIDEO_OV7670=m
-CONFIG_VIDEO_VS6624=m
-CONFIG_VIDEO_MT9M032=m
-CONFIG_VIDEO_MT9P031=m
-CONFIG_VIDEO_MT9T001=m
-CONFIG_VIDEO_MT9V011=m
-CONFIG_VIDEO_MT9V032=m
-CONFIG_VIDEO_TCM825X=m
-# CONFIG_VIDEO_SR030PC30 is not set
-CONFIG_VIDEO_NOON010PC30=m
-# CONFIG_VIDEO_M5MOLS is not set
-CONFIG_VIDEO_S5K6AA=m
-
-#
-# Flash devices
-#
-# CONFIG_VIDEO_ADP1653 is not set
-# CONFIG_VIDEO_AS3645A is not set
-
-#
-# Video improvement chips
-#
-CONFIG_VIDEO_UPD64031A=m
-CONFIG_VIDEO_UPD64083=m
-
-#
-# Miscelaneous helper chips
-#
-CONFIG_VIDEO_THS7303=m
-CONFIG_VIDEO_M52790=m
-# CONFIG_VIDEO_VIVI is not set
-CONFIG_V4L_USB_DRIVERS=y
-
-#
-# Webcam devices
-#
-CONFIG_USB_VIDEO_CLASS=m
-CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y
-CONFIG_USB_GSPCA=m
-CONFIG_USB_M5602=m
-CONFIG_USB_STV06XX=m
-CONFIG_USB_GL860=m
-CONFIG_USB_GSPCA_BENQ=m
-CONFIG_USB_GSPCA_CONEX=m
-CONFIG_USB_GSPCA_CPIA1=m
-CONFIG_USB_GSPCA_ETOMS=m
-CONFIG_USB_GSPCA_FINEPIX=m
-CONFIG_USB_GSPCA_JEILINJ=m
-CONFIG_USB_GSPCA_JL2005BCD=m
-CONFIG_USB_GSPCA_KINECT=m
-# CONFIG_USB_GSPCA_KONICA is not set
-CONFIG_USB_GSPCA_MARS=m
-CONFIG_USB_GSPCA_MR97310A=m
-CONFIG_USB_GSPCA_NW80X=m
-CONFIG_USB_GSPCA_OV519=m
-CONFIG_USB_GSPCA_OV534=m
-CONFIG_USB_GSPCA_OV534_9=m
-CONFIG_USB_GSPCA_PAC207=m
-CONFIG_USB_GSPCA_PAC7302=m
-CONFIG_USB_GSPCA_PAC7311=m
-CONFIG_USB_GSPCA_SE401=m
-CONFIG_USB_GSPCA_SN9C2028=m
-CONFIG_USB_GSPCA_SN9C20X=m
-CONFIG_USB_GSPCA_SONIXB=m
-CONFIG_USB_GSPCA_SONIXJ=m
-CONFIG_USB_GSPCA_SPCA500=m
-CONFIG_USB_GSPCA_SPCA501=m
-CONFIG_USB_GSPCA_SPCA505=m
-CONFIG_USB_GSPCA_SPCA506=m
-CONFIG_USB_GSPCA_SPCA508=m
-CONFIG_USB_GSPCA_SPCA561=m
-# CONFIG_USB_GSPCA_SPCA1528 is not set
-CONFIG_USB_GSPCA_SQ905=m
-CONFIG_USB_GSPCA_SQ905C=m
-# CONFIG_USB_GSPCA_SQ930X is not set
-CONFIG_USB_GSPCA_STK014=m
-CONFIG_USB_GSPCA_STV0680=m
-CONFIG_USB_GSPCA_SUNPLUS=m
-CONFIG_USB_GSPCA_T613=m
-CONFIG_USB_GSPCA_TOPRO=m
-CONFIG_USB_GSPCA_TV8532=m
-CONFIG_USB_GSPCA_VC032X=m
-CONFIG_USB_GSPCA_VICAM=m
-# CONFIG_USB_GSPCA_XIRLINK_CIT is not set
-CONFIG_USB_GSPCA_ZC3XX=m
-# CONFIG_USB_PWC is not set
-# CONFIG_VIDEO_CPIA2 is not set
-CONFIG_USB_ZR364XX=m
-CONFIG_USB_STKWEBCAM=m
-CONFIG_USB_S2255=m
-CONFIG_USB_SN9C102=m
-
-#
-# Webcam and/or TV USB devices
-#
-CONFIG_VIDEO_EM28XX=m
-CONFIG_VIDEO_EM28XX_ALSA=m
-# CONFIG_VIDEO_EM28XX_DVB is not set
-CONFIG_VIDEO_EM28XX_RC=m
-# CONFIG_V4L_ISA_PARPORT_DRIVERS is not set
-# CONFIG_V4L_PLATFORM_DRIVERS is not set
-CONFIG_V4L_MEM2MEM_DRIVERS=y
-CONFIG_VIDEO_MEM2MEM_TESTDEV=m
-CONFIG_DVB_MAX_ADAPTERS=8
-# CONFIG_DVB_DYNAMIC_MINORS is not set
-CONFIG_DVB_CAPTURE_DRIVERS=y
-
-#
-# Supported SAA7146 based PCI Adapters
-#
-CONFIG_TTPCI_EEPROM=m
-CONFIG_DVB_AV7110=m
-CONFIG_DVB_AV7110_OSD=y
-CONFIG_DVB_BUDGET_CORE=m
-CONFIG_DVB_BUDGET=m
-CONFIG_DVB_BUDGET_CI=m
-CONFIG_DVB_BUDGET_AV=m
-CONFIG_DVB_BUDGET_PATCH=m
-
-#
-# Supported USB Adapters
-#
-CONFIG_DVB_USB=m
-# CONFIG_DVB_USB_DEBUG is not set
-CONFIG_DVB_USB_A800=m
-CONFIG_DVB_USB_DIBUSB_MB=m
-# CONFIG_DVB_USB_DIBUSB_MB_FAULTY is not set
-CONFIG_DVB_USB_DIBUSB_MC=m
-CONFIG_DVB_USB_DIB0700=m
-CONFIG_DVB_USB_UMT_010=m
-CONFIG_DVB_USB_CXUSB=m
-CONFIG_DVB_USB_M920X=m
-CONFIG_DVB_USB_GL861=m
-CONFIG_DVB_USB_AU6610=m
-CONFIG_DVB_USB_DIGITV=m
-CONFIG_DVB_USB_VP7045=m
-CONFIG_DVB_USB_VP702X=m
-CONFIG_DVB_USB_GP8PSK=m
-CONFIG_DVB_USB_NOVA_T_USB2=m
-CONFIG_DVB_USB_TTUSB2=m
-CONFIG_DVB_USB_DTT200U=m
-CONFIG_DVB_USB_OPERA1=m
-CONFIG_DVB_USB_AF9005=m
-CONFIG_DVB_USB_AF9005_REMOTE=m
-CONFIG_DVB_USB_PCTV452E=m
-CONFIG_DVB_USB_DW2102=m
-CONFIG_DVB_USB_CINERGY_T2=m
-CONFIG_DVB_USB_ANYSEE=m
-CONFIG_DVB_USB_DTV5100=m
-CONFIG_DVB_USB_AF9015=m
-CONFIG_DVB_USB_CE6230=m
-CONFIG_DVB_USB_FRIIO=m
-CONFIG_DVB_USB_EC168=m
-CONFIG_DVB_USB_AZ6007=m
-CONFIG_DVB_USB_AZ6027=m
-CONFIG_DVB_USB_LME2510=m
-CONFIG_DVB_USB_TECHNISAT_USB2=m
-CONFIG_DVB_USB_IT913X=m
-CONFIG_DVB_USB_MXL111SF=m
-CONFIG_DVB_USB_RTL28XXU=m
-CONFIG_DVB_USB_AF9035=m
-CONFIG_DVB_TTUSB_BUDGET=m
-CONFIG_DVB_TTUSB_DEC=m
-CONFIG_SMS_SIANO_MDTV=m
-
-#
-# Siano module components
-#
-# CONFIG_SMS_USB_DRV is not set
-# CONFIG_SMS_SDIO_DRV is not set
-
-#
-# Supported FlexCopII (B2C2) Adapters
-#
-CONFIG_DVB_B2C2_FLEXCOP=m
-CONFIG_DVB_B2C2_FLEXCOP_PCI=m
-CONFIG_DVB_B2C2_FLEXCOP_USB=m
-# CONFIG_DVB_B2C2_FLEXCOP_DEBUG is not set
-
-#
-# Supported BT878 Adapters
-#
-
-#
-# Supported Pluto2 Adapters
-#
-CONFIG_DVB_PLUTO2=m
-
-#
-# Supported SDMC DM1105 Adapters
-#
-CONFIG_DVB_DM1105=m
-
-#
-# Supported FireWire (IEEE 1394) Adapters
-#
-CONFIG_DVB_FIREDTV=m
-CONFIG_DVB_FIREDTV_INPUT=y
-
-#
-# Supported Earthsoft PT1 Adapters
-#
-CONFIG_DVB_PT1=m
-
-#
-# Supported Mantis Adapters
-#
-CONFIG_MANTIS_CORE=m
-CONFIG_DVB_MANTIS=m
-CONFIG_DVB_HOPPER=m
-
-#
-# Supported nGene Adapters
-#
-CONFIG_DVB_NGENE=m
-
-#
-# Supported ddbridge ('Octopus') Adapters
-#
-CONFIG_DVB_DDBRIDGE=m
-
-#
-# Supported DVB Frontends
-#
-# CONFIG_DVB_FE_CUSTOMISE is not set
-
-#
-# Multistandard (satellite) frontends
-#
-CONFIG_DVB_STB0899=m
-CONFIG_DVB_STB6100=m
-CONFIG_DVB_STV090x=m
-CONFIG_DVB_STV6110x=m
-
-#
-# Multistandard (cable + terrestrial) frontends
-#
-CONFIG_DVB_DRXK=m
-CONFIG_DVB_TDA18271C2DD=m
-
-#
-# DVB-S (satellite) frontends
-#
-CONFIG_DVB_CX24123=m
-CONFIG_DVB_MT312=m
-CONFIG_DVB_ZL10039=m
-CONFIG_DVB_S5H1420=m
-CONFIG_DVB_STV0288=m
-CONFIG_DVB_STB6000=m
-CONFIG_DVB_STV0299=m
-CONFIG_DVB_STV6110=m
-CONFIG_DVB_STV0900=m
-CONFIG_DVB_TDA8083=m
-CONFIG_DVB_TDA10086=m
-CONFIG_DVB_TDA8261=m
-CONFIG_DVB_VES1X93=m
-CONFIG_DVB_TUNER_ITD1000=m
-CONFIG_DVB_TUNER_CX24113=m
-CONFIG_DVB_TDA826X=m
-CONFIG_DVB_TUA6100=m
-CONFIG_DVB_CX24116=m
-CONFIG_DVB_SI21XX=m
-CONFIG_DVB_DS3000=m
-CONFIG_DVB_MB86A16=m
-
-#
-# DVB-T (terrestrial) frontends
-#
-CONFIG_DVB_SP8870=m
-CONFIG_DVB_CX22700=m
-CONFIG_DVB_CX22702=m
-CONFIG_DVB_L64781=m
-CONFIG_DVB_TDA1004X=m
-CONFIG_DVB_NXT6000=m
-CONFIG_DVB_MT352=m
-CONFIG_DVB_ZL10353=m
-CONFIG_DVB_DIB3000MB=m
-CONFIG_DVB_DIB3000MC=m
-CONFIG_DVB_DIB7000M=m
-CONFIG_DVB_DIB7000P=m
-CONFIG_DVB_AF9013=m
-CONFIG_DVB_EC100=m
-CONFIG_DVB_CXD2820R=m
-CONFIG_DVB_RTL2830=m
-CONFIG_DVB_RTL2832=m
-
-#
-# DVB-C (cable) frontends
-#
-CONFIG_DVB_VES1820=m
-CONFIG_DVB_TDA10021=m
-CONFIG_DVB_TDA10023=m
-CONFIG_DVB_STV0297=m
-
-#
-# ATSC (North American/Korean Terrestrial/Cable DTV) frontends
-#
-CONFIG_DVB_NXT200X=m
-CONFIG_DVB_BCM3510=m
-CONFIG_DVB_LGDT330X=m
-CONFIG_DVB_LGDT3305=m
-CONFIG_DVB_LG2160=m
-CONFIG_DVB_S5H1411=m
-
-#
-# ISDB-T (terrestrial) frontends
-#
-CONFIG_DVB_DIB8000=m
-
-#
-# Digital terrestrial only tuners/PLL
-#
-CONFIG_DVB_PLL=m
-CONFIG_DVB_TUNER_DIB0070=m
-CONFIG_DVB_TUNER_DIB0090=m
-
-#
-# SEC control devices for DVB-S
-#
-CONFIG_DVB_LNBP21=m
-CONFIG_DVB_LNBP22=m
-CONFIG_DVB_ISL6421=m
-CONFIG_DVB_ISL6423=m
-CONFIG_DVB_LGS8GXX=m
-CONFIG_DVB_ATBM8830=m
-CONFIG_DVB_TDA665x=m
-CONFIG_DVB_IX2505V=m
-CONFIG_DVB_IT913X_FE=m
-CONFIG_DVB_M88RS2000=m
-CONFIG_DVB_AF9033=m
-
-#
-# Tools to develop new frontends
-#
-# CONFIG_DVB_DUMMY_FE is not set
+# CONFIG_MEDIA_SUPPORT is not set
#
# Graphics support
@@ -3708,14 +3016,10 @@ CONFIG_DRM_SIS=m
CONFIG_DRM_VIA=m
CONFIG_DRM_SAVAGE=m
CONFIG_DRM_VMWGFX=m
-CONFIG_DRM_VMWGFX_FBCON=y
CONFIG_DRM_GMA500=m
CONFIG_DRM_GMA600=y
CONFIG_DRM_GMA3600=y
# CONFIG_DRM_UDL is not set
-CONFIG_DRM_AST=m
-CONFIG_DRM_MGAG200=m
-CONFIG_DRM_CIRRUS_QEMU=m
# CONFIG_STUB_POULSBO is not set
CONFIG_VGASTATE=m
CONFIG_VIDEO_OUTPUT_CONTROL=m
@@ -3826,7 +3130,6 @@ CONFIG_FB_MB862XX=m
CONFIG_FB_MB862XX_PCI_GDC=y
CONFIG_FB_MB862XX_I2C=y
CONFIG_FB_BROADSHEET=m
-# CONFIG_FB_AUO_K190X is not set
# CONFIG_EXYNOS_VIDEO is not set
CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_LCD_CLASS_DEVICE=m
@@ -3844,7 +3147,6 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=m
CONFIG_BACKLIGHT_GENERIC=m
CONFIG_BACKLIGHT_PROGEAR=m
CONFIG_BACKLIGHT_CARILLO_RANCH=m
-CONFIG_BACKLIGHT_PWM=m
# CONFIG_BACKLIGHT_APPLE is not set
CONFIG_BACKLIGHT_SAHARA=m
CONFIG_BACKLIGHT_ADP8860=m
@@ -3915,7 +3217,6 @@ CONFIG_SND_AC97_POWER_SAVE=y
CONFIG_SND_AC97_POWER_SAVE_DEFAULT=0
CONFIG_SND_SB_COMMON=m
CONFIG_SND_SB16_DSP=m
-CONFIG_SND_TEA575X=m
CONFIG_SND_PCI=y
CONFIG_SND_AD1889=m
CONFIG_SND_ALS300=m
@@ -3962,9 +3263,7 @@ CONFIG_SND_ENS1371=m
CONFIG_SND_ES1938=m
CONFIG_SND_ES1968=m
CONFIG_SND_ES1968_INPUT=y
-CONFIG_SND_ES1968_RADIO=y
CONFIG_SND_FM801=m
-# CONFIG_SND_FM801_TEA575X_BOOL is not set
CONFIG_SND_HDA_INTEL=m
CONFIG_SND_HDA_PREALLOC_SIZE=4096
CONFIG_SND_HDA_HWDEP=y
@@ -3974,6 +3273,7 @@ CONFIG_SND_HDA_INPUT_BEEP_MODE=0
CONFIG_SND_HDA_INPUT_JACK=y
# CONFIG_SND_HDA_PATCH_LOADER is not set
CONFIG_SND_HDA_CODEC_REALTEK=y
+CONFIG_SND_HDA_ENABLE_REALTEK_QUIRKS=y
CONFIG_SND_HDA_CODEC_ANALOG=y
CONFIG_SND_HDA_CODEC_SIGMATEL=y
CONFIG_SND_HDA_CODEC_VIA=y
@@ -4024,14 +3324,10 @@ CONFIG_SND_FIREWIRE=y
CONFIG_SND_FIREWIRE_LIB=m
CONFIG_SND_FIREWIRE_SPEAKERS=m
CONFIG_SND_ISIGHT=m
-CONFIG_SND_PCMCIA=y
-CONFIG_SND_VXPOCKET=m
-CONFIG_SND_PDAUDIOCF=m
CONFIG_SND_SOC=m
CONFIG_SND_SOC_I2C_AND_SPI=m
CONFIG_SND_SOC_ALL_CODECS=m
CONFIG_SND_SOC_WM_HUBS=m
-CONFIG_SND_SOC_AB8500_CODEC=m
CONFIG_SND_SOC_AD1836=m
CONFIG_SND_SOC_AD193X=m
CONFIG_SND_SOC_AD73311=m
@@ -4046,7 +3342,6 @@ CONFIG_SND_SOC_AK4671=m
CONFIG_SND_SOC_ALC5623=m
CONFIG_SND_SOC_ALC5632=m
CONFIG_SND_SOC_CS42L51=m
-CONFIG_SND_SOC_CS42L52=m
CONFIG_SND_SOC_CS42L73=m
CONFIG_SND_SOC_CS4270=m
CONFIG_SND_SOC_CS4271=m
@@ -4054,10 +3349,7 @@ CONFIG_SND_SOC_CX20442=m
CONFIG_SND_SOC_JZ4740_CODEC=m
CONFIG_SND_SOC_L3=m
CONFIG_SND_SOC_DA7210=m
-CONFIG_SND_SOC_DA732X=m
CONFIG_SND_SOC_DFBMCS320=m
-CONFIG_SND_SOC_ISABELLE=m
-CONFIG_SND_SOC_LM49453=m
CONFIG_SND_SOC_MAX98088=m
CONFIG_SND_SOC_MAX98095=m
CONFIG_SND_SOC_MAX9850=m
@@ -4067,7 +3359,6 @@ CONFIG_SND_SOC_SGTL5000=m
CONFIG_SND_SOC_SPDIF=m
CONFIG_SND_SOC_SSM2602=m
CONFIG_SND_SOC_STA32X=m
-CONFIG_SND_SOC_STA529=m
CONFIG_SND_SOC_TLV320AIC23=m
CONFIG_SND_SOC_TLV320AIC26=m
CONFIG_SND_SOC_TLV320AIC32X4=m
@@ -4080,6 +3371,7 @@ CONFIG_SND_SOC_WM1250_EV1=m
CONFIG_SND_SOC_WM2000=m
CONFIG_SND_SOC_WM2200=m
CONFIG_SND_SOC_WM5100=m
+CONFIG_SND_SOC_WM8400=m
CONFIG_SND_SOC_WM8510=m
CONFIG_SND_SOC_WM8523=m
CONFIG_SND_SOC_WM8580=m
@@ -4119,19 +3411,25 @@ CONFIG_SND_SOC_WM9090=m
CONFIG_SND_SOC_LM4857=m
CONFIG_SND_SOC_MAX9768=m
CONFIG_SND_SOC_MAX9877=m
-CONFIG_SND_SOC_ML26124=m
CONFIG_SND_SOC_TPA6130A2=m
-CONFIG_SND_SIMPLE_CARD=m
# CONFIG_SOUND_PRIME is not set
CONFIG_AC97_BUS=m
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=m
+CONFIG_HIDRAW=y
#
-# HID support
+# USB Input Devices
#
-CONFIG_HID=m
-CONFIG_HIDRAW=y
-CONFIG_UHID=m
-CONFIG_HID_GENERIC=m
+CONFIG_USB_HID=m
+# CONFIG_HID_PID is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+CONFIG_USB_KBD=m
+CONFIG_USB_MOUSE=m
#
# Special HID drivers
@@ -4139,7 +3437,6 @@ CONFIG_HID_GENERIC=m
# CONFIG_HID_A4TECH is not set
# CONFIG_HID_ACRUX is not set
CONFIG_HID_APPLE=m
-# CONFIG_HID_AUREAL is not set
# CONFIG_HID_BELKIN is not set
# CONFIG_HID_CHERRY is not set
# CONFIG_HID_CHICONY is not set
@@ -4158,7 +3455,6 @@ CONFIG_HID_KEYTOUCH=m
# CONFIG_HID_TWINHAN is not set
# CONFIG_HID_KENSINGTON is not set
CONFIG_HID_LCPOWER=m
-CONFIG_HID_LENOVO_TPKBD=m
# CONFIG_HID_LOGITECH is not set
CONFIG_HID_MAGICMOUSE=m
# CONFIG_HID_MICROSOFT is not set
@@ -4190,19 +3486,6 @@ CONFIG_HID_HYPERV_MOUSE=m
# CONFIG_HID_WIIMOTE is not set
# CONFIG_HID_ZEROPLUS is not set
CONFIG_HID_ZYDACRON=m
-
-#
-# USB HID support
-#
-CONFIG_USB_HID=m
-# CONFIG_HID_PID is not set
-# CONFIG_USB_HIDDEV is not set
-
-#
-# USB HID Boot Protocol drivers
-#
-CONFIG_USB_KBD=m
-CONFIG_USB_MOUSE=m
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB_ARCH_HAS_XHCI=y
@@ -4216,11 +3499,12 @@ CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
#
# Miscellaneous USB options
#
+CONFIG_USB_DEVICEFS=y
+CONFIG_USB_DEVICE_CLASS=y
# CONFIG_USB_DYNAMIC_MINORS is not set
# CONFIG_USB_OTG_WHITELIST is not set
# CONFIG_USB_OTG_BLACKLIST_HUB is not set
CONFIG_USB_MON=m
-CONFIG_USB_WUSB=m
CONFIG_USB_WUSB_CBAF=m
# CONFIG_USB_WUSB_CBAF_DEBUG is not set
@@ -4248,12 +3532,7 @@ CONFIG_USB_UHCI_HCD=m
CONFIG_USB_U132_HCD=m
CONFIG_USB_SL811_HCD=m
CONFIG_USB_SL811_HCD_ISO=y
-CONFIG_USB_SL811_CS=m
CONFIG_USB_R8A66597_HCD=m
-CONFIG_USB_WHCI_HCD=m
-CONFIG_USB_HWA_HCD=m
-CONFIG_USB_HCD_SSB=m
-# CONFIG_USB_CHIPIDEA is not set
#
# USB Device Class drivers
@@ -4285,7 +3564,6 @@ CONFIG_USB_STORAGE_ONETOUCH=m
CONFIG_USB_STORAGE_KARMA=m
CONFIG_USB_STORAGE_CYPRESS_ATACB=m
CONFIG_USB_STORAGE_ENE_UB6250=m
-CONFIG_USB_UAS=m
CONFIG_USB_LIBUSUAL=y
#
@@ -4353,7 +3631,6 @@ CONFIG_USB_SERIAL_OPTICON=m
CONFIG_USB_SERIAL_VIVOPAY_SERIAL=m
CONFIG_USB_SERIAL_ZIO=m
# CONFIG_USB_SERIAL_SSU100 is not set
-CONFIG_USB_SERIAL_QT2=m
CONFIG_USB_SERIAL_DEBUG=m
#
@@ -4380,11 +3657,6 @@ CONFIG_USB_IOWARRIOR=m
CONFIG_USB_TEST=m
CONFIG_USB_ISIGHTFW=m
# CONFIG_USB_YUREX is not set
-
-#
-# USB Physical Layer drivers
-#
-# CONFIG_USB_ISP1301 is not set
CONFIG_USB_ATM=m
CONFIG_USB_SPEEDTOUCH=m
CONFIG_USB_CXACRU=m
@@ -4398,10 +3670,7 @@ CONFIG_USB_XUSBATM=m
CONFIG_USB_OTG_UTILS=y
CONFIG_USB_GPIO_VBUS=m
CONFIG_NOP_USB_XCEIV=m
-CONFIG_UWB=m
-CONFIG_UWB_HWA=m
-CONFIG_UWB_WHCI=m
-CONFIG_UWB_I1480U=m
+# CONFIG_UWB is not set
CONFIG_MMC=m
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_UNSAFE_RESUME is not set
@@ -4426,7 +3695,6 @@ CONFIG_MMC_SDHCI_PLTFM=m
CONFIG_MMC_WBSD=m
CONFIG_MMC_TIFM_SD=m
# CONFIG_MMC_SPI is not set
-CONFIG_MMC_SDRICOH_CS=m
CONFIG_MMC_CB710=m
CONFIG_MMC_VIA_SDMMC=m
CONFIG_MMC_VUB300=m
@@ -4467,17 +3735,15 @@ CONFIG_LEDS_BD2802=m
CONFIG_LEDS_INTEL_SS4200=m
CONFIG_LEDS_LT3593=m
CONFIG_LEDS_DELL_NETBOOKS=m
+# CONFIG_LEDS_MC13783 is not set
# CONFIG_LEDS_TCA6507 is not set
-CONFIG_LEDS_LM3556=m
# CONFIG_LEDS_OT200 is not set
-CONFIG_LEDS_BLINKM=m
CONFIG_LEDS_TRIGGERS=y
#
# LED Triggers
#
CONFIG_LEDS_TRIGGER_TIMER=m
-CONFIG_LEDS_TRIGGER_ONESHOT=m
CONFIG_LEDS_TRIGGER_HEARTBEAT=m
CONFIG_LEDS_TRIGGER_BACKLIGHT=m
CONFIG_LEDS_TRIGGER_GPIO=m
@@ -4486,7 +3752,6 @@ CONFIG_LEDS_TRIGGER_DEFAULT_ON=m
#
# iptables trigger is under Netfilter config (LED target)
#
-CONFIG_LEDS_TRIGGER_TRANSIENT=m
CONFIG_ACCESSIBILITY=y
# CONFIG_A11Y_BRAILLE_CONSOLE is not set
CONFIG_INFINIBAND=m
@@ -4506,7 +3771,6 @@ CONFIG_INFINIBAND_CXGB4=m
CONFIG_MLX4_INFINIBAND=m
CONFIG_INFINIBAND_NES=m
# CONFIG_INFINIBAND_NES_DEBUG is not set
-# CONFIG_INFINIBAND_OCRDMA is not set
CONFIG_INFINIBAND_IPOIB=m
# CONFIG_INFINIBAND_IPOIB_CM is not set
# CONFIG_INFINIBAND_IPOIB_DEBUG is not set
@@ -4587,6 +3851,7 @@ CONFIG_RTC_DRV_PCF50633=m
#
# on-CPU RTC drivers
#
+# CONFIG_RTC_DRV_MC13XXX is not set
CONFIG_DMADEVICES=y
# CONFIG_DMADEVICES_DEBUG is not set
@@ -4620,9 +3885,6 @@ CONFIG_UIO_AEC=m
CONFIG_UIO_SERCOS3=m
CONFIG_UIO_PCI_GENERIC=m
CONFIG_UIO_NETX=m
-CONFIG_VFIO_IOMMU_TYPE1=m
-CONFIG_VFIO=m
-CONFIG_VFIO_PCI=m
CONFIG_VIRTIO=m
CONFIG_VIRTIO_RING=m
@@ -4632,7 +3894,6 @@ CONFIG_VIRTIO_RING=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_MMIO=m
-# CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES is not set
#
# Microsoft Hyper-V guest support
@@ -4660,10 +3921,7 @@ CONFIG_XEN_ACPI_PROCESSOR=m
CONFIG_STAGING=y
# CONFIG_ET131X is not set
# CONFIG_SLICOSS is not set
-CONFIG_USBIP_CORE=m
-CONFIG_USBIP_VHCI_HCD=m
-CONFIG_USBIP_HOST=m
-# CONFIG_USBIP_DEBUG is not set
+# CONFIG_USBIP_CORE is not set
# CONFIG_W35UND is not set
# CONFIG_PRISM2_USB is not set
# CONFIG_ECHO is not set
@@ -4672,11 +3930,7 @@ CONFIG_USBIP_HOST=m
# CONFIG_PANEL is not set
# CONFIG_R8187SE is not set
# CONFIG_RTL8192U is not set
-CONFIG_RTLLIB=m
-CONFIG_RTLLIB_CRYPTO_CCMP=m
-CONFIG_RTLLIB_CRYPTO_TKIP=m
-CONFIG_RTLLIB_CRYPTO_WEP=m
-# CONFIG_RTL8192E is not set
+# CONFIG_RTLLIB is not set
# CONFIG_R8712U is not set
# CONFIG_RTS_PSTOR is not set
# CONFIG_RTS5139 is not set
@@ -4684,12 +3938,14 @@ CONFIG_RTLLIB_CRYPTO_WEP=m
# CONFIG_IDE_PHISON is not set
# CONFIG_LINE6_USB is not set
# CONFIG_USB_SERIAL_QUATECH2 is not set
+# CONFIG_USB_SERIAL_QUATECH_USB2 is not set
# CONFIG_VT6655 is not set
# CONFIG_VT6656 is not set
+# CONFIG_VME_BUS is not set
# CONFIG_DX_SEP is not set
+# CONFIG_IIO is not set
+# CONFIG_ZRAM is not set
# CONFIG_ZSMALLOC is not set
-# CONFIG_WLAGS49_H2 is not set
-# CONFIG_WLAGS49_H25 is not set
# CONFIG_FB_SM7XX is not set
# CONFIG_CRYSTALHD is not set
# CONFIG_CXT1E1 is not set
@@ -4706,6 +3962,7 @@ CONFIG_RTLLIB_CRYPTO_WEP=m
# CONFIG_SPEAKUP is not set
# CONFIG_TOUCHSCREEN_CLEARPAD_TM1217 is not set
# CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4 is not set
+# CONFIG_INTEL_MEI is not set
# CONFIG_STAGING_MEDIA is not set
#
@@ -4714,58 +3971,42 @@ CONFIG_RTLLIB_CRYPTO_WEP=m
# CONFIG_ANDROID is not set
# CONFIG_PHONE is not set
# CONFIG_USB_WPAN_HCD is not set
-# CONFIG_IPACK_BUS is not set
-CONFIG_WIMAX_GDM72XX=m
-# CONFIG_WIMAX_GDM72XX_QOS is not set
-# CONFIG_WIMAX_GDM72XX_K_MODE is not set
-# CONFIG_WIMAX_GDM72XX_WIMAX2 is not set
-CONFIG_WIMAX_GDM72XX_USB=y
-# CONFIG_WIMAX_GDM72XX_SDIO is not set
-# CONFIG_CSR_WIFI is not set
CONFIG_X86_PLATFORM_DEVICES=y
-CONFIG_ACER_WMI=m
-CONFIG_ACERHDF=m
-CONFIG_ASUS_LAPTOP=m
-CONFIG_DELL_LAPTOP=m
+# CONFIG_ACER_WMI is not set
+# CONFIG_ACERHDF is not set
+# CONFIG_ASUS_LAPTOP is not set
+# CONFIG_DELL_LAPTOP is not set
CONFIG_DELL_WMI=m
CONFIG_DELL_WMI_AIO=m
-CONFIG_FUJITSU_LAPTOP=m
-# CONFIG_FUJITSU_LAPTOP_DEBUG is not set
+# CONFIG_FUJITSU_LAPTOP is not set
# CONFIG_FUJITSU_TABLET is not set
-CONFIG_AMILO_RFKILL=m
-CONFIG_HP_ACCEL=m
+# CONFIG_AMILO_RFKILL is not set
+# CONFIG_HP_ACCEL is not set
CONFIG_HP_WMI=m
-CONFIG_MSI_LAPTOP=m
-CONFIG_PANASONIC_LAPTOP=m
-CONFIG_COMPAL_LAPTOP=m
-CONFIG_SONY_LAPTOP=m
-# CONFIG_SONYPI_COMPAT is not set
-CONFIG_IDEAPAD_LAPTOP=m
-CONFIG_THINKPAD_ACPI=m
-CONFIG_THINKPAD_ACPI_ALSA_SUPPORT=y
-# CONFIG_THINKPAD_ACPI_DEBUGFACILITIES is not set
-# CONFIG_THINKPAD_ACPI_DEBUG is not set
-# CONFIG_THINKPAD_ACPI_UNSAFE_LEDS is not set
-CONFIG_THINKPAD_ACPI_VIDEO=y
-CONFIG_THINKPAD_ACPI_HOTKEY_POLL=y
+# CONFIG_MSI_LAPTOP is not set
+# CONFIG_PANASONIC_LAPTOP is not set
+# CONFIG_COMPAL_LAPTOP is not set
+# CONFIG_SONY_LAPTOP is not set
+# CONFIG_IDEAPAD_LAPTOP is not set
+# CONFIG_THINKPAD_ACPI is not set
CONFIG_SENSORS_HDAPS=m
CONFIG_INTEL_MENLOW=m
-CONFIG_EEEPC_LAPTOP=m
+# CONFIG_EEEPC_LAPTOP is not set
CONFIG_ASUS_WMI=m
-CONFIG_ASUS_NB_WMI=m
-CONFIG_EEEPC_WMI=m
+# CONFIG_ASUS_NB_WMI is not set
+# CONFIG_EEEPC_WMI is not set
CONFIG_ACPI_WMI=m
CONFIG_MSI_WMI=m
# CONFIG_TOPSTAR_LAPTOP is not set
-CONFIG_ACPI_TOSHIBA=m
-CONFIG_TOSHIBA_BT_RFKILL=m
-CONFIG_ACPI_CMPC=m
+# CONFIG_ACPI_TOSHIBA is not set
+# CONFIG_TOSHIBA_BT_RFKILL is not set
+# CONFIG_ACPI_CMPC is not set
# CONFIG_INTEL_IPS is not set
# CONFIG_IBM_RTL is not set
-CONFIG_XO15_EBOOK=m
+# CONFIG_XO15_EBOOK is not set
# CONFIG_SAMSUNG_LAPTOP is not set
CONFIG_MXM_WMI=m
-CONFIG_INTEL_OAKTRAIL=m
+# CONFIG_INTEL_OAKTRAIL is not set
# CONFIG_SAMSUNG_Q10 is not set
# CONFIG_APPLE_GMUX is not set
@@ -4795,16 +4036,6 @@ CONFIG_IRQ_REMAP=y
#
CONFIG_VIRT_DRIVERS=y
# CONFIG_PM_DEVFREQ is not set
-CONFIG_EXTCON=m
-
-#
-# Extcon Device Drivers
-#
-CONFIG_EXTCON_GPIO=m
-CONFIG_MEMORY=y
-# CONFIG_IIO is not set
-# CONFIG_VME_BUS is not set
-CONFIG_PWM=y
#
# Firmware Drivers
@@ -4963,9 +4194,11 @@ CONFIG_JFFS2_CMODE_PRIORITY=y
# CONFIG_JFFS2_CMODE_SIZE is not set
# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
CONFIG_UBIFS_FS=m
+CONFIG_UBIFS_FS_XATTR=y
# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
CONFIG_UBIFS_FS_LZO=y
CONFIG_UBIFS_FS_ZLIB=y
+# CONFIG_UBIFS_FS_DEBUG is not set
CONFIG_LOGFS=m
CONFIG_CRAMFS=m
CONFIG_SQUASHFS=m
@@ -4988,8 +4221,6 @@ CONFIG_ROMFS_BACKED_BY_BLOCK=y
# CONFIG_ROMFS_BACKED_BY_BOTH is not set
CONFIG_ROMFS_ON_BLOCK=y
CONFIG_PSTORE=y
-# CONFIG_PSTORE_CONSOLE is not set
-CONFIG_PSTORE_RAM=m
CONFIG_SYSV_FS=m
CONFIG_UFS_FS=m
# CONFIG_UFS_FS_WRITE is not set
@@ -4999,11 +4230,9 @@ CONFIG_EXOFS_FS=m
CONFIG_ORE=m
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=m
-CONFIG_NFS_V2=m
-CONFIG_NFS_V3=m
+CONFIG_NFS_V3=y
# CONFIG_NFS_V3_ACL is not set
-CONFIG_NFS_V4=m
-# CONFIG_NFS_SWAP is not set
+CONFIG_NFS_V4=y
# CONFIG_NFS_V4_1 is not set
# CONFIG_NFS_FSCACHE is not set
# CONFIG_NFS_USE_LEGACY_DNS is not set
@@ -5078,17 +4307,6 @@ CONFIG_NLS_ISO8859_14=m
CONFIG_NLS_ISO8859_15=m
CONFIG_NLS_KOI8_R=m
CONFIG_NLS_KOI8_U=m
-CONFIG_NLS_MAC_ROMAN=m
-CONFIG_NLS_MAC_CELTIC=m
-CONFIG_NLS_MAC_CENTEURO=m
-CONFIG_NLS_MAC_CROATIAN=m
-CONFIG_NLS_MAC_CYRILLIC=m
-CONFIG_NLS_MAC_GAELIC=m
-CONFIG_NLS_MAC_GREEK=m
-CONFIG_NLS_MAC_ICELAND=m
-CONFIG_NLS_MAC_INUIT=m
-CONFIG_NLS_MAC_ROMANIAN=m
-CONFIG_NLS_MAC_TURKISH=m
CONFIG_NLS_UTF8=m
CONFIG_DLM=m
# CONFIG_DLM_DEBUG is not set
@@ -5104,7 +4322,6 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
CONFIG_FRAME_WARN=1024
CONFIG_MAGIC_SYSRQ=y
# CONFIG_STRIP_ASM_SYMS is not set
-# CONFIG_READABLE_ASM is not set
# CONFIG_UNUSED_SYMBOLS is not set
CONFIG_DEBUG_FS=y
# CONFIG_HEADERS_CHECK is not set
@@ -5117,8 +4334,6 @@ CONFIG_HARDLOCKUP_DETECTOR=y
CONFIG_BOOTPARAM_HARDLOCKUP_PANIC_VALUE=0
# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
-# CONFIG_PANIC_ON_OOPS is not set
-CONFIG_PANIC_ON_OOPS_VALUE=0
# CONFIG_DETECT_HUNG_TASK is not set
CONFIG_SCHED_DEBUG=y
CONFIG_SCHEDSTATS=y
@@ -5163,7 +4378,7 @@ CONFIG_RCU_CPU_STALL_TIMEOUT=60
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# CONFIG_DEBUG_PER_CPU_MAPS is not set
# CONFIG_LKDTM is not set
-# CONFIG_NOTIFIER_ERROR_INJECTION is not set
+# CONFIG_CPU_NOTIFIER_ERROR_INJECT is not set
# CONFIG_FAULT_INJECTION is not set
CONFIG_LATENCYTOP=y
# CONFIG_DEBUG_PAGEALLOC is not set
@@ -5200,7 +4415,6 @@ CONFIG_DEBUG_RODATA=y
# CONFIG_DEBUG_RODATA_TEST is not set
CONFIG_DEBUG_SET_MODULE_RONX=y
CONFIG_DEBUG_NX_TEST=m
-# CONFIG_DEBUG_TLBFLUSH is not set
# CONFIG_IOMMU_DEBUG is not set
# CONFIG_IOMMU_STRESS is not set
CONFIG_HAVE_MMIOTRACE_SUPPORT=y
@@ -5240,7 +4454,6 @@ CONFIG_VSERVER_CONTEXTS=768
CONFIG_VSERVER_WARN=y
CONFIG_VSERVER_WARN_DEVPTS=y
# CONFIG_VSERVER_DEBUG is not set
-# CONFIG_VSERVER_EXTRA_MNT_CHECK is not set
CONFIG_QUOTES_ISO8859=y
# CONFIG_QUOTES_UTF8 is not set
# CONFIG_QUOTES_ASCII is not set
@@ -5303,8 +4516,6 @@ CONFIG_CRYPTO_WORKQUEUE=y
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_AUTHENC=m
CONFIG_CRYPTO_TEST=m
-CONFIG_CRYPTO_ABLK_HELPER_X86=m
-CONFIG_CRYPTO_GLUE_HELPER_X86=m
#
# Authenticated Encryption with Associated Data
@@ -5375,13 +4586,11 @@ CONFIG_CRYPTO_SALSA20_X86_64=m
CONFIG_CRYPTO_SEED=m
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_SERPENT_SSE2_X86_64=m
-CONFIG_CRYPTO_SERPENT_AVX_X86_64=m
CONFIG_CRYPTO_TEA=m
CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRYPTO_TWOFISH_COMMON=m
CONFIG_CRYPTO_TWOFISH_X86_64=m
CONFIG_CRYPTO_TWOFISH_X86_64_3WAY=m
-CONFIG_CRYPTO_TWOFISH_AVX_X86_64=m
#
# Compression
@@ -5407,13 +4616,11 @@ CONFIG_HAVE_KVM_EVENTFD=y
CONFIG_KVM_APIC_ARCHITECTURE=y
CONFIG_KVM_MMIO=y
CONFIG_KVM_ASYNC_PF=y
-CONFIG_HAVE_KVM_MSI=y
CONFIG_VIRTUALIZATION=y
CONFIG_KVM=m
CONFIG_KVM_INTEL=m
CONFIG_KVM_AMD=m
CONFIG_VHOST_NET=m
-CONFIG_TCM_VHOST=m
# CONFIG_BINARY_PRINTF is not set
#
@@ -5421,8 +4628,6 @@ CONFIG_TCM_VHOST=m
#
CONFIG_RAID6_PQ=m
CONFIG_BITREVERSE=y
-CONFIG_GENERIC_STRNCPY_FROM_USER=y
-CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_FIND_FIRST_BIT=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_IOMAP=y
@@ -5460,8 +4665,6 @@ CONFIG_DECOMPRESS_XZ=y
CONFIG_DECOMPRESS_LZO=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_REED_SOLOMON=m
-CONFIG_REED_SOLOMON_ENC8=y
-CONFIG_REED_SOLOMON_DEC8=y
CONFIG_REED_SOLOMON_DEC16=y
CONFIG_TEXTSEARCH=y
CONFIG_TEXTSEARCH_KMP=m
@@ -5475,8 +4678,6 @@ CONFIG_CHECK_SIGNATURE=y
CONFIG_CPU_RMAP=y
CONFIG_DQL=y
CONFIG_NLATTR=y
-CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
CONFIG_LRU_CACHE=m
CONFIG_AVERAGE=y
CONFIG_CORDIC=m
-CONFIG_DDR=y
diff --git a/main/linux-vserver/patch-3.4.45-vs2.3.3.9.diff b/main/linux-vserver/patch-3.4.45-vs2.3.3.9.diff
new file mode 100644
index 0000000000..4d74b9b229
--- /dev/null
+++ b/main/linux-vserver/patch-3.4.45-vs2.3.3.9.diff
@@ -0,0 +1,26166 @@
+diff -NurpP --minimal linux-3.4.45/Documentation/vserver/debug.txt linux-3.4.45-vs2.3.3.9/Documentation/vserver/debug.txt
+--- linux-3.4.45/Documentation/vserver/debug.txt 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/Documentation/vserver/debug.txt 2012-05-21 16:15:04.000000000 +0000
+@@ -0,0 +1,154 @@
++
++debug_cvirt:
++
++ 2 4 "vx_map_tgid: %p/%llx: %d -> %d"
++ "vx_rmap_tgid: %p/%llx: %d -> %d"
++
++debug_dlim:
++
++ 0 1 "ALLOC (%p,#%d)%c inode (%d)"
++ "FREE (%p,#%d)%c inode"
++ 1 2 "ALLOC (%p,#%d)%c %lld bytes (%d)"
++ "FREE (%p,#%d)%c %lld bytes"
++ 2 4 "ADJUST: %lld,%lld on %ld,%ld [mult=%d]"
++ 3 8 "ext3_has_free_blocks(%p): %lu<%lu+1, %c, %u!=%u r=%d"
++ "ext3_has_free_blocks(%p): free=%lu, root=%lu"
++ "rcu_free_dl_info(%p)"
++ 4 10 "alloc_dl_info(%p,%d) = %p"
++ "dealloc_dl_info(%p)"
++ "get_dl_info(%p[#%d.%d])"
++ "put_dl_info(%p[#%d.%d])"
++ 5 20 "alloc_dl_info(%p,%d)*"
++ 6 40 "__hash_dl_info: %p[#%d]"
++ "__unhash_dl_info: %p[#%d]"
++ 7 80 "locate_dl_info(%p,#%d) = %p"
++
++debug_misc:
++
++ 0 1 "destroy_dqhash: %p [#0x%08x] c=%d"
++ "new_dqhash: %p [#0x%08x]"
++ "vroot[%d]_clr_dev: dev=%p[%lu,%d:%d]"
++ "vroot[%d]_get_real_bdev: dev=%p[%lu,%d:%d]"
++ "vroot[%d]_set_dev: dev=%p[%lu,%d:%d]"
++ "vroot_get_real_bdev not set"
++ 1 2 "cow_break_link(»%s«)"
++ "temp copy »%s«"
++ 2 4 "dentry_open(new): %p"
++ "dentry_open(old): %p"
++ "lookup_create(new): %p"
++ "old path »%s«"
++ "path_lookup(old): %d"
++ "vfs_create(new): %d"
++ "vfs_rename: %d"
++ "vfs_sendfile: %d"
++ 3 8 "fput(new_file=%p[#%d])"
++ "fput(old_file=%p[#%d])"
++ 4 10 "vx_info_kill(%p[#%d],%d,%d) = %d"
++ "vx_info_kill(%p[#%d],%d,%d)*"
++ 5 20 "vs_reboot(%p[#%d],%d)"
++ 6 40 "dropping task %p[#%u,%u] for %p[#%u,%u]"
++
++debug_net:
++
++ 2 4 "nx_addr_conflict(%p,%p) %d.%d,%d.%d"
++ 3 8 "inet_bind(%p) %d.%d.%d.%d, %d.%d.%d.%d, %d.%d.%d.%d"
++ "inet_bind(%p)* %p,%p;%lx %d.%d.%d.%d"
++ 4 10 "ip_route_connect(%p) %p,%p;%lx"
++ 5 20 "__addr_in_socket(%p,%d.%d.%d.%d) %p:%d.%d.%d.%d %p;%lx"
++ 6 40 "sk,egf: %p [#%d] (from %d)"
++ "sk,egn: %p [#%d] (from %d)"
++ "sk,req: %p [#%d] (from %d)"
++ "sk: %p [#%d] (from %d)"
++ "tw: %p [#%d] (from %d)"
++ 7 80 "__sock_recvmsg: %p[%p,%p,%p;%d]:%d/%d"
++ "__sock_sendmsg: %p[%p,%p,%p;%d]:%d/%d"
++
++debug_nid:
++
++ 0 1 "__lookup_nx_info(#%u): %p[#%u]"
++ "alloc_nx_info(%d) = %p"
++ "create_nx_info(%d) (dynamic rejected)"
++ "create_nx_info(%d) = %p (already there)"
++ "create_nx_info(%d) = %p (new)"
++ "dealloc_nx_info(%p)"
++ 1 2 "alloc_nx_info(%d)*"
++ "create_nx_info(%d)*"
++ 2 4 "get_nx_info(%p[#%d.%d])"
++ "put_nx_info(%p[#%d.%d])"
++ 3 8 "claim_nx_info(%p[#%d.%d.%d]) %p"
++ "clr_nx_info(%p[#%d.%d])"
++ "init_nx_info(%p[#%d.%d])"
++ "release_nx_info(%p[#%d.%d.%d]) %p"
++ "set_nx_info(%p[#%d.%d])"
++ 4 10 "__hash_nx_info: %p[#%d]"
++ "__nx_dynamic_id: [#%d]"
++ "__unhash_nx_info: %p[#%d.%d.%d]"
++ 5 20 "moved task %p into nxi:%p[#%d]"
++ "nx_migrate_task(%p,%p[#%d.%d.%d])"
++ "task_get_nx_info(%p)"
++ 6 40 "nx_clear_persistent(%p[#%d])"
++
++debug_quota:
++
++ 0 1 "quota_sync_dqh(%p,%d) discard inode %p"
++ 1 2 "quota_sync_dqh(%p,%d)"
++ "sync_dquots(%p,%d)"
++ "sync_dquots_dqh(%p,%d)"
++ 3 8 "do_quotactl(%p,%d,cmd=%d,id=%d,%p)"
++
++debug_switch:
++
++ 0 1 "vc: VCMD_%02d_%d[%d], %d,%p [%d,%d,%x,%x]"
++ 1 2 "vc: VCMD_%02d_%d[%d] = %08lx(%ld) [%d,%d]"
++ 4 10 "%s: (%s %s) returned %s with %d"
++
++debug_tag:
++
++ 7 80 "dx_parse_tag(»%s«): %d:#%d"
++ "dx_propagate_tag(%p[#%lu.%d]): %d,%d"
++
++debug_xid:
++
++ 0 1 "__lookup_vx_info(#%u): %p[#%u]"
++ "alloc_vx_info(%d) = %p"
++ "alloc_vx_info(%d)*"
++ "create_vx_info(%d) (dynamic rejected)"
++ "create_vx_info(%d) = %p (already there)"
++ "create_vx_info(%d) = %p (new)"
++ "dealloc_vx_info(%p)"
++ "loc_vx_info(%d) = %p (found)"
++ "loc_vx_info(%d) = %p (new)"
++ "loc_vx_info(%d) = %p (not available)"
++ 1 2 "create_vx_info(%d)*"
++ "loc_vx_info(%d)*"
++ 2 4 "get_vx_info(%p[#%d.%d])"
++ "put_vx_info(%p[#%d.%d])"
++ 3 8 "claim_vx_info(%p[#%d.%d.%d]) %p"
++ "clr_vx_info(%p[#%d.%d])"
++ "init_vx_info(%p[#%d.%d])"
++ "release_vx_info(%p[#%d.%d.%d]) %p"
++ "set_vx_info(%p[#%d.%d])"
++ 4 10 "__hash_vx_info: %p[#%d]"
++ "__unhash_vx_info: %p[#%d.%d.%d]"
++ "__vx_dynamic_id: [#%d]"
++ 5 20 "enter_vx_info(%p[#%d],%p) %p[#%d,%p]"
++ "leave_vx_info(%p[#%d,%p]) %p[#%d,%p]"
++ "moved task %p into vxi:%p[#%d]"
++ "task_get_vx_info(%p)"
++ "vx_migrate_task(%p,%p[#%d.%d])"
++ 6 40 "vx_clear_persistent(%p[#%d])"
++ "vx_exit_init(%p[#%d],%p[#%d,%d,%d])"
++ "vx_set_init(%p[#%d],%p[#%d,%d,%d])"
++ "vx_set_persistent(%p[#%d])"
++ "vx_set_reaper(%p[#%d],%p[#%d,%d])"
++ 7 80 "vx_child_reaper(%p[#%u,%u]) = %p[#%u,%u]"
++
++
++debug_limit:
++
++ n 2^n "vx_acc_cres[%5d,%s,%2d]: %5d%s"
++ "vx_cres_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
++
++ m 2^m "vx_acc_page[%5d,%s,%2d]: %5d%s"
++ "vx_acc_pages[%5d,%s,%2d]: %5d += %5d"
++ "vx_pages_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
+diff -NurpP --minimal linux-3.4.45/Makefile linux-3.4.45-vs2.3.3.9/Makefile
+--- linux-3.4.45/Makefile 2013-05-13 17:36:16.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/Makefile 2013-05-13 18:41:34.000000000 +0000
+@@ -1,7 +1,7 @@
+ VERSION = 3
+ PATCHLEVEL = 4
+ SUBLEVEL = 45
+-EXTRAVERSION =
++EXTRAVERSION = -vs2.3.3.9
+ NAME = Saber-toothed Squirrel
+
+ # *DOCUMENTATION*
+diff -NurpP --minimal linux-3.4.45/arch/alpha/Kconfig linux-3.4.45-vs2.3.3.9/arch/alpha/Kconfig
+--- linux-3.4.45/arch/alpha/Kconfig 2012-05-21 16:06:12.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/alpha/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -662,6 +662,8 @@ config DUMMY_CONSOLE
+ depends on VGA_HOSE
+ default y
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/alpha/kernel/entry.S linux-3.4.45-vs2.3.3.9/arch/alpha/kernel/entry.S
+--- linux-3.4.45/arch/alpha/kernel/entry.S 2010-10-21 11:06:45.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/alpha/kernel/entry.S 2012-05-21 16:15:04.000000000 +0000
+@@ -860,24 +860,15 @@ sys_getxgid:
+ .globl sys_getxpid
+ .ent sys_getxpid
+ sys_getxpid:
++ lda $sp, -16($sp)
++ stq $26, 0($sp)
+ .prologue 0
+- ldq $2, TI_TASK($8)
+
+- /* See linux/kernel/timer.c sys_getppid for discussion
+- about this loop. */
+- ldq $3, TASK_GROUP_LEADER($2)
+- ldq $4, TASK_REAL_PARENT($3)
+- ldl $0, TASK_TGID($2)
+-1: ldl $1, TASK_TGID($4)
+-#ifdef CONFIG_SMP
+- mov $4, $5
+- mb
+- ldq $3, TASK_GROUP_LEADER($2)
+- ldq $4, TASK_REAL_PARENT($3)
+- cmpeq $4, $5, $5
+- beq $5, 1b
+-#endif
+- stq $1, 80($sp)
++ lda $16, 96($sp)
++ jsr $26, do_getxpid
++ ldq $26, 0($sp)
++
++ lda $sp, 16($sp)
+ ret
+ .end sys_getxpid
+
+diff -NurpP --minimal linux-3.4.45/arch/alpha/kernel/ptrace.c linux-3.4.45-vs2.3.3.9/arch/alpha/kernel/ptrace.c
+--- linux-3.4.45/arch/alpha/kernel/ptrace.c 2012-05-21 16:06:12.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/alpha/kernel/ptrace.c 2012-05-21 16:15:04.000000000 +0000
+@@ -13,6 +13,7 @@
+ #include <linux/user.h>
+ #include <linux/security.h>
+ #include <linux/signal.h>
++#include <linux/vs_base.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/pgtable.h>
+diff -NurpP --minimal linux-3.4.45/arch/alpha/kernel/systbls.S linux-3.4.45-vs2.3.3.9/arch/alpha/kernel/systbls.S
+--- linux-3.4.45/arch/alpha/kernel/systbls.S 2012-01-09 15:13:54.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/alpha/kernel/systbls.S 2012-05-21 16:15:04.000000000 +0000
+@@ -446,7 +446,7 @@ sys_call_table:
+ .quad sys_stat64 /* 425 */
+ .quad sys_lstat64
+ .quad sys_fstat64
+- .quad sys_ni_syscall /* sys_vserver */
++ .quad sys_vserver /* sys_vserver */
+ .quad sys_ni_syscall /* sys_mbind */
+ .quad sys_ni_syscall /* sys_get_mempolicy */
+ .quad sys_ni_syscall /* sys_set_mempolicy */
+diff -NurpP --minimal linux-3.4.45/arch/alpha/kernel/traps.c linux-3.4.45-vs2.3.3.9/arch/alpha/kernel/traps.c
+--- linux-3.4.45/arch/alpha/kernel/traps.c 2012-05-21 16:06:12.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/alpha/kernel/traps.c 2012-05-21 16:15:04.000000000 +0000
+@@ -184,7 +184,8 @@ die_if_kernel(char * str, struct pt_regs
+ #ifdef CONFIG_SMP
+ printk("CPU %d ", hard_smp_processor_id());
+ #endif
+- printk("%s(%d): %s %ld\n", current->comm, task_pid_nr(current), str, err);
++ printk("%s(%d[#%u]): %s %ld\n", current->comm,
++ task_pid_nr(current), current->xid, str, err);
+ dik_show_regs(regs, r9_15);
+ add_taint(TAINT_DIE);
+ dik_show_trace((unsigned long *)(regs+1));
+diff -NurpP --minimal linux-3.4.45/arch/arm/Kconfig linux-3.4.45-vs2.3.3.9/arch/arm/Kconfig
+--- linux-3.4.45/arch/arm/Kconfig 2013-05-13 17:36:16.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/arm/Kconfig 2012-12-11 11:42:38.000000000 +0000
+@@ -2311,6 +2311,8 @@ source "fs/Kconfig"
+
+ source "arch/arm/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/arm/kernel/calls.S linux-3.4.45-vs2.3.3.9/arch/arm/kernel/calls.S
+--- linux-3.4.45/arch/arm/kernel/calls.S 2012-01-09 15:13:54.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/arm/kernel/calls.S 2012-05-21 16:15:04.000000000 +0000
+@@ -322,7 +322,7 @@
+ /* 310 */ CALL(sys_request_key)
+ CALL(sys_keyctl)
+ CALL(ABI(sys_semtimedop, sys_oabi_semtimedop))
+-/* vserver */ CALL(sys_ni_syscall)
++ CALL(sys_vserver)
+ CALL(sys_ioprio_set)
+ /* 315 */ CALL(sys_ioprio_get)
+ CALL(sys_inotify_init)
+diff -NurpP --minimal linux-3.4.45/arch/arm/kernel/process.c linux-3.4.45-vs2.3.3.9/arch/arm/kernel/process.c
+--- linux-3.4.45/arch/arm/kernel/process.c 2013-05-13 17:36:16.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/arm/kernel/process.c 2012-09-01 08:50:48.000000000 +0000
+@@ -357,7 +357,8 @@ void __show_regs(struct pt_regs *regs)
+ void show_regs(struct pt_regs * regs)
+ {
+ printk("\n");
+- printk("Pid: %d, comm: %20s\n", task_pid_nr(current), current->comm);
++ printk("Pid: %d[#%u], comm: %20s\n",
++ task_pid_nr(current), current->xid, current->comm);
+ __show_regs(regs);
+ dump_stack();
+ }
+diff -NurpP --minimal linux-3.4.45/arch/arm/kernel/traps.c linux-3.4.45-vs2.3.3.9/arch/arm/kernel/traps.c
+--- linux-3.4.45/arch/arm/kernel/traps.c 2013-05-13 17:36:16.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/arm/kernel/traps.c 2012-10-22 13:09:53.000000000 +0000
+@@ -249,8 +249,8 @@ static int __die(const char *str, int er
+
+ print_modules();
+ __show_regs(regs);
+- printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n",
+- TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), thread + 1);
++ printk(KERN_EMERG "Process %.*s (pid: %d:#%u, stack limit = 0x%p)\n",
++ TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), tsk->xid, thread + 1);
+
+ if (!user_mode(regs) || in_interrupt()) {
+ dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp,
+diff -NurpP --minimal linux-3.4.45/arch/cris/Kconfig linux-3.4.45-vs2.3.3.9/arch/cris/Kconfig
+--- linux-3.4.45/arch/cris/Kconfig 2012-03-19 18:46:39.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/cris/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -675,6 +675,8 @@ source "drivers/staging/Kconfig"
+
+ source "arch/cris/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/frv/kernel/kernel_thread.S linux-3.4.45-vs2.3.3.9/arch/frv/kernel/kernel_thread.S
+--- linux-3.4.45/arch/frv/kernel/kernel_thread.S 2008-12-24 23:26:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/frv/kernel/kernel_thread.S 2012-05-21 16:15:04.000000000 +0000
+@@ -37,7 +37,7 @@ kernel_thread:
+
+ # start by forking the current process, but with shared VM
+ setlos.p #__NR_clone,gr7 ; syscall number
+- ori gr10,#CLONE_VM,gr8 ; first syscall arg [clone_flags]
++ ori gr10,#CLONE_KT,gr8 ; first syscall arg [clone_flags]
+ sethi.p #0xe4e4,gr9 ; second syscall arg [newsp]
+ setlo #0xe4e4,gr9
+ setlos.p #0,gr10 ; third syscall arg [parent_tidptr]
+diff -NurpP --minimal linux-3.4.45/arch/h8300/Kconfig linux-3.4.45-vs2.3.3.9/arch/h8300/Kconfig
+--- linux-3.4.45/arch/h8300/Kconfig 2012-03-19 18:46:39.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/h8300/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -214,6 +214,8 @@ source "fs/Kconfig"
+
+ source "arch/h8300/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/ia64/Kconfig linux-3.4.45-vs2.3.3.9/arch/ia64/Kconfig
+--- linux-3.4.45/arch/ia64/Kconfig 2012-03-19 18:46:39.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/ia64/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -654,6 +654,8 @@ source "fs/Kconfig"
+
+ source "arch/ia64/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/ia64/kernel/entry.S linux-3.4.45-vs2.3.3.9/arch/ia64/kernel/entry.S
+--- linux-3.4.45/arch/ia64/kernel/entry.S 2012-03-19 18:46:40.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/ia64/kernel/entry.S 2012-05-21 16:15:04.000000000 +0000
+@@ -1714,7 +1714,7 @@ sys_call_table:
+ data8 sys_mq_notify
+ data8 sys_mq_getsetattr
+ data8 sys_kexec_load
+- data8 sys_ni_syscall // reserved for vserver
++ data8 sys_vserver
+ data8 sys_waitid // 1270
+ data8 sys_add_key
+ data8 sys_request_key
+diff -NurpP --minimal linux-3.4.45/arch/ia64/kernel/process.c linux-3.4.45-vs2.3.3.9/arch/ia64/kernel/process.c
+--- linux-3.4.45/arch/ia64/kernel/process.c 2013-05-13 17:36:17.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/ia64/kernel/process.c 2012-10-22 13:09:53.000000000 +0000
+@@ -111,8 +111,8 @@ show_regs (struct pt_regs *regs)
+ unsigned long ip = regs->cr_iip + ia64_psr(regs)->ri;
+
+ print_modules();
+- printk("\nPid: %d, CPU %d, comm: %20s\n", task_pid_nr(current),
+- smp_processor_id(), current->comm);
++ printk("\nPid: %d[#%u], CPU %d, comm: %20s\n", task_pid_nr(current),
++ current->xid, smp_processor_id(), current->comm);
+ printk("psr : %016lx ifs : %016lx ip : [<%016lx>] %s (%s)\n",
+ regs->cr_ipsr, regs->cr_ifs, ip, print_tainted(),
+ init_utsname()->release);
+diff -NurpP --minimal linux-3.4.45/arch/ia64/kernel/ptrace.c linux-3.4.45-vs2.3.3.9/arch/ia64/kernel/ptrace.c
+--- linux-3.4.45/arch/ia64/kernel/ptrace.c 2012-05-21 16:06:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/ia64/kernel/ptrace.c 2012-05-21 16:15:04.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/regset.h>
+ #include <linux/elf.h>
+ #include <linux/tracehook.h>
++#include <linux/vs_base.h>
+
+ #include <asm/pgtable.h>
+ #include <asm/processor.h>
+diff -NurpP --minimal linux-3.4.45/arch/ia64/kernel/traps.c linux-3.4.45-vs2.3.3.9/arch/ia64/kernel/traps.c
+--- linux-3.4.45/arch/ia64/kernel/traps.c 2012-05-21 16:06:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/ia64/kernel/traps.c 2012-05-21 16:15:04.000000000 +0000
+@@ -60,8 +60,9 @@ die (const char *str, struct pt_regs *re
+ put_cpu();
+
+ if (++die.lock_owner_depth < 3) {
+- printk("%s[%d]: %s %ld [%d]\n",
+- current->comm, task_pid_nr(current), str, err, ++die_counter);
++ printk("%s[%d[#%u]]: %s %ld [%d]\n",
++ current->comm, task_pid_nr(current), current->xid,
++ str, err, ++die_counter);
+ if (notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV)
+ != NOTIFY_STOP)
+ show_regs(regs);
+@@ -324,8 +325,9 @@ handle_fpu_swa (int fp_fault, struct pt_
+ if ((last.count & 15) < 5 && (ia64_fetchadd(1, &last.count, acq) & 15) < 5) {
+ last.time = current_jiffies + 5 * HZ;
+ printk(KERN_WARNING
+- "%s(%d): floating-point assist fault at ip %016lx, isr %016lx\n",
+- current->comm, task_pid_nr(current), regs->cr_iip + ia64_psr(regs)->ri, isr);
++ "%s(%d[#%u]): floating-point assist fault at ip %016lx, isr %016lx\n",
++ current->comm, task_pid_nr(current), current->xid,
++ regs->cr_iip + ia64_psr(regs)->ri, isr);
+ }
+ }
+ }
+diff -NurpP --minimal linux-3.4.45/arch/m32r/kernel/traps.c linux-3.4.45-vs2.3.3.9/arch/m32r/kernel/traps.c
+--- linux-3.4.45/arch/m32r/kernel/traps.c 2012-05-21 16:06:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/m32r/kernel/traps.c 2012-05-21 16:15:04.000000000 +0000
+@@ -195,8 +195,9 @@ static void show_registers(struct pt_reg
+ } else {
+ printk("SPI: %08lx\n", sp);
+ }
+- printk("Process %s (pid: %d, process nr: %d, stackpage=%08lx)",
+- current->comm, task_pid_nr(current), 0xffff & i, 4096+(unsigned long)current);
++ printk("Process %s (pid: %d[#%u], process nr: %d, stackpage=%08lx)",
++ current->comm, task_pid_nr(current), current->xid,
++ 0xffff & i, 4096+(unsigned long)current);
+
+ /*
+ * When in-kernel, we also print out the stack and code at the
+diff -NurpP --minimal linux-3.4.45/arch/m68k/Kconfig linux-3.4.45-vs2.3.3.9/arch/m68k/Kconfig
+--- linux-3.4.45/arch/m68k/Kconfig 2012-05-21 16:06:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/m68k/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -146,6 +146,8 @@ source "fs/Kconfig"
+
+ source "arch/m68k/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/mips/Kconfig linux-3.4.45-vs2.3.3.9/arch/mips/Kconfig
+--- linux-3.4.45/arch/mips/Kconfig 2012-05-21 16:06:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/mips/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -2516,6 +2516,8 @@ source "fs/Kconfig"
+
+ source "arch/mips/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/mips/kernel/ptrace.c linux-3.4.45-vs2.3.3.9/arch/mips/kernel/ptrace.c
+--- linux-3.4.45/arch/mips/kernel/ptrace.c 2012-05-21 16:06:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/mips/kernel/ptrace.c 2012-05-21 16:15:04.000000000 +0000
+@@ -25,6 +25,7 @@
+ #include <linux/security.h>
+ #include <linux/audit.h>
+ #include <linux/seccomp.h>
++#include <linux/vs_base.h>
+
+ #include <asm/byteorder.h>
+ #include <asm/cpu.h>
+@@ -262,6 +263,9 @@ long arch_ptrace(struct task_struct *chi
+ void __user *datavp = (void __user *) data;
+ unsigned long __user *datalp = (void __user *) data;
+
++ if (!vx_check(vx_task_xid(child), VS_WATCH_P | VS_IDENT))
++ goto out;
++
+ switch (request) {
+ /* when I and D space are separate, these will need to be fixed. */
+ case PTRACE_PEEKTEXT: /* read word at location addr. */
+diff -NurpP --minimal linux-3.4.45/arch/mips/kernel/scall32-o32.S linux-3.4.45-vs2.3.3.9/arch/mips/kernel/scall32-o32.S
+--- linux-3.4.45/arch/mips/kernel/scall32-o32.S 2012-01-09 15:14:05.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/mips/kernel/scall32-o32.S 2012-05-21 16:15:04.000000000 +0000
+@@ -523,7 +523,7 @@ einval: li v0, -ENOSYS
+ sys sys_mq_timedreceive 5
+ sys sys_mq_notify 2 /* 4275 */
+ sys sys_mq_getsetattr 3
+- sys sys_ni_syscall 0 /* sys_vserver */
++ sys sys_vserver 3
+ sys sys_waitid 5
+ sys sys_ni_syscall 0 /* available, was setaltroot */
+ sys sys_add_key 5 /* 4280 */
+diff -NurpP --minimal linux-3.4.45/arch/mips/kernel/scall64-64.S linux-3.4.45-vs2.3.3.9/arch/mips/kernel/scall64-64.S
+--- linux-3.4.45/arch/mips/kernel/scall64-64.S 2012-01-09 15:14:05.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/mips/kernel/scall64-64.S 2012-05-21 16:15:04.000000000 +0000
+@@ -362,7 +362,7 @@ sys_call_table:
+ PTR sys_mq_timedreceive
+ PTR sys_mq_notify
+ PTR sys_mq_getsetattr /* 5235 */
+- PTR sys_ni_syscall /* sys_vserver */
++ PTR sys_vserver
+ PTR sys_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key
+diff -NurpP --minimal linux-3.4.45/arch/mips/kernel/scall64-n32.S linux-3.4.45-vs2.3.3.9/arch/mips/kernel/scall64-n32.S
+--- linux-3.4.45/arch/mips/kernel/scall64-n32.S 2012-01-09 15:14:05.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/mips/kernel/scall64-n32.S 2012-05-21 16:15:04.000000000 +0000
+@@ -361,7 +361,7 @@ EXPORT(sysn32_call_table)
+ PTR compat_sys_mq_timedreceive
+ PTR compat_sys_mq_notify
+ PTR compat_sys_mq_getsetattr
+- PTR sys_ni_syscall /* 6240, sys_vserver */
++ PTR sys32_vserver /* 6240 */
+ PTR compat_sys_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key
+diff -NurpP --minimal linux-3.4.45/arch/mips/kernel/scall64-o32.S linux-3.4.45-vs2.3.3.9/arch/mips/kernel/scall64-o32.S
+--- linux-3.4.45/arch/mips/kernel/scall64-o32.S 2012-01-09 15:14:05.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/mips/kernel/scall64-o32.S 2012-05-21 16:15:04.000000000 +0000
+@@ -480,7 +480,7 @@ sys_call_table:
+ PTR compat_sys_mq_timedreceive
+ PTR compat_sys_mq_notify /* 4275 */
+ PTR compat_sys_mq_getsetattr
+- PTR sys_ni_syscall /* sys_vserver */
++ PTR sys32_vserver
+ PTR sys_32_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key /* 4280 */
+diff -NurpP --minimal linux-3.4.45/arch/mips/kernel/traps.c linux-3.4.45-vs2.3.3.9/arch/mips/kernel/traps.c
+--- linux-3.4.45/arch/mips/kernel/traps.c 2012-05-21 16:06:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/mips/kernel/traps.c 2012-05-21 16:15:04.000000000 +0000
+@@ -343,9 +343,10 @@ void show_registers(struct pt_regs *regs
+
+ __show_regs(regs);
+ print_modules();
+- printk("Process %s (pid: %d, threadinfo=%p, task=%p, tls=%0*lx)\n",
+- current->comm, current->pid, current_thread_info(), current,
+- field, current_thread_info()->tp_value);
++ printk("Process %s (pid: %d:#%u, threadinfo=%p, task=%p, tls=%0*lx)\n",
++ current->comm, task_pid_nr(current), current->xid,
++ current_thread_info(), current,
++ field, current_thread_info()->tp_value);
+ if (cpu_has_userlocal) {
+ unsigned long tls;
+
+diff -NurpP --minimal linux-3.4.45/arch/parisc/Kconfig linux-3.4.45-vs2.3.3.9/arch/parisc/Kconfig
+--- linux-3.4.45/arch/parisc/Kconfig 2012-03-19 18:46:44.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/parisc/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -279,6 +279,8 @@ source "fs/Kconfig"
+
+ source "arch/parisc/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/parisc/kernel/syscall_table.S linux-3.4.45-vs2.3.3.9/arch/parisc/kernel/syscall_table.S
+--- linux-3.4.45/arch/parisc/kernel/syscall_table.S 2011-10-24 16:45:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/parisc/kernel/syscall_table.S 2012-05-21 16:15:04.000000000 +0000
+@@ -361,7 +361,7 @@
+ ENTRY_COMP(mbind) /* 260 */
+ ENTRY_COMP(get_mempolicy)
+ ENTRY_COMP(set_mempolicy)
+- ENTRY_SAME(ni_syscall) /* 263: reserved for vserver */
++ ENTRY_DIFF(vserver)
+ ENTRY_SAME(add_key)
+ ENTRY_SAME(request_key) /* 265 */
+ ENTRY_SAME(keyctl)
+diff -NurpP --minimal linux-3.4.45/arch/parisc/kernel/traps.c linux-3.4.45-vs2.3.3.9/arch/parisc/kernel/traps.c
+--- linux-3.4.45/arch/parisc/kernel/traps.c 2012-05-21 16:06:28.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/parisc/kernel/traps.c 2012-05-21 16:15:04.000000000 +0000
+@@ -235,8 +235,9 @@ void die_if_kernel(char *str, struct pt_
+ if (err == 0)
+ return; /* STFU */
+
+- printk(KERN_CRIT "%s (pid %d): %s (code %ld) at " RFMT "\n",
+- current->comm, task_pid_nr(current), str, err, regs->iaoq[0]);
++ printk(KERN_CRIT "%s (pid %d:#%u): %s (code %ld) at " RFMT "\n",
++ current->comm, task_pid_nr(current), current->xid,
++ str, err, regs->iaoq[0]);
+ #ifdef PRINT_USER_FAULTS
+ /* XXX for debugging only */
+ show_regs(regs);
+@@ -269,8 +270,8 @@ void die_if_kernel(char *str, struct pt_
+ pdc_console_restart();
+
+ if (err)
+- printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n",
+- current->comm, task_pid_nr(current), str, err);
++ printk(KERN_CRIT "%s (pid %d:#%u): %s (code %ld)\n",
++ current->comm, task_pid_nr(current), current->xid, str, err);
+
+ /* Wot's wrong wif bein' racy? */
+ if (current->thread.flags & PARISC_KERNEL_DEATH) {
+diff -NurpP --minimal linux-3.4.45/arch/parisc/mm/fault.c linux-3.4.45-vs2.3.3.9/arch/parisc/mm/fault.c
+--- linux-3.4.45/arch/parisc/mm/fault.c 2010-08-02 14:52:06.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/parisc/mm/fault.c 2012-05-21 16:15:04.000000000 +0000
+@@ -237,8 +237,9 @@ bad_area:
+
+ #ifdef PRINT_USER_FAULTS
+ printk(KERN_DEBUG "\n");
+- printk(KERN_DEBUG "do_page_fault() pid=%d command='%s' type=%lu address=0x%08lx\n",
+- task_pid_nr(tsk), tsk->comm, code, address);
++ printk(KERN_DEBUG "do_page_fault() pid=%d:#%u "
++ "command='%s' type=%lu address=0x%08lx\n",
++ task_pid_nr(tsk), tsk->xid, tsk->comm, code, address);
+ if (vma) {
+ printk(KERN_DEBUG "vm_start = 0x%08lx, vm_end = 0x%08lx\n",
+ vma->vm_start, vma->vm_end);
+diff -NurpP --minimal linux-3.4.45/arch/powerpc/Kconfig linux-3.4.45-vs2.3.3.9/arch/powerpc/Kconfig
+--- linux-3.4.45/arch/powerpc/Kconfig 2012-05-21 16:06:28.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/powerpc/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -1002,6 +1002,8 @@ source "lib/Kconfig"
+
+ source "arch/powerpc/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ config KEYS_COMPAT
+diff -NurpP --minimal linux-3.4.45/arch/powerpc/include/asm/unistd.h linux-3.4.45-vs2.3.3.9/arch/powerpc/include/asm/unistd.h
+--- linux-3.4.45/arch/powerpc/include/asm/unistd.h 2012-01-09 15:14:05.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/powerpc/include/asm/unistd.h 2012-05-21 16:15:04.000000000 +0000
+@@ -275,7 +275,7 @@
+ #endif
+ #define __NR_rtas 255
+ #define __NR_sys_debug_setcontext 256
+-/* Number 257 is reserved for vserver */
++#define __NR_vserver 257
+ #define __NR_migrate_pages 258
+ #define __NR_mbind 259
+ #define __NR_get_mempolicy 260
+diff -NurpP --minimal linux-3.4.45/arch/powerpc/kernel/process.c linux-3.4.45-vs2.3.3.9/arch/powerpc/kernel/process.c
+--- linux-3.4.45/arch/powerpc/kernel/process.c 2013-05-13 17:36:18.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/powerpc/kernel/process.c 2012-09-16 18:49:11.000000000 +0000
+@@ -661,8 +661,9 @@ void show_regs(struct pt_regs * regs)
+ #else
+ printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr);
+ #endif
+- printk("TASK = %p[%d] '%s' THREAD: %p",
+- current, task_pid_nr(current), current->comm, task_thread_info(current));
++ printk("TASK = %p[%d,#%u] '%s' THREAD: %p",
++ current, task_pid_nr(current), current->xid,
++ current->comm, task_thread_info(current));
+
+ #ifdef CONFIG_SMP
+ printk(" CPU: %d", raw_smp_processor_id());
+diff -NurpP --minimal linux-3.4.45/arch/powerpc/kernel/traps.c linux-3.4.45-vs2.3.3.9/arch/powerpc/kernel/traps.c
+--- linux-3.4.45/arch/powerpc/kernel/traps.c 2013-05-13 17:36:18.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/powerpc/kernel/traps.c 2013-05-13 18:16:08.000000000 +0000
+@@ -1125,8 +1125,9 @@ void nonrecoverable_exception(struct pt_
+
+ void trace_syscall(struct pt_regs *regs)
+ {
+- printk("Task: %p(%d), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
+- current, task_pid_nr(current), regs->nip, regs->link, regs->gpr[0],
++ printk("Task: %p(%d[#%u]), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
++ current, task_pid_nr(current), current->xid,
++ regs->nip, regs->link, regs->gpr[0],
+ regs->ccr&0x10000000?"Error=":"", regs->gpr[3], print_tainted());
+ }
+
+diff -NurpP --minimal linux-3.4.45/arch/s390/Kconfig linux-3.4.45-vs2.3.3.9/arch/s390/Kconfig
+--- linux-3.4.45/arch/s390/Kconfig 2012-05-21 16:06:32.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/s390/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -639,6 +639,8 @@ source "fs/Kconfig"
+
+ source "arch/s390/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/s390/include/asm/tlb.h linux-3.4.45-vs2.3.3.9/arch/s390/include/asm/tlb.h
+--- linux-3.4.45/arch/s390/include/asm/tlb.h 2012-05-21 16:06:32.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/s390/include/asm/tlb.h 2012-05-21 16:15:04.000000000 +0000
+@@ -24,6 +24,7 @@
+ #include <linux/mm.h>
+ #include <linux/pagemap.h>
+ #include <linux/swap.h>
++
+ #include <asm/processor.h>
+ #include <asm/pgalloc.h>
+ #include <asm/tlbflush.h>
+diff -NurpP --minimal linux-3.4.45/arch/s390/include/asm/unistd.h linux-3.4.45-vs2.3.3.9/arch/s390/include/asm/unistd.h
+--- linux-3.4.45/arch/s390/include/asm/unistd.h 2012-03-19 18:46:48.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/s390/include/asm/unistd.h 2012-05-21 16:15:04.000000000 +0000
+@@ -202,7 +202,7 @@
+ #define __NR_clock_gettime (__NR_timer_create+6)
+ #define __NR_clock_getres (__NR_timer_create+7)
+ #define __NR_clock_nanosleep (__NR_timer_create+8)
+-/* Number 263 is reserved for vserver */
++#define __NR_vserver 263
+ #define __NR_statfs64 265
+ #define __NR_fstatfs64 266
+ #define __NR_remap_file_pages 267
+diff -NurpP --minimal linux-3.4.45/arch/s390/kernel/ptrace.c linux-3.4.45-vs2.3.3.9/arch/s390/kernel/ptrace.c
+--- linux-3.4.45/arch/s390/kernel/ptrace.c 2012-05-21 16:06:32.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/s390/kernel/ptrace.c 2012-05-21 16:15:04.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/tracehook.h>
+ #include <linux/seccomp.h>
+ #include <linux/compat.h>
++#include <linux/vs_base.h>
+ #include <trace/syscall.h>
+ #include <asm/segment.h>
+ #include <asm/page.h>
+diff -NurpP --minimal linux-3.4.45/arch/s390/kernel/syscalls.S linux-3.4.45-vs2.3.3.9/arch/s390/kernel/syscalls.S
+--- linux-3.4.45/arch/s390/kernel/syscalls.S 2012-01-09 15:14:06.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/s390/kernel/syscalls.S 2012-05-21 16:15:04.000000000 +0000
+@@ -271,7 +271,7 @@ SYSCALL(sys_clock_settime,sys_clock_sett
+ SYSCALL(sys_clock_gettime,sys_clock_gettime,sys32_clock_gettime_wrapper) /* 260 */
+ SYSCALL(sys_clock_getres,sys_clock_getres,sys32_clock_getres_wrapper)
+ SYSCALL(sys_clock_nanosleep,sys_clock_nanosleep,sys32_clock_nanosleep_wrapper)
+-NI_SYSCALL /* reserved for vserver */
++SYSCALL(sys_vserver,sys_vserver,sys32_vserver)
+ SYSCALL(sys_s390_fadvise64_64,sys_ni_syscall,sys32_fadvise64_64_wrapper)
+ SYSCALL(sys_statfs64,sys_statfs64,compat_sys_statfs64_wrapper)
+ SYSCALL(sys_fstatfs64,sys_fstatfs64,compat_sys_fstatfs64_wrapper)
+diff -NurpP --minimal linux-3.4.45/arch/sh/Kconfig linux-3.4.45-vs2.3.3.9/arch/sh/Kconfig
+--- linux-3.4.45/arch/sh/Kconfig 2012-05-21 16:06:33.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/sh/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -905,6 +905,8 @@ source "fs/Kconfig"
+
+ source "arch/sh/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/sh/kernel/irq.c linux-3.4.45-vs2.3.3.9/arch/sh/kernel/irq.c
+--- linux-3.4.45/arch/sh/kernel/irq.c 2011-07-22 09:17:41.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/sh/kernel/irq.c 2012-05-21 16:15:04.000000000 +0000
+@@ -14,6 +14,7 @@
+ #include <linux/ftrace.h>
+ #include <linux/delay.h>
+ #include <linux/ratelimit.h>
++// #include <linux/vs_context.h>
+ #include <asm/processor.h>
+ #include <asm/machvec.h>
+ #include <asm/uaccess.h>
+diff -NurpP --minimal linux-3.4.45/arch/sparc/Kconfig linux-3.4.45-vs2.3.3.9/arch/sparc/Kconfig
+--- linux-3.4.45/arch/sparc/Kconfig 2013-05-13 17:36:18.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/sparc/Kconfig 2012-06-08 13:57:24.000000000 +0000
+@@ -599,6 +599,8 @@ source "fs/Kconfig"
+
+ source "arch/sparc/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/sparc/include/asm/unistd.h linux-3.4.45-vs2.3.3.9/arch/sparc/include/asm/unistd.h
+--- linux-3.4.45/arch/sparc/include/asm/unistd.h 2012-01-09 15:14:07.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/sparc/include/asm/unistd.h 2012-05-21 16:15:04.000000000 +0000
+@@ -335,7 +335,7 @@
+ #define __NR_timer_getoverrun 264
+ #define __NR_timer_delete 265
+ #define __NR_timer_create 266
+-/* #define __NR_vserver 267 Reserved for VSERVER */
++#define __NR_vserver 267
+ #define __NR_io_setup 268
+ #define __NR_io_destroy 269
+ #define __NR_io_submit 270
+diff -NurpP --minimal linux-3.4.45/arch/sparc/kernel/systbls_32.S linux-3.4.45-vs2.3.3.9/arch/sparc/kernel/systbls_32.S
+--- linux-3.4.45/arch/sparc/kernel/systbls_32.S 2012-01-09 15:14:09.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/sparc/kernel/systbls_32.S 2012-05-21 16:15:04.000000000 +0000
+@@ -70,7 +70,7 @@ sys_call_table:
+ /*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_ni_syscall
+ /*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
+ /*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
+-/*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy
++/*265*/ .long sys_timer_delete, sys_timer_create, sys_vserver, sys_io_setup, sys_io_destroy
+ /*270*/ .long sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
+ /*275*/ .long sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
+ /*280*/ .long sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
+diff -NurpP --minimal linux-3.4.45/arch/sparc/kernel/systbls_64.S linux-3.4.45-vs2.3.3.9/arch/sparc/kernel/systbls_64.S
+--- linux-3.4.45/arch/sparc/kernel/systbls_64.S 2013-05-13 17:36:18.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/sparc/kernel/systbls_64.S 2012-06-08 13:57:24.000000000 +0000
+@@ -71,7 +71,7 @@ sys_call_table32:
+ /*250*/ .word sys_mremap, compat_sys_sysctl, sys32_getsid, sys_fdatasync, sys_nis_syscall
+ .word sys32_sync_file_range, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep
+ /*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun
+- .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
++ .word sys_timer_delete, compat_sys_timer_create, sys32_vserver, compat_sys_io_setup, sys_io_destroy
+ /*270*/ .word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink
+ .word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid
+ /*280*/ .word sys32_tee, sys_add_key, sys_request_key, compat_sys_keyctl, compat_sys_openat
+@@ -148,7 +148,7 @@ sys_call_table:
+ /*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nis_syscall
+ .word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
+ /*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
+- .word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy
++ .word sys_timer_delete, sys_timer_create, sys_vserver, sys_io_setup, sys_io_destroy
+ /*270*/ .word sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
+ .word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
+ /*280*/ .word sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
+diff -NurpP --minimal linux-3.4.45/arch/um/Kconfig.rest linux-3.4.45-vs2.3.3.9/arch/um/Kconfig.rest
+--- linux-3.4.45/arch/um/Kconfig.rest 2012-01-09 15:14:09.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/um/Kconfig.rest 2012-05-21 16:15:04.000000000 +0000
+@@ -12,6 +12,8 @@ source "arch/um/Kconfig.net"
+
+ source "fs/Kconfig"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/um/include/shared/kern_constants.h linux-3.4.45-vs2.3.3.9/arch/um/include/shared/kern_constants.h
+--- linux-3.4.45/arch/um/include/shared/kern_constants.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/um/include/shared/kern_constants.h 2012-05-21 16:15:04.000000000 +0000
+@@ -0,0 +1 @@
++#include "../../../../include/generated/asm-offsets.h"
+diff -NurpP --minimal linux-3.4.45/arch/um/include/shared/user_constants.h linux-3.4.45-vs2.3.3.9/arch/um/include/shared/user_constants.h
+--- linux-3.4.45/arch/um/include/shared/user_constants.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/um/include/shared/user_constants.h 2012-05-21 16:15:04.000000000 +0000
+@@ -0,0 +1,40 @@
++/*
++ * DO NOT MODIFY.
++ *
++ * This file was generated by arch/um/Makefile
++ *
++ */
++
++#define HOST_SC_CR2 176 /* offsetof(struct sigcontext, cr2) # */
++#define HOST_SC_ERR 152 /* offsetof(struct sigcontext, err) # */
++#define HOST_SC_TRAPNO 160 /* offsetof(struct sigcontext, trapno) # */
++#define HOST_FP_SIZE 64 /* sizeof(struct _fpstate) / sizeof(unsigned long) # */
++#define HOST_RBX 5 /* RBX # */
++#define HOST_RCX 11 /* RCX # */
++#define HOST_RDI 14 /* RDI # */
++#define HOST_RSI 13 /* RSI # */
++#define HOST_RDX 12 /* RDX # */
++#define HOST_RBP 4 /* RBP # */
++#define HOST_RAX 10 /* RAX # */
++#define HOST_R8 9 /* R8 # */
++#define HOST_R9 8 /* R9 # */
++#define HOST_R10 7 /* R10 # */
++#define HOST_R11 6 /* R11 # */
++#define HOST_R12 3 /* R12 # */
++#define HOST_R13 2 /* R13 # */
++#define HOST_R14 1 /* R14 # */
++#define HOST_R15 0 /* R15 # */
++#define HOST_ORIG_RAX 15 /* ORIG_RAX # */
++#define HOST_CS 17 /* CS # */
++#define HOST_SS 20 /* SS # */
++#define HOST_EFLAGS 18 /* EFLAGS # */
++#define HOST_IP 16 /* RIP # */
++#define HOST_SP 19 /* RSP # */
++#define UM_FRAME_SIZE 216 /* sizeof(struct user_regs_struct) # */
++#define UM_POLLIN 1 /* POLLIN # */
++#define UM_POLLPRI 2 /* POLLPRI # */
++#define UM_POLLOUT 4 /* POLLOUT # */
++#define UM_PROT_READ 1 /* PROT_READ # */
++#define UM_PROT_WRITE 2 /* PROT_WRITE # */
++#define UM_PROT_EXEC 4 /* PROT_EXEC # */
++
+diff -NurpP --minimal linux-3.4.45/arch/x86/Kconfig linux-3.4.45-vs2.3.3.9/arch/x86/Kconfig
+--- linux-3.4.45/arch/x86/Kconfig 2013-05-13 17:36:18.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/x86/Kconfig 2013-03-02 15:26:44.000000000 +0000
+@@ -2221,6 +2221,8 @@ source "fs/Kconfig"
+
+ source "arch/x86/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.4.45/arch/x86/syscalls/syscall_32.tbl linux-3.4.45-vs2.3.3.9/arch/x86/syscalls/syscall_32.tbl
+--- linux-3.4.45/arch/x86/syscalls/syscall_32.tbl 2012-05-21 16:06:42.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/x86/syscalls/syscall_32.tbl 2012-05-21 16:15:04.000000000 +0000
+@@ -279,7 +279,7 @@
+ 270 i386 tgkill sys_tgkill
+ 271 i386 utimes sys_utimes compat_sys_utimes
+ 272 i386 fadvise64_64 sys_fadvise64_64 sys32_fadvise64_64
+-273 i386 vserver
++273 i386 vserver sys_vserver sys32_vserver
+ 274 i386 mbind sys_mbind
+ 275 i386 get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy
+ 276 i386 set_mempolicy sys_set_mempolicy
+diff -NurpP --minimal linux-3.4.45/arch/x86/syscalls/syscall_64.tbl linux-3.4.45-vs2.3.3.9/arch/x86/syscalls/syscall_64.tbl
+--- linux-3.4.45/arch/x86/syscalls/syscall_64.tbl 2013-05-13 17:36:19.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/arch/x86/syscalls/syscall_64.tbl 2012-09-16 18:49:11.000000000 +0000
+@@ -242,7 +242,7 @@
+ 233 common epoll_ctl sys_epoll_ctl
+ 234 common tgkill sys_tgkill
+ 235 common utimes sys_utimes
+-236 64 vserver
++236 64 vserver sys_vserver
+ 237 common mbind sys_mbind
+ 238 common set_mempolicy sys_set_mempolicy
+ 239 common get_mempolicy sys_get_mempolicy
+diff -NurpP --minimal linux-3.4.45/drivers/block/Kconfig linux-3.4.45-vs2.3.3.9/drivers/block/Kconfig
+--- linux-3.4.45/drivers/block/Kconfig 2012-05-21 16:06:43.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/block/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -290,6 +290,13 @@ config BLK_DEV_CRYPTOLOOP
+
+ source "drivers/block/drbd/Kconfig"
+
++config BLK_DEV_VROOT
++ tristate "Virtual Root device support"
++ depends on QUOTACTL
++ ---help---
++ Saying Y here will allow you to use quota/fs ioctls on a shared
++ partition within a virtual server without compromising security.
++
+ config BLK_DEV_NBD
+ tristate "Network block device support"
+ depends on NET
+diff -NurpP --minimal linux-3.4.45/drivers/block/Makefile linux-3.4.45-vs2.3.3.9/drivers/block/Makefile
+--- linux-3.4.45/drivers/block/Makefile 2012-03-19 18:46:52.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/block/Makefile 2012-05-21 16:15:04.000000000 +0000
+@@ -35,6 +35,7 @@ obj-$(CONFIG_VIODASD) += viodasd.o
+ obj-$(CONFIG_BLK_DEV_SX8) += sx8.o
+ obj-$(CONFIG_BLK_DEV_UB) += ub.o
+ obj-$(CONFIG_BLK_DEV_HD) += hd.o
++obj-$(CONFIG_BLK_DEV_VROOT) += vroot.o
+
+ obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o
+ obj-$(CONFIG_XEN_BLKDEV_BACKEND) += xen-blkback/
+diff -NurpP --minimal linux-3.4.45/drivers/block/loop.c linux-3.4.45-vs2.3.3.9/drivers/block/loop.c
+--- linux-3.4.45/drivers/block/loop.c 2013-05-13 17:36:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/block/loop.c 2013-05-13 18:16:08.000000000 +0000
+@@ -76,6 +76,7 @@
+ #include <linux/sysfs.h>
+ #include <linux/miscdevice.h>
+ #include <linux/falloc.h>
++#include <linux/vs_context.h>
+
+ #include <asm/uaccess.h>
+
+@@ -869,6 +870,7 @@ static int loop_set_fd(struct loop_devic
+ lo->lo_blocksize = lo_blocksize;
+ lo->lo_device = bdev;
+ lo->lo_flags = lo_flags;
++ lo->lo_xid = vx_current_xid();
+ lo->lo_backing_file = file;
+ lo->transfer = transfer_none;
+ lo->ioctl = NULL;
+@@ -1006,6 +1008,7 @@ static int loop_clr_fd(struct loop_devic
+ lo->lo_sizelimit = 0;
+ lo->lo_encrypt_key_size = 0;
+ lo->lo_thread = NULL;
++ lo->lo_xid = 0;
+ memset(lo->lo_encrypt_key, 0, LO_KEY_SIZE);
+ memset(lo->lo_crypt_name, 0, LO_NAME_SIZE);
+ memset(lo->lo_file_name, 0, LO_NAME_SIZE);
+@@ -1049,7 +1052,7 @@ loop_set_status(struct loop_device *lo,
+
+ if (lo->lo_encrypt_key_size &&
+ lo->lo_key_owner != uid &&
+- !capable(CAP_SYS_ADMIN))
++ !vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_CLOOP))
+ return -EPERM;
+ if (lo->lo_state != Lo_bound)
+ return -ENXIO;
+@@ -1139,7 +1142,8 @@ loop_get_status(struct loop_device *lo,
+ memcpy(info->lo_crypt_name, lo->lo_crypt_name, LO_NAME_SIZE);
+ info->lo_encrypt_type =
+ lo->lo_encryption ? lo->lo_encryption->number : 0;
+- if (lo->lo_encrypt_key_size && capable(CAP_SYS_ADMIN)) {
++ if (lo->lo_encrypt_key_size &&
++ vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_CLOOP)) {
+ info->lo_encrypt_key_size = lo->lo_encrypt_key_size;
+ memcpy(info->lo_encrypt_key, lo->lo_encrypt_key,
+ lo->lo_encrypt_key_size);
+@@ -1497,6 +1501,11 @@ static int lo_open(struct block_device *
+ goto out;
+ }
+
++ if (!vx_check(lo->lo_xid, VS_IDENT|VS_HOSTID|VS_ADMIN_P)) {
++ err = -EACCES;
++ goto out;
++ }
++
+ mutex_lock(&lo->lo_ctl_mutex);
+ lo->lo_refcnt++;
+ mutex_unlock(&lo->lo_ctl_mutex);
+diff -NurpP --minimal linux-3.4.45/drivers/block/vroot.c linux-3.4.45-vs2.3.3.9/drivers/block/vroot.c
+--- linux-3.4.45/drivers/block/vroot.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/block/vroot.c 2012-05-21 16:15:04.000000000 +0000
+@@ -0,0 +1,291 @@
++/*
++ * linux/drivers/block/vroot.c
++ *
++ * written by Herbert Pötzl, 9/11/2002
++ * ported to 2.6.10 by Herbert Pötzl, 30/12/2004
++ *
++ * based on the loop.c code by Theodore Ts'o.
++ *
++ * Copyright (C) 2002-2007 by Herbert Pötzl.
++ * Redistribution of this file is permitted under the
++ * GNU General Public License.
++ *
++ */
++
++#include <linux/module.h>
++#include <linux/moduleparam.h>
++#include <linux/file.h>
++#include <linux/major.h>
++#include <linux/blkdev.h>
++#include <linux/slab.h>
++
++#include <linux/vroot.h>
++#include <linux/vs_context.h>
++
++
++static int max_vroot = 8;
++
++static struct vroot_device *vroot_dev;
++static struct gendisk **disks;
++
++
++static int vroot_set_dev(
++ struct vroot_device *vr,
++ struct block_device *bdev,
++ unsigned int arg)
++{
++ struct block_device *real_bdev;
++ struct file *file;
++ struct inode *inode;
++ int error;
++
++ error = -EBUSY;
++ if (vr->vr_state != Vr_unbound)
++ goto out;
++
++ error = -EBADF;
++ file = fget(arg);
++ if (!file)
++ goto out;
++
++ error = -EINVAL;
++ inode = file->f_dentry->d_inode;
++
++
++ if (S_ISBLK(inode->i_mode)) {
++ real_bdev = inode->i_bdev;
++ vr->vr_device = real_bdev;
++ __iget(real_bdev->bd_inode);
++ } else
++ goto out_fput;
++
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot[%d]_set_dev: dev=" VXF_DEV,
++ vr->vr_number, VXD_DEV(real_bdev));
++
++ vr->vr_state = Vr_bound;
++ error = 0;
++
++ out_fput:
++ fput(file);
++ out:
++ return error;
++}
++
++static int vroot_clr_dev(
++ struct vroot_device *vr,
++ struct block_device *bdev)
++{
++ struct block_device *real_bdev;
++
++ if (vr->vr_state != Vr_bound)
++ return -ENXIO;
++ if (vr->vr_refcnt > 1) /* we needed one fd for the ioctl */
++ return -EBUSY;
++
++ real_bdev = vr->vr_device;
++
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot[%d]_clr_dev: dev=" VXF_DEV,
++ vr->vr_number, VXD_DEV(real_bdev));
++
++ bdput(real_bdev);
++ vr->vr_state = Vr_unbound;
++ vr->vr_device = NULL;
++ return 0;
++}
++
++
++static int vr_ioctl(struct block_device *bdev, fmode_t mode,
++ unsigned int cmd, unsigned long arg)
++{
++ struct vroot_device *vr = bdev->bd_disk->private_data;
++ int err;
++
++ down(&vr->vr_ctl_mutex);
++ switch (cmd) {
++ case VROOT_SET_DEV:
++ err = vroot_set_dev(vr, bdev, arg);
++ break;
++ case VROOT_CLR_DEV:
++ err = vroot_clr_dev(vr, bdev);
++ break;
++ default:
++ err = -EINVAL;
++ break;
++ }
++ up(&vr->vr_ctl_mutex);
++ return err;
++}
++
++static int vr_open(struct block_device *bdev, fmode_t mode)
++{
++ struct vroot_device *vr = bdev->bd_disk->private_data;
++
++ down(&vr->vr_ctl_mutex);
++ vr->vr_refcnt++;
++ up(&vr->vr_ctl_mutex);
++ return 0;
++}
++
++static int vr_release(struct gendisk *disk, fmode_t mode)
++{
++ struct vroot_device *vr = disk->private_data;
++
++ down(&vr->vr_ctl_mutex);
++ --vr->vr_refcnt;
++ up(&vr->vr_ctl_mutex);
++ return 0;
++}
++
++static struct block_device_operations vr_fops = {
++ .owner = THIS_MODULE,
++ .open = vr_open,
++ .release = vr_release,
++ .ioctl = vr_ioctl,
++};
++
++static void vroot_make_request(struct request_queue *q, struct bio *bio)
++{
++ printk("vroot_make_request %p, %p\n", q, bio);
++ bio_io_error(bio);
++}
++
++struct block_device *__vroot_get_real_bdev(struct block_device *bdev)
++{
++ struct inode *inode = bdev->bd_inode;
++ struct vroot_device *vr;
++ struct block_device *real_bdev;
++ int minor = iminor(inode);
++
++ vr = &vroot_dev[minor];
++ real_bdev = vr->vr_device;
++
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot[%d]_get_real_bdev: dev=" VXF_DEV,
++ vr->vr_number, VXD_DEV(real_bdev));
++
++ if (vr->vr_state != Vr_bound)
++ return ERR_PTR(-ENXIO);
++
++ __iget(real_bdev->bd_inode);
++ return real_bdev;
++}
++
++
++
++/*
++ * And now the modules code and kernel interface.
++ */
++
++module_param(max_vroot, int, 0);
++
++MODULE_PARM_DESC(max_vroot, "Maximum number of vroot devices (1-256)");
++MODULE_LICENSE("GPL");
++MODULE_ALIAS_BLOCKDEV_MAJOR(VROOT_MAJOR);
++
++MODULE_AUTHOR ("Herbert Pötzl");
++MODULE_DESCRIPTION ("Virtual Root Device Mapper");
++
++
++int __init vroot_init(void)
++{
++ int err, i;
++
++ if (max_vroot < 1 || max_vroot > 256) {
++ max_vroot = MAX_VROOT_DEFAULT;
++ printk(KERN_WARNING "vroot: invalid max_vroot "
++ "(must be between 1 and 256), "
++ "using default (%d)\n", max_vroot);
++ }
++
++ if (register_blkdev(VROOT_MAJOR, "vroot"))
++ return -EIO;
++
++ err = -ENOMEM;
++ vroot_dev = kmalloc(max_vroot * sizeof(struct vroot_device), GFP_KERNEL);
++ if (!vroot_dev)
++ goto out_mem1;
++ memset(vroot_dev, 0, max_vroot * sizeof(struct vroot_device));
++
++ disks = kmalloc(max_vroot * sizeof(struct gendisk *), GFP_KERNEL);
++ if (!disks)
++ goto out_mem2;
++
++ for (i = 0; i < max_vroot; i++) {
++ disks[i] = alloc_disk(1);
++ if (!disks[i])
++ goto out_mem3;
++ disks[i]->queue = blk_alloc_queue(GFP_KERNEL);
++ if (!disks[i]->queue)
++ goto out_mem3;
++ blk_queue_make_request(disks[i]->queue, vroot_make_request);
++ }
++
++ for (i = 0; i < max_vroot; i++) {
++ struct vroot_device *vr = &vroot_dev[i];
++ struct gendisk *disk = disks[i];
++
++ memset(vr, 0, sizeof(*vr));
++ sema_init(&vr->vr_ctl_mutex, 1);
++ vr->vr_number = i;
++ disk->major = VROOT_MAJOR;
++ disk->first_minor = i;
++ disk->fops = &vr_fops;
++ sprintf(disk->disk_name, "vroot%d", i);
++ disk->private_data = vr;
++ }
++
++ err = register_vroot_grb(&__vroot_get_real_bdev);
++ if (err)
++ goto out_mem3;
++
++ for (i = 0; i < max_vroot; i++)
++ add_disk(disks[i]);
++ printk(KERN_INFO "vroot: loaded (max %d devices)\n", max_vroot);
++ return 0;
++
++out_mem3:
++ while (i--)
++ put_disk(disks[i]);
++ kfree(disks);
++out_mem2:
++ kfree(vroot_dev);
++out_mem1:
++ unregister_blkdev(VROOT_MAJOR, "vroot");
++ printk(KERN_ERR "vroot: ran out of memory\n");
++ return err;
++}
++
++void vroot_exit(void)
++{
++ int i;
++
++ if (unregister_vroot_grb(&__vroot_get_real_bdev))
++ printk(KERN_WARNING "vroot: cannot unregister grb\n");
++
++ for (i = 0; i < max_vroot; i++) {
++ del_gendisk(disks[i]);
++ put_disk(disks[i]);
++ }
++ unregister_blkdev(VROOT_MAJOR, "vroot");
++
++ kfree(disks);
++ kfree(vroot_dev);
++}
++
++module_init(vroot_init);
++module_exit(vroot_exit);
++
++#ifndef MODULE
++
++static int __init max_vroot_setup(char *str)
++{
++ max_vroot = simple_strtol(str, NULL, 0);
++ return 1;
++}
++
++__setup("max_vroot=", max_vroot_setup);
++
++#endif
++
+diff -NurpP --minimal linux-3.4.45/drivers/infiniband/Kconfig linux-3.4.45-vs2.3.3.9/drivers/infiniband/Kconfig
+--- linux-3.4.45/drivers/infiniband/Kconfig 2012-03-19 18:46:54.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/infiniband/Kconfig 2012-05-21 16:15:04.000000000 +0000
+@@ -39,7 +39,7 @@ config INFINIBAND_USER_MEM
+ config INFINIBAND_ADDR_TRANS
+ bool
+ depends on INET
+- depends on !(INFINIBAND = y && IPV6 = m)
++ depends on !(INFINIBAND = y && IPV6 = y)
+ default y
+
+ source "drivers/infiniband/hw/mthca/Kconfig"
+diff -NurpP --minimal linux-3.4.45/drivers/infiniband/core/addr.c linux-3.4.45-vs2.3.3.9/drivers/infiniband/core/addr.c
+--- linux-3.4.45/drivers/infiniband/core/addr.c 2012-05-21 16:06:46.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/infiniband/core/addr.c 2012-05-21 16:15:04.000000000 +0000
+@@ -263,7 +263,7 @@ static int addr6_resolve(struct sockaddr
+
+ if (ipv6_addr_any(&fl6.saddr)) {
+ ret = ipv6_dev_get_saddr(&init_net, ip6_dst_idev(dst)->dev,
+- &fl6.daddr, 0, &fl6.saddr);
++ &fl6.daddr, 0, &fl6.saddr, NULL);
+ if (ret)
+ goto put;
+
+diff -NurpP --minimal linux-3.4.45/drivers/md/dm-ioctl.c linux-3.4.45-vs2.3.3.9/drivers/md/dm-ioctl.c
+--- linux-3.4.45/drivers/md/dm-ioctl.c 2013-05-13 17:36:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/md/dm-ioctl.c 2013-02-11 23:37:30.000000000 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/dm-ioctl.h>
+ #include <linux/hdreg.h>
+ #include <linux/compat.h>
++#include <linux/vs_context.h>
+
+ #include <asm/uaccess.h>
+
+@@ -106,7 +107,8 @@ static struct hash_cell *__get_name_cell
+ unsigned int h = hash_str(str);
+
+ list_for_each_entry (hc, _name_buckets + h, name_list)
+- if (!strcmp(hc->name, str)) {
++ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
++ !strcmp(hc->name, str)) {
+ dm_get(hc->md);
+ return hc;
+ }
+@@ -120,7 +122,8 @@ static struct hash_cell *__get_uuid_cell
+ unsigned int h = hash_str(str);
+
+ list_for_each_entry (hc, _uuid_buckets + h, uuid_list)
+- if (!strcmp(hc->uuid, str)) {
++ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
++ !strcmp(hc->uuid, str)) {
+ dm_get(hc->md);
+ return hc;
+ }
+@@ -131,13 +134,15 @@ static struct hash_cell *__get_uuid_cell
+ static struct hash_cell *__get_dev_cell(uint64_t dev)
+ {
+ struct mapped_device *md;
+- struct hash_cell *hc;
++ struct hash_cell *hc = NULL;
+
+ md = dm_get_md(huge_decode_dev(dev));
+ if (!md)
+ return NULL;
+
+- hc = dm_get_mdptr(md);
++ if (vx_check(dm_get_xid(md), VS_WATCH_P | VS_IDENT))
++ hc = dm_get_mdptr(md);
++
+ if (!hc) {
+ dm_put(md);
+ return NULL;
+@@ -445,6 +450,9 @@ typedef int (*ioctl_fn)(struct dm_ioctl
+
+ static int remove_all(struct dm_ioctl *param, size_t param_size)
+ {
++ if (!vx_check(0, VS_ADMIN))
++ return -EPERM;
++
+ dm_hash_remove_all(1);
+ param->data_size = 0;
+ return 0;
+@@ -492,6 +500,8 @@ static int list_devices(struct dm_ioctl
+ */
+ for (i = 0; i < NUM_BUCKETS; i++) {
+ list_for_each_entry (hc, _name_buckets + i, name_list) {
++ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
++ continue;
+ needed += sizeof(struct dm_name_list);
+ needed += strlen(hc->name) + 1;
+ needed += ALIGN_MASK;
+@@ -515,6 +525,8 @@ static int list_devices(struct dm_ioctl
+ */
+ for (i = 0; i < NUM_BUCKETS; i++) {
+ list_for_each_entry (hc, _name_buckets + i, name_list) {
++ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
++ continue;
+ if (old_nl)
+ old_nl->next = (uint32_t) ((void *) nl -
+ (void *) old_nl);
+@@ -1624,8 +1636,8 @@ static int ctl_ioctl(uint command, struc
+ ioctl_fn fn = NULL;
+ size_t input_param_size;
+
+- /* only root can play with this */
+- if (!capable(CAP_SYS_ADMIN))
++ /* only root and certain contexts can play with this */
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_MAPPER))
+ return -EACCES;
+
+ if (_IOC_TYPE(command) != DM_IOCTL)
+diff -NurpP --minimal linux-3.4.45/drivers/md/dm.c linux-3.4.45-vs2.3.3.9/drivers/md/dm.c
+--- linux-3.4.45/drivers/md/dm.c 2013-05-13 17:36:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/md/dm.c 2012-12-08 00:53:53.000000000 +0000
+@@ -19,6 +19,7 @@
+ #include <linux/idr.h>
+ #include <linux/hdreg.h>
+ #include <linux/delay.h>
++#include <linux/vs_base.h>
+
+ #include <trace/events/block.h>
+
+@@ -131,6 +132,7 @@ struct mapped_device {
+ rwlock_t map_lock;
+ atomic_t holders;
+ atomic_t open_count;
++ xid_t xid;
+
+ unsigned long flags;
+
+@@ -343,6 +345,7 @@ int dm_deleting_md(struct mapped_device
+ static int dm_blk_open(struct block_device *bdev, fmode_t mode)
+ {
+ struct mapped_device *md;
++ int ret = -ENXIO;
+
+ spin_lock(&_minor_lock);
+
+@@ -351,18 +354,19 @@ static int dm_blk_open(struct block_devi
+ goto out;
+
+ if (test_bit(DMF_FREEING, &md->flags) ||
+- dm_deleting_md(md)) {
+- md = NULL;
++ dm_deleting_md(md))
++ goto out;
++
++ ret = -EACCES;
++ if (!vx_check(md->xid, VS_IDENT|VS_HOSTID))
+ goto out;
+- }
+
+ dm_get(md);
+ atomic_inc(&md->open_count);
+-
++ ret = 0;
+ out:
+ spin_unlock(&_minor_lock);
+-
+- return md ? 0 : -ENXIO;
++ return ret;
+ }
+
+ static int dm_blk_close(struct gendisk *disk, fmode_t mode)
+@@ -583,6 +587,14 @@ int dm_set_geometry(struct mapped_device
+ return 0;
+ }
+
++/*
++ * Get the xid associated with a dm device
++ */
++xid_t dm_get_xid(struct mapped_device *md)
++{
++ return md->xid;
++}
++
+ /*-----------------------------------------------------------------
+ * CRUD START:
+ * A more elegant soln is in the works that uses the queue
+@@ -1876,6 +1888,7 @@ static struct mapped_device *alloc_dev(i
+ INIT_LIST_HEAD(&md->uevent_list);
+ spin_lock_init(&md->uevent_lock);
+
++ md->xid = vx_current_xid();
+ md->queue = blk_alloc_queue(GFP_KERNEL);
+ if (!md->queue)
+ goto bad_queue;
+diff -NurpP --minimal linux-3.4.45/drivers/md/dm.h linux-3.4.45-vs2.3.3.9/drivers/md/dm.h
+--- linux-3.4.45/drivers/md/dm.h 2012-01-09 15:14:21.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/md/dm.h 2012-05-21 16:15:04.000000000 +0000
+@@ -41,6 +41,8 @@ struct dm_dev_internal {
+ struct dm_table;
+ struct dm_md_mempools;
+
++xid_t dm_get_xid(struct mapped_device *md);
++
+ /*-----------------------------------------------------------------
+ * Internal table functions.
+ *---------------------------------------------------------------*/
+diff -NurpP --minimal linux-3.4.45/drivers/net/tun.c linux-3.4.45-vs2.3.3.9/drivers/net/tun.c
+--- linux-3.4.45/drivers/net/tun.c 2013-05-13 17:36:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/net/tun.c 2013-03-30 21:29:17.000000000 +0000
+@@ -64,6 +64,7 @@
+ #include <linux/nsproxy.h>
+ #include <linux/virtio_net.h>
+ #include <linux/rcupdate.h>
++#include <linux/vs_network.h>
+ #include <net/net_namespace.h>
+ #include <net/netns/generic.h>
+ #include <net/rtnetlink.h>
+@@ -120,6 +121,7 @@ struct tun_struct {
+ unsigned int flags;
+ uid_t owner;
+ gid_t group;
++ nid_t nid;
+
+ struct net_device *dev;
+ netdev_features_t set_features;
+@@ -912,6 +914,7 @@ static void tun_setup(struct net_device
+
+ tun->owner = -1;
+ tun->group = -1;
++ tun->nid = current->nid;
+
+ dev->ethtool_ops = &tun_ethtool_ops;
+ dev->destructor = tun_free_netdev;
+@@ -1070,7 +1073,7 @@ static int tun_set_iff(struct net *net,
+
+ if (((tun->owner != -1 && cred->euid != tun->owner) ||
+ (tun->group != -1 && !in_egroup_p(tun->group))) &&
+- !capable(CAP_NET_ADMIN))
++ !cap_raised(current_cap(), CAP_NET_ADMIN))
+ return -EPERM;
+ err = security_tun_dev_attach(tun->socket.sk);
+ if (err < 0)
+@@ -1084,7 +1087,7 @@ static int tun_set_iff(struct net *net,
+ char *name;
+ unsigned long flags = 0;
+
+- if (!capable(CAP_NET_ADMIN))
++ if (!nx_capable(CAP_NET_ADMIN, NXC_TUN_CREATE))
+ return -EPERM;
+ err = security_tun_dev_create();
+ if (err < 0)
+@@ -1154,6 +1157,9 @@ static int tun_set_iff(struct net *net,
+
+ sk->sk_destruct = tun_sock_destruct;
+
++ if (!nx_check(tun->nid, VS_IDENT | VS_HOSTID | VS_ADMIN_P))
++ return -EPERM;
++
+ err = tun_attach(tun, file);
+ if (err < 0)
+ goto failed;
+@@ -1337,6 +1343,16 @@ static long __tun_chr_ioctl(struct file
+ tun_debug(KERN_INFO, tun, "group set to %d\n", tun->group);
+ break;
+
++ case TUNSETNID:
++ if (!capable(CAP_CONTEXT))
++ return -EPERM;
++
++ /* Set nid owner of the device */
++ tun->nid = (nid_t) arg;
++
++ tun_debug(KERN_INFO, tun, "nid owner set to %u\n", tun->nid);
++ break;
++
+ case TUNSETLINK:
+ /* Only allow setting the type when the interface is down */
+ if (tun->dev->flags & IFF_UP) {
+diff -NurpP --minimal linux-3.4.45/drivers/tty/sysrq.c linux-3.4.45-vs2.3.3.9/drivers/tty/sysrq.c
+--- linux-3.4.45/drivers/tty/sysrq.c 2012-05-21 16:07:16.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/tty/sysrq.c 2012-05-21 16:15:04.000000000 +0000
+@@ -41,6 +41,7 @@
+ #include <linux/slab.h>
+ #include <linux/input.h>
+ #include <linux/uaccess.h>
++#include <linux/vserver/debug.h>
+
+ #include <asm/ptrace.h>
+ #include <asm/irq_regs.h>
+@@ -398,6 +399,21 @@ static struct sysrq_key_op sysrq_unrt_op
+ .enable_mask = SYSRQ_ENABLE_RTNICE,
+ };
+
++
++#ifdef CONFIG_VSERVER_DEBUG
++static void sysrq_handle_vxinfo(int key)
++{
++ dump_vx_info_inactive((key == 'x') ? 0 : 1);
++}
++
++static struct sysrq_key_op sysrq_showvxinfo_op = {
++ .handler = sysrq_handle_vxinfo,
++ .help_msg = "conteXt",
++ .action_msg = "Show Context Info",
++ .enable_mask = SYSRQ_ENABLE_DUMP,
++};
++#endif
++
+ /* Key Operations table and lock */
+ static DEFINE_SPINLOCK(sysrq_key_table_lock);
+
+@@ -452,7 +468,11 @@ static struct sysrq_key_op *sysrq_key_ta
+ NULL, /* v */
+ &sysrq_showstate_blocked_op, /* w */
+ /* x: May be registered on ppc/powerpc for xmon */
++#ifdef CONFIG_VSERVER_DEBUG
++ &sysrq_showvxinfo_op, /* x */
++#else
+ NULL, /* x */
++#endif
+ /* y: May be registered on sparc64 for global register dump */
+ NULL, /* y */
+ &sysrq_ftrace_dump_op, /* z */
+@@ -467,6 +487,8 @@ static int sysrq_key_table_key2index(int
+ retval = key - '0';
+ else if ((key >= 'a') && (key <= 'z'))
+ retval = key + 10 - 'a';
++ else if ((key >= 'A') && (key <= 'Z'))
++ retval = key + 10 - 'A';
+ else
+ retval = -1;
+ return retval;
+diff -NurpP --minimal linux-3.4.45/drivers/tty/tty_io.c linux-3.4.45-vs2.3.3.9/drivers/tty/tty_io.c
+--- linux-3.4.45/drivers/tty/tty_io.c 2013-05-13 17:36:30.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/drivers/tty/tty_io.c 2013-05-13 18:16:08.000000000 +0000
+@@ -104,6 +104,7 @@
+
+ #include <linux/kmod.h>
+ #include <linux/nsproxy.h>
++#include <linux/vs_pid.h>
+
+ #undef TTY_DEBUG_HANGUP
+
+@@ -2128,7 +2129,8 @@ static int tiocsti(struct tty_struct *tt
+ char ch, mbz = 0;
+ struct tty_ldisc *ld;
+
+- if ((current->signal->tty != tty) && !capable(CAP_SYS_ADMIN))
++ if (((current->signal->tty != tty) &&
++ !vx_capable(CAP_SYS_ADMIN, VXC_TIOCSTI)))
+ return -EPERM;
+ if (get_user(ch, p))
+ return -EFAULT;
+@@ -2416,6 +2418,7 @@ static int tiocspgrp(struct tty_struct *
+ return -ENOTTY;
+ if (get_user(pgrp_nr, p))
+ return -EFAULT;
++ pgrp_nr = vx_rmap_pid(pgrp_nr);
+ if (pgrp_nr < 0)
+ return -EINVAL;
+ rcu_read_lock();
+diff -NurpP --minimal linux-3.4.45/fs/attr.c linux-3.4.45-vs2.3.3.9/fs/attr.c
+--- linux-3.4.45/fs/attr.c 2013-05-13 17:36:33.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/attr.c 2012-06-28 14:45:07.000000000 +0000
+@@ -14,6 +14,9 @@
+ #include <linux/fcntl.h>
+ #include <linux/security.h>
+ #include <linux/evm.h>
++#include <linux/proc_fs.h>
++#include <linux/devpts_fs.h>
++#include <linux/vs_tag.h>
+
+ /**
+ * inode_change_ok - check if attribute changes to an inode are allowed
+@@ -74,6 +77,10 @@ int inode_change_ok(const struct inode *
+ return -EPERM;
+ }
+
++ /* check for inode tag permission */
++ if (dx_permission(inode, MAY_WRITE))
++ return -EACCES;
++
+ return 0;
+ }
+ EXPORT_SYMBOL(inode_change_ok);
+@@ -144,6 +151,8 @@ void setattr_copy(struct inode *inode, c
+ inode->i_uid = attr->ia_uid;
+ if (ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
++ if ((ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ if (ia_valid & ATTR_ATIME)
+ inode->i_atime = timespec_trunc(attr->ia_atime,
+ inode->i_sb->s_time_gran);
+@@ -171,7 +180,8 @@ int notify_change(struct dentry * dentry
+ struct timespec now;
+ unsigned int ia_valid = attr->ia_valid;
+
+- if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_TIMES_SET)) {
++ if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID |
++ ATTR_TAG | ATTR_TIMES_SET)) {
+ if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
+ return -EPERM;
+ }
+diff -NurpP --minimal linux-3.4.45/fs/block_dev.c linux-3.4.45-vs2.3.3.9/fs/block_dev.c
+--- linux-3.4.45/fs/block_dev.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/block_dev.c 2013-05-13 18:16:08.000000000 +0000
+@@ -27,6 +27,7 @@
+ #include <linux/namei.h>
+ #include <linux/log2.h>
+ #include <linux/cleancache.h>
++#include <linux/vs_device.h>
+ #include <asm/uaccess.h>
+ #include "internal.h"
+
+@@ -581,6 +582,7 @@ struct block_device *bdget(dev_t dev)
+ bdev->bd_invalidated = 0;
+ inode->i_mode = S_IFBLK;
+ inode->i_rdev = dev;
++ inode->i_mdev = dev;
+ inode->i_bdev = bdev;
+ inode->i_data.a_ops = &def_blk_aops;
+ mapping_set_gfp_mask(&inode->i_data, GFP_USER);
+@@ -628,6 +630,11 @@ EXPORT_SYMBOL(bdput);
+ static struct block_device *bd_acquire(struct inode *inode)
+ {
+ struct block_device *bdev;
++ dev_t mdev;
++
++ if (!vs_map_blkdev(inode->i_rdev, &mdev, DATTR_OPEN))
++ return NULL;
++ inode->i_mdev = mdev;
+
+ spin_lock(&bdev_lock);
+ bdev = inode->i_bdev;
+@@ -638,7 +645,7 @@ static struct block_device *bd_acquire(s
+ }
+ spin_unlock(&bdev_lock);
+
+- bdev = bdget(inode->i_rdev);
++ bdev = bdget(mdev);
+ if (bdev) {
+ spin_lock(&bdev_lock);
+ if (!inode->i_bdev) {
+diff -NurpP --minimal linux-3.4.45/fs/btrfs/ctree.h linux-3.4.45-vs2.3.3.9/fs/btrfs/ctree.h
+--- linux-3.4.45/fs/btrfs/ctree.h 2012-05-21 16:07:18.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/btrfs/ctree.h 2012-05-21 16:15:04.000000000 +0000
+@@ -668,11 +668,14 @@ struct btrfs_inode_item {
+ /* modification sequence number for NFS */
+ __le64 sequence;
+
++ __le16 tag;
+ /*
+ * a little future expansion, for more than this we can
+ * just grow the inode item and version it
+ */
+- __le64 reserved[4];
++ __le16 reserved16;
++ __le32 reserved32;
++ __le64 reserved[3];
+ struct btrfs_timespec atime;
+ struct btrfs_timespec ctime;
+ struct btrfs_timespec mtime;
+@@ -1542,6 +1545,8 @@ struct btrfs_ioctl_defrag_range_args {
+ #define BTRFS_MOUNT_CHECK_INTEGRITY_INCLUDING_EXTENT_DATA (1 << 21)
+ #define BTRFS_MOUNT_PANIC_ON_FATAL_ERROR (1 << 22)
+
++#define BTRFS_MOUNT_TAGGED (1 << 24)
++
+ #define btrfs_clear_opt(o, opt) ((o) &= ~BTRFS_MOUNT_##opt)
+ #define btrfs_set_opt(o, opt) ((o) |= BTRFS_MOUNT_##opt)
+ #define btrfs_test_opt(root, opt) ((root)->fs_info->mount_opt & \
+@@ -1762,6 +1767,7 @@ BTRFS_SETGET_FUNCS(inode_block_group, st
+ BTRFS_SETGET_FUNCS(inode_nlink, struct btrfs_inode_item, nlink, 32);
+ BTRFS_SETGET_FUNCS(inode_uid, struct btrfs_inode_item, uid, 32);
+ BTRFS_SETGET_FUNCS(inode_gid, struct btrfs_inode_item, gid, 32);
++BTRFS_SETGET_FUNCS(inode_tag, struct btrfs_inode_item, tag, 16);
+ BTRFS_SETGET_FUNCS(inode_mode, struct btrfs_inode_item, mode, 32);
+ BTRFS_SETGET_FUNCS(inode_rdev, struct btrfs_inode_item, rdev, 64);
+ BTRFS_SETGET_FUNCS(inode_flags, struct btrfs_inode_item, flags, 64);
+@@ -1815,6 +1821,10 @@ BTRFS_SETGET_FUNCS(extent_flags, struct
+
+ BTRFS_SETGET_FUNCS(extent_refs_v0, struct btrfs_extent_item_v0, refs, 32);
+
++#define BTRFS_INODE_IXUNLINK (1 << 24)
++#define BTRFS_INODE_BARRIER (1 << 25)
++#define BTRFS_INODE_COW (1 << 26)
++
+
+ BTRFS_SETGET_FUNCS(tree_block_level, struct btrfs_tree_block_info, level, 8);
+
+@@ -2959,6 +2969,7 @@ extern const struct dentry_operations bt
+ long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+ void btrfs_update_iflags(struct inode *inode);
+ void btrfs_inherit_iflags(struct inode *inode, struct inode *dir);
++int btrfs_sync_flags(struct inode *inode, int, int);
+ int btrfs_defrag_file(struct inode *inode, struct file *file,
+ struct btrfs_ioctl_defrag_range_args *range,
+ u64 newer_than, unsigned long max_pages);
+diff -NurpP --minimal linux-3.4.45/fs/btrfs/disk-io.c linux-3.4.45-vs2.3.3.9/fs/btrfs/disk-io.c
+--- linux-3.4.45/fs/btrfs/disk-io.c 2012-05-21 16:07:18.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/btrfs/disk-io.c 2012-05-21 16:15:04.000000000 +0000
+@@ -2083,6 +2083,9 @@ int open_ctree(struct super_block *sb,
+ goto fail_alloc;
+ }
+
++ if (btrfs_test_opt(tree_root, TAGGED))
++ sb->s_flags |= MS_TAGGED;
++
+ features = btrfs_super_incompat_flags(disk_super) &
+ ~BTRFS_FEATURE_INCOMPAT_SUPP;
+ if (features) {
+diff -NurpP --minimal linux-3.4.45/fs/btrfs/inode.c linux-3.4.45-vs2.3.3.9/fs/btrfs/inode.c
+--- linux-3.4.45/fs/btrfs/inode.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/btrfs/inode.c 2013-05-13 18:16:08.000000000 +0000
+@@ -39,6 +39,7 @@
+ #include <linux/slab.h>
+ #include <linux/ratelimit.h>
+ #include <linux/mount.h>
++#include <linux/vs_tag.h>
+ #include "compat.h"
+ #include "ctree.h"
+ #include "disk-io.h"
+@@ -2482,6 +2483,8 @@ static void btrfs_read_locked_inode(stru
+ struct btrfs_key location;
+ int maybe_acls;
+ u32 rdev;
++ uid_t uid;
++ gid_t gid;
+ int ret;
+ bool filled = false;
+
+@@ -2509,8 +2512,13 @@ static void btrfs_read_locked_inode(stru
+ struct btrfs_inode_item);
+ inode->i_mode = btrfs_inode_mode(leaf, inode_item);
+ set_nlink(inode, btrfs_inode_nlink(leaf, inode_item));
+- inode->i_uid = btrfs_inode_uid(leaf, inode_item);
+- inode->i_gid = btrfs_inode_gid(leaf, inode_item);
++
++ uid = btrfs_inode_uid(leaf, inode_item);
++ gid = btrfs_inode_gid(leaf, inode_item);
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
++ btrfs_inode_tag(leaf, inode_item));
+ btrfs_i_size_write(inode, btrfs_inode_size(leaf, inode_item));
+
+ tspec = btrfs_inode_atime(inode_item);
+@@ -2588,8 +2596,14 @@ static void fill_inode_item(struct btrfs
+ struct btrfs_inode_item *item,
+ struct inode *inode)
+ {
+- btrfs_set_inode_uid(leaf, item, inode->i_uid);
+- btrfs_set_inode_gid(leaf, item, inode->i_gid);
++ uid_t uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
++ gid_t gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
++
++ btrfs_set_inode_uid(leaf, item, uid);
++ btrfs_set_inode_gid(leaf, item, gid);
++#ifdef CONFIG_TAGGING_INTERN
++ btrfs_set_inode_tag(leaf, item, inode->i_tag);
++#endif
+ btrfs_set_inode_size(leaf, item, BTRFS_I(inode)->disk_i_size);
+ btrfs_set_inode_mode(leaf, item, inode->i_mode);
+ btrfs_set_inode_nlink(leaf, item, inode->i_nlink);
+@@ -7590,11 +7604,13 @@ static const struct inode_operations btr
+ .listxattr = btrfs_listxattr,
+ .removexattr = btrfs_removexattr,
+ .permission = btrfs_permission,
++ .sync_flags = btrfs_sync_flags,
+ .get_acl = btrfs_get_acl,
+ };
+ static const struct inode_operations btrfs_dir_ro_inode_operations = {
+ .lookup = btrfs_lookup,
+ .permission = btrfs_permission,
++ .sync_flags = btrfs_sync_flags,
+ .get_acl = btrfs_get_acl,
+ };
+
+diff -NurpP --minimal linux-3.4.45/fs/btrfs/ioctl.c linux-3.4.45-vs2.3.3.9/fs/btrfs/ioctl.c
+--- linux-3.4.45/fs/btrfs/ioctl.c 2012-05-21 16:07:19.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/btrfs/ioctl.c 2012-05-21 16:15:04.000000000 +0000
+@@ -71,10 +71,13 @@ static unsigned int btrfs_flags_to_ioctl
+ {
+ unsigned int iflags = 0;
+
+- if (flags & BTRFS_INODE_SYNC)
+- iflags |= FS_SYNC_FL;
+ if (flags & BTRFS_INODE_IMMUTABLE)
+ iflags |= FS_IMMUTABLE_FL;
++ if (flags & BTRFS_INODE_IXUNLINK)
++ iflags |= FS_IXUNLINK_FL;
++
++ if (flags & BTRFS_INODE_SYNC)
++ iflags |= FS_SYNC_FL;
+ if (flags & BTRFS_INODE_APPEND)
+ iflags |= FS_APPEND_FL;
+ if (flags & BTRFS_INODE_NODUMP)
+@@ -91,28 +94,78 @@ static unsigned int btrfs_flags_to_ioctl
+ else if (flags & BTRFS_INODE_NOCOMPRESS)
+ iflags |= FS_NOCOMP_FL;
+
++ if (flags & BTRFS_INODE_BARRIER)
++ iflags |= FS_BARRIER_FL;
++ if (flags & BTRFS_INODE_COW)
++ iflags |= FS_COW_FL;
+ return iflags;
+ }
+
+ /*
+- * Update inode->i_flags based on the btrfs internal flags.
++ * Update inode->i_(v)flags based on the btrfs internal flags.
+ */
+ void btrfs_update_iflags(struct inode *inode)
+ {
+ struct btrfs_inode *ip = BTRFS_I(inode);
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
+- if (ip->flags & BTRFS_INODE_SYNC)
+- inode->i_flags |= S_SYNC;
+ if (ip->flags & BTRFS_INODE_IMMUTABLE)
+ inode->i_flags |= S_IMMUTABLE;
++ if (ip->flags & BTRFS_INODE_IXUNLINK)
++ inode->i_flags |= S_IXUNLINK;
++
++ if (ip->flags & BTRFS_INODE_SYNC)
++ inode->i_flags |= S_SYNC;
+ if (ip->flags & BTRFS_INODE_APPEND)
+ inode->i_flags |= S_APPEND;
+ if (ip->flags & BTRFS_INODE_NOATIME)
+ inode->i_flags |= S_NOATIME;
+ if (ip->flags & BTRFS_INODE_DIRSYNC)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (ip->flags & BTRFS_INODE_BARRIER)
++ inode->i_vflags |= V_BARRIER;
++ if (ip->flags & BTRFS_INODE_COW)
++ inode->i_vflags |= V_COW;
++}
++
++/*
++ * Update btrfs internal flags from inode->i_(v)flags.
++ */
++void btrfs_update_flags(struct inode *inode)
++{
++ struct btrfs_inode *ip = BTRFS_I(inode);
++
++ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ ip->flags &= ~(BTRFS_INODE_SYNC | BTRFS_INODE_APPEND |
++ BTRFS_INODE_IMMUTABLE | BTRFS_INODE_IXUNLINK |
++ BTRFS_INODE_NOATIME | BTRFS_INODE_DIRSYNC |
++ BTRFS_INODE_BARRIER | BTRFS_INODE_COW);
++
++ if (flags & S_IMMUTABLE)
++ ip->flags |= BTRFS_INODE_IMMUTABLE;
++ if (flags & S_IXUNLINK)
++ ip->flags |= BTRFS_INODE_IXUNLINK;
++
++ if (flags & S_SYNC)
++ ip->flags |= BTRFS_INODE_SYNC;
++ if (flags & S_APPEND)
++ ip->flags |= BTRFS_INODE_APPEND;
++ if (flags & S_NOATIME)
++ ip->flags |= BTRFS_INODE_NOATIME;
++ if (flags & S_DIRSYNC)
++ ip->flags |= BTRFS_INODE_DIRSYNC;
++
++ if (vflags & V_BARRIER)
++ ip->flags |= BTRFS_INODE_BARRIER;
++ if (vflags & V_COW)
++ ip->flags |= BTRFS_INODE_COW;
+ }
+
+ /*
+@@ -128,6 +181,7 @@ void btrfs_inherit_iflags(struct inode *
+ return;
+
+ flags = BTRFS_I(dir)->flags;
++ flags &= ~BTRFS_INODE_BARRIER;
+
+ if (flags & BTRFS_INODE_NOCOMPRESS) {
+ BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS;
+@@ -143,6 +197,30 @@ void btrfs_inherit_iflags(struct inode *
+ btrfs_update_iflags(inode);
+ }
+
++int btrfs_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ struct btrfs_inode *ip = BTRFS_I(inode);
++ struct btrfs_root *root = ip->root;
++ struct btrfs_trans_handle *trans;
++ int ret;
++
++ trans = btrfs_join_transaction(root);
++ BUG_ON(!trans);
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ btrfs_update_flags(inode);
++
++ ret = btrfs_update_inode(trans, root, inode);
++ BUG_ON(ret);
++
++ btrfs_update_iflags(inode);
++ inode->i_ctime = CURRENT_TIME;
++ btrfs_end_transaction(trans, root);
++
++ return 0;
++}
++
+ static int btrfs_ioctl_getflags(struct file *file, void __user *arg)
+ {
+ struct btrfs_inode *ip = BTRFS_I(file->f_path.dentry->d_inode);
+@@ -199,7 +277,8 @@ static int btrfs_ioctl_setflags(struct f
+
+ flags = btrfs_mask_flags(inode->i_mode, flags);
+ oldflags = btrfs_flags_to_ioctl(ip->flags);
+- if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL)) {
++ if ((flags ^ oldflags) & (FS_APPEND_FL |
++ FS_IMMUTABLE_FL | FS_IXUNLINK_FL)) {
+ if (!capable(CAP_LINUX_IMMUTABLE)) {
+ ret = -EPERM;
+ goto out_unlock;
+@@ -210,14 +289,19 @@ static int btrfs_ioctl_setflags(struct f
+ if (ret)
+ goto out_unlock;
+
+- if (flags & FS_SYNC_FL)
+- ip->flags |= BTRFS_INODE_SYNC;
+- else
+- ip->flags &= ~BTRFS_INODE_SYNC;
+ if (flags & FS_IMMUTABLE_FL)
+ ip->flags |= BTRFS_INODE_IMMUTABLE;
+ else
+ ip->flags &= ~BTRFS_INODE_IMMUTABLE;
++ if (flags & FS_IXUNLINK_FL)
++ ip->flags |= BTRFS_INODE_IXUNLINK;
++ else
++ ip->flags &= ~BTRFS_INODE_IXUNLINK;
++
++ if (flags & FS_SYNC_FL)
++ ip->flags |= BTRFS_INODE_SYNC;
++ else
++ ip->flags &= ~BTRFS_INODE_SYNC;
+ if (flags & FS_APPEND_FL)
+ ip->flags |= BTRFS_INODE_APPEND;
+ else
+diff -NurpP --minimal linux-3.4.45/fs/btrfs/super.c linux-3.4.45-vs2.3.3.9/fs/btrfs/super.c
+--- linux-3.4.45/fs/btrfs/super.c 2012-05-21 16:07:19.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/btrfs/super.c 2012-05-21 16:15:04.000000000 +0000
+@@ -279,7 +279,7 @@ enum {
+ Opt_no_space_cache, Opt_recovery, Opt_skip_balance,
+ Opt_check_integrity, Opt_check_integrity_including_extent_data,
+ Opt_check_integrity_print_mask, Opt_fatal_errors,
+- Opt_err,
++ Opt_tag, Opt_notag, Opt_tagid, Opt_err,
+ };
+
+ static match_table_t tokens = {
+@@ -319,6 +319,9 @@ static match_table_t tokens = {
+ {Opt_check_integrity_including_extent_data, "check_int_data"},
+ {Opt_check_integrity_print_mask, "check_int_print_mask=%d"},
+ {Opt_fatal_errors, "fatal_errors=%s"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL},
+ };
+
+@@ -564,6 +567,22 @@ int btrfs_parse_options(struct btrfs_roo
+ goto out;
+ }
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ printk(KERN_INFO "btrfs: use tagging\n");
++ btrfs_set_opt(info->mount_opt, TAGGED);
++ break;
++ case Opt_notag:
++ printk(KERN_INFO "btrfs: disabled tagging\n");
++ btrfs_clear_opt(info->mount_opt, TAGGED);
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ btrfs_set_opt(info->mount_opt, TAGGED);
++ break;
++#endif
+ case Opt_err:
+ printk(KERN_INFO "btrfs: unrecognized mount option "
+ "'%s'\n", p);
+@@ -1137,6 +1156,12 @@ static int btrfs_remount(struct super_bl
+ goto restore;
+ }
+
++ if (btrfs_test_opt(root, TAGGED) && !(sb->s_flags & MS_TAGGED)) {
++ printk("btrfs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ return -EINVAL;
++ }
++
+ if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
+ return 0;
+
+diff -NurpP --minimal linux-3.4.45/fs/char_dev.c linux-3.4.45-vs2.3.3.9/fs/char_dev.c
+--- linux-3.4.45/fs/char_dev.c 2012-03-19 18:47:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/char_dev.c 2012-05-21 16:15:04.000000000 +0000
+@@ -21,6 +21,8 @@
+ #include <linux/mutex.h>
+ #include <linux/backing-dev.h>
+ #include <linux/tty.h>
++#include <linux/vs_context.h>
++#include <linux/vs_device.h>
+
+ #include "internal.h"
+
+@@ -371,14 +373,21 @@ static int chrdev_open(struct inode *ino
+ struct cdev *p;
+ struct cdev *new = NULL;
+ int ret = 0;
++ dev_t mdev;
++
++ if (!vs_map_chrdev(inode->i_rdev, &mdev, DATTR_OPEN))
++ return -EPERM;
++ inode->i_mdev = mdev;
+
+ spin_lock(&cdev_lock);
+ p = inode->i_cdev;
+ if (!p) {
+ struct kobject *kobj;
+ int idx;
++
+ spin_unlock(&cdev_lock);
+- kobj = kobj_lookup(cdev_map, inode->i_rdev, &idx);
++
++ kobj = kobj_lookup(cdev_map, mdev, &idx);
+ if (!kobj)
+ return -ENXIO;
+ new = container_of(kobj, struct cdev, kobj);
+diff -NurpP --minimal linux-3.4.45/fs/dcache.c linux-3.4.45-vs2.3.3.9/fs/dcache.c
+--- linux-3.4.45/fs/dcache.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/dcache.c 2013-05-13 18:16:08.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/rculist_bl.h>
+ #include <linux/prefetch.h>
+ #include <linux/ratelimit.h>
++#include <linux/vs_limit.h>
+ #include "internal.h"
+ #include "mount.h"
+
+@@ -601,6 +602,8 @@ int d_invalidate(struct dentry * dentry)
+ spin_lock(&dentry->d_lock);
+ }
+
++ vx_dentry_dec(dentry);
++
+ /*
+ * Somebody else still using it?
+ *
+@@ -630,6 +633,7 @@ EXPORT_SYMBOL(d_invalidate);
+ static inline void __dget_dlock(struct dentry *dentry)
+ {
+ dentry->d_count++;
++ vx_dentry_inc(dentry);
+ }
+
+ static inline void __dget(struct dentry *dentry)
+@@ -1260,6 +1264,9 @@ struct dentry *__d_alloc(struct super_bl
+ struct dentry *dentry;
+ char *dname;
+
++ if (!vx_dentry_avail(1))
++ return NULL;
++
+ dentry = kmem_cache_alloc(dentry_cache, GFP_KERNEL);
+ if (!dentry)
+ return NULL;
+@@ -1282,6 +1289,7 @@ struct dentry *__d_alloc(struct super_bl
+
+ dentry->d_count = 1;
+ dentry->d_flags = 0;
++ vx_dentry_inc(dentry);
+ spin_lock_init(&dentry->d_lock);
+ seqcount_init(&dentry->d_seq);
+ dentry->d_inode = NULL;
+@@ -1943,6 +1951,7 @@ struct dentry *__d_lookup(struct dentry
+ }
+
+ dentry->d_count++;
++ vx_dentry_inc(dentry);
+ found = dentry;
+ spin_unlock(&dentry->d_lock);
+ break;
+diff -NurpP --minimal linux-3.4.45/fs/devpts/inode.c linux-3.4.45-vs2.3.3.9/fs/devpts/inode.c
+--- linux-3.4.45/fs/devpts/inode.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/devpts/inode.c 2012-05-21 16:15:04.000000000 +0000
+@@ -25,6 +25,7 @@
+ #include <linux/parser.h>
+ #include <linux/fsnotify.h>
+ #include <linux/seq_file.h>
++#include <linux/vs_base.h>
+
+ #define DEVPTS_DEFAULT_MODE 0600
+ /*
+@@ -36,6 +37,21 @@
+ #define DEVPTS_DEFAULT_PTMX_MODE 0000
+ #define PTMX_MINOR 2
+
++static int devpts_permission(struct inode *inode, int mask)
++{
++ int ret = -EACCES;
++
++ /* devpts is xid tagged */
++ if (vx_check((xid_t)inode->i_tag, VS_WATCH_P | VS_IDENT))
++ ret = generic_permission(inode, mask);
++ return ret;
++}
++
++static struct inode_operations devpts_file_inode_operations = {
++ .permission = devpts_permission,
++};
++
++
+ /*
+ * sysctl support for setting limits on the number of Unix98 ptys allocated.
+ * Otherwise one can eat up all kernel memory by opening /dev/ptmx repeatedly.
+@@ -328,6 +344,34 @@ static int devpts_show_options(struct se
+ return 0;
+ }
+
++static int devpts_filter(struct dentry *de)
++{
++ xid_t xid = 0;
++
++ /* devpts is xid tagged */
++ if (de && de->d_inode)
++ xid = (xid_t)de->d_inode->i_tag;
++#ifdef CONFIG_VSERVER_WARN_DEVPTS
++ else
++ vxwprintk_task(1, "devpts " VS_Q("%.*s") " without inode.",
++ de->d_name.len, de->d_name.name);
++#endif
++ return vx_check(xid, VS_WATCH_P | VS_IDENT);
++}
++
++static int devpts_readdir(struct file * filp, void * dirent, filldir_t filldir)
++{
++ return dcache_readdir_filter(filp, dirent, filldir, devpts_filter);
++}
++
++static struct file_operations devpts_dir_operations = {
++ .open = dcache_dir_open,
++ .release = dcache_dir_close,
++ .llseek = dcache_dir_lseek,
++ .read = generic_read_dir,
++ .readdir = devpts_readdir,
++};
++
+ static const struct super_operations devpts_sops = {
+ .statfs = simple_statfs,
+ .remount_fs = devpts_remount,
+@@ -371,8 +415,10 @@ devpts_fill_super(struct super_block *s,
+ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+ inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
+ inode->i_op = &simple_dir_inode_operations;
+- inode->i_fop = &simple_dir_operations;
++ inode->i_fop = &devpts_dir_operations;
+ set_nlink(inode, 2);
++ /* devpts is xid tagged */
++ inode->i_tag = (tag_t)vx_current_xid();
+
+ s->s_root = d_make_root(inode);
+ if (s->s_root)
+@@ -564,6 +610,9 @@ int devpts_pty_new(struct inode *ptmx_in
+ inode->i_gid = opts->setgid ? opts->gid : current_fsgid();
+ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+ init_special_inode(inode, S_IFCHR|opts->mode, device);
++ /* devpts is xid tagged */
++ inode->i_tag = (tag_t)vx_current_xid();
++ inode->i_op = &devpts_file_inode_operations;
+ inode->i_private = tty;
+ tty->driver_data = inode;
+
+diff -NurpP --minimal linux-3.4.45/fs/ext2/balloc.c linux-3.4.45-vs2.3.3.9/fs/ext2/balloc.c
+--- linux-3.4.45/fs/ext2/balloc.c 2012-01-09 15:14:54.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext2/balloc.c 2012-05-21 16:15:04.000000000 +0000
+@@ -701,7 +701,6 @@ ext2_try_to_allocate(struct super_block
+ start = 0;
+ end = EXT2_BLOCKS_PER_GROUP(sb);
+ }
+-
+ BUG_ON(start > EXT2_BLOCKS_PER_GROUP(sb));
+
+ repeat:
+diff -NurpP --minimal linux-3.4.45/fs/ext2/ext2.h linux-3.4.45-vs2.3.3.9/fs/ext2/ext2.h
+--- linux-3.4.45/fs/ext2/ext2.h 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext2/ext2.h 2012-05-21 16:15:05.000000000 +0000
+@@ -244,8 +244,12 @@ struct ext2_group_desc
+ #define EXT2_NOTAIL_FL FS_NOTAIL_FL /* file tail should not be merged */
+ #define EXT2_DIRSYNC_FL FS_DIRSYNC_FL /* dirsync behaviour (directories only) */
+ #define EXT2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
++#define EXT2_IXUNLINK_FL FS_IXUNLINK_FL /* Immutable invert on unlink */
+ #define EXT2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
+
++#define EXT2_BARRIER_FL FS_BARRIER_FL /* Barrier for chroot() */
++#define EXT2_COW_FL FS_COW_FL /* Copy on Write marker */
++
+ #define EXT2_FL_USER_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
+ #define EXT2_FL_USER_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
+
+@@ -329,7 +333,8 @@ struct ext2_inode {
+ __u16 i_pad1;
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+- __u32 l_i_reserved2;
++ __le16 l_i_tag; /* Context Tag */
++ __u16 l_i_reserved2;
+ } linux2;
+ struct {
+ __u8 h_i_frag; /* Fragment number */
+@@ -357,6 +362,7 @@ struct ext2_inode {
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_reserved2 osd2.linux2.l_i_reserved2
+
+ /*
+@@ -384,6 +390,7 @@ struct ext2_inode {
+ #define EXT2_MOUNT_USRQUOTA 0x020000 /* user quota */
+ #define EXT2_MOUNT_GRPQUOTA 0x040000 /* group quota */
+ #define EXT2_MOUNT_RESERVATION 0x080000 /* Preallocation */
++#define EXT2_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
+
+
+ #define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt
+@@ -757,6 +764,7 @@ extern void ext2_set_inode_flags(struct
+ extern void ext2_get_inode_flags(struct ext2_inode_info *);
+ extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ u64 start, u64 len);
++extern int ext2_sync_flags(struct inode *, int, int);
+
+ /* ioctl.c */
+ extern long ext2_ioctl(struct file *, unsigned int, unsigned long);
+diff -NurpP --minimal linux-3.4.45/fs/ext2/file.c linux-3.4.45-vs2.3.3.9/fs/ext2/file.c
+--- linux-3.4.45/fs/ext2/file.c 2011-10-24 16:45:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext2/file.c 2012-05-21 16:15:05.000000000 +0000
+@@ -104,4 +104,5 @@ const struct inode_operations ext2_file_
+ .setattr = ext2_setattr,
+ .get_acl = ext2_get_acl,
+ .fiemap = ext2_fiemap,
++ .sync_flags = ext2_sync_flags,
+ };
+diff -NurpP --minimal linux-3.4.45/fs/ext2/ialloc.c linux-3.4.45-vs2.3.3.9/fs/ext2/ialloc.c
+--- linux-3.4.45/fs/ext2/ialloc.c 2012-03-19 18:47:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext2/ialloc.c 2012-05-21 16:15:05.000000000 +0000
+@@ -17,6 +17,7 @@
+ #include <linux/backing-dev.h>
+ #include <linux/buffer_head.h>
+ #include <linux/random.h>
++#include <linux/vs_tag.h>
+ #include "ext2.h"
+ #include "xattr.h"
+ #include "acl.h"
+@@ -549,6 +550,7 @@ got:
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ inode->i_tag = dx_current_fstag(sb);
+ } else
+ inode_init_owner(inode, dir, mode);
+
+diff -NurpP --minimal linux-3.4.45/fs/ext2/inode.c linux-3.4.45-vs2.3.3.9/fs/ext2/inode.c
+--- linux-3.4.45/fs/ext2/inode.c 2012-03-19 18:47:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext2/inode.c 2012-05-21 16:15:05.000000000 +0000
+@@ -31,6 +31,7 @@
+ #include <linux/mpage.h>
+ #include <linux/fiemap.h>
+ #include <linux/namei.h>
++#include <linux/vs_tag.h>
+ #include "ext2.h"
+ #include "acl.h"
+ #include "xip.h"
+@@ -1162,7 +1163,7 @@ static void ext2_truncate_blocks(struct
+ return;
+ if (ext2_inode_is_fast_symlink(inode))
+ return;
+- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
++ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
+ return;
+ __ext2_truncate_blocks(inode, offset);
+ }
+@@ -1253,36 +1254,61 @@ void ext2_set_inode_flags(struct inode *
+ {
+ unsigned int flags = EXT2_I(inode)->i_flags;
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
++
++
++ if (flags & EXT2_IMMUTABLE_FL)
++ inode->i_flags |= S_IMMUTABLE;
++ if (flags & EXT2_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
+ if (flags & EXT2_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+ if (flags & EXT2_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+- if (flags & EXT2_IMMUTABLE_FL)
+- inode->i_flags |= S_IMMUTABLE;
+ if (flags & EXT2_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & EXT2_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & EXT2_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & EXT2_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to EXT2_I(inode)->i_flags */
+ void ext2_get_inode_flags(struct ext2_inode_info *ei)
+ {
+ unsigned int flags = ei->vfs_inode.i_flags;
++ unsigned int vflags = ei->vfs_inode.i_vflags;
++
++ ei->i_flags &= ~(EXT2_SYNC_FL | EXT2_APPEND_FL |
++ EXT2_IMMUTABLE_FL | EXT2_IXUNLINK_FL |
++ EXT2_NOATIME_FL | EXT2_DIRSYNC_FL |
++ EXT2_BARRIER_FL | EXT2_COW_FL);
++
++ if (flags & S_IMMUTABLE)
++ ei->i_flags |= EXT2_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ ei->i_flags |= EXT2_IXUNLINK_FL;
+
+- ei->i_flags &= ~(EXT2_SYNC_FL|EXT2_APPEND_FL|
+- EXT2_IMMUTABLE_FL|EXT2_NOATIME_FL|EXT2_DIRSYNC_FL);
+ if (flags & S_SYNC)
+ ei->i_flags |= EXT2_SYNC_FL;
+ if (flags & S_APPEND)
+ ei->i_flags |= EXT2_APPEND_FL;
+- if (flags & S_IMMUTABLE)
+- ei->i_flags |= EXT2_IMMUTABLE_FL;
+ if (flags & S_NOATIME)
+ ei->i_flags |= EXT2_NOATIME_FL;
+ if (flags & S_DIRSYNC)
+ ei->i_flags |= EXT2_DIRSYNC_FL;
++
++ if (vflags & V_BARRIER)
++ ei->i_flags |= EXT2_BARRIER_FL;
++ if (vflags & V_COW)
++ ei->i_flags |= EXT2_COW_FL;
+ }
+
+ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
+@@ -1292,6 +1318,8 @@ struct inode *ext2_iget (struct super_bl
+ struct ext2_inode *raw_inode;
+ struct inode *inode;
+ long ret = -EIO;
++ uid_t uid;
++ gid_t gid;
+ int n;
+
+ inode = iget_locked(sb, ino);
+@@ -1310,12 +1338,16 @@ struct inode *ext2_iget (struct super_bl
+ }
+
+ inode->i_mode = le16_to_cpu(raw_inode->i_mode);
+- inode->i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
+- inode->i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
++ uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
++ gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
+ if (!(test_opt (inode->i_sb, NO_UID32))) {
+- inode->i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+- inode->i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
++ uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
++ gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+ }
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
++ le16_to_cpu(raw_inode->i_raw_tag));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
+ inode->i_size = le32_to_cpu(raw_inode->i_size);
+ inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
+@@ -1413,8 +1445,8 @@ static int __ext2_write_inode(struct ino
+ struct ext2_inode_info *ei = EXT2_I(inode);
+ struct super_block *sb = inode->i_sb;
+ ino_t ino = inode->i_ino;
+- uid_t uid = inode->i_uid;
+- gid_t gid = inode->i_gid;
++ uid_t uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
++ gid_t gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
+ struct buffer_head * bh;
+ struct ext2_inode * raw_inode = ext2_get_inode(sb, ino, &bh);
+ int n;
+@@ -1450,6 +1482,9 @@ static int __ext2_write_inode(struct ino
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ }
++#ifdef CONFIG_TAGGING_INTERN
++ raw_inode->i_raw_tag = cpu_to_le16(inode->i_tag);
++#endif
+ raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
+ raw_inode->i_size = cpu_to_le32(inode->i_size);
+ raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec);
+@@ -1530,7 +1565,8 @@ int ext2_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, iattr))
+ dquot_initialize(inode);
+ if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
+- (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
++ (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid) ||
++ (iattr->ia_valid & ATTR_TAG && iattr->ia_tag != inode->i_tag)) {
+ error = dquot_transfer(inode, iattr);
+ if (error)
+ return error;
+diff -NurpP --minimal linux-3.4.45/fs/ext2/ioctl.c linux-3.4.45-vs2.3.3.9/fs/ext2/ioctl.c
+--- linux-3.4.45/fs/ext2/ioctl.c 2012-03-19 18:47:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext2/ioctl.c 2012-05-21 16:15:05.000000000 +0000
+@@ -17,6 +17,16 @@
+ #include <asm/uaccess.h>
+
+
++int ext2_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext2_get_inode_flags(EXT2_I(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++ mark_inode_dirty(inode);
++ return 0;
++}
++
+ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -51,6 +61,11 @@ long ext2_ioctl(struct file *filp, unsig
+
+ flags = ext2_mask_flags(inode->i_mode, flags);
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ mutex_lock(&inode->i_mutex);
+ /* Is it quota file? Do not allow user to mess with it */
+ if (IS_NOQUOTA(inode)) {
+@@ -66,7 +81,9 @@ long ext2_ioctl(struct file *filp, unsig
+ *
+ * This test looks nicer. Thanks to Pauline Middelink
+ */
+- if ((flags ^ oldflags) & (EXT2_APPEND_FL | EXT2_IMMUTABLE_FL)) {
++ if ((oldflags & EXT2_IMMUTABLE_FL) ||
++ ((flags ^ oldflags) & (EXT2_APPEND_FL |
++ EXT2_IMMUTABLE_FL | EXT2_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE)) {
+ mutex_unlock(&inode->i_mutex);
+ ret = -EPERM;
+@@ -74,7 +91,7 @@ long ext2_ioctl(struct file *filp, unsig
+ }
+ }
+
+- flags = flags & EXT2_FL_USER_MODIFIABLE;
++ flags &= EXT2_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~EXT2_FL_USER_MODIFIABLE;
+ ei->i_flags = flags;
+
+diff -NurpP --minimal linux-3.4.45/fs/ext2/namei.c linux-3.4.45-vs2.3.3.9/fs/ext2/namei.c
+--- linux-3.4.45/fs/ext2/namei.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext2/namei.c 2012-05-21 16:15:05.000000000 +0000
+@@ -32,6 +32,7 @@
+
+ #include <linux/pagemap.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+ #include "ext2.h"
+ #include "xattr.h"
+ #include "acl.h"
+@@ -73,6 +74,7 @@ static struct dentry *ext2_lookup(struct
+ (unsigned long) ino);
+ return ERR_PTR(-EIO);
+ }
++ dx_propagate_tag(nd, inode);
+ }
+ return d_splice_alias(inode, dentry);
+ }
+@@ -397,6 +399,7 @@ const struct inode_operations ext2_dir_i
+ .removexattr = generic_removexattr,
+ #endif
+ .setattr = ext2_setattr,
++ .sync_flags = ext2_sync_flags,
+ .get_acl = ext2_get_acl,
+ };
+
+diff -NurpP --minimal linux-3.4.45/fs/ext2/super.c linux-3.4.45-vs2.3.3.9/fs/ext2/super.c
+--- linux-3.4.45/fs/ext2/super.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext2/super.c 2012-05-21 16:15:05.000000000 +0000
+@@ -393,7 +393,8 @@ enum {
+ Opt_err_ro, Opt_nouid32, Opt_nocheck, Opt_debug,
+ Opt_oldalloc, Opt_orlov, Opt_nobh, Opt_user_xattr, Opt_nouser_xattr,
+ Opt_acl, Opt_noacl, Opt_xip, Opt_ignore, Opt_err, Opt_quota,
+- Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation
++ Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation,
++ Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -421,6 +422,9 @@ static const match_table_t tokens = {
+ {Opt_acl, "acl"},
+ {Opt_noacl, "noacl"},
+ {Opt_xip, "xip"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_grpquota, "grpquota"},
+ {Opt_ignore, "noquota"},
+ {Opt_quota, "quota"},
+@@ -491,6 +495,20 @@ static int parse_options(char *options,
+ case Opt_nouid32:
+ set_opt (sbi->s_mount_opt, NO_UID32);
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++ case Opt_notag:
++ clear_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
+ case Opt_nocheck:
+ clear_opt (sbi->s_mount_opt, CHECK);
+ break;
+@@ -849,6 +867,8 @@ static int ext2_fill_super(struct super_
+ if (!parse_options((char *) data, sb))
+ goto failed_mount;
+
++ if (EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ ((EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ?
+ MS_POSIXACL : 0);
+@@ -1222,6 +1242,14 @@ static int ext2_remount (struct super_bl
+ err = -EINVAL;
+ goto restore_opts;
+ }
++
++ if ((sbi->s_mount_opt & EXT2_MOUNT_TAGGED) &&
++ !(sb->s_flags & MS_TAGGED)) {
++ printk("EXT2-fs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ err = -EINVAL;
++ goto restore_opts;
++ }
+
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ ((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+diff -NurpP --minimal linux-3.4.45/fs/ext3/ext3.h linux-3.4.45-vs2.3.3.9/fs/ext3/ext3.h
+--- linux-3.4.45/fs/ext3/ext3.h 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext3/ext3.h 2012-05-21 17:13:31.000000000 +0000
+@@ -151,10 +151,14 @@ struct ext3_group_desc
+ #define EXT3_NOTAIL_FL 0x00008000 /* file tail should not be merged */
+ #define EXT3_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
+ #define EXT3_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
++#define EXT3_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define EXT3_RESERVED_FL 0x80000000 /* reserved for ext3 lib */
+
+-#define EXT3_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
+-#define EXT3_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
++#define EXT3_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define EXT3_COW_FL 0x20000000 /* Copy on Write marker */
++
++#define EXT3_FL_USER_VISIBLE 0x0103DFFF /* User visible flags */
++#define EXT3_FL_USER_MODIFIABLE 0x010380FF /* User modifiable flags */
+
+ /* Flags that should be inherited by new inodes from their parent. */
+ #define EXT3_FL_INHERITED (EXT3_SECRM_FL | EXT3_UNRM_FL | EXT3_COMPR_FL |\
+@@ -290,7 +294,8 @@ struct ext3_inode {
+ __u16 i_pad1;
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+- __u32 l_i_reserved2;
++ __le16 l_i_tag; /* Context Tag */
++ __u16 l_i_reserved2;
+ } linux2;
+ struct {
+ __u8 h_i_frag; /* Fragment number */
+@@ -320,6 +325,7 @@ struct ext3_inode {
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_reserved2 osd2.linux2.l_i_reserved2
+
+ /*
+@@ -364,6 +370,7 @@ struct ext3_inode {
+ #define EXT3_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
+ #define EXT3_MOUNT_DATA_ERR_ABORT 0x400000 /* Abort on file data write
+ * error in ordered mode */
++#define EXT3_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
+
+ /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
+ #ifndef _LINUX_EXT2_FS_H
+@@ -1057,6 +1064,7 @@ extern void ext3_get_inode_flags(struct
+ extern void ext3_set_aops(struct inode *inode);
+ extern int ext3_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ u64 start, u64 len);
++extern int ext3_sync_flags(struct inode *, int, int);
+
+ /* ioctl.c */
+ extern long ext3_ioctl(struct file *, unsigned int, unsigned long);
+diff -NurpP --minimal linux-3.4.45/fs/ext3/file.c linux-3.4.45-vs2.3.3.9/fs/ext3/file.c
+--- linux-3.4.45/fs/ext3/file.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext3/file.c 2012-05-21 16:15:05.000000000 +0000
+@@ -76,5 +76,6 @@ const struct inode_operations ext3_file_
+ #endif
+ .get_acl = ext3_get_acl,
+ .fiemap = ext3_fiemap,
++ .sync_flags = ext3_sync_flags,
+ };
+
+diff -NurpP --minimal linux-3.4.45/fs/ext3/ialloc.c linux-3.4.45-vs2.3.3.9/fs/ext3/ialloc.c
+--- linux-3.4.45/fs/ext3/ialloc.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext3/ialloc.c 2012-05-21 16:15:05.000000000 +0000
+@@ -14,6 +14,7 @@
+
+ #include <linux/quotaops.h>
+ #include <linux/random.h>
++#include <linux/vs_tag.h>
+
+ #include "ext3.h"
+ #include "xattr.h"
+@@ -485,6 +486,7 @@ got:
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ inode->i_tag = dx_current_fstag(sb);
+ } else
+ inode_init_owner(inode, dir, mode);
+
+diff -NurpP --minimal linux-3.4.45/fs/ext3/inode.c linux-3.4.45-vs2.3.3.9/fs/ext3/inode.c
+--- linux-3.4.45/fs/ext3/inode.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext3/inode.c 2012-09-16 18:49:11.000000000 +0000
+@@ -27,6 +27,8 @@
+ #include <linux/writeback.h>
+ #include <linux/mpage.h>
+ #include <linux/namei.h>
++#include <linux/vs_tag.h>
++
+ #include "ext3.h"
+ #include "xattr.h"
+ #include "acl.h"
+@@ -2848,36 +2850,60 @@ void ext3_set_inode_flags(struct inode *
+ {
+ unsigned int flags = EXT3_I(inode)->i_flags;
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
++
++ if (flags & EXT3_IMMUTABLE_FL)
++ inode->i_flags |= S_IMMUTABLE;
++ if (flags & EXT3_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
+ if (flags & EXT3_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+ if (flags & EXT3_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+- if (flags & EXT3_IMMUTABLE_FL)
+- inode->i_flags |= S_IMMUTABLE;
+ if (flags & EXT3_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & EXT3_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & EXT3_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & EXT3_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to EXT3_I(inode)->i_flags */
+ void ext3_get_inode_flags(struct ext3_inode_info *ei)
+ {
+ unsigned int flags = ei->vfs_inode.i_flags;
++ unsigned int vflags = ei->vfs_inode.i_vflags;
++
++ ei->i_flags &= ~(EXT3_SYNC_FL | EXT3_APPEND_FL |
++ EXT3_IMMUTABLE_FL | EXT3_IXUNLINK_FL |
++ EXT3_NOATIME_FL | EXT3_DIRSYNC_FL |
++ EXT3_BARRIER_FL | EXT3_COW_FL);
++
++ if (flags & S_IMMUTABLE)
++ ei->i_flags |= EXT3_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ ei->i_flags |= EXT3_IXUNLINK_FL;
+
+- ei->i_flags &= ~(EXT3_SYNC_FL|EXT3_APPEND_FL|
+- EXT3_IMMUTABLE_FL|EXT3_NOATIME_FL|EXT3_DIRSYNC_FL);
+ if (flags & S_SYNC)
+ ei->i_flags |= EXT3_SYNC_FL;
+ if (flags & S_APPEND)
+ ei->i_flags |= EXT3_APPEND_FL;
+- if (flags & S_IMMUTABLE)
+- ei->i_flags |= EXT3_IMMUTABLE_FL;
+ if (flags & S_NOATIME)
+ ei->i_flags |= EXT3_NOATIME_FL;
+ if (flags & S_DIRSYNC)
+ ei->i_flags |= EXT3_DIRSYNC_FL;
++
++ if (vflags & V_BARRIER)
++ ei->i_flags |= EXT3_BARRIER_FL;
++ if (vflags & V_COW)
++ ei->i_flags |= EXT3_COW_FL;
+ }
+
+ struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
+@@ -2891,6 +2917,8 @@ struct inode *ext3_iget(struct super_blo
+ transaction_t *transaction;
+ long ret;
+ int block;
++ uid_t uid;
++ gid_t gid;
+
+ inode = iget_locked(sb, ino);
+ if (!inode)
+@@ -2907,12 +2935,16 @@ struct inode *ext3_iget(struct super_blo
+ bh = iloc.bh;
+ raw_inode = ext3_raw_inode(&iloc);
+ inode->i_mode = le16_to_cpu(raw_inode->i_mode);
+- inode->i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
+- inode->i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
++ uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
++ gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
+ if(!(test_opt (inode->i_sb, NO_UID32))) {
+- inode->i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+- inode->i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
++ uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
++ gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+ }
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
++ le16_to_cpu(raw_inode->i_raw_tag));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
+ inode->i_size = le32_to_cpu(raw_inode->i_size);
+ inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
+@@ -3067,6 +3099,8 @@ static int ext3_do_update_inode(handle_t
+ struct ext3_inode *raw_inode = ext3_raw_inode(iloc);
+ struct ext3_inode_info *ei = EXT3_I(inode);
+ struct buffer_head *bh = iloc->bh;
++ uid_t uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
++ gid_t gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
+ int err = 0, rc, block;
+ int need_datasync = 0;
+ __le32 disksize;
+@@ -3083,29 +3117,32 @@ again:
+ ext3_get_inode_flags(ei);
+ raw_inode->i_mode = cpu_to_le16(inode->i_mode);
+ if(!(test_opt(inode->i_sb, NO_UID32))) {
+- raw_inode->i_uid_low = cpu_to_le16(low_16_bits(inode->i_uid));
+- raw_inode->i_gid_low = cpu_to_le16(low_16_bits(inode->i_gid));
++ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(uid));
++ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(gid));
+ /*
+ * Fix up interoperability with old kernels. Otherwise, old inodes get
+ * re-used with the upper 16 bits of the uid/gid intact
+ */
+ if(!ei->i_dtime) {
+ raw_inode->i_uid_high =
+- cpu_to_le16(high_16_bits(inode->i_uid));
++ cpu_to_le16(high_16_bits(uid));
+ raw_inode->i_gid_high =
+- cpu_to_le16(high_16_bits(inode->i_gid));
++ cpu_to_le16(high_16_bits(gid));
+ } else {
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ }
+ } else {
+ raw_inode->i_uid_low =
+- cpu_to_le16(fs_high2lowuid(inode->i_uid));
++ cpu_to_le16(fs_high2lowuid(uid));
+ raw_inode->i_gid_low =
+- cpu_to_le16(fs_high2lowgid(inode->i_gid));
++ cpu_to_le16(fs_high2lowgid(gid));
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ }
++#ifdef CONFIG_TAGGING_INTERN
++ raw_inode->i_raw_tag = cpu_to_le16(inode->i_tag);
++#endif
+ raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
+ disksize = cpu_to_le32(ei->i_disksize);
+ if (disksize != raw_inode->i_size) {
+@@ -3274,7 +3311,8 @@ int ext3_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, attr))
+ dquot_initialize(inode);
+ if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
+- (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
++ (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid) ||
++ (ia_valid & ATTR_TAG && attr->ia_tag != inode->i_tag)) {
+ handle_t *handle;
+
+ /* (user+group)*(old+new) structure, inode write (sb,
+@@ -3296,6 +3334,8 @@ int ext3_setattr(struct dentry *dentry,
+ inode->i_uid = attr->ia_uid;
+ if (attr->ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
++ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ error = ext3_mark_inode_dirty(handle, inode);
+ ext3_journal_stop(handle);
+ }
+diff -NurpP --minimal linux-3.4.45/fs/ext3/ioctl.c linux-3.4.45-vs2.3.3.9/fs/ext3/ioctl.c
+--- linux-3.4.45/fs/ext3/ioctl.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext3/ioctl.c 2012-05-21 16:15:05.000000000 +0000
+@@ -12,6 +12,34 @@
+ #include <asm/uaccess.h>
+ #include "ext3.h"
+
++
++int ext3_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ handle_t *handle = NULL;
++ struct ext3_iloc iloc;
++ int err;
++
++ handle = ext3_journal_start(inode, 1);
++ if (IS_ERR(handle))
++ return PTR_ERR(handle);
++
++ if (IS_SYNC(inode))
++ handle->h_sync = 1;
++ err = ext3_reserve_inode_write(handle, inode, &iloc);
++ if (err)
++ goto flags_err;
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext3_get_inode_flags(EXT3_I(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++
++ err = ext3_mark_iloc_dirty(handle, inode, &iloc);
++flags_err:
++ ext3_journal_stop(handle);
++ return err;
++}
++
+ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -45,6 +73,11 @@ long ext3_ioctl(struct file *filp, unsig
+
+ flags = ext3_mask_flags(inode->i_mode, flags);
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ mutex_lock(&inode->i_mutex);
+
+ /* Is it quota file? Do not allow user to mess with it */
+@@ -63,7 +96,9 @@ long ext3_ioctl(struct file *filp, unsig
+ *
+ * This test looks nicer. Thanks to Pauline Middelink
+ */
+- if ((flags ^ oldflags) & (EXT3_APPEND_FL | EXT3_IMMUTABLE_FL)) {
++ if ((oldflags & EXT3_IMMUTABLE_FL) ||
++ ((flags ^ oldflags) & (EXT3_APPEND_FL |
++ EXT3_IMMUTABLE_FL | EXT3_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE))
+ goto flags_out;
+ }
+@@ -88,7 +123,7 @@ long ext3_ioctl(struct file *filp, unsig
+ if (err)
+ goto flags_err;
+
+- flags = flags & EXT3_FL_USER_MODIFIABLE;
++ flags &= EXT3_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~EXT3_FL_USER_MODIFIABLE;
+ ei->i_flags = flags;
+
+diff -NurpP --minimal linux-3.4.45/fs/ext3/namei.c linux-3.4.45-vs2.3.3.9/fs/ext3/namei.c
+--- linux-3.4.45/fs/ext3/namei.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext3/namei.c 2012-05-21 16:15:05.000000000 +0000
+@@ -25,6 +25,8 @@
+ */
+
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
++
+ #include "ext3.h"
+ #include "namei.h"
+ #include "xattr.h"
+@@ -915,6 +917,7 @@ restart:
+ submit_bh(READ | REQ_META | REQ_PRIO,
+ bh);
+ }
++ dx_propagate_tag(nd, inode);
+ }
+ }
+ if ((bh = bh_use[ra_ptr++]) == NULL)
+@@ -2526,6 +2529,7 @@ const struct inode_operations ext3_dir_i
+ .listxattr = ext3_listxattr,
+ .removexattr = generic_removexattr,
+ #endif
++ .sync_flags = ext3_sync_flags,
+ .get_acl = ext3_get_acl,
+ };
+
+diff -NurpP --minimal linux-3.4.45/fs/ext3/super.c linux-3.4.45-vs2.3.3.9/fs/ext3/super.c
+--- linux-3.4.45/fs/ext3/super.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext3/super.c 2013-03-30 21:29:17.000000000 +0000
+@@ -820,7 +820,8 @@ enum {
+ Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
+ Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_jqfmt_vfsv1, Opt_quota,
+ Opt_noquota, Opt_ignore, Opt_barrier, Opt_nobarrier, Opt_err,
+- Opt_resize, Opt_usrquota, Opt_grpquota
++ Opt_resize, Opt_usrquota, Opt_grpquota,
++ Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -877,6 +878,9 @@ static const match_table_t tokens = {
+ {Opt_barrier, "barrier"},
+ {Opt_nobarrier, "nobarrier"},
+ {Opt_resize, "resize"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL},
+ };
+
+@@ -1029,6 +1033,20 @@ static int parse_options (char *options,
+ case Opt_nouid32:
+ set_opt (sbi->s_mount_opt, NO_UID32);
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++ case Opt_notag:
++ clear_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
+ case Opt_nocheck:
+ clear_opt (sbi->s_mount_opt, CHECK);
+ break;
+@@ -1727,6 +1745,9 @@ static int ext3_fill_super (struct super
+ NULL, 0))
+ goto failed_mount;
+
++ if (EXT3_SB(sb)->s_mount_opt & EXT3_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+@@ -2608,6 +2629,14 @@ static int ext3_remount (struct super_bl
+ if (test_opt(sb, ABORT))
+ ext3_abort(sb, __func__, "Abort forced by user");
+
++ if ((sbi->s_mount_opt & EXT3_MOUNT_TAGGED) &&
++ !(sb->s_flags & MS_TAGGED)) {
++ printk("EXT3-fs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ err = -EINVAL;
++ goto restore_opts;
++ }
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+diff -NurpP --minimal linux-3.4.45/fs/ext4/ext4.h linux-3.4.45-vs2.3.3.9/fs/ext4/ext4.h
+--- linux-3.4.45/fs/ext4/ext4.h 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext4/ext4.h 2013-05-13 18:16:08.000000000 +0000
+@@ -380,8 +380,12 @@ struct flex_groups {
+ #define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
+ #define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */
+ #define EXT4_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
++#define EXT4_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
+
++#define EXT4_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define EXT4_COW_FL 0x20000000 /* Copy on Write marker */
++
+ #define EXT4_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */
+ #define EXT4_FL_USER_MODIFIABLE 0x004B80FF /* User modifiable flags */
+
+@@ -650,7 +654,8 @@ struct ext4_inode {
+ __le16 l_i_file_acl_high;
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+- __u32 l_i_reserved2;
++ __le16 l_i_tag; /* Context Tag */
++ __u16 l_i_reserved2;
+ } linux2;
+ struct {
+ __le16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */
+@@ -768,6 +773,7 @@ do { \
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_reserved2 osd2.linux2.l_i_reserved2
+
+ #elif defined(__GNU__)
+@@ -945,6 +951,7 @@ struct ext4_inode_info {
+ #define EXT4_MOUNT_POSIX_ACL 0x08000 /* POSIX Access Control Lists */
+ #define EXT4_MOUNT_NO_AUTO_DA_ALLOC 0x10000 /* No auto delalloc mapping */
+ #define EXT4_MOUNT_BARRIER 0x20000 /* Use block barriers */
++#define EXT4_MOUNT_TAGGED 0x40000 /* Enable Context Tags */
+ #define EXT4_MOUNT_QUOTA 0x80000 /* Some quota option set */
+ #define EXT4_MOUNT_USRQUOTA 0x100000 /* "old" user quota */
+ #define EXT4_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
+@@ -2294,6 +2301,7 @@ extern int ext4_map_blocks(handle_t *han
+ struct ext4_map_blocks *map, int flags);
+ extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ __u64 start, __u64 len);
++extern int ext4_sync_flags(struct inode *, int, int);
+ /* move_extent.c */
+ extern int ext4_move_extents(struct file *o_filp, struct file *d_filp,
+ __u64 start_orig, __u64 start_donor,
+diff -NurpP --minimal linux-3.4.45/fs/ext4/file.c linux-3.4.45-vs2.3.3.9/fs/ext4/file.c
+--- linux-3.4.45/fs/ext4/file.c 2012-01-09 15:14:54.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext4/file.c 2012-05-21 16:15:05.000000000 +0000
+@@ -258,5 +258,6 @@ const struct inode_operations ext4_file_
+ #endif
+ .get_acl = ext4_get_acl,
+ .fiemap = ext4_fiemap,
++ .sync_flags = ext4_sync_flags,
+ };
+
+diff -NurpP --minimal linux-3.4.45/fs/ext4/ialloc.c linux-3.4.45-vs2.3.3.9/fs/ext4/ialloc.c
+--- linux-3.4.45/fs/ext4/ialloc.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext4/ialloc.c 2013-05-13 18:16:08.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/random.h>
+ #include <linux/bitops.h>
+ #include <linux/blkdev.h>
++#include <linux/vs_tag.h>
+ #include <asm/byteorder.h>
+
+ #include "ext4.h"
+@@ -815,6 +816,7 @@ got:
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ inode->i_tag = dx_current_fstag(sb);
+ } else
+ inode_init_owner(inode, dir, mode);
+
+diff -NurpP --minimal linux-3.4.45/fs/ext4/inode.c linux-3.4.45-vs2.3.3.9/fs/ext4/inode.c
+--- linux-3.4.45/fs/ext4/inode.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext4/inode.c 2013-03-30 21:29:17.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/printk.h>
+ #include <linux/slab.h>
+ #include <linux/ratelimit.h>
++#include <linux/vs_tag.h>
+
+ #include "ext4_jbd2.h"
+ #include "xattr.h"
+@@ -3585,41 +3586,64 @@ void ext4_set_inode_flags(struct inode *
+ {
+ unsigned int flags = EXT4_I(inode)->i_flags;
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
++
++ if (flags & EXT4_IMMUTABLE_FL)
++ inode->i_flags |= S_IMMUTABLE;
++ if (flags & EXT4_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
+ if (flags & EXT4_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+ if (flags & EXT4_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+- if (flags & EXT4_IMMUTABLE_FL)
+- inode->i_flags |= S_IMMUTABLE;
+ if (flags & EXT4_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & EXT4_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & EXT4_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & EXT4_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to EXT4_I(inode)->i_flags */
+ void ext4_get_inode_flags(struct ext4_inode_info *ei)
+ {
+- unsigned int vfs_fl;
++ unsigned int vfs_fl, vfs_vf;
+ unsigned long old_fl, new_fl;
+
+ do {
+ vfs_fl = ei->vfs_inode.i_flags;
++ vfs_vf = ei->vfs_inode.i_vflags;
+ old_fl = ei->i_flags;
+ new_fl = old_fl & ~(EXT4_SYNC_FL|EXT4_APPEND_FL|
+ EXT4_IMMUTABLE_FL|EXT4_NOATIME_FL|
+- EXT4_DIRSYNC_FL);
++ EXT4_DIRSYNC_FL|EXT4_BARRIER_FL|
++ EXT4_COW_FL);
++
++ if (vfs_fl & S_IMMUTABLE)
++ new_fl |= EXT4_IMMUTABLE_FL;
++ if (vfs_fl & S_IXUNLINK)
++ new_fl |= EXT4_IXUNLINK_FL;
++
+ if (vfs_fl & S_SYNC)
+ new_fl |= EXT4_SYNC_FL;
+ if (vfs_fl & S_APPEND)
+ new_fl |= EXT4_APPEND_FL;
+- if (vfs_fl & S_IMMUTABLE)
+- new_fl |= EXT4_IMMUTABLE_FL;
+ if (vfs_fl & S_NOATIME)
+ new_fl |= EXT4_NOATIME_FL;
+ if (vfs_fl & S_DIRSYNC)
+ new_fl |= EXT4_DIRSYNC_FL;
++
++ if (vfs_vf & V_BARRIER)
++ new_fl |= EXT4_BARRIER_FL;
++ if (vfs_vf & V_COW)
++ new_fl |= EXT4_COW_FL;
+ } while (cmpxchg(&ei->i_flags, old_fl, new_fl) != old_fl);
+ }
+
+@@ -3655,6 +3679,8 @@ struct inode *ext4_iget(struct super_blo
+ journal_t *journal = EXT4_SB(sb)->s_journal;
+ long ret;
+ int block;
++ uid_t uid;
++ gid_t gid;
+
+ inode = iget_locked(sb, ino);
+ if (!inode)
+@@ -3670,12 +3696,16 @@ struct inode *ext4_iget(struct super_blo
+ goto bad_inode;
+ raw_inode = ext4_raw_inode(&iloc);
+ inode->i_mode = le16_to_cpu(raw_inode->i_mode);
+- inode->i_uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
+- inode->i_gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
++ uid = (uid_t)le16_to_cpu(raw_inode->i_uid_low);
++ gid = (gid_t)le16_to_cpu(raw_inode->i_gid_low);
+ if (!(test_opt(inode->i_sb, NO_UID32))) {
+- inode->i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+- inode->i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
++ uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
++ gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+ }
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
++ le16_to_cpu(raw_inode->i_raw_tag));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
+
+ ext4_clear_state_flags(ei); /* Only relevant on 32-bit archs */
+@@ -3894,6 +3924,8 @@ static int ext4_do_update_inode(handle_t
+ struct ext4_inode *raw_inode = ext4_raw_inode(iloc);
+ struct ext4_inode_info *ei = EXT4_I(inode);
+ struct buffer_head *bh = iloc->bh;
++ uid_t uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
++ gid_t gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
+ int err = 0, rc, block;
+ int need_datasync = 0;
+
+@@ -3905,29 +3937,32 @@ static int ext4_do_update_inode(handle_t
+ ext4_get_inode_flags(ei);
+ raw_inode->i_mode = cpu_to_le16(inode->i_mode);
+ if (!(test_opt(inode->i_sb, NO_UID32))) {
+- raw_inode->i_uid_low = cpu_to_le16(low_16_bits(inode->i_uid));
+- raw_inode->i_gid_low = cpu_to_le16(low_16_bits(inode->i_gid));
++ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(uid));
++ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(gid));
+ /*
+ * Fix up interoperability with old kernels. Otherwise, old inodes get
+ * re-used with the upper 16 bits of the uid/gid intact
+ */
+ if (!ei->i_dtime) {
+ raw_inode->i_uid_high =
+- cpu_to_le16(high_16_bits(inode->i_uid));
++ cpu_to_le16(high_16_bits(uid));
+ raw_inode->i_gid_high =
+- cpu_to_le16(high_16_bits(inode->i_gid));
++ cpu_to_le16(high_16_bits(gid));
+ } else {
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ }
+ } else {
+ raw_inode->i_uid_low =
+- cpu_to_le16(fs_high2lowuid(inode->i_uid));
++ cpu_to_le16(fs_high2lowuid(uid));
+ raw_inode->i_gid_low =
+- cpu_to_le16(fs_high2lowgid(inode->i_gid));
++ cpu_to_le16(fs_high2lowgid(gid));
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ }
++#ifdef CONFIG_TAGGING_INTERN
++ raw_inode->i_raw_tag = cpu_to_le16(inode->i_tag);
++#endif
+ raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
+
+ EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode);
+@@ -4114,7 +4149,8 @@ int ext4_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, attr))
+ dquot_initialize(inode);
+ if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
+- (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
++ (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid) ||
++ (ia_valid & ATTR_TAG && attr->ia_tag != inode->i_tag)) {
+ handle_t *handle;
+
+ /* (user+group)*(old+new) structure, inode write (sb,
+@@ -4136,6 +4172,8 @@ int ext4_setattr(struct dentry *dentry,
+ inode->i_uid = attr->ia_uid;
+ if (attr->ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
++ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ error = ext4_mark_inode_dirty(handle, inode);
+ ext4_journal_stop(handle);
+ }
+diff -NurpP --minimal linux-3.4.45/fs/ext4/ioctl.c linux-3.4.45-vs2.3.3.9/fs/ext4/ioctl.c
+--- linux-3.4.45/fs/ext4/ioctl.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext4/ioctl.c 2012-09-01 08:50:49.000000000 +0000
+@@ -14,12 +14,40 @@
+ #include <linux/compat.h>
+ #include <linux/mount.h>
+ #include <linux/file.h>
++#include <linux/vs_tag.h>
+ #include <asm/uaccess.h>
+ #include "ext4_jbd2.h"
+ #include "ext4.h"
+
+ #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
+
++int ext4_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ handle_t *handle = NULL;
++ struct ext4_iloc iloc;
++ int err;
++
++ handle = ext4_journal_start(inode, 1);
++ if (IS_ERR(handle))
++ return PTR_ERR(handle);
++
++ if (IS_SYNC(inode))
++ ext4_handle_sync(handle);
++ err = ext4_reserve_inode_write(handle, inode, &iloc);
++ if (err)
++ goto flags_err;
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext4_get_inode_flags(EXT4_I(inode));
++ inode->i_ctime = ext4_current_time(inode);
++
++ err = ext4_mark_iloc_dirty(handle, inode, &iloc);
++flags_err:
++ ext4_journal_stop(handle);
++ return err;
++}
++
+ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -53,6 +81,11 @@ long ext4_ioctl(struct file *filp, unsig
+
+ flags = ext4_mask_flags(inode->i_mode, flags);
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ err = -EPERM;
+ mutex_lock(&inode->i_mutex);
+ /* Is it quota file? Do not allow user to mess with it */
+@@ -70,7 +103,9 @@ long ext4_ioctl(struct file *filp, unsig
+ *
+ * This test looks nicer. Thanks to Pauline Middelink
+ */
+- if ((flags ^ oldflags) & (EXT4_APPEND_FL | EXT4_IMMUTABLE_FL)) {
++ if ((oldflags & EXT4_IMMUTABLE_FL) ||
++ ((flags ^ oldflags) & (EXT4_APPEND_FL |
++ EXT4_IMMUTABLE_FL | EXT4_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE))
+ goto flags_out;
+ }
+diff -NurpP --minimal linux-3.4.45/fs/ext4/namei.c linux-3.4.45-vs2.3.3.9/fs/ext4/namei.c
+--- linux-3.4.45/fs/ext4/namei.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext4/namei.c 2012-10-22 13:09:53.000000000 +0000
+@@ -34,6 +34,7 @@
+ #include <linux/quotaops.h>
+ #include <linux/buffer_head.h>
+ #include <linux/bio.h>
++#include <linux/vs_tag.h>
+ #include "ext4.h"
+ #include "ext4_jbd2.h"
+
+@@ -925,6 +926,7 @@ restart:
+ ll_rw_block(READ | REQ_META | REQ_PRIO,
+ 1, &bh);
+ }
++ dx_propagate_tag(nd, inode);
+ }
+ if ((bh = bh_use[ra_ptr++]) == NULL)
+ goto next;
+@@ -2591,6 +2593,7 @@ const struct inode_operations ext4_dir_i
+ #endif
+ .get_acl = ext4_get_acl,
+ .fiemap = ext4_fiemap,
++ .sync_flags = ext4_sync_flags,
+ };
+
+ const struct inode_operations ext4_special_inode_operations = {
+diff -NurpP --minimal linux-3.4.45/fs/ext4/super.c linux-3.4.45-vs2.3.3.9/fs/ext4/super.c
+--- linux-3.4.45/fs/ext4/super.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ext4/super.c 2013-05-13 18:16:08.000000000 +0000
+@@ -1191,6 +1191,7 @@ enum {
+ Opt_inode_readahead_blks, Opt_journal_ioprio,
+ Opt_dioread_nolock, Opt_dioread_lock,
+ Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
++ Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -1269,6 +1270,9 @@ static const match_table_t tokens = {
+ {Opt_removed, "reservation"}, /* mount option from ext2/3 */
+ {Opt_removed, "noreservation"}, /* mount option from ext2/3 */
+ {Opt_removed, "journal=%u"}, /* mount option from ext2/3 */
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL},
+ };
+
+@@ -1503,6 +1507,20 @@ static int handle_mount_opt(struct super
+ return -1;
+ *journal_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, arg);
+ return 1;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ set_opt(sb, TAGGED);
++ return 1;
++ case Opt_notag:
++ clear_opt(sb, TAGGED);
++ return 1;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ set_opt(sb, TAGGED);
++ return 1;
++#endif
+ }
+
+ for (m = ext4_mount_opts; m->token != Opt_err; m++) {
+@@ -3239,6 +3257,9 @@ static int ext4_fill_super(struct super_
+ clear_opt(sb, DELALLOC);
+ }
+
++ if (EXT4_SB(sb)->s_mount_opt & EXT4_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+@@ -4400,6 +4421,14 @@ static int ext4_remount(struct super_blo
+ if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED)
+ ext4_abort(sb, "Abort forced by user");
+
++ if ((sbi->s_mount_opt & EXT4_MOUNT_TAGGED) &&
++ !(sb->s_flags & MS_TAGGED)) {
++ printk("EXT4-fs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ err = -EINVAL;
++ goto restore_opts;
++ }
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+diff -NurpP --minimal linux-3.4.45/fs/fcntl.c linux-3.4.45-vs2.3.3.9/fs/fcntl.c
+--- linux-3.4.45/fs/fcntl.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/fcntl.c 2012-05-21 16:15:05.000000000 +0000
+@@ -20,6 +20,7 @@
+ #include <linux/signal.h>
+ #include <linux/rcupdate.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/poll.h>
+ #include <asm/siginfo.h>
+@@ -103,6 +104,8 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldf
+
+ if (tofree)
+ filp_close(tofree, files);
++ else
++ vx_openfd_inc(newfd); /* fd was unused */
+
+ return newfd;
+
+@@ -447,6 +450,8 @@ SYSCALL_DEFINE3(fcntl, unsigned int, fd,
+ filp = fget_raw(fd);
+ if (!filp)
+ goto out;
++ if (!vx_files_avail(1))
++ goto out;
+
+ if (unlikely(filp->f_mode & FMODE_PATH)) {
+ if (!check_fcntl_cmd(cmd)) {
+diff -NurpP --minimal linux-3.4.45/fs/file.c linux-3.4.45-vs2.3.3.9/fs/file.c
+--- linux-3.4.45/fs/file.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/file.c 2012-05-21 16:15:05.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/spinlock.h>
+ #include <linux/rcupdate.h>
+ #include <linux/workqueue.h>
++#include <linux/vs_limit.h>
+
+ struct fdtable_defer {
+ spinlock_t lock;
+@@ -358,6 +359,8 @@ struct files_struct *dup_fd(struct files
+ struct file *f = *old_fds++;
+ if (f) {
+ get_file(f);
++ /* TODO: sum it first for check and performance */
++ vx_openfd_inc(open_files - i);
+ } else {
+ /*
+ * The fd may be claimed in the fd bitmap but not yet
+@@ -464,6 +467,7 @@ repeat:
+ else
+ __clear_close_on_exec(fd, fdt);
+ error = fd;
++ vx_openfd_inc(fd);
+ #if 1
+ /* Sanity check */
+ if (rcu_dereference_raw(fdt->fd[fd]) != NULL) {
+diff -NurpP --minimal linux-3.4.45/fs/file_table.c linux-3.4.45-vs2.3.3.9/fs/file_table.c
+--- linux-3.4.45/fs/file_table.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/file_table.c 2012-05-21 16:15:05.000000000 +0000
+@@ -24,6 +24,8 @@
+ #include <linux/percpu_counter.h>
+ #include <linux/percpu.h>
+ #include <linux/ima.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_context.h>
+
+ #include <linux/atomic.h>
+
+@@ -135,6 +137,8 @@ struct file *get_empty_filp(void)
+ spin_lock_init(&f->f_lock);
+ eventpoll_init_file(f);
+ /* f->f_version: 0 */
++ f->f_xid = vx_current_xid();
++ vx_files_inc(f);
+ return f;
+
+ over:
+@@ -252,6 +256,8 @@ static void __fput(struct file *file)
+ }
+ fops_put(file->f_op);
+ put_pid(file->f_owner.pid);
++ vx_files_dec(file);
++ file->f_xid = 0;
+ file_sb_list_del(file);
+ if ((file->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ)
+ i_readcount_dec(inode);
+@@ -382,6 +388,8 @@ void put_filp(struct file *file)
+ {
+ if (atomic_long_dec_and_test(&file->f_count)) {
+ security_file_free(file);
++ vx_files_dec(file);
++ file->f_xid = 0;
+ file_sb_list_del(file);
+ file_free(file);
+ }
+diff -NurpP --minimal linux-3.4.45/fs/fs_struct.c linux-3.4.45-vs2.3.3.9/fs/fs_struct.c
+--- linux-3.4.45/fs/fs_struct.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/fs_struct.c 2012-05-21 16:15:05.000000000 +0000
+@@ -4,6 +4,7 @@
+ #include <linux/path.h>
+ #include <linux/slab.h>
+ #include <linux/fs_struct.h>
++#include <linux/vserver/global.h>
+ #include "internal.h"
+
+ static inline void path_get_longterm(struct path *path)
+@@ -99,6 +100,7 @@ void free_fs_struct(struct fs_struct *fs
+ {
+ path_put_longterm(&fs->root);
+ path_put_longterm(&fs->pwd);
++ atomic_dec(&vs_global_fs);
+ kmem_cache_free(fs_cachep, fs);
+ }
+
+@@ -136,6 +138,7 @@ struct fs_struct *copy_fs_struct(struct
+ fs->pwd = old->pwd;
+ path_get_longterm(&fs->pwd);
+ spin_unlock(&old->lock);
++ atomic_inc(&vs_global_fs);
+ }
+ return fs;
+ }
+diff -NurpP --minimal linux-3.4.45/fs/gfs2/file.c linux-3.4.45-vs2.3.3.9/fs/gfs2/file.c
+--- linux-3.4.45/fs/gfs2/file.c 2012-05-21 16:07:20.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/gfs2/file.c 2012-05-21 16:15:05.000000000 +0000
+@@ -142,6 +142,9 @@ static const u32 fsflags_to_gfs2[32] = {
+ [7] = GFS2_DIF_NOATIME,
+ [12] = GFS2_DIF_EXHASH,
+ [14] = GFS2_DIF_INHERIT_JDATA,
++ [27] = GFS2_DIF_IXUNLINK,
++ [26] = GFS2_DIF_BARRIER,
++ [29] = GFS2_DIF_COW,
+ };
+
+ static const u32 gfs2_to_fsflags[32] = {
+@@ -151,6 +154,9 @@ static const u32 gfs2_to_fsflags[32] = {
+ [gfs2fl_NoAtime] = FS_NOATIME_FL,
+ [gfs2fl_ExHash] = FS_INDEX_FL,
+ [gfs2fl_InheritJdata] = FS_JOURNAL_DATA_FL,
++ [gfs2fl_IXUnlink] = FS_IXUNLINK_FL,
++ [gfs2fl_Barrier] = FS_BARRIER_FL,
++ [gfs2fl_Cow] = FS_COW_FL,
+ };
+
+ static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
+@@ -181,12 +187,18 @@ void gfs2_set_inode_flags(struct inode *
+ {
+ struct gfs2_inode *ip = GFS2_I(inode);
+ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC | S_NOSEC);
+
+- flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_NOSEC);
+ if ((ip->i_eattr == 0) && !is_sxid(inode->i_mode))
+ inode->i_flags |= S_NOSEC;
+ if (ip->i_diskflags & GFS2_DIF_IMMUTABLE)
+ flags |= S_IMMUTABLE;
++ if (ip->i_diskflags & GFS2_DIF_IXUNLINK)
++ flags |= S_IXUNLINK;
++
+ if (ip->i_diskflags & GFS2_DIF_APPENDONLY)
+ flags |= S_APPEND;
+ if (ip->i_diskflags & GFS2_DIF_NOATIME)
+@@ -194,6 +206,43 @@ void gfs2_set_inode_flags(struct inode *
+ if (ip->i_diskflags & GFS2_DIF_SYNC)
+ flags |= S_SYNC;
+ inode->i_flags = flags;
++
++ vflags &= ~(V_BARRIER | V_COW);
++
++ if (ip->i_diskflags & GFS2_DIF_BARRIER)
++ vflags |= V_BARRIER;
++ if (ip->i_diskflags & GFS2_DIF_COW)
++ vflags |= V_COW;
++ inode->i_vflags = vflags;
++}
++
++void gfs2_get_inode_flags(struct inode *inode)
++{
++ struct gfs2_inode *ip = GFS2_I(inode);
++ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ ip->i_diskflags &= ~(GFS2_DIF_APPENDONLY |
++ GFS2_DIF_NOATIME | GFS2_DIF_SYNC |
++ GFS2_DIF_IMMUTABLE | GFS2_DIF_IXUNLINK |
++ GFS2_DIF_BARRIER | GFS2_DIF_COW);
++
++ if (flags & S_IMMUTABLE)
++ ip->i_diskflags |= GFS2_DIF_IMMUTABLE;
++ if (flags & S_IXUNLINK)
++ ip->i_diskflags |= GFS2_DIF_IXUNLINK;
++
++ if (flags & S_APPEND)
++ ip->i_diskflags |= GFS2_DIF_APPENDONLY;
++ if (flags & S_NOATIME)
++ ip->i_diskflags |= GFS2_DIF_NOATIME;
++ if (flags & S_SYNC)
++ ip->i_diskflags |= GFS2_DIF_SYNC;
++
++ if (vflags & V_BARRIER)
++ ip->i_diskflags |= GFS2_DIF_BARRIER;
++ if (vflags & V_COW)
++ ip->i_diskflags |= GFS2_DIF_COW;
+ }
+
+ /* Flags that can be set by user space */
+@@ -305,6 +354,37 @@ static int gfs2_set_flags(struct file *f
+ return do_gfs2_set_flags(filp, gfsflags, ~GFS2_DIF_JDATA);
+ }
+
++int gfs2_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ struct gfs2_inode *ip = GFS2_I(inode);
++ struct gfs2_sbd *sdp = GFS2_SB(inode);
++ struct buffer_head *bh;
++ struct gfs2_holder gh;
++ int error;
++
++ error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
++ if (error)
++ return error;
++ error = gfs2_trans_begin(sdp, RES_DINODE, 0);
++ if (error)
++ goto out;
++ error = gfs2_meta_inode_buffer(ip, &bh);
++ if (error)
++ goto out_trans_end;
++ gfs2_trans_add_bh(ip->i_gl, bh, 1);
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ gfs2_get_inode_flags(inode);
++ gfs2_dinode_out(ip, bh->b_data);
++ brelse(bh);
++ gfs2_set_aops(inode);
++out_trans_end:
++ gfs2_trans_end(sdp);
++out:
++ gfs2_glock_dq_uninit(&gh);
++ return error;
++}
++
+ static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ switch(cmd) {
+diff -NurpP --minimal linux-3.4.45/fs/gfs2/inode.h linux-3.4.45-vs2.3.3.9/fs/gfs2/inode.h
+--- linux-3.4.45/fs/gfs2/inode.h 2012-01-09 15:14:54.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/gfs2/inode.h 2012-05-21 16:15:05.000000000 +0000
+@@ -120,6 +120,7 @@ extern const struct file_operations gfs2
+ extern const struct file_operations gfs2_dir_fops_nolock;
+
+ extern void gfs2_set_inode_flags(struct inode *inode);
++extern int gfs2_sync_flags(struct inode *inode, int flags, int vflags);
+
+ #ifdef CONFIG_GFS2_FS_LOCKING_DLM
+ extern const struct file_operations gfs2_file_fops;
+diff -NurpP --minimal linux-3.4.45/fs/inode.c linux-3.4.45-vs2.3.3.9/fs/inode.c
+--- linux-3.4.45/fs/inode.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/inode.c 2013-05-13 18:16:08.000000000 +0000
+@@ -17,6 +17,7 @@
+ #include <linux/prefetch.h>
+ #include <linux/buffer_head.h> /* for inode_has_buffers */
+ #include <linux/ratelimit.h>
++#include <linux/vs_tag.h>
+ #include "internal.h"
+
+ /*
+@@ -128,6 +129,9 @@ int inode_init_always(struct super_block
+ struct address_space *const mapping = &inode->i_data;
+
+ inode->i_sb = sb;
++
++ /* essential because of inode slab reuse */
++ inode->i_tag = 0;
+ inode->i_blkbits = sb->s_blocksize_bits;
+ inode->i_flags = 0;
+ atomic_set(&inode->i_count, 1);
+@@ -149,6 +153,7 @@ int inode_init_always(struct super_block
+ inode->i_bdev = NULL;
+ inode->i_cdev = NULL;
+ inode->i_rdev = 0;
++ inode->i_mdev = 0;
+ inode->dirtied_when = 0;
+
+ if (security_inode_alloc(inode))
+@@ -470,6 +475,8 @@ void __insert_inode_hash(struct inode *i
+ }
+ EXPORT_SYMBOL(__insert_inode_hash);
+
++EXPORT_SYMBOL_GPL(__iget);
++
+ /**
+ * __remove_inode_hash - remove an inode from the hash
+ * @inode: inode to unhash
+@@ -1689,9 +1696,11 @@ void init_special_inode(struct inode *in
+ if (S_ISCHR(mode)) {
+ inode->i_fop = &def_chr_fops;
+ inode->i_rdev = rdev;
++ inode->i_mdev = rdev;
+ } else if (S_ISBLK(mode)) {
+ inode->i_fop = &def_blk_fops;
+ inode->i_rdev = rdev;
++ inode->i_mdev = rdev;
+ } else if (S_ISFIFO(mode))
+ inode->i_fop = &def_fifo_fops;
+ else if (S_ISSOCK(mode))
+@@ -1720,6 +1729,7 @@ void inode_init_owner(struct inode *inod
+ } else
+ inode->i_gid = current_fsgid();
+ inode->i_mode = mode;
++ inode->i_tag = dx_current_fstag(inode->i_sb);
+ }
+ EXPORT_SYMBOL(inode_init_owner);
+
+diff -NurpP --minimal linux-3.4.45/fs/ioctl.c linux-3.4.45-vs2.3.3.9/fs/ioctl.c
+--- linux-3.4.45/fs/ioctl.c 2012-05-21 16:07:24.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ioctl.c 2012-05-21 16:15:05.000000000 +0000
+@@ -15,6 +15,9 @@
+ #include <linux/writeback.h>
+ #include <linux/buffer_head.h>
+ #include <linux/falloc.h>
++#include <linux/proc_fs.h>
++#include <linux/vserver/inode.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/ioctls.h>
+
+diff -NurpP --minimal linux-3.4.45/fs/ioprio.c linux-3.4.45-vs2.3.3.9/fs/ioprio.c
+--- linux-3.4.45/fs/ioprio.c 2012-03-19 18:47:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ioprio.c 2012-05-21 16:15:05.000000000 +0000
+@@ -28,6 +28,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/security.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vs_base.h>
+
+ int set_task_ioprio(struct task_struct *task, int ioprio)
+ {
+@@ -104,6 +105,8 @@ SYSCALL_DEFINE3(ioprio_set, int, which,
+ else
+ pgrp = find_vpid(who);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ ret = set_task_ioprio(p, ioprio);
+ if (ret)
+ break;
+@@ -193,6 +196,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which,
+ else
+ pgrp = find_vpid(who);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ tmpio = get_task_ioprio(p);
+ if (tmpio < 0)
+ continue;
+diff -NurpP --minimal linux-3.4.45/fs/jfs/file.c linux-3.4.45-vs2.3.3.9/fs/jfs/file.c
+--- linux-3.4.45/fs/jfs/file.c 2011-10-24 16:45:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/jfs/file.c 2012-05-21 16:15:05.000000000 +0000
+@@ -109,7 +109,8 @@ int jfs_setattr(struct dentry *dentry, s
+ if (is_quota_modification(inode, iattr))
+ dquot_initialize(inode);
+ if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
+- (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
++ (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid) ||
++ (iattr->ia_valid & ATTR_TAG && iattr->ia_tag != inode->i_tag)) {
+ rc = dquot_transfer(inode, iattr);
+ if (rc)
+ return rc;
+@@ -142,6 +143,7 @@ const struct inode_operations jfs_file_i
+ #ifdef CONFIG_JFS_POSIX_ACL
+ .get_acl = jfs_get_acl,
+ #endif
++ .sync_flags = jfs_sync_flags,
+ };
+
+ const struct file_operations jfs_file_operations = {
+diff -NurpP --minimal linux-3.4.45/fs/jfs/ioctl.c linux-3.4.45-vs2.3.3.9/fs/jfs/ioctl.c
+--- linux-3.4.45/fs/jfs/ioctl.c 2012-03-19 18:47:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/jfs/ioctl.c 2012-05-21 16:15:05.000000000 +0000
+@@ -11,6 +11,7 @@
+ #include <linux/mount.h>
+ #include <linux/time.h>
+ #include <linux/sched.h>
++#include <linux/mount.h>
+ #include <asm/current.h>
+ #include <asm/uaccess.h>
+
+@@ -52,6 +53,16 @@ static long jfs_map_ext2(unsigned long f
+ }
+
+
++int jfs_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ jfs_get_inode_flags(JFS_IP(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++ mark_inode_dirty(inode);
++ return 0;
++}
++
+ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -85,6 +96,11 @@ long jfs_ioctl(struct file *filp, unsign
+ if (!S_ISDIR(inode->i_mode))
+ flags &= ~JFS_DIRSYNC_FL;
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ /* Is it quota file? Do not allow user to mess with it */
+ if (IS_NOQUOTA(inode)) {
+ err = -EPERM;
+@@ -102,8 +118,8 @@ long jfs_ioctl(struct file *filp, unsign
+ * the relevant capability.
+ */
+ if ((oldflags & JFS_IMMUTABLE_FL) ||
+- ((flags ^ oldflags) &
+- (JFS_APPEND_FL | JFS_IMMUTABLE_FL))) {
++ ((flags ^ oldflags) & (JFS_APPEND_FL |
++ JFS_IMMUTABLE_FL | JFS_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE)) {
+ mutex_unlock(&inode->i_mutex);
+ err = -EPERM;
+@@ -111,7 +127,7 @@ long jfs_ioctl(struct file *filp, unsign
+ }
+ }
+
+- flags = flags & JFS_FL_USER_MODIFIABLE;
++ flags &= JFS_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~JFS_FL_USER_MODIFIABLE;
+ jfs_inode->mode2 = flags;
+
+diff -NurpP --minimal linux-3.4.45/fs/jfs/jfs_dinode.h linux-3.4.45-vs2.3.3.9/fs/jfs/jfs_dinode.h
+--- linux-3.4.45/fs/jfs/jfs_dinode.h 2008-12-24 23:26:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/jfs/jfs_dinode.h 2012-05-21 16:15:05.000000000 +0000
+@@ -161,9 +161,13 @@ struct dinode {
+
+ #define JFS_APPEND_FL 0x01000000 /* writes to file may only append */
+ #define JFS_IMMUTABLE_FL 0x02000000 /* Immutable file */
++#define JFS_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+
+-#define JFS_FL_USER_VISIBLE 0x03F80000
+-#define JFS_FL_USER_MODIFIABLE 0x03F80000
++#define JFS_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define JFS_COW_FL 0x20000000 /* Copy on Write marker */
++
++#define JFS_FL_USER_VISIBLE 0x07F80000
++#define JFS_FL_USER_MODIFIABLE 0x07F80000
+ #define JFS_FL_INHERIT 0x03C80000
+
+ /* These are identical to EXT[23]_IOC_GETFLAGS/SETFLAGS */
+diff -NurpP --minimal linux-3.4.45/fs/jfs/jfs_filsys.h linux-3.4.45-vs2.3.3.9/fs/jfs/jfs_filsys.h
+--- linux-3.4.45/fs/jfs/jfs_filsys.h 2008-12-24 23:26:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/jfs/jfs_filsys.h 2012-05-21 16:15:05.000000000 +0000
+@@ -263,6 +263,7 @@
+ #define JFS_NAME_MAX 255
+ #define JFS_PATH_MAX BPSIZE
+
++#define JFS_TAGGED 0x00800000 /* Context Tagging */
+
+ /*
+ * file system state (superblock state)
+diff -NurpP --minimal linux-3.4.45/fs/jfs/jfs_imap.c linux-3.4.45-vs2.3.3.9/fs/jfs/jfs_imap.c
+--- linux-3.4.45/fs/jfs/jfs_imap.c 2012-01-09 15:14:54.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/jfs/jfs_imap.c 2012-05-21 16:15:05.000000000 +0000
+@@ -46,6 +46,7 @@
+ #include <linux/pagemap.h>
+ #include <linux/quotaops.h>
+ #include <linux/slab.h>
++#include <linux/vs_tag.h>
+
+ #include "jfs_incore.h"
+ #include "jfs_inode.h"
+@@ -3058,6 +3059,8 @@ static int copy_from_dinode(struct dinod
+ {
+ struct jfs_inode_info *jfs_ip = JFS_IP(ip);
+ struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb);
++ uid_t uid;
++ gid_t gid;
+
+ jfs_ip->fileset = le32_to_cpu(dip->di_fileset);
+ jfs_ip->mode2 = le32_to_cpu(dip->di_mode);
+@@ -3078,14 +3081,18 @@ static int copy_from_dinode(struct dinod
+ }
+ set_nlink(ip, le32_to_cpu(dip->di_nlink));
+
+- jfs_ip->saved_uid = le32_to_cpu(dip->di_uid);
++ uid = le32_to_cpu(dip->di_uid);
++ gid = le32_to_cpu(dip->di_gid);
++ ip->i_tag = INOTAG_TAG(DX_TAG(ip), uid, gid, 0);
++
++ jfs_ip->saved_uid = INOTAG_UID(DX_TAG(ip), uid, gid);
+ if (sbi->uid == -1)
+ ip->i_uid = jfs_ip->saved_uid;
+ else {
+ ip->i_uid = sbi->uid;
+ }
+
+- jfs_ip->saved_gid = le32_to_cpu(dip->di_gid);
++ jfs_ip->saved_gid = INOTAG_GID(DX_TAG(ip), uid, gid);
+ if (sbi->gid == -1)
+ ip->i_gid = jfs_ip->saved_gid;
+ else {
+@@ -3150,14 +3157,12 @@ static void copy_to_dinode(struct dinode
+ dip->di_size = cpu_to_le64(ip->i_size);
+ dip->di_nblocks = cpu_to_le64(PBLK2LBLK(ip->i_sb, ip->i_blocks));
+ dip->di_nlink = cpu_to_le32(ip->i_nlink);
+- if (sbi->uid == -1)
+- dip->di_uid = cpu_to_le32(ip->i_uid);
+- else
+- dip->di_uid = cpu_to_le32(jfs_ip->saved_uid);
+- if (sbi->gid == -1)
+- dip->di_gid = cpu_to_le32(ip->i_gid);
+- else
+- dip->di_gid = cpu_to_le32(jfs_ip->saved_gid);
++
++ dip->di_uid = cpu_to_le32(TAGINO_UID(DX_TAG(ip),
++ (sbi->uid == -1) ? ip->i_uid : jfs_ip->saved_uid, ip->i_tag));
++ dip->di_gid = cpu_to_le32(TAGINO_GID(DX_TAG(ip),
++ (sbi->gid == -1) ? ip->i_gid : jfs_ip->saved_gid, ip->i_tag));
++
+ jfs_get_inode_flags(jfs_ip);
+ /*
+ * mode2 is only needed for storing the higher order bits.
+diff -NurpP --minimal linux-3.4.45/fs/jfs/jfs_inode.c linux-3.4.45-vs2.3.3.9/fs/jfs/jfs_inode.c
+--- linux-3.4.45/fs/jfs/jfs_inode.c 2012-01-09 15:14:54.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/jfs/jfs_inode.c 2012-05-21 16:15:05.000000000 +0000
+@@ -18,6 +18,7 @@
+
+ #include <linux/fs.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+ #include "jfs_incore.h"
+ #include "jfs_inode.h"
+ #include "jfs_filsys.h"
+@@ -30,29 +31,46 @@ void jfs_set_inode_flags(struct inode *i
+ {
+ unsigned int flags = JFS_IP(inode)->mode2;
+
+- inode->i_flags &= ~(S_IMMUTABLE | S_APPEND |
+- S_NOATIME | S_DIRSYNC | S_SYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
+ if (flags & JFS_IMMUTABLE_FL)
+ inode->i_flags |= S_IMMUTABLE;
++ if (flags & JFS_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
++ if (flags & JFS_SYNC_FL)
++ inode->i_flags |= S_SYNC;
+ if (flags & JFS_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+ if (flags & JFS_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & JFS_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
+- if (flags & JFS_SYNC_FL)
+- inode->i_flags |= S_SYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & JFS_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & JFS_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip)
+ {
+ unsigned int flags = jfs_ip->vfs_inode.i_flags;
++ unsigned int vflags = jfs_ip->vfs_inode.i_vflags;
++
++ jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_IXUNLINK_FL |
++ JFS_APPEND_FL | JFS_NOATIME_FL |
++ JFS_DIRSYNC_FL | JFS_SYNC_FL |
++ JFS_BARRIER_FL | JFS_COW_FL);
+
+- jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_APPEND_FL | JFS_NOATIME_FL |
+- JFS_DIRSYNC_FL | JFS_SYNC_FL);
+ if (flags & S_IMMUTABLE)
+ jfs_ip->mode2 |= JFS_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ jfs_ip->mode2 |= JFS_IXUNLINK_FL;
++
+ if (flags & S_APPEND)
+ jfs_ip->mode2 |= JFS_APPEND_FL;
+ if (flags & S_NOATIME)
+@@ -61,6 +79,11 @@ void jfs_get_inode_flags(struct jfs_inod
+ jfs_ip->mode2 |= JFS_DIRSYNC_FL;
+ if (flags & S_SYNC)
+ jfs_ip->mode2 |= JFS_SYNC_FL;
++
++ if (vflags & V_BARRIER)
++ jfs_ip->mode2 |= JFS_BARRIER_FL;
++ if (vflags & V_COW)
++ jfs_ip->mode2 |= JFS_COW_FL;
+ }
+
+ /*
+diff -NurpP --minimal linux-3.4.45/fs/jfs/jfs_inode.h linux-3.4.45-vs2.3.3.9/fs/jfs/jfs_inode.h
+--- linux-3.4.45/fs/jfs/jfs_inode.h 2011-10-24 16:45:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/jfs/jfs_inode.h 2012-05-21 16:15:05.000000000 +0000
+@@ -39,6 +39,7 @@ extern struct dentry *jfs_fh_to_dentry(s
+ extern struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type);
+ extern void jfs_set_inode_flags(struct inode *);
++extern int jfs_sync_flags(struct inode *, int, int);
+ extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
+ extern int jfs_setattr(struct dentry *, struct iattr *);
+
+diff -NurpP --minimal linux-3.4.45/fs/jfs/namei.c linux-3.4.45-vs2.3.3.9/fs/jfs/namei.c
+--- linux-3.4.45/fs/jfs/namei.c 2012-05-21 16:07:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/jfs/namei.c 2012-05-21 16:15:05.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/ctype.h>
+ #include <linux/quotaops.h>
+ #include <linux/exportfs.h>
++#include <linux/vs_tag.h>
+ #include "jfs_incore.h"
+ #include "jfs_superblock.h"
+ #include "jfs_inode.h"
+@@ -1461,6 +1462,7 @@ static struct dentry *jfs_lookup(struct
+ jfs_err("jfs_lookup: iget failed on inum %d", (uint)inum);
+ }
+
++ dx_propagate_tag(nd, ip);
+ return d_splice_alias(ip, dentry);
+ }
+
+@@ -1525,6 +1527,7 @@ const struct inode_operations jfs_dir_in
+ #ifdef CONFIG_JFS_POSIX_ACL
+ .get_acl = jfs_get_acl,
+ #endif
++ .sync_flags = jfs_sync_flags,
+ };
+
+ const struct file_operations jfs_dir_operations = {
+diff -NurpP --minimal linux-3.4.45/fs/jfs/super.c linux-3.4.45-vs2.3.3.9/fs/jfs/super.c
+--- linux-3.4.45/fs/jfs/super.c 2012-05-21 16:07:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/jfs/super.c 2012-05-21 16:15:05.000000000 +0000
+@@ -197,7 +197,8 @@ static void jfs_put_super(struct super_b
+ enum {
+ Opt_integrity, Opt_nointegrity, Opt_iocharset, Opt_resize,
+ Opt_resize_nosize, Opt_errors, Opt_ignore, Opt_err, Opt_quota,
+- Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask
++ Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask,
++ Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -207,6 +208,10 @@ static const match_table_t tokens = {
+ {Opt_resize, "resize=%u"},
+ {Opt_resize_nosize, "resize"},
+ {Opt_errors, "errors=%s"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
++ {Opt_tag, "tagxid"},
+ {Opt_ignore, "noquota"},
+ {Opt_ignore, "quota"},
+ {Opt_usrquota, "usrquota"},
+@@ -341,6 +346,20 @@ static int parse_options(char *options,
+ }
+ break;
+ }
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ *flag |= JFS_TAGGED;
++ break;
++ case Opt_notag:
++ *flag &= JFS_TAGGED;
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ *flag |= JFS_TAGGED;
++ break;
++#endif
+ default:
+ printk("jfs: Unrecognized mount option \"%s\" "
+ " or missing value\n", p);
+@@ -372,6 +391,12 @@ static int jfs_remount(struct super_bloc
+ return -EINVAL;
+ }
+
++ if ((flag & JFS_TAGGED) && !(sb->s_flags & MS_TAGGED)) {
++ printk(KERN_ERR "JFS: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ return -EINVAL;
++ }
++
+ if (newLVSize) {
+ if (sb->s_flags & MS_RDONLY) {
+ printk(KERN_ERR
+@@ -455,6 +480,9 @@ static int jfs_fill_super(struct super_b
+ #ifdef CONFIG_JFS_POSIX_ACL
+ sb->s_flags |= MS_POSIXACL;
+ #endif
++ /* map mount option tagxid */
++ if (sbi->flag & JFS_TAGGED)
++ sb->s_flags |= MS_TAGGED;
+
+ if (newLVSize) {
+ printk(KERN_ERR "resize option for remount only\n");
+diff -NurpP --minimal linux-3.4.45/fs/libfs.c linux-3.4.45-vs2.3.3.9/fs/libfs.c
+--- linux-3.4.45/fs/libfs.c 2012-05-21 16:07:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/libfs.c 2012-05-21 16:15:05.000000000 +0000
+@@ -135,7 +135,8 @@ static inline unsigned char dt_type(stru
+ * both impossible due to the lock on directory.
+ */
+
+-int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
++static inline int do_dcache_readdir_filter(struct file *filp,
++ void *dirent, filldir_t filldir, int (*filter)(struct dentry *dentry))
+ {
+ struct dentry *dentry = filp->f_path.dentry;
+ struct dentry *cursor = filp->private_data;
+@@ -166,6 +167,8 @@ int dcache_readdir(struct file * filp, v
+ for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
+ struct dentry *next;
+ next = list_entry(p, struct dentry, d_u.d_child);
++ if (filter && !filter(next))
++ continue;
+ spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
+ if (!simple_positive(next)) {
+ spin_unlock(&next->d_lock);
+@@ -192,6 +195,17 @@ int dcache_readdir(struct file * filp, v
+ return 0;
+ }
+
++int dcache_readdir(struct file *filp, void *dirent, filldir_t filldir)
++{
++ return do_dcache_readdir_filter(filp, dirent, filldir, NULL);
++}
++
++int dcache_readdir_filter(struct file *filp, void *dirent, filldir_t filldir,
++ int (*filter)(struct dentry *))
++{
++ return do_dcache_readdir_filter(filp, dirent, filldir, filter);
++}
++
+ ssize_t generic_read_dir(struct file *filp, char __user *buf, size_t siz, loff_t *ppos)
+ {
+ return -EISDIR;
+@@ -983,6 +997,7 @@ EXPORT_SYMBOL(dcache_dir_close);
+ EXPORT_SYMBOL(dcache_dir_lseek);
+ EXPORT_SYMBOL(dcache_dir_open);
+ EXPORT_SYMBOL(dcache_readdir);
++EXPORT_SYMBOL(dcache_readdir_filter);
+ EXPORT_SYMBOL(generic_read_dir);
+ EXPORT_SYMBOL(mount_pseudo);
+ EXPORT_SYMBOL(simple_write_begin);
+diff -NurpP --minimal linux-3.4.45/fs/locks.c linux-3.4.45-vs2.3.3.9/fs/locks.c
+--- linux-3.4.45/fs/locks.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/locks.c 2012-09-01 08:50:49.000000000 +0000
+@@ -126,6 +126,8 @@
+ #include <linux/time.h>
+ #include <linux/rcupdate.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/uaccess.h>
+
+@@ -184,11 +186,17 @@ static void locks_init_lock_heads(struct
+ /* Allocate an empty lock structure. */
+ struct file_lock *locks_alloc_lock(void)
+ {
+- struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
++ struct file_lock *fl;
+
+- if (fl)
+- locks_init_lock_heads(fl);
++ if (!vx_locks_avail(1))
++ return NULL;
+
++ fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
++
++ if (fl) {
++ locks_init_lock_heads(fl);
++ fl->fl_xid = -1;
++ }
+ return fl;
+ }
+ EXPORT_SYMBOL_GPL(locks_alloc_lock);
+@@ -216,6 +224,7 @@ void locks_free_lock(struct file_lock *f
+ BUG_ON(!list_empty(&fl->fl_block));
+ BUG_ON(!list_empty(&fl->fl_link));
+
++ vx_locks_dec(fl);
+ locks_release_private(fl);
+ kmem_cache_free(filelock_cache, fl);
+ }
+@@ -225,6 +234,7 @@ void locks_init_lock(struct file_lock *f
+ {
+ memset(fl, 0, sizeof(struct file_lock));
+ locks_init_lock_heads(fl);
++ fl->fl_xid = -1;
+ }
+
+ EXPORT_SYMBOL(locks_init_lock);
+@@ -265,6 +275,7 @@ void locks_copy_lock(struct file_lock *n
+ new->fl_file = fl->fl_file;
+ new->fl_ops = fl->fl_ops;
+ new->fl_lmops = fl->fl_lmops;
++ new->fl_xid = fl->fl_xid;
+
+ locks_copy_private(new, fl);
+ }
+@@ -303,6 +314,11 @@ static int flock_make_lock(struct file *
+ fl->fl_flags = FL_FLOCK;
+ fl->fl_type = type;
+ fl->fl_end = OFFSET_MAX;
++
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ fl->fl_xid = filp->f_xid;
++ vx_locks_inc(fl);
+
+ *lock = fl;
+ return 0;
+@@ -452,6 +468,7 @@ static int lease_init(struct file *filp,
+
+ fl->fl_owner = current->files;
+ fl->fl_pid = current->tgid;
++ fl->fl_xid = vx_current_xid();
+
+ fl->fl_file = filp;
+ fl->fl_flags = FL_LEASE;
+@@ -471,6 +488,11 @@ static struct file_lock *lease_alloc(str
+ if (fl == NULL)
+ return ERR_PTR(error);
+
++ fl->fl_xid = vx_current_xid();
++ if (filp)
++ vxd_assert(filp->f_xid == fl->fl_xid,
++ "f_xid(%d) == fl_xid(%d)", filp->f_xid, fl->fl_xid);
++ vx_locks_inc(fl);
+ error = lease_init(filp, type, fl);
+ if (error) {
+ locks_free_lock(fl);
+@@ -773,6 +795,7 @@ static int flock_lock_file(struct file *
+ lock_flocks();
+ }
+
++ new_fl->fl_xid = -1;
+ find_conflict:
+ for_each_lock(inode, before) {
+ struct file_lock *fl = *before;
+@@ -793,6 +816,7 @@ find_conflict:
+ goto out;
+ locks_copy_lock(new_fl, request);
+ locks_insert_lock(before, new_fl);
++ vx_locks_inc(new_fl);
+ new_fl = NULL;
+ error = 0;
+
+@@ -803,7 +827,8 @@ out:
+ return error;
+ }
+
+-static int __posix_lock_file(struct inode *inode, struct file_lock *request, struct file_lock *conflock)
++static int __posix_lock_file(struct inode *inode, struct file_lock *request,
++ struct file_lock *conflock, xid_t xid)
+ {
+ struct file_lock *fl;
+ struct file_lock *new_fl = NULL;
+@@ -813,6 +838,8 @@ static int __posix_lock_file(struct inod
+ struct file_lock **before;
+ int error, added = 0;
+
++ vxd_assert(xid == vx_current_xid(),
++ "xid(%d) == current(%d)", xid, vx_current_xid());
+ /*
+ * We may need two file_lock structures for this operation,
+ * so we get them in advance to avoid races.
+@@ -823,7 +850,11 @@ static int __posix_lock_file(struct inod
+ (request->fl_type != F_UNLCK ||
+ request->fl_start != 0 || request->fl_end != OFFSET_MAX)) {
+ new_fl = locks_alloc_lock();
++ new_fl->fl_xid = xid;
++ vx_locks_inc(new_fl);
+ new_fl2 = locks_alloc_lock();
++ new_fl2->fl_xid = xid;
++ vx_locks_inc(new_fl2);
+ }
+
+ lock_flocks();
+@@ -1022,7 +1053,8 @@ static int __posix_lock_file(struct inod
+ int posix_lock_file(struct file *filp, struct file_lock *fl,
+ struct file_lock *conflock)
+ {
+- return __posix_lock_file(filp->f_path.dentry->d_inode, fl, conflock);
++ return __posix_lock_file(filp->f_path.dentry->d_inode,
++ fl, conflock, filp->f_xid);
+ }
+ EXPORT_SYMBOL(posix_lock_file);
+
+@@ -1112,7 +1144,7 @@ int locks_mandatory_area(int read_write,
+ fl.fl_end = offset + count - 1;
+
+ for (;;) {
+- error = __posix_lock_file(inode, &fl, NULL);
++ error = __posix_lock_file(inode, &fl, NULL, filp->f_xid);
+ if (error != FILE_LOCK_DEFERRED)
+ break;
+ error = wait_event_interruptible(fl.fl_wait, !fl.fl_next);
+@@ -1407,6 +1439,7 @@ int generic_add_lease(struct file *filp,
+ goto out;
+
+ locks_insert_lock(before, lease);
++ vx_locks_inc(lease);
+ return 0;
+
+ out:
+@@ -1847,6 +1880,11 @@ int fcntl_setlk(unsigned int fd, struct
+ if (file_lock == NULL)
+ return -ENOLCK;
+
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ file_lock->fl_xid = filp->f_xid;
++ vx_locks_inc(file_lock);
++
+ /*
+ * This might block, so we do it before checking the inode.
+ */
+@@ -1965,6 +2003,11 @@ int fcntl_setlk64(unsigned int fd, struc
+ if (file_lock == NULL)
+ return -ENOLCK;
+
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ file_lock->fl_xid = filp->f_xid;
++ vx_locks_inc(file_lock);
++
+ /*
+ * This might block, so we do it before checking the inode.
+ */
+@@ -2230,8 +2273,11 @@ static int locks_show(struct seq_file *f
+
+ lock_get_status(f, fl, *((loff_t *)f->private), "");
+
+- list_for_each_entry(bfl, &fl->fl_block, fl_block)
++ list_for_each_entry(bfl, &fl->fl_block, fl_block) {
++ if (!vx_check(fl->fl_xid, VS_WATCH_P | VS_IDENT))
++ continue;
+ lock_get_status(f, bfl, *((loff_t *)f->private), " ->");
++ }
+
+ return 0;
+ }
+diff -NurpP --minimal linux-3.4.45/fs/mount.h linux-3.4.45-vs2.3.3.9/fs/mount.h
+--- linux-3.4.45/fs/mount.h 2012-03-19 18:47:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/mount.h 2012-05-21 16:15:05.000000000 +0000
+@@ -47,6 +47,7 @@ struct mount {
+ int mnt_expiry_mark; /* true if marked for expiry */
+ int mnt_pinned;
+ int mnt_ghosts;
++ tag_t mnt_tag; /* tagging used for vfsmount */
+ };
+
+ static inline struct mount *real_mount(struct vfsmount *mnt)
+diff -NurpP --minimal linux-3.4.45/fs/namei.c linux-3.4.45-vs2.3.3.9/fs/namei.c
+--- linux-3.4.45/fs/namei.c 2012-05-21 16:07:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/namei.c 2012-05-21 16:15:05.000000000 +0000
+@@ -33,6 +33,14 @@
+ #include <linux/device_cgroup.h>
+ #include <linux/fs_struct.h>
+ #include <linux/posix_acl.h>
++#include <linux/proc_fs.h>
++#include <linux/vserver/inode.h>
++#include <linux/vs_base.h>
++#include <linux/vs_tag.h>
++#include <linux/vs_cowbl.h>
++#include <linux/vs_device.h>
++#include <linux/vs_context.h>
++#include <linux/pid_namespace.h>
+ #include <asm/uaccess.h>
+
+ #include "internal.h"
+@@ -221,6 +229,89 @@ static int check_acl(struct inode *inode
+ return -EAGAIN;
+ }
+
++static inline int dx_barrier(const struct inode *inode)
++{
++ if (IS_BARRIER(inode) && !vx_check(0, VS_ADMIN | VS_WATCH)) {
++ vxwprintk_task(1, "did hit the barrier.");
++ return 1;
++ }
++ return 0;
++}
++
++static int __dx_permission(const struct inode *inode, int mask)
++{
++ if (dx_barrier(inode))
++ return -EACCES;
++
++ if (inode->i_sb->s_magic == DEVPTS_SUPER_MAGIC) {
++ /* devpts is xid tagged */
++ if (S_ISDIR(inode->i_mode) ||
++ vx_check((xid_t)inode->i_tag, VS_IDENT | VS_WATCH_P))
++ return 0;
++
++ /* just pretend we didn't find anything */
++ return -ENOENT;
++ }
++ else if (inode->i_sb->s_magic == PROC_SUPER_MAGIC) {
++ struct proc_dir_entry *de = PDE(inode);
++
++ if (de && !vx_hide_check(0, de->vx_flags))
++ goto out;
++
++ if ((mask & (MAY_WRITE | MAY_APPEND))) {
++ struct pid *pid;
++ struct task_struct *tsk;
++
++ if (vx_check(0, VS_ADMIN | VS_WATCH_P) ||
++ vx_flags(VXF_STATE_SETUP, 0))
++ return 0;
++
++ pid = PROC_I(inode)->pid;
++ if (!pid)
++ goto out;
++
++ rcu_read_lock();
++ tsk = pid_task(pid, PIDTYPE_PID);
++ vxdprintk(VXD_CBIT(tag, 0), "accessing %p[#%u]",
++ tsk, (tsk ? vx_task_xid(tsk) : 0));
++ if (tsk &&
++ vx_check(vx_task_xid(tsk), VS_IDENT | VS_WATCH_P)) {
++ rcu_read_unlock();
++ return 0;
++ }
++ rcu_read_unlock();
++ }
++ else {
++ /* FIXME: Should we block some entries here? */
++ return 0;
++ }
++ }
++ else {
++ if (dx_notagcheck(inode->i_sb) ||
++ dx_check(inode->i_tag, DX_HOSTID | DX_ADMIN | DX_WATCH |
++ DX_IDENT))
++ return 0;
++ }
++
++out:
++ return -EACCES;
++}
++
++int dx_permission(const struct inode *inode, int mask)
++{
++ int ret = __dx_permission(inode, mask);
++ if (unlikely(ret)) {
++#ifndef CONFIG_VSERVER_WARN_DEVPTS
++ if (inode->i_sb->s_magic != DEVPTS_SUPER_MAGIC)
++#endif
++ vxwprintk_task(1,
++ "denied [0x%x] access to inode %s:%p[#%d,%lu]",
++ mask, inode->i_sb->s_id, inode, inode->i_tag,
++ inode->i_ino);
++ }
++ return ret;
++}
++
+ /*
+ * This does the basic permission checking
+ */
+@@ -356,10 +447,14 @@ int inode_permission(struct inode *inode
+ /*
+ * Nobody gets write access to an immutable file.
+ */
+- if (IS_IMMUTABLE(inode))
++ if (IS_IMMUTABLE(inode) && !IS_COW(inode))
+ return -EACCES;
+ }
+
++ retval = dx_permission(inode, mask);
++ if (retval)
++ return retval;
++
+ retval = do_inode_permission(inode, mask);
+ if (retval)
+ return retval;
+@@ -1038,7 +1133,8 @@ static void follow_dotdot(struct nameida
+
+ if (nd->path.dentry == nd->root.dentry &&
+ nd->path.mnt == nd->root.mnt) {
+- break;
++ /* for sane '/' avoid follow_mount() */
++ return;
+ }
+ if (nd->path.dentry != nd->path.mnt->mnt_root) {
+ /* rare case of legitimate dget_parent()... */
+@@ -1174,6 +1270,9 @@ static int do_lookup(struct nameidata *n
+ goto unlazy;
+ }
+ }
++
++ /* FIXME: check dx permission */
++
+ path->mnt = mnt;
+ path->dentry = dentry;
+ if (unlikely(!__follow_mount_rcu(nd, path, inode)))
+@@ -1208,6 +1307,9 @@ unlazy:
+ goto need_lookup;
+ }
+ }
++
++ /* FIXME: check dx permission */
++
+ done:
+ path->mnt = mnt;
+ path->dentry = dentry;
+@@ -1981,7 +2083,7 @@ static int may_delete(struct inode *dir,
+ if (IS_APPEND(dir))
+ return -EPERM;
+ if (check_sticky(dir, victim->d_inode)||IS_APPEND(victim->d_inode)||
+- IS_IMMUTABLE(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
++ IS_IXORUNLINK(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
+ return -EPERM;
+ if (isdir) {
+ if (!S_ISDIR(victim->d_inode->i_mode))
+@@ -2061,19 +2163,25 @@ int vfs_create(struct inode *dir, struct
+ {
+ int error = may_create(dir, dentry);
+
+- if (error)
++ if (error) {
++ vxdprintk(VXD_CBIT(misc, 3), "may_create failed with %d", error);
+ return error;
++ }
+
+ if (!dir->i_op->create)
+ return -EACCES; /* shouldn't it be ENOSYS? */
+ mode &= S_IALLUGO;
+ mode |= S_IFREG;
+ error = security_inode_create(dir, dentry, mode);
+- if (error)
++ if (error) {
++ vxdprintk(VXD_CBIT(misc, 3), "security_inode_create failed with %d", error);
+ return error;
++ }
+ error = dir->i_op->create(dir, dentry, mode, nd);
+ if (!error)
+ fsnotify_create(dir, dentry);
++ else
++ vxdprintk(VXD_CBIT(misc, 3), "i_op->create failed with %d", error);
+ return error;
+ }
+
+@@ -2108,6 +2216,15 @@ static int may_open(struct path *path, i
+ break;
+ }
+
++#ifdef CONFIG_VSERVER_COWBL
++ if (IS_COW(inode) &&
++ ((flag & O_ACCMODE) != O_RDONLY)) {
++ if (IS_COW_LINK(inode))
++ return -EMLINK;
++ inode->i_flags &= ~(S_IXUNLINK|S_IMMUTABLE);
++ mark_inode_dirty(inode);
++ }
++#endif
+ error = inode_permission(inode, acc_mode);
+ if (error)
+ return error;
+@@ -2332,6 +2449,16 @@ ok:
+ }
+ common:
+ error = may_open(&nd->path, acc_mode, open_flag);
++#ifdef CONFIG_VSERVER_COWBL
++ if (error == -EMLINK) {
++ struct dentry *dentry;
++ dentry = cow_break_link(pathname);
++ if (IS_ERR(dentry))
++ error = PTR_ERR(dentry);
++ else
++ dput(dentry);
++ }
++#endif
+ if (error)
+ goto exit;
+ filp = nameidata_to_filp(nd);
+@@ -2374,6 +2501,7 @@ static struct file *path_openat(int dfd,
+ struct path path;
+ int error;
+
++restart:
+ filp = get_empty_filp();
+ if (!filp)
+ return ERR_PTR(-ENFILE);
+@@ -2411,6 +2539,17 @@ static struct file *path_openat(int dfd,
+ filp = do_last(nd, &path, op, pathname);
+ put_link(nd, &link, cookie);
+ }
++
++#ifdef CONFIG_VSERVER_COWBL
++ if (filp == ERR_PTR(-EMLINK)) {
++ if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT))
++ path_put(&nd->root);
++ if (base)
++ fput(base);
++ release_open_intent(nd);
++ goto restart;
++ }
++#endif
+ out:
+ if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT))
+ path_put(&nd->root);
+@@ -2500,6 +2639,11 @@ struct dentry *kern_path_create(int dfd,
+ goto fail;
+ }
+ *path = nd.path;
++ vxdprintk(VXD_CBIT(misc, 3), "kern_path_create path.dentry = %p (%.*s), dentry = %p (%.*s), d_inode = %p",
++ path->dentry, path->dentry->d_name.len,
++ path->dentry->d_name.name, dentry,
++ dentry->d_name.len, dentry->d_name.name,
++ path->dentry->d_inode);
+ return dentry;
+ eexist:
+ dput(dentry);
+@@ -2986,7 +3130,7 @@ int vfs_link(struct dentry *old_dentry,
+ /*
+ * A link to an append-only or immutable file cannot be created.
+ */
+- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
++ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
+ return -EPERM;
+ if (!dir->i_op->link)
+ return -EPERM;
+@@ -3375,6 +3519,253 @@ int vfs_follow_link(struct nameidata *nd
+ return __vfs_follow_link(nd, link);
+ }
+
++
++#ifdef CONFIG_VSERVER_COWBL
++
++static inline
++long do_cow_splice(struct file *in, struct file *out, size_t len)
++{
++ loff_t ppos = 0;
++
++ return do_splice_direct(in, &ppos, out, len, 0);
++}
++
++extern unsigned int mnt_get_count(struct mount *mnt);
++
++struct dentry *cow_break_link(const char *pathname)
++{
++ int ret, mode, pathlen, redo = 0;
++ struct nameidata old_nd, dir_nd;
++ struct path old_path, dir_path;
++ struct dentry *dir, *old_dentry, *new_dentry = NULL;
++ struct file *old_file;
++ struct file *new_file;
++ char *to, *path, pad='\251';
++ loff_t size;
++
++ vxdprintk(VXD_CBIT(misc, 1),
++ "cow_break_link(" VS_Q("%s") ")", pathname);
++ path = kmalloc(PATH_MAX, GFP_KERNEL);
++ ret = -ENOMEM;
++ if (!path)
++ goto out;
++
++ /* old_nd will have refs to dentry and mnt */
++ ret = do_path_lookup(AT_FDCWD, pathname, LOOKUP_FOLLOW, &old_nd);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "do_path_lookup(old): %d [r=%d]",
++ ret, mnt_get_count(real_mount(old_nd.path.mnt)));
++ if (ret < 0)
++ goto out_free_path;
++
++ old_path = old_nd.path;
++ old_dentry = old_path.dentry;
++ mode = old_dentry->d_inode->i_mode;
++
++ to = d_path(&old_path, path, PATH_MAX-2);
++ pathlen = strlen(to);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "old path " VS_Q("%s") " [%p:" VS_Q("%.*s") ":%d]", to,
++ old_dentry,
++ old_dentry->d_name.len, old_dentry->d_name.name,
++ old_dentry->d_name.len);
++
++ to[pathlen + 1] = 0;
++retry:
++ new_dentry = NULL;
++ to[pathlen] = pad--;
++ ret = -ELOOP;
++ if (pad <= '\240')
++ goto out_rel_old;
++
++ vxdprintk(VXD_CBIT(misc, 1), "temp copy " VS_Q("%s"), to);
++ /* dir_nd will have refs to dentry and mnt */
++ ret = do_path_lookup(AT_FDCWD, to,
++ LOOKUP_PARENT | LOOKUP_OPEN | LOOKUP_CREATE, &dir_nd);
++ vxdprintk(VXD_CBIT(misc, 2), "do_path_lookup(new): %d", ret);
++ if (ret < 0)
++ goto retry;
++
++ /* this puppy downs the dir inode mutex if successful */
++ new_dentry = kern_path_create(AT_FDCWD, to, &dir_path, 0);
++ if (!new_dentry || IS_ERR(new_dentry)) {
++ path_put(&dir_nd.path);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "kern_path_create(new) failed with %ld",
++ PTR_ERR(new_dentry));
++ goto retry;
++ }
++ path_put(&dir_path);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "kern_path_create(new): %p [" VS_Q("%.*s") ":%d]",
++ new_dentry,
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len);
++
++ dir = dir_nd.path.dentry;
++
++ ret = vfs_create(dir->d_inode, new_dentry, mode, &dir_nd);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "vfs_create(new): %d", ret);
++ if (ret == -EEXIST) {
++ mutex_unlock(&dir->d_inode->i_mutex);
++ path_put(&dir_nd.path);
++ dput(new_dentry);
++ goto retry;
++ }
++ else if (ret < 0)
++ goto out_unlock_new;
++
++ /* drop out early, ret passes ENOENT */
++ ret = -ENOENT;
++ if ((redo = d_unhashed(old_dentry)))
++ goto out_unlock_new;
++
++ path_get(&old_path);
++ /* this one cleans up the dentry/mnt in case of failure */
++ old_file = dentry_open(old_dentry, old_path.mnt,
++ O_RDONLY, current_cred());
++ vxdprintk(VXD_CBIT(misc, 2),
++ "dentry_open(old): %p", old_file);
++ if (IS_ERR(old_file)) {
++ ret = PTR_ERR(old_file);
++ goto out_unlock_new;
++ }
++
++ dget(new_dentry);
++ mntget(old_path.mnt);
++ /* this one cleans up the dentry/mnt in case of failure */
++ new_file = dentry_open(new_dentry, old_path.mnt,
++ O_WRONLY, current_cred());
++ vxdprintk(VXD_CBIT(misc, 2),
++ "dentry_open(new): %p", new_file);
++ if (IS_ERR(new_file)) {
++ ret = PTR_ERR(new_file);
++ goto out_fput_old;
++ }
++
++ size = i_size_read(old_file->f_dentry->d_inode);
++ ret = do_cow_splice(old_file, new_file, size);
++ vxdprintk(VXD_CBIT(misc, 2), "do_splice_direct: %d", ret);
++ if (ret < 0) {
++ goto out_fput_both;
++ } else if (ret < size) {
++ ret = -ENOSPC;
++ goto out_fput_both;
++ } else {
++ struct inode *old_inode = old_dentry->d_inode;
++ struct inode *new_inode = new_dentry->d_inode;
++ struct iattr attr = {
++ .ia_uid = old_inode->i_uid,
++ .ia_gid = old_inode->i_gid,
++ .ia_valid = ATTR_UID | ATTR_GID
++ };
++
++ setattr_copy(new_inode, &attr);
++ mark_inode_dirty(new_inode);
++ }
++
++ mutex_lock(&old_dentry->d_inode->i_sb->s_vfs_rename_mutex);
++
++ /* drop out late */
++ ret = -ENOENT;
++ if ((redo = d_unhashed(old_dentry)))
++ goto out_unlock;
++
++ vxdprintk(VXD_CBIT(misc, 2),
++ "vfs_rename: [" VS_Q("%*s") ":%d] -> [" VS_Q("%*s") ":%d]",
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len,
++ old_dentry->d_name.len, old_dentry->d_name.name,
++ old_dentry->d_name.len);
++ ret = vfs_rename(dir_nd.path.dentry->d_inode, new_dentry,
++ old_dentry->d_parent->d_inode, old_dentry);
++ vxdprintk(VXD_CBIT(misc, 2), "vfs_rename: %d", ret);
++
++out_unlock:
++ mutex_unlock(&old_dentry->d_inode->i_sb->s_vfs_rename_mutex);
++
++out_fput_both:
++ vxdprintk(VXD_CBIT(misc, 3),
++ "fput(new_file=%p[#%ld])", new_file,
++ atomic_long_read(&new_file->f_count));
++ fput(new_file);
++
++out_fput_old:
++ vxdprintk(VXD_CBIT(misc, 3),
++ "fput(old_file=%p[#%ld])", old_file,
++ atomic_long_read(&old_file->f_count));
++ fput(old_file);
++
++out_unlock_new:
++ mutex_unlock(&dir->d_inode->i_mutex);
++ if (!ret)
++ goto out_redo;
++
++ /* error path cleanup */
++ vfs_unlink(dir->d_inode, new_dentry);
++
++out_redo:
++ if (!redo)
++ goto out_rel_both;
++ /* lookup dentry once again */
++ /* old_nd.path is freed as old_path in out_rel_old */
++ ret = do_path_lookup(AT_FDCWD, pathname, LOOKUP_FOLLOW, &old_nd);
++ if (ret)
++ goto out_rel_both;
++
++ dput(new_dentry);
++ new_dentry = old_nd.path.dentry;
++ vxdprintk(VXD_CBIT(misc, 2),
++ "do_path_lookup(redo): %p [" VS_Q("%.*s") ":%d]",
++ new_dentry,
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len);
++ dget(new_dentry);
++
++out_rel_both:
++ path_put(&dir_nd.path);
++out_rel_old:
++ path_put(&old_path);
++out_free_path:
++ kfree(path);
++out:
++ if (ret) {
++ dput(new_dentry);
++ new_dentry = ERR_PTR(ret);
++ }
++ vxdprintk(VXD_CBIT(misc, 3),
++ "cow_break_link returning with %p [r=%d]",
++ new_dentry, mnt_get_count(real_mount(old_nd.path.mnt)));
++ return new_dentry;
++}
++
++#endif
++
++int vx_info_mnt_namespace(struct mnt_namespace *ns, char *buffer)
++{
++ struct path path;
++ struct vfsmount *vmnt;
++ char *pstr, *root;
++ int length = 0;
++
++ pstr = kmalloc(PATH_MAX, GFP_KERNEL);
++ if (!pstr)
++ return 0;
++
++ vmnt = &ns->root->mnt;
++ path.mnt = vmnt;
++ path.dentry = vmnt->mnt_root;
++ root = d_path(&path, pstr, PATH_MAX - 2);
++ length = sprintf(buffer + length,
++ "Namespace:\t%p [#%u]\n"
++ "RootPath:\t%s\n",
++ ns, atomic_read(&ns->count),
++ root);
++ kfree(pstr);
++ return length;
++}
++
+ /* get the link contents into pagecache */
+ static char *page_getlink(struct dentry * dentry, struct page **ppage)
+ {
+@@ -3499,3 +3890,4 @@ EXPORT_SYMBOL(vfs_symlink);
+ EXPORT_SYMBOL(vfs_unlink);
+ EXPORT_SYMBOL(dentry_unhash);
+ EXPORT_SYMBOL(generic_readlink);
++EXPORT_SYMBOL(vx_info_mnt_namespace);
+diff -NurpP --minimal linux-3.4.45/fs/namespace.c linux-3.4.45-vs2.3.3.9/fs/namespace.c
+--- linux-3.4.45/fs/namespace.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/namespace.c 2012-06-28 14:45:07.000000000 +0000
+@@ -20,6 +20,11 @@
+ #include <linux/fs_struct.h> /* get_fs_root et.al. */
+ #include <linux/fsnotify.h> /* fsnotify_vfsmount_delete */
+ #include <linux/uaccess.h>
++#include <linux/vs_base.h>
++#include <linux/vs_context.h>
++#include <linux/vs_tag.h>
++#include <linux/vserver/space.h>
++#include <linux/vserver/global.h>
+ #include "pnode.h"
+ #include "internal.h"
+
+@@ -697,6 +702,10 @@ vfs_kern_mount(struct file_system_type *
+ if (!type)
+ return ERR_PTR(-ENODEV);
+
++ if ((type->fs_flags & FS_BINARY_MOUNTDATA) &&
++ !vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT))
++ return ERR_PTR(-EPERM);
++
+ mnt = alloc_vfsmnt(name);
+ if (!mnt)
+ return ERR_PTR(-ENOMEM);
+@@ -745,6 +754,7 @@ static struct mount *clone_mnt(struct mo
+ mnt->mnt.mnt_root = dget(root);
+ mnt->mnt_mountpoint = mnt->mnt.mnt_root;
+ mnt->mnt_parent = mnt;
++ mnt->mnt_tag = old->mnt_tag;
+ br_write_lock(vfsmount_lock);
+ list_add_tail(&mnt->mnt_instance, &sb->s_mounts);
+ br_write_unlock(vfsmount_lock);
+@@ -1210,7 +1220,7 @@ SYSCALL_DEFINE2(umount, char __user *, n
+ goto dput_and_out;
+
+ retval = -EPERM;
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ goto dput_and_out;
+
+ retval = do_umount(mnt, flags);
+@@ -1236,7 +1246,7 @@ SYSCALL_DEFINE1(oldumount, char __user *
+
+ static int mount_is_safe(struct path *path)
+ {
+- if (capable(CAP_SYS_ADMIN))
++ if (vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return 0;
+ return -EPERM;
+ #ifdef notyet
+@@ -1549,7 +1559,7 @@ static int do_change_type(struct path *p
+ int type;
+ int err = 0;
+
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_NAMESPACE))
+ return -EPERM;
+
+ if (path->dentry != path->mnt->mnt_root)
+@@ -1565,6 +1575,7 @@ static int do_change_type(struct path *p
+ if (err)
+ goto out_unlock;
+ }
++ // mnt->mnt_flags = mnt_flags;
+
+ br_write_lock(vfsmount_lock);
+ for (m = mnt; m; m = (recurse ? next_mnt(m, mnt) : NULL))
+@@ -1580,12 +1591,14 @@ static int do_change_type(struct path *p
+ * do loopback mount.
+ */
+ static int do_loopback(struct path *path, char *old_name,
+- int recurse)
++ tag_t tag, unsigned long flags, int mnt_flags)
+ {
+ LIST_HEAD(umount_list);
+ struct path old_path;
+ struct mount *mnt = NULL, *old;
+ int err = mount_is_safe(path);
++ int recurse = flags & MS_REC;
++
+ if (err)
+ return err;
+ if (!old_name || !*old_name)
+@@ -1653,13 +1666,13 @@ static int change_mount_flags(struct vfs
+ * on it - tough luck.
+ */
+ static int do_remount(struct path *path, int flags, int mnt_flags,
+- void *data)
++ void *data, xid_t xid)
+ {
+ int err;
+ struct super_block *sb = path->mnt->mnt_sb;
+ struct mount *mnt = real_mount(path->mnt);
+
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_REMOUNT))
+ return -EPERM;
+
+ if (!check_mnt(mnt))
+@@ -1708,7 +1721,7 @@ static int do_move_mount(struct path *pa
+ struct mount *p;
+ struct mount *old;
+ int err = 0;
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return -EPERM;
+ if (!old_name || !*old_name)
+ return -EINVAL;
+@@ -1859,7 +1872,7 @@ static int do_new_mount(struct path *pat
+ return -EINVAL;
+
+ /* we need capabilities... */
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return -EPERM;
+
+ mnt = do_kern_mount(type, flags, name, data);
+@@ -2129,6 +2142,7 @@ long do_mount(char *dev_name, char *dir_
+ struct path path;
+ int retval = 0;
+ int mnt_flags = 0;
++ tag_t tag = 0;
+
+ /* Discard magic */
+ if ((flags & MS_MGC_MSK) == MS_MGC_VAL)
+@@ -2156,6 +2170,12 @@ long do_mount(char *dev_name, char *dir_
+ if (!(flags & MS_NOATIME))
+ mnt_flags |= MNT_RELATIME;
+
++ if (dx_parse_tag(data_page, &tag, 1, &mnt_flags, &flags)) {
++ /* FIXME: bind and re-mounts get the tag flag? */
++ if (flags & (MS_BIND|MS_REMOUNT))
++ flags |= MS_TAGID;
++ }
++
+ /* Separate the per-mountpoint flags */
+ if (flags & MS_NOSUID)
+ mnt_flags |= MNT_NOSUID;
+@@ -2172,15 +2192,17 @@ long do_mount(char *dev_name, char *dir_
+ if (flags & MS_RDONLY)
+ mnt_flags |= MNT_READONLY;
+
++ if (!capable(CAP_SYS_ADMIN))
++ mnt_flags |= MNT_NODEV;
+ flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | MS_BORN |
+ MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
+ MS_STRICTATIME);
+
+ if (flags & MS_REMOUNT)
+ retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
+- data_page);
++ data_page, tag);
+ else if (flags & MS_BIND)
+- retval = do_loopback(&path, dev_name, flags & MS_REC);
++ retval = do_loopback(&path, dev_name, tag, flags, mnt_flags);
+ else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
+ retval = do_change_type(&path, flags);
+ else if (flags & MS_MOVE)
+@@ -2283,6 +2305,7 @@ static struct mnt_namespace *dup_mnt_ns(
+ q = next_mnt(q, new);
+ }
+ up_write(&namespace_sem);
++ atomic_inc(&vs_global_mnt_ns);
+
+ if (rootmnt)
+ mntput(rootmnt);
+@@ -2479,9 +2502,10 @@ SYSCALL_DEFINE2(pivot_root, const char _
+ error = -EINVAL;
+ new_mnt = real_mount(new.mnt);
+ root_mnt = real_mount(root.mnt);
+- if (IS_MNT_SHARED(real_mount(old.mnt)) ||
++ if ((IS_MNT_SHARED(real_mount(old.mnt)) ||
+ IS_MNT_SHARED(new_mnt->mnt_parent) ||
+- IS_MNT_SHARED(root_mnt->mnt_parent))
++ IS_MNT_SHARED(root_mnt->mnt_parent)) &&
++ !vx_flags(VXF_STATE_SETUP, 0))
+ goto out4;
+ if (!check_mnt(root_mnt) || !check_mnt(new_mnt))
+ goto out4;
+@@ -2602,6 +2626,7 @@ void put_mnt_ns(struct mnt_namespace *ns
+ br_write_unlock(vfsmount_lock);
+ up_write(&namespace_sem);
+ release_mounts(&umount_list);
++ atomic_dec(&vs_global_mnt_ns);
+ kfree(ns);
+ }
+
+diff -NurpP --minimal linux-3.4.45/fs/nfs/client.c linux-3.4.45-vs2.3.3.9/fs/nfs/client.c
+--- linux-3.4.45/fs/nfs/client.c 2013-05-13 17:36:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/nfs/client.c 2013-01-16 00:15:57.000000000 +0000
+@@ -801,6 +801,9 @@ static int nfs_init_server_rpcclient(str
+ if (server->flags & NFS_MOUNT_SOFT)
+ server->client->cl_softrtry = 1;
+
++ server->client->cl_tag = 0;
++ if (server->flags & NFS_MOUNT_TAGGED)
++ server->client->cl_tag = 1;
+ return 0;
+ }
+
+@@ -976,6 +979,10 @@ static void nfs_server_set_fsinfo(struct
+ server->acdirmin = server->acdirmax = 0;
+ }
+
++ /* FIXME: needs fsinfo
++ if (server->flags & NFS_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED; */
++
+ server->maxfilesize = fsinfo->maxfilesize;
+
+ server->time_delta = fsinfo->time_delta;
+diff -NurpP --minimal linux-3.4.45/fs/nfs/dir.c linux-3.4.45-vs2.3.3.9/fs/nfs/dir.c
+--- linux-3.4.45/fs/nfs/dir.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/nfs/dir.c 2013-01-16 00:15:57.000000000 +0000
+@@ -35,6 +35,7 @@
+ #include <linux/sched.h>
+ #include <linux/kmemleak.h>
+ #include <linux/xattr.h>
++#include <linux/vs_tag.h>
+
+ #include "delegation.h"
+ #include "iostat.h"
+@@ -1314,6 +1315,7 @@ static struct dentry *nfs_lookup(struct
+ if (IS_ERR(res))
+ goto out_unblock_sillyrename;
+
++ dx_propagate_tag(nd, inode);
+ no_entry:
+ res = d_materialise_unique(dentry, inode);
+ if (res != NULL) {
+diff -NurpP --minimal linux-3.4.45/fs/nfs/inode.c linux-3.4.45-vs2.3.3.9/fs/nfs/inode.c
+--- linux-3.4.45/fs/nfs/inode.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/nfs/inode.c 2012-10-22 13:09:53.000000000 +0000
+@@ -40,6 +40,7 @@
+ #include <linux/compat.h>
+ #include <linux/freezer.h>
+ #include <linux/crc32.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/uaccess.h>
+
+@@ -275,6 +276,8 @@ nfs_fhget(struct super_block *sb, struct
+ if (inode->i_state & I_NEW) {
+ struct nfs_inode *nfsi = NFS_I(inode);
+ unsigned long now = jiffies;
++ uid_t uid;
++ gid_t gid;
+
+ /* We set i_ino for the few things that still rely on it,
+ * such as stat(2) */
+@@ -323,8 +326,8 @@ nfs_fhget(struct super_block *sb, struct
+ inode->i_version = 0;
+ inode->i_size = 0;
+ clear_nlink(inode);
+- inode->i_uid = -2;
+- inode->i_gid = -2;
++ uid = -2;
++ gid = -2;
+ inode->i_blocks = 0;
+ memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
+
+@@ -361,13 +364,13 @@ nfs_fhget(struct super_block *sb, struct
+ else if (nfs_server_capable(inode, NFS_CAP_NLINK))
+ nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
+ if (fattr->valid & NFS_ATTR_FATTR_OWNER)
+- inode->i_uid = fattr->uid;
++ uid = fattr->uid;
+ else if (nfs_server_capable(inode, NFS_CAP_OWNER))
+ nfsi->cache_validity |= NFS_INO_INVALID_ATTR
+ | NFS_INO_INVALID_ACCESS
+ | NFS_INO_INVALID_ACL;
+ if (fattr->valid & NFS_ATTR_FATTR_GROUP)
+- inode->i_gid = fattr->gid;
++ gid = fattr->gid;
+ else if (nfs_server_capable(inode, NFS_CAP_OWNER_GROUP))
+ nfsi->cache_validity |= NFS_INO_INVALID_ATTR
+ | NFS_INO_INVALID_ACCESS
+@@ -380,6 +383,11 @@ nfs_fhget(struct super_block *sb, struct
+ */
+ inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
+ }
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid, 0);
++ /* maybe fattr->xid someday */
++
+ nfsi->attrtimeo = NFS_MINATTRTIMEO(inode);
+ nfsi->attrtimeo_timestamp = now;
+ nfsi->access_cache = RB_ROOT;
+@@ -497,6 +505,8 @@ void nfs_setattr_update_inode(struct ino
+ inode->i_uid = attr->ia_uid;
+ if ((attr->ia_valid & ATTR_GID) != 0)
+ inode->i_gid = attr->ia_gid;
++ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+ spin_unlock(&inode->i_lock);
+ }
+@@ -946,6 +956,9 @@ static int nfs_check_inode_attributes(st
+ struct nfs_inode *nfsi = NFS_I(inode);
+ loff_t cur_size, new_isize;
+ unsigned long invalid = 0;
++ uid_t uid;
++ gid_t gid;
++ tag_t tag;
+
+
+ /* Has the inode gone and changed behind our back? */
+@@ -969,13 +982,18 @@ static int nfs_check_inode_attributes(st
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
+ }
+
++ uid = INOTAG_UID(DX_TAG(inode), fattr->uid, fattr->gid);
++ gid = INOTAG_GID(DX_TAG(inode), fattr->uid, fattr->gid);
++ tag = INOTAG_TAG(DX_TAG(inode), fattr->uid, fattr->gid, 0);
++
+ /* Have any file permissions changed? */
+ if ((fattr->valid & NFS_ATTR_FATTR_MODE) && (inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO))
+ invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
+- if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && inode->i_uid != fattr->uid)
++ if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && uid != fattr->uid)
+ invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
+- if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && inode->i_gid != fattr->gid)
++ if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && gid != fattr->gid)
+ invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
++ /* maybe check for tag too? */
+
+ /* Has the link count changed? */
+ if ((fattr->valid & NFS_ATTR_FATTR_NLINK) && inode->i_nlink != fattr->nlink)
+@@ -1273,6 +1291,9 @@ static int nfs_update_inode(struct inode
+ unsigned long invalid = 0;
+ unsigned long now = jiffies;
+ unsigned long save_cache_validity;
++ uid_t uid;
++ gid_t gid;
++ tag_t tag;
+
+ dfprintk(VFS, "NFS: %s(%s/%ld fh_crc=0x%08x ct=%d info=0x%x)\n",
+ __func__, inode->i_sb->s_id, inode->i_ino,
+@@ -1381,6 +1402,9 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_REVAL_PAGECACHE
+ | NFS_INO_REVAL_FORCED);
+
++ uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
++ gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
++ tag = inode->i_tag;
+
+ if (fattr->valid & NFS_ATTR_FATTR_ATIME)
+ memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
+@@ -1402,9 +1426,9 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_REVAL_FORCED);
+
+ if (fattr->valid & NFS_ATTR_FATTR_OWNER) {
+- if (inode->i_uid != fattr->uid) {
++ if (uid != fattr->uid) {
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+- inode->i_uid = fattr->uid;
++ uid = fattr->uid;
+ }
+ } else if (server->caps & NFS_CAP_OWNER)
+ invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
+@@ -1413,9 +1437,9 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_REVAL_FORCED);
+
+ if (fattr->valid & NFS_ATTR_FATTR_GROUP) {
+- if (inode->i_gid != fattr->gid) {
++ if (gid != fattr->gid) {
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+- inode->i_gid = fattr->gid;
++ gid = fattr->gid;
+ }
+ } else if (server->caps & NFS_CAP_OWNER_GROUP)
+ invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
+@@ -1423,6 +1447,10 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_INVALID_ACL
+ | NFS_INO_REVAL_FORCED);
+
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid, tag);
++
+ if (fattr->valid & NFS_ATTR_FATTR_NLINK) {
+ if (inode->i_nlink != fattr->nlink) {
+ invalid |= NFS_INO_INVALID_ATTR;
+diff -NurpP --minimal linux-3.4.45/fs/nfs/nfs3xdr.c linux-3.4.45-vs2.3.3.9/fs/nfs/nfs3xdr.c
+--- linux-3.4.45/fs/nfs/nfs3xdr.c 2012-05-21 16:07:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/nfs/nfs3xdr.c 2012-05-21 16:15:05.000000000 +0000
+@@ -20,6 +20,7 @@
+ #include <linux/nfs3.h>
+ #include <linux/nfs_fs.h>
+ #include <linux/nfsacl.h>
++#include <linux/vs_tag.h>
+ #include "internal.h"
+
+ #define NFSDBG_FACILITY NFSDBG_XDR
+@@ -562,7 +563,8 @@ static __be32 *xdr_decode_nfstime3(__be3
+ * set_mtime mtime;
+ * };
+ */
+-static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
++static void encode_sattr3(struct xdr_stream *xdr,
++ const struct iattr *attr, int tag)
+ {
+ u32 nbytes;
+ __be32 *p;
+@@ -594,15 +596,19 @@ static void encode_sattr3(struct xdr_str
+ } else
+ *p++ = xdr_zero;
+
+- if (attr->ia_valid & ATTR_UID) {
++ if (attr->ia_valid & ATTR_UID ||
++ (tag && (attr->ia_valid & ATTR_TAG))) {
+ *p++ = xdr_one;
+- *p++ = cpu_to_be32(attr->ia_uid);
++ *p++ = cpu_to_be32(TAGINO_UID(tag,
++ attr->ia_uid, attr->ia_tag));
+ } else
+ *p++ = xdr_zero;
+
+- if (attr->ia_valid & ATTR_GID) {
++ if (attr->ia_valid & ATTR_GID ||
++ (tag && (attr->ia_valid & ATTR_TAG))) {
+ *p++ = xdr_one;
+- *p++ = cpu_to_be32(attr->ia_gid);
++ *p++ = cpu_to_be32(TAGINO_GID(tag,
++ attr->ia_gid, attr->ia_tag));
+ } else
+ *p++ = xdr_zero;
+
+@@ -878,7 +884,7 @@ static void nfs3_xdr_enc_setattr3args(st
+ const struct nfs3_sattrargs *args)
+ {
+ encode_nfs_fh3(xdr, args->fh);
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, req->rq_task->tk_client->cl_tag);
+ encode_sattrguard3(xdr, args);
+ }
+
+@@ -1028,13 +1034,13 @@ static void nfs3_xdr_enc_write3args(stru
+ * };
+ */
+ static void encode_createhow3(struct xdr_stream *xdr,
+- const struct nfs3_createargs *args)
++ const struct nfs3_createargs *args, int tag)
+ {
+ encode_uint32(xdr, args->createmode);
+ switch (args->createmode) {
+ case NFS3_CREATE_UNCHECKED:
+ case NFS3_CREATE_GUARDED:
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ break;
+ case NFS3_CREATE_EXCLUSIVE:
+ encode_createverf3(xdr, args->verifier);
+@@ -1049,7 +1055,7 @@ static void nfs3_xdr_enc_create3args(str
+ const struct nfs3_createargs *args)
+ {
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_createhow3(xdr, args);
++ encode_createhow3(xdr, args, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+@@ -1065,7 +1071,7 @@ static void nfs3_xdr_enc_mkdir3args(stru
+ const struct nfs3_mkdirargs *args)
+ {
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+@@ -1082,9 +1088,9 @@ static void nfs3_xdr_enc_mkdir3args(stru
+ * };
+ */
+ static void encode_symlinkdata3(struct xdr_stream *xdr,
+- const struct nfs3_symlinkargs *args)
++ const struct nfs3_symlinkargs *args, int tag)
+ {
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ encode_nfspath3(xdr, args->pages, args->pathlen);
+ }
+
+@@ -1093,7 +1099,7 @@ static void nfs3_xdr_enc_symlink3args(st
+ const struct nfs3_symlinkargs *args)
+ {
+ encode_diropargs3(xdr, args->fromfh, args->fromname, args->fromlen);
+- encode_symlinkdata3(xdr, args);
++ encode_symlinkdata3(xdr, args, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+@@ -1121,24 +1127,24 @@ static void nfs3_xdr_enc_symlink3args(st
+ * };
+ */
+ static void encode_devicedata3(struct xdr_stream *xdr,
+- const struct nfs3_mknodargs *args)
++ const struct nfs3_mknodargs *args, int tag)
+ {
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ encode_specdata3(xdr, args->rdev);
+ }
+
+ static void encode_mknoddata3(struct xdr_stream *xdr,
+- const struct nfs3_mknodargs *args)
++ const struct nfs3_mknodargs *args, int tag)
+ {
+ encode_ftype3(xdr, args->type);
+ switch (args->type) {
+ case NF3CHR:
+ case NF3BLK:
+- encode_devicedata3(xdr, args);
++ encode_devicedata3(xdr, args, tag);
+ break;
+ case NF3SOCK:
+ case NF3FIFO:
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ break;
+ case NF3REG:
+ case NF3DIR:
+@@ -1153,7 +1159,7 @@ static void nfs3_xdr_enc_mknod3args(stru
+ const struct nfs3_mknodargs *args)
+ {
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_mknoddata3(xdr, args);
++ encode_mknoddata3(xdr, args, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+diff -NurpP --minimal linux-3.4.45/fs/nfs/super.c linux-3.4.45-vs2.3.3.9/fs/nfs/super.c
+--- linux-3.4.45/fs/nfs/super.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/nfs/super.c 2013-01-16 00:15:57.000000000 +0000
+@@ -54,6 +54,7 @@
+ #include <linux/parser.h>
+ #include <linux/nsproxy.h>
+ #include <linux/rcupdate.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/uaccess.h>
+
+@@ -86,6 +87,7 @@ enum {
+ Opt_sharecache, Opt_nosharecache,
+ Opt_resvport, Opt_noresvport,
+ Opt_fscache, Opt_nofscache,
++ Opt_tag, Opt_notag,
+
+ /* Mount options that take integer arguments */
+ Opt_port,
+@@ -98,6 +100,7 @@ enum {
+ Opt_mountport,
+ Opt_mountvers,
+ Opt_minorversion,
++ Opt_tagid,
+
+ /* Mount options that take string arguments */
+ Opt_nfsvers,
+@@ -180,6 +183,10 @@ static const match_table_t nfs_mount_opt
+ /* The following needs to be listed after all other options */
+ { Opt_nfsvers, "v%s" },
+
++ { Opt_tag, "tag" },
++ { Opt_notag, "notag" },
++ { Opt_tagid, "tagid=%u" },
++
+ { Opt_err, NULL }
+ };
+
+@@ -674,6 +681,7 @@ static void nfs_show_mount_options(struc
+ { NFS_MOUNT_NORDIRPLUS, ",nordirplus", "" },
+ { NFS_MOUNT_UNSHARED, ",nosharecache", "" },
+ { NFS_MOUNT_NORESVPORT, ",noresvport", "" },
++ { NFS_MOUNT_TAGGED, ",tag", "" },
+ { 0, NULL, NULL }
+ };
+ const struct proc_nfs_info *nfs_infop;
+@@ -1286,6 +1294,14 @@ static int nfs_parse_mount_options(char
+ kfree(mnt->fscache_uniq);
+ mnt->fscache_uniq = NULL;
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ mnt->flags |= NFS_MOUNT_TAGGED;
++ break;
++ case Opt_notag:
++ mnt->flags &= ~NFS_MOUNT_TAGGED;
++ break;
++#endif
+
+ /*
+ * options that take numeric values
+@@ -1372,6 +1388,12 @@ static int nfs_parse_mount_options(char
+ goto out_invalid_value;
+ mnt->minorversion = option;
+ break;
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ nfs_data.flags |= NFS_MOUNT_TAGGED;
++ break;
++#endif
+
+ /*
+ * options that take text values
+diff -NurpP --minimal linux-3.4.45/fs/nfsd/auth.c linux-3.4.45-vs2.3.3.9/fs/nfsd/auth.c
+--- linux-3.4.45/fs/nfsd/auth.c 2010-02-25 10:52:05.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/nfsd/auth.c 2012-05-21 16:15:05.000000000 +0000
+@@ -1,6 +1,7 @@
+ /* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> */
+
+ #include <linux/sched.h>
++#include <linux/vs_tag.h>
+ #include "nfsd.h"
+ #include "auth.h"
+
+@@ -36,6 +37,9 @@ int nfsd_setuser(struct svc_rqst *rqstp,
+
+ new->fsuid = rqstp->rq_cred.cr_uid;
+ new->fsgid = rqstp->rq_cred.cr_gid;
++ /* FIXME: this desperately needs a tag :)
++ new->xid = (xid_t)INOTAG_TAG(DX_TAG_NFSD, cred.cr_uid, cred.cr_gid, 0);
++ */
+
+ rqgi = rqstp->rq_cred.cr_group_info;
+
+diff -NurpP --minimal linux-3.4.45/fs/nfsd/nfs3xdr.c linux-3.4.45-vs2.3.3.9/fs/nfsd/nfs3xdr.c
+--- linux-3.4.45/fs/nfsd/nfs3xdr.c 2012-05-21 16:07:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/nfsd/nfs3xdr.c 2012-05-21 16:15:05.000000000 +0000
+@@ -7,6 +7,7 @@
+ */
+
+ #include <linux/namei.h>
++#include <linux/vs_tag.h>
+ #include "xdr3.h"
+ #include "auth.h"
+
+@@ -95,6 +96,8 @@ static __be32 *
+ decode_sattr3(__be32 *p, struct iattr *iap)
+ {
+ u32 tmp;
++ uid_t uid = 0;
++ gid_t gid = 0;
+
+ iap->ia_valid = 0;
+
+@@ -104,12 +107,15 @@ decode_sattr3(__be32 *p, struct iattr *i
+ }
+ if (*p++) {
+ iap->ia_valid |= ATTR_UID;
+- iap->ia_uid = ntohl(*p++);
++ uid = ntohl(*p++);
+ }
+ if (*p++) {
+ iap->ia_valid |= ATTR_GID;
+- iap->ia_gid = ntohl(*p++);
++ gid = ntohl(*p++);
+ }
++ iap->ia_uid = INOTAG_UID(DX_TAG_NFSD, uid, gid);
++ iap->ia_gid = INOTAG_GID(DX_TAG_NFSD, uid, gid);
++ iap->ia_tag = INOTAG_TAG(DX_TAG_NFSD, uid, gid, 0);
+ if (*p++) {
+ u64 newsize;
+
+@@ -165,8 +171,12 @@ encode_fattr3(struct svc_rqst *rqstp, __
+ *p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]);
+ *p++ = htonl((u32) stat->mode);
+ *p++ = htonl((u32) stat->nlink);
+- *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid));
+- *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid));
++ *p++ = htonl((u32) nfsd_ruid(rqstp,
++ TAGINO_UID(0 /* FIXME: DX_TAG(dentry->d_inode) */,
++ stat->uid, stat->tag)));
++ *p++ = htonl((u32) nfsd_rgid(rqstp,
++ TAGINO_GID(0 /* FIXME: DX_TAG(dentry->d_inode) */,
++ stat->gid, stat->tag)));
+ if (S_ISLNK(stat->mode) && stat->size > NFS3_MAXPATHLEN) {
+ p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
+ } else {
+diff -NurpP --minimal linux-3.4.45/fs/nfsd/nfs4xdr.c linux-3.4.45-vs2.3.3.9/fs/nfsd/nfs4xdr.c
+--- linux-3.4.45/fs/nfsd/nfs4xdr.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/nfsd/nfs4xdr.c 2013-05-13 18:16:08.000000000 +0000
+@@ -46,6 +46,7 @@
+ #include <linux/utsname.h>
+ #include <linux/pagemap.h>
+ #include <linux/sunrpc/svcauth_gss.h>
++#include <linux/vs_tag.h>
+
+ #include "idmap.h"
+ #include "acl.h"
+@@ -2319,14 +2320,18 @@ out_acl:
+ WRITE32(stat.nlink);
+ }
+ if (bmval1 & FATTR4_WORD1_OWNER) {
+- status = nfsd4_encode_user(rqstp, stat.uid, &p, &buflen);
++ status = nfsd4_encode_user(rqstp,
++ TAGINO_UID(DX_TAG(dentry->d_inode),
++ stat.uid, stat.tag), &p, &buflen);
+ if (status == nfserr_resource)
+ goto out_resource;
+ if (status)
+ goto out;
+ }
+ if (bmval1 & FATTR4_WORD1_OWNER_GROUP) {
+- status = nfsd4_encode_group(rqstp, stat.gid, &p, &buflen);
++ status = nfsd4_encode_group(rqstp,
++ TAGINO_GID(DX_TAG(dentry->d_inode),
++ stat.gid, stat.tag), &p, &buflen);
+ if (status == nfserr_resource)
+ goto out_resource;
+ if (status)
+diff -NurpP --minimal linux-3.4.45/fs/nfsd/nfsxdr.c linux-3.4.45-vs2.3.3.9/fs/nfsd/nfsxdr.c
+--- linux-3.4.45/fs/nfsd/nfsxdr.c 2011-05-22 14:17:53.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/nfsd/nfsxdr.c 2012-05-21 16:15:05.000000000 +0000
+@@ -6,6 +6,7 @@
+
+ #include "xdr.h"
+ #include "auth.h"
++#include <linux/vs_tag.h>
+
+ #define NFSDDBG_FACILITY NFSDDBG_XDR
+
+@@ -88,6 +89,8 @@ static __be32 *
+ decode_sattr(__be32 *p, struct iattr *iap)
+ {
+ u32 tmp, tmp1;
++ uid_t uid = 0;
++ gid_t gid = 0;
+
+ iap->ia_valid = 0;
+
+@@ -101,12 +104,15 @@ decode_sattr(__be32 *p, struct iattr *ia
+ }
+ if ((tmp = ntohl(*p++)) != (u32)-1) {
+ iap->ia_valid |= ATTR_UID;
+- iap->ia_uid = tmp;
++ uid = tmp;
+ }
+ if ((tmp = ntohl(*p++)) != (u32)-1) {
+ iap->ia_valid |= ATTR_GID;
+- iap->ia_gid = tmp;
++ gid = tmp;
+ }
++ iap->ia_uid = INOTAG_UID(DX_TAG_NFSD, uid, gid);
++ iap->ia_gid = INOTAG_GID(DX_TAG_NFSD, uid, gid);
++ iap->ia_tag = INOTAG_TAG(DX_TAG_NFSD, uid, gid, 0);
+ if ((tmp = ntohl(*p++)) != (u32)-1) {
+ iap->ia_valid |= ATTR_SIZE;
+ iap->ia_size = tmp;
+@@ -151,8 +157,10 @@ encode_fattr(struct svc_rqst *rqstp, __b
+ *p++ = htonl(nfs_ftypes[type >> 12]);
+ *p++ = htonl((u32) stat->mode);
+ *p++ = htonl((u32) stat->nlink);
+- *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid));
+- *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid));
++ *p++ = htonl((u32) nfsd_ruid(rqstp,
++ TAGINO_UID(DX_TAG(dentry->d_inode), stat->uid, stat->tag)));
++ *p++ = htonl((u32) nfsd_rgid(rqstp,
++ TAGINO_GID(DX_TAG(dentry->d_inode), stat->gid, stat->tag)));
+
+ if (S_ISLNK(type) && stat->size > NFS_MAXPATHLEN) {
+ *p++ = htonl(NFS_MAXPATHLEN);
+diff -NurpP --minimal linux-3.4.45/fs/ocfs2/dlmglue.c linux-3.4.45-vs2.3.3.9/fs/ocfs2/dlmglue.c
+--- linux-3.4.45/fs/ocfs2/dlmglue.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ocfs2/dlmglue.c 2013-03-02 15:26:44.000000000 +0000
+@@ -2047,6 +2047,7 @@ static void __ocfs2_stuff_meta_lvb(struc
+ lvb->lvb_iclusters = cpu_to_be32(oi->ip_clusters);
+ lvb->lvb_iuid = cpu_to_be32(inode->i_uid);
+ lvb->lvb_igid = cpu_to_be32(inode->i_gid);
++ lvb->lvb_itag = cpu_to_be16(inode->i_tag);
+ lvb->lvb_imode = cpu_to_be16(inode->i_mode);
+ lvb->lvb_inlink = cpu_to_be16(inode->i_nlink);
+ lvb->lvb_iatime_packed =
+@@ -2097,6 +2098,7 @@ static void ocfs2_refresh_inode_from_lvb
+
+ inode->i_uid = be32_to_cpu(lvb->lvb_iuid);
+ inode->i_gid = be32_to_cpu(lvb->lvb_igid);
++ inode->i_tag = be16_to_cpu(lvb->lvb_itag);
+ inode->i_mode = be16_to_cpu(lvb->lvb_imode);
+ set_nlink(inode, be16_to_cpu(lvb->lvb_inlink));
+ ocfs2_unpack_timespec(&inode->i_atime,
+diff -NurpP --minimal linux-3.4.45/fs/ocfs2/dlmglue.h linux-3.4.45-vs2.3.3.9/fs/ocfs2/dlmglue.h
+--- linux-3.4.45/fs/ocfs2/dlmglue.h 2010-10-21 11:07:50.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ocfs2/dlmglue.h 2012-05-21 16:15:05.000000000 +0000
+@@ -46,7 +46,8 @@ struct ocfs2_meta_lvb {
+ __be16 lvb_inlink;
+ __be32 lvb_iattr;
+ __be32 lvb_igeneration;
+- __be32 lvb_reserved2;
++ __be16 lvb_itag;
++ __be16 lvb_reserved2;
+ };
+
+ #define OCFS2_QINFO_LVB_VERSION 1
+diff -NurpP --minimal linux-3.4.45/fs/ocfs2/file.c linux-3.4.45-vs2.3.3.9/fs/ocfs2/file.c
+--- linux-3.4.45/fs/ocfs2/file.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ocfs2/file.c 2012-07-17 22:29:43.000000000 +0000
+@@ -1123,7 +1123,7 @@ int ocfs2_setattr(struct dentry *dentry,
+ attr->ia_valid &= ~ATTR_SIZE;
+
+ #define OCFS2_VALID_ATTRS (ATTR_ATIME | ATTR_MTIME | ATTR_CTIME | ATTR_SIZE \
+- | ATTR_GID | ATTR_UID | ATTR_MODE)
++ | ATTR_GID | ATTR_UID | ATTR_TAG | ATTR_MODE)
+ if (!(attr->ia_valid & OCFS2_VALID_ATTRS))
+ return 0;
+
+diff -NurpP --minimal linux-3.4.45/fs/ocfs2/inode.c linux-3.4.45-vs2.3.3.9/fs/ocfs2/inode.c
+--- linux-3.4.45/fs/ocfs2/inode.c 2012-01-09 15:14:55.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ocfs2/inode.c 2012-05-21 16:15:05.000000000 +0000
+@@ -28,6 +28,7 @@
+ #include <linux/highmem.h>
+ #include <linux/pagemap.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/byteorder.h>
+
+@@ -78,11 +79,13 @@ void ocfs2_set_inode_flags(struct inode
+ {
+ unsigned int flags = OCFS2_I(inode)->ip_attr;
+
+- inode->i_flags &= ~(S_IMMUTABLE |
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
+ if (flags & OCFS2_IMMUTABLE_FL)
+ inode->i_flags |= S_IMMUTABLE;
++ if (flags & OCFS2_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
+
+ if (flags & OCFS2_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+@@ -92,25 +95,44 @@ void ocfs2_set_inode_flags(struct inode
+ inode->i_flags |= S_NOATIME;
+ if (flags & OCFS2_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & OCFS2_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & OCFS2_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to OCFS2_I(inode)->ip_attr */
+ void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi)
+ {
+ unsigned int flags = oi->vfs_inode.i_flags;
++ unsigned int vflags = oi->vfs_inode.i_vflags;
++
++ oi->ip_attr &= ~(OCFS2_SYNC_FL | OCFS2_APPEND_FL |
++ OCFS2_IMMUTABLE_FL | OCFS2_IXUNLINK_FL |
++ OCFS2_NOATIME_FL | OCFS2_DIRSYNC_FL |
++ OCFS2_BARRIER_FL | OCFS2_COW_FL);
++
++ if (flags & S_IMMUTABLE)
++ oi->ip_attr |= OCFS2_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ oi->ip_attr |= OCFS2_IXUNLINK_FL;
+
+- oi->ip_attr &= ~(OCFS2_SYNC_FL|OCFS2_APPEND_FL|
+- OCFS2_IMMUTABLE_FL|OCFS2_NOATIME_FL|OCFS2_DIRSYNC_FL);
+ if (flags & S_SYNC)
+ oi->ip_attr |= OCFS2_SYNC_FL;
+ if (flags & S_APPEND)
+ oi->ip_attr |= OCFS2_APPEND_FL;
+- if (flags & S_IMMUTABLE)
+- oi->ip_attr |= OCFS2_IMMUTABLE_FL;
+ if (flags & S_NOATIME)
+ oi->ip_attr |= OCFS2_NOATIME_FL;
+ if (flags & S_DIRSYNC)
+ oi->ip_attr |= OCFS2_DIRSYNC_FL;
++
++ if (vflags & V_BARRIER)
++ oi->ip_attr |= OCFS2_BARRIER_FL;
++ if (vflags & V_COW)
++ oi->ip_attr |= OCFS2_COW_FL;
+ }
+
+ struct inode *ocfs2_ilookup(struct super_block *sb, u64 blkno)
+@@ -241,6 +263,8 @@ void ocfs2_populate_inode(struct inode *
+ struct super_block *sb;
+ struct ocfs2_super *osb;
+ int use_plocks = 1;
++ uid_t uid;
++ gid_t gid;
+
+ sb = inode->i_sb;
+ osb = OCFS2_SB(sb);
+@@ -269,8 +293,12 @@ void ocfs2_populate_inode(struct inode *
+ inode->i_generation = le32_to_cpu(fe->i_generation);
+ inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
+ inode->i_mode = le16_to_cpu(fe->i_mode);
+- inode->i_uid = le32_to_cpu(fe->i_uid);
+- inode->i_gid = le32_to_cpu(fe->i_gid);
++ uid = le32_to_cpu(fe->i_uid);
++ gid = le32_to_cpu(fe->i_gid);
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
++ /* le16_to_cpu(raw_inode->i_raw_tag)i */ 0);
+
+ /* Fast symlinks will have i_size but no allocated clusters. */
+ if (S_ISLNK(inode->i_mode) && !fe->i_clusters)
+diff -NurpP --minimal linux-3.4.45/fs/ocfs2/inode.h linux-3.4.45-vs2.3.3.9/fs/ocfs2/inode.h
+--- linux-3.4.45/fs/ocfs2/inode.h 2012-01-09 15:14:55.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ocfs2/inode.h 2012-05-21 16:15:05.000000000 +0000
+@@ -154,6 +154,7 @@ struct buffer_head *ocfs2_bread(struct i
+
+ void ocfs2_set_inode_flags(struct inode *inode);
+ void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi);
++int ocfs2_sync_flags(struct inode *inode, int, int);
+
+ static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode)
+ {
+diff -NurpP --minimal linux-3.4.45/fs/ocfs2/ioctl.c linux-3.4.45-vs2.3.3.9/fs/ocfs2/ioctl.c
+--- linux-3.4.45/fs/ocfs2/ioctl.c 2012-05-21 16:07:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ocfs2/ioctl.c 2012-05-21 16:15:05.000000000 +0000
+@@ -76,7 +76,41 @@ static int ocfs2_get_inode_attr(struct i
+ return status;
+ }
+
+-static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
++int ocfs2_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
++ struct buffer_head *bh = NULL;
++ handle_t *handle = NULL;
++ int status;
++
++ status = ocfs2_inode_lock(inode, &bh, 1);
++ if (status < 0) {
++ mlog_errno(status);
++ return status;
++ }
++ handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
++ if (IS_ERR(handle)) {
++ status = PTR_ERR(handle);
++ mlog_errno(status);
++ goto bail_unlock;
++ }
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ocfs2_get_inode_flags(OCFS2_I(inode));
++
++ status = ocfs2_mark_inode_dirty(handle, inode, bh);
++ if (status < 0)
++ mlog_errno(status);
++
++ ocfs2_commit_trans(osb, handle);
++bail_unlock:
++ ocfs2_inode_unlock(inode, 1);
++ brelse(bh);
++ return status;
++}
++
++int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
+ unsigned mask)
+ {
+ struct ocfs2_inode_info *ocfs2_inode = OCFS2_I(inode);
+@@ -101,6 +135,11 @@ static int ocfs2_set_inode_attr(struct i
+ if (!S_ISDIR(inode->i_mode))
+ flags &= ~OCFS2_DIRSYNC_FL;
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ goto bail_unlock;
++ }
++
+ handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
+ if (IS_ERR(handle)) {
+ status = PTR_ERR(handle);
+@@ -879,6 +918,7 @@ bail:
+ return status;
+ }
+
++
+ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_path.dentry->d_inode;
+diff -NurpP --minimal linux-3.4.45/fs/ocfs2/namei.c linux-3.4.45-vs2.3.3.9/fs/ocfs2/namei.c
+--- linux-3.4.45/fs/ocfs2/namei.c 2012-03-19 18:47:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ocfs2/namei.c 2012-05-21 16:15:05.000000000 +0000
+@@ -41,6 +41,7 @@
+ #include <linux/slab.h>
+ #include <linux/highmem.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+
+ #include <cluster/masklog.h>
+
+@@ -475,6 +476,7 @@ static int __ocfs2_mknod_locked(struct i
+ struct ocfs2_dinode *fe = NULL;
+ struct ocfs2_extent_list *fel;
+ u16 feat;
++ tag_t tag;
+
+ *new_fe_bh = NULL;
+
+@@ -512,8 +514,11 @@ static int __ocfs2_mknod_locked(struct i
+ fe->i_suballoc_loc = cpu_to_le64(suballoc_loc);
+ fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);
+ fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot);
+- fe->i_uid = cpu_to_le32(inode->i_uid);
+- fe->i_gid = cpu_to_le32(inode->i_gid);
++
++ tag = dx_current_fstag(osb->sb);
++ fe->i_uid = cpu_to_le32(TAGINO_UID(DX_TAG(inode), inode->i_uid, tag));
++ fe->i_gid = cpu_to_le32(TAGINO_GID(DX_TAG(inode), inode->i_gid, tag));
++ inode->i_tag = tag;
+ fe->i_mode = cpu_to_le16(inode->i_mode);
+ if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
+ fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev));
+diff -NurpP --minimal linux-3.4.45/fs/ocfs2/ocfs2.h linux-3.4.45-vs2.3.3.9/fs/ocfs2/ocfs2.h
+--- linux-3.4.45/fs/ocfs2/ocfs2.h 2012-01-09 15:14:55.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ocfs2/ocfs2.h 2012-05-21 16:15:05.000000000 +0000
+@@ -272,6 +272,7 @@ enum ocfs2_mount_options
+ writes */
+ OCFS2_MOUNT_HB_NONE = 1 << 13, /* No heartbeat */
+ OCFS2_MOUNT_HB_GLOBAL = 1 << 14, /* Global heartbeat */
++ OCFS2_MOUNT_TAGGED = 1 << 15, /* use tagging */
+ };
+
+ #define OCFS2_OSB_SOFT_RO 0x0001
+diff -NurpP --minimal linux-3.4.45/fs/ocfs2/ocfs2_fs.h linux-3.4.45-vs2.3.3.9/fs/ocfs2/ocfs2_fs.h
+--- linux-3.4.45/fs/ocfs2/ocfs2_fs.h 2011-05-22 14:17:53.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ocfs2/ocfs2_fs.h 2012-05-21 16:15:05.000000000 +0000
+@@ -266,6 +266,11 @@
+ #define OCFS2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
+ #define OCFS2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
+
++#define OCFS2_IXUNLINK_FL FS_IXUNLINK_FL /* Immutable invert on unlink */
++
++#define OCFS2_BARRIER_FL FS_BARRIER_FL /* Barrier for chroot() */
++#define OCFS2_COW_FL FS_COW_FL /* Copy on Write marker */
++
+ #define OCFS2_FL_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
+ #define OCFS2_FL_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
+
+diff -NurpP --minimal linux-3.4.45/fs/ocfs2/super.c linux-3.4.45-vs2.3.3.9/fs/ocfs2/super.c
+--- linux-3.4.45/fs/ocfs2/super.c 2012-05-21 16:07:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/ocfs2/super.c 2012-05-21 16:15:05.000000000 +0000
+@@ -185,6 +185,7 @@ enum {
+ Opt_coherency_full,
+ Opt_resv_level,
+ Opt_dir_resv_level,
++ Opt_tag, Opt_notag, Opt_tagid,
+ Opt_err,
+ };
+
+@@ -216,6 +217,9 @@ static const match_table_t tokens = {
+ {Opt_coherency_full, "coherency=full"},
+ {Opt_resv_level, "resv_level=%u"},
+ {Opt_dir_resv_level, "dir_resv_level=%u"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL}
+ };
+
+@@ -662,6 +666,13 @@ static int ocfs2_remount(struct super_bl
+ goto out;
+ }
+
++ if ((osb->s_mount_opt & OCFS2_MOUNT_TAGGED) !=
++ (parsed_options.mount_opt & OCFS2_MOUNT_TAGGED)) {
++ ret = -EINVAL;
++ mlog(ML_ERROR, "Cannot change tagging on remount\n");
++ goto out;
++ }
++
+ /* We're going to/from readonly mode. */
+ if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) {
+ /* Disable quota accounting before remounting RO */
+@@ -1177,6 +1188,9 @@ static int ocfs2_fill_super(struct super
+
+ ocfs2_complete_mount_recovery(osb);
+
++ if (osb->s_mount_opt & OCFS2_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ if (ocfs2_mount_local(osb))
+ snprintf(nodestr, sizeof(nodestr), "local");
+ else
+@@ -1503,6 +1517,20 @@ static int ocfs2_parse_options(struct su
+ option < OCFS2_MAX_RESV_LEVEL)
+ mopt->dir_resv_level = option;
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ mopt->mount_opt |= OCFS2_MOUNT_TAGGED;
++ break;
++ case Opt_notag:
++ mopt->mount_opt &= ~OCFS2_MOUNT_TAGGED;
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ mopt->mount_opt |= OCFS2_MOUNT_TAGGED;
++ break;
++#endif
+ default:
+ mlog(ML_ERROR,
+ "Unrecognized mount option \"%s\" "
+diff -NurpP --minimal linux-3.4.45/fs/open.c linux-3.4.45-vs2.3.3.9/fs/open.c
+--- linux-3.4.45/fs/open.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/open.c 2012-09-16 18:49:11.000000000 +0000
+@@ -30,6 +30,11 @@
+ #include <linux/fs_struct.h>
+ #include <linux/ima.h>
+ #include <linux/dnotify.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_tag.h>
++#include <linux/vs_cowbl.h>
++#include <linux/vserver/dlimit.h>
+
+ #include "internal.h"
+
+@@ -74,6 +79,12 @@ static long do_sys_truncate(const char _
+ error = user_path(pathname, &path);
+ if (error)
+ goto out;
++
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (error)
++ goto dput_and_out;
++#endif
+ inode = path.dentry->d_inode;
+
+ /* For directories it's -EISDIR, for other non-regulars - -EINVAL */
+@@ -489,6 +500,10 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, cons
+
+ error = user_path_at(dfd, filename, LOOKUP_FOLLOW, &path);
+ if (!error) {
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
+ error = chmod_common(&path, mode);
+ path_put(&path);
+ }
+@@ -509,11 +524,11 @@ static int chown_common(struct path *pat
+ newattrs.ia_valid = ATTR_CTIME;
+ if (user != (uid_t) -1) {
+ newattrs.ia_valid |= ATTR_UID;
+- newattrs.ia_uid = user;
++ newattrs.ia_uid = dx_map_uid(user);
+ }
+ if (group != (gid_t) -1) {
+ newattrs.ia_valid |= ATTR_GID;
+- newattrs.ia_gid = group;
++ newattrs.ia_gid = dx_map_gid(group);
+ }
+ if (!S_ISDIR(inode->i_mode))
+ newattrs.ia_valid |=
+@@ -538,6 +553,10 @@ SYSCALL_DEFINE3(chown, const char __user
+ error = mnt_want_write(path.mnt);
+ if (error)
+ goto out_release;
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
+ error = chown_common(&path, user, group);
+ mnt_drop_write(path.mnt);
+ out_release:
+@@ -565,6 +584,10 @@ SYSCALL_DEFINE5(fchownat, int, dfd, cons
+ error = mnt_want_write(path.mnt);
+ if (error)
+ goto out_release;
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
+ error = chown_common(&path, user, group);
+ mnt_drop_write(path.mnt);
+ out_release:
+@@ -584,6 +607,10 @@ SYSCALL_DEFINE3(lchown, const char __use
+ error = mnt_want_write(path.mnt);
+ if (error)
+ goto out_release;
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
+ error = chown_common(&path, user, group);
+ mnt_drop_write(path.mnt);
+ out_release:
+@@ -839,6 +866,7 @@ static void __put_unused_fd(struct files
+ __clear_open_fd(fd, fdt);
+ if (fd < files->next_fd)
+ files->next_fd = fd;
++ vx_openfd_dec(fd);
+ }
+
+ void put_unused_fd(unsigned int fd)
+diff -NurpP --minimal linux-3.4.45/fs/proc/array.c linux-3.4.45-vs2.3.3.9/fs/proc/array.c
+--- linux-3.4.45/fs/proc/array.c 2012-05-21 16:07:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/proc/array.c 2012-05-21 16:15:05.000000000 +0000
+@@ -81,6 +81,8 @@
+ #include <linux/pid_namespace.h>
+ #include <linux/ptrace.h>
+ #include <linux/tracehook.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
+
+ #include <asm/pgtable.h>
+ #include <asm/processor.h>
+@@ -170,6 +172,9 @@ static inline void task_state(struct seq
+ rcu_read_lock();
+ ppid = pid_alive(p) ?
+ task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
++ if (unlikely(vx_current_initpid(p->pid)))
++ ppid = 0;
++
+ tpid = 0;
+ if (pid_alive(p)) {
+ struct task_struct *tracer = ptrace_parent(p);
+@@ -287,7 +292,7 @@ static inline void task_sig(struct seq_f
+ }
+
+ static void render_cap_t(struct seq_file *m, const char *header,
+- kernel_cap_t *a)
++ struct vx_info *vxi, kernel_cap_t *a)
+ {
+ unsigned __capi;
+
+@@ -312,10 +317,11 @@ static inline void task_cap(struct seq_f
+ cap_bset = cred->cap_bset;
+ rcu_read_unlock();
+
+- render_cap_t(m, "CapInh:\t", &cap_inheritable);
+- render_cap_t(m, "CapPrm:\t", &cap_permitted);
+- render_cap_t(m, "CapEff:\t", &cap_effective);
+- render_cap_t(m, "CapBnd:\t", &cap_bset);
++ /* FIXME: maybe move the p->vx_info masking to __task_cred() ? */
++ render_cap_t(m, "CapInh:\t", p->vx_info, &cap_inheritable);
++ render_cap_t(m, "CapPrm:\t", p->vx_info, &cap_permitted);
++ render_cap_t(m, "CapEff:\t", p->vx_info, &cap_effective);
++ render_cap_t(m, "CapBnd:\t", p->vx_info, &cap_bset);
+ }
+
+ static inline void task_context_switch_counts(struct seq_file *m,
+@@ -337,6 +343,42 @@ static void task_cpus_allowed(struct seq
+ seq_putc(m, '\n');
+ }
+
++int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
++ struct pid *pid, struct task_struct *task)
++{
++ seq_printf(m, "Proxy:\t%p(%c)\n"
++ "Count:\t%u\n"
++ "uts:\t%p(%c)\n"
++ "ipc:\t%p(%c)\n"
++ "mnt:\t%p(%c)\n"
++ "pid:\t%p(%c)\n"
++ "net:\t%p(%c)\n",
++ task->nsproxy,
++ (task->nsproxy == init_task.nsproxy ? 'I' : '-'),
++ atomic_read(&task->nsproxy->count),
++ task->nsproxy->uts_ns,
++ (task->nsproxy->uts_ns == init_task.nsproxy->uts_ns ? 'I' : '-'),
++ task->nsproxy->ipc_ns,
++ (task->nsproxy->ipc_ns == init_task.nsproxy->ipc_ns ? 'I' : '-'),
++ task->nsproxy->mnt_ns,
++ (task->nsproxy->mnt_ns == init_task.nsproxy->mnt_ns ? 'I' : '-'),
++ task->nsproxy->pid_ns,
++ (task->nsproxy->pid_ns == init_task.nsproxy->pid_ns ? 'I' : '-'),
++ task->nsproxy->net_ns,
++ (task->nsproxy->net_ns == init_task.nsproxy->net_ns ? 'I' : '-'));
++ return 0;
++}
++
++void task_vs_id(struct seq_file *m, struct task_struct *task)
++{
++ if (task_vx_flags(task, VXF_HIDE_VINFO, 0))
++ return;
++
++ seq_printf(m, "VxID: %d\n", vx_task_xid(task));
++ seq_printf(m, "NxID: %d\n", nx_task_nid(task));
++}
++
++
+ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
+ {
+@@ -353,6 +395,7 @@ int proc_pid_status(struct seq_file *m,
+ task_cap(m, task);
+ task_cpus_allowed(m, task);
+ cpuset_task_status_allowed(m, task);
++ task_vs_id(m, task);
+ task_context_switch_counts(m, task);
+ return 0;
+ }
+@@ -462,6 +505,17 @@ static int do_task_stat(struct seq_file
+ /* convert nsec -> ticks */
+ start_time = nsec_to_clock_t(start_time);
+
++ /* fixup start time for virt uptime */
++ if (vx_flags(VXF_VIRT_UPTIME, 0)) {
++ unsigned long long bias =
++ current->vx_info->cvirt.bias_clock;
++
++ if (start_time > bias)
++ start_time -= bias;
++ else
++ start_time = 0;
++ }
++
+ seq_printf(m, "%d (%s) %c", pid_nr_ns(pid, ns), tcomm, state);
+ seq_put_decimal_ll(m, ' ', ppid);
+ seq_put_decimal_ll(m, ' ', pgid);
+diff -NurpP --minimal linux-3.4.45/fs/proc/base.c linux-3.4.45-vs2.3.3.9/fs/proc/base.c
+--- linux-3.4.45/fs/proc/base.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/proc/base.c 2012-06-28 14:45:07.000000000 +0000
+@@ -84,6 +84,8 @@
+ #include <linux/fs_struct.h>
+ #include <linux/slab.h>
+ #include <linux/flex_array.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
+ #ifdef CONFIG_HARDWALL
+ #include <asm/hardwall.h>
+ #endif
+@@ -937,11 +939,16 @@ static ssize_t oom_adjust_write(struct f
+ goto err_task_lock;
+ }
+
+- if (oom_adjust < task->signal->oom_adj && !capable(CAP_SYS_RESOURCE)) {
++ if (oom_adjust < task->signal->oom_adj &&
++ !vx_capable(CAP_SYS_RESOURCE, VXC_OOM_ADJUST)) {
+ err = -EACCES;
+ goto err_sighand;
+ }
+
++ /* prevent guest processes from circumventing the oom killer */
++ if (vx_current_xid() && (oom_adjust == OOM_DISABLE))
++ oom_adjust = OOM_ADJUST_MIN;
++
+ /*
+ * Warn that /proc/pid/oom_adj is deprecated, see
+ * Documentation/feature-removal-schedule.txt.
+@@ -1541,6 +1548,8 @@ struct inode *proc_pid_make_inode(struct
+ inode->i_gid = cred->egid;
+ rcu_read_unlock();
+ }
++ /* procfs is xid tagged */
++ inode->i_tag = (tag_t)vx_task_xid(task);
+ security_task_to_inode(task, inode);
+
+ out:
+@@ -1586,6 +1595,8 @@ int pid_getattr(struct vfsmount *mnt, st
+
+ /* dentry stuff */
+
++static unsigned name_to_int(struct dentry *dentry);
++
+ /*
+ * Exceptional case: normally we are not allowed to unhash a busy
+ * directory. In this case, however, we can do it - no aliasing problems
+@@ -1614,6 +1625,12 @@ int pid_revalidate(struct dentry *dentry
+ task = get_proc_task(inode);
+
+ if (task) {
++ unsigned pid = name_to_int(dentry);
++
++ if (pid != ~0U && pid != vx_map_pid(task->pid)) {
++ put_task_struct(task);
++ goto drop;
++ }
+ if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
+ task_dumpable(task)) {
+ rcu_read_lock();
+@@ -1630,6 +1647,7 @@ int pid_revalidate(struct dentry *dentry
+ put_task_struct(task);
+ return 1;
+ }
++drop:
+ d_drop(dentry);
+ return 0;
+ }
+@@ -2452,6 +2470,13 @@ static struct dentry *proc_pident_lookup
+ if (!task)
+ goto out_no_task;
+
++ /* TODO: maybe we can come up with a generic approach? */
++ if (task_vx_flags(task, VXF_HIDE_VINFO, 0) &&
++ (dentry->d_name.len == 5) &&
++ (!memcmp(dentry->d_name.name, "vinfo", 5) ||
++ !memcmp(dentry->d_name.name, "ninfo", 5)))
++ goto out;
++
+ /*
+ * Yes, it does not scale. And it should not. Don't add
+ * new entries into /proc/<tgid>/ without very good reasons.
+@@ -2837,7 +2862,7 @@ out_iput:
+ static struct dentry *proc_base_lookup(struct inode *dir, struct dentry *dentry)
+ {
+ struct dentry *error;
+- struct task_struct *task = get_proc_task(dir);
++ struct task_struct *task = get_proc_task_real(dir);
+ const struct pid_entry *p, *last;
+
+ error = ERR_PTR(-ENOENT);
+@@ -2944,6 +2969,9 @@ static int proc_pid_personality(struct s
+ static const struct file_operations proc_task_operations;
+ static const struct inode_operations proc_task_inode_operations;
+
++extern int proc_pid_vx_info(struct task_struct *, char *);
++extern int proc_pid_nx_info(struct task_struct *, char *);
++
+ static const struct pid_entry tgid_base_stuff[] = {
+ DIR("task", S_IRUGO|S_IXUGO, proc_task_inode_operations, proc_task_operations),
+ DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
+@@ -3010,6 +3038,8 @@ static const struct pid_entry tgid_base_
+ #ifdef CONFIG_CGROUPS
+ REG("cgroup", S_IRUGO, proc_cgroup_operations),
+ #endif
++ INF("vinfo", S_IRUGO, proc_pid_vx_info),
++ INF("ninfo", S_IRUGO, proc_pid_nx_info),
+ INF("oom_score", S_IRUGO, proc_oom_score),
+ REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adjust_operations),
+ REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
+@@ -3029,6 +3059,7 @@ static const struct pid_entry tgid_base_
+ #ifdef CONFIG_HARDWALL
+ INF("hardwall", S_IRUGO, proc_pid_hardwall),
+ #endif
++ ONE("nsproxy", S_IRUGO, proc_pid_nsproxy),
+ };
+
+ static int proc_tgid_base_readdir(struct file * filp,
+@@ -3222,7 +3253,7 @@ retry:
+ iter.task = NULL;
+ pid = find_ge_pid(iter.tgid, ns);
+ if (pid) {
+- iter.tgid = pid_nr_ns(pid, ns);
++ iter.tgid = pid_unmapped_nr_ns(pid, ns);
+ iter.task = pid_task(pid, PIDTYPE_PID);
+ /* What we to know is if the pid we have find is the
+ * pid of a thread_group_leader. Testing for task
+@@ -3252,7 +3283,7 @@ static int proc_pid_fill_cache(struct fi
+ struct tgid_iter iter)
+ {
+ char name[PROC_NUMBUF];
+- int len = snprintf(name, sizeof(name), "%d", iter.tgid);
++ int len = snprintf(name, sizeof(name), "%d", vx_map_tgid(iter.tgid));
+ return proc_fill_cache(filp, dirent, filldir, name, len,
+ proc_pid_instantiate, iter.task, NULL);
+ }
+@@ -3276,7 +3307,7 @@ int proc_pid_readdir(struct file * filp,
+ goto out_no_task;
+ nr = filp->f_pos - FIRST_PROCESS_ENTRY;
+
+- reaper = get_proc_task(filp->f_path.dentry->d_inode);
++ reaper = get_proc_task_real(filp->f_path.dentry->d_inode);
+ if (!reaper)
+ goto out_no_task;
+
+@@ -3298,6 +3329,8 @@ int proc_pid_readdir(struct file * filp,
+ __filldir = fake_filldir;
+
+ filp->f_pos = iter.tgid + TGID_OFFSET;
++ if (!vx_proc_task_visible(iter.task))
++ continue;
+ if (proc_pid_fill_cache(filp, dirent, __filldir, iter) < 0) {
+ put_task_struct(iter.task);
+ goto out;
+@@ -3451,6 +3484,8 @@ static struct dentry *proc_task_lookup(s
+ tid = name_to_int(dentry);
+ if (tid == ~0U)
+ goto out;
++ if (vx_current_initpid(tid))
++ goto out;
+
+ ns = dentry->d_sb->s_fs_info;
+ rcu_read_lock();
+diff -NurpP --minimal linux-3.4.45/fs/proc/generic.c linux-3.4.45-vs2.3.3.9/fs/proc/generic.c
+--- linux-3.4.45/fs/proc/generic.c 2012-03-19 18:47:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/proc/generic.c 2012-05-21 16:15:05.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/bitops.h>
+ #include <linux/spinlock.h>
+ #include <linux/completion.h>
++#include <linux/vserver/inode.h>
+ #include <asm/uaccess.h>
+
+ #include "internal.h"
+@@ -424,11 +425,15 @@ struct dentry *proc_lookup_de(struct pro
+ for (de = de->subdir; de ; de = de->next) {
+ if (de->namelen != dentry->d_name.len)
+ continue;
++ if (!vx_hide_check(0, de->vx_flags))
++ continue;
+ if (!memcmp(dentry->d_name.name, de->name, de->namelen)) {
+ pde_get(de);
+ spin_unlock(&proc_subdir_lock);
+ error = -EINVAL;
+ inode = proc_get_inode(dir->i_sb, de);
++ /* generic proc entries belong to the host */
++ inode->i_tag = 0;
+ goto out_unlock;
+ }
+ }
+@@ -506,6 +511,8 @@ int proc_readdir_de(struct proc_dir_entr
+
+ /* filldir passes info to user space */
+ pde_get(de);
++ if (!vx_hide_check(0, de->vx_flags))
++ goto skip;
+ spin_unlock(&proc_subdir_lock);
+ if (filldir(dirent, de->name, de->namelen, filp->f_pos,
+ de->low_ino, de->mode >> 12) < 0) {
+@@ -513,6 +520,7 @@ int proc_readdir_de(struct proc_dir_entr
+ goto out;
+ }
+ spin_lock(&proc_subdir_lock);
++ skip:
+ filp->f_pos++;
+ next = de->next;
+ pde_put(de);
+@@ -626,6 +634,7 @@ static struct proc_dir_entry *__proc_cre
+ ent->nlink = nlink;
+ atomic_set(&ent->count, 1);
+ ent->pde_users = 0;
++ ent->vx_flags = IATTR_PROC_DEFAULT;
+ spin_lock_init(&ent->pde_unload_lock);
+ ent->pde_unload_completion = NULL;
+ INIT_LIST_HEAD(&ent->pde_openers);
+@@ -649,7 +658,8 @@ struct proc_dir_entry *proc_symlink(cons
+ kfree(ent->data);
+ kfree(ent);
+ ent = NULL;
+- }
++ } else
++ ent->vx_flags = IATTR_PROC_SYMLINK;
+ } else {
+ kfree(ent);
+ ent = NULL;
+diff -NurpP --minimal linux-3.4.45/fs/proc/inode.c linux-3.4.45-vs2.3.3.9/fs/proc/inode.c
+--- linux-3.4.45/fs/proc/inode.c 2012-05-21 16:07:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/proc/inode.c 2012-05-21 16:15:05.000000000 +0000
+@@ -458,6 +458,8 @@ struct inode *proc_get_inode(struct supe
+ inode->i_uid = de->uid;
+ inode->i_gid = de->gid;
+ }
++ if (de->vx_flags)
++ PROC_I(inode)->vx_flags = de->vx_flags;
+ if (de->size)
+ inode->i_size = de->size;
+ if (de->nlink)
+diff -NurpP --minimal linux-3.4.45/fs/proc/internal.h linux-3.4.45-vs2.3.3.9/fs/proc/internal.h
+--- linux-3.4.45/fs/proc/internal.h 2012-05-21 16:07:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/proc/internal.h 2012-05-21 16:15:05.000000000 +0000
+@@ -10,6 +10,8 @@
+ */
+
+ #include <linux/proc_fs.h>
++#include <linux/vs_pid.h>
++
+ struct ctl_table_header;
+
+ extern struct proc_dir_entry proc_root;
+@@ -54,6 +56,9 @@ extern int proc_pid_status(struct seq_fi
+ struct pid *pid, struct task_struct *task);
+ extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task);
++extern int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
++ struct pid *pid, struct task_struct *task);
++
+ extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
+
+ extern const struct file_operations proc_pid_maps_operations;
+@@ -82,11 +87,16 @@ static inline struct pid *proc_pid(struc
+ return PROC_I(inode)->pid;
+ }
+
+-static inline struct task_struct *get_proc_task(struct inode *inode)
++static inline struct task_struct *get_proc_task_real(struct inode *inode)
+ {
+ return get_pid_task(proc_pid(inode), PIDTYPE_PID);
+ }
+
++static inline struct task_struct *get_proc_task(struct inode *inode)
++{
++ return vx_get_proc_task(inode, proc_pid(inode));
++}
++
+ static inline int proc_fd(struct inode *inode)
+ {
+ return PROC_I(inode)->fd;
+diff -NurpP --minimal linux-3.4.45/fs/proc/loadavg.c linux-3.4.45-vs2.3.3.9/fs/proc/loadavg.c
+--- linux-3.4.45/fs/proc/loadavg.c 2009-09-10 13:26:23.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/proc/loadavg.c 2012-05-21 16:15:05.000000000 +0000
+@@ -12,15 +12,27 @@
+
+ static int loadavg_proc_show(struct seq_file *m, void *v)
+ {
++ unsigned long running;
++ unsigned int threads;
+ unsigned long avnrun[3];
+
+ get_avenrun(avnrun, FIXED_1/200, 0);
+
++ if (vx_flags(VXF_VIRT_LOAD, 0)) {
++ struct vx_info *vxi = current_vx_info();
++
++ running = atomic_read(&vxi->cvirt.nr_running);
++ threads = atomic_read(&vxi->cvirt.nr_threads);
++ } else {
++ running = nr_running();
++ threads = nr_threads;
++ }
++
+ seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %ld/%d %d\n",
+ LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
+ LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
+ LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
+- nr_running(), nr_threads,
++ running, threads,
+ task_active_pid_ns(current)->last_pid);
+ return 0;
+ }
+diff -NurpP --minimal linux-3.4.45/fs/proc/meminfo.c linux-3.4.45-vs2.3.3.9/fs/proc/meminfo.c
+--- linux-3.4.45/fs/proc/meminfo.c 2012-01-09 15:14:55.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/proc/meminfo.c 2012-05-21 16:15:05.000000000 +0000
+@@ -39,7 +39,8 @@ static int meminfo_proc_show(struct seq_
+ allowed = ((totalram_pages - hugetlb_total_pages())
+ * sysctl_overcommit_ratio / 100) + total_swap_pages;
+
+- cached = global_page_state(NR_FILE_PAGES) -
++ cached = vx_flags(VXF_VIRT_MEM, 0) ?
++ vx_vsi_cached(&i) : global_page_state(NR_FILE_PAGES) -
+ total_swapcache_pages - i.bufferram;
+ if (cached < 0)
+ cached = 0;
+diff -NurpP --minimal linux-3.4.45/fs/proc/root.c linux-3.4.45-vs2.3.3.9/fs/proc/root.c
+--- linux-3.4.45/fs/proc/root.c 2012-05-21 16:07:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/proc/root.c 2012-05-21 16:15:05.000000000 +0000
+@@ -19,9 +19,14 @@
+ #include <linux/mount.h>
+ #include <linux/pid_namespace.h>
+ #include <linux/parser.h>
++#include <linux/vserver/inode.h>
+
+ #include "internal.h"
+
++struct proc_dir_entry *proc_virtual;
++
++extern void proc_vx_init(void);
++
+ static int proc_test_super(struct super_block *sb, void *data)
+ {
+ return sb->s_fs_info == data;
+@@ -190,6 +195,7 @@ void __init proc_root_init(void)
+ #endif
+ proc_mkdir("bus", NULL);
+ proc_sys_init();
++ proc_vx_init();
+ }
+
+ static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat
+@@ -257,6 +263,7 @@ struct proc_dir_entry proc_root = {
+ .proc_iops = &proc_root_inode_operations,
+ .proc_fops = &proc_root_operations,
+ .parent = &proc_root,
++ .vx_flags = IATTR_ADMIN | IATTR_WATCH,
+ .name = "/proc",
+ };
+
+diff -NurpP --minimal linux-3.4.45/fs/proc/stat.c linux-3.4.45-vs2.3.3.9/fs/proc/stat.c
+--- linux-3.4.45/fs/proc/stat.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/proc/stat.c 2012-11-06 17:02:35.000000000 +0000
+@@ -9,6 +9,7 @@
+ #include <linux/slab.h>
+ #include <linux/time.h>
+ #include <linux/irqnr.h>
++#include <linux/vserver/cvirt.h>
+ #include <asm/cputime.h>
+ #include <linux/tick.h>
+
+@@ -92,6 +93,10 @@ static int show_stat(struct seq_file *p,
+ irq = softirq = steal = 0;
+ guest = guest_nice = 0;
+ getboottime(&boottime);
++
++ if (vx_flags(VXF_VIRT_UPTIME, 0))
++ vx_vsi_boottime(&boottime);
++
+ jif = boottime.tv_sec;
+
+ for_each_possible_cpu(i) {
+diff -NurpP --minimal linux-3.4.45/fs/proc/uptime.c linux-3.4.45-vs2.3.3.9/fs/proc/uptime.c
+--- linux-3.4.45/fs/proc/uptime.c 2012-03-19 18:47:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/proc/uptime.c 2012-05-21 16:15:05.000000000 +0000
+@@ -5,6 +5,7 @@
+ #include <linux/seq_file.h>
+ #include <linux/time.h>
+ #include <linux/kernel_stat.h>
++#include <linux/vserver/cvirt.h>
+ #include <asm/cputime.h>
+
+ static int uptime_proc_show(struct seq_file *m, void *v)
+@@ -25,6 +26,10 @@ static int uptime_proc_show(struct seq_f
+ nsec = cputime64_to_jiffies64(idletime) * TICK_NSEC;
+ idle.tv_sec = div_u64_rem(nsec, NSEC_PER_SEC, &rem);
+ idle.tv_nsec = rem;
++
++ if (vx_flags(VXF_VIRT_UPTIME, 0))
++ vx_vsi_uptime(&uptime, &idle);
++
+ seq_printf(m, "%lu.%02lu %lu.%02lu\n",
+ (unsigned long) uptime.tv_sec,
+ (uptime.tv_nsec / (NSEC_PER_SEC / 100)),
+diff -NurpP --minimal linux-3.4.45/fs/proc_namespace.c linux-3.4.45-vs2.3.3.9/fs/proc_namespace.c
+--- linux-3.4.45/fs/proc_namespace.c 2012-03-19 18:47:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/proc_namespace.c 2012-05-21 16:15:05.000000000 +0000
+@@ -44,6 +44,8 @@ static int show_sb_opts(struct seq_file
+ { MS_SYNCHRONOUS, ",sync" },
+ { MS_DIRSYNC, ",dirsync" },
+ { MS_MANDLOCK, ",mand" },
++ { MS_TAGGED, ",tag" },
++ { MS_NOTAGCHECK, ",notagcheck" },
+ { 0, NULL }
+ };
+ const struct proc_fs_info *fs_infop;
+@@ -80,6 +82,34 @@ static inline void mangle(struct seq_fil
+ seq_escape(m, s, " \t\n\\");
+ }
+
++static int mnt_is_reachable(struct vfsmount *vfsmnt)
++{
++ struct path root;
++ struct dentry *point;
++ struct mount *mnt = real_mount(vfsmnt);
++ struct mount *root_mnt;
++ int ret;
++
++ if (mnt == mnt->mnt_ns->root)
++ return 1;
++
++ br_read_lock(vfsmount_lock);
++ root = current->fs->root;
++ root_mnt = real_mount(root.mnt);
++ point = root.dentry;
++
++ while ((mnt != mnt->mnt_parent) && (mnt != root_mnt)) {
++ point = mnt->mnt_mountpoint;
++ mnt = mnt->mnt_parent;
++ }
++
++ ret = (mnt == root_mnt) && is_subdir(point, root.dentry);
++
++ br_read_unlock(vfsmount_lock);
++
++ return ret;
++}
++
+ static void show_type(struct seq_file *m, struct super_block *sb)
+ {
+ mangle(m, sb->s_type->name);
+@@ -96,6 +126,17 @@ static int show_vfsmnt(struct seq_file *
+ struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt };
+ struct super_block *sb = mnt_path.dentry->d_sb;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
++ if (!vx_check(0, VS_ADMIN|VS_WATCH) &&
++ mnt == current->fs->root.mnt) {
++ seq_puts(m, "/dev/root / ");
++ goto type;
++ }
++
+ if (sb->s_op->show_devname) {
+ err = sb->s_op->show_devname(m, mnt_path.dentry);
+ if (err)
+@@ -106,6 +147,7 @@ static int show_vfsmnt(struct seq_file *
+ seq_putc(m, ' ');
+ seq_path(m, &mnt_path, " \t\n\\");
+ seq_putc(m, ' ');
++type:
+ show_type(m, sb);
+ seq_puts(m, __mnt_is_readonly(mnt) ? " ro" : " rw");
+ err = show_sb_opts(m, sb);
+@@ -128,6 +170,11 @@ static int show_mountinfo(struct seq_fil
+ struct path root = p->root;
+ int err = 0;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
+ seq_printf(m, "%i %i %u:%u ", r->mnt_id, r->mnt_parent->mnt_id,
+ MAJOR(sb->s_dev), MINOR(sb->s_dev));
+ if (sb->s_op->show_path)
+@@ -187,6 +234,17 @@ static int show_vfsstat(struct seq_file
+ struct super_block *sb = mnt_path.dentry->d_sb;
+ int err = 0;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
++ if (!vx_check(0, VS_ADMIN|VS_WATCH) &&
++ mnt == current->fs->root.mnt) {
++ seq_puts(m, "device /dev/root mounted on / ");
++ goto type;
++ }
++
+ /* device */
+ if (sb->s_op->show_devname) {
+ seq_puts(m, "device ");
+@@ -203,7 +261,7 @@ static int show_vfsstat(struct seq_file
+ seq_puts(m, " mounted on ");
+ seq_path(m, &mnt_path, " \t\n\\");
+ seq_putc(m, ' ');
+-
++type:
+ /* file system type */
+ seq_puts(m, "with fstype ");
+ show_type(m, sb);
+diff -NurpP --minimal linux-3.4.45/fs/quota/dquot.c linux-3.4.45-vs2.3.3.9/fs/quota/dquot.c
+--- linux-3.4.45/fs/quota/dquot.c 2012-05-21 16:07:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/quota/dquot.c 2012-05-21 16:15:05.000000000 +0000
+@@ -1563,6 +1563,9 @@ int __dquot_alloc_space(struct inode *in
+ struct dquot **dquots = inode->i_dquot;
+ int reserve = flags & DQUOT_SPACE_RESERVE;
+
++ if ((ret = dl_alloc_space(inode, number)))
++ return ret;
++
+ /*
+ * First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex
+@@ -1618,6 +1621,9 @@ int dquot_alloc_inode(const struct inode
+ struct dquot_warn warn[MAXQUOTAS];
+ struct dquot * const *dquots = inode->i_dquot;
+
++ if ((ret = dl_alloc_inode(inode)))
++ return ret;
++
+ /* First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex */
+ if (!dquot_active(inode))
+@@ -1689,6 +1695,8 @@ void __dquot_free_space(struct inode *in
+ struct dquot **dquots = inode->i_dquot;
+ int reserve = flags & DQUOT_SPACE_RESERVE;
+
++ dl_free_space(inode, number);
++
+ /* First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex */
+ if (!dquot_active(inode)) {
+@@ -1733,6 +1741,8 @@ void dquot_free_inode(const struct inode
+ struct dquot_warn warn[MAXQUOTAS];
+ struct dquot * const *dquots = inode->i_dquot;
+
++ dl_free_inode(inode);
++
+ /* First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex */
+ if (!dquot_active(inode))
+diff -NurpP --minimal linux-3.4.45/fs/quota/quota.c linux-3.4.45-vs2.3.3.9/fs/quota/quota.c
+--- linux-3.4.45/fs/quota/quota.c 2012-05-21 16:07:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/quota/quota.c 2012-05-21 16:15:05.000000000 +0000
+@@ -8,6 +8,7 @@
+ #include <linux/fs.h>
+ #include <linux/namei.h>
+ #include <linux/slab.h>
++#include <linux/vs_context.h>
+ #include <asm/current.h>
+ #include <asm/uaccess.h>
+ #include <linux/kernel.h>
+@@ -37,7 +38,7 @@ static int check_quotactl_permission(str
+ break;
+ /*FALLTHROUGH*/
+ default:
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
+ return -EPERM;
+ }
+
+@@ -291,6 +292,46 @@ static int do_quotactl(struct super_bloc
+ }
+ }
+
++#if defined(CONFIG_BLK_DEV_VROOT) || defined(CONFIG_BLK_DEV_VROOT_MODULE)
++
++#include <linux/vroot.h>
++#include <linux/major.h>
++#include <linux/module.h>
++#include <linux/kallsyms.h>
++#include <linux/vserver/debug.h>
++
++static vroot_grb_func *vroot_get_real_bdev = NULL;
++
++static DEFINE_SPINLOCK(vroot_grb_lock);
++
++int register_vroot_grb(vroot_grb_func *func) {
++ int ret = -EBUSY;
++
++ spin_lock(&vroot_grb_lock);
++ if (!vroot_get_real_bdev) {
++ vroot_get_real_bdev = func;
++ ret = 0;
++ }
++ spin_unlock(&vroot_grb_lock);
++ return ret;
++}
++EXPORT_SYMBOL(register_vroot_grb);
++
++int unregister_vroot_grb(vroot_grb_func *func) {
++ int ret = -EINVAL;
++
++ spin_lock(&vroot_grb_lock);
++ if (vroot_get_real_bdev) {
++ vroot_get_real_bdev = NULL;
++ ret = 0;
++ }
++ spin_unlock(&vroot_grb_lock);
++ return ret;
++}
++EXPORT_SYMBOL(unregister_vroot_grb);
++
++#endif
++
+ /* Return 1 if 'cmd' will block on frozen filesystem */
+ static int quotactl_cmd_write(int cmd)
+ {
+@@ -323,6 +364,22 @@ static struct super_block *quotactl_bloc
+ putname(tmp);
+ if (IS_ERR(bdev))
+ return ERR_CAST(bdev);
++#if defined(CONFIG_BLK_DEV_VROOT) || defined(CONFIG_BLK_DEV_VROOT_MODULE)
++ if (bdev && bdev->bd_inode &&
++ imajor(bdev->bd_inode) == VROOT_MAJOR) {
++ struct block_device *bdnew = (void *)-EINVAL;
++
++ if (vroot_get_real_bdev)
++ bdnew = vroot_get_real_bdev(bdev);
++ else
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot_get_real_bdev not set");
++ bdput(bdev);
++ if (IS_ERR(bdnew))
++ return ERR_PTR(PTR_ERR(bdnew));
++ bdev = bdnew;
++ }
++#endif
+ if (quotactl_cmd_write(cmd))
+ sb = get_super_thawed(bdev);
+ else
+diff -NurpP --minimal linux-3.4.45/fs/reiserfs/file.c linux-3.4.45-vs2.3.3.9/fs/reiserfs/file.c
+--- linux-3.4.45/fs/reiserfs/file.c 2012-05-21 16:07:26.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/reiserfs/file.c 2012-05-21 16:15:05.000000000 +0000
+@@ -319,5 +319,6 @@ const struct inode_operations reiserfs_f
+ .listxattr = reiserfs_listxattr,
+ .removexattr = reiserfs_removexattr,
+ .permission = reiserfs_permission,
++ .sync_flags = reiserfs_sync_flags,
+ .get_acl = reiserfs_get_acl,
+ };
+diff -NurpP --minimal linux-3.4.45/fs/reiserfs/inode.c linux-3.4.45-vs2.3.3.9/fs/reiserfs/inode.c
+--- linux-3.4.45/fs/reiserfs/inode.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/reiserfs/inode.c 2012-12-08 00:53:53.000000000 +0000
+@@ -18,6 +18,7 @@
+ #include <linux/writeback.h>
+ #include <linux/quotaops.h>
+ #include <linux/swap.h>
++#include <linux/vs_tag.h>
+
+ int reiserfs_commit_write(struct file *f, struct page *page,
+ unsigned from, unsigned to);
+@@ -1131,6 +1132,8 @@ static void init_inode(struct inode *ino
+ struct buffer_head *bh;
+ struct item_head *ih;
+ __u32 rdev;
++ uid_t uid;
++ gid_t gid;
+ //int version = ITEM_VERSION_1;
+
+ bh = PATH_PLAST_BUFFER(path);
+@@ -1151,12 +1154,13 @@ static void init_inode(struct inode *ino
+ (struct stat_data_v1 *)B_I_PITEM(bh, ih);
+ unsigned long blocks;
+
++ uid = sd_v1_uid(sd);
++ gid = sd_v1_gid(sd);
++
+ set_inode_item_key_version(inode, KEY_FORMAT_3_5);
+ set_inode_sd_version(inode, STAT_DATA_V1);
+ inode->i_mode = sd_v1_mode(sd);
+ set_nlink(inode, sd_v1_nlink(sd));
+- inode->i_uid = sd_v1_uid(sd);
+- inode->i_gid = sd_v1_gid(sd);
+ inode->i_size = sd_v1_size(sd);
+ inode->i_atime.tv_sec = sd_v1_atime(sd);
+ inode->i_mtime.tv_sec = sd_v1_mtime(sd);
+@@ -1198,11 +1202,12 @@ static void init_inode(struct inode *ino
+ // (directories and symlinks)
+ struct stat_data *sd = (struct stat_data *)B_I_PITEM(bh, ih);
+
++ uid = sd_v2_uid(sd);
++ gid = sd_v2_gid(sd);
++
+ inode->i_mode = sd_v2_mode(sd);
+ set_nlink(inode, sd_v2_nlink(sd));
+- inode->i_uid = sd_v2_uid(sd);
+ inode->i_size = sd_v2_size(sd);
+- inode->i_gid = sd_v2_gid(sd);
+ inode->i_mtime.tv_sec = sd_v2_mtime(sd);
+ inode->i_atime.tv_sec = sd_v2_atime(sd);
+ inode->i_ctime.tv_sec = sd_v2_ctime(sd);
+@@ -1232,6 +1237,10 @@ static void init_inode(struct inode *ino
+ sd_attrs_to_i_attrs(sd_v2_attrs(sd), inode);
+ }
+
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid, 0);
++
+ pathrelse(path);
+ if (S_ISREG(inode->i_mode)) {
+ inode->i_op = &reiserfs_file_inode_operations;
+@@ -1254,13 +1263,15 @@ static void init_inode(struct inode *ino
+ static void inode2sd(void *sd, struct inode *inode, loff_t size)
+ {
+ struct stat_data *sd_v2 = (struct stat_data *)sd;
++ uid_t uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
++ gid_t gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
+ __u16 flags;
+
++ set_sd_v2_uid(sd_v2, uid);
++ set_sd_v2_gid(sd_v2, gid);
+ set_sd_v2_mode(sd_v2, inode->i_mode);
+ set_sd_v2_nlink(sd_v2, inode->i_nlink);
+- set_sd_v2_uid(sd_v2, inode->i_uid);
+ set_sd_v2_size(sd_v2, size);
+- set_sd_v2_gid(sd_v2, inode->i_gid);
+ set_sd_v2_mtime(sd_v2, inode->i_mtime.tv_sec);
+ set_sd_v2_atime(sd_v2, inode->i_atime.tv_sec);
+ set_sd_v2_ctime(sd_v2, inode->i_ctime.tv_sec);
+@@ -2875,14 +2886,19 @@ int reiserfs_commit_write(struct file *f
+ void sd_attrs_to_i_attrs(__u16 sd_attrs, struct inode *inode)
+ {
+ if (reiserfs_attrs(inode->i_sb)) {
+- if (sd_attrs & REISERFS_SYNC_FL)
+- inode->i_flags |= S_SYNC;
+- else
+- inode->i_flags &= ~S_SYNC;
+ if (sd_attrs & REISERFS_IMMUTABLE_FL)
+ inode->i_flags |= S_IMMUTABLE;
+ else
+ inode->i_flags &= ~S_IMMUTABLE;
++ if (sd_attrs & REISERFS_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++ else
++ inode->i_flags &= ~S_IXUNLINK;
++
++ if (sd_attrs & REISERFS_SYNC_FL)
++ inode->i_flags |= S_SYNC;
++ else
++ inode->i_flags &= ~S_SYNC;
+ if (sd_attrs & REISERFS_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+ else
+@@ -2895,6 +2911,15 @@ void sd_attrs_to_i_attrs(__u16 sd_attrs,
+ REISERFS_I(inode)->i_flags |= i_nopack_mask;
+ else
+ REISERFS_I(inode)->i_flags &= ~i_nopack_mask;
++
++ if (sd_attrs & REISERFS_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ else
++ inode->i_vflags &= ~V_BARRIER;
++ if (sd_attrs & REISERFS_COW_FL)
++ inode->i_vflags |= V_COW;
++ else
++ inode->i_vflags &= ~V_COW;
+ }
+ }
+
+@@ -2905,6 +2930,11 @@ void i_attrs_to_sd_attrs(struct inode *i
+ *sd_attrs |= REISERFS_IMMUTABLE_FL;
+ else
+ *sd_attrs &= ~REISERFS_IMMUTABLE_FL;
++ if (inode->i_flags & S_IXUNLINK)
++ *sd_attrs |= REISERFS_IXUNLINK_FL;
++ else
++ *sd_attrs &= ~REISERFS_IXUNLINK_FL;
++
+ if (inode->i_flags & S_SYNC)
+ *sd_attrs |= REISERFS_SYNC_FL;
+ else
+@@ -2917,6 +2947,15 @@ void i_attrs_to_sd_attrs(struct inode *i
+ *sd_attrs |= REISERFS_NOTAIL_FL;
+ else
+ *sd_attrs &= ~REISERFS_NOTAIL_FL;
++
++ if (inode->i_vflags & V_BARRIER)
++ *sd_attrs |= REISERFS_BARRIER_FL;
++ else
++ *sd_attrs &= ~REISERFS_BARRIER_FL;
++ if (inode->i_vflags & V_COW)
++ *sd_attrs |= REISERFS_COW_FL;
++ else
++ *sd_attrs &= ~REISERFS_COW_FL;
+ }
+ }
+
+@@ -3161,7 +3200,8 @@ int reiserfs_setattr(struct dentry *dent
+ }
+
+ if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
+- (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
++ (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid) ||
++ (ia_valid & ATTR_TAG && attr->ia_tag != inode->i_tag)) {
+ struct reiserfs_transaction_handle th;
+ int jbegin_count =
+ 2 *
+@@ -3192,6 +3232,9 @@ int reiserfs_setattr(struct dentry *dent
+ inode->i_uid = attr->ia_uid;
+ if (attr->ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
++ if ((attr->ia_valid & ATTR_TAG) &&
++ IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ mark_inode_dirty(inode);
+ error = journal_end(&th, inode->i_sb, jbegin_count);
+ if (error)
+diff -NurpP --minimal linux-3.4.45/fs/reiserfs/ioctl.c linux-3.4.45-vs2.3.3.9/fs/reiserfs/ioctl.c
+--- linux-3.4.45/fs/reiserfs/ioctl.c 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/reiserfs/ioctl.c 2012-05-21 16:15:05.000000000 +0000
+@@ -11,6 +11,21 @@
+ #include <linux/pagemap.h>
+ #include <linux/compat.h>
+
++
++int reiserfs_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ __u16 sd_attrs = 0;
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++
++ i_attrs_to_sd_attrs(inode, &sd_attrs);
++ REISERFS_I(inode)->i_attrs = sd_attrs;
++ inode->i_ctime = CURRENT_TIME_SEC;
++ mark_inode_dirty(inode);
++ return 0;
++}
++
+ /*
+ * reiserfs_ioctl - handler for ioctl for inode
+ * supported commands:
+@@ -22,7 +37,7 @@
+ long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_path.dentry->d_inode;
+- unsigned int flags;
++ unsigned int flags, oldflags;
+ int err = 0;
+
+ reiserfs_write_lock(inode->i_sb);
+@@ -47,6 +62,7 @@ long reiserfs_ioctl(struct file *filp, u
+
+ flags = REISERFS_I(inode)->i_attrs;
+ i_attrs_to_sd_attrs(inode, (__u16 *) & flags);
++ flags &= REISERFS_FL_USER_VISIBLE;
+ err = put_user(flags, (int __user *)arg);
+ break;
+ case REISERFS_IOC_SETFLAGS:{
+@@ -67,6 +83,10 @@ long reiserfs_ioctl(struct file *filp, u
+ err = -EFAULT;
+ goto setflags_out;
+ }
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
+ /*
+ * Is it quota file? Do not allow user to mess with it
+ */
+@@ -91,6 +111,10 @@ long reiserfs_ioctl(struct file *filp, u
+ goto setflags_out;
+ }
+ }
++
++ oldflags = REISERFS_I(inode)->i_attrs;
++ flags &= REISERFS_FL_USER_MODIFIABLE;
++ flags |= oldflags & ~REISERFS_FL_USER_MODIFIABLE;
+ sd_attrs_to_i_attrs(flags, inode);
+ REISERFS_I(inode)->i_attrs = flags;
+ inode->i_ctime = CURRENT_TIME_SEC;
+diff -NurpP --minimal linux-3.4.45/fs/reiserfs/namei.c linux-3.4.45-vs2.3.3.9/fs/reiserfs/namei.c
+--- linux-3.4.45/fs/reiserfs/namei.c 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/reiserfs/namei.c 2012-05-21 16:15:05.000000000 +0000
+@@ -18,6 +18,7 @@
+ #include "acl.h"
+ #include "xattr.h"
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+
+ #define INC_DIR_INODE_NLINK(i) if (i->i_nlink != 1) { inc_nlink(i); if (i->i_nlink >= REISERFS_LINK_MAX) set_nlink(i, 1); }
+ #define DEC_DIR_INODE_NLINK(i) if (i->i_nlink != 1) drop_nlink(i);
+@@ -362,6 +363,7 @@ static struct dentry *reiserfs_lookup(st
+ if (retval == IO_ERROR) {
+ return ERR_PTR(-EIO);
+ }
++ dx_propagate_tag(nd, inode);
+
+ return d_splice_alias(inode, dentry);
+ }
+diff -NurpP --minimal linux-3.4.45/fs/reiserfs/reiserfs.h linux-3.4.45-vs2.3.3.9/fs/reiserfs/reiserfs.h
+--- linux-3.4.45/fs/reiserfs/reiserfs.h 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/reiserfs/reiserfs.h 2012-05-21 17:19:33.000000000 +0000
+@@ -544,6 +544,7 @@ enum reiserfs_mount_options {
+ REISERFS_EXPOSE_PRIVROOT,
+ REISERFS_BARRIER_NONE,
+ REISERFS_BARRIER_FLUSH,
++ REISERFS_TAGGED,
+
+ /* Actions on error */
+ REISERFS_ERROR_PANIC,
+@@ -1543,6 +1544,11 @@ struct stat_data_v1 {
+ #define REISERFS_COMPR_FL FS_COMPR_FL
+ #define REISERFS_NOTAIL_FL FS_NOTAIL_FL
+
++/* unfortunately reiserfs sdattr is only 16 bit */
++#define REISERFS_IXUNLINK_FL (FS_IXUNLINK_FL >> 16)
++#define REISERFS_BARRIER_FL (FS_BARRIER_FL >> 16)
++#define REISERFS_COW_FL (FS_COW_FL >> 16)
++
+ /* persistent flags that file inherits from the parent directory */
+ #define REISERFS_INHERIT_MASK ( REISERFS_IMMUTABLE_FL | \
+ REISERFS_SYNC_FL | \
+@@ -1552,6 +1558,9 @@ struct stat_data_v1 {
+ REISERFS_COMPR_FL | \
+ REISERFS_NOTAIL_FL )
+
++#define REISERFS_FL_USER_VISIBLE 0x80FF
++#define REISERFS_FL_USER_MODIFIABLE 0x80FF
++
+ /* Stat Data on disk (reiserfs version of UFS disk inode minus the
+ address blocks) */
+ struct stat_data {
+@@ -2641,6 +2650,7 @@ static inline void reiserfs_update_sd(st
+ void sd_attrs_to_i_attrs(__u16 sd_attrs, struct inode *inode);
+ void i_attrs_to_sd_attrs(struct inode *inode, __u16 * sd_attrs);
+ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr);
++int reiserfs_sync_flags(struct inode *inode, int, int);
+
+ int __reiserfs_write_begin(struct page *page, unsigned from, unsigned len);
+
+diff -NurpP --minimal linux-3.4.45/fs/reiserfs/super.c linux-3.4.45-vs2.3.3.9/fs/reiserfs/super.c
+--- linux-3.4.45/fs/reiserfs/super.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/reiserfs/super.c 2012-12-08 00:53:53.000000000 +0000
+@@ -982,6 +982,14 @@ static int reiserfs_parse_options(struct
+ {"user_xattr",.setmask = 1 << REISERFS_UNSUPPORTED_OPT},
+ {"nouser_xattr",.clrmask = 1 << REISERFS_UNSUPPORTED_OPT},
+ #endif
++#ifndef CONFIG_TAGGING_NONE
++ {"tagxid",.setmask = 1 << REISERFS_TAGGED},
++ {"tag",.setmask = 1 << REISERFS_TAGGED},
++ {"notag",.clrmask = 1 << REISERFS_TAGGED},
++#endif
++#ifdef CONFIG_PROPAGATE
++ {"tag",.arg_required = 'T',.values = NULL},
++#endif
+ #ifdef CONFIG_REISERFS_FS_POSIX_ACL
+ {"acl",.setmask = 1 << REISERFS_POSIXACL},
+ {"noacl",.clrmask = 1 << REISERFS_POSIXACL},
+@@ -1300,6 +1308,14 @@ static int reiserfs_remount(struct super
+ handle_quota_files(s, qf_names, &qfmt);
+ #endif
+
++ if ((mount_options & (1 << REISERFS_TAGGED)) &&
++ !(s->s_flags & MS_TAGGED)) {
++ reiserfs_warning(s, "super-vs01",
++ "reiserfs: tagging not permitted on remount.");
++ err = -EINVAL;
++ goto out_err;
++ }
++
+ handle_attrs(s);
+
+ /* Add options that are safe here */
+@@ -1792,6 +1808,10 @@ static int reiserfs_fill_super(struct su
+ goto error_unlocked;
+ }
+
++ /* map mount option tagxid */
++ if (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_TAGGED))
++ s->s_flags |= MS_TAGGED;
++
+ rs = SB_DISK_SUPER_BLOCK(s);
+ /* Let's do basic sanity check to verify that underlying device is not
+ smaller than the filesystem. If the check fails then abort and scream,
+diff -NurpP --minimal linux-3.4.45/fs/reiserfs/xattr.c linux-3.4.45-vs2.3.3.9/fs/reiserfs/xattr.c
+--- linux-3.4.45/fs/reiserfs/xattr.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/reiserfs/xattr.c 2013-05-13 18:16:08.000000000 +0000
+@@ -40,6 +40,7 @@
+ #include <linux/errno.h>
+ #include <linux/gfp.h>
+ #include <linux/fs.h>
++#include <linux/mount.h>
+ #include <linux/file.h>
+ #include <linux/pagemap.h>
+ #include <linux/xattr.h>
+diff -NurpP --minimal linux-3.4.45/fs/stat.c linux-3.4.45-vs2.3.3.9/fs/stat.c
+--- linux-3.4.45/fs/stat.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/stat.c 2012-10-22 13:09:53.000000000 +0000
+@@ -26,6 +26,7 @@ void generic_fillattr(struct inode *inod
+ stat->nlink = inode->i_nlink;
+ stat->uid = inode->i_uid;
+ stat->gid = inode->i_gid;
++ stat->tag = inode->i_tag;
+ stat->rdev = inode->i_rdev;
+ stat->size = i_size_read(inode);
+ stat->atime = inode->i_atime;
+diff -NurpP --minimal linux-3.4.45/fs/statfs.c linux-3.4.45-vs2.3.3.9/fs/statfs.c
+--- linux-3.4.45/fs/statfs.c 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/statfs.c 2012-05-21 16:15:05.000000000 +0000
+@@ -7,6 +7,8 @@
+ #include <linux/statfs.h>
+ #include <linux/security.h>
+ #include <linux/uaccess.h>
++#include <linux/vs_base.h>
++#include <linux/vs_dlimit.h>
+ #include "internal.h"
+
+ static int flags_by_mnt(int mnt_flags)
+@@ -60,6 +62,8 @@ static int statfs_by_dentry(struct dentr
+ retval = dentry->d_sb->s_op->statfs(dentry, buf);
+ if (retval == 0 && buf->f_frsize == 0)
+ buf->f_frsize = buf->f_bsize;
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ vx_vsi_statfs(dentry->d_sb, buf);
+ return retval;
+ }
+
+diff -NurpP --minimal linux-3.4.45/fs/super.c linux-3.4.45-vs2.3.3.9/fs/super.c
+--- linux-3.4.45/fs/super.c 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/super.c 2012-05-21 16:59:38.000000000 +0000
+@@ -33,6 +33,8 @@
+ #include <linux/rculist_bl.h>
+ #include <linux/cleancache.h>
+ #include <linux/fsnotify.h>
++#include <linux/magic.h>
++#include <linux/vs_context.h>
+ #include "internal.h"
+
+
+@@ -1138,6 +1140,13 @@ mount_fs(struct file_system_type *type,
+ WARN_ON(sb->s_bdi == &default_backing_dev_info);
+ sb->s_flags |= MS_BORN;
+
++ error = -EPERM;
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT) &&
++ !sb->s_bdev &&
++ (sb->s_magic != PROC_SUPER_MAGIC) &&
++ (sb->s_magic != DEVPTS_SUPER_MAGIC))
++ goto out_sb;
++
+ error = security_sb_kern_mount(sb, flags, secdata);
+ if (error)
+ goto out_sb;
+diff -NurpP --minimal linux-3.4.45/fs/sysfs/mount.c linux-3.4.45-vs2.3.3.9/fs/sysfs/mount.c
+--- linux-3.4.45/fs/sysfs/mount.c 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/sysfs/mount.c 2012-05-21 16:15:05.000000000 +0000
+@@ -47,7 +47,7 @@ static int sysfs_fill_super(struct super
+
+ sb->s_blocksize = PAGE_CACHE_SIZE;
+ sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+- sb->s_magic = SYSFS_MAGIC;
++ sb->s_magic = SYSFS_SUPER_MAGIC;
+ sb->s_op = &sysfs_ops;
+ sb->s_time_gran = 1;
+
+diff -NurpP --minimal linux-3.4.45/fs/utimes.c linux-3.4.45-vs2.3.3.9/fs/utimes.c
+--- linux-3.4.45/fs/utimes.c 2011-05-22 14:17:54.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/utimes.c 2012-05-21 16:15:05.000000000 +0000
+@@ -8,6 +8,8 @@
+ #include <linux/stat.h>
+ #include <linux/utime.h>
+ #include <linux/syscalls.h>
++#include <linux/mount.h>
++#include <linux/vs_cowbl.h>
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+
+@@ -52,12 +54,18 @@ static int utimes_common(struct path *pa
+ {
+ int error;
+ struct iattr newattrs;
+- struct inode *inode = path->dentry->d_inode;
++ struct inode *inode;
+
+ error = mnt_want_write(path->mnt);
+ if (error)
+ goto out;
+
++ error = cow_check_and_break(path);
++ if (error)
++ goto mnt_drop_write_and_out;
++
++ inode = path->dentry->d_inode;
++
+ if (times && times[0].tv_nsec == UTIME_NOW &&
+ times[1].tv_nsec == UTIME_NOW)
+ times = NULL;
+diff -NurpP --minimal linux-3.4.45/fs/xattr.c linux-3.4.45-vs2.3.3.9/fs/xattr.c
+--- linux-3.4.45/fs/xattr.c 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xattr.c 2012-05-21 16:15:05.000000000 +0000
+@@ -20,6 +20,7 @@
+ #include <linux/fsnotify.h>
+ #include <linux/audit.h>
+ #include <linux/vmalloc.h>
++#include <linux/mount.h>
+
+ #include <asm/uaccess.h>
+
+@@ -51,7 +52,7 @@ xattr_permission(struct inode *inode, co
+ * The trusted.* namespace can only be accessed by privileged users.
+ */
+ if (!strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN)) {
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_FS_TRUSTED))
+ return (mask & MAY_WRITE) ? -EPERM : -ENODATA;
+ return 0;
+ }
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_dinode.h linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_dinode.h
+--- linux-3.4.45/fs/xfs/xfs_dinode.h 2011-10-24 16:45:31.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_dinode.h 2012-05-21 16:15:05.000000000 +0000
+@@ -51,7 +51,9 @@ typedef struct xfs_dinode {
+ __be32 di_nlink; /* number of links to file */
+ __be16 di_projid_lo; /* lower part of owner's project id */
+ __be16 di_projid_hi; /* higher part owner's project id */
+- __u8 di_pad[6]; /* unused, zeroed space */
++ __u8 di_pad[2]; /* unused, zeroed space */
++ __be16 di_tag; /* context tagging */
++ __be16 di_vflags; /* vserver specific flags */
+ __be16 di_flushiter; /* incremented on flush */
+ xfs_timestamp_t di_atime; /* time last accessed */
+ xfs_timestamp_t di_mtime; /* time last modified */
+@@ -184,6 +186,8 @@ static inline void xfs_dinode_put_rdev(s
+ #define XFS_DIFLAG_EXTSZINHERIT_BIT 12 /* inherit inode extent size */
+ #define XFS_DIFLAG_NODEFRAG_BIT 13 /* do not reorganize/defragment */
+ #define XFS_DIFLAG_FILESTREAM_BIT 14 /* use filestream allocator */
++#define XFS_DIFLAG_IXUNLINK_BIT 15 /* Immutable inver on unlink */
++
+ #define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT)
+ #define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT)
+ #define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT)
+@@ -199,6 +203,7 @@ static inline void xfs_dinode_put_rdev(s
+ #define XFS_DIFLAG_EXTSZINHERIT (1 << XFS_DIFLAG_EXTSZINHERIT_BIT)
+ #define XFS_DIFLAG_NODEFRAG (1 << XFS_DIFLAG_NODEFRAG_BIT)
+ #define XFS_DIFLAG_FILESTREAM (1 << XFS_DIFLAG_FILESTREAM_BIT)
++#define XFS_DIFLAG_IXUNLINK (1 << XFS_DIFLAG_IXUNLINK_BIT)
+
+ #ifdef CONFIG_XFS_RT
+ #define XFS_IS_REALTIME_INODE(ip) ((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME)
+@@ -211,6 +216,10 @@ static inline void xfs_dinode_put_rdev(s
+ XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \
+ XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \
+ XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \
+- XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM)
++ XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM | \
++ XFS_DIFLAG_IXUNLINK)
++
++#define XFS_DIVFLAG_BARRIER 0x01
++#define XFS_DIVFLAG_COW 0x02
+
+ #endif /* __XFS_DINODE_H__ */
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_fs.h linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_fs.h
+--- linux-3.4.45/fs/xfs/xfs_fs.h 2011-10-24 16:45:31.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_fs.h 2012-05-21 16:15:05.000000000 +0000
+@@ -67,6 +67,9 @@ struct fsxattr {
+ #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
+ #define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
+ #define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
++#define XFS_XFLAG_IXUNLINK 0x00008000 /* immutable invert on unlink */
++#define XFS_XFLAG_BARRIER 0x10000000 /* chroot() barrier */
++#define XFS_XFLAG_COW 0x20000000 /* copy on write mark */
+ #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
+
+ /*
+@@ -302,7 +305,8 @@ typedef struct xfs_bstat {
+ #define bs_projid bs_projid_lo /* (previously just bs_projid) */
+ __u16 bs_forkoff; /* inode fork offset in bytes */
+ __u16 bs_projid_hi; /* higher part of project id */
+- unsigned char bs_pad[10]; /* pad space, unused */
++ unsigned char bs_pad[8]; /* pad space, unused */
++ __u16 bs_tag; /* context tagging */
+ __u32 bs_dmevmask; /* DMIG event mask */
+ __u16 bs_dmstate; /* DMIG state info */
+ __u16 bs_aextents; /* attribute number of extents */
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_ialloc.c linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_ialloc.c
+--- linux-3.4.45/fs/xfs/xfs_ialloc.c 2012-03-19 18:47:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_ialloc.c 2012-05-21 16:15:05.000000000 +0000
+@@ -37,7 +37,6 @@
+ #include "xfs_error.h"
+ #include "xfs_bmap.h"
+
+-
+ /*
+ * Allocation group level functions.
+ */
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_inode.c linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_inode.c
+--- linux-3.4.45/fs/xfs/xfs_inode.c 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_inode.c 2012-05-21 16:15:05.000000000 +0000
+@@ -236,6 +236,7 @@ xfs_inotobp(
+ return 0;
+ }
+
++#include <linux/vs_tag.h>
+
+ /*
+ * This routine is called to map an inode to the buffer containing
+@@ -631,15 +632,25 @@ xfs_iformat_btree(
+ STATIC void
+ xfs_dinode_from_disk(
+ xfs_icdinode_t *to,
+- xfs_dinode_t *from)
++ xfs_dinode_t *from,
++ int tagged)
+ {
++ uint32_t uid, gid, tag;
++
+ to->di_magic = be16_to_cpu(from->di_magic);
+ to->di_mode = be16_to_cpu(from->di_mode);
+ to->di_version = from ->di_version;
+ to->di_format = from->di_format;
+ to->di_onlink = be16_to_cpu(from->di_onlink);
+- to->di_uid = be32_to_cpu(from->di_uid);
+- to->di_gid = be32_to_cpu(from->di_gid);
++
++ uid = be32_to_cpu(from->di_uid);
++ gid = be32_to_cpu(from->di_gid);
++ tag = be16_to_cpu(from->di_tag);
++
++ to->di_uid = INOTAG_UID(tagged, uid, gid);
++ to->di_gid = INOTAG_GID(tagged, uid, gid);
++ to->di_tag = INOTAG_TAG(tagged, uid, gid, tag);
++
+ to->di_nlink = be32_to_cpu(from->di_nlink);
+ to->di_projid_lo = be16_to_cpu(from->di_projid_lo);
+ to->di_projid_hi = be16_to_cpu(from->di_projid_hi);
+@@ -661,21 +672,26 @@ xfs_dinode_from_disk(
+ to->di_dmevmask = be32_to_cpu(from->di_dmevmask);
+ to->di_dmstate = be16_to_cpu(from->di_dmstate);
+ to->di_flags = be16_to_cpu(from->di_flags);
++ to->di_vflags = be16_to_cpu(from->di_vflags);
+ to->di_gen = be32_to_cpu(from->di_gen);
+ }
+
+ void
+ xfs_dinode_to_disk(
+ xfs_dinode_t *to,
+- xfs_icdinode_t *from)
++ xfs_icdinode_t *from,
++ int tagged)
+ {
+ to->di_magic = cpu_to_be16(from->di_magic);
+ to->di_mode = cpu_to_be16(from->di_mode);
+ to->di_version = from ->di_version;
+ to->di_format = from->di_format;
+ to->di_onlink = cpu_to_be16(from->di_onlink);
+- to->di_uid = cpu_to_be32(from->di_uid);
+- to->di_gid = cpu_to_be32(from->di_gid);
++
++ to->di_uid = cpu_to_be32(TAGINO_UID(tagged, from->di_uid, from->di_tag));
++ to->di_gid = cpu_to_be32(TAGINO_GID(tagged, from->di_gid, from->di_tag));
++ to->di_tag = cpu_to_be16(TAGINO_TAG(tagged, from->di_tag));
++
+ to->di_nlink = cpu_to_be32(from->di_nlink);
+ to->di_projid_lo = cpu_to_be16(from->di_projid_lo);
+ to->di_projid_hi = cpu_to_be16(from->di_projid_hi);
+@@ -697,12 +713,14 @@ xfs_dinode_to_disk(
+ to->di_dmevmask = cpu_to_be32(from->di_dmevmask);
+ to->di_dmstate = cpu_to_be16(from->di_dmstate);
+ to->di_flags = cpu_to_be16(from->di_flags);
++ to->di_vflags = cpu_to_be16(from->di_vflags);
+ to->di_gen = cpu_to_be32(from->di_gen);
+ }
+
+ STATIC uint
+ _xfs_dic2xflags(
+- __uint16_t di_flags)
++ __uint16_t di_flags,
++ __uint16_t di_vflags)
+ {
+ uint flags = 0;
+
+@@ -713,6 +731,8 @@ _xfs_dic2xflags(
+ flags |= XFS_XFLAG_PREALLOC;
+ if (di_flags & XFS_DIFLAG_IMMUTABLE)
+ flags |= XFS_XFLAG_IMMUTABLE;
++ if (di_flags & XFS_DIFLAG_IXUNLINK)
++ flags |= XFS_XFLAG_IXUNLINK;
+ if (di_flags & XFS_DIFLAG_APPEND)
+ flags |= XFS_XFLAG_APPEND;
+ if (di_flags & XFS_DIFLAG_SYNC)
+@@ -737,6 +757,10 @@ _xfs_dic2xflags(
+ flags |= XFS_XFLAG_FILESTREAM;
+ }
+
++ if (di_vflags & XFS_DIVFLAG_BARRIER)
++ flags |= FS_BARRIER_FL;
++ if (di_vflags & XFS_DIVFLAG_COW)
++ flags |= FS_COW_FL;
+ return flags;
+ }
+
+@@ -746,7 +770,7 @@ xfs_ip2xflags(
+ {
+ xfs_icdinode_t *dic = &ip->i_d;
+
+- return _xfs_dic2xflags(dic->di_flags) |
++ return _xfs_dic2xflags(dic->di_flags, dic->di_vflags) |
+ (XFS_IFORK_Q(ip) ? XFS_XFLAG_HASATTR : 0);
+ }
+
+@@ -754,7 +778,8 @@ uint
+ xfs_dic2xflags(
+ xfs_dinode_t *dip)
+ {
+- return _xfs_dic2xflags(be16_to_cpu(dip->di_flags)) |
++ return _xfs_dic2xflags(be16_to_cpu(dip->di_flags),
++ be16_to_cpu(dip->di_vflags)) |
+ (XFS_DFORK_Q(dip) ? XFS_XFLAG_HASATTR : 0);
+ }
+
+@@ -787,7 +812,6 @@ xfs_iread(
+ if (error)
+ return error;
+ dip = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_imap.im_boffset);
+-
+ /*
+ * If we got something that isn't an inode it means someone
+ * (nfs or dmi) has a stale handle.
+@@ -810,7 +834,8 @@ xfs_iread(
+ * Otherwise, just get the truly permanent information.
+ */
+ if (dip->di_mode) {
+- xfs_dinode_from_disk(&ip->i_d, dip);
++ xfs_dinode_from_disk(&ip->i_d, dip,
++ mp->m_flags & XFS_MOUNT_TAGGED);
+ error = xfs_iformat(ip, dip);
+ if (error) {
+ #ifdef DEBUG
+@@ -998,6 +1023,7 @@ xfs_ialloc(
+ ASSERT(ip->i_d.di_nlink == nlink);
+ ip->i_d.di_uid = current_fsuid();
+ ip->i_d.di_gid = current_fsgid();
++ ip->i_d.di_tag = current_fstag(&ip->i_vnode);
+ xfs_set_projid(ip, prid);
+ memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
+
+@@ -1057,6 +1083,7 @@ xfs_ialloc(
+ ip->i_d.di_dmevmask = 0;
+ ip->i_d.di_dmstate = 0;
+ ip->i_d.di_flags = 0;
++ ip->i_d.di_vflags = 0;
+ flags = XFS_ILOG_CORE;
+ switch (mode & S_IFMT) {
+ case S_IFIFO:
+@@ -1725,6 +1752,7 @@ xfs_ifree(
+ }
+ ip->i_d.di_mode = 0; /* mark incore inode as free */
+ ip->i_d.di_flags = 0;
++ ip->i_d.di_vflags = 0;
+ ip->i_d.di_dmevmask = 0;
+ ip->i_d.di_forkoff = 0; /* mark the attr fork not in use */
+ ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS;
+@@ -2598,7 +2626,8 @@ xfs_iflush_int(
+ * because if the inode is dirty at all the core must
+ * be.
+ */
+- xfs_dinode_to_disk(dip, &ip->i_d);
++ xfs_dinode_to_disk(dip, &ip->i_d,
++ mp->m_flags & XFS_MOUNT_TAGGED);
+
+ /* Wrap, we never let the log put out DI_MAX_FLUSH */
+ if (ip->i_d.di_flushiter == DI_MAX_FLUSH)
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_inode.h linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_inode.h
+--- linux-3.4.45/fs/xfs/xfs_inode.h 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_inode.h 2012-05-21 16:15:05.000000000 +0000
+@@ -134,7 +134,9 @@ typedef struct xfs_icdinode {
+ __uint32_t di_nlink; /* number of links to file */
+ __uint16_t di_projid_lo; /* lower part of owner's project id */
+ __uint16_t di_projid_hi; /* higher part of owner's project id */
+- __uint8_t di_pad[6]; /* unused, zeroed space */
++ __uint8_t di_pad[2]; /* unused, zeroed space */
++ __uint16_t di_tag; /* context tagging */
++ __uint16_t di_vflags; /* vserver specific flags */
+ __uint16_t di_flushiter; /* incremented on flush */
+ xfs_ictimestamp_t di_atime; /* time last accessed */
+ xfs_ictimestamp_t di_mtime; /* time last modified */
+@@ -565,7 +567,7 @@ int xfs_itobp(struct xfs_mount *, struc
+ int xfs_iread(struct xfs_mount *, struct xfs_trans *,
+ struct xfs_inode *, uint);
+ void xfs_dinode_to_disk(struct xfs_dinode *,
+- struct xfs_icdinode *);
++ struct xfs_icdinode *, int);
+ void xfs_idestroy_fork(struct xfs_inode *, int);
+ void xfs_idata_realloc(struct xfs_inode *, int, int);
+ void xfs_iroot_realloc(struct xfs_inode *, int, int);
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_ioctl.c linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_ioctl.c
+--- linux-3.4.45/fs/xfs/xfs_ioctl.c 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_ioctl.c 2012-05-21 16:15:05.000000000 +0000
+@@ -28,7 +28,7 @@
+ #include "xfs_bmap_btree.h"
+ #include "xfs_dinode.h"
+ #include "xfs_inode.h"
+-#include "xfs_ioctl.h"
++// #include "xfs_ioctl.h"
+ #include "xfs_rtalloc.h"
+ #include "xfs_itable.h"
+ #include "xfs_error.h"
+@@ -750,6 +750,10 @@ xfs_merge_ioc_xflags(
+ xflags |= XFS_XFLAG_IMMUTABLE;
+ else
+ xflags &= ~XFS_XFLAG_IMMUTABLE;
++ if (flags & FS_IXUNLINK_FL)
++ xflags |= XFS_XFLAG_IXUNLINK;
++ else
++ xflags &= ~XFS_XFLAG_IXUNLINK;
+ if (flags & FS_APPEND_FL)
+ xflags |= XFS_XFLAG_APPEND;
+ else
+@@ -778,6 +782,8 @@ xfs_di2lxflags(
+
+ if (di_flags & XFS_DIFLAG_IMMUTABLE)
+ flags |= FS_IMMUTABLE_FL;
++ if (di_flags & XFS_DIFLAG_IXUNLINK)
++ flags |= FS_IXUNLINK_FL;
+ if (di_flags & XFS_DIFLAG_APPEND)
+ flags |= FS_APPEND_FL;
+ if (di_flags & XFS_DIFLAG_SYNC)
+@@ -838,6 +844,8 @@ xfs_set_diflags(
+ di_flags = (ip->i_d.di_flags & XFS_DIFLAG_PREALLOC);
+ if (xflags & XFS_XFLAG_IMMUTABLE)
+ di_flags |= XFS_DIFLAG_IMMUTABLE;
++ if (xflags & XFS_XFLAG_IXUNLINK)
++ di_flags |= XFS_DIFLAG_IXUNLINK;
+ if (xflags & XFS_XFLAG_APPEND)
+ di_flags |= XFS_DIFLAG_APPEND;
+ if (xflags & XFS_XFLAG_SYNC)
+@@ -880,6 +888,10 @@ xfs_diflags_to_linux(
+ inode->i_flags |= S_IMMUTABLE;
+ else
+ inode->i_flags &= ~S_IMMUTABLE;
++ if (xflags & XFS_XFLAG_IXUNLINK)
++ inode->i_flags |= S_IXUNLINK;
++ else
++ inode->i_flags &= ~S_IXUNLINK;
+ if (xflags & XFS_XFLAG_APPEND)
+ inode->i_flags |= S_APPEND;
+ else
+@@ -1372,10 +1384,18 @@ xfs_file_ioctl(
+ case XFS_IOC_FSGETXATTRA:
+ return xfs_ioc_fsgetxattr(ip, 1, arg);
+ case XFS_IOC_FSSETXATTR:
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -XFS_ERROR(EACCES);
++ }
+ return xfs_ioc_fssetxattr(ip, filp, arg);
+ case XFS_IOC_GETXFLAGS:
+ return xfs_ioc_getxflags(ip, arg);
+ case XFS_IOC_SETXFLAGS:
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -XFS_ERROR(EACCES);
++ }
+ return xfs_ioc_setxflags(ip, filp, arg);
+
+ case XFS_IOC_FSSETDM: {
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_ioctl.h linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_ioctl.h
+--- linux-3.4.45/fs/xfs/xfs_ioctl.h 2011-10-24 16:45:31.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_ioctl.h 2012-05-21 16:15:05.000000000 +0000
+@@ -70,6 +70,12 @@ xfs_handle_to_dentry(
+ void __user *uhandle,
+ u32 hlen);
+
++extern int
++xfs_sync_flags(
++ struct inode *inode,
++ int flags,
++ int vflags);
++
+ extern long
+ xfs_file_ioctl(
+ struct file *filp,
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_iops.c linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_iops.c
+--- linux-3.4.45/fs/xfs/xfs_iops.c 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_iops.c 2012-05-21 16:15:05.000000000 +0000
+@@ -30,6 +30,7 @@
+ #include "xfs_bmap_btree.h"
+ #include "xfs_dinode.h"
+ #include "xfs_inode.h"
++#include "xfs_ioctl.h"
+ #include "xfs_bmap.h"
+ #include "xfs_rtalloc.h"
+ #include "xfs_error.h"
+@@ -49,6 +50,7 @@
+ #include <linux/security.h>
+ #include <linux/fiemap.h>
+ #include <linux/slab.h>
++#include <linux/vs_tag.h>
+
+ static int
+ xfs_initxattrs(
+@@ -424,6 +426,7 @@ xfs_vn_getattr(
+ stat->nlink = ip->i_d.di_nlink;
+ stat->uid = ip->i_d.di_uid;
+ stat->gid = ip->i_d.di_gid;
++ stat->tag = ip->i_d.di_tag;
+ stat->ino = ip->i_ino;
+ stat->atime = inode->i_atime;
+ stat->mtime = inode->i_mtime;
+@@ -996,6 +999,7 @@ static const struct inode_operations xfs
+ .removexattr = generic_removexattr,
+ .listxattr = xfs_vn_listxattr,
+ .fiemap = xfs_vn_fiemap,
++ .sync_flags = xfs_sync_flags,
+ };
+
+ static const struct inode_operations xfs_dir_inode_operations = {
+@@ -1021,6 +1025,7 @@ static const struct inode_operations xfs
+ .getxattr = generic_getxattr,
+ .removexattr = generic_removexattr,
+ .listxattr = xfs_vn_listxattr,
++ .sync_flags = xfs_sync_flags,
+ };
+
+ static const struct inode_operations xfs_dir_ci_inode_operations = {
+@@ -1070,6 +1075,10 @@ xfs_diflags_to_iflags(
+ inode->i_flags |= S_IMMUTABLE;
+ else
+ inode->i_flags &= ~S_IMMUTABLE;
++ if (ip->i_d.di_flags & XFS_DIFLAG_IXUNLINK)
++ inode->i_flags |= S_IXUNLINK;
++ else
++ inode->i_flags &= ~S_IXUNLINK;
+ if (ip->i_d.di_flags & XFS_DIFLAG_APPEND)
+ inode->i_flags |= S_APPEND;
+ else
+@@ -1082,6 +1091,15 @@ xfs_diflags_to_iflags(
+ inode->i_flags |= S_NOATIME;
+ else
+ inode->i_flags &= ~S_NOATIME;
++
++ if (ip->i_d.di_vflags & XFS_DIVFLAG_BARRIER)
++ inode->i_vflags |= V_BARRIER;
++ else
++ inode->i_vflags &= ~V_BARRIER;
++ if (ip->i_d.di_vflags & XFS_DIVFLAG_COW)
++ inode->i_vflags |= V_COW;
++ else
++ inode->i_vflags &= ~V_COW;
+ }
+
+ /*
+@@ -1113,6 +1131,7 @@ xfs_setup_inode(
+ set_nlink(inode, ip->i_d.di_nlink);
+ inode->i_uid = ip->i_d.di_uid;
+ inode->i_gid = ip->i_d.di_gid;
++ inode->i_tag = ip->i_d.di_tag;
+
+ switch (inode->i_mode & S_IFMT) {
+ case S_IFBLK:
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_itable.c linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_itable.c
+--- linux-3.4.45/fs/xfs/xfs_itable.c 2012-05-21 16:07:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_itable.c 2012-05-21 16:15:05.000000000 +0000
+@@ -97,6 +97,7 @@ xfs_bulkstat_one_int(
+ buf->bs_mode = dic->di_mode;
+ buf->bs_uid = dic->di_uid;
+ buf->bs_gid = dic->di_gid;
++ buf->bs_tag = dic->di_tag;
+ buf->bs_size = dic->di_size;
+ buf->bs_atime.tv_sec = dic->di_atime.t_sec;
+ buf->bs_atime.tv_nsec = dic->di_atime.t_nsec;
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_linux.h linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_linux.h
+--- linux-3.4.45/fs/xfs/xfs_linux.h 2011-10-24 16:45:31.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_linux.h 2012-05-21 16:15:05.000000000 +0000
+@@ -121,6 +121,7 @@
+
+ #define current_cpu() (raw_smp_processor_id())
+ #define current_pid() (current->pid)
++#define current_fstag(vp) (dx_current_fstag((vp)->i_sb))
+ #define current_test_flags(f) (current->flags & (f))
+ #define current_set_flags_nested(sp, f) \
+ (*(sp) = current->flags, current->flags |= (f))
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_log_recover.c linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_log_recover.c
+--- linux-3.4.45/fs/xfs/xfs_log_recover.c 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_log_recover.c 2012-11-18 23:52:29.000000000 +0000
+@@ -2344,7 +2344,8 @@ xlog_recover_inode_pass2(
+ }
+
+ /* The core is in in-core format */
+- xfs_dinode_to_disk(dip, item->ri_buf[1].i_addr);
++ xfs_dinode_to_disk(dip, item->ri_buf[1].i_addr,
++ mp->m_flags & XFS_MOUNT_TAGGED);
+
+ /* the rest is in on-disk format */
+ if (item->ri_buf[1].i_len > sizeof(struct xfs_icdinode)) {
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_mount.h linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_mount.h
+--- linux-3.4.45/fs/xfs/xfs_mount.h 2012-05-21 16:07:28.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_mount.h 2012-05-21 16:15:05.000000000 +0000
+@@ -251,6 +251,7 @@ typedef struct xfs_mount {
+ allocator */
+ #define XFS_MOUNT_NOATTR2 (1ULL << 25) /* disable use of attr2 format */
+
++#define XFS_MOUNT_TAGGED (1ULL << 31) /* context tagging */
+
+ /*
+ * Default minimum read and write sizes.
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_super.c linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_super.c
+--- linux-3.4.45/fs/xfs/xfs_super.c 2012-05-21 16:07:28.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_super.c 2012-05-21 16:15:05.000000000 +0000
+@@ -113,6 +113,9 @@ mempool_t *xfs_ioend_pool;
+ #define MNTOPT_NODELAYLOG "nodelaylog" /* Delayed logging disabled */
+ #define MNTOPT_DISCARD "discard" /* Discard unused blocks */
+ #define MNTOPT_NODISCARD "nodiscard" /* Do not discard unused blocks */
++#define MNTOPT_TAGXID "tagxid" /* context tagging for inodes */
++#define MNTOPT_TAGGED "tag" /* context tagging for inodes */
++#define MNTOPT_NOTAGTAG "notag" /* do not use context tagging */
+
+ /*
+ * Table driven mount option parser.
+@@ -121,10 +124,14 @@ mempool_t *xfs_ioend_pool;
+ * in the future, too.
+ */
+ enum {
++ Opt_tag, Opt_notag,
+ Opt_barrier, Opt_nobarrier, Opt_err
+ };
+
+ static const match_table_t tokens = {
++ {Opt_tag, "tagxid"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
+ {Opt_barrier, "barrier"},
+ {Opt_nobarrier, "nobarrier"},
+ {Opt_err, NULL}
+@@ -372,6 +379,19 @@ xfs_parseargs(
+ } else if (!strcmp(this_char, "irixsgid")) {
+ xfs_warn(mp,
+ "irixsgid is now a sysctl(2) variable, option is deprecated.");
++#ifndef CONFIG_TAGGING_NONE
++ } else if (!strcmp(this_char, MNTOPT_TAGGED)) {
++ mp->m_flags |= XFS_MOUNT_TAGGED;
++ } else if (!strcmp(this_char, MNTOPT_NOTAGTAG)) {
++ mp->m_flags &= ~XFS_MOUNT_TAGGED;
++ } else if (!strcmp(this_char, MNTOPT_TAGXID)) {
++ mp->m_flags |= XFS_MOUNT_TAGGED;
++#endif
++#ifdef CONFIG_PROPAGATE
++ } else if (!strcmp(this_char, MNTOPT_TAGGED)) {
++ /* use value */
++ mp->m_flags |= XFS_MOUNT_TAGGED;
++#endif
+ } else {
+ xfs_warn(mp, "unknown mount option [%s].", this_char);
+ return EINVAL;
+@@ -1127,6 +1147,16 @@ xfs_fs_remount(
+ case Opt_nobarrier:
+ mp->m_flags &= ~XFS_MOUNT_BARRIER;
+ break;
++ case Opt_tag:
++ if (!(sb->s_flags & MS_TAGGED)) {
++ printk(KERN_INFO
++ "XFS: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ return -EINVAL;
++ }
++ break;
++ case Opt_notag:
++ break;
+ default:
+ /*
+ * Logically we would return an error here to prevent
+@@ -1346,6 +1376,9 @@ xfs_fs_fill_super(
+ if (error)
+ goto out_free_sb;
+
++ if (mp->m_flags & XFS_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ /*
+ * we must configure the block size in the superblock before we run the
+ * full mount process as the mount process can lookup and cache inodes.
+diff -NurpP --minimal linux-3.4.45/fs/xfs/xfs_vnodeops.c linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_vnodeops.c
+--- linux-3.4.45/fs/xfs/xfs_vnodeops.c 2012-05-21 16:07:28.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/fs/xfs/xfs_vnodeops.c 2012-05-21 16:15:05.000000000 +0000
+@@ -106,6 +106,77 @@ xfs_readlink_bmap(
+ return error;
+ }
+
++
++STATIC void
++xfs_get_inode_flags(
++ xfs_inode_t *ip)
++{
++ struct inode *inode = VFS_I(ip);
++ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ if (flags & S_IMMUTABLE)
++ ip->i_d.di_flags |= XFS_DIFLAG_IMMUTABLE;
++ else
++ ip->i_d.di_flags &= ~XFS_DIFLAG_IMMUTABLE;
++ if (flags & S_IXUNLINK)
++ ip->i_d.di_flags |= XFS_DIFLAG_IXUNLINK;
++ else
++ ip->i_d.di_flags &= ~XFS_DIFLAG_IXUNLINK;
++
++ if (vflags & V_BARRIER)
++ ip->i_d.di_vflags |= XFS_DIVFLAG_BARRIER;
++ else
++ ip->i_d.di_vflags &= ~XFS_DIVFLAG_BARRIER;
++ if (vflags & V_COW)
++ ip->i_d.di_vflags |= XFS_DIVFLAG_COW;
++ else
++ ip->i_d.di_vflags &= ~XFS_DIVFLAG_COW;
++}
++
++int
++xfs_sync_flags(
++ struct inode *inode,
++ int flags,
++ int vflags)
++{
++ struct xfs_inode *ip = XFS_I(inode);
++ struct xfs_mount *mp = ip->i_mount;
++ struct xfs_trans *tp;
++ unsigned int lock_flags = 0;
++ int code;
++
++ tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
++ code = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), 0, 0, 0);
++ if (code)
++ goto error_out;
++
++ xfs_ilock(ip, XFS_ILOCK_EXCL);
++ xfs_trans_ijoin(tp, ip, 0);
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ xfs_get_inode_flags(ip);
++
++ xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
++ xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
++
++ XFS_STATS_INC(xs_ig_attrchg);
++
++ if (mp->m_flags & XFS_MOUNT_WSYNC)
++ xfs_trans_set_sync(tp);
++ code = xfs_trans_commit(tp, 0);
++ xfs_iunlock(ip, XFS_ILOCK_EXCL);
++ return code;
++
++error_out:
++ xfs_trans_cancel(tp, 0);
++ if (lock_flags)
++ xfs_iunlock(ip, XFS_ILOCK_EXCL);
++ return code;
++}
++
++
+ int
+ xfs_readlink(
+ xfs_inode_t *ip,
+diff -NurpP --minimal linux-3.4.45/include/linux/Kbuild linux-3.4.45-vs2.3.3.9/include/linux/Kbuild
+--- linux-3.4.45/include/linux/Kbuild 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/Kbuild 2012-07-24 09:52:30.000000000 +0000
+@@ -18,6 +18,7 @@ header-y += netfilter_bridge/
+ header-y += netfilter_ipv4/
+ header-y += netfilter_ipv6/
+ header-y += usb/
++header-y += vserver/
+ header-y += wimax/
+
+ objhdr-y += version.h
+diff -NurpP --minimal linux-3.4.45/include/linux/capability.h linux-3.4.45-vs2.3.3.9/include/linux/capability.h
+--- linux-3.4.45/include/linux/capability.h 2012-03-19 18:47:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/capability.h 2012-05-21 16:15:05.000000000 +0000
+@@ -280,6 +280,7 @@ struct cpu_vfs_cap_data {
+ arbitrary SCSI commands */
+ /* Allow setting encryption key on loopback filesystem */
+ /* Allow setting zone reclaim policy */
++/* Allow the selection of a security context */
+
+ #define CAP_SYS_ADMIN 21
+
+@@ -363,7 +364,12 @@ struct cpu_vfs_cap_data {
+
+ #define CAP_LAST_CAP CAP_WAKE_ALARM
+
+-#define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)
++/* Allow context manipulations */
++/* Allow changing context info on files */
++
++#define CAP_CONTEXT 63
++
++#define cap_valid(x) ((x) >= 0 && ((x) <= CAP_LAST_CAP || (x) == CAP_CONTEXT))
+
+ /*
+ * Bit location of each capability (used by user-space library and kernel)
+diff -NurpP --minimal linux-3.4.45/include/linux/cred.h linux-3.4.45-vs2.3.3.9/include/linux/cred.h
+--- linux-3.4.45/include/linux/cred.h 2012-03-19 18:47:27.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/cred.h 2012-05-21 16:15:05.000000000 +0000
+@@ -156,6 +156,7 @@ extern void exit_creds(struct task_struc
+ extern int copy_creds(struct task_struct *, unsigned long);
+ extern const struct cred *get_task_cred(struct task_struct *);
+ extern struct cred *cred_alloc_blank(void);
++extern struct cred *__prepare_creds(const struct cred *);
+ extern struct cred *prepare_creds(void);
+ extern struct cred *prepare_exec_creds(void);
+ extern int commit_creds(struct cred *);
+@@ -209,6 +210,31 @@ static inline void validate_process_cred
+ }
+ #endif
+
++static inline void set_cred_subscribers(struct cred *cred, int n)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ atomic_set(&cred->subscribers, n);
++#endif
++}
++
++static inline int read_cred_subscribers(const struct cred *cred)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ return atomic_read(&cred->subscribers);
++#else
++ return 0;
++#endif
++}
++
++static inline void alter_cred_subscribers(const struct cred *_cred, int n)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ struct cred *cred = (struct cred *) _cred;
++
++ atomic_add(n, &cred->subscribers);
++#endif
++}
++
+ /**
+ * get_new_cred - Get a reference on a new set of credentials
+ * @cred: The new credentials to reference
+diff -NurpP --minimal linux-3.4.45/include/linux/devpts_fs.h linux-3.4.45-vs2.3.3.9/include/linux/devpts_fs.h
+--- linux-3.4.45/include/linux/devpts_fs.h 2008-12-24 23:26:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/devpts_fs.h 2012-05-21 16:15:05.000000000 +0000
+@@ -45,5 +45,4 @@ static inline void devpts_pty_kill(struc
+
+ #endif
+
+-
+ #endif /* _LINUX_DEVPTS_FS_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/fs.h linux-3.4.45-vs2.3.3.9/include/linux/fs.h
+--- linux-3.4.45/include/linux/fs.h 2012-05-21 16:07:29.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/fs.h 2012-05-21 16:15:05.000000000 +0000
+@@ -214,6 +214,9 @@ struct inodes_stat_t {
+ #define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */
+ #define MS_I_VERSION (1<<23) /* Update inode I_version field */
+ #define MS_STRICTATIME (1<<24) /* Always perform atime updates */
++#define MS_TAGGED (1<<25) /* use generic inode tagging */
++#define MS_TAGID (1<<26) /* use specific tag for this mount */
++#define MS_NOTAGCHECK (1<<27) /* don't check tags */
+ #define MS_NOSEC (1<<28)
+ #define MS_BORN (1<<29)
+ #define MS_ACTIVE (1<<30)
+@@ -245,6 +248,14 @@ struct inodes_stat_t {
+ #define S_IMA 1024 /* Inode has an associated IMA struct */
+ #define S_AUTOMOUNT 2048 /* Automount/referral quasi-directory */
+ #define S_NOSEC 4096 /* no suid or xattr security attributes */
++#define S_IXUNLINK 8192 /* Immutable Invert on unlink */
++
++/* Linux-VServer related Inode flags */
++
++#define V_VALID 1
++#define V_XATTR 2
++#define V_BARRIER 4 /* Barrier for chroot() */
++#define V_COW 8 /* Copy on Write */
+
+ /*
+ * Note that nosuid etc flags are inode-specific: setting some file-system
+@@ -267,12 +278,15 @@ struct inodes_stat_t {
+ #define IS_DIRSYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) || \
+ ((inode)->i_flags & (S_SYNC|S_DIRSYNC)))
+ #define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
+-#define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
+-#define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)
++#define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
++#define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)
++#define IS_TAGGED(inode) __IS_FLG(inode, MS_TAGGED)
+
+ #define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA)
+ #define IS_APPEND(inode) ((inode)->i_flags & S_APPEND)
+ #define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE)
++#define IS_IXUNLINK(inode) ((inode)->i_flags & S_IXUNLINK)
++#define IS_IXORUNLINK(inode) ((IS_IXUNLINK(inode) ? S_IMMUTABLE : 0) ^ IS_IMMUTABLE(inode))
+ #define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL)
+
+ #define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
+@@ -283,6 +297,16 @@ struct inodes_stat_t {
+ #define IS_AUTOMOUNT(inode) ((inode)->i_flags & S_AUTOMOUNT)
+ #define IS_NOSEC(inode) ((inode)->i_flags & S_NOSEC)
+
++#define IS_BARRIER(inode) (S_ISDIR((inode)->i_mode) && ((inode)->i_vflags & V_BARRIER))
++
++#ifdef CONFIG_VSERVER_COWBL
++# define IS_COW(inode) (IS_IXUNLINK(inode) && IS_IMMUTABLE(inode))
++# define IS_COW_LINK(inode) (S_ISREG((inode)->i_mode) && ((inode)->i_nlink > 1))
++#else
++# define IS_COW(inode) (0)
++# define IS_COW_LINK(inode) (0)
++#endif
++
+ /* the read-only stuff doesn't really belong here, but any other place is
+ probably as bad and I don't want to create yet another include file. */
+
+@@ -369,11 +393,14 @@ struct inodes_stat_t {
+ #define FS_EXTENT_FL 0x00080000 /* Extents */
+ #define FS_DIRECTIO_FL 0x00100000 /* Use direct i/o */
+ #define FS_NOCOW_FL 0x00800000 /* Do not cow file */
++#define FS_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */
+
+-#define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
+-#define FS_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
++#define FS_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define FS_COW_FL 0x20000000 /* Copy on Write marker */
+
++#define FS_FL_USER_VISIBLE 0x0103DFFF /* User visible flags */
++#define FS_FL_USER_MODIFIABLE 0x010380FF /* User modifiable flags */
+
+ #define SYNC_FILE_RANGE_WAIT_BEFORE 1
+ #define SYNC_FILE_RANGE_WRITE 2
+@@ -456,6 +483,7 @@ typedef void (dio_iodone_t)(struct kiocb
+ #define ATTR_KILL_PRIV (1 << 14)
+ #define ATTR_OPEN (1 << 15) /* Truncating from open(O_TRUNC) */
+ #define ATTR_TIMES_SET (1 << 16)
++#define ATTR_TAG (1 << 17)
+
+ /*
+ * This is the Inode Attributes structure, used for notify_change(). It
+@@ -471,6 +499,7 @@ struct iattr {
+ umode_t ia_mode;
+ uid_t ia_uid;
+ gid_t ia_gid;
++ tag_t ia_tag;
+ loff_t ia_size;
+ struct timespec ia_atime;
+ struct timespec ia_mtime;
+@@ -484,6 +513,9 @@ struct iattr {
+ struct file *ia_file;
+ };
+
++#define ATTR_FLAG_BARRIER 512 /* Barrier for chroot() */
++#define ATTR_FLAG_IXUNLINK 1024 /* Immutable invert on unlink */
++
+ /*
+ * Includes for diskquotas.
+ */
+@@ -763,7 +795,9 @@ struct inode {
+ unsigned short i_opflags;
+ uid_t i_uid;
+ gid_t i_gid;
+- unsigned int i_flags;
++ tag_t i_tag;
++ unsigned short i_flags;
++ unsigned short i_vflags;
+
+ #ifdef CONFIG_FS_POSIX_ACL
+ struct posix_acl *i_acl;
+@@ -792,6 +826,7 @@ struct inode {
+ unsigned int __i_nlink;
+ };
+ dev_t i_rdev;
++ dev_t i_mdev;
+ struct timespec i_atime;
+ struct timespec i_mtime;
+ struct timespec i_ctime;
+@@ -929,12 +964,12 @@ static inline void i_size_write(struct i
+
+ static inline unsigned iminor(const struct inode *inode)
+ {
+- return MINOR(inode->i_rdev);
++ return MINOR(inode->i_mdev);
+ }
+
+ static inline unsigned imajor(const struct inode *inode)
+ {
+- return MAJOR(inode->i_rdev);
++ return MAJOR(inode->i_mdev);
+ }
+
+ extern struct block_device *I_BDEV(struct inode *inode);
+@@ -1001,6 +1036,7 @@ struct file {
+ loff_t f_pos;
+ struct fown_struct f_owner;
+ const struct cred *f_cred;
++ xid_t f_xid;
+ struct file_ra_state f_ra;
+
+ u64 f_version;
+@@ -1148,6 +1184,7 @@ struct file_lock {
+ struct file *fl_file;
+ loff_t fl_start;
+ loff_t fl_end;
++ xid_t fl_xid;
+
+ struct fasync_struct * fl_fasync; /* for lease break notifications */
+ /* for lease breaks: */
+@@ -1661,6 +1698,7 @@ struct inode_operations {
+ ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
+ ssize_t (*listxattr) (struct dentry *, char *, size_t);
+ int (*removexattr) (struct dentry *, const char *);
++ int (*sync_flags) (struct inode *, int, int);
+ void (*truncate_range)(struct inode *, loff_t, loff_t);
+ int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
+ u64 len);
+@@ -1680,6 +1718,7 @@ extern ssize_t vfs_readv(struct file *,
+ unsigned long, loff_t *);
+ extern ssize_t vfs_writev(struct file *, const struct iovec __user *,
+ unsigned long, loff_t *);
++ssize_t vfs_sendfile(struct file *, struct file *, loff_t *, size_t, loff_t);
+
+ struct super_operations {
+ struct inode *(*alloc_inode)(struct super_block *sb);
+@@ -2509,6 +2548,7 @@ extern int dcache_dir_open(struct inode
+ extern int dcache_dir_close(struct inode *, struct file *);
+ extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
+ extern int dcache_readdir(struct file *, void *, filldir_t);
++extern int dcache_readdir_filter(struct file *, void *, filldir_t, int (*)(struct dentry *));
+ extern int simple_setattr(struct dentry *, struct iattr *);
+ extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+ extern int simple_statfs(struct dentry *, struct kstatfs *);
+diff -NurpP --minimal linux-3.4.45/include/linux/gfs2_ondisk.h linux-3.4.45-vs2.3.3.9/include/linux/gfs2_ondisk.h
+--- linux-3.4.45/include/linux/gfs2_ondisk.h 2012-05-21 16:07:29.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/gfs2_ondisk.h 2012-05-21 16:15:05.000000000 +0000
+@@ -214,6 +214,9 @@ enum {
+ gfs2fl_NoAtime = 7,
+ gfs2fl_Sync = 8,
+ gfs2fl_System = 9,
++ gfs2fl_IXUnlink = 16,
++ gfs2fl_Barrier = 17,
++ gfs2fl_Cow = 18,
+ gfs2fl_TruncInProg = 29,
+ gfs2fl_InheritDirectio = 30,
+ gfs2fl_InheritJdata = 31,
+@@ -230,6 +233,9 @@ enum {
+ #define GFS2_DIF_NOATIME 0x00000080
+ #define GFS2_DIF_SYNC 0x00000100
+ #define GFS2_DIF_SYSTEM 0x00000200 /* New in gfs2 */
++#define GFS2_DIF_IXUNLINK 0x00010000
++#define GFS2_DIF_BARRIER 0x00020000
++#define GFS2_DIF_COW 0x00040000
+ #define GFS2_DIF_TRUNC_IN_PROG 0x20000000 /* New in gfs2 */
+ #define GFS2_DIF_INHERIT_DIRECTIO 0x40000000
+ #define GFS2_DIF_INHERIT_JDATA 0x80000000
+diff -NurpP --minimal linux-3.4.45/include/linux/if_tun.h linux-3.4.45-vs2.3.3.9/include/linux/if_tun.h
+--- linux-3.4.45/include/linux/if_tun.h 2010-08-02 14:52:54.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/if_tun.h 2012-05-21 16:15:05.000000000 +0000
+@@ -53,6 +53,7 @@
+ #define TUNDETACHFILTER _IOW('T', 214, struct sock_fprog)
+ #define TUNGETVNETHDRSZ _IOR('T', 215, int)
+ #define TUNSETVNETHDRSZ _IOW('T', 216, int)
++#define TUNSETNID _IOW('T', 217, int)
+
+ /* TUNSETIFF ifr flags */
+ #define IFF_TUN 0x0001
+diff -NurpP --minimal linux-3.4.45/include/linux/init_task.h linux-3.4.45-vs2.3.3.9/include/linux/init_task.h
+--- linux-3.4.45/include/linux/init_task.h 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/init_task.h 2012-10-22 13:09:53.000000000 +0000
+@@ -210,6 +210,10 @@ extern struct task_group root_task_group
+ INIT_TRACE_RECURSION \
+ INIT_TASK_RCU_PREEMPT(tsk) \
+ INIT_CPUSET_SEQ \
++ .xid = 0, \
++ .vx_info = NULL, \
++ .nid = 0, \
++ .nx_info = NULL, \
+ }
+
+
+diff -NurpP --minimal linux-3.4.45/include/linux/ipc.h linux-3.4.45-vs2.3.3.9/include/linux/ipc.h
+--- linux-3.4.45/include/linux/ipc.h 2012-03-19 18:47:28.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/ipc.h 2012-05-21 16:15:05.000000000 +0000
+@@ -91,6 +91,7 @@ struct kern_ipc_perm
+ key_t key;
+ uid_t uid;
+ gid_t gid;
++ xid_t xid;
+ uid_t cuid;
+ gid_t cgid;
+ umode_t mode;
+diff -NurpP --minimal linux-3.4.45/include/linux/ipc_namespace.h linux-3.4.45-vs2.3.3.9/include/linux/ipc_namespace.h
+--- linux-3.4.45/include/linux/ipc_namespace.h 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/ipc_namespace.h 2013-05-13 18:16:08.000000000 +0000
+@@ -101,7 +101,8 @@ static inline int mq_init_ns(struct ipc_
+
+ #if defined(CONFIG_IPC_NS)
+ extern struct ipc_namespace *copy_ipcs(unsigned long flags,
+- struct task_struct *tsk);
++ struct ipc_namespace *old_ns,
++ struct user_namespace *user_ns);
+ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
+ {
+ if (ns)
+@@ -112,12 +113,13 @@ static inline struct ipc_namespace *get_
+ extern void put_ipc_ns(struct ipc_namespace *ns);
+ #else
+ static inline struct ipc_namespace *copy_ipcs(unsigned long flags,
+- struct task_struct *tsk)
++ struct ipc_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+ if (flags & CLONE_NEWIPC)
+ return ERR_PTR(-EINVAL);
+
+- return tsk->nsproxy->ipc_ns;
++ return old_ns;
+ }
+
+ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
+diff -NurpP --minimal linux-3.4.45/include/linux/loop.h linux-3.4.45-vs2.3.3.9/include/linux/loop.h
+--- linux-3.4.45/include/linux/loop.h 2012-01-09 15:14:58.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/loop.h 2012-05-21 16:15:05.000000000 +0000
+@@ -45,6 +45,7 @@ struct loop_device {
+ struct loop_func_table *lo_encryption;
+ __u32 lo_init[2];
+ uid_t lo_key_owner; /* Who set the key */
++ xid_t lo_xid;
+ int (*ioctl)(struct loop_device *, int cmd,
+ unsigned long arg);
+
+diff -NurpP --minimal linux-3.4.45/include/linux/magic.h linux-3.4.45-vs2.3.3.9/include/linux/magic.h
+--- linux-3.4.45/include/linux/magic.h 2012-05-21 16:07:31.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/magic.h 2012-05-21 16:15:05.000000000 +0000
+@@ -3,7 +3,7 @@
+
+ #define ADFS_SUPER_MAGIC 0xadf5
+ #define AFFS_SUPER_MAGIC 0xadff
+-#define AFS_SUPER_MAGIC 0x5346414F
++#define AFS_SUPER_MAGIC 0x5346414F
+ #define AUTOFS_SUPER_MAGIC 0x0187
+ #define CODA_SUPER_MAGIC 0x73757245
+ #define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
+diff -NurpP --minimal linux-3.4.45/include/linux/major.h linux-3.4.45-vs2.3.3.9/include/linux/major.h
+--- linux-3.4.45/include/linux/major.h 2009-09-10 13:26:25.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/major.h 2012-05-21 16:15:05.000000000 +0000
+@@ -15,6 +15,7 @@
+ #define HD_MAJOR IDE0_MAJOR
+ #define PTY_SLAVE_MAJOR 3
+ #define TTY_MAJOR 4
++#define VROOT_MAJOR 4
+ #define TTYAUX_MAJOR 5
+ #define LP_MAJOR 6
+ #define VCS_MAJOR 7
+diff -NurpP --minimal linux-3.4.45/include/linux/memcontrol.h linux-3.4.45-vs2.3.3.9/include/linux/memcontrol.h
+--- linux-3.4.45/include/linux/memcontrol.h 2012-05-21 16:07:31.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/memcontrol.h 2012-05-21 16:15:05.000000000 +0000
+@@ -88,6 +88,13 @@ extern struct mem_cgroup *try_get_mem_cg
+ extern struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg);
+ extern struct mem_cgroup *mem_cgroup_from_cont(struct cgroup *cont);
+
++extern u64 mem_cgroup_res_read_u64(struct mem_cgroup *mem, int member);
++extern u64 mem_cgroup_memsw_read_u64(struct mem_cgroup *mem, int member);
++
++extern s64 mem_cgroup_stat_read_cache(struct mem_cgroup *mem);
++extern s64 mem_cgroup_stat_read_anon(struct mem_cgroup *mem);
++extern s64 mem_cgroup_stat_read_mapped(struct mem_cgroup *mem);
++
+ static inline
+ int mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *cgroup)
+ {
+diff -NurpP --minimal linux-3.4.45/include/linux/mm_types.h linux-3.4.45-vs2.3.3.9/include/linux/mm_types.h
+--- linux-3.4.45/include/linux/mm_types.h 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/mm_types.h 2012-07-17 22:29:43.000000000 +0000
+@@ -353,6 +353,7 @@ struct mm_struct {
+
+ /* Architecture-specific MM context */
+ mm_context_t context;
++ struct vx_info *mm_vx_info;
+
+ /* Swap token stuff */
+ /*
+diff -NurpP --minimal linux-3.4.45/include/linux/mmzone.h linux-3.4.45-vs2.3.3.9/include/linux/mmzone.h
+--- linux-3.4.45/include/linux/mmzone.h 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/mmzone.h 2012-07-17 22:29:43.000000000 +0000
+@@ -684,6 +684,13 @@ typedef struct pglist_data {
+ __pgdat->node_start_pfn + __pgdat->node_spanned_pages;\
+ })
+
++#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
++
++#define node_end_pfn(nid) ({\
++ pg_data_t *__pgdat = NODE_DATA(nid);\
++ __pgdat->node_start_pfn + __pgdat->node_spanned_pages;\
++})
++
+ #include <linux/memory_hotplug.h>
+
+ extern struct mutex zonelists_mutex;
+diff -NurpP --minimal linux-3.4.45/include/linux/mount.h linux-3.4.45-vs2.3.3.9/include/linux/mount.h
+--- linux-3.4.45/include/linux/mount.h 2012-03-19 18:47:28.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/mount.h 2012-05-21 16:15:05.000000000 +0000
+@@ -47,6 +47,9 @@ struct mnt_namespace;
+
+ #define MNT_INTERNAL 0x4000
+
++#define MNT_TAGID 0x10000
++#define MNT_NOTAG 0x20000
++
+ struct vfsmount {
+ struct dentry *mnt_root; /* root of the mounted tree */
+ struct super_block *mnt_sb; /* pointer to superblock */
+diff -NurpP --minimal linux-3.4.45/include/linux/net.h linux-3.4.45-vs2.3.3.9/include/linux/net.h
+--- linux-3.4.45/include/linux/net.h 2013-05-13 17:36:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/net.h 2012-09-01 08:51:18.000000000 +0000
+@@ -73,6 +73,7 @@ struct net;
+ #define SOCK_PASSCRED 3
+ #define SOCK_PASSSEC 4
+ #define SOCK_EXTERNALLY_ALLOCATED 5
++#define SOCK_USER_SOCKET 6
+
+ #ifndef ARCH_HAS_SOCKET_TYPES
+ /**
+diff -NurpP --minimal linux-3.4.45/include/linux/netdevice.h linux-3.4.45-vs2.3.3.9/include/linux/netdevice.h
+--- linux-3.4.45/include/linux/netdevice.h 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/netdevice.h 2013-05-13 18:16:08.000000000 +0000
+@@ -1624,6 +1624,7 @@ extern void netdev_resync_ops(struct ne
+
+ extern struct net_device *dev_get_by_index(struct net *net, int ifindex);
+ extern struct net_device *__dev_get_by_index(struct net *net, int ifindex);
++extern struct net_device *dev_get_by_index_real_rcu(struct net *net, int ifindex);
+ extern struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);
+ extern int dev_restart(struct net_device *dev);
+ #ifdef CONFIG_NETPOLL_TRAP
+diff -NurpP --minimal linux-3.4.45/include/linux/nfs_mount.h linux-3.4.45-vs2.3.3.9/include/linux/nfs_mount.h
+--- linux-3.4.45/include/linux/nfs_mount.h 2011-01-05 20:50:31.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/nfs_mount.h 2012-05-21 16:15:05.000000000 +0000
+@@ -63,7 +63,8 @@ struct nfs_mount_data {
+ #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 */
+ #define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */
+ #define NFS_MOUNT_UNSHARED 0x8000 /* 5 */
+-#define NFS_MOUNT_FLAGMASK 0xFFFF
++#define NFS_MOUNT_TAGGED 0x10000 /* context tagging */
++#define NFS_MOUNT_FLAGMASK 0x1FFFF
+
+ /* The following are for internal use only */
+ #define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000
+diff -NurpP --minimal linux-3.4.45/include/linux/nsproxy.h linux-3.4.45-vs2.3.3.9/include/linux/nsproxy.h
+--- linux-3.4.45/include/linux/nsproxy.h 2011-10-24 16:45:32.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/nsproxy.h 2012-05-21 16:15:05.000000000 +0000
+@@ -3,6 +3,7 @@
+
+ #include <linux/spinlock.h>
+ #include <linux/sched.h>
++#include <linux/vserver/debug.h>
+
+ struct mnt_namespace;
+ struct uts_namespace;
+@@ -63,6 +64,7 @@ static inline struct nsproxy *task_nspro
+ }
+
+ int copy_namespaces(unsigned long flags, struct task_struct *tsk);
++struct nsproxy *copy_nsproxy(struct nsproxy *orig);
+ void exit_task_namespaces(struct task_struct *tsk);
+ void switch_task_namespaces(struct task_struct *tsk, struct nsproxy *new);
+ void free_nsproxy(struct nsproxy *ns);
+@@ -70,16 +72,26 @@ int unshare_nsproxy_namespaces(unsigned
+ struct fs_struct *);
+ int __init nsproxy_cache_init(void);
+
+-static inline void put_nsproxy(struct nsproxy *ns)
++#define get_nsproxy(n) __get_nsproxy(n, __FILE__, __LINE__)
++
++static inline void __get_nsproxy(struct nsproxy *ns,
++ const char *_file, int _line)
+ {
+- if (atomic_dec_and_test(&ns->count)) {
+- free_nsproxy(ns);
+- }
++ vxlprintk(VXD_CBIT(space, 0), "get_nsproxy(%p[%u])",
++ ns, atomic_read(&ns->count), _file, _line);
++ atomic_inc(&ns->count);
+ }
+
+-static inline void get_nsproxy(struct nsproxy *ns)
++#define put_nsproxy(n) __put_nsproxy(n, __FILE__, __LINE__)
++
++static inline void __put_nsproxy(struct nsproxy *ns,
++ const char *_file, int _line)
+ {
+- atomic_inc(&ns->count);
++ vxlprintk(VXD_CBIT(space, 0), "put_nsproxy(%p[%u])",
++ ns, atomic_read(&ns->count), _file, _line);
++ if (atomic_dec_and_test(&ns->count)) {
++ free_nsproxy(ns);
++ }
+ }
+
+ #endif
+diff -NurpP --minimal linux-3.4.45/include/linux/pid.h linux-3.4.45-vs2.3.3.9/include/linux/pid.h
+--- linux-3.4.45/include/linux/pid.h 2011-07-22 09:18:11.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/pid.h 2012-05-21 16:15:05.000000000 +0000
+@@ -8,7 +8,8 @@ enum pid_type
+ PIDTYPE_PID,
+ PIDTYPE_PGID,
+ PIDTYPE_SID,
+- PIDTYPE_MAX
++ PIDTYPE_MAX,
++ PIDTYPE_REALPID
+ };
+
+ /*
+@@ -171,6 +172,7 @@ static inline pid_t pid_nr(struct pid *p
+ }
+
+ pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns);
++pid_t pid_unmapped_nr_ns(struct pid *pid, struct pid_namespace *ns);
+ pid_t pid_vnr(struct pid *pid);
+
+ #define do_each_pid_task(pid, type, task) \
+diff -NurpP --minimal linux-3.4.45/include/linux/proc_fs.h linux-3.4.45-vs2.3.3.9/include/linux/proc_fs.h
+--- linux-3.4.45/include/linux/proc_fs.h 2012-03-19 18:47:28.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/proc_fs.h 2012-05-21 16:15:05.000000000 +0000
+@@ -54,6 +54,7 @@ struct proc_dir_entry {
+ nlink_t nlink;
+ uid_t uid;
+ gid_t gid;
++ int vx_flags;
+ loff_t size;
+ const struct inode_operations *proc_iops;
+ /*
+@@ -252,12 +253,18 @@ extern const struct proc_ns_operations n
+ extern const struct proc_ns_operations utsns_operations;
+ extern const struct proc_ns_operations ipcns_operations;
+
++struct vx_info;
++struct nx_info;
++
+ union proc_op {
+ int (*proc_get_link)(struct dentry *, struct path *);
+ int (*proc_read)(struct task_struct *task, char *page);
+ int (*proc_show)(struct seq_file *m,
+ struct pid_namespace *ns, struct pid *pid,
+ struct task_struct *task);
++ int (*proc_vs_read)(char *page);
++ int (*proc_vxi_read)(struct vx_info *vxi, char *page);
++ int (*proc_nxi_read)(struct nx_info *nxi, char *page);
+ };
+
+ struct ctl_table_header;
+@@ -265,6 +272,7 @@ struct ctl_table;
+
+ struct proc_inode {
+ struct pid *pid;
++ int vx_flags;
+ int fd;
+ union proc_op op;
+ struct proc_dir_entry *pde;
+diff -NurpP --minimal linux-3.4.45/include/linux/quotaops.h linux-3.4.45-vs2.3.3.9/include/linux/quotaops.h
+--- linux-3.4.45/include/linux/quotaops.h 2012-01-09 15:14:58.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/quotaops.h 2012-05-21 16:15:05.000000000 +0000
+@@ -8,6 +8,7 @@
+ #define _LINUX_QUOTAOPS_
+
+ #include <linux/fs.h>
++#include <linux/vs_dlimit.h>
+
+ #define DQUOT_SPACE_WARN 0x1
+ #define DQUOT_SPACE_RESERVE 0x2
+@@ -204,11 +205,12 @@ static inline void dquot_drop(struct ino
+
+ static inline int dquot_alloc_inode(const struct inode *inode)
+ {
+- return 0;
++ return dl_alloc_inode(inode);
+ }
+
+ static inline void dquot_free_inode(const struct inode *inode)
+ {
++ dl_free_inode(inode);
+ }
+
+ static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
+@@ -219,6 +221,10 @@ static inline int dquot_transfer(struct
+ static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
+ int flags)
+ {
++ int ret = 0;
++
++ if ((ret = dl_alloc_space(inode, number)))
++ return ret;
+ if (!(flags & DQUOT_SPACE_RESERVE))
+ inode_add_bytes(inode, number);
+ return 0;
+@@ -229,6 +235,7 @@ static inline void __dquot_free_space(st
+ {
+ if (!(flags & DQUOT_SPACE_RESERVE))
+ inode_sub_bytes(inode, number);
++ dl_free_space(inode, number);
+ }
+
+ static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
+diff -NurpP --minimal linux-3.4.45/include/linux/reboot.h linux-3.4.45-vs2.3.3.9/include/linux/reboot.h
+--- linux-3.4.45/include/linux/reboot.h 2011-10-24 16:45:32.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/reboot.h 2012-05-21 16:15:05.000000000 +0000
+@@ -33,6 +33,7 @@
+ #define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4
+ #define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2
+ #define LINUX_REBOOT_CMD_KEXEC 0x45584543
++#define LINUX_REBOOT_CMD_OOM 0xDEADBEEF
+
+
+ #ifdef __KERNEL__
+diff -NurpP --minimal linux-3.4.45/include/linux/sched.h linux-3.4.45-vs2.3.3.9/include/linux/sched.h
+--- linux-3.4.45/include/linux/sched.h 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/sched.h 2013-02-11 23:37:30.000000000 +0000
+@@ -1455,6 +1455,14 @@ struct task_struct {
+ #endif
+ seccomp_t seccomp;
+
++/* vserver context data */
++ struct vx_info *vx_info;
++ struct nx_info *nx_info;
++
++ xid_t xid;
++ nid_t nid;
++ tag_t tag;
++
+ /* Thread group tracking */
+ u32 parent_exec_id;
+ u32 self_exec_id;
+@@ -1699,6 +1707,11 @@ struct pid_namespace;
+ pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,
+ struct pid_namespace *ns);
+
++#include <linux/vserver/base.h>
++#include <linux/vserver/context.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/pid.h>
++
+ static inline pid_t task_pid_nr(struct task_struct *tsk)
+ {
+ return tsk->pid;
+@@ -1712,7 +1725,8 @@ static inline pid_t task_pid_nr_ns(struc
+
+ static inline pid_t task_pid_vnr(struct task_struct *tsk)
+ {
+- return __task_pid_nr_ns(tsk, PIDTYPE_PID, NULL);
++ // return __task_pid_nr_ns(tsk, PIDTYPE_PID, NULL);
++ return vx_map_pid(__task_pid_nr_ns(tsk, PIDTYPE_PID, NULL));
+ }
+
+
+@@ -1725,7 +1739,7 @@ pid_t task_tgid_nr_ns(struct task_struct
+
+ static inline pid_t task_tgid_vnr(struct task_struct *tsk)
+ {
+- return pid_vnr(task_tgid(tsk));
++ return vx_map_tgid(pid_vnr(task_tgid(tsk)));
+ }
+
+
+diff -NurpP --minimal linux-3.4.45/include/linux/shmem_fs.h linux-3.4.45-vs2.3.3.9/include/linux/shmem_fs.h
+--- linux-3.4.45/include/linux/shmem_fs.h 2012-03-19 18:47:29.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/shmem_fs.h 2012-05-21 16:15:05.000000000 +0000
+@@ -8,6 +8,9 @@
+
+ /* inode in-kernel data */
+
++#define TMPFS_SUPER_MAGIC 0x01021994
++
++
+ struct shmem_inode_info {
+ spinlock_t lock;
+ unsigned long flags;
+diff -NurpP --minimal linux-3.4.45/include/linux/stat.h linux-3.4.45-vs2.3.3.9/include/linux/stat.h
+--- linux-3.4.45/include/linux/stat.h 2008-12-24 23:26:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/stat.h 2012-05-21 16:15:05.000000000 +0000
+@@ -66,6 +66,7 @@ struct kstat {
+ unsigned int nlink;
+ uid_t uid;
+ gid_t gid;
++ tag_t tag;
+ dev_t rdev;
+ loff_t size;
+ struct timespec atime;
+diff -NurpP --minimal linux-3.4.45/include/linux/sunrpc/auth.h linux-3.4.45-vs2.3.3.9/include/linux/sunrpc/auth.h
+--- linux-3.4.45/include/linux/sunrpc/auth.h 2012-05-21 16:07:32.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/sunrpc/auth.h 2012-05-21 16:15:05.000000000 +0000
+@@ -25,6 +25,7 @@
+ struct auth_cred {
+ uid_t uid;
+ gid_t gid;
++ tag_t tag;
+ struct group_info *group_info;
+ const char *principal;
+ unsigned char machine_cred : 1;
+diff -NurpP --minimal linux-3.4.45/include/linux/sunrpc/clnt.h linux-3.4.45-vs2.3.3.9/include/linux/sunrpc/clnt.h
+--- linux-3.4.45/include/linux/sunrpc/clnt.h 2012-05-21 16:07:32.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/sunrpc/clnt.h 2012-05-21 16:15:05.000000000 +0000
+@@ -49,7 +49,8 @@ struct rpc_clnt {
+ unsigned int cl_softrtry : 1,/* soft timeouts */
+ cl_discrtry : 1,/* disconnect before retry */
+ cl_autobind : 1,/* use getport() */
+- cl_chatty : 1;/* be verbose */
++ cl_chatty : 1,/* be verbose */
++ cl_tag : 1;/* context tagging */
+
+ struct rpc_rtt * cl_rtt; /* RTO estimator data */
+ const struct rpc_timeout *cl_timeout; /* Timeout strategy */
+diff -NurpP --minimal linux-3.4.45/include/linux/sysctl.h linux-3.4.45-vs2.3.3.9/include/linux/sysctl.h
+--- linux-3.4.45/include/linux/sysctl.h 2012-05-21 16:07:32.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/sysctl.h 2012-05-21 16:15:05.000000000 +0000
+@@ -60,6 +60,7 @@ enum
+ CTL_ABI=9, /* Binary emulation */
+ CTL_CPU=10, /* CPU stuff (speed scaling, etc) */
+ CTL_ARLAN=254, /* arlan wireless driver */
++ CTL_VSERVER=4242, /* Linux-VServer debug */
+ CTL_S390DBF=5677, /* s390 debug */
+ CTL_SUNRPC=7249, /* sunrpc debug */
+ CTL_PM=9899, /* frv power management */
+@@ -94,6 +95,7 @@ enum
+
+ KERN_PANIC=15, /* int: panic timeout */
+ KERN_REALROOTDEV=16, /* real root device to mount after initrd */
++ KERN_VSHELPER=17, /* string: path to vshelper policy agent */
+
+ KERN_SPARC_REBOOT=21, /* reboot command on Sparc */
+ KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */
+diff -NurpP --minimal linux-3.4.45/include/linux/sysfs.h linux-3.4.45-vs2.3.3.9/include/linux/sysfs.h
+--- linux-3.4.45/include/linux/sysfs.h 2012-03-19 18:47:29.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/sysfs.h 2012-05-21 16:15:05.000000000 +0000
+@@ -19,6 +19,8 @@
+ #include <linux/kobject_ns.h>
+ #include <linux/atomic.h>
+
++#define SYSFS_SUPER_MAGIC 0x62656572
++
+ struct kobject;
+ struct module;
+ enum kobj_ns_type;
+diff -NurpP --minimal linux-3.4.45/include/linux/time.h linux-3.4.45-vs2.3.3.9/include/linux/time.h
+--- linux-3.4.45/include/linux/time.h 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/time.h 2012-10-22 13:09:53.000000000 +0000
+@@ -281,6 +281,8 @@ static __always_inline void timespec_add
+ a->tv_nsec = ns;
+ }
+
++#include <linux/vs_time.h>
++
+ #endif /* __KERNEL__ */
+
+ /*
+diff -NurpP --minimal linux-3.4.45/include/linux/types.h linux-3.4.45-vs2.3.3.9/include/linux/types.h
+--- linux-3.4.45/include/linux/types.h 2012-05-21 16:07:32.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/types.h 2012-05-21 16:15:05.000000000 +0000
+@@ -41,6 +41,9 @@ typedef __kernel_uid32_t uid_t;
+ typedef __kernel_gid32_t gid_t;
+ typedef __kernel_uid16_t uid16_t;
+ typedef __kernel_gid16_t gid16_t;
++typedef unsigned int xid_t;
++typedef unsigned int nid_t;
++typedef unsigned int tag_t;
+
+ typedef unsigned long uintptr_t;
+
+diff -NurpP --minimal linux-3.4.45/include/linux/utsname.h linux-3.4.45-vs2.3.3.9/include/linux/utsname.h
+--- linux-3.4.45/include/linux/utsname.h 2012-01-09 15:14:59.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/utsname.h 2012-05-21 16:15:05.000000000 +0000
+@@ -62,7 +62,8 @@ static inline void get_uts_ns(struct uts
+ }
+
+ extern struct uts_namespace *copy_utsname(unsigned long flags,
+- struct task_struct *tsk);
++ struct uts_namespace *old_ns,
++ struct user_namespace *user_ns);
+ extern void free_uts_ns(struct kref *kref);
+
+ static inline void put_uts_ns(struct uts_namespace *ns)
+@@ -79,12 +80,13 @@ static inline void put_uts_ns(struct uts
+ }
+
+ static inline struct uts_namespace *copy_utsname(unsigned long flags,
+- struct task_struct *tsk)
++ struct uts_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+ if (flags & CLONE_NEWUTS)
+ return ERR_PTR(-EINVAL);
+
+- return tsk->nsproxy->uts_ns;
++ return old_ns;
+ }
+ #endif
+
+diff -NurpP --minimal linux-3.4.45/include/linux/vroot.h linux-3.4.45-vs2.3.3.9/include/linux/vroot.h
+--- linux-3.4.45/include/linux/vroot.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vroot.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,51 @@
++
++/*
++ * include/linux/vroot.h
++ *
++ * written by Herbert Pötzl, 9/11/2002
++ * ported to 2.6 by Herbert Pötzl, 30/12/2004
++ *
++ * Copyright (C) 2002-2007 by Herbert Pötzl.
++ * Redistribution of this file is permitted under the
++ * GNU General Public License.
++ */
++
++#ifndef _LINUX_VROOT_H
++#define _LINUX_VROOT_H
++
++
++#ifdef __KERNEL__
++
++/* Possible states of device */
++enum {
++ Vr_unbound,
++ Vr_bound,
++};
++
++struct vroot_device {
++ int vr_number;
++ int vr_refcnt;
++
++ struct semaphore vr_ctl_mutex;
++ struct block_device *vr_device;
++ int vr_state;
++};
++
++
++typedef struct block_device *(vroot_grb_func)(struct block_device *);
++
++extern int register_vroot_grb(vroot_grb_func *);
++extern int unregister_vroot_grb(vroot_grb_func *);
++
++#endif /* __KERNEL__ */
++
++#define MAX_VROOT_DEFAULT 8
++
++/*
++ * IOCTL commands --- we will commandeer 0x56 ('V')
++ */
++
++#define VROOT_SET_DEV 0x5600
++#define VROOT_CLR_DEV 0x5601
++
++#endif /* _LINUX_VROOT_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_base.h linux-3.4.45-vs2.3.3.9/include/linux/vs_base.h
+--- linux-3.4.45/include/linux/vs_base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_base.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VS_BASE_H
++#define _VS_BASE_H
++
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_context.h linux-3.4.45-vs2.3.3.9/include/linux/vs_context.h
+--- linux-3.4.45/include/linux/vs_context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_context.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,242 @@
++#ifndef _VS_CONTEXT_H
++#define _VS_CONTEXT_H
++
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/context.h"
++#include "vserver/history.h"
++#include "vserver/debug.h"
++
++#include <linux/sched.h>
++
++
++#define get_vx_info(i) __get_vx_info(i, __FILE__, __LINE__, __HERE__)
++
++static inline struct vx_info *__get_vx_info(struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ if (!vxi)
++ return NULL;
++
++ vxlprintk(VXD_CBIT(xid, 2), "get_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_get_vx_info(vxi, _here);
++
++ atomic_inc(&vxi->vx_usecnt);
++ return vxi;
++}
++
++
++extern void free_vx_info(struct vx_info *);
++
++#define put_vx_info(i) __put_vx_info(i, __FILE__, __LINE__, __HERE__)
++
++static inline void __put_vx_info(struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ if (!vxi)
++ return;
++
++ vxlprintk(VXD_CBIT(xid, 2), "put_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_put_vx_info(vxi, _here);
++
++ if (atomic_dec_and_test(&vxi->vx_usecnt))
++ free_vx_info(vxi);
++}
++
++
++#define init_vx_info(p, i) \
++ __init_vx_info(p, i, __FILE__, __LINE__, __HERE__)
++
++static inline void __init_vx_info(struct vx_info **vxp, struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ if (vxi) {
++ vxlprintk(VXD_CBIT(xid, 3),
++ "init_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_init_vx_info(vxi, vxp, _here);
++
++ atomic_inc(&vxi->vx_usecnt);
++ }
++ *vxp = vxi;
++}
++
++
++#define set_vx_info(p, i) \
++ __set_vx_info(p, i, __FILE__, __LINE__, __HERE__)
++
++static inline void __set_vx_info(struct vx_info **vxp, struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ struct vx_info *vxo;
++
++ if (!vxi)
++ return;
++
++ vxlprintk(VXD_CBIT(xid, 3), "set_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_set_vx_info(vxi, vxp, _here);
++
++ atomic_inc(&vxi->vx_usecnt);
++ vxo = xchg(vxp, vxi);
++ BUG_ON(vxo);
++}
++
++
++#define clr_vx_info(p) __clr_vx_info(p, __FILE__, __LINE__, __HERE__)
++
++static inline void __clr_vx_info(struct vx_info **vxp,
++ const char *_file, int _line, void *_here)
++{
++ struct vx_info *vxo;
++
++ vxo = xchg(vxp, NULL);
++ if (!vxo)
++ return;
++
++ vxlprintk(VXD_CBIT(xid, 3), "clr_vx_info(%p[#%d.%d])",
++ vxo, vxo ? vxo->vx_id : 0,
++ vxo ? atomic_read(&vxo->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_clr_vx_info(vxo, vxp, _here);
++
++ if (atomic_dec_and_test(&vxo->vx_usecnt))
++ free_vx_info(vxo);
++}
++
++
++#define claim_vx_info(v, p) \
++ __claim_vx_info(v, p, __FILE__, __LINE__, __HERE__)
++
++static inline void __claim_vx_info(struct vx_info *vxi,
++ struct task_struct *task,
++ const char *_file, int _line, void *_here)
++{
++ vxlprintk(VXD_CBIT(xid, 3), "claim_vx_info(%p[#%d.%d.%d]) %p",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ vxi ? atomic_read(&vxi->vx_tasks) : 0,
++ task, _file, _line);
++ __vxh_claim_vx_info(vxi, task, _here);
++
++ atomic_inc(&vxi->vx_tasks);
++}
++
++
++extern void unhash_vx_info(struct vx_info *);
++
++#define release_vx_info(v, p) \
++ __release_vx_info(v, p, __FILE__, __LINE__, __HERE__)
++
++static inline void __release_vx_info(struct vx_info *vxi,
++ struct task_struct *task,
++ const char *_file, int _line, void *_here)
++{
++ vxlprintk(VXD_CBIT(xid, 3), "release_vx_info(%p[#%d.%d.%d]) %p",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ vxi ? atomic_read(&vxi->vx_tasks) : 0,
++ task, _file, _line);
++ __vxh_release_vx_info(vxi, task, _here);
++
++ might_sleep();
++
++ if (atomic_dec_and_test(&vxi->vx_tasks))
++ unhash_vx_info(vxi);
++}
++
++
++#define task_get_vx_info(p) \
++ __task_get_vx_info(p, __FILE__, __LINE__, __HERE__)
++
++static inline struct vx_info *__task_get_vx_info(struct task_struct *p,
++ const char *_file, int _line, void *_here)
++{
++ struct vx_info *vxi;
++
++ task_lock(p);
++ vxlprintk(VXD_CBIT(xid, 5), "task_get_vx_info(%p)",
++ p, _file, _line);
++ vxi = __get_vx_info(p->vx_info, _file, _line, _here);
++ task_unlock(p);
++ return vxi;
++}
++
++
++static inline void __wakeup_vx_info(struct vx_info *vxi)
++{
++ if (waitqueue_active(&vxi->vx_wait))
++ wake_up_interruptible(&vxi->vx_wait);
++}
++
++
++#define enter_vx_info(v, s) __enter_vx_info(v, s, __FILE__, __LINE__)
++
++static inline void __enter_vx_info(struct vx_info *vxi,
++ struct vx_info_save *vxis, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(xid, 5), "enter_vx_info(%p[#%d],%p) %p[#%d,%p]",
++ vxi, vxi ? vxi->vx_id : 0, vxis, current,
++ current->xid, current->vx_info, _file, _line);
++ vxis->vxi = xchg(&current->vx_info, vxi);
++ vxis->xid = current->xid;
++ current->xid = vxi ? vxi->vx_id : 0;
++}
++
++#define leave_vx_info(s) __leave_vx_info(s, __FILE__, __LINE__)
++
++static inline void __leave_vx_info(struct vx_info_save *vxis,
++ const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(xid, 5), "leave_vx_info(%p[#%d,%p]) %p[#%d,%p]",
++ vxis, vxis->xid, vxis->vxi, current,
++ current->xid, current->vx_info, _file, _line);
++ (void)xchg(&current->vx_info, vxis->vxi);
++ current->xid = vxis->xid;
++}
++
++
++static inline void __enter_vx_admin(struct vx_info_save *vxis)
++{
++ vxis->vxi = xchg(&current->vx_info, NULL);
++ vxis->xid = xchg(&current->xid, (xid_t)0);
++}
++
++static inline void __leave_vx_admin(struct vx_info_save *vxis)
++{
++ (void)xchg(&current->xid, vxis->xid);
++ (void)xchg(&current->vx_info, vxis->vxi);
++}
++
++#define task_is_init(p) \
++ __task_is_init(p, __FILE__, __LINE__, __HERE__)
++
++static inline int __task_is_init(struct task_struct *p,
++ const char *_file, int _line, void *_here)
++{
++ int is_init = is_global_init(p);
++
++ task_lock(p);
++ if (p->vx_info)
++ is_init = p->vx_info->vx_initpid == p->pid;
++ task_unlock(p);
++ return is_init;
++}
++
++extern void exit_vx_info(struct task_struct *, int);
++extern void exit_vx_info_early(struct task_struct *, int);
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_cowbl.h linux-3.4.45-vs2.3.3.9/include/linux/vs_cowbl.h
+--- linux-3.4.45/include/linux/vs_cowbl.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_cowbl.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,48 @@
++#ifndef _VS_COWBL_H
++#define _VS_COWBL_H
++
++#include <linux/fs.h>
++#include <linux/dcache.h>
++#include <linux/namei.h>
++#include <linux/slab.h>
++
++extern struct dentry *cow_break_link(const char *pathname);
++
++static inline int cow_check_and_break(struct path *path)
++{
++ struct inode *inode = path->dentry->d_inode;
++ int error = 0;
++
++ /* do we need this check? */
++ if (IS_RDONLY(inode))
++ return -EROFS;
++
++ if (IS_COW(inode)) {
++ if (IS_COW_LINK(inode)) {
++ struct dentry *new_dentry, *old_dentry = path->dentry;
++ char *pp, *buf;
++
++ buf = kmalloc(PATH_MAX, GFP_KERNEL);
++ if (!buf) {
++ return -ENOMEM;
++ }
++ pp = d_path(path, buf, PATH_MAX);
++ new_dentry = cow_break_link(pp);
++ kfree(buf);
++ if (!IS_ERR(new_dentry)) {
++ path->dentry = new_dentry;
++ dput(old_dentry);
++ } else
++ error = PTR_ERR(new_dentry);
++ } else {
++ inode->i_flags &= ~(S_IXUNLINK | S_IMMUTABLE);
++ inode->i_ctime = CURRENT_TIME;
++ mark_inode_dirty(inode);
++ }
++ }
++ return error;
++}
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_cvirt.h linux-3.4.45-vs2.3.3.9/include/linux/vs_cvirt.h
+--- linux-3.4.45/include/linux/vs_cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_cvirt.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,50 @@
++#ifndef _VS_CVIRT_H
++#define _VS_CVIRT_H
++
++#include "vserver/cvirt.h"
++#include "vserver/context.h"
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
++
++
++static inline void vx_activate_task(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info)) {
++ vx_update_load(vxi);
++ atomic_inc(&vxi->cvirt.nr_running);
++ }
++}
++
++static inline void vx_deactivate_task(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info)) {
++ vx_update_load(vxi);
++ atomic_dec(&vxi->cvirt.nr_running);
++ }
++}
++
++static inline void vx_uninterruptible_inc(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info))
++ atomic_inc(&vxi->cvirt.nr_uninterruptible);
++}
++
++static inline void vx_uninterruptible_dec(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info))
++ atomic_dec(&vxi->cvirt.nr_uninterruptible);
++}
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_device.h linux-3.4.45-vs2.3.3.9/include/linux/vs_device.h
+--- linux-3.4.45/include/linux/vs_device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_device.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,45 @@
++#ifndef _VS_DEVICE_H
++#define _VS_DEVICE_H
++
++#include "vserver/base.h"
++#include "vserver/device.h"
++#include "vserver/debug.h"
++
++
++#ifdef CONFIG_VSERVER_DEVICE
++
++int vs_map_device(struct vx_info *, dev_t, dev_t *, umode_t);
++
++#define vs_device_perm(v, d, m, p) \
++ ((vs_map_device(current_vx_info(), d, NULL, m) & (p)) == (p))
++
++#else
++
++static inline
++int vs_map_device(struct vx_info *vxi,
++ dev_t device, dev_t *target, umode_t mode)
++{
++ if (target)
++ *target = device;
++ return ~0;
++}
++
++#define vs_device_perm(v, d, m, p) ((p) == (p))
++
++#endif
++
++
++#define vs_map_chrdev(d, t, p) \
++ ((vs_map_device(current_vx_info(), d, t, S_IFCHR) & (p)) == (p))
++#define vs_map_blkdev(d, t, p) \
++ ((vs_map_device(current_vx_info(), d, t, S_IFBLK) & (p)) == (p))
++
++#define vs_chrdev_perm(d, p) \
++ vs_device_perm(current_vx_info(), d, S_IFCHR, p)
++#define vs_blkdev_perm(d, p) \
++ vs_device_perm(current_vx_info(), d, S_IFBLK, p)
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_dlimit.h linux-3.4.45-vs2.3.3.9/include/linux/vs_dlimit.h
+--- linux-3.4.45/include/linux/vs_dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_dlimit.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,215 @@
++#ifndef _VS_DLIMIT_H
++#define _VS_DLIMIT_H
++
++#include <linux/fs.h>
++
++#include "vserver/dlimit.h"
++#include "vserver/base.h"
++#include "vserver/debug.h"
++
++
++#define get_dl_info(i) __get_dl_info(i, __FILE__, __LINE__)
++
++static inline struct dl_info *__get_dl_info(struct dl_info *dli,
++ const char *_file, int _line)
++{
++ if (!dli)
++ return NULL;
++ vxlprintk(VXD_CBIT(dlim, 4), "get_dl_info(%p[#%d.%d])",
++ dli, dli ? dli->dl_tag : 0,
++ dli ? atomic_read(&dli->dl_usecnt) : 0,
++ _file, _line);
++ atomic_inc(&dli->dl_usecnt);
++ return dli;
++}
++
++
++#define free_dl_info(i) \
++ call_rcu(&(i)->dl_rcu, rcu_free_dl_info)
++
++#define put_dl_info(i) __put_dl_info(i, __FILE__, __LINE__)
++
++static inline void __put_dl_info(struct dl_info *dli,
++ const char *_file, int _line)
++{
++ if (!dli)
++ return;
++ vxlprintk(VXD_CBIT(dlim, 4), "put_dl_info(%p[#%d.%d])",
++ dli, dli ? dli->dl_tag : 0,
++ dli ? atomic_read(&dli->dl_usecnt) : 0,
++ _file, _line);
++ if (atomic_dec_and_test(&dli->dl_usecnt))
++ free_dl_info(dli);
++}
++
++
++#define __dlimit_char(d) ((d) ? '*' : ' ')
++
++static inline int __dl_alloc_space(struct super_block *sb,
++ tag_t tag, dlsize_t nr, const char *file, int line)
++{
++ struct dl_info *dli = NULL;
++ int ret = 0;
++
++ if (nr == 0)
++ goto out;
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ ret = (dli->dl_space_used + nr > dli->dl_space_total);
++ if (!ret)
++ dli->dl_space_used += nr;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 1),
++ "ALLOC (%p,#%d)%c %lld bytes (%d)",
++ sb, tag, __dlimit_char(dli), (long long)nr,
++ ret, file, line);
++ return ret ? -ENOSPC : 0;
++}
++
++static inline void __dl_free_space(struct super_block *sb,
++ tag_t tag, dlsize_t nr, const char *_file, int _line)
++{
++ struct dl_info *dli = NULL;
++
++ if (nr == 0)
++ goto out;
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ if (dli->dl_space_used > nr)
++ dli->dl_space_used -= nr;
++ else
++ dli->dl_space_used = 0;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 1),
++ "FREE (%p,#%d)%c %lld bytes",
++ sb, tag, __dlimit_char(dli), (long long)nr,
++ _file, _line);
++}
++
++static inline int __dl_alloc_inode(struct super_block *sb,
++ tag_t tag, const char *_file, int _line)
++{
++ struct dl_info *dli;
++ int ret = 0;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ dli->dl_inodes_used++;
++ ret = (dli->dl_inodes_used > dli->dl_inodes_total);
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 0),
++ "ALLOC (%p,#%d)%c inode (%d)",
++ sb, tag, __dlimit_char(dli), ret, _file, _line);
++ return ret ? -ENOSPC : 0;
++}
++
++static inline void __dl_free_inode(struct super_block *sb,
++ tag_t tag, const char *_file, int _line)
++{
++ struct dl_info *dli;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ if (dli->dl_inodes_used > 1)
++ dli->dl_inodes_used--;
++ else
++ dli->dl_inodes_used = 0;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 0),
++ "FREE (%p,#%d)%c inode",
++ sb, tag, __dlimit_char(dli), _file, _line);
++}
++
++static inline void __dl_adjust_block(struct super_block *sb, tag_t tag,
++ unsigned long long *free_blocks, unsigned long long *root_blocks,
++ const char *_file, int _line)
++{
++ struct dl_info *dli;
++ uint64_t broot, bfree;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ return;
++
++ spin_lock(&dli->dl_lock);
++ broot = (dli->dl_space_total -
++ (dli->dl_space_total >> 10) * dli->dl_nrlmult)
++ >> sb->s_blocksize_bits;
++ bfree = (dli->dl_space_total - dli->dl_space_used)
++ >> sb->s_blocksize_bits;
++ spin_unlock(&dli->dl_lock);
++
++ vxlprintk(VXD_CBIT(dlim, 2),
++ "ADJUST: %lld,%lld on %lld,%lld [mult=%d]",
++ (long long)bfree, (long long)broot,
++ *free_blocks, *root_blocks, dli->dl_nrlmult,
++ _file, _line);
++ if (free_blocks) {
++ if (*free_blocks > bfree)
++ *free_blocks = bfree;
++ }
++ if (root_blocks) {
++ if (*root_blocks > broot)
++ *root_blocks = broot;
++ }
++ put_dl_info(dli);
++}
++
++#define dl_prealloc_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, (in)->i_tag, (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_alloc_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, (in)->i_tag, (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_reserve_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, (in)->i_tag, (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_claim_space(in, bytes) (0)
++
++#define dl_release_space(in, bytes) \
++ __dl_free_space((in)->i_sb, (in)->i_tag, (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_free_space(in, bytes) \
++ __dl_free_space((in)->i_sb, (in)->i_tag, (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++
++
++#define dl_alloc_inode(in) \
++ __dl_alloc_inode((in)->i_sb, (in)->i_tag, __FILE__, __LINE__ )
++
++#define dl_free_inode(in) \
++ __dl_free_inode((in)->i_sb, (in)->i_tag, __FILE__, __LINE__ )
++
++
++#define dl_adjust_block(sb, tag, fb, rb) \
++ __dl_adjust_block(sb, tag, fb, rb, __FILE__, __LINE__ )
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_inet.h linux-3.4.45-vs2.3.3.9/include/linux/vs_inet.h
+--- linux-3.4.45/include/linux/vs_inet.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_inet.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,353 @@
++#ifndef _VS_INET_H
++#define _VS_INET_H
++
++#include "vserver/base.h"
++#include "vserver/network.h"
++#include "vserver/debug.h"
++
++#define IPI_LOOPBACK htonl(INADDR_LOOPBACK)
++
++#define NXAV4(a) NIPQUAD((a)->ip[0]), NIPQUAD((a)->ip[1]), \
++ NIPQUAD((a)->mask), (a)->type
++#define NXAV4_FMT "[" NIPQUAD_FMT "-" NIPQUAD_FMT "/" NIPQUAD_FMT ":%04x]"
++
++#define NIPQUAD(addr) \
++ ((unsigned char *)&addr)[0], \
++ ((unsigned char *)&addr)[1], \
++ ((unsigned char *)&addr)[2], \
++ ((unsigned char *)&addr)[3]
++
++#define NIPQUAD_FMT "%u.%u.%u.%u"
++
++
++static inline
++int v4_addr_match(struct nx_addr_v4 *nxa, __be32 addr, uint16_t tmask)
++{
++ __be32 ip = nxa->ip[0].s_addr;
++ __be32 mask = nxa->mask.s_addr;
++ __be32 bcast = ip | ~mask;
++ int ret = 0;
++
++ switch (nxa->type & tmask) {
++ case NXA_TYPE_MASK:
++ ret = (ip == (addr & mask));
++ break;
++ case NXA_TYPE_ADDR:
++ ret = 3;
++ if (addr == ip)
++ break;
++ /* fall through to broadcast */
++ case NXA_MOD_BCAST:
++ ret = ((tmask & NXA_MOD_BCAST) && (addr == bcast));
++ break;
++ case NXA_TYPE_RANGE:
++ ret = ((nxa->ip[0].s_addr <= addr) &&
++ (nxa->ip[1].s_addr > addr));
++ break;
++ case NXA_TYPE_ANY:
++ ret = 2;
++ break;
++ }
++
++ vxdprintk(VXD_CBIT(net, 0),
++ "v4_addr_match(%p" NXAV4_FMT "," NIPQUAD_FMT ",%04x) = %d",
++ nxa, NXAV4(nxa), NIPQUAD(addr), tmask, ret);
++ return ret;
++}
++
++static inline
++int v4_addr_in_nx_info(struct nx_info *nxi, __be32 addr, uint16_t tmask)
++{
++ struct nx_addr_v4 *nxa;
++ int ret = 1;
++
++ if (!nxi)
++ goto out;
++
++ ret = 2;
++ /* allow 127.0.0.1 when remapping lback */
++ if ((tmask & NXA_LOOPBACK) &&
++ (addr == IPI_LOOPBACK) &&
++ nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ goto out;
++ ret = 3;
++ /* check for lback address */
++ if ((tmask & NXA_MOD_LBACK) &&
++ (nxi->v4_lback.s_addr == addr))
++ goto out;
++ ret = 4;
++ /* check for broadcast address */
++ if ((tmask & NXA_MOD_BCAST) &&
++ (nxi->v4_bcast.s_addr == addr))
++ goto out;
++ ret = 5;
++ /* check for v4 addresses */
++ for (nxa = &nxi->v4; nxa; nxa = nxa->next)
++ if (v4_addr_match(nxa, addr, tmask))
++ goto out;
++ ret = 0;
++out:
++ vxdprintk(VXD_CBIT(net, 0),
++ "v4_addr_in_nx_info(%p[#%u]," NIPQUAD_FMT ",%04x) = %d",
++ nxi, nxi ? nxi->nx_id : 0, NIPQUAD(addr), tmask, ret);
++ return ret;
++}
++
++static inline
++int v4_nx_addr_match(struct nx_addr_v4 *nxa, struct nx_addr_v4 *addr, uint16_t mask)
++{
++ /* FIXME: needs full range checks */
++ return v4_addr_match(nxa, addr->ip[0].s_addr, mask);
++}
++
++static inline
++int v4_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v4 *nxa, uint16_t mask)
++{
++ struct nx_addr_v4 *ptr;
++
++ for (ptr = &nxi->v4; ptr; ptr = ptr->next)
++ if (v4_nx_addr_match(ptr, nxa, mask))
++ return 1;
++ return 0;
++}
++
++#include <net/inet_sock.h>
++
++/*
++ * Check if a given address matches for a socket
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ */
++static inline
++int v4_sock_addr_match (
++ struct nx_info *nxi,
++ struct inet_sock *inet,
++ __be32 addr)
++{
++ __be32 saddr = inet->inet_rcv_saddr;
++ __be32 bcast = nxi ? nxi->v4_bcast.s_addr : INADDR_BROADCAST;
++
++ if (addr && (saddr == addr || bcast == addr))
++ return 1;
++ if (!saddr)
++ return v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND);
++ return 0;
++}
++
++
++/* inet related checks and helpers */
++
++
++struct in_ifaddr;
++struct net_device;
++struct sock;
++
++#ifdef CONFIG_INET
++
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_sock.h>
++#include <net/inet_timewait_sock.h>
++
++
++int dev_in_nx_info(struct net_device *, struct nx_info *);
++int v4_dev_in_nx_info(struct net_device *, struct nx_info *);
++int nx_v4_addr_conflict(struct nx_info *, struct nx_info *);
++
++
++/*
++ * check if address is covered by socket
++ *
++ * sk: the socket to check against
++ * addr: the address in question (must be != 0)
++ */
++
++static inline
++int __v4_addr_match_socket(const struct sock *sk, struct nx_addr_v4 *nxa)
++{
++ struct nx_info *nxi = sk->sk_nx_info;
++ __be32 saddr = sk_rcv_saddr(sk);
++
++ vxdprintk(VXD_CBIT(net, 5),
++ "__v4_addr_in_socket(%p," NXAV4_FMT ") %p:" NIPQUAD_FMT " %p;%lx",
++ sk, NXAV4(nxa), nxi, NIPQUAD(saddr), sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
++
++ if (saddr) { /* direct address match */
++ return v4_addr_match(nxa, saddr, -1);
++ } else if (nxi) { /* match against nx_info */
++ return v4_nx_addr_in_nx_info(nxi, nxa, -1);
++ } else { /* unrestricted any socket */
++ return 1;
++ }
++}
++
++
++
++static inline
++int nx_dev_visible(struct nx_info *nxi, struct net_device *dev)
++{
++ vxdprintk(VXD_CBIT(net, 1),
++ "nx_dev_visible(%p[#%u],%p " VS_Q("%s") ") %d",
++ nxi, nxi ? nxi->nx_id : 0, dev, dev->name,
++ nxi ? dev_in_nx_info(dev, nxi) : 0);
++
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (dev_in_nx_info(dev, nxi))
++ return 1;
++ return 0;
++}
++
++
++static inline
++int v4_ifa_in_nx_info(struct in_ifaddr *ifa, struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (!ifa)
++ return 0;
++ return v4_addr_in_nx_info(nxi, ifa->ifa_local, NXA_MASK_SHOW);
++}
++
++static inline
++int nx_v4_ifa_visible(struct nx_info *nxi, struct in_ifaddr *ifa)
++{
++ vxdprintk(VXD_CBIT(net, 1), "nx_v4_ifa_visible(%p[#%u],%p) %d",
++ nxi, nxi ? nxi->nx_id : 0, ifa,
++ nxi ? v4_ifa_in_nx_info(ifa, nxi) : 0);
++
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (v4_ifa_in_nx_info(ifa, nxi))
++ return 1;
++ return 0;
++}
++
++
++struct nx_v4_sock_addr {
++ __be32 saddr; /* Address used for validation */
++ __be32 baddr; /* Address used for socket bind */
++};
++
++static inline
++int v4_map_sock_addr(struct inet_sock *inet, struct sockaddr_in *addr,
++ struct nx_v4_sock_addr *nsa)
++{
++ struct sock *sk = &inet->sk;
++ struct nx_info *nxi = sk->sk_nx_info;
++ __be32 saddr = addr->sin_addr.s_addr;
++ __be32 baddr = saddr;
++
++ vxdprintk(VXD_CBIT(net, 3),
++ "inet_bind(%p)* %p,%p;%lx " NIPQUAD_FMT,
++ sk, sk->sk_nx_info, sk->sk_socket,
++ (sk->sk_socket ? sk->sk_socket->flags : 0),
++ NIPQUAD(saddr));
++
++ if (nxi) {
++ if (saddr == INADDR_ANY) {
++ if (nx_info_flags(nxi, NXF_SINGLE_IP, 0))
++ baddr = nxi->v4.ip[0].s_addr;
++ } else if (saddr == IPI_LOOPBACK) {
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ baddr = nxi->v4_lback.s_addr;
++ } else if (!ipv4_is_multicast(saddr) ||
++ !nx_info_ncaps(nxi, NXC_MULTICAST)) {
++ /* normal address bind */
++ if (!v4_addr_in_nx_info(nxi, saddr, NXA_MASK_BIND))
++ return -EADDRNOTAVAIL;
++ }
++ }
++
++ vxdprintk(VXD_CBIT(net, 3),
++ "inet_bind(%p) " NIPQUAD_FMT ", " NIPQUAD_FMT,
++ sk, NIPQUAD(saddr), NIPQUAD(baddr));
++
++ nsa->saddr = saddr;
++ nsa->baddr = baddr;
++ return 0;
++}
++
++static inline
++void v4_set_sock_addr(struct inet_sock *inet, struct nx_v4_sock_addr *nsa)
++{
++ inet->inet_saddr = nsa->baddr;
++ inet->inet_rcv_saddr = nsa->baddr;
++}
++
++
++/*
++ * helper to simplify inet_lookup_listener
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ * saddr: socket address
++ */
++static inline int v4_inet_addr_match (
++ struct nx_info *nxi,
++ __be32 addr,
++ __be32 saddr)
++{
++ if (addr && (saddr == addr))
++ return 1;
++ if (!saddr)
++ return nxi ? v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND) : 1;
++ return 0;
++}
++
++static inline __be32 nx_map_sock_lback(struct nx_info *nxi, __be32 addr)
++{
++ if (nx_info_flags(nxi, NXF_HIDE_LBACK, 0) &&
++ (addr == nxi->v4_lback.s_addr))
++ return IPI_LOOPBACK;
++ return addr;
++}
++
++static inline
++int nx_info_has_v4(struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (NX_IPV4(nxi))
++ return 1;
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ return 1;
++ return 0;
++}
++
++#else /* CONFIG_INET */
++
++static inline
++int nx_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
++
++static inline
++int nx_v4_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
++
++static inline
++int v4_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
++
++static inline
++int nx_info_has_v4(struct nx_info *nxi)
++{
++ return 0;
++}
++
++#endif /* CONFIG_INET */
++
++#define current_nx_info_has_v4() \
++ nx_info_has_v4(current_nx_info())
++
++#else
++// #warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_inet6.h linux-3.4.45-vs2.3.3.9/include/linux/vs_inet6.h
+--- linux-3.4.45/include/linux/vs_inet6.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_inet6.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,246 @@
++#ifndef _VS_INET6_H
++#define _VS_INET6_H
++
++#include "vserver/base.h"
++#include "vserver/network.h"
++#include "vserver/debug.h"
++
++#include <net/ipv6.h>
++
++#define NXAV6(a) &(a)->ip, &(a)->mask, (a)->prefix, (a)->type
++#define NXAV6_FMT "[%pI6/%pI6/%d:%04x]"
++
++
++#ifdef CONFIG_IPV6
++
++static inline
++int v6_addr_match(struct nx_addr_v6 *nxa,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ int ret = 0;
++
++ switch (nxa->type & mask) {
++ case NXA_TYPE_MASK:
++ ret = ipv6_masked_addr_cmp(&nxa->ip, &nxa->mask, addr);
++ break;
++ case NXA_TYPE_ADDR:
++ ret = ipv6_addr_equal(&nxa->ip, addr);
++ break;
++ case NXA_TYPE_ANY:
++ ret = 1;
++ break;
++ }
++ vxdprintk(VXD_CBIT(net, 0),
++ "v6_addr_match(%p" NXAV6_FMT ",%pI6,%04x) = %d",
++ nxa, NXAV6(nxa), addr, mask, ret);
++ return ret;
++}
++
++static inline
++int v6_addr_in_nx_info(struct nx_info *nxi,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ struct nx_addr_v6 *nxa;
++ int ret = 1;
++
++ if (!nxi)
++ goto out;
++ for (nxa = &nxi->v6; nxa; nxa = nxa->next)
++ if (v6_addr_match(nxa, addr, mask))
++ goto out;
++ ret = 0;
++out:
++ vxdprintk(VXD_CBIT(net, 0),
++ "v6_addr_in_nx_info(%p[#%u],%pI6,%04x) = %d",
++ nxi, nxi ? nxi->nx_id : 0, addr, mask, ret);
++ return ret;
++}
++
++static inline
++int v6_nx_addr_match(struct nx_addr_v6 *nxa, struct nx_addr_v6 *addr, uint16_t mask)
++{
++ /* FIXME: needs full range checks */
++ return v6_addr_match(nxa, &addr->ip, mask);
++}
++
++static inline
++int v6_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v6 *nxa, uint16_t mask)
++{
++ struct nx_addr_v6 *ptr;
++
++ for (ptr = &nxi->v6; ptr; ptr = ptr->next)
++ if (v6_nx_addr_match(ptr, nxa, mask))
++ return 1;
++ return 0;
++}
++
++
++/*
++ * Check if a given address matches for a socket
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ */
++static inline
++int v6_sock_addr_match (
++ struct nx_info *nxi,
++ struct inet_sock *inet,
++ struct in6_addr *addr)
++{
++ struct sock *sk = &inet->sk;
++ struct in6_addr *saddr = inet6_rcv_saddr(sk);
++
++ if (!ipv6_addr_any(addr) &&
++ ipv6_addr_equal(saddr, addr))
++ return 1;
++ if (ipv6_addr_any(saddr))
++ return v6_addr_in_nx_info(nxi, addr, -1);
++ return 0;
++}
++
++/*
++ * check if address is covered by socket
++ *
++ * sk: the socket to check against
++ * addr: the address in question (must be != 0)
++ */
++
++static inline
++int __v6_addr_match_socket(const struct sock *sk, struct nx_addr_v6 *nxa)
++{
++ struct nx_info *nxi = sk->sk_nx_info;
++ struct in6_addr *saddr = inet6_rcv_saddr(sk);
++
++ vxdprintk(VXD_CBIT(net, 5),
++ "__v6_addr_in_socket(%p," NXAV6_FMT ") %p:%pI6 %p;%lx",
++ sk, NXAV6(nxa), nxi, saddr, sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
++
++ if (!ipv6_addr_any(saddr)) { /* direct address match */
++ return v6_addr_match(nxa, saddr, -1);
++ } else if (nxi) { /* match against nx_info */
++ return v6_nx_addr_in_nx_info(nxi, nxa, -1);
++ } else { /* unrestricted any socket */
++ return 1;
++ }
++}
++
++
++/* inet related checks and helpers */
++
++
++struct in_ifaddr;
++struct net_device;
++struct sock;
++
++
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_timewait_sock.h>
++
++
++int dev_in_nx_info(struct net_device *, struct nx_info *);
++int v6_dev_in_nx_info(struct net_device *, struct nx_info *);
++int nx_v6_addr_conflict(struct nx_info *, struct nx_info *);
++
++
++
++static inline
++int v6_ifa_in_nx_info(struct inet6_ifaddr *ifa, struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (!ifa)
++ return 0;
++ return v6_addr_in_nx_info(nxi, &ifa->addr, -1);
++}
++
++static inline
++int nx_v6_ifa_visible(struct nx_info *nxi, struct inet6_ifaddr *ifa)
++{
++ vxdprintk(VXD_CBIT(net, 1), "nx_v6_ifa_visible(%p[#%u],%p) %d",
++ nxi, nxi ? nxi->nx_id : 0, ifa,
++ nxi ? v6_ifa_in_nx_info(ifa, nxi) : 0);
++
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (v6_ifa_in_nx_info(ifa, nxi))
++ return 1;
++ return 0;
++}
++
++
++struct nx_v6_sock_addr {
++ struct in6_addr saddr; /* Address used for validation */
++ struct in6_addr baddr; /* Address used for socket bind */
++};
++
++static inline
++int v6_map_sock_addr(struct inet_sock *inet, struct sockaddr_in6 *addr,
++ struct nx_v6_sock_addr *nsa)
++{
++ // struct sock *sk = &inet->sk;
++ // struct nx_info *nxi = sk->sk_nx_info;
++ struct in6_addr saddr = addr->sin6_addr;
++ struct in6_addr baddr = saddr;
++
++ nsa->saddr = saddr;
++ nsa->baddr = baddr;
++ return 0;
++}
++
++static inline
++void v6_set_sock_addr(struct inet_sock *inet, struct nx_v6_sock_addr *nsa)
++{
++ // struct sock *sk = &inet->sk;
++ // struct in6_addr *saddr = inet6_rcv_saddr(sk);
++
++ // *saddr = nsa->baddr;
++ // inet->inet_saddr = nsa->baddr;
++}
++
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (NX_IPV6(nxi))
++ return 1;
++ return 0;
++}
++
++#else /* CONFIG_IPV6 */
++
++static inline
++int nx_v6_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
++
++
++static inline
++int nx_v6_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
++
++static inline
++int v6_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
++
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ return 0;
++}
++
++#endif /* CONFIG_IPV6 */
++
++#define current_nx_info_has_v6() \
++ nx_info_has_v6(current_nx_info())
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_limit.h linux-3.4.45-vs2.3.3.9/include/linux/vs_limit.h
+--- linux-3.4.45/include/linux/vs_limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_limit.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,140 @@
++#ifndef _VS_LIMIT_H
++#define _VS_LIMIT_H
++
++#include "vserver/limit.h"
++#include "vserver/base.h"
++#include "vserver/context.h"
++#include "vserver/debug.h"
++#include "vserver/context.h"
++#include "vserver/limit_int.h"
++
++
++#define vx_acc_cres(v, d, p, r) \
++ __vx_acc_cres(v, r, d, p, __FILE__, __LINE__)
++
++#define vx_acc_cres_cond(x, d, p, r) \
++ __vx_acc_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
++ r, d, p, __FILE__, __LINE__)
++
++
++#define vx_add_cres(v, a, p, r) \
++ __vx_add_cres(v, r, a, p, __FILE__, __LINE__)
++#define vx_sub_cres(v, a, p, r) vx_add_cres(v, -(a), p, r)
++
++#define vx_add_cres_cond(x, a, p, r) \
++ __vx_add_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
++ r, a, p, __FILE__, __LINE__)
++#define vx_sub_cres_cond(x, a, p, r) vx_add_cres_cond(x, -(a), p, r)
++
++
++/* process and file limits */
++
++#define vx_nproc_inc(p) \
++ vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC)
++
++#define vx_nproc_dec(p) \
++ vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC)
++
++#define vx_files_inc(f) \
++ vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE)
++
++#define vx_files_dec(f) \
++ vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE)
++
++#define vx_locks_inc(l) \
++ vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS)
++
++#define vx_locks_dec(l) \
++ vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS)
++
++#define vx_openfd_inc(f) \
++ vx_acc_cres(current_vx_info(), 1, (void *)(long)(f), VLIMIT_OPENFD)
++
++#define vx_openfd_dec(f) \
++ vx_acc_cres(current_vx_info(),-1, (void *)(long)(f), VLIMIT_OPENFD)
++
++
++#define vx_cres_avail(v, n, r) \
++ __vx_cres_avail(v, r, n, __FILE__, __LINE__)
++
++
++#define vx_nproc_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NPROC)
++
++#define vx_files_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NOFILE)
++
++#define vx_locks_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_LOCKS)
++
++#define vx_openfd_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_OPENFD)
++
++
++/* dentry limits */
++
++#define vx_dentry_inc(d) do { \
++ if ((d)->d_count == 1) \
++ vx_acc_cres(current_vx_info(), 1, d, VLIMIT_DENTRY); \
++ } while (0)
++
++#define vx_dentry_dec(d) do { \
++ if ((d)->d_count == 0) \
++ vx_acc_cres(current_vx_info(),-1, d, VLIMIT_DENTRY); \
++ } while (0)
++
++#define vx_dentry_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_DENTRY)
++
++
++/* socket limits */
++
++#define vx_sock_inc(s) \
++ vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK)
++
++#define vx_sock_dec(s) \
++ vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK)
++
++#define vx_sock_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_NSOCK)
++
++
++/* ipc resource limits */
++
++#define vx_ipcmsg_add(v, u, a) \
++ vx_add_cres(v, a, u, RLIMIT_MSGQUEUE)
++
++#define vx_ipcmsg_sub(v, u, a) \
++ vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE)
++
++#define vx_ipcmsg_avail(v, a) \
++ vx_cres_avail(v, a, RLIMIT_MSGQUEUE)
++
++
++#define vx_ipcshm_add(v, k, a) \
++ vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++
++#define vx_ipcshm_sub(v, k, a) \
++ vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++
++#define vx_ipcshm_avail(v, a) \
++ vx_cres_avail(v, a, VLIMIT_SHMEM)
++
++
++#define vx_semary_inc(a) \
++ vx_acc_cres(current_vx_info(), 1, a, VLIMIT_SEMARY)
++
++#define vx_semary_dec(a) \
++ vx_acc_cres(current_vx_info(), -1, a, VLIMIT_SEMARY)
++
++
++#define vx_nsems_add(a,n) \
++ vx_add_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
++
++#define vx_nsems_sub(a,n) \
++ vx_sub_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_network.h linux-3.4.45-vs2.3.3.9/include/linux/vs_network.h
+--- linux-3.4.45/include/linux/vs_network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_network.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,169 @@
++#ifndef _NX_VS_NETWORK_H
++#define _NX_VS_NETWORK_H
++
++#include "vserver/context.h"
++#include "vserver/network.h"
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
++
++#include <linux/sched.h>
++
++
++#define get_nx_info(i) __get_nx_info(i, __FILE__, __LINE__)
++
++static inline struct nx_info *__get_nx_info(struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ if (!nxi)
++ return NULL;
++
++ vxlprintk(VXD_CBIT(nid, 2), "get_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ atomic_inc(&nxi->nx_usecnt);
++ return nxi;
++}
++
++
++extern void free_nx_info(struct nx_info *);
++
++#define put_nx_info(i) __put_nx_info(i, __FILE__, __LINE__)
++
++static inline void __put_nx_info(struct nx_info *nxi, const char *_file, int _line)
++{
++ if (!nxi)
++ return;
++
++ vxlprintk(VXD_CBIT(nid, 2), "put_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ if (atomic_dec_and_test(&nxi->nx_usecnt))
++ free_nx_info(nxi);
++}
++
++
++#define init_nx_info(p, i) __init_nx_info(p, i, __FILE__, __LINE__)
++
++static inline void __init_nx_info(struct nx_info **nxp, struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ if (nxi) {
++ vxlprintk(VXD_CBIT(nid, 3),
++ "init_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ atomic_inc(&nxi->nx_usecnt);
++ }
++ *nxp = nxi;
++}
++
++
++#define set_nx_info(p, i) __set_nx_info(p, i, __FILE__, __LINE__)
++
++static inline void __set_nx_info(struct nx_info **nxp, struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
++
++ if (!nxi)
++ return;
++
++ vxlprintk(VXD_CBIT(nid, 3), "set_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ atomic_inc(&nxi->nx_usecnt);
++ nxo = xchg(nxp, nxi);
++ BUG_ON(nxo);
++}
++
++#define clr_nx_info(p) __clr_nx_info(p, __FILE__, __LINE__)
++
++static inline void __clr_nx_info(struct nx_info **nxp,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
++
++ nxo = xchg(nxp, NULL);
++ if (!nxo)
++ return;
++
++ vxlprintk(VXD_CBIT(nid, 3), "clr_nx_info(%p[#%d.%d])",
++ nxo, nxo ? nxo->nx_id : 0,
++ nxo ? atomic_read(&nxo->nx_usecnt) : 0,
++ _file, _line);
++
++ if (atomic_dec_and_test(&nxo->nx_usecnt))
++ free_nx_info(nxo);
++}
++
++
++#define claim_nx_info(v, p) __claim_nx_info(v, p, __FILE__, __LINE__)
++
++static inline void __claim_nx_info(struct nx_info *nxi,
++ struct task_struct *task, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(nid, 3), "claim_nx_info(%p[#%d.%d.%d]) %p",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi?atomic_read(&nxi->nx_usecnt):0,
++ nxi?atomic_read(&nxi->nx_tasks):0,
++ task, _file, _line);
++
++ atomic_inc(&nxi->nx_tasks);
++}
++
++
++extern void unhash_nx_info(struct nx_info *);
++
++#define release_nx_info(v, p) __release_nx_info(v, p, __FILE__, __LINE__)
++
++static inline void __release_nx_info(struct nx_info *nxi,
++ struct task_struct *task, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(nid, 3), "release_nx_info(%p[#%d.%d.%d]) %p",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ nxi ? atomic_read(&nxi->nx_tasks) : 0,
++ task, _file, _line);
++
++ might_sleep();
++
++ if (atomic_dec_and_test(&nxi->nx_tasks))
++ unhash_nx_info(nxi);
++}
++
++
++#define task_get_nx_info(i) __task_get_nx_info(i, __FILE__, __LINE__)
++
++static __inline__ struct nx_info *__task_get_nx_info(struct task_struct *p,
++ const char *_file, int _line)
++{
++ struct nx_info *nxi;
++
++ task_lock(p);
++ vxlprintk(VXD_CBIT(nid, 5), "task_get_nx_info(%p)",
++ p, _file, _line);
++ nxi = __get_nx_info(p->nx_info, _file, _line);
++ task_unlock(p);
++ return nxi;
++}
++
++
++static inline void exit_nx_info(struct task_struct *p)
++{
++ if (p->nx_info)
++ release_nx_info(p->nx_info, p);
++}
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_pid.h linux-3.4.45-vs2.3.3.9/include/linux/vs_pid.h
+--- linux-3.4.45/include/linux/vs_pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_pid.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,50 @@
++#ifndef _VS_PID_H
++#define _VS_PID_H
++
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/context.h"
++#include "vserver/debug.h"
++#include "vserver/pid.h"
++#include <linux/pid_namespace.h>
++
++
++#define VXF_FAKE_INIT (VXF_INFO_INIT | VXF_STATE_INIT)
++
++static inline
++int vx_proc_task_visible(struct task_struct *task)
++{
++ if ((task->pid == 1) &&
++ !vx_flags(VXF_FAKE_INIT, VXF_FAKE_INIT))
++ /* show a blend through init */
++ goto visible;
++ if (vx_check(vx_task_xid(task), VS_WATCH | VS_IDENT))
++ goto visible;
++ return 0;
++visible:
++ return 1;
++}
++
++#define find_task_by_real_pid(pid) find_task_by_pid_ns(pid, &init_pid_ns)
++
++
++static inline
++struct task_struct *vx_get_proc_task(struct inode *inode, struct pid *pid)
++{
++ struct task_struct *task = get_pid_task(pid, PIDTYPE_PID);
++
++ if (task && !vx_proc_task_visible(task)) {
++ vxdprintk(VXD_CBIT(misc, 6),
++ "dropping task (get) %p[#%u,%u] for %p[#%u,%u]",
++ task, task->xid, task->pid,
++ current, current->xid, current->pid);
++ put_task_struct(task);
++ task = NULL;
++ }
++ return task;
++}
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_sched.h linux-3.4.45-vs2.3.3.9/include/linux/vs_sched.h
+--- linux-3.4.45/include/linux/vs_sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_sched.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,40 @@
++#ifndef _VS_SCHED_H
++#define _VS_SCHED_H
++
++#include "vserver/base.h"
++#include "vserver/context.h"
++#include "vserver/sched.h"
++
++
++#define MAX_PRIO_BIAS 20
++#define MIN_PRIO_BIAS -20
++
++static inline
++int vx_adjust_prio(struct task_struct *p, int prio, int max_user)
++{
++ struct vx_info *vxi = p->vx_info;
++
++ if (vxi)
++ prio += vx_cpu(vxi, sched_pc).prio_bias;
++ return prio;
++}
++
++static inline void vx_account_user(struct vx_info *vxi,
++ cputime_t cputime, int nice)
++{
++ if (!vxi)
++ return;
++ vx_cpu(vxi, sched_pc).user_ticks += cputime;
++}
++
++static inline void vx_account_system(struct vx_info *vxi,
++ cputime_t cputime, int idle)
++{
++ if (!vxi)
++ return;
++ vx_cpu(vxi, sched_pc).sys_ticks += cputime;
++}
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_socket.h linux-3.4.45-vs2.3.3.9/include/linux/vs_socket.h
+--- linux-3.4.45/include/linux/vs_socket.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_socket.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,67 @@
++#ifndef _VS_SOCKET_H
++#define _VS_SOCKET_H
++
++#include "vserver/debug.h"
++#include "vserver/base.h"
++#include "vserver/cacct.h"
++#include "vserver/context.h"
++#include "vserver/tag.h"
++
++
++/* socket accounting */
++
++#include <linux/socket.h>
++
++static inline int vx_sock_type(int family)
++{
++ switch (family) {
++ case PF_UNSPEC:
++ return VXA_SOCK_UNSPEC;
++ case PF_UNIX:
++ return VXA_SOCK_UNIX;
++ case PF_INET:
++ return VXA_SOCK_INET;
++ case PF_INET6:
++ return VXA_SOCK_INET6;
++ case PF_PACKET:
++ return VXA_SOCK_PACKET;
++ default:
++ return VXA_SOCK_OTHER;
++ }
++}
++
++#define vx_acc_sock(v, f, p, s) \
++ __vx_acc_sock(v, f, p, s, __FILE__, __LINE__)
++
++static inline void __vx_acc_sock(struct vx_info *vxi,
++ int family, int pos, int size, char *file, int line)
++{
++ if (vxi) {
++ int type = vx_sock_type(family);
++
++ atomic_long_inc(&vxi->cacct.sock[type][pos].count);
++ atomic_long_add(size, &vxi->cacct.sock[type][pos].total);
++ }
++}
++
++#define vx_sock_recv(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 0, s)
++#define vx_sock_send(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 1, s)
++#define vx_sock_fail(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 2, s)
++
++
++#define sock_vx_init(s) do { \
++ (s)->sk_xid = 0; \
++ (s)->sk_vx_info = NULL; \
++ } while (0)
++
++#define sock_nx_init(s) do { \
++ (s)->sk_nid = 0; \
++ (s)->sk_nx_info = NULL; \
++ } while (0)
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_tag.h linux-3.4.45-vs2.3.3.9/include/linux/vs_tag.h
+--- linux-3.4.45/include/linux/vs_tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_tag.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VS_TAG_H
++#define _VS_TAG_H
++
++#include <linux/vserver/tag.h>
++
++/* check conditions */
++
++#define DX_ADMIN 0x0001
++#define DX_WATCH 0x0002
++#define DX_HOSTID 0x0008
++
++#define DX_IDENT 0x0010
++
++#define DX_ARG_MASK 0x0010
++
++
++#define dx_task_tag(t) ((t)->tag)
++
++#define dx_current_tag() dx_task_tag(current)
++
++#define dx_check(c, m) __dx_check(dx_current_tag(), c, m)
++
++#define dx_weak_check(c, m) ((m) ? dx_check(c, m) : 1)
++
++
++/*
++ * check current context for ADMIN/WATCH and
++ * optionally against supplied argument
++ */
++static inline int __dx_check(tag_t cid, tag_t id, unsigned int mode)
++{
++ if (mode & DX_ARG_MASK) {
++ if ((mode & DX_IDENT) && (id == cid))
++ return 1;
++ }
++ return (((mode & DX_ADMIN) && (cid == 0)) ||
++ ((mode & DX_WATCH) && (cid == 1)) ||
++ ((mode & DX_HOSTID) && (id == 0)));
++}
++
++struct inode;
++int dx_permission(const struct inode *inode, int mask);
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vs_time.h linux-3.4.45-vs2.3.3.9/include/linux/vs_time.h
+--- linux-3.4.45/include/linux/vs_time.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vs_time.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VS_TIME_H
++#define _VS_TIME_H
++
++
++/* time faking stuff */
++
++#ifdef CONFIG_VSERVER_VTIME
++
++extern void vx_adjust_timespec(struct timespec *ts);
++extern int vx_settimeofday(const struct timespec *ts);
++
++#else
++#define vx_adjust_timespec(t) do { } while (0)
++#define vx_settimeofday(t) do_settimeofday(t)
++#endif
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/Kbuild linux-3.4.45-vs2.3.3.9/include/linux/vserver/Kbuild
+--- linux-3.4.45/include/linux/vserver/Kbuild 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/Kbuild 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,8 @@
++
++header-y += context_cmd.h network_cmd.h space_cmd.h \
++ cacct_cmd.h cvirt_cmd.h limit_cmd.h dlimit_cmd.h \
++ inode_cmd.h tag_cmd.h sched_cmd.h signal_cmd.h \
++ debug_cmd.h device_cmd.h
++
++header-y += switch.h network.h monitor.h inode.h device.h
++
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/base.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/base.h
+--- linux-3.4.45/include/linux/vserver/base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/base.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,178 @@
++#ifndef _VX_BASE_H
++#define _VX_BASE_H
++
++
++/* context state changes */
++
++enum {
++ VSC_STARTUP = 1,
++ VSC_SHUTDOWN,
++
++ VSC_NETUP,
++ VSC_NETDOWN,
++};
++
++
++
++#define vx_task_xid(t) ((t)->xid)
++
++#define vx_current_xid() vx_task_xid(current)
++
++#define current_vx_info() (current->vx_info)
++
++
++#define nx_task_nid(t) ((t)->nid)
++
++#define nx_current_nid() nx_task_nid(current)
++
++#define current_nx_info() (current->nx_info)
++
++
++/* generic flag merging */
++
++#define vs_check_flags(v, m, f) (((v) & (m)) ^ (f))
++
++#define vs_mask_flags(v, f, m) (((v) & ~(m)) | ((f) & (m)))
++
++#define vs_mask_mask(v, f, m) (((v) & ~(m)) | ((v) & (f) & (m)))
++
++#define vs_check_bit(v, n) ((v) & (1LL << (n)))
++
++
++/* context flags */
++
++#define __vx_flags(v) ((v) ? (v)->vx_flags : 0)
++
++#define vx_current_flags() __vx_flags(current_vx_info())
++
++#define vx_info_flags(v, m, f) \
++ vs_check_flags(__vx_flags(v), m, f)
++
++#define task_vx_flags(t, m, f) \
++ ((t) && vx_info_flags((t)->vx_info, m, f))
++
++#define vx_flags(m, f) vx_info_flags(current_vx_info(), m, f)
++
++
++/* context caps */
++
++#define __vx_ccaps(v) ((v) ? (v)->vx_ccaps : 0)
++
++#define vx_current_ccaps() __vx_ccaps(current_vx_info())
++
++#define vx_info_ccaps(v, c) (__vx_ccaps(v) & (c))
++
++#define vx_ccaps(c) vx_info_ccaps(current_vx_info(), (c))
++
++
++
++/* network flags */
++
++#define __nx_flags(n) ((n) ? (n)->nx_flags : 0)
++
++#define nx_current_flags() __nx_flags(current_nx_info())
++
++#define nx_info_flags(n, m, f) \
++ vs_check_flags(__nx_flags(n), m, f)
++
++#define task_nx_flags(t, m, f) \
++ ((t) && nx_info_flags((t)->nx_info, m, f))
++
++#define nx_flags(m, f) nx_info_flags(current_nx_info(), m, f)
++
++
++/* network caps */
++
++#define __nx_ncaps(n) ((n) ? (n)->nx_ncaps : 0)
++
++#define nx_current_ncaps() __nx_ncaps(current_nx_info())
++
++#define nx_info_ncaps(n, c) (__nx_ncaps(n) & (c))
++
++#define nx_ncaps(c) nx_info_ncaps(current_nx_info(), c)
++
++
++/* context mask capabilities */
++
++#define __vx_mcaps(v) ((v) ? (v)->vx_ccaps >> 32UL : ~0 )
++
++#define vx_info_mcaps(v, c) (__vx_mcaps(v) & (c))
++
++#define vx_mcaps(c) vx_info_mcaps(current_vx_info(), c)
++
++
++/* context bcap mask */
++
++#define __vx_bcaps(v) ((v)->vx_bcaps)
++
++#define vx_current_bcaps() __vx_bcaps(current_vx_info())
++
++
++/* mask given bcaps */
++
++#define vx_info_mbcaps(v, c) ((v) ? cap_intersect(__vx_bcaps(v), c) : c)
++
++#define vx_mbcaps(c) vx_info_mbcaps(current_vx_info(), c)
++
++
++/* masked cap_bset */
++
++#define vx_info_cap_bset(v) vx_info_mbcaps(v, current->cap_bset)
++
++#define vx_current_cap_bset() vx_info_cap_bset(current_vx_info())
++
++#if 0
++#define vx_info_mbcap(v, b) \
++ (!vx_info_flags(v, VXF_STATE_SETUP, 0) ? \
++ vx_info_bcaps(v, b) : (b))
++
++#define task_vx_mbcap(t, b) \
++ vx_info_mbcap((t)->vx_info, (t)->b)
++
++#define vx_mbcap(b) task_vx_mbcap(current, b)
++#endif
++
++#define vx_cap_raised(v, c, f) cap_raised(vx_info_mbcaps(v, c), f)
++
++#define vx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
++
++#define vx_ns_capable(n, b, c) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
++
++#define nx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && nx_ncaps(c)))
++
++#define vx_task_initpid(t, n) \
++ ((t)->vx_info && \
++ ((t)->vx_info->vx_initpid == (n)))
++
++#define vx_current_initpid(n) vx_task_initpid(current, n)
++
++
++/* context unshare mask */
++
++#define __vx_umask(v) ((v)->vx_umask)
++
++#define vx_current_umask() __vx_umask(current_vx_info())
++
++#define vx_can_unshare(b, f) (capable(b) || \
++ (cap_raised(current_cap(), b) && \
++ !((f) & ~vx_current_umask())))
++
++
++#define __vx_wmask(v) ((v)->vx_wmask)
++
++#define vx_current_wmask() __vx_wmask(current_vx_info())
++
++
++#define __vx_state(v) ((v) ? ((v)->vx_state) : 0)
++
++#define vx_info_state(v, m) (__vx_state(v) & (m))
++
++
++#define __nx_state(n) ((n) ? ((n)->nx_state) : 0)
++
++#define nx_info_state(n, m) (__nx_state(n) & (m))
++
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/cacct.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/cacct.h
+--- linux-3.4.45/include/linux/vserver/cacct.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/cacct.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,15 @@
++#ifndef _VX_CACCT_H
++#define _VX_CACCT_H
++
++
++enum sock_acc_field {
++ VXA_SOCK_UNSPEC = 0,
++ VXA_SOCK_UNIX,
++ VXA_SOCK_INET,
++ VXA_SOCK_INET6,
++ VXA_SOCK_PACKET,
++ VXA_SOCK_OTHER,
++ VXA_SOCK_SIZE /* array size */
++};
++
++#endif /* _VX_CACCT_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/cacct_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/cacct_cmd.h
+--- linux-3.4.45/include/linux/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/cacct_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _VX_CACCT_CMD_H
++#define _VX_CACCT_CMD_H
++
++
++/* virtual host info name commands */
++
++#define VCMD_sock_stat VC_CMD(VSTAT, 5, 0)
++
++struct vcmd_sock_stat_v0 {
++ uint32_t field;
++ uint32_t count[3];
++ uint64_t total[3];
++};
++
++
++#ifdef __KERNEL__
++
++#include <linux/compiler.h>
++
++extern int vc_sock_stat(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++#endif /* _VX_CACCT_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/cacct_def.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/cacct_def.h
+--- linux-3.4.45/include/linux/vserver/cacct_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/cacct_def.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,43 @@
++#ifndef _VX_CACCT_DEF_H
++#define _VX_CACCT_DEF_H
++
++#include <asm/atomic.h>
++#include <linux/vserver/cacct.h>
++
++
++struct _vx_sock_acc {
++ atomic_long_t count;
++ atomic_long_t total;
++};
++
++/* context sub struct */
++
++struct _vx_cacct {
++ struct _vx_sock_acc sock[VXA_SOCK_SIZE][3];
++ atomic_t slab[8];
++ atomic_t page[6][8];
++};
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_cacct(struct _vx_cacct *cacct)
++{
++ int i, j;
++
++ printk("\t_vx_cacct:");
++ for (i = 0; i < 6; i++) {
++ struct _vx_sock_acc *ptr = cacct->sock[i];
++
++ printk("\t [%d] =", i);
++ for (j = 0; j < 3; j++) {
++ printk(" [%d] = %8lu, %8lu", j,
++ atomic_long_read(&ptr[j].count),
++ atomic_long_read(&ptr[j].total));
++ }
++ printk("\n");
++ }
++}
++
++#endif
++
++#endif /* _VX_CACCT_DEF_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/cacct_int.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/cacct_int.h
+--- linux-3.4.45/include/linux/vserver/cacct_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/cacct_int.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,21 @@
++#ifndef _VX_CACCT_INT_H
++#define _VX_CACCT_INT_H
++
++
++#ifdef __KERNEL__
++
++static inline
++unsigned long vx_sock_count(struct _vx_cacct *cacct, int type, int pos)
++{
++ return atomic_long_read(&cacct->sock[type][pos].count);
++}
++
++
++static inline
++unsigned long vx_sock_total(struct _vx_cacct *cacct, int type, int pos)
++{
++ return atomic_long_read(&cacct->sock[type][pos].total);
++}
++
++#endif /* __KERNEL__ */
++#endif /* _VX_CACCT_INT_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/check.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/check.h
+--- linux-3.4.45/include/linux/vserver/check.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/check.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,89 @@
++#ifndef _VS_CHECK_H
++#define _VS_CHECK_H
++
++
++#define MAX_S_CONTEXT 65535 /* Arbitrary limit */
++
++#ifdef CONFIG_VSERVER_DYNAMIC_IDS
++#define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
++#else
++#define MIN_D_CONTEXT 65536
++#endif
++
++/* check conditions */
++
++#define VS_ADMIN 0x0001
++#define VS_WATCH 0x0002
++#define VS_HIDE 0x0004
++#define VS_HOSTID 0x0008
++
++#define VS_IDENT 0x0010
++#define VS_EQUIV 0x0020
++#define VS_PARENT 0x0040
++#define VS_CHILD 0x0080
++
++#define VS_ARG_MASK 0x00F0
++
++#define VS_DYNAMIC 0x0100
++#define VS_STATIC 0x0200
++
++#define VS_ATR_MASK 0x0F00
++
++#ifdef CONFIG_VSERVER_PRIVACY
++#define VS_ADMIN_P (0)
++#define VS_WATCH_P (0)
++#else
++#define VS_ADMIN_P VS_ADMIN
++#define VS_WATCH_P VS_WATCH
++#endif
++
++#define VS_HARDIRQ 0x1000
++#define VS_SOFTIRQ 0x2000
++#define VS_IRQ 0x4000
++
++#define VS_IRQ_MASK 0xF000
++
++#include <linux/hardirq.h>
++
++/*
++ * check current context for ADMIN/WATCH and
++ * optionally against supplied argument
++ */
++static inline int __vs_check(int cid, int id, unsigned int mode)
++{
++ if (mode & VS_ARG_MASK) {
++ if ((mode & VS_IDENT) && (id == cid))
++ return 1;
++ }
++ if (mode & VS_ATR_MASK) {
++ if ((mode & VS_DYNAMIC) &&
++ (id >= MIN_D_CONTEXT) &&
++ (id <= MAX_S_CONTEXT))
++ return 1;
++ if ((mode & VS_STATIC) &&
++ (id > 1) && (id < MIN_D_CONTEXT))
++ return 1;
++ }
++ if (mode & VS_IRQ_MASK) {
++ if ((mode & VS_IRQ) && unlikely(in_interrupt()))
++ return 1;
++ if ((mode & VS_HARDIRQ) && unlikely(in_irq()))
++ return 1;
++ if ((mode & VS_SOFTIRQ) && unlikely(in_softirq()))
++ return 1;
++ }
++ return (((mode & VS_ADMIN) && (cid == 0)) ||
++ ((mode & VS_WATCH) && (cid == 1)) ||
++ ((mode & VS_HOSTID) && (id == 0)));
++}
++
++#define vx_check(c, m) __vs_check(vx_current_xid(), c, (m) | VS_IRQ)
++
++#define vx_weak_check(c, m) ((m) ? vx_check(c, m) : 1)
++
++
++#define nx_check(c, m) __vs_check(nx_current_nid(), c, m)
++
++#define nx_weak_check(c, m) ((m) ? nx_check(c, m) : 1)
++
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/context.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/context.h
+--- linux-3.4.45/include/linux/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/context.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,188 @@
++#ifndef _VX_CONTEXT_H
++#define _VX_CONTEXT_H
++
++#include <linux/types.h>
++#include <linux/capability.h>
++
++
++/* context flags */
++
++#define VXF_INFO_SCHED 0x00000002
++#define VXF_INFO_NPROC 0x00000004
++#define VXF_INFO_PRIVATE 0x00000008
++
++#define VXF_INFO_INIT 0x00000010
++#define VXF_INFO_HIDE 0x00000020
++#define VXF_INFO_ULIMIT 0x00000040
++#define VXF_INFO_NSPACE 0x00000080
++
++#define VXF_SCHED_HARD 0x00000100
++#define VXF_SCHED_PRIO 0x00000200
++#define VXF_SCHED_PAUSE 0x00000400
++
++#define VXF_VIRT_MEM 0x00010000
++#define VXF_VIRT_UPTIME 0x00020000
++#define VXF_VIRT_CPU 0x00040000
++#define VXF_VIRT_LOAD 0x00080000
++#define VXF_VIRT_TIME 0x00100000
++
++#define VXF_HIDE_MOUNT 0x01000000
++/* was VXF_HIDE_NETIF 0x02000000 */
++#define VXF_HIDE_VINFO 0x04000000
++
++#define VXF_STATE_SETUP (1ULL << 32)
++#define VXF_STATE_INIT (1ULL << 33)
++#define VXF_STATE_ADMIN (1ULL << 34)
++
++#define VXF_SC_HELPER (1ULL << 36)
++#define VXF_REBOOT_KILL (1ULL << 37)
++#define VXF_PERSISTENT (1ULL << 38)
++
++#define VXF_FORK_RSS (1ULL << 48)
++#define VXF_PROLIFIC (1ULL << 49)
++
++#define VXF_IGNEG_NICE (1ULL << 52)
++
++#define VXF_ONE_TIME (0x0007ULL << 32)
++
++#define VXF_INIT_SET (VXF_STATE_SETUP | VXF_STATE_INIT | VXF_STATE_ADMIN)
++
++
++/* context migration */
++
++#define VXM_SET_INIT 0x00000001
++#define VXM_SET_REAPER 0x00000002
++
++/* context caps */
++
++#define VXC_SET_UTSNAME 0x00000001
++#define VXC_SET_RLIMIT 0x00000002
++#define VXC_FS_SECURITY 0x00000004
++#define VXC_FS_TRUSTED 0x00000008
++#define VXC_TIOCSTI 0x00000010
++
++/* was VXC_RAW_ICMP 0x00000100 */
++#define VXC_SYSLOG 0x00001000
++#define VXC_OOM_ADJUST 0x00002000
++#define VXC_AUDIT_CONTROL 0x00004000
++
++#define VXC_SECURE_MOUNT 0x00010000
++#define VXC_SECURE_REMOUNT 0x00020000
++#define VXC_BINARY_MOUNT 0x00040000
++
++#define VXC_QUOTA_CTL 0x00100000
++#define VXC_ADMIN_MAPPER 0x00200000
++#define VXC_ADMIN_CLOOP 0x00400000
++
++#define VXC_KTHREAD 0x01000000
++#define VXC_NAMESPACE 0x02000000
++
++
++#ifdef __KERNEL__
++
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++
++#include "limit_def.h"
++#include "sched_def.h"
++#include "cvirt_def.h"
++#include "cacct_def.h"
++#include "device_def.h"
++
++#define VX_SPACES 2
++
++struct _vx_info_pc {
++ struct _vx_sched_pc sched_pc;
++ struct _vx_cvirt_pc cvirt_pc;
++};
++
++struct _vx_space {
++ unsigned long vx_nsmask; /* assignment mask */
++ struct nsproxy *vx_nsproxy; /* private namespaces */
++ struct fs_struct *vx_fs; /* private namespace fs */
++ const struct cred *vx_cred; /* task credentials */
++};
++
++struct vx_info {
++ struct hlist_node vx_hlist; /* linked list of contexts */
++ xid_t vx_id; /* context id */
++ atomic_t vx_usecnt; /* usage count */
++ atomic_t vx_tasks; /* tasks count */
++ struct vx_info *vx_parent; /* parent context */
++ int vx_state; /* context state */
++
++ struct _vx_space space[VX_SPACES]; /* namespace store */
++
++ uint64_t vx_flags; /* context flags */
++ uint64_t vx_ccaps; /* context caps (vserver) */
++ uint64_t vx_umask; /* unshare mask (guest) */
++ uint64_t vx_wmask; /* warn mask (guest) */
++ kernel_cap_t vx_bcaps; /* bounding caps (system) */
++
++ struct task_struct *vx_reaper; /* guest reaper process */
++ pid_t vx_initpid; /* PID of guest init */
++ int64_t vx_badness_bias; /* OOM points bias */
++
++ struct _vx_limit limit; /* vserver limits */
++ struct _vx_sched sched; /* vserver scheduler */
++ struct _vx_cvirt cvirt; /* virtual/bias stuff */
++ struct _vx_cacct cacct; /* context accounting */
++
++ struct _vx_device dmap; /* default device map targets */
++
++#ifndef CONFIG_SMP
++ struct _vx_info_pc info_pc; /* per cpu data */
++#else
++ struct _vx_info_pc *ptr_pc; /* per cpu array */
++#endif
++
++ wait_queue_head_t vx_wait; /* context exit waitqueue */
++ int reboot_cmd; /* last sys_reboot() cmd */
++ int exit_code; /* last process exit code */
++
++ char vx_name[65]; /* vserver name */
++};
++
++#ifndef CONFIG_SMP
++#define vx_ptr_pc(vxi) (&(vxi)->info_pc)
++#define vx_per_cpu(vxi, v, id) vx_ptr_pc(vxi)->v
++#else
++#define vx_ptr_pc(vxi) ((vxi)->ptr_pc)
++#define vx_per_cpu(vxi, v, id) per_cpu_ptr(vx_ptr_pc(vxi), id)->v
++#endif
++
++#define vx_cpu(vxi, v) vx_per_cpu(vxi, v, smp_processor_id())
++
++
++struct vx_info_save {
++ struct vx_info *vxi;
++ xid_t xid;
++};
++
++
++/* status flags */
++
++#define VXS_HASHED 0x0001
++#define VXS_PAUSED 0x0010
++#define VXS_SHUTDOWN 0x0100
++#define VXS_HELPER 0x1000
++#define VXS_RELEASED 0x8000
++
++
++extern void claim_vx_info(struct vx_info *, struct task_struct *);
++extern void release_vx_info(struct vx_info *, struct task_struct *);
++
++extern struct vx_info *lookup_vx_info(int);
++extern struct vx_info *lookup_or_create_vx_info(int);
++
++extern int get_xid_list(int, unsigned int *, int);
++extern int xid_is_hashed(xid_t);
++
++extern int vx_migrate_task(struct task_struct *, struct vx_info *, int);
++
++extern long vs_state_change(struct vx_info *, unsigned int);
++
++
++#endif /* __KERNEL__ */
++#endif /* _VX_CONTEXT_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/context_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/context_cmd.h
+--- linux-3.4.45/include/linux/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/context_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,162 @@
++#ifndef _VX_CONTEXT_CMD_H
++#define _VX_CONTEXT_CMD_H
++
++
++/* vinfo commands */
++
++#define VCMD_task_xid VC_CMD(VINFO, 1, 0)
++
++#ifdef __KERNEL__
++extern int vc_task_xid(uint32_t);
++
++#endif /* __KERNEL__ */
++
++#define VCMD_vx_info VC_CMD(VINFO, 5, 0)
++
++struct vcmd_vx_info_v0 {
++ uint32_t xid;
++ uint32_t initpid;
++ /* more to come */
++};
++
++#ifdef __KERNEL__
++extern int vc_vx_info(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++#define VCMD_ctx_stat VC_CMD(VSTAT, 0, 0)
++
++struct vcmd_ctx_stat_v0 {
++ uint32_t usecnt;
++ uint32_t tasks;
++ /* more to come */
++};
++
++#ifdef __KERNEL__
++extern int vc_ctx_stat(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++/* context commands */
++
++#define VCMD_ctx_create_v0 VC_CMD(VPROC, 1, 0)
++#define VCMD_ctx_create VC_CMD(VPROC, 1, 1)
++
++struct vcmd_ctx_create {
++ uint64_t flagword;
++};
++
++#define VCMD_ctx_migrate_v0 VC_CMD(PROCMIG, 1, 0)
++#define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 1)
++
++struct vcmd_ctx_migrate {
++ uint64_t flagword;
++};
++
++#ifdef __KERNEL__
++extern int vc_ctx_create(uint32_t, void __user *);
++extern int vc_ctx_migrate(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++
++/* flag commands */
++
++#define VCMD_get_cflags VC_CMD(FLAGS, 1, 0)
++#define VCMD_set_cflags VC_CMD(FLAGS, 2, 0)
++
++struct vcmd_ctx_flags_v0 {
++ uint64_t flagword;
++ uint64_t mask;
++};
++
++#ifdef __KERNEL__
++extern int vc_get_cflags(struct vx_info *, void __user *);
++extern int vc_set_cflags(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++
++/* context caps commands */
++
++#define VCMD_get_ccaps VC_CMD(FLAGS, 3, 1)
++#define VCMD_set_ccaps VC_CMD(FLAGS, 4, 1)
++
++struct vcmd_ctx_caps_v1 {
++ uint64_t ccaps;
++ uint64_t cmask;
++};
++
++#ifdef __KERNEL__
++extern int vc_get_ccaps(struct vx_info *, void __user *);
++extern int vc_set_ccaps(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++
++/* bcaps commands */
++
++#define VCMD_get_bcaps VC_CMD(FLAGS, 9, 0)
++#define VCMD_set_bcaps VC_CMD(FLAGS, 10, 0)
++
++struct vcmd_bcaps {
++ uint64_t bcaps;
++ uint64_t bmask;
++};
++
++#ifdef __KERNEL__
++extern int vc_get_bcaps(struct vx_info *, void __user *);
++extern int vc_set_bcaps(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++
++/* umask commands */
++
++#define VCMD_get_umask VC_CMD(FLAGS, 13, 0)
++#define VCMD_set_umask VC_CMD(FLAGS, 14, 0)
++
++struct vcmd_umask {
++ uint64_t umask;
++ uint64_t mask;
++};
++
++#ifdef __KERNEL__
++extern int vc_get_umask(struct vx_info *, void __user *);
++extern int vc_set_umask(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++
++/* wmask commands */
++
++#define VCMD_get_wmask VC_CMD(FLAGS, 15, 0)
++#define VCMD_set_wmask VC_CMD(FLAGS, 16, 0)
++
++struct vcmd_wmask {
++ uint64_t wmask;
++ uint64_t mask;
++};
++
++#ifdef __KERNEL__
++extern int vc_get_wmask(struct vx_info *, void __user *);
++extern int vc_set_wmask(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++
++/* OOM badness */
++
++#define VCMD_get_badness VC_CMD(MEMCTRL, 5, 0)
++#define VCMD_set_badness VC_CMD(MEMCTRL, 6, 0)
++
++struct vcmd_badness_v0 {
++ int64_t bias;
++};
++
++#ifdef __KERNEL__
++extern int vc_get_badness(struct vx_info *, void __user *);
++extern int vc_set_badness(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++#endif /* _VX_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/cvirt.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/cvirt.h
+--- linux-3.4.45/include/linux/vserver/cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/cvirt.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,22 @@
++#ifndef _VX_CVIRT_H
++#define _VX_CVIRT_H
++
++
++#ifdef __KERNEL__
++
++struct timespec;
++
++void vx_vsi_boottime(struct timespec *);
++
++void vx_vsi_uptime(struct timespec *, struct timespec *);
++
++
++struct vx_info;
++
++void vx_update_load(struct vx_info *);
++
++
++int vx_do_syslog(int, char __user *, int);
++
++#endif /* __KERNEL__ */
++#endif /* _VX_CVIRT_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/cvirt_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/cvirt_cmd.h
+--- linux-3.4.45/include/linux/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/cvirt_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,53 @@
++#ifndef _VX_CVIRT_CMD_H
++#define _VX_CVIRT_CMD_H
++
++
++/* virtual host info name commands */
++
++#define VCMD_set_vhi_name VC_CMD(VHOST, 1, 0)
++#define VCMD_get_vhi_name VC_CMD(VHOST, 2, 0)
++
++struct vcmd_vhi_name_v0 {
++ uint32_t field;
++ char name[65];
++};
++
++
++enum vhi_name_field {
++ VHIN_CONTEXT = 0,
++ VHIN_SYSNAME,
++ VHIN_NODENAME,
++ VHIN_RELEASE,
++ VHIN_VERSION,
++ VHIN_MACHINE,
++ VHIN_DOMAINNAME,
++};
++
++
++#ifdef __KERNEL__
++
++#include <linux/compiler.h>
++
++extern int vc_set_vhi_name(struct vx_info *, void __user *);
++extern int vc_get_vhi_name(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++#define VCMD_virt_stat VC_CMD(VSTAT, 3, 0)
++
++struct vcmd_virt_stat_v0 {
++ uint64_t offset;
++ uint64_t uptime;
++ uint32_t nr_threads;
++ uint32_t nr_running;
++ uint32_t nr_uninterruptible;
++ uint32_t nr_onhold;
++ uint32_t nr_forks;
++ uint32_t load[3];
++};
++
++#ifdef __KERNEL__
++extern int vc_virt_stat(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++#endif /* _VX_CVIRT_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/cvirt_def.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/cvirt_def.h
+--- linux-3.4.45/include/linux/vserver/cvirt_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/cvirt_def.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,80 @@
++#ifndef _VX_CVIRT_DEF_H
++#define _VX_CVIRT_DEF_H
++
++#include <linux/jiffies.h>
++#include <linux/spinlock.h>
++#include <linux/wait.h>
++#include <linux/time.h>
++#include <asm/atomic.h>
++
++
++struct _vx_usage_stat {
++ uint64_t user;
++ uint64_t nice;
++ uint64_t system;
++ uint64_t softirq;
++ uint64_t irq;
++ uint64_t idle;
++ uint64_t iowait;
++};
++
++struct _vx_syslog {
++ wait_queue_head_t log_wait;
++ spinlock_t logbuf_lock; /* lock for the log buffer */
++
++ unsigned long log_start; /* next char to be read by syslog() */
++ unsigned long con_start; /* next char to be sent to consoles */
++ unsigned long log_end; /* most-recently-written-char + 1 */
++ unsigned long logged_chars; /* #chars since last read+clear operation */
++
++ char log_buf[1024];
++};
++
++
++/* context sub struct */
++
++struct _vx_cvirt {
++ atomic_t nr_threads; /* number of current threads */
++ atomic_t nr_running; /* number of running threads */
++ atomic_t nr_uninterruptible; /* number of uninterruptible threads */
++
++ atomic_t nr_onhold; /* processes on hold */
++ uint32_t onhold_last; /* jiffies when put on hold */
++
++ struct timespec bias_ts; /* time offset to the host */
++ struct timespec bias_idle;
++ struct timespec bias_uptime; /* context creation point */
++ uint64_t bias_clock; /* offset in clock_t */
++
++ spinlock_t load_lock; /* lock for the load averages */
++ atomic_t load_updates; /* nr of load updates done so far */
++ uint32_t load_last; /* last time load was calculated */
++ uint32_t load[3]; /* load averages 1,5,15 */
++
++ atomic_t total_forks; /* number of forks so far */
++
++ struct _vx_syslog syslog;
++};
++
++struct _vx_cvirt_pc {
++ struct _vx_usage_stat cpustat;
++};
++
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_cvirt(struct _vx_cvirt *cvirt)
++{
++ printk("\t_vx_cvirt:\n");
++ printk("\t threads: %4d, %4d, %4d, %4d\n",
++ atomic_read(&cvirt->nr_threads),
++ atomic_read(&cvirt->nr_running),
++ atomic_read(&cvirt->nr_uninterruptible),
++ atomic_read(&cvirt->nr_onhold));
++ /* add rest here */
++ printk("\t total_forks = %d\n", atomic_read(&cvirt->total_forks));
++}
++
++#endif
++
++#endif /* _VX_CVIRT_DEF_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/debug.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/debug.h
+--- linux-3.4.45/include/linux/vserver/debug.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/debug.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,145 @@
++#ifndef _VX_DEBUG_H
++#define _VX_DEBUG_H
++
++
++#define VXD_CBIT(n, m) (vs_debug_ ## n & (1 << (m)))
++#define VXD_CMIN(n, m) (vs_debug_ ## n > (m))
++#define VXD_MASK(n, m) (vs_debug_ ## n & (m))
++
++#define VXD_DEV(d) (d), (d)->bd_inode->i_ino, \
++ imajor((d)->bd_inode), iminor((d)->bd_inode)
++#define VXF_DEV "%p[%lu,%d:%d]"
++
++#if defined(CONFIG_QUOTES_UTF8)
++#define VS_Q_LQM "\xc2\xbb"
++#define VS_Q_RQM "\xc2\xab"
++#elif defined(CONFIG_QUOTES_ASCII)
++#define VS_Q_LQM "\x27"
++#define VS_Q_RQM "\x27"
++#else
++#define VS_Q_LQM "\xbb"
++#define VS_Q_RQM "\xab"
++#endif
++
++#define VS_Q(f) VS_Q_LQM f VS_Q_RQM
++
++
++#define vxd_path(p) \
++ ({ static char _buffer[PATH_MAX]; \
++ d_path(p, _buffer, sizeof(_buffer)); })
++
++#define vxd_cond_path(n) \
++ ((n) ? vxd_path(&(n)->path) : "<null>" )
++
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++extern unsigned int vs_debug_switch;
++extern unsigned int vs_debug_xid;
++extern unsigned int vs_debug_nid;
++extern unsigned int vs_debug_tag;
++extern unsigned int vs_debug_net;
++extern unsigned int vs_debug_limit;
++extern unsigned int vs_debug_cres;
++extern unsigned int vs_debug_dlim;
++extern unsigned int vs_debug_quota;
++extern unsigned int vs_debug_cvirt;
++extern unsigned int vs_debug_space;
++extern unsigned int vs_debug_perm;
++extern unsigned int vs_debug_misc;
++
++
++#define VX_LOGLEVEL "vxD: "
++#define VX_PROC_FMT "%p: "
++#define VX_PROCESS current
++
++#define vxdprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL VX_PROC_FMT f "\n", \
++ VX_PROCESS , ##x); \
++ } while (0)
++
++#define vxlprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " @%s:%d\n", x); \
++ } while (0)
++
++#define vxfprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
++ } while (0)
++
++
++struct vx_info;
++
++void dump_vx_info(struct vx_info *, int);
++void dump_vx_info_inactive(int);
++
++#else /* CONFIG_VSERVER_DEBUG */
++
++#define vs_debug_switch 0
++#define vs_debug_xid 0
++#define vs_debug_nid 0
++#define vs_debug_tag 0
++#define vs_debug_net 0
++#define vs_debug_limit 0
++#define vs_debug_cres 0
++#define vs_debug_dlim 0
++#define vs_debug_quota 0
++#define vs_debug_cvirt 0
++#define vs_debug_space 0
++#define vs_debug_perm 0
++#define vs_debug_misc 0
++
++#define vxdprintk(x...) do { } while (0)
++#define vxlprintk(x...) do { } while (0)
++#define vxfprintk(x...) do { } while (0)
++
++#endif /* CONFIG_VSERVER_DEBUG */
++
++
++#ifdef CONFIG_VSERVER_WARN
++
++#define VX_WARNLEVEL KERN_WARNING "vxW: "
++#define VX_WARN_TASK "[" VS_Q("%s") ",%u:#%u|%u|%u] "
++#define VX_WARN_XID "[xid #%u] "
++#define VX_WARN_NID "[nid #%u] "
++#define VX_WARN_TAG "[tag #%u] "
++
++#define vxwprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_WARNLEVEL f "\n", ##x); \
++ } while (0)
++
++#else /* CONFIG_VSERVER_WARN */
++
++#define vxwprintk(x...) do { } while (0)
++
++#endif /* CONFIG_VSERVER_WARN */
++
++#define vxwprintk_task(c, f, x...) \
++ vxwprintk(c, VX_WARN_TASK f, \
++ current->comm, current->pid, \
++ current->xid, current->nid, current->tag, ##x)
++#define vxwprintk_xid(c, f, x...) \
++ vxwprintk(c, VX_WARN_XID f, current->xid, x)
++#define vxwprintk_nid(c, f, x...) \
++ vxwprintk(c, VX_WARN_NID f, current->nid, x)
++#define vxwprintk_tag(c, f, x...) \
++ vxwprintk(c, VX_WARN_TAG f, current->tag, x)
++
++#ifdef CONFIG_VSERVER_DEBUG
++#define vxd_assert_lock(l) assert_spin_locked(l)
++#define vxd_assert(c, f, x...) vxlprintk(!(c), \
++ "assertion [" f "] failed.", ##x, __FILE__, __LINE__)
++#else
++#define vxd_assert_lock(l) do { } while (0)
++#define vxd_assert(c, f, x...) do { } while (0)
++#endif
++
++
++#endif /* _VX_DEBUG_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/debug_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/debug_cmd.h
+--- linux-3.4.45/include/linux/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/debug_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,58 @@
++#ifndef _VX_DEBUG_CMD_H
++#define _VX_DEBUG_CMD_H
++
++
++/* debug commands */
++
++#define VCMD_dump_history VC_CMD(DEBUG, 1, 0)
++
++#define VCMD_read_history VC_CMD(DEBUG, 5, 0)
++#define VCMD_read_monitor VC_CMD(DEBUG, 6, 0)
++
++struct vcmd_read_history_v0 {
++ uint32_t index;
++ uint32_t count;
++ char __user *data;
++};
++
++struct vcmd_read_monitor_v0 {
++ uint32_t index;
++ uint32_t count;
++ char __user *data;
++};
++
++
++#ifdef __KERNEL__
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_read_history_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
++};
++
++struct vcmd_read_monitor_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
++};
++
++#endif /* CONFIG_COMPAT */
++
++extern int vc_dump_history(uint32_t);
++
++extern int vc_read_history(uint32_t, void __user *);
++extern int vc_read_monitor(uint32_t, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_read_history_x32(uint32_t, void __user *);
++extern int vc_read_monitor_x32(uint32_t, void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* __KERNEL__ */
++#endif /* _VX_DEBUG_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/device.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/device.h
+--- linux-3.4.45/include/linux/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/device.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,15 @@
++#ifndef _VX_DEVICE_H
++#define _VX_DEVICE_H
++
++
++#define DATTR_CREATE 0x00000001
++#define DATTR_OPEN 0x00000002
++
++#define DATTR_REMAP 0x00000010
++
++#define DATTR_MASK 0x00000013
++
++
++#else /* _VX_DEVICE_H */
++#warning duplicate inclusion
++#endif /* _VX_DEVICE_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/device_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/device_cmd.h
+--- linux-3.4.45/include/linux/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/device_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,44 @@
++#ifndef _VX_DEVICE_CMD_H
++#define _VX_DEVICE_CMD_H
++
++
++/* device vserver commands */
++
++#define VCMD_set_mapping VC_CMD(DEVICE, 1, 0)
++#define VCMD_unset_mapping VC_CMD(DEVICE, 2, 0)
++
++struct vcmd_set_mapping_v0 {
++ const char __user *device;
++ const char __user *target;
++ uint32_t flags;
++};
++
++
++#ifdef __KERNEL__
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_set_mapping_v0_x32 {
++ compat_uptr_t device_ptr;
++ compat_uptr_t target_ptr;
++ uint32_t flags;
++};
++
++#endif /* CONFIG_COMPAT */
++
++#include <linux/compiler.h>
++
++extern int vc_set_mapping(struct vx_info *, void __user *);
++extern int vc_unset_mapping(struct vx_info *, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_set_mapping_x32(struct vx_info *, void __user *);
++extern int vc_unset_mapping_x32(struct vx_info *, void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* __KERNEL__ */
++#endif /* _VX_DEVICE_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/device_def.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/device_def.h
+--- linux-3.4.45/include/linux/vserver/device_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/device_def.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,17 @@
++#ifndef _VX_DEVICE_DEF_H
++#define _VX_DEVICE_DEF_H
++
++#include <linux/types.h>
++
++struct vx_dmap_target {
++ dev_t target;
++ uint32_t flags;
++};
++
++struct _vx_device {
++#ifdef CONFIG_VSERVER_DEVICE
++ struct vx_dmap_target targets[2];
++#endif
++};
++
++#endif /* _VX_DEVICE_DEF_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/dlimit.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/dlimit.h
+--- linux-3.4.45/include/linux/vserver/dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/dlimit.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,54 @@
++#ifndef _VX_DLIMIT_H
++#define _VX_DLIMIT_H
++
++#include "switch.h"
++
++
++#ifdef __KERNEL__
++
++/* keep in sync with CDLIM_INFINITY */
++
++#define DLIM_INFINITY (~0ULL)
++
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++
++struct super_block;
++
++struct dl_info {
++ struct hlist_node dl_hlist; /* linked list of contexts */
++ struct rcu_head dl_rcu; /* the rcu head */
++ tag_t dl_tag; /* context tag */
++ atomic_t dl_usecnt; /* usage count */
++ atomic_t dl_refcnt; /* reference count */
++
++ struct super_block *dl_sb; /* associated superblock */
++
++ spinlock_t dl_lock; /* protect the values */
++
++ unsigned long long dl_space_used; /* used space in bytes */
++ unsigned long long dl_space_total; /* maximum space in bytes */
++ unsigned long dl_inodes_used; /* used inodes */
++ unsigned long dl_inodes_total; /* maximum inodes */
++
++ unsigned int dl_nrlmult; /* non root limit mult */
++};
++
++struct rcu_head;
++
++extern void rcu_free_dl_info(struct rcu_head *);
++extern void unhash_dl_info(struct dl_info *);
++
++extern struct dl_info *locate_dl_info(struct super_block *, tag_t);
++
++
++struct kstatfs;
++
++extern void vx_vsi_statfs(struct super_block *, struct kstatfs *);
++
++typedef uint64_t dlsize_t;
++
++#endif /* __KERNEL__ */
++#else /* _VX_DLIMIT_H */
++#warning duplicate inclusion
++#endif /* _VX_DLIMIT_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/dlimit_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/dlimit_cmd.h
+--- linux-3.4.45/include/linux/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/dlimit_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,109 @@
++#ifndef _VX_DLIMIT_CMD_H
++#define _VX_DLIMIT_CMD_H
++
++
++/* dlimit vserver commands */
++
++#define VCMD_add_dlimit VC_CMD(DLIMIT, 1, 0)
++#define VCMD_rem_dlimit VC_CMD(DLIMIT, 2, 0)
++
++#define VCMD_set_dlimit VC_CMD(DLIMIT, 5, 0)
++#define VCMD_get_dlimit VC_CMD(DLIMIT, 6, 0)
++
++struct vcmd_ctx_dlimit_base_v0 {
++ const char __user *name;
++ uint32_t flags;
++};
++
++struct vcmd_ctx_dlimit_v0 {
++ const char __user *name;
++ uint32_t space_used; /* used space in kbytes */
++ uint32_t space_total; /* maximum space in kbytes */
++ uint32_t inodes_used; /* used inodes */
++ uint32_t inodes_total; /* maximum inodes */
++ uint32_t reserved; /* reserved for root in % */
++ uint32_t flags;
++};
++
++#define CDLIM_UNSET ((uint32_t)0UL)
++#define CDLIM_INFINITY ((uint32_t)~0UL)
++#define CDLIM_KEEP ((uint32_t)~1UL)
++
++#define DLIME_UNIT 0
++#define DLIME_KILO 1
++#define DLIME_MEGA 2
++#define DLIME_GIGA 3
++
++#define DLIMF_SHIFT 0x10
++
++#define DLIMS_USED 0
++#define DLIMS_TOTAL 2
++
++static inline
++uint64_t dlimit_space_32to64(uint32_t val, uint32_t flags, int shift)
++{
++ int exp = (flags & DLIMF_SHIFT) ?
++ (flags >> shift) & DLIME_GIGA : DLIME_KILO;
++ return ((uint64_t)val) << (10 * exp);
++}
++
++static inline
++uint32_t dlimit_space_64to32(uint64_t val, uint32_t *flags, int shift)
++{
++ int exp = 0;
++
++ if (*flags & DLIMF_SHIFT) {
++ while (val > (1LL << 32) && (exp < 3)) {
++ val >>= 10;
++ exp++;
++ }
++ *flags &= ~(DLIME_GIGA << shift);
++ *flags |= exp << shift;
++ } else
++ val >>= 10;
++ return val;
++}
++
++#ifdef __KERNEL__
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_ctx_dlimit_base_v0_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t flags;
++};
++
++struct vcmd_ctx_dlimit_v0_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t space_used; /* used space in kbytes */
++ uint32_t space_total; /* maximum space in kbytes */
++ uint32_t inodes_used; /* used inodes */
++ uint32_t inodes_total; /* maximum inodes */
++ uint32_t reserved; /* reserved for root in % */
++ uint32_t flags;
++};
++
++#endif /* CONFIG_COMPAT */
++
++#include <linux/compiler.h>
++
++extern int vc_add_dlimit(uint32_t, void __user *);
++extern int vc_rem_dlimit(uint32_t, void __user *);
++
++extern int vc_set_dlimit(uint32_t, void __user *);
++extern int vc_get_dlimit(uint32_t, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_add_dlimit_x32(uint32_t, void __user *);
++extern int vc_rem_dlimit_x32(uint32_t, void __user *);
++
++extern int vc_set_dlimit_x32(uint32_t, void __user *);
++extern int vc_get_dlimit_x32(uint32_t, void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* __KERNEL__ */
++#endif /* _VX_DLIMIT_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/global.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/global.h
+--- linux-3.4.45/include/linux/vserver/global.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/global.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VX_GLOBAL_H
++#define _VX_GLOBAL_H
++
++
++extern atomic_t vx_global_ctotal;
++extern atomic_t vx_global_cactive;
++
++extern atomic_t nx_global_ctotal;
++extern atomic_t nx_global_cactive;
++
++extern atomic_t vs_global_nsproxy;
++extern atomic_t vs_global_fs;
++extern atomic_t vs_global_mnt_ns;
++extern atomic_t vs_global_uts_ns;
++extern atomic_t vs_global_user_ns;
++extern atomic_t vs_global_pid_ns;
++
++
++#endif /* _VX_GLOBAL_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/history.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/history.h
+--- linux-3.4.45/include/linux/vserver/history.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/history.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,197 @@
++#ifndef _VX_HISTORY_H
++#define _VX_HISTORY_H
++
++
++enum {
++ VXH_UNUSED = 0,
++ VXH_THROW_OOPS = 1,
++
++ VXH_GET_VX_INFO,
++ VXH_PUT_VX_INFO,
++ VXH_INIT_VX_INFO,
++ VXH_SET_VX_INFO,
++ VXH_CLR_VX_INFO,
++ VXH_CLAIM_VX_INFO,
++ VXH_RELEASE_VX_INFO,
++ VXH_ALLOC_VX_INFO,
++ VXH_DEALLOC_VX_INFO,
++ VXH_HASH_VX_INFO,
++ VXH_UNHASH_VX_INFO,
++ VXH_LOC_VX_INFO,
++ VXH_LOOKUP_VX_INFO,
++ VXH_CREATE_VX_INFO,
++};
++
++struct _vxhe_vxi {
++ struct vx_info *ptr;
++ unsigned xid;
++ unsigned usecnt;
++ unsigned tasks;
++};
++
++struct _vxhe_set_clr {
++ void *data;
++};
++
++struct _vxhe_loc_lookup {
++ unsigned arg;
++};
++
++struct _vx_hist_entry {
++ void *loc;
++ unsigned short seq;
++ unsigned short type;
++ struct _vxhe_vxi vxi;
++ union {
++ struct _vxhe_set_clr sc;
++ struct _vxhe_loc_lookup ll;
++ };
++};
++
++#ifdef CONFIG_VSERVER_HISTORY
++
++extern unsigned volatile int vxh_active;
++
++struct _vx_hist_entry *vxh_advance(void *loc);
++
++
++static inline
++void __vxh_copy_vxi(struct _vx_hist_entry *entry, struct vx_info *vxi)
++{
++ entry->vxi.ptr = vxi;
++ if (vxi) {
++ entry->vxi.usecnt = atomic_read(&vxi->vx_usecnt);
++ entry->vxi.tasks = atomic_read(&vxi->vx_tasks);
++ entry->vxi.xid = vxi->vx_id;
++ }
++}
++
++
++#define __HERE__ current_text_addr()
++
++#define __VXH_BODY(__type, __data, __here) \
++ struct _vx_hist_entry *entry; \
++ \
++ preempt_disable(); \
++ entry = vxh_advance(__here); \
++ __data; \
++ entry->type = __type; \
++ preempt_enable();
++
++
++ /* pass vxi only */
++
++#define __VXH_SMPL \
++ __vxh_copy_vxi(entry, vxi)
++
++static inline
++void __vxh_smpl(struct vx_info *vxi, int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_SMPL, __here)
++}
++
++ /* pass vxi and data (void *) */
++
++#define __VXH_DATA \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->sc.data = data
++
++static inline
++void __vxh_data(struct vx_info *vxi, void *data,
++ int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_DATA, __here)
++}
++
++ /* pass vxi and arg (long) */
++
++#define __VXH_LONG \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->ll.arg = arg
++
++static inline
++void __vxh_long(struct vx_info *vxi, long arg,
++ int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_LONG, __here)
++}
++
++
++static inline
++void __vxh_throw_oops(void *__here)
++{
++ __VXH_BODY(VXH_THROW_OOPS, {}, __here);
++ /* prevent further acquisition */
++ vxh_active = 0;
++}
++
++
++#define vxh_throw_oops() __vxh_throw_oops(__HERE__);
++
++#define __vxh_get_vx_info(v, h) __vxh_smpl(v, VXH_GET_VX_INFO, h);
++#define __vxh_put_vx_info(v, h) __vxh_smpl(v, VXH_PUT_VX_INFO, h);
++
++#define __vxh_init_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_INIT_VX_INFO, h);
++#define __vxh_set_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_SET_VX_INFO, h);
++#define __vxh_clr_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_CLR_VX_INFO, h);
++
++#define __vxh_claim_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_CLAIM_VX_INFO, h);
++#define __vxh_release_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_RELEASE_VX_INFO, h);
++
++#define vxh_alloc_vx_info(v) \
++ __vxh_smpl(v, VXH_ALLOC_VX_INFO, __HERE__);
++#define vxh_dealloc_vx_info(v) \
++ __vxh_smpl(v, VXH_DEALLOC_VX_INFO, __HERE__);
++
++#define vxh_hash_vx_info(v) \
++ __vxh_smpl(v, VXH_HASH_VX_INFO, __HERE__);
++#define vxh_unhash_vx_info(v) \
++ __vxh_smpl(v, VXH_UNHASH_VX_INFO, __HERE__);
++
++#define vxh_loc_vx_info(v, l) \
++ __vxh_long(v, l, VXH_LOC_VX_INFO, __HERE__);
++#define vxh_lookup_vx_info(v, l) \
++ __vxh_long(v, l, VXH_LOOKUP_VX_INFO, __HERE__);
++#define vxh_create_vx_info(v, l) \
++ __vxh_long(v, l, VXH_CREATE_VX_INFO, __HERE__);
++
++extern void vxh_dump_history(void);
++
++
++#else /* CONFIG_VSERVER_HISTORY */
++
++#define __HERE__ 0
++
++#define vxh_throw_oops() do { } while (0)
++
++#define __vxh_get_vx_info(v, h) do { } while (0)
++#define __vxh_put_vx_info(v, h) do { } while (0)
++
++#define __vxh_init_vx_info(v, d, h) do { } while (0)
++#define __vxh_set_vx_info(v, d, h) do { } while (0)
++#define __vxh_clr_vx_info(v, d, h) do { } while (0)
++
++#define __vxh_claim_vx_info(v, d, h) do { } while (0)
++#define __vxh_release_vx_info(v, d, h) do { } while (0)
++
++#define vxh_alloc_vx_info(v) do { } while (0)
++#define vxh_dealloc_vx_info(v) do { } while (0)
++
++#define vxh_hash_vx_info(v) do { } while (0)
++#define vxh_unhash_vx_info(v) do { } while (0)
++
++#define vxh_loc_vx_info(v, l) do { } while (0)
++#define vxh_lookup_vx_info(v, l) do { } while (0)
++#define vxh_create_vx_info(v, l) do { } while (0)
++
++#define vxh_dump_history() do { } while (0)
++
++
++#endif /* CONFIG_VSERVER_HISTORY */
++
++#endif /* _VX_HISTORY_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/inode.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/inode.h
+--- linux-3.4.45/include/linux/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/inode.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,39 @@
++#ifndef _VX_INODE_H
++#define _VX_INODE_H
++
++
++#define IATTR_TAG 0x01000000
++
++#define IATTR_ADMIN 0x00000001
++#define IATTR_WATCH 0x00000002
++#define IATTR_HIDE 0x00000004
++#define IATTR_FLAGS 0x00000007
++
++#define IATTR_BARRIER 0x00010000
++#define IATTR_IXUNLINK 0x00020000
++#define IATTR_IMMUTABLE 0x00040000
++#define IATTR_COW 0x00080000
++
++#ifdef __KERNEL__
++
++
++#ifdef CONFIG_VSERVER_PROC_SECURE
++#define IATTR_PROC_DEFAULT ( IATTR_ADMIN | IATTR_HIDE )
++#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
++#else
++#define IATTR_PROC_DEFAULT ( IATTR_ADMIN )
++#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
++#endif
++
++#define vx_hide_check(c, m) (((m) & IATTR_HIDE) ? vx_check(c, m) : 1)
++
++#endif /* __KERNEL__ */
++
++/* inode ioctls */
++
++#define FIOC_GETXFLG _IOR('x', 5, long)
++#define FIOC_SETXFLG _IOW('x', 6, long)
++
++#else /* _VX_INODE_H */
++#warning duplicate inclusion
++#endif /* _VX_INODE_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/inode_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/inode_cmd.h
+--- linux-3.4.45/include/linux/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/inode_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,59 @@
++#ifndef _VX_INODE_CMD_H
++#define _VX_INODE_CMD_H
++
++
++/* inode vserver commands */
++
++#define VCMD_get_iattr VC_CMD(INODE, 1, 1)
++#define VCMD_set_iattr VC_CMD(INODE, 2, 1)
++
++#define VCMD_fget_iattr VC_CMD(INODE, 3, 0)
++#define VCMD_fset_iattr VC_CMD(INODE, 4, 0)
++
++struct vcmd_ctx_iattr_v1 {
++ const char __user *name;
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
++
++struct vcmd_ctx_fiattr_v0 {
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
++
++
++#ifdef __KERNEL__
++
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_ctx_iattr_v1_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
++
++#endif /* CONFIG_COMPAT */
++
++#include <linux/compiler.h>
++
++extern int vc_get_iattr(void __user *);
++extern int vc_set_iattr(void __user *);
++
++extern int vc_fget_iattr(uint32_t, void __user *);
++extern int vc_fset_iattr(uint32_t, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_get_iattr_x32(void __user *);
++extern int vc_set_iattr_x32(void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* __KERNEL__ */
++#endif /* _VX_INODE_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/limit.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/limit.h
+--- linux-3.4.45/include/linux/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/limit.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,71 @@
++#ifndef _VX_LIMIT_H
++#define _VX_LIMIT_H
++
++#define VLIMIT_NSOCK 16
++#define VLIMIT_OPENFD 17
++#define VLIMIT_ANON 18
++#define VLIMIT_SHMEM 19
++#define VLIMIT_SEMARY 20
++#define VLIMIT_NSEMS 21
++#define VLIMIT_DENTRY 22
++#define VLIMIT_MAPPED 23
++
++
++#ifdef __KERNEL__
++
++#define VLIM_NOCHECK ((1L << VLIMIT_DENTRY) | (1L << RLIMIT_RSS))
++
++/* keep in sync with CRLIM_INFINITY */
++
++#define VLIM_INFINITY (~0ULL)
++
++#include <asm/atomic.h>
++#include <asm/resource.h>
++
++#ifndef RLIM_INFINITY
++#warning RLIM_INFINITY is undefined
++#endif
++
++#define __rlim_val(l, r, v) ((l)->res[r].v)
++
++#define __rlim_soft(l, r) __rlim_val(l, r, soft)
++#define __rlim_hard(l, r) __rlim_val(l, r, hard)
++
++#define __rlim_rcur(l, r) __rlim_val(l, r, rcur)
++#define __rlim_rmin(l, r) __rlim_val(l, r, rmin)
++#define __rlim_rmax(l, r) __rlim_val(l, r, rmax)
++
++#define __rlim_lhit(l, r) __rlim_val(l, r, lhit)
++#define __rlim_hit(l, r) atomic_inc(&__rlim_lhit(l, r))
++
++typedef atomic_long_t rlim_atomic_t;
++typedef unsigned long rlim_t;
++
++#define __rlim_get(l, r) atomic_long_read(&__rlim_rcur(l, r))
++#define __rlim_set(l, r, v) atomic_long_set(&__rlim_rcur(l, r), v)
++#define __rlim_inc(l, r) atomic_long_inc(&__rlim_rcur(l, r))
++#define __rlim_dec(l, r) atomic_long_dec(&__rlim_rcur(l, r))
++#define __rlim_add(l, r, v) atomic_long_add(v, &__rlim_rcur(l, r))
++#define __rlim_sub(l, r, v) atomic_long_sub(v, &__rlim_rcur(l, r))
++
++
++#if (RLIM_INFINITY == VLIM_INFINITY)
++#define VX_VLIM(r) ((long long)(long)(r))
++#define VX_RLIM(v) ((rlim_t)(v))
++#else
++#define VX_VLIM(r) (((r) == RLIM_INFINITY) \
++ ? VLIM_INFINITY : (long long)(r))
++#define VX_RLIM(v) (((v) == VLIM_INFINITY) \
++ ? RLIM_INFINITY : (rlim_t)(v))
++#endif
++
++struct sysinfo;
++
++void vx_vsi_meminfo(struct sysinfo *);
++void vx_vsi_swapinfo(struct sysinfo *);
++long vx_vsi_cached(struct sysinfo *);
++
++#define NUM_LIMITS 24
++
++#endif /* __KERNEL__ */
++#endif /* _VX_LIMIT_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/limit_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/limit_cmd.h
+--- linux-3.4.45/include/linux/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/limit_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,71 @@
++#ifndef _VX_LIMIT_CMD_H
++#define _VX_LIMIT_CMD_H
++
++
++/* rlimit vserver commands */
++
++#define VCMD_get_rlimit VC_CMD(RLIMIT, 1, 0)
++#define VCMD_set_rlimit VC_CMD(RLIMIT, 2, 0)
++#define VCMD_get_rlimit_mask VC_CMD(RLIMIT, 3, 0)
++#define VCMD_reset_hits VC_CMD(RLIMIT, 7, 0)
++#define VCMD_reset_minmax VC_CMD(RLIMIT, 9, 0)
++
++struct vcmd_ctx_rlimit_v0 {
++ uint32_t id;
++ uint64_t minimum;
++ uint64_t softlimit;
++ uint64_t maximum;
++};
++
++struct vcmd_ctx_rlimit_mask_v0 {
++ uint32_t minimum;
++ uint32_t softlimit;
++ uint32_t maximum;
++};
++
++#define VCMD_rlimit_stat VC_CMD(VSTAT, 1, 0)
++
++struct vcmd_rlimit_stat_v0 {
++ uint32_t id;
++ uint32_t hits;
++ uint64_t value;
++ uint64_t minimum;
++ uint64_t maximum;
++};
++
++#define CRLIM_UNSET (0ULL)
++#define CRLIM_INFINITY (~0ULL)
++#define CRLIM_KEEP (~1ULL)
++
++#ifdef __KERNEL__
++
++#ifdef CONFIG_IA32_EMULATION
++
++struct vcmd_ctx_rlimit_v0_x32 {
++ uint32_t id;
++ uint64_t minimum;
++ uint64_t softlimit;
++ uint64_t maximum;
++} __attribute__ ((packed));
++
++#endif /* CONFIG_IA32_EMULATION */
++
++#include <linux/compiler.h>
++
++extern int vc_get_rlimit_mask(uint32_t, void __user *);
++extern int vc_get_rlimit(struct vx_info *, void __user *);
++extern int vc_set_rlimit(struct vx_info *, void __user *);
++extern int vc_reset_hits(struct vx_info *, void __user *);
++extern int vc_reset_minmax(struct vx_info *, void __user *);
++
++extern int vc_rlimit_stat(struct vx_info *, void __user *);
++
++#ifdef CONFIG_IA32_EMULATION
++
++extern int vc_get_rlimit_x32(struct vx_info *, void __user *);
++extern int vc_set_rlimit_x32(struct vx_info *, void __user *);
++
++#endif /* CONFIG_IA32_EMULATION */
++
++#endif /* __KERNEL__ */
++#endif /* _VX_LIMIT_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/limit_def.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/limit_def.h
+--- linux-3.4.45/include/linux/vserver/limit_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/limit_def.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VX_LIMIT_DEF_H
++#define _VX_LIMIT_DEF_H
++
++#include <asm/atomic.h>
++#include <asm/resource.h>
++
++#include "limit.h"
++
++
++struct _vx_res_limit {
++ rlim_t soft; /* Context soft limit */
++ rlim_t hard; /* Context hard limit */
++
++ rlim_atomic_t rcur; /* Current value */
++ rlim_t rmin; /* Context minimum */
++ rlim_t rmax; /* Context maximum */
++
++ atomic_t lhit; /* Limit hits */
++};
++
++/* context sub struct */
++
++struct _vx_limit {
++ struct _vx_res_limit res[NUM_LIMITS];
++};
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_limit(struct _vx_limit *limit)
++{
++ int i;
++
++ printk("\t_vx_limit:");
++ for (i = 0; i < NUM_LIMITS; i++) {
++ printk("\t [%2d] = %8lu %8lu/%8lu, %8ld/%8ld, %8d\n",
++ i, (unsigned long)__rlim_get(limit, i),
++ (unsigned long)__rlim_rmin(limit, i),
++ (unsigned long)__rlim_rmax(limit, i),
++ (long)__rlim_soft(limit, i),
++ (long)__rlim_hard(limit, i),
++ atomic_read(&__rlim_lhit(limit, i)));
++ }
++}
++
++#endif
++
++#endif /* _VX_LIMIT_DEF_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/limit_int.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/limit_int.h
+--- linux-3.4.45/include/linux/vserver/limit_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/limit_int.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,198 @@
++#ifndef _VX_LIMIT_INT_H
++#define _VX_LIMIT_INT_H
++
++#include "context.h"
++
++#ifdef __KERNEL__
++
++#define VXD_RCRES_COND(r) VXD_CBIT(cres, r)
++#define VXD_RLIMIT_COND(r) VXD_CBIT(limit, r)
++
++extern const char *vlimit_name[NUM_LIMITS];
++
++static inline void __vx_acc_cres(struct vx_info *vxi,
++ int res, int dir, void *_data, char *_file, int _line)
++{
++ if (VXD_RCRES_COND(res))
++ vxlprintk(1, "vx_acc_cres[%5d,%s,%2d]: %5ld%s (%p)",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ (dir > 0) ? "++" : "--", _data, _file, _line);
++ if (!vxi)
++ return;
++
++ if (dir > 0)
++ __rlim_inc(&vxi->limit, res);
++ else
++ __rlim_dec(&vxi->limit, res);
++}
++
++static inline void __vx_add_cres(struct vx_info *vxi,
++ int res, int amount, void *_data, char *_file, int _line)
++{
++ if (VXD_RCRES_COND(res))
++ vxlprintk(1, "vx_add_cres[%5d,%s,%2d]: %5ld += %5d (%p)",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ amount, _data, _file, _line);
++ if (amount == 0)
++ return;
++ if (!vxi)
++ return;
++ __rlim_add(&vxi->limit, res, amount);
++}
++
++static inline
++int __vx_cres_adjust_max(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value > __rlim_rmax(limit, res));
++
++ if (cond)
++ __rlim_rmax(limit, res) = value;
++ return cond;
++}
++
++static inline
++int __vx_cres_adjust_min(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value < __rlim_rmin(limit, res));
++
++ if (cond)
++ __rlim_rmin(limit, res) = value;
++ return cond;
++}
++
++static inline
++void __vx_cres_fixup(struct _vx_limit *limit, int res, rlim_t value)
++{
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++}
++
++
++/* return values:
++ +1 ... no limit hit
++ -1 ... over soft limit
++ 0 ... over hard limit */
++
++static inline int __vx_cres_avail(struct vx_info *vxi,
++ int res, int num, char *_file, int _line)
++{
++ struct _vx_limit *limit;
++ rlim_t value;
++
++ if (VXD_RLIMIT_COND(res))
++ vxlprintk(1, "vx_cres_avail[%5d,%s,%2d]: %5ld/%5ld > %5ld + %5d",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_soft(&vxi->limit, res) : -1),
++ (vxi ? (long)__rlim_hard(&vxi->limit, res) : -1),
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ num, _file, _line);
++ if (!vxi)
++ return 1;
++
++ limit = &vxi->limit;
++ value = __rlim_get(limit, res);
++
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++
++ if (num == 0)
++ return 1;
++
++ if (__rlim_soft(limit, res) == RLIM_INFINITY)
++ return -1;
++ if (value + num <= __rlim_soft(limit, res))
++ return -1;
++
++ if (__rlim_hard(limit, res) == RLIM_INFINITY)
++ return 1;
++ if (value + num <= __rlim_hard(limit, res))
++ return 1;
++
++ __rlim_hit(limit, res);
++ return 0;
++}
++
++
++static const int VLA_RSS[] = { RLIMIT_RSS, VLIMIT_ANON, VLIMIT_MAPPED, 0 };
++
++static inline
++rlim_t __vx_cres_array_sum(struct _vx_limit *limit, const int *array)
++{
++ rlim_t value, sum = 0;
++ int res;
++
++ while ((res = *array++)) {
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
++ sum += value;
++ }
++ return sum;
++}
++
++static inline
++rlim_t __vx_cres_array_fixup(struct _vx_limit *limit, const int *array)
++{
++ rlim_t value = __vx_cres_array_sum(limit, array + 1);
++ int res = *array;
++
++ if (value == __rlim_get(limit, res))
++ return value;
++
++ __rlim_set(limit, res, value);
++ /* now adjust min/max */
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++
++ return value;
++}
++
++static inline int __vx_cres_array_avail(struct vx_info *vxi,
++ const int *array, int num, char *_file, int _line)
++{
++ struct _vx_limit *limit;
++ rlim_t value = 0;
++ int res;
++
++ if (num == 0)
++ return 1;
++ if (!vxi)
++ return 1;
++
++ limit = &vxi->limit;
++ res = *array;
++ value = __vx_cres_array_sum(limit, array + 1);
++
++ __rlim_set(limit, res, value);
++ __vx_cres_fixup(limit, res, value);
++
++ return __vx_cres_avail(vxi, res, num, _file, _line);
++}
++
++
++static inline void vx_limit_fixup(struct _vx_limit *limit, int id)
++{
++ rlim_t value;
++ int res;
++
++ /* complex resources first */
++ if ((id < 0) || (id == RLIMIT_RSS))
++ __vx_cres_array_fixup(limit, VLA_RSS);
++
++ for (res = 0; res < NUM_LIMITS; res++) {
++ if ((id > 0) && (res != id))
++ continue;
++
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
++
++ /* not supposed to happen, maybe warn? */
++ if (__rlim_rmax(limit, res) > __rlim_hard(limit, res))
++ __rlim_rmax(limit, res) = __rlim_hard(limit, res);
++ }
++}
++
++
++#endif /* __KERNEL__ */
++#endif /* _VX_LIMIT_INT_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/monitor.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/monitor.h
+--- linux-3.4.45/include/linux/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/monitor.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,96 @@
++#ifndef _VX_MONITOR_H
++#define _VX_MONITOR_H
++
++#include <linux/types.h>
++
++enum {
++ VXM_UNUSED = 0,
++
++ VXM_SYNC = 0x10,
++
++ VXM_UPDATE = 0x20,
++ VXM_UPDATE_1,
++ VXM_UPDATE_2,
++
++ VXM_RQINFO_1 = 0x24,
++ VXM_RQINFO_2,
++
++ VXM_ACTIVATE = 0x40,
++ VXM_DEACTIVATE,
++ VXM_IDLE,
++
++ VXM_HOLD = 0x44,
++ VXM_UNHOLD,
++
++ VXM_MIGRATE = 0x48,
++ VXM_RESCHED,
++
++ /* all other bits are flags */
++ VXM_SCHED = 0x80,
++};
++
++struct _vxm_update_1 {
++ uint32_t tokens_max;
++ uint32_t fill_rate;
++ uint32_t interval;
++};
++
++struct _vxm_update_2 {
++ uint32_t tokens_min;
++ uint32_t fill_rate;
++ uint32_t interval;
++};
++
++struct _vxm_rqinfo_1 {
++ uint16_t running;
++ uint16_t onhold;
++ uint16_t iowait;
++ uint16_t uintr;
++ uint32_t idle_tokens;
++};
++
++struct _vxm_rqinfo_2 {
++ uint32_t norm_time;
++ uint32_t idle_time;
++ uint32_t idle_skip;
++};
++
++struct _vxm_sched {
++ uint32_t tokens;
++ uint32_t norm_time;
++ uint32_t idle_time;
++};
++
++struct _vxm_task {
++ uint16_t pid;
++ uint16_t state;
++};
++
++struct _vxm_event {
++ uint32_t jif;
++ union {
++ uint32_t seq;
++ uint32_t sec;
++ };
++ union {
++ uint32_t tokens;
++ uint32_t nsec;
++ struct _vxm_task tsk;
++ };
++};
++
++struct _vx_mon_entry {
++ uint16_t type;
++ uint16_t xid;
++ union {
++ struct _vxm_event ev;
++ struct _vxm_sched sd;
++ struct _vxm_update_1 u1;
++ struct _vxm_update_2 u2;
++ struct _vxm_rqinfo_1 q1;
++ struct _vxm_rqinfo_2 q2;
++ };
++};
++
++
++#endif /* _VX_MONITOR_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/network.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/network.h
+--- linux-3.4.45/include/linux/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/network.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,148 @@
++#ifndef _VX_NETWORK_H
++#define _VX_NETWORK_H
++
++#include <linux/types.h>
++
++
++#define MAX_N_CONTEXT 65535 /* Arbitrary limit */
++
++
++/* network flags */
++
++#define NXF_INFO_PRIVATE 0x00000008
++
++#define NXF_SINGLE_IP 0x00000100
++#define NXF_LBACK_REMAP 0x00000200
++#define NXF_LBACK_ALLOW 0x00000400
++
++#define NXF_HIDE_NETIF 0x02000000
++#define NXF_HIDE_LBACK 0x04000000
++
++#define NXF_STATE_SETUP (1ULL << 32)
++#define NXF_STATE_ADMIN (1ULL << 34)
++
++#define NXF_SC_HELPER (1ULL << 36)
++#define NXF_PERSISTENT (1ULL << 38)
++
++#define NXF_ONE_TIME (0x0005ULL << 32)
++
++
++#define NXF_INIT_SET (__nxf_init_set())
++
++static inline uint64_t __nxf_init_set(void) {
++ return NXF_STATE_ADMIN
++#ifdef CONFIG_VSERVER_AUTO_LBACK
++ | NXF_LBACK_REMAP
++ | NXF_HIDE_LBACK
++#endif
++#ifdef CONFIG_VSERVER_AUTO_SINGLE
++ | NXF_SINGLE_IP
++#endif
++ | NXF_HIDE_NETIF;
++}
++
++
++/* network caps */
++
++#define NXC_TUN_CREATE 0x00000001
++
++#define NXC_RAW_ICMP 0x00000100
++
++#define NXC_MULTICAST 0x00001000
++
++
++/* address types */
++
++#define NXA_TYPE_IPV4 0x0001
++#define NXA_TYPE_IPV6 0x0002
++
++#define NXA_TYPE_NONE 0x0000
++#define NXA_TYPE_ANY 0x00FF
++
++#define NXA_TYPE_ADDR 0x0010
++#define NXA_TYPE_MASK 0x0020
++#define NXA_TYPE_RANGE 0x0040
++
++#define NXA_MASK_ALL (NXA_TYPE_ADDR | NXA_TYPE_MASK | NXA_TYPE_RANGE)
++
++#define NXA_MOD_BCAST 0x0100
++#define NXA_MOD_LBACK 0x0200
++
++#define NXA_LOOPBACK 0x1000
++
++#define NXA_MASK_BIND (NXA_MASK_ALL | NXA_MOD_BCAST | NXA_MOD_LBACK)
++#define NXA_MASK_SHOW (NXA_MASK_ALL | NXA_LOOPBACK)
++
++#ifdef __KERNEL__
++
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++#include <linux/in.h>
++#include <linux/in6.h>
++#include <asm/atomic.h>
++
++struct nx_addr_v4 {
++ struct nx_addr_v4 *next;
++ struct in_addr ip[2];
++ struct in_addr mask;
++ uint16_t type;
++ uint16_t flags;
++};
++
++struct nx_addr_v6 {
++ struct nx_addr_v6 *next;
++ struct in6_addr ip;
++ struct in6_addr mask;
++ uint32_t prefix;
++ uint16_t type;
++ uint16_t flags;
++};
++
++struct nx_info {
++ struct hlist_node nx_hlist; /* linked list of nxinfos */
++ nid_t nx_id; /* vnet id */
++ atomic_t nx_usecnt; /* usage count */
++ atomic_t nx_tasks; /* tasks count */
++ int nx_state; /* context state */
++
++ uint64_t nx_flags; /* network flag word */
++ uint64_t nx_ncaps; /* network capabilities */
++
++ struct in_addr v4_lback; /* Loopback address */
++ struct in_addr v4_bcast; /* Broadcast address */
++ struct nx_addr_v4 v4; /* First/Single ipv4 address */
++#ifdef CONFIG_IPV6
++ struct nx_addr_v6 v6; /* First/Single ipv6 address */
++#endif
++ char nx_name[65]; /* network context name */
++};
++
++
++/* status flags */
++
++#define NXS_HASHED 0x0001
++#define NXS_SHUTDOWN 0x0100
++#define NXS_RELEASED 0x8000
++
++extern struct nx_info *lookup_nx_info(int);
++
++extern int get_nid_list(int, unsigned int *, int);
++extern int nid_is_hashed(nid_t);
++
++extern int nx_migrate_task(struct task_struct *, struct nx_info *);
++
++extern long vs_net_change(struct nx_info *, unsigned int);
++
++struct sock;
++
++
++#define NX_IPV4(n) ((n)->v4.type != NXA_TYPE_NONE)
++#ifdef CONFIG_IPV6
++#define NX_IPV6(n) ((n)->v6.type != NXA_TYPE_NONE)
++#else
++#define NX_IPV6(n) (0)
++#endif
++
++#endif /* __KERNEL__ */
++#endif /* _VX_NETWORK_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/network_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/network_cmd.h
+--- linux-3.4.45/include/linux/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/network_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,164 @@
++#ifndef _VX_NETWORK_CMD_H
++#define _VX_NETWORK_CMD_H
++
++
++/* vinfo commands */
++
++#define VCMD_task_nid VC_CMD(VINFO, 2, 0)
++
++#ifdef __KERNEL__
++extern int vc_task_nid(uint32_t);
++
++#endif /* __KERNEL__ */
++
++#define VCMD_nx_info VC_CMD(VINFO, 6, 0)
++
++struct vcmd_nx_info_v0 {
++ uint32_t nid;
++ /* more to come */
++};
++
++#ifdef __KERNEL__
++extern int vc_nx_info(struct nx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++#include <linux/in.h>
++#include <linux/in6.h>
++
++#define VCMD_net_create_v0 VC_CMD(VNET, 1, 0)
++#define VCMD_net_create VC_CMD(VNET, 1, 1)
++
++struct vcmd_net_create {
++ uint64_t flagword;
++};
++
++#define VCMD_net_migrate VC_CMD(NETMIG, 1, 0)
++
++#define VCMD_net_add VC_CMD(NETALT, 1, 0)
++#define VCMD_net_remove VC_CMD(NETALT, 2, 0)
++
++struct vcmd_net_addr_v0 {
++ uint16_t type;
++ uint16_t count;
++ struct in_addr ip[4];
++ struct in_addr mask[4];
++};
++
++#define VCMD_net_add_ipv4_v1 VC_CMD(NETALT, 1, 1)
++#define VCMD_net_rem_ipv4_v1 VC_CMD(NETALT, 2, 1)
++
++struct vcmd_net_addr_ipv4_v1 {
++ uint16_t type;
++ uint16_t flags;
++ struct in_addr ip;
++ struct in_addr mask;
++};
++
++#define VCMD_net_add_ipv4 VC_CMD(NETALT, 1, 2)
++#define VCMD_net_rem_ipv4 VC_CMD(NETALT, 2, 2)
++
++struct vcmd_net_addr_ipv4_v2 {
++ uint16_t type;
++ uint16_t flags;
++ struct in_addr ip;
++ struct in_addr ip2;
++ struct in_addr mask;
++};
++
++#define VCMD_net_add_ipv6 VC_CMD(NETALT, 3, 1)
++#define VCMD_net_remove_ipv6 VC_CMD(NETALT, 4, 1)
++
++struct vcmd_net_addr_ipv6_v1 {
++ uint16_t type;
++ uint16_t flags;
++ uint32_t prefix;
++ struct in6_addr ip;
++ struct in6_addr mask;
++};
++
++#define VCMD_add_match_ipv4 VC_CMD(NETALT, 5, 0)
++#define VCMD_get_match_ipv4 VC_CMD(NETALT, 6, 0)
++
++struct vcmd_match_ipv4_v0 {
++ uint16_t type;
++ uint16_t flags;
++ uint16_t parent;
++ uint16_t prefix;
++ struct in_addr ip;
++ struct in_addr ip2;
++ struct in_addr mask;
++};
++
++#define VCMD_add_match_ipv6 VC_CMD(NETALT, 7, 0)
++#define VCMD_get_match_ipv6 VC_CMD(NETALT, 8, 0)
++
++struct vcmd_match_ipv6_v0 {
++ uint16_t type;
++ uint16_t flags;
++ uint16_t parent;
++ uint16_t prefix;
++ struct in6_addr ip;
++ struct in6_addr ip2;
++ struct in6_addr mask;
++};
++
++
++#ifdef __KERNEL__
++extern int vc_net_create(uint32_t, void __user *);
++extern int vc_net_migrate(struct nx_info *, void __user *);
++
++extern int vc_net_add(struct nx_info *, void __user *);
++extern int vc_net_remove(struct nx_info *, void __user *);
++
++extern int vc_net_add_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_add_ipv4(struct nx_info *, void __user *);
++
++extern int vc_net_rem_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_rem_ipv4(struct nx_info *, void __user *);
++
++extern int vc_net_add_ipv6(struct nx_info *, void __user *);
++extern int vc_net_remove_ipv6(struct nx_info *, void __user *);
++
++extern int vc_add_match_ipv4(struct nx_info *, void __user *);
++extern int vc_get_match_ipv4(struct nx_info *, void __user *);
++
++extern int vc_add_match_ipv6(struct nx_info *, void __user *);
++extern int vc_get_match_ipv6(struct nx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++
++/* flag commands */
++
++#define VCMD_get_nflags VC_CMD(FLAGS, 5, 0)
++#define VCMD_set_nflags VC_CMD(FLAGS, 6, 0)
++
++struct vcmd_net_flags_v0 {
++ uint64_t flagword;
++ uint64_t mask;
++};
++
++#ifdef __KERNEL__
++extern int vc_get_nflags(struct nx_info *, void __user *);
++extern int vc_set_nflags(struct nx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++
++/* network caps commands */
++
++#define VCMD_get_ncaps VC_CMD(FLAGS, 7, 0)
++#define VCMD_set_ncaps VC_CMD(FLAGS, 8, 0)
++
++struct vcmd_net_caps_v0 {
++ uint64_t ncaps;
++ uint64_t cmask;
++};
++
++#ifdef __KERNEL__
++extern int vc_get_ncaps(struct nx_info *, void __user *);
++extern int vc_set_ncaps(struct nx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++#endif /* _VX_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/percpu.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/percpu.h
+--- linux-3.4.45/include/linux/vserver/percpu.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/percpu.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VX_PERCPU_H
++#define _VX_PERCPU_H
++
++#include "cvirt_def.h"
++#include "sched_def.h"
++
++struct _vx_percpu {
++ struct _vx_cvirt_pc cvirt;
++ struct _vx_sched_pc sched;
++};
++
++#define PERCPU_PERCTX (sizeof(struct _vx_percpu))
++
++#endif /* _VX_PERCPU_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/pid.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/pid.h
+--- linux-3.4.45/include/linux/vserver/pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/pid.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,51 @@
++#ifndef _VSERVER_PID_H
++#define _VSERVER_PID_H
++
++/* pid faking stuff */
++
++#define vx_info_map_pid(v, p) \
++ __vx_info_map_pid((v), (p), __func__, __FILE__, __LINE__)
++#define vx_info_map_tgid(v,p) vx_info_map_pid(v,p)
++#define vx_map_pid(p) vx_info_map_pid(current_vx_info(), p)
++#define vx_map_tgid(p) vx_map_pid(p)
++
++static inline int __vx_info_map_pid(struct vx_info *vxi, int pid,
++ const char *func, const char *file, int line)
++{
++ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
++ vxfprintk(VXD_CBIT(cvirt, 2),
++ "vx_map_tgid: %p/%llx: %d -> %d",
++ vxi, (long long)vxi->vx_flags, pid,
++ (pid && pid == vxi->vx_initpid) ? 1 : pid,
++ func, file, line);
++ if (pid == 0)
++ return 0;
++ if (pid == vxi->vx_initpid)
++ return 1;
++ }
++ return pid;
++}
++
++#define vx_info_rmap_pid(v, p) \
++ __vx_info_rmap_pid((v), (p), __func__, __FILE__, __LINE__)
++#define vx_rmap_pid(p) vx_info_rmap_pid(current_vx_info(), p)
++#define vx_rmap_tgid(p) vx_rmap_pid(p)
++
++static inline int __vx_info_rmap_pid(struct vx_info *vxi, int pid,
++ const char *func, const char *file, int line)
++{
++ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
++ vxfprintk(VXD_CBIT(cvirt, 2),
++ "vx_rmap_tgid: %p/%llx: %d -> %d",
++ vxi, (long long)vxi->vx_flags, pid,
++ (pid == 1) ? vxi->vx_initpid : pid,
++ func, file, line);
++ if ((pid == 1) && vxi->vx_initpid)
++ return vxi->vx_initpid;
++ if (pid == vxi->vx_initpid)
++ return ~0U;
++ }
++ return pid;
++}
++
++#endif
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/sched.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/sched.h
+--- linux-3.4.45/include/linux/vserver/sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/sched.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _VX_SCHED_H
++#define _VX_SCHED_H
++
++
++#ifdef __KERNEL__
++
++struct timespec;
++
++void vx_vsi_uptime(struct timespec *, struct timespec *);
++
++
++struct vx_info;
++
++void vx_update_load(struct vx_info *);
++
++
++void vx_update_sched_param(struct _vx_sched *sched,
++ struct _vx_sched_pc *sched_pc);
++
++#endif /* __KERNEL__ */
++#else /* _VX_SCHED_H */
++#warning duplicate inclusion
++#endif /* _VX_SCHED_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/sched_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/sched_cmd.h
+--- linux-3.4.45/include/linux/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/sched_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,21 @@
++#ifndef _VX_SCHED_CMD_H
++#define _VX_SCHED_CMD_H
++
++
++struct vcmd_prio_bias {
++ int32_t cpu_id;
++ int32_t prio_bias;
++};
++
++#define VCMD_set_prio_bias VC_CMD(SCHED, 4, 0)
++#define VCMD_get_prio_bias VC_CMD(SCHED, 5, 0)
++
++#ifdef __KERNEL__
++
++#include <linux/compiler.h>
++
++extern int vc_set_prio_bias(struct vx_info *, void __user *);
++extern int vc_get_prio_bias(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++#endif /* _VX_SCHED_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/sched_def.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/sched_def.h
+--- linux-3.4.45/include/linux/vserver/sched_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/sched_def.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,38 @@
++#ifndef _VX_SCHED_DEF_H
++#define _VX_SCHED_DEF_H
++
++#include <linux/spinlock.h>
++#include <linux/jiffies.h>
++#include <linux/cpumask.h>
++#include <asm/atomic.h>
++#include <asm/param.h>
++
++
++/* context sub struct */
++
++struct _vx_sched {
++ int prio_bias; /* bias offset for priority */
++
++ cpumask_t update; /* CPUs which should update */
++};
++
++struct _vx_sched_pc {
++ int prio_bias; /* bias offset for priority */
++
++ uint64_t user_ticks; /* token tick events */
++ uint64_t sys_ticks; /* token tick events */
++ uint64_t hold_ticks; /* token ticks paused */
++};
++
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_sched(struct _vx_sched *sched)
++{
++ printk("\t_vx_sched:\n");
++ printk("\t priority = %4d\n", sched->prio_bias);
++}
++
++#endif
++
++#endif /* _VX_SCHED_DEF_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/signal.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/signal.h
+--- linux-3.4.45/include/linux/vserver/signal.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/signal.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VX_SIGNAL_H
++#define _VX_SIGNAL_H
++
++
++#ifdef __KERNEL__
++
++struct vx_info;
++
++int vx_info_kill(struct vx_info *, int, int);
++
++#endif /* __KERNEL__ */
++#else /* _VX_SIGNAL_H */
++#warning duplicate inclusion
++#endif /* _VX_SIGNAL_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/signal_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/signal_cmd.h
+--- linux-3.4.45/include/linux/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/signal_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,43 @@
++#ifndef _VX_SIGNAL_CMD_H
++#define _VX_SIGNAL_CMD_H
++
++
++/* signalling vserver commands */
++
++#define VCMD_ctx_kill VC_CMD(PROCTRL, 1, 0)
++#define VCMD_wait_exit VC_CMD(EVENT, 99, 0)
++
++struct vcmd_ctx_kill_v0 {
++ int32_t pid;
++ int32_t sig;
++};
++
++struct vcmd_wait_exit_v0 {
++ int32_t reboot_cmd;
++ int32_t exit_code;
++};
++
++#ifdef __KERNEL__
++
++extern int vc_ctx_kill(struct vx_info *, void __user *);
++extern int vc_wait_exit(struct vx_info *, void __user *);
++
++#endif /* __KERNEL__ */
++
++/* process alteration commands */
++
++#define VCMD_get_pflags VC_CMD(PROCALT, 5, 0)
++#define VCMD_set_pflags VC_CMD(PROCALT, 6, 0)
++
++struct vcmd_pflags_v0 {
++ uint32_t flagword;
++ uint32_t mask;
++};
++
++#ifdef __KERNEL__
++
++extern int vc_get_pflags(uint32_t pid, void __user *);
++extern int vc_set_pflags(uint32_t pid, void __user *);
++
++#endif /* __KERNEL__ */
++#endif /* _VX_SIGNAL_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/space.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/space.h
+--- linux-3.4.45/include/linux/vserver/space.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/space.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,12 @@
++#ifndef _VX_SPACE_H
++#define _VX_SPACE_H
++
++#include <linux/types.h>
++
++struct vx_info;
++
++int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index);
++
++#else /* _VX_SPACE_H */
++#warning duplicate inclusion
++#endif /* _VX_SPACE_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/space_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/space_cmd.h
+--- linux-3.4.45/include/linux/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/space_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,38 @@
++#ifndef _VX_SPACE_CMD_H
++#define _VX_SPACE_CMD_H
++
++
++#define VCMD_enter_space_v0 VC_CMD(PROCALT, 1, 0)
++#define VCMD_enter_space_v1 VC_CMD(PROCALT, 1, 1)
++#define VCMD_enter_space VC_CMD(PROCALT, 1, 2)
++
++#define VCMD_set_space_v0 VC_CMD(PROCALT, 3, 0)
++#define VCMD_set_space_v1 VC_CMD(PROCALT, 3, 1)
++#define VCMD_set_space VC_CMD(PROCALT, 3, 2)
++
++#define VCMD_get_space_mask_v0 VC_CMD(PROCALT, 4, 0)
++
++#define VCMD_get_space_mask VC_CMD(VSPACE, 0, 1)
++#define VCMD_get_space_default VC_CMD(VSPACE, 1, 0)
++
++
++struct vcmd_space_mask_v1 {
++ uint64_t mask;
++};
++
++struct vcmd_space_mask_v2 {
++ uint64_t mask;
++ uint32_t index;
++};
++
++
++#ifdef __KERNEL__
++
++extern int vc_enter_space_v1(struct vx_info *, void __user *);
++extern int vc_set_space_v1(struct vx_info *, void __user *);
++extern int vc_enter_space(struct vx_info *, void __user *);
++extern int vc_set_space(struct vx_info *, void __user *);
++extern int vc_get_space_mask(void __user *, int);
++
++#endif /* __KERNEL__ */
++#endif /* _VX_SPACE_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/switch.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/switch.h
+--- linux-3.4.45/include/linux/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/switch.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,98 @@
++#ifndef _VX_SWITCH_H
++#define _VX_SWITCH_H
++
++#include <linux/types.h>
++
++
++#define VC_CATEGORY(c) (((c) >> 24) & 0x3F)
++#define VC_COMMAND(c) (((c) >> 16) & 0xFF)
++#define VC_VERSION(c) ((c) & 0xFFF)
++
++#define VC_CMD(c, i, v) ((((VC_CAT_ ## c) & 0x3F) << 24) \
++ | (((i) & 0xFF) << 16) | ((v) & 0xFFF))
++
++/*
++
++ Syscall Matrix V2.8
++
++ |VERSION|CREATE |MODIFY |MIGRATE|CONTROL|EXPERIM| |SPECIAL|SPECIAL|
++ |STATS |DESTROY|ALTER |CHANGE |LIMIT |TEST | | | |
++ |INFO |SETUP | |MOVE | | | | | |
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ SYSTEM |VERSION|VSETUP |VHOST | | | | |DEVICE | |
++ HOST | 00| 01| 02| 03| 04| 05| | 06| 07|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ CPU | |VPROC |PROCALT|PROCMIG|PROCTRL| | |SCHED. | |
++ PROCESS| 08| 09| 10| 11| 12| 13| | 14| 15|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ MEMORY | | | | |MEMCTRL| | |SWAP | |
++ | 16| 17| 18| 19| 20| 21| | 22| 23|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ NETWORK| |VNET |NETALT |NETMIG |NETCTL | | |SERIAL | |
++ | 24| 25| 26| 27| 28| 29| | 30| 31|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ DISK | | | |TAGMIG |DLIMIT | | |INODE | |
++ VFS | 32| 33| 34| 35| 36| 37| | 38| 39|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ OTHER |VSTAT | | | | | | |VINFO | |
++ | 40| 41| 42| 43| 44| 45| | 46| 47|
++ =======+=======+=======+=======+=======+=======+=======+ +=======+=======+
++ SPECIAL|EVENT | | | |FLAGS | | |VSPACE | |
++ | 48| 49| 50| 51| 52| 53| | 54| 55|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ SPECIAL|DEBUG | | | |RLIMIT |SYSCALL| | |COMPAT |
++ | 56| 57| 58| 59| 60|TEST 61| | 62| 63|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++
++*/
++
++#define VC_CAT_VERSION 0
++
++#define VC_CAT_VSETUP 1
++#define VC_CAT_VHOST 2
++
++#define VC_CAT_DEVICE 6
++
++#define VC_CAT_VPROC 9
++#define VC_CAT_PROCALT 10
++#define VC_CAT_PROCMIG 11
++#define VC_CAT_PROCTRL 12
++
++#define VC_CAT_SCHED 14
++#define VC_CAT_MEMCTRL 20
++
++#define VC_CAT_VNET 25
++#define VC_CAT_NETALT 26
++#define VC_CAT_NETMIG 27
++#define VC_CAT_NETCTRL 28
++
++#define VC_CAT_TAGMIG 35
++#define VC_CAT_DLIMIT 36
++#define VC_CAT_INODE 38
++
++#define VC_CAT_VSTAT 40
++#define VC_CAT_VINFO 46
++#define VC_CAT_EVENT 48
++
++#define VC_CAT_FLAGS 52
++#define VC_CAT_VSPACE 54
++#define VC_CAT_DEBUG 56
++#define VC_CAT_RLIMIT 60
++
++#define VC_CAT_SYSTEST 61
++#define VC_CAT_COMPAT 63
++
++/* query version */
++
++#define VCMD_get_version VC_CMD(VERSION, 0, 0)
++#define VCMD_get_vci VC_CMD(VERSION, 1, 0)
++
++
++#ifdef __KERNEL__
++
++#include <linux/errno.h>
++
++#endif /* __KERNEL__ */
++
++#endif /* _VX_SWITCH_H */
++
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/tag.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/tag.h
+--- linux-3.4.45/include/linux/vserver/tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/tag.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,143 @@
++#ifndef _DX_TAG_H
++#define _DX_TAG_H
++
++#include <linux/types.h>
++
++
++#define DX_TAG(in) (IS_TAGGED(in))
++
++
++#ifdef CONFIG_TAG_NFSD
++#define DX_TAG_NFSD 1
++#else
++#define DX_TAG_NFSD 0
++#endif
++
++
++#ifdef CONFIG_TAGGING_NONE
++
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0xFFFFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) (0)
++
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) (gid)
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_GID16
++
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0x0000FFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (((gid) >> 16) & 0xFFFF) : 0)
++
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) \
++ ((cond) ? (((gid) & 0xFFFF) | ((tag) << 16)) : (gid))
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_ID24
++
++#define MAX_UID 0x00FFFFFF
++#define MAX_GID 0x00FFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? ((((uid) >> 16) & 0xFF00) | (((gid) >> 24) & 0xFF)) : 0)
++
++#define TAGINO_UID(cond, uid, tag) \
++ ((cond) ? (((uid) & 0xFFFFFF) | (((tag) & 0xFF00) << 16)) : (uid))
++#define TAGINO_GID(cond, gid, tag) \
++ ((cond) ? (((gid) & 0xFFFFFF) | (((tag) & 0x00FF) << 24)) : (gid))
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_UID16
++
++#define MAX_UID 0x0000FFFF
++#define MAX_GID 0xFFFFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (((uid) >> 16) & 0xFFFF) : 0)
++
++#define TAGINO_UID(cond, uid, tag) \
++ ((cond) ? (((uid) & 0xFFFF) | ((tag) << 16)) : (uid))
++#define TAGINO_GID(cond, gid, tag) (gid)
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_INTERN
++
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0xFFFFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (tag) : 0)
++
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) (gid)
++
++#endif
++
++
++#ifndef CONFIG_TAGGING_NONE
++#define dx_current_fstag(sb) \
++ ((sb)->s_flags & MS_TAGGED ? dx_current_tag() : 0)
++#else
++#define dx_current_fstag(sb) (0)
++#endif
++
++#ifndef CONFIG_TAGGING_INTERN
++#define TAGINO_TAG(cond, tag) (0)
++#else
++#define TAGINO_TAG(cond, tag) ((cond) ? (tag) : 0)
++#endif
++
++#define INOTAG_UID(cond, uid, gid) \
++ ((cond) ? ((uid) & MAX_UID) : (uid))
++#define INOTAG_GID(cond, uid, gid) \
++ ((cond) ? ((gid) & MAX_GID) : (gid))
++
++
++static inline uid_t dx_map_uid(uid_t uid)
++{
++ if ((uid > MAX_UID) && (uid != -1))
++ uid = -2;
++ return (uid & MAX_UID);
++}
++
++static inline gid_t dx_map_gid(gid_t gid)
++{
++ if ((gid > MAX_GID) && (gid != -1))
++ gid = -2;
++ return (gid & MAX_GID);
++}
++
++struct peer_tag {
++ int32_t xid;
++ int32_t nid;
++};
++
++#define dx_notagcheck(sb) ((sb) && ((sb)->s_flags & MS_NOTAGCHECK))
++
++int dx_parse_tag(char *string, tag_t *tag, int remove, int *mnt_flags,
++ unsigned long *flags);
++
++#ifdef CONFIG_PROPAGATE
++
++void __dx_propagate_tag(struct nameidata *nd, struct inode *inode);
++
++#define dx_propagate_tag(n, i) __dx_propagate_tag(n, i)
++
++#else
++#define dx_propagate_tag(n, i) do { } while (0)
++#endif
++
++#endif /* _DX_TAG_H */
+diff -NurpP --minimal linux-3.4.45/include/linux/vserver/tag_cmd.h linux-3.4.45-vs2.3.3.9/include/linux/vserver/tag_cmd.h
+--- linux-3.4.45/include/linux/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/linux/vserver/tag_cmd.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,22 @@
++#ifndef _VX_TAG_CMD_H
++#define _VX_TAG_CMD_H
++
++
++/* vinfo commands */
++
++#define VCMD_task_tag VC_CMD(VINFO, 3, 0)
++
++#ifdef __KERNEL__
++extern int vc_task_tag(uint32_t);
++
++#endif /* __KERNEL__ */
++
++/* context commands */
++
++#define VCMD_tag_migrate VC_CMD(TAGMIG, 1, 0)
++
++#ifdef __KERNEL__
++extern int vc_tag_migrate(uint32_t);
++
++#endif /* __KERNEL__ */
++#endif /* _VX_TAG_CMD_H */
+diff -NurpP --minimal linux-3.4.45/include/net/addrconf.h linux-3.4.45-vs2.3.3.9/include/net/addrconf.h
+--- linux-3.4.45/include/net/addrconf.h 2012-05-21 16:07:33.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/net/addrconf.h 2012-05-21 16:15:05.000000000 +0000
+@@ -80,7 +80,8 @@ extern int ipv6_dev_get_saddr(struct n
+ struct net_device *dev,
+ const struct in6_addr *daddr,
+ unsigned int srcprefs,
+- struct in6_addr *saddr);
++ struct in6_addr *saddr,
++ struct nx_info *nxi);
+ extern int ipv6_get_lladdr(struct net_device *dev,
+ struct in6_addr *addr,
+ unsigned char banned_flags);
+diff -NurpP --minimal linux-3.4.45/include/net/af_unix.h linux-3.4.45-vs2.3.3.9/include/net/af_unix.h
+--- linux-3.4.45/include/net/af_unix.h 2012-05-21 16:07:33.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/net/af_unix.h 2012-05-21 16:15:05.000000000 +0000
+@@ -4,6 +4,7 @@
+ #include <linux/socket.h>
+ #include <linux/un.h>
+ #include <linux/mutex.h>
++#include <linux/vs_base.h>
+ #include <net/sock.h>
+
+ extern void unix_inflight(struct file *fp);
+diff -NurpP --minimal linux-3.4.45/include/net/inet_timewait_sock.h linux-3.4.45-vs2.3.3.9/include/net/inet_timewait_sock.h
+--- linux-3.4.45/include/net/inet_timewait_sock.h 2012-03-19 18:47:29.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/net/inet_timewait_sock.h 2012-05-21 16:15:05.000000000 +0000
+@@ -112,6 +112,10 @@ struct inet_timewait_sock {
+ #define tw_net __tw_common.skc_net
+ #define tw_daddr __tw_common.skc_daddr
+ #define tw_rcv_saddr __tw_common.skc_rcv_saddr
++#define tw_xid __tw_common.skc_xid
++#define tw_vx_info __tw_common.skc_vx_info
++#define tw_nid __tw_common.skc_nid
++#define tw_nx_info __tw_common.skc_nx_info
+ int tw_timeout;
+ volatile unsigned char tw_substate;
+ unsigned char tw_rcv_wscale;
+diff -NurpP --minimal linux-3.4.45/include/net/ip6_route.h linux-3.4.45-vs2.3.3.9/include/net/ip6_route.h
+--- linux-3.4.45/include/net/ip6_route.h 2012-03-19 18:47:29.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/net/ip6_route.h 2012-05-21 16:15:05.000000000 +0000
+@@ -88,7 +88,8 @@ extern int ip6_route_get_saddr(struct
+ struct rt6_info *rt,
+ const struct in6_addr *daddr,
+ unsigned int prefs,
+- struct in6_addr *saddr);
++ struct in6_addr *saddr,
++ struct nx_info *nxi);
+
+ extern struct rt6_info *rt6_lookup(struct net *net,
+ const struct in6_addr *daddr,
+diff -NurpP --minimal linux-3.4.45/include/net/route.h linux-3.4.45-vs2.3.3.9/include/net/route.h
+--- linux-3.4.45/include/net/route.h 2012-03-19 18:47:29.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/net/route.h 2012-05-21 16:15:05.000000000 +0000
+@@ -202,6 +202,9 @@ static inline void ip_rt_put(struct rtab
+ dst_release(&rt->dst);
+ }
+
++#include <linux/vs_base.h>
++#include <linux/vs_inet.h>
++
+ #define IPTOS_RT_MASK (IPTOS_TOS_MASK & ~3)
+
+ extern const __u8 ip_tos2prio[16];
+@@ -253,6 +256,9 @@ static inline void ip_route_connect_init
+ protocol, flow_flags, dst, src, dport, sport);
+ }
+
++extern struct rtable *ip_v4_find_src(struct net *net, struct nx_info *,
++ struct flowi4 *);
++
+ static inline struct rtable *ip_route_connect(struct flowi4 *fl4,
+ __be32 dst, __be32 src, u32 tos,
+ int oif, u8 protocol,
+@@ -261,11 +267,25 @@ static inline struct rtable *ip_route_co
+ {
+ struct net *net = sock_net(sk);
+ struct rtable *rt;
++ struct nx_info *nx_info = current_nx_info();
+
+ ip_route_connect_init(fl4, dst, src, tos, oif, protocol,
+ sport, dport, sk, can_sleep);
+
+- if (!dst || !src) {
++ if (sk)
++ nx_info = sk->sk_nx_info;
++
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_route_connect(%p) %p,%p;%lx",
++ sk, nx_info, sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
++
++ rt = ip_v4_find_src(net, nx_info, fl4);
++ if (IS_ERR(rt))
++ return rt;
++ ip_rt_put(rt);
++
++ if (!fl4->daddr || !fl4->saddr) {
+ rt = __ip_route_output_key(net, fl4);
+ if (IS_ERR(rt))
+ return rt;
+diff -NurpP --minimal linux-3.4.45/include/net/sock.h linux-3.4.45-vs2.3.3.9/include/net/sock.h
+--- linux-3.4.45/include/net/sock.h 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/include/net/sock.h 2013-03-02 15:26:44.000000000 +0000
+@@ -170,6 +170,10 @@ struct sock_common {
+ #ifdef CONFIG_NET_NS
+ struct net *skc_net;
+ #endif
++ xid_t skc_xid;
++ struct vx_info *skc_vx_info;
++ nid_t skc_nid;
++ struct nx_info *skc_nx_info;
+ /*
+ * fields between dontcopy_begin/dontcopy_end
+ * are not copied in sock_copy()
+@@ -282,6 +286,10 @@ struct sock {
+ #define sk_bind_node __sk_common.skc_bind_node
+ #define sk_prot __sk_common.skc_prot
+ #define sk_net __sk_common.skc_net
++#define sk_xid __sk_common.skc_xid
++#define sk_vx_info __sk_common.skc_vx_info
++#define sk_nid __sk_common.skc_nid
++#define sk_nx_info __sk_common.skc_nx_info
+ socket_lock_t sk_lock;
+ struct sk_buff_head sk_receive_queue;
+ /*
+diff -NurpP --minimal linux-3.4.45/init/Kconfig linux-3.4.45-vs2.3.3.9/init/Kconfig
+--- linux-3.4.45/init/Kconfig 2012-05-21 16:07:33.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/init/Kconfig 2012-05-21 16:15:05.000000000 +0000
+@@ -579,6 +579,7 @@ config HAVE_UNSTABLE_SCHED_CLOCK
+ menuconfig CGROUPS
+ boolean "Control Group support"
+ depends on EVENTFD
++ default y
+ help
+ This option adds support for grouping sets of processes together, for
+ use with process control subsystems such as Cpusets, CFS, memory
+@@ -828,6 +829,7 @@ config IPC_NS
+ config USER_NS
+ bool "User namespace (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
++ depends on VSERVER_DISABLED
+ default y
+ help
+ This allows containers, i.e. vservers, to use user namespaces
+diff -NurpP --minimal linux-3.4.45/init/main.c linux-3.4.45-vs2.3.3.9/init/main.c
+--- linux-3.4.45/init/main.c 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/init/main.c 2013-02-19 14:42:56.000000000 +0000
+@@ -68,6 +68,7 @@
+ #include <linux/shmem_fs.h>
+ #include <linux/slab.h>
+ #include <linux/perf_event.h>
++#include <linux/vserver/percpu.h>
+
+ #include <asm/io.h>
+ #include <asm/bugs.h>
+diff -NurpP --minimal linux-3.4.45/ipc/mqueue.c linux-3.4.45-vs2.3.3.9/ipc/mqueue.c
+--- linux-3.4.45/ipc/mqueue.c 2012-05-21 16:07:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/ipc/mqueue.c 2012-05-21 16:15:05.000000000 +0000
+@@ -34,6 +34,8 @@
+ #include <linux/ipc_namespace.h>
+ #include <linux/user_namespace.h>
+ #include <linux/slab.h>
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
+
+ #include <net/sock.h>
+ #include "util.h"
+@@ -67,6 +69,7 @@ struct mqueue_inode_info {
+ struct sigevent notify;
+ struct pid* notify_owner;
+ struct user_struct *user; /* user who created, for accounting */
++ struct vx_info *vxi;
+ struct sock *notify_sock;
+ struct sk_buff *notify_cookie;
+
+@@ -129,6 +132,7 @@ static struct inode *mqueue_get_inode(st
+ if (S_ISREG(mode)) {
+ struct mqueue_inode_info *info;
+ unsigned long mq_bytes, mq_msg_tblsz;
++ struct vx_info *vxi = current_vx_info();
+
+ inode->i_fop = &mqueue_file_operations;
+ inode->i_size = FILENT_SIZE;
+@@ -141,6 +145,7 @@ static struct inode *mqueue_get_inode(st
+ info->notify_owner = NULL;
+ info->qsize = 0;
+ info->user = NULL; /* set when all is ok */
++ info->vxi = NULL;
+ memset(&info->attr, 0, sizeof(info->attr));
+ info->attr.mq_maxmsg = ipc_ns->mq_msg_max;
+ info->attr.mq_msgsize = ipc_ns->mq_msgsize_max;
+@@ -158,17 +163,20 @@ static struct inode *mqueue_get_inode(st
+
+ spin_lock(&mq_lock);
+ if (u->mq_bytes + mq_bytes < u->mq_bytes ||
+- u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE)) {
++ u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE) ||
++ !vx_ipcmsg_avail(vxi, mq_bytes)) {
+ spin_unlock(&mq_lock);
+ /* mqueue_evict_inode() releases info->messages */
+ ret = -EMFILE;
+ goto out_inode;
+ }
+ u->mq_bytes += mq_bytes;
++ vx_ipcmsg_add(vxi, u, mq_bytes);
+ spin_unlock(&mq_lock);
+
+ /* all is ok */
+ info->user = get_uid(u);
++ info->vxi = get_vx_info(vxi);
+ } else if (S_ISDIR(mode)) {
+ inc_nlink(inode);
+ /* Some things misbehave if size == 0 on a directory */
+@@ -267,8 +275,11 @@ static void mqueue_evict_inode(struct in
+ + info->attr.mq_msgsize);
+ user = info->user;
+ if (user) {
++ struct vx_info *vxi = info->vxi;
++
+ spin_lock(&mq_lock);
+ user->mq_bytes -= mq_bytes;
++ vx_ipcmsg_sub(vxi, user, mq_bytes);
+ /*
+ * get_ns_from_inode() ensures that the
+ * (ipc_ns = sb->s_fs_info) is either a valid ipc_ns
+@@ -278,6 +289,7 @@ static void mqueue_evict_inode(struct in
+ if (ipc_ns)
+ ipc_ns->mq_queues_count--;
+ spin_unlock(&mq_lock);
++ put_vx_info(vxi);
+ free_uid(user);
+ }
+ if (ipc_ns)
+diff -NurpP --minimal linux-3.4.45/ipc/msg.c linux-3.4.45-vs2.3.3.9/ipc/msg.c
+--- linux-3.4.45/ipc/msg.c 2011-05-22 14:17:59.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/ipc/msg.c 2012-05-21 16:15:05.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/rwsem.h>
+ #include <linux/nsproxy.h>
+ #include <linux/ipc_namespace.h>
++#include <linux/vs_base.h>
+
+ #include <asm/current.h>
+ #include <asm/uaccess.h>
+@@ -190,6 +191,7 @@ static int newque(struct ipc_namespace *
+
+ msq->q_perm.mode = msgflg & S_IRWXUGO;
+ msq->q_perm.key = key;
++ msq->q_perm.xid = vx_current_xid();
+
+ msq->q_perm.security = NULL;
+ retval = security_msg_queue_alloc(msq);
+diff -NurpP --minimal linux-3.4.45/ipc/namespace.c linux-3.4.45-vs2.3.3.9/ipc/namespace.c
+--- linux-3.4.45/ipc/namespace.c 2011-07-22 09:18:12.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/ipc/namespace.c 2012-05-21 16:15:05.000000000 +0000
+@@ -13,11 +13,12 @@
+ #include <linux/mount.h>
+ #include <linux/user_namespace.h>
+ #include <linux/proc_fs.h>
++#include <linux/vs_base.h>
++#include <linux/vserver/global.h>
+
+ #include "util.h"
+
+-static struct ipc_namespace *create_ipc_ns(struct task_struct *tsk,
+- struct ipc_namespace *old_ns)
++static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns)
+ {
+ struct ipc_namespace *ns;
+ int err;
+@@ -46,19 +47,18 @@ static struct ipc_namespace *create_ipc_
+ ipcns_notify(IPCNS_CREATED);
+ register_ipcns_notifier(ns);
+
+- ns->user_ns = get_user_ns(task_cred_xxx(tsk, user)->user_ns);
++ ns->user_ns = get_user_ns(user_ns);
+
+ return ns;
+ }
+
+ struct ipc_namespace *copy_ipcs(unsigned long flags,
+- struct task_struct *tsk)
++ struct ipc_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+- struct ipc_namespace *ns = tsk->nsproxy->ipc_ns;
+-
+ if (!(flags & CLONE_NEWIPC))
+- return get_ipc_ns(ns);
+- return create_ipc_ns(tsk, ns);
++ return get_ipc_ns(old_ns);
++ return create_ipc_ns(user_ns);
+ }
+
+ /*
+diff -NurpP --minimal linux-3.4.45/ipc/sem.c linux-3.4.45-vs2.3.3.9/ipc/sem.c
+--- linux-3.4.45/ipc/sem.c 2012-01-09 15:14:59.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/ipc/sem.c 2012-05-21 16:15:05.000000000 +0000
+@@ -86,6 +86,8 @@
+ #include <linux/rwsem.h>
+ #include <linux/nsproxy.h>
+ #include <linux/ipc_namespace.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/uaccess.h>
+ #include "util.h"
+@@ -306,6 +308,7 @@ static int newary(struct ipc_namespace *
+
+ sma->sem_perm.mode = (semflg & S_IRWXUGO);
+ sma->sem_perm.key = key;
++ sma->sem_perm.xid = vx_current_xid();
+
+ sma->sem_perm.security = NULL;
+ retval = security_sem_alloc(sma);
+@@ -321,6 +324,9 @@ static int newary(struct ipc_namespace *
+ return id;
+ }
+ ns->used_sems += nsems;
++ /* FIXME: obsoleted? */
++ vx_semary_inc(sma);
++ vx_nsems_add(sma, nsems);
+
+ sma->sem_base = (struct sem *) &sma[1];
+
+@@ -770,6 +776,9 @@ static void freeary(struct ipc_namespace
+
+ wake_up_sem_queue_do(&tasks);
+ ns->used_sems -= sma->sem_nsems;
++ /* FIXME: obsoleted? */
++ vx_nsems_sub(sma, sma->sem_nsems);
++ vx_semary_dec(sma);
+ security_sem_free(sma);
+ ipc_rcu_putref(sma);
+ }
+diff -NurpP --minimal linux-3.4.45/ipc/shm.c linux-3.4.45-vs2.3.3.9/ipc/shm.c
+--- linux-3.4.45/ipc/shm.c 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/ipc/shm.c 2013-05-13 18:16:08.000000000 +0000
+@@ -39,6 +39,8 @@
+ #include <linux/nsproxy.h>
+ #include <linux/mount.h>
+ #include <linux/ipc_namespace.h>
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/uaccess.h>
+
+@@ -187,7 +189,12 @@ static void shm_open(struct vm_area_stru
+ */
+ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp)
+ {
+- ns->shm_tot -= (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
++ struct vx_info *vxi = lookup_vx_info(shp->shm_perm.xid);
++ int numpages = (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
++
++ vx_ipcshm_sub(vxi, shp, numpages);
++ ns->shm_tot -= numpages;
++
+ shm_rmid(ns, shp);
+ shm_unlock(shp);
+ if (!is_file_hugepages(shp->shm_file))
+@@ -197,6 +204,7 @@ static void shm_destroy(struct ipc_names
+ shp->mlock_user);
+ fput (shp->shm_file);
+ security_shm_free(shp);
++ put_vx_info(vxi);
+ ipc_rcu_putref(shp);
+ }
+
+@@ -462,11 +470,15 @@ static int newseg(struct ipc_namespace *
+ if (ns->shm_tot + numpages > ns->shm_ctlall)
+ return -ENOSPC;
+
++ if (!vx_ipcshm_avail(current_vx_info(), numpages))
++ return -ENOSPC;
++
+ shp = ipc_rcu_alloc(sizeof(*shp));
+ if (!shp)
+ return -ENOMEM;
+
+ shp->shm_perm.key = key;
++ shp->shm_perm.xid = vx_current_xid();
+ shp->shm_perm.mode = (shmflg & S_IRWXUGO);
+ shp->mlock_user = NULL;
+
+@@ -521,6 +533,7 @@ static int newseg(struct ipc_namespace *
+ ns->shm_tot += numpages;
+ error = shp->shm_perm.id;
+ shm_unlock(shp);
++ vx_ipcshm_add(current_vx_info(), key, numpages);
+ return error;
+
+ no_id:
+diff -NurpP --minimal linux-3.4.45/kernel/Makefile linux-3.4.45-vs2.3.3.9/kernel/Makefile
+--- linux-3.4.45/kernel/Makefile 2012-05-21 16:07:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/Makefile 2012-05-21 16:15:05.000000000 +0000
+@@ -25,6 +25,7 @@ endif
+ obj-y += sched/
+ obj-y += power/
+
++obj-y += vserver/
+ obj-$(CONFIG_FREEZER) += freezer.o
+ obj-$(CONFIG_PROFILING) += profile.o
+ obj-$(CONFIG_STACKTRACE) += stacktrace.o
+diff -NurpP --minimal linux-3.4.45/kernel/auditsc.c linux-3.4.45-vs2.3.3.9/kernel/auditsc.c
+--- linux-3.4.45/kernel/auditsc.c 2012-03-19 18:47:29.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/auditsc.c 2012-05-21 16:15:05.000000000 +0000
+@@ -2308,7 +2308,7 @@ int audit_set_loginuid(uid_t loginuid)
+ if (task->loginuid != -1)
+ return -EPERM;
+ #else /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */
+- if (!capable(CAP_AUDIT_CONTROL))
++ if (!vx_capable(CAP_AUDIT_CONTROL, VXC_AUDIT_CONTROL))
+ return -EPERM;
+ #endif /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */
+
+diff -NurpP --minimal linux-3.4.45/kernel/capability.c linux-3.4.45-vs2.3.3.9/kernel/capability.c
+--- linux-3.4.45/kernel/capability.c 2012-03-19 18:47:29.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/capability.c 2012-05-21 16:15:05.000000000 +0000
+@@ -15,6 +15,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/pid_namespace.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_context.h>
+ #include <asm/uaccess.h>
+
+ /*
+@@ -116,6 +117,7 @@ static int cap_validate_magic(cap_user_h
+ return 0;
+ }
+
++
+ /*
+ * The only thing that can change the capabilities of the current
+ * process is the current process. As such, we can't be in this code
+@@ -349,6 +351,8 @@ bool has_ns_capability_noaudit(struct ta
+ return (ret == 0);
+ }
+
++#include <linux/vserver/base.h>
++
+ /**
+ * has_capability_noaudit - Does a task have a capability (unaudited) in the
+ * initial user ns
+diff -NurpP --minimal linux-3.4.45/kernel/compat.c linux-3.4.45-vs2.3.3.9/kernel/compat.c
+--- linux-3.4.45/kernel/compat.c 2012-05-21 16:07:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/compat.c 2012-05-21 16:15:05.000000000 +0000
+@@ -1054,7 +1054,7 @@ asmlinkage long compat_sys_stime(compat_
+ if (err)
+ return err;
+
+- do_settimeofday(&tv);
++ vx_settimeofday(&tv);
+ return 0;
+ }
+
+diff -NurpP --minimal linux-3.4.45/kernel/cred.c linux-3.4.45-vs2.3.3.9/kernel/cred.c
+--- linux-3.4.45/kernel/cred.c 2012-05-21 16:07:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/cred.c 2012-05-21 16:15:05.000000000 +0000
+@@ -62,31 +62,6 @@ struct cred init_cred = {
+ #endif
+ };
+
+-static inline void set_cred_subscribers(struct cred *cred, int n)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- atomic_set(&cred->subscribers, n);
+-#endif
+-}
+-
+-static inline int read_cred_subscribers(const struct cred *cred)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- return atomic_read(&cred->subscribers);
+-#else
+- return 0;
+-#endif
+-}
+-
+-static inline void alter_cred_subscribers(const struct cred *_cred, int n)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- struct cred *cred = (struct cred *) _cred;
+-
+- atomic_add(n, &cred->subscribers);
+-#endif
+-}
+-
+ /*
+ * Dispose of the shared task group credentials
+ */
+@@ -282,21 +257,16 @@ error:
+ *
+ * Call commit_creds() or abort_creds() to clean up.
+ */
+-struct cred *prepare_creds(void)
++struct cred *__prepare_creds(const struct cred *old)
+ {
+- struct task_struct *task = current;
+- const struct cred *old;
+ struct cred *new;
+
+- validate_process_creds();
+-
+ new = kmem_cache_alloc(cred_jar, GFP_KERNEL);
+ if (!new)
+ return NULL;
+
+ kdebug("prepare_creds() alloc %p", new);
+
+- old = task->cred;
+ memcpy(new, old, sizeof(struct cred));
+
+ atomic_set(&new->usage, 1);
+@@ -323,6 +293,13 @@ error:
+ abort_creds(new);
+ return NULL;
+ }
++
++struct cred *prepare_creds(void)
++{
++ validate_process_creds();
++
++ return __prepare_creds(current->cred);
++}
+ EXPORT_SYMBOL(prepare_creds);
+
+ /*
+diff -NurpP --minimal linux-3.4.45/kernel/exit.c linux-3.4.45-vs2.3.3.9/kernel/exit.c
+--- linux-3.4.45/kernel/exit.c 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/exit.c 2012-12-08 00:54:06.000000000 +0000
+@@ -48,6 +48,10 @@
+ #include <linux/fs_struct.h>
+ #include <linux/init_task.h>
+ #include <linux/perf_event.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_pid.h>
+ #include <trace/events/sched.h>
+ #include <linux/hw_breakpoint.h>
+ #include <linux/oom.h>
+@@ -482,9 +486,11 @@ static void close_files(struct files_str
+ filp_close(file, files);
+ cond_resched();
+ }
++ vx_openfd_dec(i);
+ }
+ i++;
+ set >>= 1;
++ cond_resched();
+ }
+ }
+ }
+@@ -699,15 +705,25 @@ static struct task_struct *find_new_reap
+ __acquires(&tasklist_lock)
+ {
+ struct pid_namespace *pid_ns = task_active_pid_ns(father);
+- struct task_struct *thread;
++ struct vx_info *vxi = task_get_vx_info(father);
++ struct task_struct *thread = father;
++ struct task_struct *reaper;
+
+- thread = father;
+ while_each_thread(father, thread) {
+ if (thread->flags & PF_EXITING)
+ continue;
+ if (unlikely(pid_ns->child_reaper == father))
+ pid_ns->child_reaper = thread;
+- return thread;
++ reaper = thread;
++ goto out_put;
++ }
++
++ reaper = pid_ns->child_reaper;
++ if (vxi) {
++ BUG_ON(!vxi->vx_reaper);
++ if (vxi->vx_reaper != init_pid_ns.child_reaper &&
++ vxi->vx_reaper != father)
++ reaper = vxi->vx_reaper;
+ }
+
+ if (unlikely(pid_ns->child_reaper == father)) {
+@@ -751,7 +767,9 @@ static struct task_struct *find_new_reap
+ }
+ }
+
+- return pid_ns->child_reaper;
++out_put:
++ put_vx_info(vxi);
++ return reaper;
+ }
+
+ /*
+@@ -802,10 +820,15 @@ static void forget_original_parent(struc
+ list_for_each_entry_safe(p, n, &father->children, sibling) {
+ struct task_struct *t = p;
+ do {
+- t->real_parent = reaper;
++ struct task_struct *new_parent = reaper;
++
++ if (unlikely(p == reaper))
++ new_parent = task_active_pid_ns(p)->child_reaper;
++
++ t->real_parent = new_parent;
+ if (t->parent == father) {
+ BUG_ON(t->ptrace);
+- t->parent = t->real_parent;
++ t->parent = new_parent;
+ }
+ if (t->pdeath_signal)
+ group_send_sig_info(t->pdeath_signal,
+@@ -1013,6 +1036,9 @@ void do_exit(long code)
+ */
+ ptrace_put_breakpoints(tsk);
+
++ /* needs to stay before exit_notify() */
++ exit_vx_info_early(tsk, code);
++
+ exit_notify(tsk, group_dead);
+ #ifdef CONFIG_NUMA
+ task_lock(tsk);
+@@ -1063,10 +1089,15 @@ void do_exit(long code)
+ smp_mb();
+ raw_spin_unlock_wait(&tsk->pi_lock);
+
++ /* needs to stay after exit_notify() */
++ exit_vx_info(tsk, code);
++ exit_nx_info(tsk);
++
+ /* causes final put_task_struct in finish_task_switch(). */
+ tsk->state = TASK_DEAD;
+ tsk->flags |= PF_NOFREEZE; /* tell freezer to ignore us */
+ schedule();
++ printk("bad task: %p [%lx]\n", current, current->state);
+ BUG();
+ /* Avoid "noreturn function does return". */
+ for (;;)
+diff -NurpP --minimal linux-3.4.45/kernel/fork.c linux-3.4.45-vs2.3.3.9/kernel/fork.c
+--- linux-3.4.45/kernel/fork.c 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/fork.c 2012-06-28 14:45:07.000000000 +0000
+@@ -68,6 +68,9 @@
+ #include <linux/oom.h>
+ #include <linux/khugepaged.h>
+ #include <linux/signalfd.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/pgtable.h>
+ #include <asm/pgalloc.h>
+@@ -170,6 +173,8 @@ void free_task(struct task_struct *tsk)
+ account_kernel_stack(tsk->stack, -1);
+ free_thread_info(tsk->stack);
+ rt_mutex_debug_task_free(tsk);
++ clr_vx_info(&tsk->vx_info);
++ clr_nx_info(&tsk->nx_info);
+ ftrace_graph_exit_task(tsk);
+ free_task_struct(tsk);
+ }
+@@ -507,6 +512,7 @@ static struct mm_struct *mm_init(struct
+ if (likely(!mm_alloc_pgd(mm))) {
+ mm->def_flags = 0;
+ mmu_notifier_mm_init(mm);
++ set_vx_info(&mm->mm_vx_info, p->vx_info);
+ return mm;
+ }
+
+@@ -559,6 +565,7 @@ void __mmdrop(struct mm_struct *mm)
+ destroy_context(mm);
+ mmu_notifier_mm_destroy(mm);
+ check_mm(mm);
++ clr_vx_info(&mm->mm_vx_info);
+ free_mm(mm);
+ }
+ EXPORT_SYMBOL_GPL(__mmdrop);
+@@ -794,6 +801,7 @@ struct mm_struct *dup_mm(struct task_str
+ goto fail_nomem;
+
+ memcpy(mm, oldmm, sizeof(*mm));
++ mm->mm_vx_info = NULL;
+ mm_init_cpumask(mm);
+
+ /* Initializing for Swap token stuff */
+@@ -837,6 +845,7 @@ fail_nocontext:
+ * If init_new_context() failed, we cannot use mmput() to free the mm
+ * because it calls destroy_context()
+ */
++ clr_vx_info(&mm->mm_vx_info);
+ mm_free_pgd(mm);
+ free_mm(mm);
+ return NULL;
+@@ -1125,6 +1134,8 @@ static struct task_struct *copy_process(
+ int retval;
+ struct task_struct *p;
+ int cgroup_callbacks_done = 0;
++ struct vx_info *vxi;
++ struct nx_info *nxi;
+
+ if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
+ return ERR_PTR(-EINVAL);
+@@ -1171,7 +1182,12 @@ static struct task_struct *copy_process(
+ DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled);
+ DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
+ #endif
++ init_vx_info(&p->vx_info, current_vx_info());
++ init_nx_info(&p->nx_info, current_nx_info());
++
+ retval = -EAGAIN;
++ if (!vx_nproc_avail(1))
++ goto bad_fork_free;
+ if (atomic_read(&p->real_cred->user->processes) >=
+ task_rlimit(p, RLIMIT_NPROC)) {
+ if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
+@@ -1448,6 +1464,18 @@ static struct task_struct *copy_process(
+
+ total_forks++;
+ spin_unlock(&current->sighand->siglock);
++
++ /* p is copy of current */
++ vxi = p->vx_info;
++ if (vxi) {
++ claim_vx_info(vxi, p);
++ atomic_inc(&vxi->cvirt.nr_threads);
++ atomic_inc(&vxi->cvirt.total_forks);
++ vx_nproc_inc(p);
++ }
++ nxi = p->nx_info;
++ if (nxi)
++ claim_nx_info(nxi, p);
+ write_unlock_irq(&tasklist_lock);
+ proc_fork_connector(p);
+ cgroup_post_fork(p);
+diff -NurpP --minimal linux-3.4.45/kernel/kthread.c linux-3.4.45-vs2.3.3.9/kernel/kthread.c
+--- linux-3.4.45/kernel/kthread.c 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/kthread.c 2012-10-22 13:09:53.000000000 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/mutex.h>
+ #include <linux/slab.h>
+ #include <linux/freezer.h>
++#include <linux/vs_pid.h>
+ #include <trace/events/sched.h>
+
+ static DEFINE_SPINLOCK(kthread_create_lock);
+diff -NurpP --minimal linux-3.4.45/kernel/nsproxy.c linux-3.4.45-vs2.3.3.9/kernel/nsproxy.c
+--- linux-3.4.45/kernel/nsproxy.c 2012-01-09 15:15:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/nsproxy.c 2012-05-21 16:15:05.000000000 +0000
+@@ -20,11 +20,14 @@
+ #include <linux/mnt_namespace.h>
+ #include <linux/utsname.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vserver/global.h>
++#include <linux/vserver/debug.h>
+ #include <net/net_namespace.h>
+ #include <linux/ipc_namespace.h>
+ #include <linux/proc_fs.h>
+ #include <linux/file.h>
+ #include <linux/syscalls.h>
++#include "../fs/mount.h"
+
+ static struct kmem_cache *nsproxy_cachep;
+
+@@ -46,8 +49,11 @@ static inline struct nsproxy *create_nsp
+ struct nsproxy *nsproxy;
+
+ nsproxy = kmem_cache_alloc(nsproxy_cachep, GFP_KERNEL);
+- if (nsproxy)
++ if (nsproxy) {
+ atomic_set(&nsproxy->count, 1);
++ atomic_inc(&vs_global_nsproxy);
++ }
++ vxdprintk(VXD_CBIT(space, 2), "create_nsproxy = %p[1]", nsproxy);
+ return nsproxy;
+ }
+
+@@ -56,8 +62,11 @@ static inline struct nsproxy *create_nsp
+ * Return the newly created nsproxy. Do not attach this to the task,
+ * leave it to the caller to do proper locking and attach it to task.
+ */
+-static struct nsproxy *create_new_namespaces(unsigned long flags,
+- struct task_struct *tsk, struct fs_struct *new_fs)
++static struct nsproxy *unshare_namespaces(unsigned long flags,
++ struct nsproxy *orig,
++ struct fs_struct *new_fs,
++ struct user_namespace *new_user,
++ struct pid_namespace *new_pid)
+ {
+ struct nsproxy *new_nsp;
+ int err;
+@@ -66,31 +75,31 @@ static struct nsproxy *create_new_namesp
+ if (!new_nsp)
+ return ERR_PTR(-ENOMEM);
+
+- new_nsp->mnt_ns = copy_mnt_ns(flags, tsk->nsproxy->mnt_ns, new_fs);
++ new_nsp->mnt_ns = copy_mnt_ns(flags, orig->mnt_ns, new_fs);
+ if (IS_ERR(new_nsp->mnt_ns)) {
+ err = PTR_ERR(new_nsp->mnt_ns);
+ goto out_ns;
+ }
+
+- new_nsp->uts_ns = copy_utsname(flags, tsk);
++ new_nsp->uts_ns = copy_utsname(flags, orig->uts_ns, new_user);
+ if (IS_ERR(new_nsp->uts_ns)) {
+ err = PTR_ERR(new_nsp->uts_ns);
+ goto out_uts;
+ }
+
+- new_nsp->ipc_ns = copy_ipcs(flags, tsk);
++ new_nsp->ipc_ns = copy_ipcs(flags, orig->ipc_ns, new_user);
+ if (IS_ERR(new_nsp->ipc_ns)) {
+ err = PTR_ERR(new_nsp->ipc_ns);
+ goto out_ipc;
+ }
+
+- new_nsp->pid_ns = copy_pid_ns(flags, task_active_pid_ns(tsk));
++ new_nsp->pid_ns = copy_pid_ns(flags, new_pid);
+ if (IS_ERR(new_nsp->pid_ns)) {
+ err = PTR_ERR(new_nsp->pid_ns);
+ goto out_pid;
+ }
+
+- new_nsp->net_ns = copy_net_ns(flags, tsk->nsproxy->net_ns);
++ new_nsp->net_ns = copy_net_ns(flags, orig->net_ns);
+ if (IS_ERR(new_nsp->net_ns)) {
+ err = PTR_ERR(new_nsp->net_ns);
+ goto out_net;
+@@ -115,6 +124,40 @@ out_ns:
+ return ERR_PTR(err);
+ }
+
++static struct nsproxy *create_new_namespaces(unsigned long flags,
++ struct task_struct *tsk, struct fs_struct *new_fs)
++{
++ return unshare_namespaces(flags, tsk->nsproxy,
++ new_fs, task_cred_xxx(tsk, user)->user_ns,
++ task_active_pid_ns(tsk));
++}
++
++/*
++ * copies the nsproxy, setting refcount to 1, and grabbing a
++ * reference to all contained namespaces.
++ */
++struct nsproxy *copy_nsproxy(struct nsproxy *orig)
++{
++ struct nsproxy *ns = create_nsproxy();
++
++ if (ns) {
++ memcpy(ns, orig, sizeof(struct nsproxy));
++ atomic_set(&ns->count, 1);
++
++ if (ns->mnt_ns)
++ get_mnt_ns(ns->mnt_ns);
++ if (ns->uts_ns)
++ get_uts_ns(ns->uts_ns);
++ if (ns->ipc_ns)
++ get_ipc_ns(ns->ipc_ns);
++ if (ns->pid_ns)
++ get_pid_ns(ns->pid_ns);
++ if (ns->net_ns)
++ get_net(ns->net_ns);
++ }
++ return ns;
++}
++
+ /*
+ * called from clone. This now handles copy for nsproxy and all
+ * namespaces therein.
+@@ -122,9 +165,12 @@ out_ns:
+ int copy_namespaces(unsigned long flags, struct task_struct *tsk)
+ {
+ struct nsproxy *old_ns = tsk->nsproxy;
+- struct nsproxy *new_ns;
++ struct nsproxy *new_ns = NULL;
+ int err = 0;
+
++ vxdprintk(VXD_CBIT(space, 7), "copy_namespaces(0x%08lx,%p[%p])",
++ flags, tsk, old_ns);
++
+ if (!old_ns)
+ return 0;
+
+@@ -134,7 +180,7 @@ int copy_namespaces(unsigned long flags,
+ CLONE_NEWPID | CLONE_NEWNET)))
+ return 0;
+
+- if (!capable(CAP_SYS_ADMIN)) {
++ if (!vx_can_unshare(CAP_SYS_ADMIN, flags)) {
+ err = -EPERM;
+ goto out;
+ }
+@@ -161,6 +207,9 @@ int copy_namespaces(unsigned long flags,
+
+ out:
+ put_nsproxy(old_ns);
++ vxdprintk(VXD_CBIT(space, 3),
++ "copy_namespaces(0x%08lx,%p[%p]) = %d [%p]",
++ flags, tsk, old_ns, err, new_ns);
+ return err;
+ }
+
+@@ -174,7 +223,9 @@ void free_nsproxy(struct nsproxy *ns)
+ put_ipc_ns(ns->ipc_ns);
+ if (ns->pid_ns)
+ put_pid_ns(ns->pid_ns);
+- put_net(ns->net_ns);
++ if (ns->net_ns)
++ put_net(ns->net_ns);
++ atomic_dec(&vs_global_nsproxy);
+ kmem_cache_free(nsproxy_cachep, ns);
+ }
+
+@@ -187,11 +238,15 @@ int unshare_nsproxy_namespaces(unsigned
+ {
+ int err = 0;
+
++ vxdprintk(VXD_CBIT(space, 4),
++ "unshare_nsproxy_namespaces(0x%08lx,[%p])",
++ unshare_flags, current->nsproxy);
++
+ if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
+ CLONE_NEWNET)))
+ return 0;
+
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_can_unshare(CAP_SYS_ADMIN, unshare_flags))
+ return -EPERM;
+
+ *new_nsp = create_new_namespaces(unshare_flags, current,
+diff -NurpP --minimal linux-3.4.45/kernel/pid.c linux-3.4.45-vs2.3.3.9/kernel/pid.c
+--- linux-3.4.45/kernel/pid.c 2012-03-19 18:47:30.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/pid.c 2012-05-21 16:15:05.000000000 +0000
+@@ -36,6 +36,7 @@
+ #include <linux/pid_namespace.h>
+ #include <linux/init_task.h>
+ #include <linux/syscalls.h>
++#include <linux/vs_pid.h>
+
+ #define pid_hashfn(nr, ns) \
+ hash_long((unsigned long)nr + (unsigned long)ns, pidhash_shift)
+@@ -344,7 +345,7 @@ EXPORT_SYMBOL_GPL(find_pid_ns);
+
+ struct pid *find_vpid(int nr)
+ {
+- return find_pid_ns(nr, current->nsproxy->pid_ns);
++ return find_pid_ns(vx_rmap_pid(nr), current->nsproxy->pid_ns);
+ }
+ EXPORT_SYMBOL_GPL(find_vpid);
+
+@@ -404,6 +405,9 @@ void transfer_pid(struct task_struct *ol
+ struct task_struct *pid_task(struct pid *pid, enum pid_type type)
+ {
+ struct task_struct *result = NULL;
++
++ if (type == PIDTYPE_REALPID)
++ type = PIDTYPE_PID;
+ if (pid) {
+ struct hlist_node *first;
+ first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]),
+@@ -423,7 +427,7 @@ struct task_struct *find_task_by_pid_ns(
+ rcu_lockdep_assert(rcu_read_lock_held(),
+ "find_task_by_pid_ns() needs rcu_read_lock()"
+ " protection");
+- return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
++ return pid_task(find_pid_ns(vx_rmap_pid(nr), ns), PIDTYPE_PID);
+ }
+
+ struct task_struct *find_task_by_vpid(pid_t vnr)
+@@ -467,7 +471,7 @@ struct pid *find_get_pid(pid_t nr)
+ }
+ EXPORT_SYMBOL_GPL(find_get_pid);
+
+-pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns)
++pid_t pid_unmapped_nr_ns(struct pid *pid, struct pid_namespace *ns)
+ {
+ struct upid *upid;
+ pid_t nr = 0;
+@@ -480,6 +484,11 @@ pid_t pid_nr_ns(struct pid *pid, struct
+ return nr;
+ }
+
++pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns)
++{
++ return vx_map_pid(pid_unmapped_nr_ns(pid, ns));
++}
++
+ pid_t pid_vnr(struct pid *pid)
+ {
+ return pid_nr_ns(pid, current->nsproxy->pid_ns);
+diff -NurpP --minimal linux-3.4.45/kernel/pid_namespace.c linux-3.4.45-vs2.3.3.9/kernel/pid_namespace.c
+--- linux-3.4.45/kernel/pid_namespace.c 2012-05-21 16:07:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/pid_namespace.c 2012-05-21 16:15:05.000000000 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/slab.h>
+ #include <linux/proc_fs.h>
+ #include <linux/reboot.h>
++#include <linux/vserver/global.h>
+
+ #define BITS_PER_PAGE (PAGE_SIZE*8)
+
+@@ -89,6 +90,7 @@ static struct pid_namespace *create_pid_
+ goto out_free_map;
+
+ kref_init(&ns->kref);
++ atomic_inc(&vs_global_pid_ns);
+ ns->level = level;
+ ns->parent = get_pid_ns(parent_pid_ns);
+
+@@ -120,6 +122,7 @@ static void destroy_pid_namespace(struct
+
+ for (i = 0; i < PIDMAP_ENTRIES; i++)
+ kfree(ns->pidmap[i].page);
++ atomic_dec(&vs_global_pid_ns);
+ kmem_cache_free(pid_ns_cachep, ns);
+ }
+
+diff -NurpP --minimal linux-3.4.45/kernel/posix-timers.c linux-3.4.45-vs2.3.3.9/kernel/posix-timers.c
+--- linux-3.4.45/kernel/posix-timers.c 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/posix-timers.c 2013-03-30 21:29:17.000000000 +0000
+@@ -47,6 +47,7 @@
+ #include <linux/wait.h>
+ #include <linux/workqueue.h>
+ #include <linux/export.h>
++#include <linux/vs_context.h>
+
+ /*
+ * Management arrays for POSIX timers. Timers are kept in slab memory
+@@ -340,6 +341,7 @@ int posix_timer_event(struct k_itimer *t
+ {
+ struct task_struct *task;
+ int shared, ret = -1;
++
+ /*
+ * FIXME: if ->sigq is queued we can race with
+ * dequeue_signal()->do_schedule_next_timer().
+@@ -356,10 +358,18 @@ int posix_timer_event(struct k_itimer *t
+ rcu_read_lock();
+ task = pid_task(timr->it_pid, PIDTYPE_PID);
+ if (task) {
++ struct vx_info_save vxis;
++ struct vx_info *vxi;
++
++ vxi = get_vx_info(task->vx_info);
++ enter_vx_info(vxi, &vxis);
+ shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);
+ ret = send_sigqueue(timr->sigq, task, shared);
++ leave_vx_info(&vxis);
++ put_vx_info(vxi);
+ }
+ rcu_read_unlock();
++
+ /* If we failed to send the signal the timer stops. */
+ return ret > 0;
+ }
+diff -NurpP --minimal linux-3.4.45/kernel/printk.c linux-3.4.45-vs2.3.3.9/kernel/printk.c
+--- linux-3.4.45/kernel/printk.c 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/printk.c 2013-03-02 15:26:44.000000000 +0000
+@@ -41,6 +41,7 @@
+ #include <linux/cpu.h>
+ #include <linux/notifier.h>
+ #include <linux/rculist.h>
++#include <linux/vs_cvirt.h>
+
+ #include <asm/uaccess.h>
+
+@@ -317,7 +318,7 @@ static int check_syslog_permissions(int
+ return 0;
+
+ if (syslog_action_restricted(type)) {
+- if (capable(CAP_SYSLOG))
++ if (vx_capable(CAP_SYSLOG, VXC_SYSLOG))
+ return 0;
+ /* For historical reasons, accept CAP_SYS_ADMIN too, with a warning */
+ if (capable(CAP_SYS_ADMIN)) {
+@@ -347,12 +348,9 @@ int do_syslog(int type, char __user *buf
+ if (error)
+ return error;
+
+- switch (type) {
+- case SYSLOG_ACTION_CLOSE: /* Close log */
+- break;
+- case SYSLOG_ACTION_OPEN: /* Open log */
+- break;
+- case SYSLOG_ACTION_READ: /* Read from log */
++ if ((type == SYSLOG_ACTION_READ) ||
++ (type == SYSLOG_ACTION_READ_ALL) ||
++ (type == SYSLOG_ACTION_READ_CLEAR)) {
+ error = -EINVAL;
+ if (!buf || len < 0)
+ goto out;
+@@ -363,6 +361,16 @@ int do_syslog(int type, char __user *buf
+ error = -EFAULT;
+ goto out;
+ }
++ }
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ return vx_do_syslog(type, buf, len);
++
++ switch (type) {
++ case SYSLOG_ACTION_CLOSE: /* Close log */
++ break;
++ case SYSLOG_ACTION_OPEN: /* Open log */
++ break;
++ case SYSLOG_ACTION_READ: /* Read from log */
+ error = wait_event_interruptible(log_wait,
+ (log_start - log_end));
+ if (error)
+@@ -389,16 +397,6 @@ int do_syslog(int type, char __user *buf
+ /* FALL THRU */
+ /* Read last kernel messages */
+ case SYSLOG_ACTION_READ_ALL:
+- error = -EINVAL;
+- if (!buf || len < 0)
+- goto out;
+- error = 0;
+- if (!len)
+- goto out;
+- if (!access_ok(VERIFY_WRITE, buf, len)) {
+- error = -EFAULT;
+- goto out;
+- }
+ count = len;
+ if (count > log_buf_len)
+ count = log_buf_len;
+diff -NurpP --minimal linux-3.4.45/kernel/ptrace.c linux-3.4.45-vs2.3.3.9/kernel/ptrace.c
+--- linux-3.4.45/kernel/ptrace.c 2013-05-13 17:36:36.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/ptrace.c 2013-02-11 23:37:30.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/uaccess.h>
+ #include <linux/regset.h>
++#include <linux/vs_context.h>
+ #include <linux/hw_breakpoint.h>
+ #include <linux/cn_proc.h>
+
+@@ -256,6 +257,11 @@ ok:
+ dumpable = get_dumpable(task->mm);
+ if (!dumpable && !ptrace_has_cap(task_user_ns(task), mode))
+ return -EPERM;
++ if (!vx_check(task->xid, VS_ADMIN_P|VS_WATCH_P|VS_IDENT))
++ return -EPERM;
++ if (!vx_check(task->xid, VS_IDENT) &&
++ !task_vx_flags(task, VXF_STATE_ADMIN, 0))
++ return -EACCES;
+
+ return security_ptrace_access_check(task, mode);
+ }
+diff -NurpP --minimal linux-3.4.45/kernel/sched/core.c linux-3.4.45-vs2.3.3.9/kernel/sched/core.c
+--- linux-3.4.45/kernel/sched/core.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/sched/core.c 2013-05-13 18:16:08.000000000 +0000
+@@ -72,6 +72,8 @@
+ #include <linux/slab.h>
+ #include <linux/init_task.h>
+ #include <linux/binfmts.h>
++#include <linux/vs_sched.h>
++#include <linux/vs_cvirt.h>
+
+ #include <asm/switch_to.h>
+ #include <asm/tlb.h>
+@@ -2228,9 +2230,17 @@ EXPORT_SYMBOL(avenrun); /* should be rem
+ */
+ void get_avenrun(unsigned long *loads, unsigned long offset, int shift)
+ {
+- loads[0] = (avenrun[0] + offset) << shift;
+- loads[1] = (avenrun[1] + offset) << shift;
+- loads[2] = (avenrun[2] + offset) << shift;
++ if (vx_flags(VXF_VIRT_LOAD, 0)) {
++ struct vx_info *vxi = current_vx_info();
++
++ loads[0] = (vxi->cvirt.load[0] + offset) << shift;
++ loads[1] = (vxi->cvirt.load[1] + offset) << shift;
++ loads[2] = (vxi->cvirt.load[2] + offset) << shift;
++ } else {
++ loads[0] = (avenrun[0] + offset) << shift;
++ loads[1] = (avenrun[1] + offset) << shift;
++ loads[2] = (avenrun[2] + offset) << shift;
++ }
+ }
+
+ static long calc_load_fold_active(struct rq *this_rq)
+@@ -2799,14 +2809,17 @@ static inline void task_group_account_fi
+ void account_user_time(struct task_struct *p, cputime_t cputime,
+ cputime_t cputime_scaled)
+ {
++ struct vx_info *vxi = p->vx_info; /* p is _always_ current */
++ int nice = (TASK_NICE(p) > 0);
+ int index;
+
+ /* Add user time to process. */
+ p->utime += cputime;
+ p->utimescaled += cputime_scaled;
++ vx_account_user(vxi, cputime, nice);
+ account_group_user_time(p, cputime);
+
+- index = (TASK_NICE(p) > 0) ? CPUTIME_NICE : CPUTIME_USER;
++ index = (nice) ? CPUTIME_NICE : CPUTIME_USER;
+
+ /* Add user time to cpustat. */
+ task_group_account_field(p, index, (__force u64) cputime);
+@@ -2853,9 +2866,12 @@ static inline
+ void __account_system_time(struct task_struct *p, cputime_t cputime,
+ cputime_t cputime_scaled, int index)
+ {
++ struct vx_info *vxi = p->vx_info; /* p is _always_ current */
++
+ /* Add system time to process. */
+ p->stime += cputime;
+ p->stimescaled += cputime_scaled;
++ vx_account_system(vxi, cputime, 0 /* do we have idle time? */);
+ account_group_system_time(p, cputime);
+
+ /* Add system time to cpustat. */
+@@ -4081,7 +4097,7 @@ SYSCALL_DEFINE1(nice, int, increment)
+ nice = 19;
+
+ if (increment < 0 && !can_nice(current, nice))
+- return -EPERM;
++ return vx_flags(VXF_IGNEG_NICE, 0) ? 0 : -EPERM;
+
+ retval = security_task_setnice(current, nice);
+ if (retval)
+diff -NurpP --minimal linux-3.4.45/kernel/sched/fair.c linux-3.4.45-vs2.3.3.9/kernel/sched/fair.c
+--- linux-3.4.45/kernel/sched/fair.c 2012-05-21 16:07:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/sched/fair.c 2012-05-21 16:15:05.000000000 +0000
+@@ -26,6 +26,7 @@
+ #include <linux/slab.h>
+ #include <linux/profile.h>
+ #include <linux/interrupt.h>
++#include <linux/vs_cvirt.h>
+
+ #include <trace/events/sched.h>
+
+@@ -1111,6 +1112,8 @@ enqueue_entity(struct cfs_rq *cfs_rq, st
+ __enqueue_entity(cfs_rq, se);
+ se->on_rq = 1;
+
++ if (entity_is_task(se))
++ vx_activate_task(task_of(se));
+ if (cfs_rq->nr_running == 1) {
+ list_add_leaf_cfs_rq(cfs_rq);
+ check_enqueue_throttle(cfs_rq);
+@@ -1191,6 +1194,8 @@ dequeue_entity(struct cfs_rq *cfs_rq, st
+ if (se != cfs_rq->curr)
+ __dequeue_entity(cfs_rq, se);
+ se->on_rq = 0;
++ if (entity_is_task(se))
++ vx_deactivate_task(task_of(se));
+ update_cfs_load(cfs_rq, 0);
+ account_entity_dequeue(cfs_rq, se);
+
+diff -NurpP --minimal linux-3.4.45/kernel/signal.c linux-3.4.45-vs2.3.3.9/kernel/signal.c
+--- linux-3.4.45/kernel/signal.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/signal.c 2013-05-13 18:16:08.000000000 +0000
+@@ -29,6 +29,8 @@
+ #include <linux/pid_namespace.h>
+ #include <linux/nsproxy.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_context.h>
++#include <linux/vs_pid.h>
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/signal.h>
+
+@@ -787,9 +789,18 @@ static int check_kill_permission(int sig
+ struct pid *sid;
+ int error;
+
++ vxdprintk(VXD_CBIT(misc, 7),
++ "check_kill_permission(%d,%p,%p[#%u,%u])",
++ sig, info, t, vx_task_xid(t), t->pid);
++
+ if (!valid_signal(sig))
+ return -EINVAL;
+
++/* FIXME: needed? if so, why?
++ if ((info != SEND_SIG_NOINFO) &&
++ (is_si_special(info) || !si_fromuser(info)))
++ goto skip; */
++
+ if (!si_fromuser(info))
+ return 0;
+
+@@ -813,6 +824,20 @@ static int check_kill_permission(int sig
+ }
+ }
+
++ error = -EPERM;
++ if (t->pid == 1 && current->xid)
++ return error;
++
++ error = -ESRCH;
++ /* FIXME: we shouldn't return ESRCH ever, to avoid
++ loops, maybe ENOENT or EACCES? */
++ if (!vx_check(vx_task_xid(t), VS_WATCH_P | VS_IDENT)) {
++ vxdprintk(current->xid || VXD_CBIT(misc, 7),
++ "signal %d[%p] xid mismatch %p[#%u,%u] xid=#%u",
++ sig, info, t, vx_task_xid(t), t->pid, current->xid);
++ return error;
++ }
++/* skip: */
+ return security_task_kill(t, info, sig, 0);
+ }
+
+@@ -1355,7 +1380,7 @@ int kill_pid_info(int sig, struct siginf
+ rcu_read_lock();
+ retry:
+ p = pid_task(pid, PIDTYPE_PID);
+- if (p) {
++ if (p && vx_check(vx_task_xid(p), VS_IDENT)) {
+ error = group_send_sig_info(sig, info, p);
+ if (unlikely(error == -ESRCH))
+ /*
+@@ -1405,7 +1430,7 @@ int kill_pid_info_as_cred(int sig, struc
+
+ rcu_read_lock();
+ p = pid_task(pid, PIDTYPE_PID);
+- if (!p) {
++ if (!p || !vx_check(vx_task_xid(p), VS_IDENT)) {
+ ret = -ESRCH;
+ goto out_unlock;
+ }
+@@ -1457,8 +1482,10 @@ static int kill_something_info(int sig,
+ struct task_struct * p;
+
+ for_each_process(p) {
+- if (task_pid_vnr(p) > 1 &&
+- !same_thread_group(p, current)) {
++ if (vx_check(vx_task_xid(p), VS_ADMIN|VS_IDENT) &&
++ task_pid_vnr(p) > 1 &&
++ !same_thread_group(p, current) &&
++ !vx_current_initpid(p->pid)) {
+ int err = group_send_sig_info(sig, info, p);
+ ++count;
+ if (err != -EPERM)
+@@ -2312,6 +2339,11 @@ relock:
+ !sig_kernel_only(signr))
+ continue;
+
++ /* virtual init is protected against user signals */
++ if ((info->si_code == SI_USER) &&
++ vx_current_initpid(current->pid))
++ continue;
++
+ if (sig_kernel_stop(signr)) {
+ /*
+ * The default action is to stop all threads in
+diff -NurpP --minimal linux-3.4.45/kernel/softirq.c linux-3.4.45-vs2.3.3.9/kernel/softirq.c
+--- linux-3.4.45/kernel/softirq.c 2012-05-21 16:07:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/softirq.c 2012-05-21 16:15:05.000000000 +0000
+@@ -24,6 +24,7 @@
+ #include <linux/ftrace.h>
+ #include <linux/smp.h>
+ #include <linux/tick.h>
++#include <linux/vs_context.h>
+
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/irq.h>
+diff -NurpP --minimal linux-3.4.45/kernel/sys.c linux-3.4.45-vs2.3.3.9/kernel/sys.c
+--- linux-3.4.45/kernel/sys.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/sys.c 2013-05-13 18:16:08.000000000 +0000
+@@ -45,6 +45,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/kprobes.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_pid.h>
+
+ #include <linux/kmsg_dump.h>
+ /* Move somewhere else to avoid recompiling? */
+@@ -155,7 +156,10 @@ static int set_one_prio(struct task_stru
+ goto out;
+ }
+ if (niceval < task_nice(p) && !can_nice(p, niceval)) {
+- error = -EACCES;
++ if (vx_flags(VXF_IGNEG_NICE, 0))
++ error = 0;
++ else
++ error = -EACCES;
+ goto out;
+ }
+ no_nice = security_task_setnice(p, niceval);
+@@ -205,6 +209,8 @@ SYSCALL_DEFINE3(setpriority, int, which,
+ else
+ pgrp = task_pgrp(current);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ error = set_one_prio(p, niceval, error);
+ } while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
+ break;
+@@ -268,6 +274,8 @@ SYSCALL_DEFINE2(getpriority, int, which,
+ else
+ pgrp = task_pgrp(current);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ niceval = 20 - task_nice(p);
+ if (niceval > retval)
+ retval = niceval;
+@@ -420,6 +428,8 @@ EXPORT_SYMBOL_GPL(kernel_power_off);
+
+ static DEFINE_MUTEX(reboot_mutex);
+
++long vs_reboot(unsigned int, void __user *);
++
+ /*
+ * Reboot system call: for obvious reasons only root may call it,
+ * and even root needs to set up some magic numbers in the registers
+@@ -461,6 +471,9 @@ SYSCALL_DEFINE4(reboot, int, magic1, int
+ if ((cmd == LINUX_REBOOT_CMD_POWER_OFF) && !pm_power_off)
+ cmd = LINUX_REBOOT_CMD_HALT;
+
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ return vs_reboot(cmd, arg);
++
+ mutex_lock(&reboot_mutex);
+ switch (cmd) {
+ case LINUX_REBOOT_CMD_RESTART:
+@@ -1286,7 +1299,8 @@ SYSCALL_DEFINE2(sethostname, char __user
+ int errno;
+ char tmp[__NEW_UTS_LEN];
+
+- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
+ return -EPERM;
+
+ if (len < 0 || len > __NEW_UTS_LEN)
+@@ -1337,7 +1351,8 @@ SYSCALL_DEFINE2(setdomainname, char __us
+ int errno;
+ char tmp[__NEW_UTS_LEN];
+
+- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
+ return -EPERM;
+ if (len < 0 || len > __NEW_UTS_LEN)
+ return -EINVAL;
+@@ -1456,7 +1471,7 @@ int do_prlimit(struct task_struct *tsk,
+ /* Keep the capable check against init_user_ns until
+ cgroups can contain all limits */
+ if (new_rlim->rlim_max > rlim->rlim_max &&
+- !capable(CAP_SYS_RESOURCE))
++ !vx_capable(CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
+ retval = -EPERM;
+ if (!retval)
+ retval = security_task_setrlimit(tsk->group_leader,
+@@ -1510,7 +1525,8 @@ static int check_prlimit_permission(stru
+ cred->gid == tcred->sgid &&
+ cred->gid == tcred->gid))
+ return 0;
+- if (ns_capable(tcred->user->user_ns, CAP_SYS_RESOURCE))
++ if (vx_ns_capable(tcred->user->user_ns,
++ CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
+ return 0;
+
+ return -EPERM;
+diff -NurpP --minimal linux-3.4.45/kernel/sysctl.c linux-3.4.45-vs2.3.3.9/kernel/sysctl.c
+--- linux-3.4.45/kernel/sysctl.c 2012-05-21 16:07:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/sysctl.c 2012-05-21 16:15:05.000000000 +0000
+@@ -81,6 +81,7 @@
+ #if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT)
+ #include <linux/lockdep.h>
+ #endif
++extern char vshelper_path[];
+ #ifdef CONFIG_CHR_DEV_SG
+ #include <scsi/sg.h>
+ #endif
+@@ -562,6 +563,13 @@ static struct ctl_table kern_table[] = {
+ .proc_handler = proc_dostring,
+ },
+ #endif
++ {
++ .procname = "vshelper",
++ .data = &vshelper_path,
++ .maxlen = 256,
++ .mode = 0644,
++ .proc_handler = &proc_dostring,
++ },
+ #ifdef CONFIG_CHR_DEV_SG
+ {
+ .procname = "sg-big-buff",
+diff -NurpP --minimal linux-3.4.45/kernel/sysctl_binary.c linux-3.4.45-vs2.3.3.9/kernel/sysctl_binary.c
+--- linux-3.4.45/kernel/sysctl_binary.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/sysctl_binary.c 2013-03-30 21:29:17.000000000 +0000
+@@ -73,6 +73,7 @@ static const struct bin_table bin_kern_t
+
+ { CTL_INT, KERN_PANIC, "panic" },
+ { CTL_INT, KERN_REALROOTDEV, "real-root-dev" },
++ { CTL_STR, KERN_VSHELPER, "vshelper" },
+
+ { CTL_STR, KERN_SPARC_REBOOT, "reboot-cmd" },
+ { CTL_INT, KERN_CTLALTDEL, "ctrl-alt-del" },
+diff -NurpP --minimal linux-3.4.45/kernel/time/timekeeping.c linux-3.4.45-vs2.3.3.9/kernel/time/timekeeping.c
+--- linux-3.4.45/kernel/time/timekeeping.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/time/timekeeping.c 2012-12-08 00:53:53.000000000 +0000
+@@ -254,6 +254,7 @@ void getnstimeofday(struct timespec *ts)
+ } while (read_seqretry(&timekeeper.lock, seq));
+
+ timespec_add_ns(ts, nsecs);
++ vx_adjust_timespec(ts);
+ }
+
+ EXPORT_SYMBOL(getnstimeofday);
+diff -NurpP --minimal linux-3.4.45/kernel/time.c linux-3.4.45-vs2.3.3.9/kernel/time.c
+--- linux-3.4.45/kernel/time.c 2012-05-21 16:07:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/time.c 2012-05-21 16:15:05.000000000 +0000
+@@ -92,7 +92,7 @@ SYSCALL_DEFINE1(stime, time_t __user *,
+ if (err)
+ return err;
+
+- do_settimeofday(&tv);
++ vx_settimeofday(&tv);
+ return 0;
+ }
+
+@@ -172,7 +172,7 @@ int do_sys_settimeofday(const struct tim
+ }
+ }
+ if (tv)
+- return do_settimeofday(tv);
++ return vx_settimeofday(tv);
+ return 0;
+ }
+
+diff -NurpP --minimal linux-3.4.45/kernel/timer.c linux-3.4.45-vs2.3.3.9/kernel/timer.c
+--- linux-3.4.45/kernel/timer.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/timer.c 2012-10-22 13:09:53.000000000 +0000
+@@ -40,6 +40,10 @@
+ #include <linux/irq_work.h>
+ #include <linux/sched.h>
+ #include <linux/slab.h>
++#include <linux/vs_base.h>
++#include <linux/vs_cvirt.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/sched.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+@@ -1388,12 +1392,6 @@ SYSCALL_DEFINE1(alarm, unsigned int, sec
+
+ #endif
+
+-#ifndef __alpha__
+-
+-/*
+- * The Alpha uses getxpid, getxuid, and getxgid instead. Maybe this
+- * should be moved into arch/i386 instead?
+- */
+
+ /**
+ * sys_getpid - return the thread group id of the current process
+@@ -1422,10 +1420,23 @@ SYSCALL_DEFINE0(getppid)
+ rcu_read_lock();
+ pid = task_tgid_vnr(rcu_dereference(current->real_parent));
+ rcu_read_unlock();
++ return vx_map_pid(pid);
++}
+
+- return pid;
++#ifdef __alpha__
++
++/*
++ * The Alpha uses getxpid, getxuid, and getxgid instead.
++ */
++
++asmlinkage long do_getxpid(long *ppid)
++{
++ *ppid = sys_getppid();
++ return sys_getpid();
+ }
+
++#else /* _alpha_ */
++
+ SYSCALL_DEFINE0(getuid)
+ {
+ /* Only we change this so SMP safe */
+diff -NurpP --minimal linux-3.4.45/kernel/user_namespace.c linux-3.4.45-vs2.3.3.9/kernel/user_namespace.c
+--- linux-3.4.45/kernel/user_namespace.c 2012-01-09 15:15:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/user_namespace.c 2012-05-21 16:15:05.000000000 +0000
+@@ -11,6 +11,7 @@
+ #include <linux/user_namespace.h>
+ #include <linux/highuid.h>
+ #include <linux/cred.h>
++#include <linux/vserver/global.h>
+
+ static struct kmem_cache *user_ns_cachep __read_mostly;
+
+@@ -33,6 +34,7 @@ int create_user_ns(struct cred *new)
+ return -ENOMEM;
+
+ kref_init(&ns->kref);
++ atomic_inc(&vs_global_user_ns);
+
+ for (n = 0; n < UIDHASH_SZ; ++n)
+ INIT_HLIST_HEAD(ns->uidhash_table + n);
+@@ -81,6 +83,8 @@ void free_user_ns(struct kref *kref)
+ struct user_namespace *ns =
+ container_of(kref, struct user_namespace, kref);
+
++ /* FIXME: maybe move into destroyer? */
++ atomic_dec(&vs_global_user_ns);
+ INIT_WORK(&ns->destroyer, free_user_ns_work);
+ schedule_work(&ns->destroyer);
+ }
+diff -NurpP --minimal linux-3.4.45/kernel/utsname.c linux-3.4.45-vs2.3.3.9/kernel/utsname.c
+--- linux-3.4.45/kernel/utsname.c 2012-01-09 15:15:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/utsname.c 2012-05-21 16:15:05.000000000 +0000
+@@ -16,14 +16,17 @@
+ #include <linux/slab.h>
+ #include <linux/user_namespace.h>
+ #include <linux/proc_fs.h>
++#include <linux/vserver/global.h>
+
+ static struct uts_namespace *create_uts_ns(void)
+ {
+ struct uts_namespace *uts_ns;
+
+ uts_ns = kmalloc(sizeof(struct uts_namespace), GFP_KERNEL);
+- if (uts_ns)
++ if (uts_ns) {
+ kref_init(&uts_ns->kref);
++ atomic_inc(&vs_global_uts_ns);
++ }
+ return uts_ns;
+ }
+
+@@ -32,8 +35,8 @@ static struct uts_namespace *create_uts_
+ * @old_ns: namespace to clone
+ * Return NULL on error (failure to kmalloc), new ns otherwise
+ */
+-static struct uts_namespace *clone_uts_ns(struct task_struct *tsk,
+- struct uts_namespace *old_ns)
++static struct uts_namespace *clone_uts_ns(struct uts_namespace *old_ns,
++ struct user_namespace *old_user)
+ {
+ struct uts_namespace *ns;
+
+@@ -43,7 +46,7 @@ static struct uts_namespace *clone_uts_n
+
+ down_read(&uts_sem);
+ memcpy(&ns->name, &old_ns->name, sizeof(ns->name));
+- ns->user_ns = get_user_ns(task_cred_xxx(tsk, user)->user_ns);
++ ns->user_ns = get_user_ns(old_user);
+ up_read(&uts_sem);
+ return ns;
+ }
+@@ -55,9 +58,9 @@ static struct uts_namespace *clone_uts_n
+ * versa.
+ */
+ struct uts_namespace *copy_utsname(unsigned long flags,
+- struct task_struct *tsk)
++ struct uts_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+- struct uts_namespace *old_ns = tsk->nsproxy->uts_ns;
+ struct uts_namespace *new_ns;
+
+ BUG_ON(!old_ns);
+@@ -66,7 +69,7 @@ struct uts_namespace *copy_utsname(unsig
+ if (!(flags & CLONE_NEWUTS))
+ return old_ns;
+
+- new_ns = clone_uts_ns(tsk, old_ns);
++ new_ns = clone_uts_ns(old_ns, user_ns);
+
+ put_uts_ns(old_ns);
+ return new_ns;
+@@ -78,6 +81,7 @@ void free_uts_ns(struct kref *kref)
+
+ ns = container_of(kref, struct uts_namespace, kref);
+ put_user_ns(ns->user_ns);
++ atomic_dec(&vs_global_uts_ns);
+ kfree(ns);
+ }
+
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/Kconfig linux-3.4.45-vs2.3.3.9/kernel/vserver/Kconfig
+--- linux-3.4.45/kernel/vserver/Kconfig 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/Kconfig 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,224 @@
++#
++# Linux VServer configuration
++#
++
++menu "Linux VServer"
++
++config VSERVER_AUTO_LBACK
++ bool "Automatically Assign Loopback IP"
++ default y
++ help
++ Automatically assign a guest specific loopback
++ IP and add it to the kernel network stack on
++ startup.
++
++config VSERVER_AUTO_SINGLE
++ bool "Automatic Single IP Special Casing"
++ depends on EXPERIMENTAL
++ default y
++ help
++ This allows network contexts with a single IP to
++ automatically remap 0.0.0.0 bindings to that IP,
++ avoiding further network checks and improving
++ performance.
++
++ (note: such guests do not allow to change the ip
++ on the fly and do not show loopback addresses)
++
++config VSERVER_COWBL
++ bool "Enable COW Immutable Link Breaking"
++ default y
++ help
++ This enables the COW (Copy-On-Write) link break code.
++ It allows you to treat unified files like normal files
++ when writing to them (which will implicitely break the
++ link and create a copy of the unified file)
++
++config VSERVER_VTIME
++ bool "Enable Virtualized Guest Time"
++ depends on EXPERIMENTAL
++ default n
++ help
++ This enables per guest time offsets to allow for
++ adjusting the system clock individually per guest.
++ this adds some overhead to the time functions and
++ therefore should not be enabled without good reason.
++
++config VSERVER_DEVICE
++ bool "Enable Guest Device Mapping"
++ depends on EXPERIMENTAL
++ default n
++ help
++ This enables generic device remapping.
++
++config VSERVER_PROC_SECURE
++ bool "Enable Proc Security"
++ depends on PROC_FS
++ default y
++ help
++ This configures ProcFS security to initially hide
++ non-process entries for all contexts except the main and
++ spectator context (i.e. for all guests), which is a secure
++ default.
++
++ (note: on 1.2x the entries were visible by default)
++
++choice
++ prompt "Persistent Inode Tagging"
++ default TAGGING_ID24
++ help
++ This adds persistent context information to filesystems
++ mounted with the tagxid option. Tagging is a requirement
++ for per-context disk limits and per-context quota.
++
++
++config TAGGING_NONE
++ bool "Disabled"
++ help
++ do not store per-context information in inodes.
++
++config TAGGING_UID16
++ bool "UID16/GID32"
++ help
++ reduces UID to 16 bit, but leaves GID at 32 bit.
++
++config TAGGING_GID16
++ bool "UID32/GID16"
++ help
++ reduces GID to 16 bit, but leaves UID at 32 bit.
++
++config TAGGING_ID24
++ bool "UID24/GID24"
++ help
++ uses the upper 8bit from UID and GID for XID tagging
++ which leaves 24bit for UID/GID each, which should be
++ more than sufficient for normal use.
++
++config TAGGING_INTERN
++ bool "UID32/GID32"
++ help
++ this uses otherwise reserved inode fields in the on
++ disk representation, which limits the use to a few
++ filesystems (currently ext2 and ext3)
++
++endchoice
++
++config TAG_NFSD
++ bool "Tag NFSD User Auth and Files"
++ default n
++ help
++ Enable this if you do want the in-kernel NFS
++ Server to use the tagging specified above.
++ (will require patched clients too)
++
++config VSERVER_PRIVACY
++ bool "Honor Privacy Aspects of Guests"
++ default n
++ help
++ When enabled, most context checks will disallow
++ access to structures assigned to a specific context,
++ like ptys or loop devices.
++
++config VSERVER_CONTEXTS
++ int "Maximum number of Contexts (1-65533)" if EMBEDDED
++ range 1 65533
++ default "768" if 64BIT
++ default "256"
++ help
++ This setting will optimize certain data structures
++ and memory allocations according to the expected
++ maximum.
++
++ note: this is not a strict upper limit.
++
++config VSERVER_WARN
++ bool "VServer Warnings"
++ default y
++ help
++ This enables various runtime warnings, which will
++ notify about potential manipulation attempts or
++ resource shortage. It is generally considered to
++ be a good idea to have that enabled.
++
++config VSERVER_WARN_DEVPTS
++ bool "VServer DevPTS Warnings"
++ depends on VSERVER_WARN
++ default y
++ help
++ This enables DevPTS related warnings, issued when a
++ process inside a context tries to lookup or access
++ a dynamic pts from the host or a different context.
++
++config VSERVER_DEBUG
++ bool "VServer Debugging Code"
++ default n
++ help
++ Set this to yes if you want to be able to activate
++ debugging output at runtime. It adds a very small
++ overhead to all vserver related functions and
++ increases the kernel size by about 20k.
++
++config VSERVER_HISTORY
++ bool "VServer History Tracing"
++ depends on VSERVER_DEBUG
++ default n
++ help
++ Set this to yes if you want to record the history of
++ linux-vserver activities, so they can be replayed in
++ the event of a kernel panic or oops.
++
++config VSERVER_HISTORY_SIZE
++ int "Per-CPU History Size (32-65536)"
++ depends on VSERVER_HISTORY
++ range 32 65536
++ default 64
++ help
++ This allows you to specify the number of entries in
++ the per-CPU history buffer.
++
++choice
++ prompt "Quotes used in debug and warn messages"
++ default QUOTES_ISO8859
++
++config QUOTES_ISO8859
++ bool "Extended ASCII (ISO 8859) angle quotes"
++ help
++ This uses the extended ASCII characters \xbb
++ and \xab for quoting file and process names.
++
++config QUOTES_UTF8
++ bool "UTF-8 angle quotes"
++ help
++ This uses the the UTF-8 sequences for angle
++ quotes to quote file and process names.
++
++config QUOTES_ASCII
++ bool "ASCII single quotes"
++ help
++ This uses the ASCII single quote character
++ (\x27) to quote file and process names.
++
++endchoice
++
++endmenu
++
++
++config VSERVER
++ bool
++ default y
++ select NAMESPACES
++ select UTS_NS
++ select IPC_NS
++# select USER_NS
++ select SYSVIPC
++
++config VSERVER_SECURITY
++ bool
++ depends on SECURITY
++ default y
++ select SECURITY_CAPABILITIES
++
++config VSERVER_DISABLED
++ bool
++ default n
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/Makefile linux-3.4.45-vs2.3.3.9/kernel/vserver/Makefile
+--- linux-3.4.45/kernel/vserver/Makefile 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/Makefile 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,18 @@
++#
++# Makefile for the Linux vserver routines.
++#
++
++
++obj-y += vserver.o
++
++vserver-y := switch.o context.o space.o sched.o network.o inode.o \
++ limit.o cvirt.o cacct.o signal.o helper.o init.o \
++ dlimit.o tag.o
++
++vserver-$(CONFIG_INET) += inet.o
++vserver-$(CONFIG_PROC_FS) += proc.o
++vserver-$(CONFIG_VSERVER_DEBUG) += sysctl.o debug.o
++vserver-$(CONFIG_VSERVER_HISTORY) += history.o
++vserver-$(CONFIG_VSERVER_MONITOR) += monitor.o
++vserver-$(CONFIG_VSERVER_DEVICE) += device.o
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/cacct.c linux-3.4.45-vs2.3.3.9/kernel/vserver/cacct.c
+--- linux-3.4.45/kernel/vserver/cacct.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/cacct.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,42 @@
++/*
++ * linux/kernel/vserver/cacct.c
++ *
++ * Virtual Server: Context Accounting
++ *
++ * Copyright (C) 2006-2007 Herbert Pötzl
++ *
++ * V0.01 added accounting stats
++ *
++ */
++
++#include <linux/types.h>
++#include <linux/vs_context.h>
++#include <linux/vserver/cacct_cmd.h>
++#include <linux/vserver/cacct_int.h>
++
++#include <asm/errno.h>
++#include <asm/uaccess.h>
++
++
++int vc_sock_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_sock_stat_v0 vc_data;
++ int j, field;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ field = vc_data.field;
++ if ((field < 0) || (field >= VXA_SOCK_SIZE))
++ return -EINVAL;
++
++ for (j = 0; j < 3; j++) {
++ vc_data.count[j] = vx_sock_count(&vxi->cacct, field, j);
++ vc_data.total[j] = vx_sock_total(&vxi->cacct, field, j);
++ }
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/cacct_init.h linux-3.4.45-vs2.3.3.9/kernel/vserver/cacct_init.h
+--- linux-3.4.45/kernel/vserver/cacct_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/cacct_init.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,25 @@
++
++
++static inline void vx_info_init_cacct(struct _vx_cacct *cacct)
++{
++ int i, j;
++
++
++ for (i = 0; i < VXA_SOCK_SIZE; i++) {
++ for (j = 0; j < 3; j++) {
++ atomic_long_set(&cacct->sock[i][j].count, 0);
++ atomic_long_set(&cacct->sock[i][j].total, 0);
++ }
++ }
++ for (i = 0; i < 8; i++)
++ atomic_set(&cacct->slab[i], 0);
++ for (i = 0; i < 5; i++)
++ for (j = 0; j < 4; j++)
++ atomic_set(&cacct->page[i][j], 0);
++}
++
++static inline void vx_info_exit_cacct(struct _vx_cacct *cacct)
++{
++ return;
++}
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/cacct_proc.h linux-3.4.45-vs2.3.3.9/kernel/vserver/cacct_proc.h
+--- linux-3.4.45/kernel/vserver/cacct_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/cacct_proc.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,53 @@
++#ifndef _VX_CACCT_PROC_H
++#define _VX_CACCT_PROC_H
++
++#include <linux/vserver/cacct_int.h>
++
++
++#define VX_SOCKA_TOP \
++ "Type\t recv #/bytes\t\t send #/bytes\t\t fail #/bytes\n"
++
++static inline int vx_info_proc_cacct(struct _vx_cacct *cacct, char *buffer)
++{
++ int i, j, length = 0;
++ static char *type[VXA_SOCK_SIZE] = {
++ "UNSPEC", "UNIX", "INET", "INET6", "PACKET", "OTHER"
++ };
++
++ length += sprintf(buffer + length, VX_SOCKA_TOP);
++ for (i = 0; i < VXA_SOCK_SIZE; i++) {
++ length += sprintf(buffer + length, "%s:", type[i]);
++ for (j = 0; j < 3; j++) {
++ length += sprintf(buffer + length,
++ "\t%10lu/%-10lu",
++ vx_sock_count(cacct, i, j),
++ vx_sock_total(cacct, i, j));
++ }
++ buffer[length++] = '\n';
++ }
++
++ length += sprintf(buffer + length, "\n");
++ length += sprintf(buffer + length,
++ "slab:\t %8u %8u %8u %8u\n",
++ atomic_read(&cacct->slab[1]),
++ atomic_read(&cacct->slab[4]),
++ atomic_read(&cacct->slab[0]),
++ atomic_read(&cacct->slab[2]));
++
++ length += sprintf(buffer + length, "\n");
++ for (i = 0; i < 5; i++) {
++ length += sprintf(buffer + length,
++ "page[%d]: %8u %8u %8u %8u\t %8u %8u %8u %8u\n", i,
++ atomic_read(&cacct->page[i][0]),
++ atomic_read(&cacct->page[i][1]),
++ atomic_read(&cacct->page[i][2]),
++ atomic_read(&cacct->page[i][3]),
++ atomic_read(&cacct->page[i][4]),
++ atomic_read(&cacct->page[i][5]),
++ atomic_read(&cacct->page[i][6]),
++ atomic_read(&cacct->page[i][7]));
++ }
++ return length;
++}
++
++#endif /* _VX_CACCT_PROC_H */
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/context.c linux-3.4.45-vs2.3.3.9/kernel/vserver/context.c
+--- linux-3.4.45/kernel/vserver/context.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/context.c 2012-06-28 14:45:48.000000000 +0000
+@@ -0,0 +1,1119 @@
++/*
++ * linux/kernel/vserver/context.c
++ *
++ * Virtual Server: Context Support
++ *
++ * Copyright (C) 2003-2011 Herbert Pötzl
++ *
++ * V0.01 context helper
++ * V0.02 vx_ctx_kill syscall command
++ * V0.03 replaced context_info calls
++ * V0.04 redesign of struct (de)alloc
++ * V0.05 rlimit basic implementation
++ * V0.06 task_xid and info commands
++ * V0.07 context flags and caps
++ * V0.08 switch to RCU based hash
++ * V0.09 revert to non RCU for now
++ * V0.10 and back to working RCU hash
++ * V0.11 and back to locking again
++ * V0.12 referenced context store
++ * V0.13 separate per cpu data
++ * V0.14 changed vcmds to vxi arg
++ * V0.15 added context stat
++ * V0.16 have __create claim() the vxi
++ * V0.17 removed older and legacy stuff
++ * V0.18 added user credentials
++ * V0.19 added warn mask
++ *
++ */
++
++#include <linux/slab.h>
++#include <linux/types.h>
++#include <linux/security.h>
++#include <linux/pid_namespace.h>
++#include <linux/capability.h>
++
++#include <linux/vserver/context.h>
++#include <linux/vserver/network.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/limit.h>
++#include <linux/vserver/limit_int.h>
++#include <linux/vserver/space.h>
++#include <linux/init_task.h>
++#include <linux/fs_struct.h>
++#include <linux/cred.h>
++
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/context_cmd.h>
++
++#include "cvirt_init.h"
++#include "cacct_init.h"
++#include "limit_init.h"
++#include "sched_init.h"
++
++
++atomic_t vx_global_ctotal = ATOMIC_INIT(0);
++atomic_t vx_global_cactive = ATOMIC_INIT(0);
++
++
++/* now inactive context structures */
++
++static struct hlist_head vx_info_inactive = HLIST_HEAD_INIT;
++
++static DEFINE_SPINLOCK(vx_info_inactive_lock);
++
++
++/* __alloc_vx_info()
++
++ * allocate an initialized vx_info struct
++ * doesn't make it visible (hash) */
++
++static struct vx_info *__alloc_vx_info(xid_t xid)
++{
++ struct vx_info *new = NULL;
++ int cpu, index;
++
++ vxdprintk(VXD_CBIT(xid, 0), "alloc_vx_info(%d)*", xid);
++
++ /* would this benefit from a slab cache? */
++ new = kmalloc(sizeof(struct vx_info), GFP_KERNEL);
++ if (!new)
++ return 0;
++
++ memset(new, 0, sizeof(struct vx_info));
++#ifdef CONFIG_SMP
++ new->ptr_pc = alloc_percpu(struct _vx_info_pc);
++ if (!new->ptr_pc)
++ goto error;
++#endif
++ new->vx_id = xid;
++ INIT_HLIST_NODE(&new->vx_hlist);
++ atomic_set(&new->vx_usecnt, 0);
++ atomic_set(&new->vx_tasks, 0);
++ new->vx_parent = NULL;
++ new->vx_state = 0;
++ init_waitqueue_head(&new->vx_wait);
++
++ /* prepare reaper */
++ get_task_struct(init_pid_ns.child_reaper);
++ new->vx_reaper = init_pid_ns.child_reaper;
++ new->vx_badness_bias = 0;
++
++ /* rest of init goes here */
++ vx_info_init_limit(&new->limit);
++ vx_info_init_sched(&new->sched);
++ vx_info_init_cvirt(&new->cvirt);
++ vx_info_init_cacct(&new->cacct);
++
++ /* per cpu data structures */
++ for_each_possible_cpu(cpu) {
++ vx_info_init_sched_pc(
++ &vx_per_cpu(new, sched_pc, cpu), cpu);
++ vx_info_init_cvirt_pc(
++ &vx_per_cpu(new, cvirt_pc, cpu), cpu);
++ }
++
++ new->vx_flags = VXF_INIT_SET;
++ new->vx_bcaps = CAP_FULL_SET; // maybe ~CAP_SETPCAP
++ new->vx_ccaps = 0;
++ new->vx_umask = 0;
++ new->vx_wmask = 0;
++
++ new->reboot_cmd = 0;
++ new->exit_code = 0;
++
++ // preconfig spaces
++ for (index = 0; index < VX_SPACES; index++) {
++ struct _vx_space *space = &new->space[index];
++
++ // filesystem
++ spin_lock(&init_fs.lock);
++ init_fs.users++;
++ spin_unlock(&init_fs.lock);
++ space->vx_fs = &init_fs;
++
++ /* FIXME: do we want defaults? */
++ // space->vx_real_cred = 0;
++ // space->vx_cred = 0;
++ }
++
++
++ vxdprintk(VXD_CBIT(xid, 0),
++ "alloc_vx_info(%d) = %p", xid, new);
++ vxh_alloc_vx_info(new);
++ atomic_inc(&vx_global_ctotal);
++ return new;
++#ifdef CONFIG_SMP
++error:
++ kfree(new);
++ return 0;
++#endif
++}
++
++/* __dealloc_vx_info()
++
++ * final disposal of vx_info */
++
++static void __dealloc_vx_info(struct vx_info *vxi)
++{
++#ifdef CONFIG_VSERVER_WARN
++ struct vx_info_save vxis;
++ int cpu;
++#endif
++ vxdprintk(VXD_CBIT(xid, 0),
++ "dealloc_vx_info(%p)", vxi);
++ vxh_dealloc_vx_info(vxi);
++
++#ifdef CONFIG_VSERVER_WARN
++ enter_vx_info(vxi, &vxis);
++ vx_info_exit_limit(&vxi->limit);
++ vx_info_exit_sched(&vxi->sched);
++ vx_info_exit_cvirt(&vxi->cvirt);
++ vx_info_exit_cacct(&vxi->cacct);
++
++ for_each_possible_cpu(cpu) {
++ vx_info_exit_sched_pc(
++ &vx_per_cpu(vxi, sched_pc, cpu), cpu);
++ vx_info_exit_cvirt_pc(
++ &vx_per_cpu(vxi, cvirt_pc, cpu), cpu);
++ }
++ leave_vx_info(&vxis);
++#endif
++
++ vxi->vx_id = -1;
++ vxi->vx_state |= VXS_RELEASED;
++
++#ifdef CONFIG_SMP
++ free_percpu(vxi->ptr_pc);
++#endif
++ kfree(vxi);
++ atomic_dec(&vx_global_ctotal);
++}
++
++static void __shutdown_vx_info(struct vx_info *vxi)
++{
++ struct nsproxy *nsproxy;
++ struct fs_struct *fs;
++ struct cred *cred;
++ int index, kill;
++
++ might_sleep();
++
++ vxi->vx_state |= VXS_SHUTDOWN;
++ vs_state_change(vxi, VSC_SHUTDOWN);
++
++ for (index = 0; index < VX_SPACES; index++) {
++ struct _vx_space *space = &vxi->space[index];
++
++ nsproxy = xchg(&space->vx_nsproxy, NULL);
++ if (nsproxy)
++ put_nsproxy(nsproxy);
++
++ fs = xchg(&space->vx_fs, NULL);
++ spin_lock(&fs->lock);
++ kill = !--fs->users;
++ spin_unlock(&fs->lock);
++ if (kill)
++ free_fs_struct(fs);
++
++ cred = (struct cred *)xchg(&space->vx_cred, NULL);
++ if (cred)
++ abort_creds(cred);
++ }
++}
++
++/* exported stuff */
++
++void free_vx_info(struct vx_info *vxi)
++{
++ unsigned long flags;
++ unsigned index;
++
++ /* check for reference counts first */
++ BUG_ON(atomic_read(&vxi->vx_usecnt));
++ BUG_ON(atomic_read(&vxi->vx_tasks));
++
++ /* context must not be hashed */
++ BUG_ON(vx_info_state(vxi, VXS_HASHED));
++
++ /* context shutdown is mandatory */
++ BUG_ON(!vx_info_state(vxi, VXS_SHUTDOWN));
++
++ /* spaces check */
++ for (index = 0; index < VX_SPACES; index++) {
++ struct _vx_space *space = &vxi->space[index];
++
++ BUG_ON(space->vx_nsproxy);
++ BUG_ON(space->vx_fs);
++ // BUG_ON(space->vx_real_cred);
++ // BUG_ON(space->vx_cred);
++ }
++
++ spin_lock_irqsave(&vx_info_inactive_lock, flags);
++ hlist_del(&vxi->vx_hlist);
++ spin_unlock_irqrestore(&vx_info_inactive_lock, flags);
++
++ __dealloc_vx_info(vxi);
++}
++
++
++/* hash table for vx_info hash */
++
++#define VX_HASH_SIZE 13
++
++static struct hlist_head vx_info_hash[VX_HASH_SIZE] =
++ { [0 ... VX_HASH_SIZE-1] = HLIST_HEAD_INIT };
++
++static DEFINE_SPINLOCK(vx_info_hash_lock);
++
++
++static inline unsigned int __hashval(xid_t xid)
++{
++ return (xid % VX_HASH_SIZE);
++}
++
++
++
++/* __hash_vx_info()
++
++ * add the vxi to the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __hash_vx_info(struct vx_info *vxi)
++{
++ struct hlist_head *head;
++
++ vxd_assert_lock(&vx_info_hash_lock);
++ vxdprintk(VXD_CBIT(xid, 4),
++ "__hash_vx_info: %p[#%d]", vxi, vxi->vx_id);
++ vxh_hash_vx_info(vxi);
++
++ /* context must not be hashed */
++ BUG_ON(vx_info_state(vxi, VXS_HASHED));
++
++ vxi->vx_state |= VXS_HASHED;
++ head = &vx_info_hash[__hashval(vxi->vx_id)];
++ hlist_add_head(&vxi->vx_hlist, head);
++ atomic_inc(&vx_global_cactive);
++}
++
++/* __unhash_vx_info()
++
++ * remove the vxi from the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __unhash_vx_info(struct vx_info *vxi)
++{
++ unsigned long flags;
++
++ vxd_assert_lock(&vx_info_hash_lock);
++ vxdprintk(VXD_CBIT(xid, 4),
++ "__unhash_vx_info: %p[#%d.%d.%d]", vxi, vxi->vx_id,
++ atomic_read(&vxi->vx_usecnt), atomic_read(&vxi->vx_tasks));
++ vxh_unhash_vx_info(vxi);
++
++ /* context must be hashed */
++ BUG_ON(!vx_info_state(vxi, VXS_HASHED));
++ /* but without tasks */
++ BUG_ON(atomic_read(&vxi->vx_tasks));
++
++ vxi->vx_state &= ~VXS_HASHED;
++ hlist_del_init(&vxi->vx_hlist);
++ spin_lock_irqsave(&vx_info_inactive_lock, flags);
++ hlist_add_head(&vxi->vx_hlist, &vx_info_inactive);
++ spin_unlock_irqrestore(&vx_info_inactive_lock, flags);
++ atomic_dec(&vx_global_cactive);
++}
++
++
++/* __lookup_vx_info()
++
++ * requires the hash_lock to be held
++ * doesn't increment the vx_refcnt */
++
++static inline struct vx_info *__lookup_vx_info(xid_t xid)
++{
++ struct hlist_head *head = &vx_info_hash[__hashval(xid)];
++ struct hlist_node *pos;
++ struct vx_info *vxi;
++
++ vxd_assert_lock(&vx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ vxi = hlist_entry(pos, struct vx_info, vx_hlist);
++
++ if (vxi->vx_id == xid)
++ goto found;
++ }
++ vxi = NULL;
++found:
++ vxdprintk(VXD_CBIT(xid, 0),
++ "__lookup_vx_info(#%u): %p[#%u]",
++ xid, vxi, vxi ? vxi->vx_id : 0);
++ vxh_lookup_vx_info(vxi, xid);
++ return vxi;
++}
++
++
++/* __create_vx_info()
++
++ * create the requested context
++ * get(), claim() and hash it */
++
++static struct vx_info *__create_vx_info(int id)
++{
++ struct vx_info *new, *vxi = NULL;
++
++ vxdprintk(VXD_CBIT(xid, 1), "create_vx_info(%d)*", id);
++
++ if (!(new = __alloc_vx_info(id)))
++ return ERR_PTR(-ENOMEM);
++
++ /* required to make dynamic xids unique */
++ spin_lock(&vx_info_hash_lock);
++
++ /* static context requested */
++ if ((vxi = __lookup_vx_info(id))) {
++ vxdprintk(VXD_CBIT(xid, 0),
++ "create_vx_info(%d) = %p (already there)", id, vxi);
++ if (vx_info_flags(vxi, VXF_STATE_SETUP, 0))
++ vxi = ERR_PTR(-EBUSY);
++ else
++ vxi = ERR_PTR(-EEXIST);
++ goto out_unlock;
++ }
++ /* new context */
++ vxdprintk(VXD_CBIT(xid, 0),
++ "create_vx_info(%d) = %p (new)", id, new);
++ claim_vx_info(new, NULL);
++ __hash_vx_info(get_vx_info(new));
++ vxi = new, new = NULL;
++
++out_unlock:
++ spin_unlock(&vx_info_hash_lock);
++ vxh_create_vx_info(IS_ERR(vxi) ? NULL : vxi, id);
++ if (new)
++ __dealloc_vx_info(new);
++ return vxi;
++}
++
++
++/* exported stuff */
++
++
++void unhash_vx_info(struct vx_info *vxi)
++{
++ spin_lock(&vx_info_hash_lock);
++ __unhash_vx_info(vxi);
++ spin_unlock(&vx_info_hash_lock);
++ __shutdown_vx_info(vxi);
++ __wakeup_vx_info(vxi);
++}
++
++
++/* lookup_vx_info()
++
++ * search for a vx_info and get() it
++ * negative id means current */
++
++struct vx_info *lookup_vx_info(int id)
++{
++ struct vx_info *vxi = NULL;
++
++ if (id < 0) {
++ vxi = get_vx_info(current_vx_info());
++ } else if (id > 1) {
++ spin_lock(&vx_info_hash_lock);
++ vxi = get_vx_info(__lookup_vx_info(id));
++ spin_unlock(&vx_info_hash_lock);
++ }
++ return vxi;
++}
++
++/* xid_is_hashed()
++
++ * verify that xid is still hashed */
++
++int xid_is_hashed(xid_t xid)
++{
++ int hashed;
++
++ spin_lock(&vx_info_hash_lock);
++ hashed = (__lookup_vx_info(xid) != NULL);
++ spin_unlock(&vx_info_hash_lock);
++ return hashed;
++}
++
++#ifdef CONFIG_PROC_FS
++
++/* get_xid_list()
++
++ * get a subset of hashed xids for proc
++ * assumes size is at least one */
++
++int get_xid_list(int index, unsigned int *xids, int size)
++{
++ int hindex, nr_xids = 0;
++
++ /* only show current and children */
++ if (!vx_check(0, VS_ADMIN | VS_WATCH)) {
++ if (index > 0)
++ return 0;
++ xids[nr_xids] = vx_current_xid();
++ return 1;
++ }
++
++ for (hindex = 0; hindex < VX_HASH_SIZE; hindex++) {
++ struct hlist_head *head = &vx_info_hash[hindex];
++ struct hlist_node *pos;
++
++ spin_lock(&vx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ struct vx_info *vxi;
++
++ if (--index > 0)
++ continue;
++
++ vxi = hlist_entry(pos, struct vx_info, vx_hlist);
++ xids[nr_xids] = vxi->vx_id;
++ if (++nr_xids >= size) {
++ spin_unlock(&vx_info_hash_lock);
++ goto out;
++ }
++ }
++ /* keep the lock time short */
++ spin_unlock(&vx_info_hash_lock);
++ }
++out:
++ return nr_xids;
++}
++#endif
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++void dump_vx_info_inactive(int level)
++{
++ struct hlist_node *entry, *next;
++
++ hlist_for_each_safe(entry, next, &vx_info_inactive) {
++ struct vx_info *vxi =
++ list_entry(entry, struct vx_info, vx_hlist);
++
++ dump_vx_info(vxi, level);
++ }
++}
++
++#endif
++
++#if 0
++int vx_migrate_user(struct task_struct *p, struct vx_info *vxi)
++{
++ struct user_struct *new_user, *old_user;
++
++ if (!p || !vxi)
++ BUG();
++
++ if (vx_info_flags(vxi, VXF_INFO_PRIVATE, 0))
++ return -EACCES;
++
++ new_user = alloc_uid(vxi->vx_id, p->uid);
++ if (!new_user)
++ return -ENOMEM;
++
++ old_user = p->user;
++ if (new_user != old_user) {
++ atomic_inc(&new_user->processes);
++ atomic_dec(&old_user->processes);
++ p->user = new_user;
++ }
++ free_uid(old_user);
++ return 0;
++}
++#endif
++
++#if 0
++void vx_mask_cap_bset(struct vx_info *vxi, struct task_struct *p)
++{
++ // p->cap_effective &= vxi->vx_cap_bset;
++ p->cap_effective =
++ cap_intersect(p->cap_effective, vxi->cap_bset);
++ // p->cap_inheritable &= vxi->vx_cap_bset;
++ p->cap_inheritable =
++ cap_intersect(p->cap_inheritable, vxi->cap_bset);
++ // p->cap_permitted &= vxi->vx_cap_bset;
++ p->cap_permitted =
++ cap_intersect(p->cap_permitted, vxi->cap_bset);
++}
++#endif
++
++
++#include <linux/file.h>
++#include <linux/fdtable.h>
++
++static int vx_openfd_task(struct task_struct *tsk)
++{
++ struct files_struct *files = tsk->files;
++ struct fdtable *fdt;
++ const unsigned long *bptr;
++ int count, total;
++
++ /* no rcu_read_lock() because of spin_lock() */
++ spin_lock(&files->file_lock);
++ fdt = files_fdtable(files);
++ bptr = fdt->open_fds;
++ count = fdt->max_fds / (sizeof(unsigned long) * 8);
++ for (total = 0; count > 0; count--) {
++ if (*bptr)
++ total += hweight_long(*bptr);
++ bptr++;
++ }
++ spin_unlock(&files->file_lock);
++ return total;
++}
++
++
++/* for *space compatibility */
++
++asmlinkage long sys_unshare(unsigned long);
++
++/*
++ * migrate task to new context
++ * gets vxi, puts old_vxi on change
++ * optionally unshares namespaces (hack)
++ */
++
++int vx_migrate_task(struct task_struct *p, struct vx_info *vxi, int unshare)
++{
++ struct vx_info *old_vxi;
++ int ret = 0;
++
++ if (!p || !vxi)
++ BUG();
++
++ vxdprintk(VXD_CBIT(xid, 5),
++ "vx_migrate_task(%p,%p[#%d.%d])", p, vxi,
++ vxi->vx_id, atomic_read(&vxi->vx_usecnt));
++
++ if (vx_info_flags(vxi, VXF_INFO_PRIVATE, 0) &&
++ !vx_info_flags(vxi, VXF_STATE_SETUP, 0))
++ return -EACCES;
++
++ if (vx_info_state(vxi, VXS_SHUTDOWN))
++ return -EFAULT;
++
++ old_vxi = task_get_vx_info(p);
++ if (old_vxi == vxi)
++ goto out;
++
++// if (!(ret = vx_migrate_user(p, vxi))) {
++ {
++ int openfd;
++
++ task_lock(p);
++ openfd = vx_openfd_task(p);
++
++ if (old_vxi) {
++ atomic_dec(&old_vxi->cvirt.nr_threads);
++ atomic_dec(&old_vxi->cvirt.nr_running);
++ __rlim_dec(&old_vxi->limit, RLIMIT_NPROC);
++ /* FIXME: what about the struct files here? */
++ __rlim_sub(&old_vxi->limit, VLIMIT_OPENFD, openfd);
++ /* account for the executable */
++ __rlim_dec(&old_vxi->limit, VLIMIT_DENTRY);
++ }
++ atomic_inc(&vxi->cvirt.nr_threads);
++ atomic_inc(&vxi->cvirt.nr_running);
++ __rlim_inc(&vxi->limit, RLIMIT_NPROC);
++ /* FIXME: what about the struct files here? */
++ __rlim_add(&vxi->limit, VLIMIT_OPENFD, openfd);
++ /* account for the executable */
++ __rlim_inc(&vxi->limit, VLIMIT_DENTRY);
++
++ if (old_vxi) {
++ release_vx_info(old_vxi, p);
++ clr_vx_info(&p->vx_info);
++ }
++ claim_vx_info(vxi, p);
++ set_vx_info(&p->vx_info, vxi);
++ p->xid = vxi->vx_id;
++
++ vxdprintk(VXD_CBIT(xid, 5),
++ "moved task %p into vxi:%p[#%d]",
++ p, vxi, vxi->vx_id);
++
++ // vx_mask_cap_bset(vxi, p);
++ task_unlock(p);
++
++ /* hack for *spaces to provide compatibility */
++ if (unshare) {
++ struct nsproxy *old_nsp, *new_nsp;
++
++ ret = unshare_nsproxy_namespaces(
++ CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER,
++ &new_nsp, NULL);
++ if (ret)
++ goto out;
++
++ old_nsp = xchg(&p->nsproxy, new_nsp);
++ vx_set_space(vxi,
++ CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER, 0);
++ put_nsproxy(old_nsp);
++ }
++ }
++out:
++ put_vx_info(old_vxi);
++ return ret;
++}
++
++int vx_set_reaper(struct vx_info *vxi, struct task_struct *p)
++{
++ struct task_struct *old_reaper;
++ struct vx_info *reaper_vxi;
++
++ if (!vxi)
++ return -EINVAL;
++
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_set_reaper(%p[#%d],%p[#%d,%d])",
++ vxi, vxi->vx_id, p, p->xid, p->pid);
++
++ old_reaper = vxi->vx_reaper;
++ if (old_reaper == p)
++ return 0;
++
++ reaper_vxi = task_get_vx_info(p);
++ if (reaper_vxi && reaper_vxi != vxi) {
++ vxwprintk(1,
++ "Unsuitable reaper [" VS_Q("%s") ",%u:#%u] "
++ "for [xid #%u]",
++ p->comm, p->pid, p->xid, vx_current_xid());
++ goto out;
++ }
++
++ /* set new child reaper */
++ get_task_struct(p);
++ vxi->vx_reaper = p;
++ put_task_struct(old_reaper);
++out:
++ put_vx_info(reaper_vxi);
++ return 0;
++}
++
++int vx_set_init(struct vx_info *vxi, struct task_struct *p)
++{
++ if (!vxi)
++ return -EINVAL;
++
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_set_init(%p[#%d],%p[#%d,%d,%d])",
++ vxi, vxi->vx_id, p, p->xid, p->pid, p->tgid);
++
++ vxi->vx_flags &= ~VXF_STATE_INIT;
++ // vxi->vx_initpid = p->tgid;
++ vxi->vx_initpid = p->pid;
++ return 0;
++}
++
++void vx_exit_init(struct vx_info *vxi, struct task_struct *p, int code)
++{
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_exit_init(%p[#%d],%p[#%d,%d,%d])",
++ vxi, vxi->vx_id, p, p->xid, p->pid, p->tgid);
++
++ vxi->exit_code = code;
++ vxi->vx_initpid = 0;
++}
++
++
++void vx_set_persistent(struct vx_info *vxi)
++{
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_set_persistent(%p[#%d])", vxi, vxi->vx_id);
++
++ get_vx_info(vxi);
++ claim_vx_info(vxi, NULL);
++}
++
++void vx_clear_persistent(struct vx_info *vxi)
++{
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_clear_persistent(%p[#%d])", vxi, vxi->vx_id);
++
++ release_vx_info(vxi, NULL);
++ put_vx_info(vxi);
++}
++
++void vx_update_persistent(struct vx_info *vxi)
++{
++ if (vx_info_flags(vxi, VXF_PERSISTENT, 0))
++ vx_set_persistent(vxi);
++ else
++ vx_clear_persistent(vxi);
++}
++
++
++/* task must be current or locked */
++
++void exit_vx_info(struct task_struct *p, int code)
++{
++ struct vx_info *vxi = p->vx_info;
++
++ if (vxi) {
++ atomic_dec(&vxi->cvirt.nr_threads);
++ vx_nproc_dec(p);
++
++ vxi->exit_code = code;
++ release_vx_info(vxi, p);
++ }
++}
++
++void exit_vx_info_early(struct task_struct *p, int code)
++{
++ struct vx_info *vxi = p->vx_info;
++
++ if (vxi) {
++ if (vxi->vx_initpid == p->pid)
++ vx_exit_init(vxi, p, code);
++ if (vxi->vx_reaper == p)
++ vx_set_reaper(vxi, init_pid_ns.child_reaper);
++ }
++}
++
++
++/* vserver syscall commands below here */
++
++/* taks xid and vx_info functions */
++
++#include <asm/uaccess.h>
++
++
++int vc_task_xid(uint32_t id)
++{
++ xid_t xid;
++
++ if (id) {
++ struct task_struct *tsk;
++
++ rcu_read_lock();
++ tsk = find_task_by_real_pid(id);
++ xid = (tsk) ? tsk->xid : -ESRCH;
++ rcu_read_unlock();
++ } else
++ xid = vx_current_xid();
++ return xid;
++}
++
++
++int vc_vx_info(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_vx_info_v0 vc_data;
++
++ vc_data.xid = vxi->vx_id;
++ vc_data.initpid = vxi->vx_initpid;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++int vc_ctx_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_stat_v0 vc_data;
++
++ vc_data.usecnt = atomic_read(&vxi->vx_usecnt);
++ vc_data.tasks = atomic_read(&vxi->vx_tasks);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++/* context functions */
++
++int vc_ctx_create(uint32_t xid, void __user *data)
++{
++ struct vcmd_ctx_create vc_data = { .flagword = VXF_INIT_SET };
++ struct vx_info *new_vxi;
++ int ret;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if ((xid > MAX_S_CONTEXT) || (xid < 2))
++ return -EINVAL;
++
++ new_vxi = __create_vx_info(xid);
++ if (IS_ERR(new_vxi))
++ return PTR_ERR(new_vxi);
++
++ /* initial flags */
++ new_vxi->vx_flags = vc_data.flagword;
++
++ ret = -ENOEXEC;
++ if (vs_state_change(new_vxi, VSC_STARTUP))
++ goto out;
++
++ ret = vx_migrate_task(current, new_vxi, (!data));
++ if (ret)
++ goto out;
++
++ /* return context id on success */
++ ret = new_vxi->vx_id;
++
++ /* get a reference for persistent contexts */
++ if ((vc_data.flagword & VXF_PERSISTENT))
++ vx_set_persistent(new_vxi);
++out:
++ release_vx_info(new_vxi, NULL);
++ put_vx_info(new_vxi);
++ return ret;
++}
++
++
++int vc_ctx_migrate(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_migrate vc_data = { .flagword = 0 };
++ int ret;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = vx_migrate_task(current, vxi, 0);
++ if (ret)
++ return ret;
++ if (vc_data.flagword & VXM_SET_INIT)
++ ret = vx_set_init(vxi, current);
++ if (ret)
++ return ret;
++ if (vc_data.flagword & VXM_SET_REAPER)
++ ret = vx_set_reaper(vxi, current);
++ return ret;
++}
++
++
++int vc_get_cflags(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_flags_v0 vc_data;
++
++ vc_data.flagword = vxi->vx_flags;
++
++ /* special STATE flag handling */
++ vc_data.mask = vs_mask_flags(~0ULL, vxi->vx_flags, VXF_ONE_TIME);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_cflags(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_flags_v0 vc_data;
++ uint64_t mask, trigger;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ /* special STATE flag handling */
++ mask = vs_mask_mask(vc_data.mask, vxi->vx_flags, VXF_ONE_TIME);
++ trigger = (mask & vxi->vx_flags) ^ (mask & vc_data.flagword);
++
++ if (vxi == current_vx_info()) {
++ /* if (trigger & VXF_STATE_SETUP)
++ vx_mask_cap_bset(vxi, current); */
++ if (trigger & VXF_STATE_INIT) {
++ int ret;
++
++ ret = vx_set_init(vxi, current);
++ if (ret)
++ return ret;
++ ret = vx_set_reaper(vxi, current);
++ if (ret)
++ return ret;
++ }
++ }
++
++ vxi->vx_flags = vs_mask_flags(vxi->vx_flags,
++ vc_data.flagword, mask);
++ if (trigger & VXF_PERSISTENT)
++ vx_update_persistent(vxi);
++
++ return 0;
++}
++
++
++static inline uint64_t caps_from_cap_t(kernel_cap_t c)
++{
++ uint64_t v = c.cap[0] | ((uint64_t)c.cap[1] << 32);
++
++ // printk("caps_from_cap_t(%08x:%08x) = %016llx\n", c.cap[1], c.cap[0], v);
++ return v;
++}
++
++static inline kernel_cap_t cap_t_from_caps(uint64_t v)
++{
++ kernel_cap_t c = __cap_empty_set;
++
++ c.cap[0] = v & 0xFFFFFFFF;
++ c.cap[1] = (v >> 32) & 0xFFFFFFFF;
++
++ // printk("cap_t_from_caps(%016llx) = %08x:%08x\n", v, c.cap[1], c.cap[0]);
++ return c;
++}
++
++
++static int do_get_caps(struct vx_info *vxi, uint64_t *bcaps, uint64_t *ccaps)
++{
++ if (bcaps)
++ *bcaps = caps_from_cap_t(vxi->vx_bcaps);
++ if (ccaps)
++ *ccaps = vxi->vx_ccaps;
++
++ return 0;
++}
++
++int vc_get_ccaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_caps_v1 vc_data;
++ int ret;
++
++ ret = do_get_caps(vxi, NULL, &vc_data.ccaps);
++ if (ret)
++ return ret;
++ vc_data.cmask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++static int do_set_caps(struct vx_info *vxi,
++ uint64_t bcaps, uint64_t bmask, uint64_t ccaps, uint64_t cmask)
++{
++ uint64_t bcold = caps_from_cap_t(vxi->vx_bcaps);
++
++#if 0
++ printk("do_set_caps(%16llx, %16llx, %16llx, %16llx)\n",
++ bcaps, bmask, ccaps, cmask);
++#endif
++ vxi->vx_bcaps = cap_t_from_caps(
++ vs_mask_flags(bcold, bcaps, bmask));
++ vxi->vx_ccaps = vs_mask_flags(vxi->vx_ccaps, ccaps, cmask);
++
++ return 0;
++}
++
++int vc_set_ccaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_caps_v1 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_caps(vxi, 0, 0, vc_data.ccaps, vc_data.cmask);
++}
++
++int vc_get_bcaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_bcaps vc_data;
++ int ret;
++
++ ret = do_get_caps(vxi, &vc_data.bcaps, NULL);
++ if (ret)
++ return ret;
++ vc_data.bmask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_bcaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_bcaps vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_caps(vxi, vc_data.bcaps, vc_data.bmask, 0, 0);
++}
++
++
++int vc_get_umask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_umask vc_data;
++
++ vc_data.umask = vxi->vx_umask;
++ vc_data.mask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_umask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_umask vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ vxi->vx_umask = vs_mask_flags(vxi->vx_umask,
++ vc_data.umask, vc_data.mask);
++ return 0;
++}
++
++
++int vc_get_wmask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_wmask vc_data;
++
++ vc_data.wmask = vxi->vx_wmask;
++ vc_data.mask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_wmask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_wmask vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ vxi->vx_wmask = vs_mask_flags(vxi->vx_wmask,
++ vc_data.wmask, vc_data.mask);
++ return 0;
++}
++
++
++int vc_get_badness(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_badness_v0 vc_data;
++
++ vc_data.bias = vxi->vx_badness_bias;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_badness(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_badness_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ vxi->vx_badness_bias = vc_data.bias;
++ return 0;
++}
++
++#include <linux/module.h>
++
++EXPORT_SYMBOL_GPL(free_vx_info);
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/cvirt.c linux-3.4.45-vs2.3.3.9/kernel/vserver/cvirt.c
+--- linux-3.4.45/kernel/vserver/cvirt.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/cvirt.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,313 @@
++/*
++ * linux/kernel/vserver/cvirt.c
++ *
++ * Virtual Server: Context Virtualization
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 broken out from limit.c
++ * V0.02 added utsname stuff
++ * V0.03 changed vcmds to vxi arg
++ *
++ */
++
++#include <linux/types.h>
++#include <linux/utsname.h>
++#include <linux/vs_cvirt.h>
++#include <linux/vserver/switch.h>
++#include <linux/vserver/cvirt_cmd.h>
++
++#include <asm/uaccess.h>
++
++
++void vx_vsi_boottime(struct timespec *boottime)
++{
++ struct vx_info *vxi = current_vx_info();
++
++ set_normalized_timespec(boottime,
++ boottime->tv_sec + vxi->cvirt.bias_uptime.tv_sec,
++ boottime->tv_nsec + vxi->cvirt.bias_uptime.tv_nsec);
++ return;
++}
++
++void vx_vsi_uptime(struct timespec *uptime, struct timespec *idle)
++{
++ struct vx_info *vxi = current_vx_info();
++
++ set_normalized_timespec(uptime,
++ uptime->tv_sec - vxi->cvirt.bias_uptime.tv_sec,
++ uptime->tv_nsec - vxi->cvirt.bias_uptime.tv_nsec);
++ if (!idle)
++ return;
++ set_normalized_timespec(idle,
++ idle->tv_sec - vxi->cvirt.bias_idle.tv_sec,
++ idle->tv_nsec - vxi->cvirt.bias_idle.tv_nsec);
++ return;
++}
++
++uint64_t vx_idle_jiffies(void)
++{
++ return init_task.utime + init_task.stime;
++}
++
++
++
++static inline uint32_t __update_loadavg(uint32_t load,
++ int wsize, int delta, int n)
++{
++ unsigned long long calc, prev;
++
++ /* just set it to n */
++ if (unlikely(delta >= wsize))
++ return (n << FSHIFT);
++
++ calc = delta * n;
++ calc <<= FSHIFT;
++ prev = (wsize - delta);
++ prev *= load;
++ calc += prev;
++ do_div(calc, wsize);
++ return calc;
++}
++
++
++void vx_update_load(struct vx_info *vxi)
++{
++ uint32_t now, last, delta;
++ unsigned int nr_running, nr_uninterruptible;
++ unsigned int total;
++ unsigned long flags;
++
++ spin_lock_irqsave(&vxi->cvirt.load_lock, flags);
++
++ now = jiffies;
++ last = vxi->cvirt.load_last;
++ delta = now - last;
++
++ if (delta < 5*HZ)
++ goto out;
++
++ nr_running = atomic_read(&vxi->cvirt.nr_running);
++ nr_uninterruptible = atomic_read(&vxi->cvirt.nr_uninterruptible);
++ total = nr_running + nr_uninterruptible;
++
++ vxi->cvirt.load[0] = __update_loadavg(vxi->cvirt.load[0],
++ 60*HZ, delta, total);
++ vxi->cvirt.load[1] = __update_loadavg(vxi->cvirt.load[1],
++ 5*60*HZ, delta, total);
++ vxi->cvirt.load[2] = __update_loadavg(vxi->cvirt.load[2],
++ 15*60*HZ, delta, total);
++
++ vxi->cvirt.load_last = now;
++out:
++ atomic_inc(&vxi->cvirt.load_updates);
++ spin_unlock_irqrestore(&vxi->cvirt.load_lock, flags);
++}
++
++
++/*
++ * Commands to do_syslog:
++ *
++ * 0 -- Close the log. Currently a NOP.
++ * 1 -- Open the log. Currently a NOP.
++ * 2 -- Read from the log.
++ * 3 -- Read all messages remaining in the ring buffer.
++ * 4 -- Read and clear all messages remaining in the ring buffer
++ * 5 -- Clear ring buffer.
++ * 6 -- Disable printk's to console
++ * 7 -- Enable printk's to console
++ * 8 -- Set level of messages printed to console
++ * 9 -- Return number of unread characters in the log buffer
++ * 10 -- Return size of the log buffer
++ */
++int vx_do_syslog(int type, char __user *buf, int len)
++{
++ int error = 0;
++ int do_clear = 0;
++ struct vx_info *vxi = current_vx_info();
++ struct _vx_syslog *log;
++
++ if (!vxi)
++ return -EINVAL;
++ log = &vxi->cvirt.syslog;
++
++ switch (type) {
++ case 0: /* Close log */
++ case 1: /* Open log */
++ break;
++ case 2: /* Read from log */
++ error = wait_event_interruptible(log->log_wait,
++ (log->log_start - log->log_end));
++ if (error)
++ break;
++ spin_lock_irq(&log->logbuf_lock);
++ spin_unlock_irq(&log->logbuf_lock);
++ break;
++ case 4: /* Read/clear last kernel messages */
++ do_clear = 1;
++ /* fall through */
++ case 3: /* Read last kernel messages */
++ return 0;
++
++ case 5: /* Clear ring buffer */
++ return 0;
++
++ case 6: /* Disable logging to console */
++ case 7: /* Enable logging to console */
++ case 8: /* Set level of messages printed to console */
++ break;
++
++ case 9: /* Number of chars in the log buffer */
++ return 0;
++ case 10: /* Size of the log buffer */
++ return 0;
++ default:
++ error = -EINVAL;
++ break;
++ }
++ return error;
++}
++
++
++/* virtual host info names */
++
++static char *vx_vhi_name(struct vx_info *vxi, int id)
++{
++ struct nsproxy *nsproxy;
++ struct uts_namespace *uts;
++
++ if (id == VHIN_CONTEXT)
++ return vxi->vx_name;
++
++ nsproxy = vxi->space[0].vx_nsproxy;
++ if (!nsproxy)
++ return NULL;
++
++ uts = nsproxy->uts_ns;
++ if (!uts)
++ return NULL;
++
++ switch (id) {
++ case VHIN_SYSNAME:
++ return uts->name.sysname;
++ case VHIN_NODENAME:
++ return uts->name.nodename;
++ case VHIN_RELEASE:
++ return uts->name.release;
++ case VHIN_VERSION:
++ return uts->name.version;
++ case VHIN_MACHINE:
++ return uts->name.machine;
++ case VHIN_DOMAINNAME:
++ return uts->name.domainname;
++ default:
++ return NULL;
++ }
++ return NULL;
++}
++
++int vc_set_vhi_name(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_vhi_name_v0 vc_data;
++ char *name;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ name = vx_vhi_name(vxi, vc_data.field);
++ if (!name)
++ return -EINVAL;
++
++ memcpy(name, vc_data.name, 65);
++ return 0;
++}
++
++int vc_get_vhi_name(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_vhi_name_v0 vc_data;
++ char *name;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ name = vx_vhi_name(vxi, vc_data.field);
++ if (!name)
++ return -EINVAL;
++
++ memcpy(vc_data.name, name, 65);
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++int vc_virt_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_virt_stat_v0 vc_data;
++ struct _vx_cvirt *cvirt = &vxi->cvirt;
++ struct timespec uptime;
++
++ do_posix_clock_monotonic_gettime(&uptime);
++ set_normalized_timespec(&uptime,
++ uptime.tv_sec - cvirt->bias_uptime.tv_sec,
++ uptime.tv_nsec - cvirt->bias_uptime.tv_nsec);
++
++ vc_data.offset = timespec_to_ns(&cvirt->bias_ts);
++ vc_data.uptime = timespec_to_ns(&uptime);
++ vc_data.nr_threads = atomic_read(&cvirt->nr_threads);
++ vc_data.nr_running = atomic_read(&cvirt->nr_running);
++ vc_data.nr_uninterruptible = atomic_read(&cvirt->nr_uninterruptible);
++ vc_data.nr_onhold = atomic_read(&cvirt->nr_onhold);
++ vc_data.nr_forks = atomic_read(&cvirt->total_forks);
++ vc_data.load[0] = cvirt->load[0];
++ vc_data.load[1] = cvirt->load[1];
++ vc_data.load[2] = cvirt->load[2];
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++#ifdef CONFIG_VSERVER_VTIME
++
++/* virtualized time base */
++
++void vx_adjust_timespec(struct timespec *ts)
++{
++ struct vx_info *vxi;
++
++ if (!vx_flags(VXF_VIRT_TIME, 0))
++ return;
++
++ vxi = current_vx_info();
++ ts->tv_sec += vxi->cvirt.bias_ts.tv_sec;
++ ts->tv_nsec += vxi->cvirt.bias_ts.tv_nsec;
++
++ if (ts->tv_nsec >= NSEC_PER_SEC) {
++ ts->tv_sec++;
++ ts->tv_nsec -= NSEC_PER_SEC;
++ } else if (ts->tv_nsec < 0) {
++ ts->tv_sec--;
++ ts->tv_nsec += NSEC_PER_SEC;
++ }
++}
++
++int vx_settimeofday(const struct timespec *ts)
++{
++ struct timespec ats, delta;
++ struct vx_info *vxi;
++
++ if (!vx_flags(VXF_VIRT_TIME, 0))
++ return do_settimeofday(ts);
++
++ getnstimeofday(&ats);
++ delta = timespec_sub(*ts, ats);
++
++ vxi = current_vx_info();
++ vxi->cvirt.bias_ts = timespec_add(vxi->cvirt.bias_ts, delta);
++ return 0;
++}
++
++#endif
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/cvirt_init.h linux-3.4.45-vs2.3.3.9/kernel/vserver/cvirt_init.h
+--- linux-3.4.45/kernel/vserver/cvirt_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/cvirt_init.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,70 @@
++
++
++extern uint64_t vx_idle_jiffies(void);
++
++static inline void vx_info_init_cvirt(struct _vx_cvirt *cvirt)
++{
++ uint64_t idle_jiffies = vx_idle_jiffies();
++ uint64_t nsuptime;
++
++ do_posix_clock_monotonic_gettime(&cvirt->bias_uptime);
++ nsuptime = (unsigned long long)cvirt->bias_uptime.tv_sec
++ * NSEC_PER_SEC + cvirt->bias_uptime.tv_nsec;
++ cvirt->bias_clock = nsec_to_clock_t(nsuptime);
++ cvirt->bias_ts.tv_sec = 0;
++ cvirt->bias_ts.tv_nsec = 0;
++
++ jiffies_to_timespec(idle_jiffies, &cvirt->bias_idle);
++ atomic_set(&cvirt->nr_threads, 0);
++ atomic_set(&cvirt->nr_running, 0);
++ atomic_set(&cvirt->nr_uninterruptible, 0);
++ atomic_set(&cvirt->nr_onhold, 0);
++
++ spin_lock_init(&cvirt->load_lock);
++ cvirt->load_last = jiffies;
++ atomic_set(&cvirt->load_updates, 0);
++ cvirt->load[0] = 0;
++ cvirt->load[1] = 0;
++ cvirt->load[2] = 0;
++ atomic_set(&cvirt->total_forks, 0);
++
++ spin_lock_init(&cvirt->syslog.logbuf_lock);
++ init_waitqueue_head(&cvirt->syslog.log_wait);
++ cvirt->syslog.log_start = 0;
++ cvirt->syslog.log_end = 0;
++ cvirt->syslog.con_start = 0;
++ cvirt->syslog.logged_chars = 0;
++}
++
++static inline
++void vx_info_init_cvirt_pc(struct _vx_cvirt_pc *cvirt_pc, int cpu)
++{
++ // cvirt_pc->cpustat = { 0 };
++}
++
++static inline void vx_info_exit_cvirt(struct _vx_cvirt *cvirt)
++{
++#ifdef CONFIG_VSERVER_WARN
++ int value;
++#endif
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_threads)),
++ "!!! cvirt: %p[nr_threads] = %d on exit.",
++ cvirt, value);
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_running)),
++ "!!! cvirt: %p[nr_running] = %d on exit.",
++ cvirt, value);
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_uninterruptible)),
++ "!!! cvirt: %p[nr_uninterruptible] = %d on exit.",
++ cvirt, value);
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_onhold)),
++ "!!! cvirt: %p[nr_onhold] = %d on exit.",
++ cvirt, value);
++ return;
++}
++
++static inline
++void vx_info_exit_cvirt_pc(struct _vx_cvirt_pc *cvirt_pc, int cpu)
++{
++ return;
++}
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/cvirt_proc.h linux-3.4.45-vs2.3.3.9/kernel/vserver/cvirt_proc.h
+--- linux-3.4.45/kernel/vserver/cvirt_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/cvirt_proc.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,123 @@
++#ifndef _VX_CVIRT_PROC_H
++#define _VX_CVIRT_PROC_H
++
++#include <linux/nsproxy.h>
++#include <linux/mnt_namespace.h>
++#include <linux/ipc_namespace.h>
++#include <linux/utsname.h>
++#include <linux/ipc.h>
++
++extern int vx_info_mnt_namespace(struct mnt_namespace *, char *);
++
++static inline
++int vx_info_proc_nsproxy(struct nsproxy *nsproxy, char *buffer)
++{
++ struct mnt_namespace *ns;
++ struct uts_namespace *uts;
++ struct ipc_namespace *ipc;
++ int length = 0;
++
++ if (!nsproxy)
++ goto out;
++
++ length += sprintf(buffer + length,
++ "NSProxy:\t%p [%p,%p,%p]\n",
++ nsproxy, nsproxy->mnt_ns,
++ nsproxy->uts_ns, nsproxy->ipc_ns);
++
++ ns = nsproxy->mnt_ns;
++ if (!ns)
++ goto skip_ns;
++
++ length += vx_info_mnt_namespace(ns, buffer + length);
++
++skip_ns:
++
++ uts = nsproxy->uts_ns;
++ if (!uts)
++ goto skip_uts;
++
++ length += sprintf(buffer + length,
++ "SysName:\t%.*s\n"
++ "NodeName:\t%.*s\n"
++ "Release:\t%.*s\n"
++ "Version:\t%.*s\n"
++ "Machine:\t%.*s\n"
++ "DomainName:\t%.*s\n",
++ __NEW_UTS_LEN, uts->name.sysname,
++ __NEW_UTS_LEN, uts->name.nodename,
++ __NEW_UTS_LEN, uts->name.release,
++ __NEW_UTS_LEN, uts->name.version,
++ __NEW_UTS_LEN, uts->name.machine,
++ __NEW_UTS_LEN, uts->name.domainname);
++skip_uts:
++
++ ipc = nsproxy->ipc_ns;
++ if (!ipc)
++ goto skip_ipc;
++
++ length += sprintf(buffer + length,
++ "SEMS:\t\t%d %d %d %d %d\n"
++ "MSG:\t\t%d %d %d\n"
++ "SHM:\t\t%lu %lu %d %d\n",
++ ipc->sem_ctls[0], ipc->sem_ctls[1],
++ ipc->sem_ctls[2], ipc->sem_ctls[3],
++ ipc->used_sems,
++ ipc->msg_ctlmax, ipc->msg_ctlmnb, ipc->msg_ctlmni,
++ (unsigned long)ipc->shm_ctlmax,
++ (unsigned long)ipc->shm_ctlall,
++ ipc->shm_ctlmni, ipc->shm_tot);
++skip_ipc:
++out:
++ return length;
++}
++
++
++#include <linux/sched.h>
++
++#define LOAD_INT(x) ((x) >> FSHIFT)
++#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1 - 1)) * 100)
++
++static inline
++int vx_info_proc_cvirt(struct _vx_cvirt *cvirt, char *buffer)
++{
++ int length = 0;
++ int a, b, c;
++
++ length += sprintf(buffer + length,
++ "BiasUptime:\t%lu.%02lu\n",
++ (unsigned long)cvirt->bias_uptime.tv_sec,
++ (cvirt->bias_uptime.tv_nsec / (NSEC_PER_SEC / 100)));
++
++ a = cvirt->load[0] + (FIXED_1 / 200);
++ b = cvirt->load[1] + (FIXED_1 / 200);
++ c = cvirt->load[2] + (FIXED_1 / 200);
++ length += sprintf(buffer + length,
++ "nr_threads:\t%d\n"
++ "nr_running:\t%d\n"
++ "nr_unintr:\t%d\n"
++ "nr_onhold:\t%d\n"
++ "load_updates:\t%d\n"
++ "loadavg:\t%d.%02d %d.%02d %d.%02d\n"
++ "total_forks:\t%d\n",
++ atomic_read(&cvirt->nr_threads),
++ atomic_read(&cvirt->nr_running),
++ atomic_read(&cvirt->nr_uninterruptible),
++ atomic_read(&cvirt->nr_onhold),
++ atomic_read(&cvirt->load_updates),
++ LOAD_INT(a), LOAD_FRAC(a),
++ LOAD_INT(b), LOAD_FRAC(b),
++ LOAD_INT(c), LOAD_FRAC(c),
++ atomic_read(&cvirt->total_forks));
++ return length;
++}
++
++static inline
++int vx_info_proc_cvirt_pc(struct _vx_cvirt_pc *cvirt_pc,
++ char *buffer, int cpu)
++{
++ int length = 0;
++ return length;
++}
++
++#endif /* _VX_CVIRT_PROC_H */
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/debug.c linux-3.4.45-vs2.3.3.9/kernel/vserver/debug.c
+--- linux-3.4.45/kernel/vserver/debug.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/debug.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,32 @@
++/*
++ * kernel/vserver/debug.c
++ *
++ * Copyright (C) 2005-2007 Herbert Pötzl
++ *
++ * V0.01 vx_info dump support
++ *
++ */
++
++#include <linux/module.h>
++
++#include <linux/vserver/context.h>
++
++
++void dump_vx_info(struct vx_info *vxi, int level)
++{
++ printk("vx_info %p[#%d, %d.%d, %4x]\n", vxi, vxi->vx_id,
++ atomic_read(&vxi->vx_usecnt),
++ atomic_read(&vxi->vx_tasks),
++ vxi->vx_state);
++ if (level > 0) {
++ __dump_vx_limit(&vxi->limit);
++ __dump_vx_sched(&vxi->sched);
++ __dump_vx_cvirt(&vxi->cvirt);
++ __dump_vx_cacct(&vxi->cacct);
++ }
++ printk("---\n");
++}
++
++
++EXPORT_SYMBOL_GPL(dump_vx_info);
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/device.c linux-3.4.45-vs2.3.3.9/kernel/vserver/device.c
+--- linux-3.4.45/kernel/vserver/device.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/device.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,443 @@
++/*
++ * linux/kernel/vserver/device.c
++ *
++ * Linux-VServer: Device Support
++ *
++ * Copyright (C) 2006 Herbert Pötzl
++ * Copyright (C) 2007 Daniel Hokka Zakrisson
++ *
++ * V0.01 device mapping basics
++ * V0.02 added defaults
++ *
++ */
++
++#include <linux/slab.h>
++#include <linux/rcupdate.h>
++#include <linux/fs.h>
++#include <linux/namei.h>
++#include <linux/hash.h>
++
++#include <asm/errno.h>
++#include <asm/uaccess.h>
++#include <linux/vserver/base.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/context.h>
++#include <linux/vserver/device.h>
++#include <linux/vserver/device_cmd.h>
++
++
++#define DMAP_HASH_BITS 4
++
++
++struct vs_mapping {
++ union {
++ struct hlist_node hlist;
++ struct list_head list;
++ } u;
++#define dm_hlist u.hlist
++#define dm_list u.list
++ xid_t xid;
++ dev_t device;
++ struct vx_dmap_target target;
++};
++
++
++static struct hlist_head dmap_main_hash[1 << DMAP_HASH_BITS];
++
++static DEFINE_SPINLOCK(dmap_main_hash_lock);
++
++static struct vx_dmap_target dmap_defaults[2] = {
++ { .flags = DATTR_OPEN },
++ { .flags = DATTR_OPEN },
++};
++
++
++struct kmem_cache *dmap_cachep __read_mostly;
++
++int __init dmap_cache_init(void)
++{
++ dmap_cachep = kmem_cache_create("dmap_cache",
++ sizeof(struct vs_mapping), 0,
++ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
++ return 0;
++}
++
++__initcall(dmap_cache_init);
++
++
++static inline unsigned int __hashval(dev_t dev, int bits)
++{
++ return hash_long((unsigned long)dev, bits);
++}
++
++
++/* __hash_mapping()
++ * add the mapping to the hash table
++ */
++static inline void __hash_mapping(struct vx_info *vxi, struct vs_mapping *vdm)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ struct hlist_head *head, *hash = dmap_main_hash;
++ int device = vdm->device;
++
++ spin_lock(hash_lock);
++ vxdprintk(VXD_CBIT(misc, 8), "__hash_mapping: %p[#%d] %08x:%08x",
++ vxi, vxi ? vxi->vx_id : 0, device, vdm->target.target);
++
++ head = &hash[__hashval(device, DMAP_HASH_BITS)];
++ hlist_add_head(&vdm->dm_hlist, head);
++ spin_unlock(hash_lock);
++}
++
++
++static inline int __mode_to_default(umode_t mode)
++{
++ switch (mode) {
++ case S_IFBLK:
++ return 0;
++ case S_IFCHR:
++ return 1;
++ default:
++ BUG();
++ }
++}
++
++
++/* __set_default()
++ * set a default
++ */
++static inline void __set_default(struct vx_info *vxi, umode_t mode,
++ struct vx_dmap_target *vdmt)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ spin_lock(hash_lock);
++
++ if (vxi)
++ vxi->dmap.targets[__mode_to_default(mode)] = *vdmt;
++ else
++ dmap_defaults[__mode_to_default(mode)] = *vdmt;
++
++
++ spin_unlock(hash_lock);
++
++ vxdprintk(VXD_CBIT(misc, 8), "__set_default: %p[#%u] %08x %04x",
++ vxi, vxi ? vxi->vx_id : 0, vdmt->target, vdmt->flags);
++}
++
++
++/* __remove_default()
++ * remove a default
++ */
++static inline int __remove_default(struct vx_info *vxi, umode_t mode)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ spin_lock(hash_lock);
++
++ if (vxi)
++ vxi->dmap.targets[__mode_to_default(mode)].flags = 0;
++ else /* remove == reset */
++ dmap_defaults[__mode_to_default(mode)].flags = DATTR_OPEN | mode;
++
++ spin_unlock(hash_lock);
++ return 0;
++}
++
++
++/* __find_mapping()
++ * find a mapping in the hash table
++ *
++ * caller must hold hash_lock
++ */
++static inline int __find_mapping(xid_t xid, dev_t device, umode_t mode,
++ struct vs_mapping **local, struct vs_mapping **global)
++{
++ struct hlist_head *hash = dmap_main_hash;
++ struct hlist_head *head = &hash[__hashval(device, DMAP_HASH_BITS)];
++ struct hlist_node *pos;
++ struct vs_mapping *vdm;
++
++ *local = NULL;
++ if (global)
++ *global = NULL;
++
++ hlist_for_each(pos, head) {
++ vdm = hlist_entry(pos, struct vs_mapping, dm_hlist);
++
++ if ((vdm->device == device) &&
++ !((vdm->target.flags ^ mode) & S_IFMT)) {
++ if (vdm->xid == xid) {
++ *local = vdm;
++ return 1;
++ } else if (global && vdm->xid == 0)
++ *global = vdm;
++ }
++ }
++
++ if (global && *global)
++ return 0;
++ else
++ return -ENOENT;
++}
++
++
++/* __lookup_mapping()
++ * find a mapping and store the result in target and flags
++ */
++static inline int __lookup_mapping(struct vx_info *vxi,
++ dev_t device, dev_t *target, int *flags, umode_t mode)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ struct vs_mapping *vdm, *global;
++ struct vx_dmap_target *vdmt;
++ int ret = 0;
++ xid_t xid = vxi->vx_id;
++ int index;
++
++ spin_lock(hash_lock);
++ if (__find_mapping(xid, device, mode, &vdm, &global) > 0) {
++ ret = 1;
++ vdmt = &vdm->target;
++ goto found;
++ }
++
++ index = __mode_to_default(mode);
++ if (vxi && vxi->dmap.targets[index].flags) {
++ ret = 2;
++ vdmt = &vxi->dmap.targets[index];
++ } else if (global) {
++ ret = 3;
++ vdmt = &global->target;
++ goto found;
++ } else {
++ ret = 4;
++ vdmt = &dmap_defaults[index];
++ }
++
++found:
++ if (target && (vdmt->flags & DATTR_REMAP))
++ *target = vdmt->target;
++ else if (target)
++ *target = device;
++ if (flags)
++ *flags = vdmt->flags;
++
++ spin_unlock(hash_lock);
++
++ return ret;
++}
++
++
++/* __remove_mapping()
++ * remove a mapping from the hash table
++ */
++static inline int __remove_mapping(struct vx_info *vxi, dev_t device,
++ umode_t mode)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ struct vs_mapping *vdm = NULL;
++ int ret = 0;
++
++ spin_lock(hash_lock);
++
++ ret = __find_mapping((vxi ? vxi->vx_id : 0), device, mode, &vdm,
++ NULL);
++ vxdprintk(VXD_CBIT(misc, 8), "__remove_mapping: %p[#%d] %08x %04x",
++ vxi, vxi ? vxi->vx_id : 0, device, mode);
++ if (ret < 0)
++ goto out;
++ hlist_del(&vdm->dm_hlist);
++
++out:
++ spin_unlock(hash_lock);
++ if (vdm)
++ kmem_cache_free(dmap_cachep, vdm);
++ return ret;
++}
++
++
++
++int vs_map_device(struct vx_info *vxi,
++ dev_t device, dev_t *target, umode_t mode)
++{
++ int ret, flags = DATTR_MASK;
++
++ if (!vxi) {
++ if (target)
++ *target = device;
++ goto out;
++ }
++ ret = __lookup_mapping(vxi, device, target, &flags, mode);
++ vxdprintk(VXD_CBIT(misc, 8), "vs_map_device: %08x target: %08x flags: %04x mode: %04x mapped=%d",
++ device, target ? *target : 0, flags, mode, ret);
++out:
++ return (flags & DATTR_MASK);
++}
++
++
++
++static int do_set_mapping(struct vx_info *vxi,
++ dev_t device, dev_t target, int flags, umode_t mode)
++{
++ if (device) {
++ struct vs_mapping *new;
++
++ new = kmem_cache_alloc(dmap_cachep, GFP_KERNEL);
++ if (!new)
++ return -ENOMEM;
++
++ INIT_HLIST_NODE(&new->dm_hlist);
++ new->device = device;
++ new->target.target = target;
++ new->target.flags = flags | mode;
++ new->xid = (vxi ? vxi->vx_id : 0);
++
++ vxdprintk(VXD_CBIT(misc, 8), "do_set_mapping: %08x target: %08x flags: %04x", device, target, flags);
++ __hash_mapping(vxi, new);
++ } else {
++ struct vx_dmap_target new = {
++ .target = target,
++ .flags = flags | mode,
++ };
++ __set_default(vxi, mode, &new);
++ }
++ return 0;
++}
++
++
++static int do_unset_mapping(struct vx_info *vxi,
++ dev_t device, dev_t target, int flags, umode_t mode)
++{
++ int ret = -EINVAL;
++
++ if (device) {
++ ret = __remove_mapping(vxi, device, mode);
++ if (ret < 0)
++ goto out;
++ } else {
++ ret = __remove_default(vxi, mode);
++ if (ret < 0)
++ goto out;
++ }
++
++out:
++ return ret;
++}
++
++
++static inline int __user_device(const char __user *name, dev_t *dev,
++ umode_t *mode)
++{
++ struct nameidata nd;
++ int ret;
++
++ if (!name) {
++ *dev = 0;
++ return 0;
++ }
++ ret = user_lpath(name, &nd.path);
++ if (ret)
++ return ret;
++ if (nd.path.dentry->d_inode) {
++ *dev = nd.path.dentry->d_inode->i_rdev;
++ *mode = nd.path.dentry->d_inode->i_mode;
++ }
++ path_put(&nd.path);
++ return 0;
++}
++
++static inline int __mapping_mode(dev_t device, dev_t target,
++ umode_t device_mode, umode_t target_mode, umode_t *mode)
++{
++ if (device)
++ *mode = device_mode & S_IFMT;
++ else if (target)
++ *mode = target_mode & S_IFMT;
++ else
++ return -EINVAL;
++
++ /* if both given, device and target mode have to match */
++ if (device && target &&
++ ((device_mode ^ target_mode) & S_IFMT))
++ return -EINVAL;
++ return 0;
++}
++
++
++static inline int do_mapping(struct vx_info *vxi, const char __user *device_path,
++ const char __user *target_path, int flags, int set)
++{
++ dev_t device = ~0, target = ~0;
++ umode_t device_mode = 0, target_mode = 0, mode;
++ int ret;
++
++ ret = __user_device(device_path, &device, &device_mode);
++ if (ret)
++ return ret;
++ ret = __user_device(target_path, &target, &target_mode);
++ if (ret)
++ return ret;
++
++ ret = __mapping_mode(device, target,
++ device_mode, target_mode, &mode);
++ if (ret)
++ return ret;
++
++ if (set)
++ return do_set_mapping(vxi, device, target,
++ flags, mode);
++ else
++ return do_unset_mapping(vxi, device, target,
++ flags, mode);
++}
++
++
++int vc_set_mapping(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, vc_data.device, vc_data.target,
++ vc_data.flags, 1);
++}
++
++int vc_unset_mapping(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, vc_data.device, vc_data.target,
++ vc_data.flags, 0);
++}
++
++
++#ifdef CONFIG_COMPAT
++
++int vc_set_mapping_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, compat_ptr(vc_data.device_ptr),
++ compat_ptr(vc_data.target_ptr), vc_data.flags, 1);
++}
++
++int vc_unset_mapping_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, compat_ptr(vc_data.device_ptr),
++ compat_ptr(vc_data.target_ptr), vc_data.flags, 0);
++}
++
++#endif /* CONFIG_COMPAT */
++
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/dlimit.c linux-3.4.45-vs2.3.3.9/kernel/vserver/dlimit.c
+--- linux-3.4.45/kernel/vserver/dlimit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/dlimit.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,531 @@
++/*
++ * linux/kernel/vserver/dlimit.c
++ *
++ * Virtual Server: Context Disk Limits
++ *
++ * Copyright (C) 2004-2009 Herbert Pötzl
++ *
++ * V0.01 initial version
++ * V0.02 compat32 splitup
++ * V0.03 extended interface
++ *
++ */
++
++#include <linux/statfs.h>
++#include <linux/sched.h>
++#include <linux/namei.h>
++#include <linux/vs_tag.h>
++#include <linux/vs_dlimit.h>
++#include <linux/vserver/dlimit_cmd.h>
++#include <linux/slab.h>
++// #include <linux/gfp.h>
++
++#include <asm/uaccess.h>
++
++/* __alloc_dl_info()
++
++ * allocate an initialized dl_info struct
++ * doesn't make it visible (hash) */
++
++static struct dl_info *__alloc_dl_info(struct super_block *sb, tag_t tag)
++{
++ struct dl_info *new = NULL;
++
++ vxdprintk(VXD_CBIT(dlim, 5),
++ "alloc_dl_info(%p,%d)*", sb, tag);
++
++ /* would this benefit from a slab cache? */
++ new = kmalloc(sizeof(struct dl_info), GFP_KERNEL);
++ if (!new)
++ return 0;
++
++ memset(new, 0, sizeof(struct dl_info));
++ new->dl_tag = tag;
++ new->dl_sb = sb;
++ // INIT_RCU_HEAD(&new->dl_rcu);
++ INIT_HLIST_NODE(&new->dl_hlist);
++ spin_lock_init(&new->dl_lock);
++ atomic_set(&new->dl_refcnt, 0);
++ atomic_set(&new->dl_usecnt, 0);
++
++ /* rest of init goes here */
++
++ vxdprintk(VXD_CBIT(dlim, 4),
++ "alloc_dl_info(%p,%d) = %p", sb, tag, new);
++ return new;
++}
++
++/* __dealloc_dl_info()
++
++ * final disposal of dl_info */
++
++static void __dealloc_dl_info(struct dl_info *dli)
++{
++ vxdprintk(VXD_CBIT(dlim, 4),
++ "dealloc_dl_info(%p)", dli);
++
++ dli->dl_hlist.next = LIST_POISON1;
++ dli->dl_tag = -1;
++ dli->dl_sb = 0;
++
++ BUG_ON(atomic_read(&dli->dl_usecnt));
++ BUG_ON(atomic_read(&dli->dl_refcnt));
++
++ kfree(dli);
++}
++
++
++/* hash table for dl_info hash */
++
++#define DL_HASH_SIZE 13
++
++struct hlist_head dl_info_hash[DL_HASH_SIZE];
++
++static DEFINE_SPINLOCK(dl_info_hash_lock);
++
++
++static inline unsigned int __hashval(struct super_block *sb, tag_t tag)
++{
++ return ((tag ^ (unsigned long)sb) % DL_HASH_SIZE);
++}
++
++
++
++/* __hash_dl_info()
++
++ * add the dli to the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __hash_dl_info(struct dl_info *dli)
++{
++ struct hlist_head *head;
++
++ vxdprintk(VXD_CBIT(dlim, 6),
++ "__hash_dl_info: %p[#%d]", dli, dli->dl_tag);
++ get_dl_info(dli);
++ head = &dl_info_hash[__hashval(dli->dl_sb, dli->dl_tag)];
++ hlist_add_head_rcu(&dli->dl_hlist, head);
++}
++
++/* __unhash_dl_info()
++
++ * remove the dli from the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __unhash_dl_info(struct dl_info *dli)
++{
++ vxdprintk(VXD_CBIT(dlim, 6),
++ "__unhash_dl_info: %p[#%d]", dli, dli->dl_tag);
++ hlist_del_rcu(&dli->dl_hlist);
++ put_dl_info(dli);
++}
++
++
++/* __lookup_dl_info()
++
++ * requires the rcu_read_lock()
++ * doesn't increment the dl_refcnt */
++
++static inline struct dl_info *__lookup_dl_info(struct super_block *sb, tag_t tag)
++{
++ struct hlist_head *head = &dl_info_hash[__hashval(sb, tag)];
++ struct hlist_node *pos;
++ struct dl_info *dli;
++
++ hlist_for_each_entry_rcu(dli, pos, head, dl_hlist) {
++
++ if (dli->dl_tag == tag && dli->dl_sb == sb) {
++ return dli;
++ }
++ }
++ return NULL;
++}
++
++
++struct dl_info *locate_dl_info(struct super_block *sb, tag_t tag)
++{
++ struct dl_info *dli;
++
++ rcu_read_lock();
++ dli = get_dl_info(__lookup_dl_info(sb, tag));
++ vxdprintk(VXD_CBIT(dlim, 7),
++ "locate_dl_info(%p,#%d) = %p", sb, tag, dli);
++ rcu_read_unlock();
++ return dli;
++}
++
++void rcu_free_dl_info(struct rcu_head *head)
++{
++ struct dl_info *dli = container_of(head, struct dl_info, dl_rcu);
++ int usecnt, refcnt;
++
++ BUG_ON(!dli || !head);
++
++ usecnt = atomic_read(&dli->dl_usecnt);
++ BUG_ON(usecnt < 0);
++
++ refcnt = atomic_read(&dli->dl_refcnt);
++ BUG_ON(refcnt < 0);
++
++ vxdprintk(VXD_CBIT(dlim, 3),
++ "rcu_free_dl_info(%p)", dli);
++ if (!usecnt)
++ __dealloc_dl_info(dli);
++ else
++ printk("!!! rcu didn't free\n");
++}
++
++
++
++
++static int do_addrem_dlimit(uint32_t id, const char __user *name,
++ uint32_t flags, int add)
++{
++ struct path path;
++ int ret;
++
++ ret = user_lpath(name, &path);
++ if (!ret) {
++ struct super_block *sb;
++ struct dl_info *dli;
++
++ ret = -EINVAL;
++ if (!path.dentry->d_inode)
++ goto out_release;
++ if (!(sb = path.dentry->d_inode->i_sb))
++ goto out_release;
++
++ if (add) {
++ dli = __alloc_dl_info(sb, id);
++ spin_lock(&dl_info_hash_lock);
++
++ ret = -EEXIST;
++ if (__lookup_dl_info(sb, id))
++ goto out_unlock;
++ __hash_dl_info(dli);
++ dli = NULL;
++ } else {
++ spin_lock(&dl_info_hash_lock);
++ dli = __lookup_dl_info(sb, id);
++
++ ret = -ESRCH;
++ if (!dli)
++ goto out_unlock;
++ __unhash_dl_info(dli);
++ }
++ ret = 0;
++ out_unlock:
++ spin_unlock(&dl_info_hash_lock);
++ if (add && dli)
++ __dealloc_dl_info(dli);
++ out_release:
++ path_put(&path);
++ }
++ return ret;
++}
++
++int vc_add_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id, vc_data.name, vc_data.flags, 1);
++}
++
++int vc_rem_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id, vc_data.name, vc_data.flags, 0);
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_add_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id,
++ compat_ptr(vc_data.name_ptr), vc_data.flags, 1);
++}
++
++int vc_rem_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id,
++ compat_ptr(vc_data.name_ptr), vc_data.flags, 0);
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++static inline
++int do_set_dlimit(uint32_t id, const char __user *name,
++ uint32_t space_used, uint32_t space_total,
++ uint32_t inodes_used, uint32_t inodes_total,
++ uint32_t reserved, uint32_t flags)
++{
++ struct path path;
++ int ret;
++
++ ret = user_lpath(name, &path);
++ if (!ret) {
++ struct super_block *sb;
++ struct dl_info *dli;
++
++ ret = -EINVAL;
++ if (!path.dentry->d_inode)
++ goto out_release;
++ if (!(sb = path.dentry->d_inode->i_sb))
++ goto out_release;
++
++ /* sanity checks */
++ if ((reserved != CDLIM_KEEP &&
++ reserved > 100) ||
++ (inodes_used != CDLIM_KEEP &&
++ inodes_used > inodes_total) ||
++ (space_used != CDLIM_KEEP &&
++ space_used > space_total))
++ goto out_release;
++
++ ret = -ESRCH;
++ dli = locate_dl_info(sb, id);
++ if (!dli)
++ goto out_release;
++
++ spin_lock(&dli->dl_lock);
++
++ if (inodes_used != CDLIM_KEEP)
++ dli->dl_inodes_used = inodes_used;
++ if (inodes_total != CDLIM_KEEP)
++ dli->dl_inodes_total = inodes_total;
++ if (space_used != CDLIM_KEEP)
++ dli->dl_space_used = dlimit_space_32to64(
++ space_used, flags, DLIMS_USED);
++
++ if (space_total == CDLIM_INFINITY)
++ dli->dl_space_total = DLIM_INFINITY;
++ else if (space_total != CDLIM_KEEP)
++ dli->dl_space_total = dlimit_space_32to64(
++ space_total, flags, DLIMS_TOTAL);
++
++ if (reserved != CDLIM_KEEP)
++ dli->dl_nrlmult = (1 << 10) * (100 - reserved) / 100;
++
++ spin_unlock(&dli->dl_lock);
++
++ put_dl_info(dli);
++ ret = 0;
++
++ out_release:
++ path_put(&path);
++ }
++ return ret;
++}
++
++int vc_set_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_dlimit(id, vc_data.name,
++ vc_data.space_used, vc_data.space_total,
++ vc_data.inodes_used, vc_data.inodes_total,
++ vc_data.reserved, vc_data.flags);
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_set_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_dlimit(id, compat_ptr(vc_data.name_ptr),
++ vc_data.space_used, vc_data.space_total,
++ vc_data.inodes_used, vc_data.inodes_total,
++ vc_data.reserved, vc_data.flags);
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++static inline
++int do_get_dlimit(uint32_t id, const char __user *name,
++ uint32_t *space_used, uint32_t *space_total,
++ uint32_t *inodes_used, uint32_t *inodes_total,
++ uint32_t *reserved, uint32_t *flags)
++{
++ struct path path;
++ int ret;
++
++ ret = user_lpath(name, &path);
++ if (!ret) {
++ struct super_block *sb;
++ struct dl_info *dli;
++
++ ret = -EINVAL;
++ if (!path.dentry->d_inode)
++ goto out_release;
++ if (!(sb = path.dentry->d_inode->i_sb))
++ goto out_release;
++
++ ret = -ESRCH;
++ dli = locate_dl_info(sb, id);
++ if (!dli)
++ goto out_release;
++
++ spin_lock(&dli->dl_lock);
++ *inodes_used = dli->dl_inodes_used;
++ *inodes_total = dli->dl_inodes_total;
++
++ *space_used = dlimit_space_64to32(
++ dli->dl_space_used, flags, DLIMS_USED);
++
++ if (dli->dl_space_total == DLIM_INFINITY)
++ *space_total = CDLIM_INFINITY;
++ else
++ *space_total = dlimit_space_64to32(
++ dli->dl_space_total, flags, DLIMS_TOTAL);
++
++ *reserved = 100 - ((dli->dl_nrlmult * 100 + 512) >> 10);
++ spin_unlock(&dli->dl_lock);
++
++ put_dl_info(dli);
++ ret = -EFAULT;
++
++ ret = 0;
++ out_release:
++ path_put(&path);
++ }
++ return ret;
++}
++
++
++int vc_get_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_dlimit(id, vc_data.name,
++ &vc_data.space_used, &vc_data.space_total,
++ &vc_data.inodes_used, &vc_data.inodes_total,
++ &vc_data.reserved, &vc_data.flags);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_get_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0_x32 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_dlimit(id, compat_ptr(vc_data.name_ptr),
++ &vc_data.space_used, &vc_data.space_total,
++ &vc_data.inodes_used, &vc_data.inodes_total,
++ &vc_data.reserved, &vc_data.flags);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++void vx_vsi_statfs(struct super_block *sb, struct kstatfs *buf)
++{
++ struct dl_info *dli;
++ __u64 blimit, bfree, bavail;
++ __u32 ifree;
++
++ dli = locate_dl_info(sb, dx_current_tag());
++ if (!dli)
++ return;
++
++ spin_lock(&dli->dl_lock);
++ if (dli->dl_inodes_total == (unsigned long)DLIM_INFINITY)
++ goto no_ilim;
++
++ /* reduce max inodes available to limit */
++ if (buf->f_files > dli->dl_inodes_total)
++ buf->f_files = dli->dl_inodes_total;
++
++ ifree = dli->dl_inodes_total - dli->dl_inodes_used;
++ /* reduce free inodes to min */
++ if (ifree < buf->f_ffree)
++ buf->f_ffree = ifree;
++
++no_ilim:
++ if (dli->dl_space_total == DLIM_INFINITY)
++ goto no_blim;
++
++ blimit = dli->dl_space_total >> sb->s_blocksize_bits;
++
++ if (dli->dl_space_total < dli->dl_space_used)
++ bfree = 0;
++ else
++ bfree = (dli->dl_space_total - dli->dl_space_used)
++ >> sb->s_blocksize_bits;
++
++ bavail = ((dli->dl_space_total >> 10) * dli->dl_nrlmult);
++ if (bavail < dli->dl_space_used)
++ bavail = 0;
++ else
++ bavail = (bavail - dli->dl_space_used)
++ >> sb->s_blocksize_bits;
++
++ /* reduce max space available to limit */
++ if (buf->f_blocks > blimit)
++ buf->f_blocks = blimit;
++
++ /* reduce free space to min */
++ if (bfree < buf->f_bfree)
++ buf->f_bfree = bfree;
++
++ /* reduce avail space to min */
++ if (bavail < buf->f_bavail)
++ buf->f_bavail = bavail;
++
++no_blim:
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++
++ return;
++}
++
++#include <linux/module.h>
++
++EXPORT_SYMBOL_GPL(locate_dl_info);
++EXPORT_SYMBOL_GPL(rcu_free_dl_info);
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/helper.c linux-3.4.45-vs2.3.3.9/kernel/vserver/helper.c
+--- linux-3.4.45/kernel/vserver/helper.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/helper.c 2012-09-16 18:49:44.000000000 +0000
+@@ -0,0 +1,229 @@
++/*
++ * linux/kernel/vserver/helper.c
++ *
++ * Virtual Context Support
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic helper
++ *
++ */
++
++#include <linux/kmod.h>
++#include <linux/reboot.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vserver/signal.h>
++
++
++char vshelper_path[255] = "/sbin/vshelper";
++
++static int vshelper_init(struct subprocess_info *info, struct cred *new_cred)
++{
++ current->flags &= ~PF_THREAD_BOUND;
++ return 0;
++}
++
++static int do_vshelper(char *name, char *argv[], char *envp[], int sync)
++{
++ int ret;
++
++ if ((ret = call_usermodehelper_fns(name, argv, envp,
++ sync ? UMH_WAIT_PROC : UMH_WAIT_EXEC,
++ vshelper_init, NULL, NULL))) {
++ printk(KERN_WARNING "%s: (%s %s) returned %s with %d\n",
++ name, argv[1], argv[2],
++ sync ? "sync" : "async", ret);
++ }
++ vxdprintk(VXD_CBIT(switch, 4),
++ "%s: (%s %s) returned %s with %d",
++ name, argv[1], argv[2], sync ? "sync" : "async", ret);
++ return ret;
++}
++
++/*
++ * vshelper path is set via /proc/sys
++ * invoked by vserver sys_reboot(), with
++ * the following arguments
++ *
++ * argv [0] = vshelper_path;
++ * argv [1] = action: "restart", "halt", "poweroff", ...
++ * argv [2] = context identifier
++ *
++ * envp [*] = type-specific parameters
++ */
++
++long vs_reboot_helper(struct vx_info *vxi, int cmd, void __user *arg)
++{
++ char id_buf[8], cmd_buf[16];
++ char uid_buf[16], pid_buf[16];
++ int ret;
++
++ char *argv[] = {vshelper_path, NULL, id_buf, 0};
++ char *envp[] = {"HOME=/", "TERM=linux",
++ "PATH=/sbin:/usr/sbin:/bin:/usr/bin",
++ uid_buf, pid_buf, cmd_buf, 0};
++
++ if (vx_info_state(vxi, VXS_HELPER))
++ return -EAGAIN;
++ vxi->vx_state |= VXS_HELPER;
++
++ snprintf(id_buf, sizeof(id_buf), "%d", vxi->vx_id);
++
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
++ snprintf(uid_buf, sizeof(uid_buf), "VS_UID=%d", current_uid());
++ snprintf(pid_buf, sizeof(pid_buf), "VS_PID=%d", current->pid);
++
++ switch (cmd) {
++ case LINUX_REBOOT_CMD_RESTART:
++ argv[1] = "restart";
++ break;
++
++ case LINUX_REBOOT_CMD_HALT:
++ argv[1] = "halt";
++ break;
++
++ case LINUX_REBOOT_CMD_POWER_OFF:
++ argv[1] = "poweroff";
++ break;
++
++ case LINUX_REBOOT_CMD_SW_SUSPEND:
++ argv[1] = "swsusp";
++ break;
++
++ case LINUX_REBOOT_CMD_OOM:
++ argv[1] = "oom";
++ break;
++
++ default:
++ vxi->vx_state &= ~VXS_HELPER;
++ return 0;
++ }
++
++ ret = do_vshelper(vshelper_path, argv, envp, 0);
++ vxi->vx_state &= ~VXS_HELPER;
++ __wakeup_vx_info(vxi);
++ return (ret) ? -EPERM : 0;
++}
++
++
++long vs_reboot(unsigned int cmd, void __user *arg)
++{
++ struct vx_info *vxi = current_vx_info();
++ long ret = 0;
++
++ vxdprintk(VXD_CBIT(misc, 5),
++ "vs_reboot(%p[#%d],%u)",
++ vxi, vxi ? vxi->vx_id : 0, cmd);
++
++ ret = vs_reboot_helper(vxi, cmd, arg);
++ if (ret)
++ return ret;
++
++ vxi->reboot_cmd = cmd;
++ if (vx_info_flags(vxi, VXF_REBOOT_KILL, 0)) {
++ switch (cmd) {
++ case LINUX_REBOOT_CMD_RESTART:
++ case LINUX_REBOOT_CMD_HALT:
++ case LINUX_REBOOT_CMD_POWER_OFF:
++ vx_info_kill(vxi, 0, SIGKILL);
++ vx_info_kill(vxi, 1, SIGKILL);
++ default:
++ break;
++ }
++ }
++ return 0;
++}
++
++long vs_oom_action(unsigned int cmd)
++{
++ struct vx_info *vxi = current_vx_info();
++ long ret = 0;
++
++ vxdprintk(VXD_CBIT(misc, 5),
++ "vs_oom_action(%p[#%d],%u)",
++ vxi, vxi ? vxi->vx_id : 0, cmd);
++
++ ret = vs_reboot_helper(vxi, cmd, NULL);
++ if (ret)
++ return ret;
++
++ vxi->reboot_cmd = cmd;
++ if (vx_info_flags(vxi, VXF_REBOOT_KILL, 0)) {
++ vx_info_kill(vxi, 0, SIGKILL);
++ vx_info_kill(vxi, 1, SIGKILL);
++ }
++ return 0;
++}
++
++/*
++ * argv [0] = vshelper_path;
++ * argv [1] = action: "startup", "shutdown"
++ * argv [2] = context identifier
++ *
++ * envp [*] = type-specific parameters
++ */
++
++long vs_state_change(struct vx_info *vxi, unsigned int cmd)
++{
++ char id_buf[8], cmd_buf[16];
++ char *argv[] = {vshelper_path, NULL, id_buf, 0};
++ char *envp[] = {"HOME=/", "TERM=linux",
++ "PATH=/sbin:/usr/sbin:/bin:/usr/bin", cmd_buf, 0};
++
++ if (!vx_info_flags(vxi, VXF_SC_HELPER, 0))
++ return 0;
++
++ snprintf(id_buf, sizeof(id_buf), "%d", vxi->vx_id);
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
++
++ switch (cmd) {
++ case VSC_STARTUP:
++ argv[1] = "startup";
++ break;
++ case VSC_SHUTDOWN:
++ argv[1] = "shutdown";
++ break;
++ default:
++ return 0;
++ }
++
++ return do_vshelper(vshelper_path, argv, envp, 1);
++}
++
++
++/*
++ * argv [0] = vshelper_path;
++ * argv [1] = action: "netup", "netdown"
++ * argv [2] = context identifier
++ *
++ * envp [*] = type-specific parameters
++ */
++
++long vs_net_change(struct nx_info *nxi, unsigned int cmd)
++{
++ char id_buf[8], cmd_buf[16];
++ char *argv[] = {vshelper_path, NULL, id_buf, 0};
++ char *envp[] = {"HOME=/", "TERM=linux",
++ "PATH=/sbin:/usr/sbin:/bin:/usr/bin", cmd_buf, 0};
++
++ if (!nx_info_flags(nxi, NXF_SC_HELPER, 0))
++ return 0;
++
++ snprintf(id_buf, sizeof(id_buf), "%d", nxi->nx_id);
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
++
++ switch (cmd) {
++ case VSC_NETUP:
++ argv[1] = "netup";
++ break;
++ case VSC_NETDOWN:
++ argv[1] = "netdown";
++ break;
++ default:
++ return 0;
++ }
++
++ return do_vshelper(vshelper_path, argv, envp, 1);
++}
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/history.c linux-3.4.45-vs2.3.3.9/kernel/vserver/history.c
+--- linux-3.4.45/kernel/vserver/history.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/history.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,258 @@
++/*
++ * kernel/vserver/history.c
++ *
++ * Virtual Context History Backtrace
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ * V0.02 hash/unhash and trace
++ * V0.03 preemption fixes
++ *
++ */
++
++#include <linux/module.h>
++#include <asm/uaccess.h>
++
++#include <linux/vserver/context.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/debug_cmd.h>
++#include <linux/vserver/history.h>
++
++
++#ifdef CONFIG_VSERVER_HISTORY
++#define VXH_SIZE CONFIG_VSERVER_HISTORY_SIZE
++#else
++#define VXH_SIZE 64
++#endif
++
++struct _vx_history {
++ unsigned int counter;
++
++ struct _vx_hist_entry entry[VXH_SIZE + 1];
++};
++
++
++DEFINE_PER_CPU(struct _vx_history, vx_history_buffer);
++
++unsigned volatile int vxh_active = 1;
++
++static atomic_t sequence = ATOMIC_INIT(0);
++
++
++/* vxh_advance()
++
++ * requires disabled preemption */
++
++struct _vx_hist_entry *vxh_advance(void *loc)
++{
++ unsigned int cpu = smp_processor_id();
++ struct _vx_history *hist = &per_cpu(vx_history_buffer, cpu);
++ struct _vx_hist_entry *entry;
++ unsigned int index;
++
++ index = vxh_active ? (hist->counter++ % VXH_SIZE) : VXH_SIZE;
++ entry = &hist->entry[index];
++
++ entry->seq = atomic_inc_return(&sequence);
++ entry->loc = loc;
++ return entry;
++}
++
++EXPORT_SYMBOL_GPL(vxh_advance);
++
++
++#define VXH_LOC_FMTS "(#%04x,*%d):%p"
++
++#define VXH_LOC_ARGS(e) (e)->seq, cpu, (e)->loc
++
++
++#define VXH_VXI_FMTS "%p[#%d,%d.%d]"
++
++#define VXH_VXI_ARGS(e) (e)->vxi.ptr, \
++ (e)->vxi.ptr ? (e)->vxi.xid : 0, \
++ (e)->vxi.ptr ? (e)->vxi.usecnt : 0, \
++ (e)->vxi.ptr ? (e)->vxi.tasks : 0
++
++void vxh_dump_entry(struct _vx_hist_entry *e, unsigned cpu)
++{
++ switch (e->type) {
++ case VXH_THROW_OOPS:
++ printk( VXH_LOC_FMTS " oops \n", VXH_LOC_ARGS(e));
++ break;
++
++ case VXH_GET_VX_INFO:
++ case VXH_PUT_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_GET_VX_INFO) ? "get" : "put",
++ VXH_VXI_ARGS(e));
++ break;
++
++ case VXH_INIT_VX_INFO:
++ case VXH_SET_VX_INFO:
++ case VXH_CLR_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS " @%p\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_INIT_VX_INFO) ? "init" :
++ ((e->type == VXH_SET_VX_INFO) ? "set" : "clr"),
++ VXH_VXI_ARGS(e), e->sc.data);
++ break;
++
++ case VXH_CLAIM_VX_INFO:
++ case VXH_RELEASE_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS " @%p\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_CLAIM_VX_INFO) ? "claim" : "release",
++ VXH_VXI_ARGS(e), e->sc.data);
++ break;
++
++ case VXH_ALLOC_VX_INFO:
++ case VXH_DEALLOC_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_ALLOC_VX_INFO) ? "alloc" : "dealloc",
++ VXH_VXI_ARGS(e));
++ break;
++
++ case VXH_HASH_VX_INFO:
++ case VXH_UNHASH_VX_INFO:
++ printk( VXH_LOC_FMTS " __%s_vx_info " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_HASH_VX_INFO) ? "hash" : "unhash",
++ VXH_VXI_ARGS(e));
++ break;
++
++ case VXH_LOC_VX_INFO:
++ case VXH_LOOKUP_VX_INFO:
++ case VXH_CREATE_VX_INFO:
++ printk( VXH_LOC_FMTS " __%s_vx_info [#%d] -> " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_CREATE_VX_INFO) ? "create" :
++ ((e->type == VXH_LOC_VX_INFO) ? "loc" : "lookup"),
++ e->ll.arg, VXH_VXI_ARGS(e));
++ break;
++ }
++}
++
++static void __vxh_dump_history(void)
++{
++ unsigned int i, cpu;
++
++ printk("History:\tSEQ: %8x\tNR_CPUS: %d\n",
++ atomic_read(&sequence), NR_CPUS);
++
++ for (i = 0; i < VXH_SIZE; i++) {
++ for_each_online_cpu(cpu) {
++ struct _vx_history *hist =
++ &per_cpu(vx_history_buffer, cpu);
++ unsigned int index = (hist->counter - i) % VXH_SIZE;
++ struct _vx_hist_entry *entry = &hist->entry[index];
++
++ vxh_dump_entry(entry, cpu);
++ }
++ }
++}
++
++void vxh_dump_history(void)
++{
++ vxh_active = 0;
++#ifdef CONFIG_SMP
++ local_irq_enable();
++ smp_send_stop();
++ local_irq_disable();
++#endif
++ __vxh_dump_history();
++}
++
++
++/* vserver syscall commands below here */
++
++
++int vc_dump_history(uint32_t id)
++{
++ vxh_active = 0;
++ __vxh_dump_history();
++ vxh_active = 1;
++
++ return 0;
++}
++
++
++int do_read_history(struct __user _vx_hist_entry *data,
++ int cpu, uint32_t *index, uint32_t *count)
++{
++ int pos, ret = 0;
++ struct _vx_history *hist = &per_cpu(vx_history_buffer, cpu);
++ int end = hist->counter;
++ int start = end - VXH_SIZE + 2;
++ int idx = *index;
++
++ /* special case: get current pos */
++ if (!*count) {
++ *index = end;
++ return 0;
++ }
++
++ /* have we lost some data? */
++ if (idx < start)
++ idx = start;
++
++ for (pos = 0; (pos < *count) && (idx < end); pos++, idx++) {
++ struct _vx_hist_entry *entry =
++ &hist->entry[idx % VXH_SIZE];
++
++ /* send entry to userspace */
++ ret = copy_to_user(&data[pos], entry, sizeof(*entry));
++ if (ret)
++ break;
++ }
++ /* save new index and count */
++ *index = idx;
++ *count = pos;
++ return ret ? ret : (*index < end);
++}
++
++int vc_read_history(uint32_t id, void __user *data)
++{
++ struct vcmd_read_history_v0 vc_data;
++ int ret;
++
++ if (id >= NR_CPUS)
++ return -EINVAL;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_read_history((struct __user _vx_hist_entry *)vc_data.data,
++ id, &vc_data.index, &vc_data.count);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return ret;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_read_history_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_read_history_v0_x32 vc_data;
++ int ret;
++
++ if (id >= NR_CPUS)
++ return -EINVAL;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_read_history((struct __user _vx_hist_entry *)
++ compat_ptr(vc_data.data_ptr),
++ id, &vc_data.index, &vc_data.count);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return ret;
++}
++
++#endif /* CONFIG_COMPAT */
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/inet.c linux-3.4.45-vs2.3.3.9/kernel/vserver/inet.c
+--- linux-3.4.45/kernel/vserver/inet.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/inet.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,226 @@
++
++#include <linux/in.h>
++#include <linux/inetdevice.h>
++#include <linux/export.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
++#include <linux/vserver/debug.h>
++#include <net/route.h>
++#include <net/addrconf.h>
++
++
++int nx_v4_addr_conflict(struct nx_info *nxi1, struct nx_info *nxi2)
++{
++ int ret = 0;
++
++ if (!nxi1 || !nxi2 || nxi1 == nxi2)
++ ret = 1;
++ else {
++ struct nx_addr_v4 *ptr;
++
++ for (ptr = &nxi1->v4; ptr; ptr = ptr->next) {
++ if (v4_nx_addr_in_nx_info(nxi2, ptr, -1)) {
++ ret = 1;
++ break;
++ }
++ }
++ }
++
++ vxdprintk(VXD_CBIT(net, 2),
++ "nx_v4_addr_conflict(%p,%p): %d",
++ nxi1, nxi2, ret);
++
++ return ret;
++}
++
++
++#ifdef CONFIG_IPV6
++
++int nx_v6_addr_conflict(struct nx_info *nxi1, struct nx_info *nxi2)
++{
++ int ret = 0;
++
++ if (!nxi1 || !nxi2 || nxi1 == nxi2)
++ ret = 1;
++ else {
++ struct nx_addr_v6 *ptr;
++
++ for (ptr = &nxi1->v6; ptr; ptr = ptr->next) {
++ if (v6_nx_addr_in_nx_info(nxi2, ptr, -1)) {
++ ret = 1;
++ break;
++ }
++ }
++ }
++
++ vxdprintk(VXD_CBIT(net, 2),
++ "nx_v6_addr_conflict(%p,%p): %d",
++ nxi1, nxi2, ret);
++
++ return ret;
++}
++
++#endif
++
++int v4_dev_in_nx_info(struct net_device *dev, struct nx_info *nxi)
++{
++ struct in_device *in_dev;
++ struct in_ifaddr **ifap;
++ struct in_ifaddr *ifa;
++ int ret = 0;
++
++ if (!dev)
++ goto out;
++ in_dev = in_dev_get(dev);
++ if (!in_dev)
++ goto out;
++
++ for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
++ ifap = &ifa->ifa_next) {
++ if (v4_addr_in_nx_info(nxi, ifa->ifa_local, NXA_MASK_SHOW)) {
++ ret = 1;
++ break;
++ }
++ }
++ in_dev_put(in_dev);
++out:
++ return ret;
++}
++
++
++#ifdef CONFIG_IPV6
++
++int v6_dev_in_nx_info(struct net_device *dev, struct nx_info *nxi)
++{
++ struct inet6_dev *in_dev;
++ struct inet6_ifaddr *ifa;
++ int ret = 0;
++
++ if (!dev)
++ goto out;
++ in_dev = in6_dev_get(dev);
++ if (!in_dev)
++ goto out;
++
++ // for (ifap = &in_dev->addr_list; (ifa = *ifap) != NULL;
++ list_for_each_entry(ifa, &in_dev->addr_list, if_list) {
++ if (v6_addr_in_nx_info(nxi, &ifa->addr, -1)) {
++ ret = 1;
++ break;
++ }
++ }
++ in6_dev_put(in_dev);
++out:
++ return ret;
++}
++
++#endif
++
++int dev_in_nx_info(struct net_device *dev, struct nx_info *nxi)
++{
++ int ret = 1;
++
++ if (!nxi)
++ goto out;
++ if (nxi->v4.type && v4_dev_in_nx_info(dev, nxi))
++ goto out;
++#ifdef CONFIG_IPV6
++ ret = 2;
++ if (nxi->v6.type && v6_dev_in_nx_info(dev, nxi))
++ goto out;
++#endif
++ ret = 0;
++out:
++ vxdprintk(VXD_CBIT(net, 3),
++ "dev_in_nx_info(%p,%p[#%d]) = %d",
++ dev, nxi, nxi ? nxi->nx_id : 0, ret);
++ return ret;
++}
++
++struct rtable *ip_v4_find_src(struct net *net, struct nx_info *nxi,
++ struct flowi4 *fl4)
++{
++ struct rtable *rt;
++
++ if (!nxi)
++ return NULL;
++
++ /* FIXME: handle lback only case */
++ if (!NX_IPV4(nxi))
++ return ERR_PTR(-EPERM);
++
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_v4_find_src(%p[#%u]) " NIPQUAD_FMT " -> " NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0,
++ NIPQUAD(fl4->saddr), NIPQUAD(fl4->daddr));
++
++ /* single IP is unconditional */
++ if (nx_info_flags(nxi, NXF_SINGLE_IP, 0) &&
++ (fl4->saddr == INADDR_ANY))
++ fl4->saddr = nxi->v4.ip[0].s_addr;
++
++ if (fl4->saddr == INADDR_ANY) {
++ struct nx_addr_v4 *ptr;
++ __be32 found = 0;
++
++ rt = __ip_route_output_key(net, fl4);
++ if (!IS_ERR(rt)) {
++ found = fl4->saddr;
++ ip_rt_put(rt);
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_v4_find_src(%p[#%u]) rok[%u]: " NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0, fl4->flowi4_oif, NIPQUAD(found));
++ if (v4_addr_in_nx_info(nxi, found, NXA_MASK_BIND))
++ goto found;
++ }
++
++ for (ptr = &nxi->v4; ptr; ptr = ptr->next) {
++ __be32 primary = ptr->ip[0].s_addr;
++ __be32 mask = ptr->mask.s_addr;
++ __be32 neta = primary & mask;
++
++ vxdprintk(VXD_CBIT(net, 4), "ip_v4_find_src(%p[#%u]) chk: "
++ NIPQUAD_FMT "/" NIPQUAD_FMT "/" NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0, NIPQUAD(primary),
++ NIPQUAD(mask), NIPQUAD(neta));
++ if ((found & mask) != neta)
++ continue;
++
++ fl4->saddr = primary;
++ rt = __ip_route_output_key(net, fl4);
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_v4_find_src(%p[#%u]) rok[%u]: " NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0, fl4->flowi4_oif, NIPQUAD(primary));
++ if (!IS_ERR(rt)) {
++ found = fl4->saddr;
++ ip_rt_put(rt);
++ if (found == primary)
++ goto found;
++ }
++ }
++ /* still no source ip? */
++ found = ipv4_is_loopback(fl4->daddr)
++ ? IPI_LOOPBACK : nxi->v4.ip[0].s_addr;
++ found:
++ /* assign src ip to flow */
++ fl4->saddr = found;
++
++ } else {
++ if (!v4_addr_in_nx_info(nxi, fl4->saddr, NXA_MASK_BIND))
++ return ERR_PTR(-EPERM);
++ }
++
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0)) {
++ if (ipv4_is_loopback(fl4->daddr))
++ fl4->daddr = nxi->v4_lback.s_addr;
++ if (ipv4_is_loopback(fl4->saddr))
++ fl4->saddr = nxi->v4_lback.s_addr;
++ } else if (ipv4_is_loopback(fl4->daddr) &&
++ !nx_info_flags(nxi, NXF_LBACK_ALLOW, 0))
++ return ERR_PTR(-EPERM);
++
++ return NULL;
++}
++
++EXPORT_SYMBOL_GPL(ip_v4_find_src);
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/init.c linux-3.4.45-vs2.3.3.9/kernel/vserver/init.c
+--- linux-3.4.45/kernel/vserver/init.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/init.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,45 @@
++/*
++ * linux/kernel/init.c
++ *
++ * Virtual Server Init
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ *
++ */
++
++#include <linux/init.h>
++
++int vserver_register_sysctl(void);
++void vserver_unregister_sysctl(void);
++
++
++static int __init init_vserver(void)
++{
++ int ret = 0;
++
++#ifdef CONFIG_VSERVER_DEBUG
++ vserver_register_sysctl();
++#endif
++ return ret;
++}
++
++
++static void __exit exit_vserver(void)
++{
++
++#ifdef CONFIG_VSERVER_DEBUG
++ vserver_unregister_sysctl();
++#endif
++ return;
++}
++
++/* FIXME: GFP_ZONETYPES gone
++long vx_slab[GFP_ZONETYPES]; */
++long vx_area;
++
++
++module_init(init_vserver);
++module_exit(exit_vserver);
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/inode.c linux-3.4.45-vs2.3.3.9/kernel/vserver/inode.c
+--- linux-3.4.45/kernel/vserver/inode.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/inode.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,437 @@
++/*
++ * linux/kernel/vserver/inode.c
++ *
++ * Virtual Server: File System Support
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 separated from vcontext V0.05
++ * V0.02 moved to tag (instead of xid)
++ *
++ */
++
++#include <linux/tty.h>
++#include <linux/proc_fs.h>
++#include <linux/devpts_fs.h>
++#include <linux/fs.h>
++#include <linux/file.h>
++#include <linux/mount.h>
++#include <linux/parser.h>
++#include <linux/namei.h>
++#include <linux/vserver/inode.h>
++#include <linux/vserver/inode_cmd.h>
++#include <linux/vs_base.h>
++#include <linux/vs_tag.h>
++
++#include <asm/uaccess.h>
++
++
++static int __vc_get_iattr(struct inode *in, uint32_t *tag, uint32_t *flags, uint32_t *mask)
++{
++ struct proc_dir_entry *entry;
++
++ if (!in || !in->i_sb)
++ return -ESRCH;
++
++ *flags = IATTR_TAG
++ | (IS_IMMUTABLE(in) ? IATTR_IMMUTABLE : 0)
++ | (IS_IXUNLINK(in) ? IATTR_IXUNLINK : 0)
++ | (IS_BARRIER(in) ? IATTR_BARRIER : 0)
++ | (IS_COW(in) ? IATTR_COW : 0);
++ *mask = IATTR_IXUNLINK | IATTR_IMMUTABLE | IATTR_COW;
++
++ if (S_ISDIR(in->i_mode))
++ *mask |= IATTR_BARRIER;
++
++ if (IS_TAGGED(in)) {
++ *tag = in->i_tag;
++ *mask |= IATTR_TAG;
++ }
++
++ switch (in->i_sb->s_magic) {
++ case PROC_SUPER_MAGIC:
++ entry = PROC_I(in)->pde;
++
++ /* check for specific inodes? */
++ if (entry)
++ *mask |= IATTR_FLAGS;
++ if (entry)
++ *flags |= (entry->vx_flags & IATTR_FLAGS);
++ else
++ *flags |= (PROC_I(in)->vx_flags & IATTR_FLAGS);
++ break;
++
++ case DEVPTS_SUPER_MAGIC:
++ *tag = in->i_tag;
++ *mask |= IATTR_TAG;
++ break;
++
++ default:
++ break;
++ }
++ return 0;
++}
++
++int vc_get_iattr(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1 vc_data = { .tag = -1 };
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(vc_data.name, &path);
++ if (!ret) {
++ ret = __vc_get_iattr(path.dentry->d_inode,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_get_iattr_x32(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1_x32 vc_data = { .tag = -1 };
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(compat_ptr(vc_data.name_ptr), &path);
++ if (!ret) {
++ ret = __vc_get_iattr(path.dentry->d_inode,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++int vc_fget_iattr(uint32_t fd, void __user *data)
++{
++ struct file *filp;
++ struct vcmd_ctx_fiattr_v0 vc_data = { .tag = -1 };
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ filp = fget(fd);
++ if (!filp || !filp->f_dentry || !filp->f_dentry->d_inode)
++ return -EBADF;
++
++ ret = __vc_get_iattr(filp->f_dentry->d_inode,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++
++ fput(filp);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++
++static int __vc_set_iattr(struct dentry *de, uint32_t *tag, uint32_t *flags, uint32_t *mask)
++{
++ struct inode *in = de->d_inode;
++ int error = 0, is_proc = 0, has_tag = 0;
++ struct iattr attr = { 0 };
++
++ if (!in || !in->i_sb)
++ return -ESRCH;
++
++ is_proc = (in->i_sb->s_magic == PROC_SUPER_MAGIC);
++ if ((*mask & IATTR_FLAGS) && !is_proc)
++ return -EINVAL;
++
++ has_tag = IS_TAGGED(in) ||
++ (in->i_sb->s_magic == DEVPTS_SUPER_MAGIC);
++ if ((*mask & IATTR_TAG) && !has_tag)
++ return -EINVAL;
++
++ mutex_lock(&in->i_mutex);
++ if (*mask & IATTR_TAG) {
++ attr.ia_tag = *tag;
++ attr.ia_valid |= ATTR_TAG;
++ }
++
++ if (*mask & IATTR_FLAGS) {
++ struct proc_dir_entry *entry = PROC_I(in)->pde;
++ unsigned int iflags = PROC_I(in)->vx_flags;
++
++ iflags = (iflags & ~(*mask & IATTR_FLAGS))
++ | (*flags & IATTR_FLAGS);
++ PROC_I(in)->vx_flags = iflags;
++ if (entry)
++ entry->vx_flags = iflags;
++ }
++
++ if (*mask & (IATTR_IMMUTABLE | IATTR_IXUNLINK |
++ IATTR_BARRIER | IATTR_COW)) {
++ int iflags = in->i_flags;
++ int vflags = in->i_vflags;
++
++ if (*mask & IATTR_IMMUTABLE) {
++ if (*flags & IATTR_IMMUTABLE)
++ iflags |= S_IMMUTABLE;
++ else
++ iflags &= ~S_IMMUTABLE;
++ }
++ if (*mask & IATTR_IXUNLINK) {
++ if (*flags & IATTR_IXUNLINK)
++ iflags |= S_IXUNLINK;
++ else
++ iflags &= ~S_IXUNLINK;
++ }
++ if (S_ISDIR(in->i_mode) && (*mask & IATTR_BARRIER)) {
++ if (*flags & IATTR_BARRIER)
++ vflags |= V_BARRIER;
++ else
++ vflags &= ~V_BARRIER;
++ }
++ if (S_ISREG(in->i_mode) && (*mask & IATTR_COW)) {
++ if (*flags & IATTR_COW)
++ vflags |= V_COW;
++ else
++ vflags &= ~V_COW;
++ }
++ if (in->i_op && in->i_op->sync_flags) {
++ error = in->i_op->sync_flags(in, iflags, vflags);
++ if (error)
++ goto out;
++ }
++ }
++
++ if (attr.ia_valid) {
++ if (in->i_op && in->i_op->setattr)
++ error = in->i_op->setattr(de, &attr);
++ else {
++ error = inode_change_ok(in, &attr);
++ if (!error) {
++ setattr_copy(in, &attr);
++ mark_inode_dirty(in);
++ }
++ }
++ }
++
++out:
++ mutex_unlock(&in->i_mutex);
++ return error;
++}
++
++int vc_set_iattr(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1 vc_data;
++ int ret;
++
++ if (!capable(CAP_LINUX_IMMUTABLE))
++ return -EPERM;
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(vc_data.name, &path);
++ if (!ret) {
++ ret = __vc_set_iattr(path.dentry,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_set_iattr_x32(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1_x32 vc_data;
++ int ret;
++
++ if (!capable(CAP_LINUX_IMMUTABLE))
++ return -EPERM;
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(compat_ptr(vc_data.name_ptr), &path);
++ if (!ret) {
++ ret = __vc_set_iattr(path.dentry,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#endif /* CONFIG_COMPAT */
++
++int vc_fset_iattr(uint32_t fd, void __user *data)
++{
++ struct file *filp;
++ struct vcmd_ctx_fiattr_v0 vc_data;
++ int ret;
++
++ if (!capable(CAP_LINUX_IMMUTABLE))
++ return -EPERM;
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ filp = fget(fd);
++ if (!filp || !filp->f_dentry || !filp->f_dentry->d_inode)
++ return -EBADF;
++
++ ret = __vc_set_iattr(filp->f_dentry, &vc_data.tag,
++ &vc_data.flags, &vc_data.mask);
++
++ fput(filp);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return ret;
++}
++
++
++enum { Opt_notagcheck, Opt_tag, Opt_notag, Opt_tagid, Opt_err };
++
++static match_table_t tokens = {
++ {Opt_notagcheck, "notagcheck"},
++#ifdef CONFIG_PROPAGATE
++ {Opt_notag, "notag"},
++ {Opt_tag, "tag"},
++ {Opt_tagid, "tagid=%u"},
++#endif
++ {Opt_err, NULL}
++};
++
++
++static void __dx_parse_remove(char *string, char *opt)
++{
++ char *p = strstr(string, opt);
++ char *q = p;
++
++ if (p) {
++ while (*q != '\0' && *q != ',')
++ q++;
++ while (*q)
++ *p++ = *q++;
++ while (*p)
++ *p++ = '\0';
++ }
++}
++
++int dx_parse_tag(char *string, tag_t *tag, int remove, int *mnt_flags,
++ unsigned long *flags)
++{
++ int set = 0;
++ substring_t args[MAX_OPT_ARGS];
++ int token;
++ char *s, *p, *opts;
++#if defined(CONFIG_PROPAGATE) || defined(CONFIG_VSERVER_DEBUG)
++ int option = 0;
++#endif
++
++ if (!string)
++ return 0;
++ s = kstrdup(string, GFP_KERNEL | GFP_ATOMIC);
++ if (!s)
++ return 0;
++
++ opts = s;
++ while ((p = strsep(&opts, ",")) != NULL) {
++ token = match_token(p, tokens, args);
++
++ switch (token) {
++#ifdef CONFIG_PROPAGATE
++ case Opt_tag:
++ if (tag)
++ *tag = 0;
++ if (remove)
++ __dx_parse_remove(s, "tag");
++ *mnt_flags |= MNT_TAGID;
++ set |= MNT_TAGID;
++ break;
++ case Opt_notag:
++ if (remove)
++ __dx_parse_remove(s, "notag");
++ *mnt_flags |= MNT_NOTAG;
++ set |= MNT_NOTAG;
++ break;
++ case Opt_tagid:
++ if (tag && !match_int(args, &option))
++ *tag = option;
++ if (remove)
++ __dx_parse_remove(s, "tagid");
++ *mnt_flags |= MNT_TAGID;
++ set |= MNT_TAGID;
++ break;
++#endif /* CONFIG_PROPAGATE */
++ case Opt_notagcheck:
++ if (remove)
++ __dx_parse_remove(s, "notagcheck");
++ *flags |= MS_NOTAGCHECK;
++ set |= MS_NOTAGCHECK;
++ break;
++ }
++ vxdprintk(VXD_CBIT(tag, 7),
++ "dx_parse_tag(" VS_Q("%s") "): %d:#%d",
++ p, token, option);
++ }
++ if (set)
++ strcpy(string, s);
++ kfree(s);
++ return set;
++}
++
++#ifdef CONFIG_PROPAGATE
++
++void __dx_propagate_tag(struct nameidata *nd, struct inode *inode)
++{
++ tag_t new_tag = 0;
++ struct vfsmount *mnt;
++ int propagate;
++
++ if (!nd)
++ return;
++ mnt = nd->path.mnt;
++ if (!mnt)
++ return;
++
++ propagate = (mnt->mnt_flags & MNT_TAGID);
++ if (propagate)
++ new_tag = mnt->mnt_tag;
++
++ vxdprintk(VXD_CBIT(tag, 7),
++ "dx_propagate_tag(%p[#%lu.%d]): %d,%d",
++ inode, inode->i_ino, inode->i_tag,
++ new_tag, (propagate) ? 1 : 0);
++
++ if (propagate)
++ inode->i_tag = new_tag;
++}
++
++#include <linux/module.h>
++
++EXPORT_SYMBOL_GPL(__dx_propagate_tag);
++
++#endif /* CONFIG_PROPAGATE */
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/limit.c linux-3.4.45-vs2.3.3.9/kernel/vserver/limit.c
+--- linux-3.4.45/kernel/vserver/limit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/limit.c 2012-09-01 09:15:21.000000000 +0000
+@@ -0,0 +1,345 @@
++/*
++ * linux/kernel/vserver/limit.c
++ *
++ * Virtual Server: Context Limits
++ *
++ * Copyright (C) 2004-2010 Herbert Pötzl
++ *
++ * V0.01 broken out from vcontext V0.05
++ * V0.02 changed vcmds to vxi arg
++ * V0.03 added memory cgroup support
++ *
++ */
++
++#include <linux/sched.h>
++#include <linux/module.h>
++#include <linux/memcontrol.h>
++#include <linux/res_counter.h>
++#include <linux/vs_limit.h>
++#include <linux/vserver/limit.h>
++#include <linux/vserver/limit_cmd.h>
++
++#include <asm/uaccess.h>
++
++
++const char *vlimit_name[NUM_LIMITS] = {
++ [RLIMIT_CPU] = "CPU",
++ [RLIMIT_NPROC] = "NPROC",
++ [RLIMIT_NOFILE] = "NOFILE",
++ [RLIMIT_LOCKS] = "LOCKS",
++ [RLIMIT_SIGPENDING] = "SIGP",
++ [RLIMIT_MSGQUEUE] = "MSGQ",
++
++ [VLIMIT_NSOCK] = "NSOCK",
++ [VLIMIT_OPENFD] = "OPENFD",
++ [VLIMIT_SHMEM] = "SHMEM",
++ [VLIMIT_DENTRY] = "DENTRY",
++};
++
++EXPORT_SYMBOL_GPL(vlimit_name);
++
++#define MASK_ENTRY(x) (1 << (x))
++
++const struct vcmd_ctx_rlimit_mask_v0 vlimit_mask = {
++ /* minimum */
++ 0
++ , /* softlimit */
++ 0
++ , /* maximum */
++ MASK_ENTRY( RLIMIT_NPROC ) |
++ MASK_ENTRY( RLIMIT_NOFILE ) |
++ MASK_ENTRY( RLIMIT_LOCKS ) |
++ MASK_ENTRY( RLIMIT_MSGQUEUE ) |
++
++ MASK_ENTRY( VLIMIT_NSOCK ) |
++ MASK_ENTRY( VLIMIT_OPENFD ) |
++ MASK_ENTRY( VLIMIT_SHMEM ) |
++ MASK_ENTRY( VLIMIT_DENTRY ) |
++ 0
++};
++ /* accounting only */
++uint32_t account_mask =
++ MASK_ENTRY( VLIMIT_SEMARY ) |
++ MASK_ENTRY( VLIMIT_NSEMS ) |
++ MASK_ENTRY( VLIMIT_MAPPED ) |
++ 0;
++
++
++static int is_valid_vlimit(int id)
++{
++ uint32_t mask = vlimit_mask.minimum |
++ vlimit_mask.softlimit | vlimit_mask.maximum;
++ return mask & (1 << id);
++}
++
++static int is_accounted_vlimit(int id)
++{
++ if (is_valid_vlimit(id))
++ return 1;
++ return account_mask & (1 << id);
++}
++
++
++static inline uint64_t vc_get_soft(struct vx_info *vxi, int id)
++{
++ rlim_t limit = __rlim_soft(&vxi->limit, id);
++ return VX_VLIM(limit);
++}
++
++static inline uint64_t vc_get_hard(struct vx_info *vxi, int id)
++{
++ rlim_t limit = __rlim_hard(&vxi->limit, id);
++ return VX_VLIM(limit);
++}
++
++static int do_get_rlimit(struct vx_info *vxi, uint32_t id,
++ uint64_t *minimum, uint64_t *softlimit, uint64_t *maximum)
++{
++ if (!is_valid_vlimit(id))
++ return -EINVAL;
++
++ if (minimum)
++ *minimum = CRLIM_UNSET;
++ if (softlimit)
++ *softlimit = vc_get_soft(vxi, id);
++ if (maximum)
++ *maximum = vc_get_hard(vxi, id);
++ return 0;
++}
++
++int vc_get_rlimit(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_rlimit(vxi, vc_data.id,
++ &vc_data.minimum, &vc_data.softlimit, &vc_data.maximum);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++static int do_set_rlimit(struct vx_info *vxi, uint32_t id,
++ uint64_t minimum, uint64_t softlimit, uint64_t maximum)
++{
++ if (!is_valid_vlimit(id))
++ return -EINVAL;
++
++ if (maximum != CRLIM_KEEP)
++ __rlim_hard(&vxi->limit, id) = VX_RLIM(maximum);
++ if (softlimit != CRLIM_KEEP)
++ __rlim_soft(&vxi->limit, id) = VX_RLIM(softlimit);
++
++ /* clamp soft limit */
++ if (__rlim_soft(&vxi->limit, id) > __rlim_hard(&vxi->limit, id))
++ __rlim_soft(&vxi->limit, id) = __rlim_hard(&vxi->limit, id);
++
++ return 0;
++}
++
++int vc_set_rlimit(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_rlimit(vxi, vc_data.id,
++ vc_data.minimum, vc_data.softlimit, vc_data.maximum);
++}
++
++#ifdef CONFIG_IA32_EMULATION
++
++int vc_set_rlimit_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_rlimit(vxi, vc_data.id,
++ vc_data.minimum, vc_data.softlimit, vc_data.maximum);
++}
++
++int vc_get_rlimit_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0_x32 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_rlimit(vxi, vc_data.id,
++ &vc_data.minimum, &vc_data.softlimit, &vc_data.maximum);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++#endif /* CONFIG_IA32_EMULATION */
++
++
++int vc_get_rlimit_mask(uint32_t id, void __user *data)
++{
++ if (copy_to_user(data, &vlimit_mask, sizeof(vlimit_mask)))
++ return -EFAULT;
++ return 0;
++}
++
++
++static inline void vx_reset_hits(struct _vx_limit *limit)
++{
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ atomic_set(&__rlim_lhit(limit, lim), 0);
++ }
++}
++
++int vc_reset_hits(struct vx_info *vxi, void __user *data)
++{
++ vx_reset_hits(&vxi->limit);
++ return 0;
++}
++
++static inline void vx_reset_minmax(struct _vx_limit *limit)
++{
++ rlim_t value;
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ value = __rlim_get(limit, lim);
++ __rlim_rmax(limit, lim) = value;
++ __rlim_rmin(limit, lim) = value;
++ }
++}
++
++int vc_reset_minmax(struct vx_info *vxi, void __user *data)
++{
++ vx_reset_minmax(&vxi->limit);
++ return 0;
++}
++
++
++int vc_rlimit_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_rlimit_stat_v0 vc_data;
++ struct _vx_limit *limit = &vxi->limit;
++ int id;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ id = vc_data.id;
++ if (!is_accounted_vlimit(id))
++ return -EINVAL;
++
++ vx_limit_fixup(limit, id);
++ vc_data.hits = atomic_read(&__rlim_lhit(limit, id));
++ vc_data.value = __rlim_get(limit, id);
++ vc_data.minimum = __rlim_rmin(limit, id);
++ vc_data.maximum = __rlim_rmax(limit, id);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++void vx_vsi_meminfo(struct sysinfo *val)
++{
++#ifdef CONFIG_CGROUP_MEM_RES_CTLR
++ struct mem_cgroup *mcg;
++ u64 res_limit, res_usage;
++
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ if (!mcg)
++ goto out;
++
++ res_limit = mem_cgroup_res_read_u64(mcg, RES_LIMIT);
++ res_usage = mem_cgroup_res_read_u64(mcg, RES_USAGE);
++
++ if (res_limit != RESOURCE_MAX)
++ val->totalram = (res_limit >> PAGE_SHIFT);
++ val->freeram = val->totalram - (res_usage >> PAGE_SHIFT);
++ val->bufferram = 0;
++ val->totalhigh = 0;
++ val->freehigh = 0;
++out:
++ rcu_read_unlock();
++#endif /* CONFIG_CGROUP_MEM_RES_CTLR */
++ return;
++}
++
++void vx_vsi_swapinfo(struct sysinfo *val)
++{
++#ifdef CONFIG_CGROUP_MEM_RES_CTLR
++#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
++ struct mem_cgroup *mcg;
++ u64 res_limit, res_usage, memsw_limit, memsw_usage;
++ s64 swap_limit, swap_usage;
++
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ if (!mcg)
++ goto out;
++
++ res_limit = mem_cgroup_res_read_u64(mcg, RES_LIMIT);
++ res_usage = mem_cgroup_res_read_u64(mcg, RES_USAGE);
++ memsw_limit = mem_cgroup_memsw_read_u64(mcg, RES_LIMIT);
++ memsw_usage = mem_cgroup_memsw_read_u64(mcg, RES_USAGE);
++
++ /* memory unlimited */
++ if (res_limit == RESOURCE_MAX)
++ goto out;
++
++ swap_limit = memsw_limit - res_limit;
++ /* we have a swap limit? */
++ if (memsw_limit != RESOURCE_MAX)
++ val->totalswap = swap_limit >> PAGE_SHIFT;
++
++ /* calculate swap part */
++ swap_usage = (memsw_usage > res_usage) ?
++ memsw_usage - res_usage : 0;
++
++ /* total shown minus usage gives free swap */
++ val->freeswap = (swap_usage < swap_limit) ?
++ val->totalswap - (swap_usage >> PAGE_SHIFT) : 0;
++out:
++ rcu_read_unlock();
++#else /* !CONFIG_CGROUP_MEM_RES_CTLR_SWAP */
++ val->totalswap = 0;
++ val->freeswap = 0;
++#endif /* !CONFIG_CGROUP_MEM_RES_CTLR_SWAP */
++#endif /* CONFIG_CGROUP_MEM_RES_CTLR */
++ return;
++}
++
++long vx_vsi_cached(struct sysinfo *val)
++{
++ long cache = 0;
++#ifdef CONFIG_CGROUP_MEM_RES_CTLR
++ struct mem_cgroup *mcg;
++
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ if (!mcg)
++ goto out;
++
++ cache = mem_cgroup_stat_read_cache(mcg);
++out:
++ rcu_read_unlock();
++#endif
++ return cache;
++}
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/limit_init.h linux-3.4.45-vs2.3.3.9/kernel/vserver/limit_init.h
+--- linux-3.4.45/kernel/vserver/limit_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/limit_init.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,31 @@
++
++
++static inline void vx_info_init_limit(struct _vx_limit *limit)
++{
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ __rlim_soft(limit, lim) = RLIM_INFINITY;
++ __rlim_hard(limit, lim) = RLIM_INFINITY;
++ __rlim_set(limit, lim, 0);
++ atomic_set(&__rlim_lhit(limit, lim), 0);
++ __rlim_rmin(limit, lim) = 0;
++ __rlim_rmax(limit, lim) = 0;
++ }
++}
++
++static inline void vx_info_exit_limit(struct _vx_limit *limit)
++{
++ rlim_t value;
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ if ((1 << lim) & VLIM_NOCHECK)
++ continue;
++ value = __rlim_get(limit, lim);
++ vxwprintk_xid(value,
++ "!!! limit: %p[%s,%d] = %ld on exit.",
++ limit, vlimit_name[lim], lim, (long)value);
++ }
++}
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/limit_proc.h linux-3.4.45-vs2.3.3.9/kernel/vserver/limit_proc.h
+--- linux-3.4.45/kernel/vserver/limit_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/limit_proc.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,57 @@
++#ifndef _VX_LIMIT_PROC_H
++#define _VX_LIMIT_PROC_H
++
++#include <linux/vserver/limit_int.h>
++
++
++#define VX_LIMIT_FMT ":\t%8ld\t%8ld/%8ld\t%8lld/%8lld\t%6d\n"
++#define VX_LIMIT_TOP \
++ "Limit\t current\t min/max\t\t soft/hard\t\thits\n"
++
++#define VX_LIMIT_ARG(r) \
++ (unsigned long)__rlim_get(limit, r), \
++ (unsigned long)__rlim_rmin(limit, r), \
++ (unsigned long)__rlim_rmax(limit, r), \
++ VX_VLIM(__rlim_soft(limit, r)), \
++ VX_VLIM(__rlim_hard(limit, r)), \
++ atomic_read(&__rlim_lhit(limit, r))
++
++static inline int vx_info_proc_limit(struct _vx_limit *limit, char *buffer)
++{
++ vx_limit_fixup(limit, -1);
++ return sprintf(buffer, VX_LIMIT_TOP
++ "PROC" VX_LIMIT_FMT
++ "VM" VX_LIMIT_FMT
++ "VML" VX_LIMIT_FMT
++ "RSS" VX_LIMIT_FMT
++ "ANON" VX_LIMIT_FMT
++ "RMAP" VX_LIMIT_FMT
++ "FILES" VX_LIMIT_FMT
++ "OFD" VX_LIMIT_FMT
++ "LOCKS" VX_LIMIT_FMT
++ "SOCK" VX_LIMIT_FMT
++ "MSGQ" VX_LIMIT_FMT
++ "SHM" VX_LIMIT_FMT
++ "SEMA" VX_LIMIT_FMT
++ "SEMS" VX_LIMIT_FMT
++ "DENT" VX_LIMIT_FMT,
++ VX_LIMIT_ARG(RLIMIT_NPROC),
++ VX_LIMIT_ARG(RLIMIT_AS),
++ VX_LIMIT_ARG(RLIMIT_MEMLOCK),
++ VX_LIMIT_ARG(RLIMIT_RSS),
++ VX_LIMIT_ARG(VLIMIT_ANON),
++ VX_LIMIT_ARG(VLIMIT_MAPPED),
++ VX_LIMIT_ARG(RLIMIT_NOFILE),
++ VX_LIMIT_ARG(VLIMIT_OPENFD),
++ VX_LIMIT_ARG(RLIMIT_LOCKS),
++ VX_LIMIT_ARG(VLIMIT_NSOCK),
++ VX_LIMIT_ARG(RLIMIT_MSGQUEUE),
++ VX_LIMIT_ARG(VLIMIT_SHMEM),
++ VX_LIMIT_ARG(VLIMIT_SEMARY),
++ VX_LIMIT_ARG(VLIMIT_NSEMS),
++ VX_LIMIT_ARG(VLIMIT_DENTRY));
++}
++
++#endif /* _VX_LIMIT_PROC_H */
++
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/network.c linux-3.4.45-vs2.3.3.9/kernel/vserver/network.c
+--- linux-3.4.45/kernel/vserver/network.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/network.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,912 @@
++/*
++ * linux/kernel/vserver/network.c
++ *
++ * Virtual Server: Network Support
++ *
++ * Copyright (C) 2003-2007 Herbert Pötzl
++ *
++ * V0.01 broken out from vcontext V0.05
++ * V0.02 cleaned up implementation
++ * V0.03 added equiv nx commands
++ * V0.04 switch to RCU based hash
++ * V0.05 and back to locking again
++ * V0.06 changed vcmds to nxi arg
++ * V0.07 have __create claim() the nxi
++ *
++ */
++
++#include <linux/err.h>
++#include <linux/slab.h>
++#include <linux/rcupdate.h>
++
++#include <linux/vs_network.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/network_cmd.h>
++
++
++atomic_t nx_global_ctotal = ATOMIC_INIT(0);
++atomic_t nx_global_cactive = ATOMIC_INIT(0);
++
++static struct kmem_cache *nx_addr_v4_cachep = NULL;
++static struct kmem_cache *nx_addr_v6_cachep = NULL;
++
++
++static int __init init_network(void)
++{
++ nx_addr_v4_cachep = kmem_cache_create("nx_v4_addr_cache",
++ sizeof(struct nx_addr_v4), 0,
++ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
++ nx_addr_v6_cachep = kmem_cache_create("nx_v6_addr_cache",
++ sizeof(struct nx_addr_v6), 0,
++ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
++ return 0;
++}
++
++
++/* __alloc_nx_addr_v4() */
++
++static inline struct nx_addr_v4 *__alloc_nx_addr_v4(void)
++{
++ struct nx_addr_v4 *nxa = kmem_cache_alloc(
++ nx_addr_v4_cachep, GFP_KERNEL);
++
++ if (!IS_ERR(nxa))
++ memset(nxa, 0, sizeof(*nxa));
++ return nxa;
++}
++
++/* __dealloc_nx_addr_v4() */
++
++static inline void __dealloc_nx_addr_v4(struct nx_addr_v4 *nxa)
++{
++ kmem_cache_free(nx_addr_v4_cachep, nxa);
++}
++
++/* __dealloc_nx_addr_v4_all() */
++
++static inline void __dealloc_nx_addr_v4_all(struct nx_addr_v4 *nxa)
++{
++ while (nxa) {
++ struct nx_addr_v4 *next = nxa->next;
++
++ __dealloc_nx_addr_v4(nxa);
++ nxa = next;
++ }
++}
++
++
++#ifdef CONFIG_IPV6
++
++/* __alloc_nx_addr_v6() */
++
++static inline struct nx_addr_v6 *__alloc_nx_addr_v6(void)
++{
++ struct nx_addr_v6 *nxa = kmem_cache_alloc(
++ nx_addr_v6_cachep, GFP_KERNEL);
++
++ if (!IS_ERR(nxa))
++ memset(nxa, 0, sizeof(*nxa));
++ return nxa;
++}
++
++/* __dealloc_nx_addr_v6() */
++
++static inline void __dealloc_nx_addr_v6(struct nx_addr_v6 *nxa)
++{
++ kmem_cache_free(nx_addr_v6_cachep, nxa);
++}
++
++/* __dealloc_nx_addr_v6_all() */
++
++static inline void __dealloc_nx_addr_v6_all(struct nx_addr_v6 *nxa)
++{
++ while (nxa) {
++ struct nx_addr_v6 *next = nxa->next;
++
++ __dealloc_nx_addr_v6(nxa);
++ nxa = next;
++ }
++}
++
++#endif /* CONFIG_IPV6 */
++
++/* __alloc_nx_info()
++
++ * allocate an initialized nx_info struct
++ * doesn't make it visible (hash) */
++
++static struct nx_info *__alloc_nx_info(nid_t nid)
++{
++ struct nx_info *new = NULL;
++
++ vxdprintk(VXD_CBIT(nid, 1), "alloc_nx_info(%d)*", nid);
++
++ /* would this benefit from a slab cache? */
++ new = kmalloc(sizeof(struct nx_info), GFP_KERNEL);
++ if (!new)
++ return 0;
++
++ memset(new, 0, sizeof(struct nx_info));
++ new->nx_id = nid;
++ INIT_HLIST_NODE(&new->nx_hlist);
++ atomic_set(&new->nx_usecnt, 0);
++ atomic_set(&new->nx_tasks, 0);
++ new->nx_state = 0;
++
++ new->nx_flags = NXF_INIT_SET;
++
++ /* rest of init goes here */
++
++ new->v4_lback.s_addr = htonl(INADDR_LOOPBACK);
++ new->v4_bcast.s_addr = htonl(INADDR_BROADCAST);
++
++ vxdprintk(VXD_CBIT(nid, 0),
++ "alloc_nx_info(%d) = %p", nid, new);
++ atomic_inc(&nx_global_ctotal);
++ return new;
++}
++
++/* __dealloc_nx_info()
++
++ * final disposal of nx_info */
++
++static void __dealloc_nx_info(struct nx_info *nxi)
++{
++ vxdprintk(VXD_CBIT(nid, 0),
++ "dealloc_nx_info(%p)", nxi);
++
++ nxi->nx_hlist.next = LIST_POISON1;
++ nxi->nx_id = -1;
++
++ BUG_ON(atomic_read(&nxi->nx_usecnt));
++ BUG_ON(atomic_read(&nxi->nx_tasks));
++
++ __dealloc_nx_addr_v4_all(nxi->v4.next);
++
++ nxi->nx_state |= NXS_RELEASED;
++ kfree(nxi);
++ atomic_dec(&nx_global_ctotal);
++}
++
++static void __shutdown_nx_info(struct nx_info *nxi)
++{
++ nxi->nx_state |= NXS_SHUTDOWN;
++ vs_net_change(nxi, VSC_NETDOWN);
++}
++
++/* exported stuff */
++
++void free_nx_info(struct nx_info *nxi)
++{
++ /* context shutdown is mandatory */
++ BUG_ON(nxi->nx_state != NXS_SHUTDOWN);
++
++ /* context must not be hashed */
++ BUG_ON(nxi->nx_state & NXS_HASHED);
++
++ BUG_ON(atomic_read(&nxi->nx_usecnt));
++ BUG_ON(atomic_read(&nxi->nx_tasks));
++
++ __dealloc_nx_info(nxi);
++}
++
++
++void __nx_set_lback(struct nx_info *nxi)
++{
++ int nid = nxi->nx_id;
++ __be32 lback = htonl(INADDR_LOOPBACK ^ ((nid & 0xFFFF) << 8));
++
++ nxi->v4_lback.s_addr = lback;
++}
++
++extern int __nx_inet_add_lback(__be32 addr);
++extern int __nx_inet_del_lback(__be32 addr);
++
++
++/* hash table for nx_info hash */
++
++#define NX_HASH_SIZE 13
++
++struct hlist_head nx_info_hash[NX_HASH_SIZE];
++
++static DEFINE_SPINLOCK(nx_info_hash_lock);
++
++
++static inline unsigned int __hashval(nid_t nid)
++{
++ return (nid % NX_HASH_SIZE);
++}
++
++
++
++/* __hash_nx_info()
++
++ * add the nxi to the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __hash_nx_info(struct nx_info *nxi)
++{
++ struct hlist_head *head;
++
++ vxd_assert_lock(&nx_info_hash_lock);
++ vxdprintk(VXD_CBIT(nid, 4),
++ "__hash_nx_info: %p[#%d]", nxi, nxi->nx_id);
++
++ /* context must not be hashed */
++ BUG_ON(nx_info_state(nxi, NXS_HASHED));
++
++ nxi->nx_state |= NXS_HASHED;
++ head = &nx_info_hash[__hashval(nxi->nx_id)];
++ hlist_add_head(&nxi->nx_hlist, head);
++ atomic_inc(&nx_global_cactive);
++}
++
++/* __unhash_nx_info()
++
++ * remove the nxi from the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __unhash_nx_info(struct nx_info *nxi)
++{
++ vxd_assert_lock(&nx_info_hash_lock);
++ vxdprintk(VXD_CBIT(nid, 4),
++ "__unhash_nx_info: %p[#%d.%d.%d]", nxi, nxi->nx_id,
++ atomic_read(&nxi->nx_usecnt), atomic_read(&nxi->nx_tasks));
++
++ /* context must be hashed */
++ BUG_ON(!nx_info_state(nxi, NXS_HASHED));
++ /* but without tasks */
++ BUG_ON(atomic_read(&nxi->nx_tasks));
++
++ nxi->nx_state &= ~NXS_HASHED;
++ hlist_del(&nxi->nx_hlist);
++ atomic_dec(&nx_global_cactive);
++}
++
++
++/* __lookup_nx_info()
++
++ * requires the hash_lock to be held
++ * doesn't increment the nx_refcnt */
++
++static inline struct nx_info *__lookup_nx_info(nid_t nid)
++{
++ struct hlist_head *head = &nx_info_hash[__hashval(nid)];
++ struct hlist_node *pos;
++ struct nx_info *nxi;
++
++ vxd_assert_lock(&nx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ nxi = hlist_entry(pos, struct nx_info, nx_hlist);
++
++ if (nxi->nx_id == nid)
++ goto found;
++ }
++ nxi = NULL;
++found:
++ vxdprintk(VXD_CBIT(nid, 0),
++ "__lookup_nx_info(#%u): %p[#%u]",
++ nid, nxi, nxi ? nxi->nx_id : 0);
++ return nxi;
++}
++
++
++/* __create_nx_info()
++
++ * create the requested context
++ * get(), claim() and hash it */
++
++static struct nx_info *__create_nx_info(int id)
++{
++ struct nx_info *new, *nxi = NULL;
++
++ vxdprintk(VXD_CBIT(nid, 1), "create_nx_info(%d)*", id);
++
++ if (!(new = __alloc_nx_info(id)))
++ return ERR_PTR(-ENOMEM);
++
++ /* required to make dynamic xids unique */
++ spin_lock(&nx_info_hash_lock);
++
++ /* static context requested */
++ if ((nxi = __lookup_nx_info(id))) {
++ vxdprintk(VXD_CBIT(nid, 0),
++ "create_nx_info(%d) = %p (already there)", id, nxi);
++ if (nx_info_flags(nxi, NXF_STATE_SETUP, 0))
++ nxi = ERR_PTR(-EBUSY);
++ else
++ nxi = ERR_PTR(-EEXIST);
++ goto out_unlock;
++ }
++ /* new context */
++ vxdprintk(VXD_CBIT(nid, 0),
++ "create_nx_info(%d) = %p (new)", id, new);
++ claim_nx_info(new, NULL);
++ __nx_set_lback(new);
++ __hash_nx_info(get_nx_info(new));
++ nxi = new, new = NULL;
++
++out_unlock:
++ spin_unlock(&nx_info_hash_lock);
++ if (new)
++ __dealloc_nx_info(new);
++ return nxi;
++}
++
++
++
++/* exported stuff */
++
++
++void unhash_nx_info(struct nx_info *nxi)
++{
++ __shutdown_nx_info(nxi);
++ spin_lock(&nx_info_hash_lock);
++ __unhash_nx_info(nxi);
++ spin_unlock(&nx_info_hash_lock);
++}
++
++/* lookup_nx_info()
++
++ * search for a nx_info and get() it
++ * negative id means current */
++
++struct nx_info *lookup_nx_info(int id)
++{
++ struct nx_info *nxi = NULL;
++
++ if (id < 0) {
++ nxi = get_nx_info(current_nx_info());
++ } else if (id > 1) {
++ spin_lock(&nx_info_hash_lock);
++ nxi = get_nx_info(__lookup_nx_info(id));
++ spin_unlock(&nx_info_hash_lock);
++ }
++ return nxi;
++}
++
++/* nid_is_hashed()
++
++ * verify that nid is still hashed */
++
++int nid_is_hashed(nid_t nid)
++{
++ int hashed;
++
++ spin_lock(&nx_info_hash_lock);
++ hashed = (__lookup_nx_info(nid) != NULL);
++ spin_unlock(&nx_info_hash_lock);
++ return hashed;
++}
++
++
++#ifdef CONFIG_PROC_FS
++
++/* get_nid_list()
++
++ * get a subset of hashed nids for proc
++ * assumes size is at least one */
++
++int get_nid_list(int index, unsigned int *nids, int size)
++{
++ int hindex, nr_nids = 0;
++
++ /* only show current and children */
++ if (!nx_check(0, VS_ADMIN | VS_WATCH)) {
++ if (index > 0)
++ return 0;
++ nids[nr_nids] = nx_current_nid();
++ return 1;
++ }
++
++ for (hindex = 0; hindex < NX_HASH_SIZE; hindex++) {
++ struct hlist_head *head = &nx_info_hash[hindex];
++ struct hlist_node *pos;
++
++ spin_lock(&nx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ struct nx_info *nxi;
++
++ if (--index > 0)
++ continue;
++
++ nxi = hlist_entry(pos, struct nx_info, nx_hlist);
++ nids[nr_nids] = nxi->nx_id;
++ if (++nr_nids >= size) {
++ spin_unlock(&nx_info_hash_lock);
++ goto out;
++ }
++ }
++ /* keep the lock time short */
++ spin_unlock(&nx_info_hash_lock);
++ }
++out:
++ return nr_nids;
++}
++#endif
++
++
++/*
++ * migrate task to new network
++ * gets nxi, puts old_nxi on change
++ */
++
++int nx_migrate_task(struct task_struct *p, struct nx_info *nxi)
++{
++ struct nx_info *old_nxi;
++ int ret = 0;
++
++ if (!p || !nxi)
++ BUG();
++
++ vxdprintk(VXD_CBIT(nid, 5),
++ "nx_migrate_task(%p,%p[#%d.%d.%d])",
++ p, nxi, nxi->nx_id,
++ atomic_read(&nxi->nx_usecnt),
++ atomic_read(&nxi->nx_tasks));
++
++ if (nx_info_flags(nxi, NXF_INFO_PRIVATE, 0) &&
++ !nx_info_flags(nxi, NXF_STATE_SETUP, 0))
++ return -EACCES;
++
++ if (nx_info_state(nxi, NXS_SHUTDOWN))
++ return -EFAULT;
++
++ /* maybe disallow this completely? */
++ old_nxi = task_get_nx_info(p);
++ if (old_nxi == nxi)
++ goto out;
++
++ task_lock(p);
++ if (old_nxi)
++ clr_nx_info(&p->nx_info);
++ claim_nx_info(nxi, p);
++ set_nx_info(&p->nx_info, nxi);
++ p->nid = nxi->nx_id;
++ task_unlock(p);
++
++ vxdprintk(VXD_CBIT(nid, 5),
++ "moved task %p into nxi:%p[#%d]",
++ p, nxi, nxi->nx_id);
++
++ if (old_nxi)
++ release_nx_info(old_nxi, p);
++ ret = 0;
++out:
++ put_nx_info(old_nxi);
++ return ret;
++}
++
++
++void nx_set_persistent(struct nx_info *nxi)
++{
++ vxdprintk(VXD_CBIT(nid, 6),
++ "nx_set_persistent(%p[#%d])", nxi, nxi->nx_id);
++
++ get_nx_info(nxi);
++ claim_nx_info(nxi, NULL);
++}
++
++void nx_clear_persistent(struct nx_info *nxi)
++{
++ vxdprintk(VXD_CBIT(nid, 6),
++ "nx_clear_persistent(%p[#%d])", nxi, nxi->nx_id);
++
++ release_nx_info(nxi, NULL);
++ put_nx_info(nxi);
++}
++
++void nx_update_persistent(struct nx_info *nxi)
++{
++ if (nx_info_flags(nxi, NXF_PERSISTENT, 0))
++ nx_set_persistent(nxi);
++ else
++ nx_clear_persistent(nxi);
++}
++
++/* vserver syscall commands below here */
++
++/* taks nid and nx_info functions */
++
++#include <asm/uaccess.h>
++
++
++int vc_task_nid(uint32_t id)
++{
++ nid_t nid;
++
++ if (id) {
++ struct task_struct *tsk;
++
++ rcu_read_lock();
++ tsk = find_task_by_real_pid(id);
++ nid = (tsk) ? tsk->nid : -ESRCH;
++ rcu_read_unlock();
++ } else
++ nid = nx_current_nid();
++ return nid;
++}
++
++
++int vc_nx_info(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_nx_info_v0 vc_data;
++
++ vc_data.nid = nxi->nx_id;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++/* network functions */
++
++int vc_net_create(uint32_t nid, void __user *data)
++{
++ struct vcmd_net_create vc_data = { .flagword = NXF_INIT_SET };
++ struct nx_info *new_nxi;
++ int ret;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if ((nid > MAX_S_CONTEXT) || (nid < 2))
++ return -EINVAL;
++
++ new_nxi = __create_nx_info(nid);
++ if (IS_ERR(new_nxi))
++ return PTR_ERR(new_nxi);
++
++ /* initial flags */
++ new_nxi->nx_flags = vc_data.flagword;
++
++ ret = -ENOEXEC;
++ if (vs_net_change(new_nxi, VSC_NETUP))
++ goto out;
++
++ ret = nx_migrate_task(current, new_nxi);
++ if (ret)
++ goto out;
++
++ /* return context id on success */
++ ret = new_nxi->nx_id;
++
++ /* get a reference for persistent contexts */
++ if ((vc_data.flagword & NXF_PERSISTENT))
++ nx_set_persistent(new_nxi);
++out:
++ release_nx_info(new_nxi, NULL);
++ put_nx_info(new_nxi);
++ return ret;
++}
++
++
++int vc_net_migrate(struct nx_info *nxi, void __user *data)
++{
++ return nx_migrate_task(current, nxi);
++}
++
++
++
++int do_add_v4_addr(struct nx_info *nxi, __be32 ip, __be32 ip2, __be32 mask,
++ uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v4 *nxa = &nxi->v4;
++
++ if (NX_IPV4(nxi)) {
++ /* locate last entry */
++ for (; nxa->next; nxa = nxa->next);
++ nxa->next = __alloc_nx_addr_v4();
++ nxa = nxa->next;
++
++ if (IS_ERR(nxa))
++ return PTR_ERR(nxa);
++ }
++
++ if (nxi->v4.next)
++ /* remove single ip for ip list */
++ nxi->nx_flags &= ~NXF_SINGLE_IP;
++
++ nxa->ip[0].s_addr = ip;
++ nxa->ip[1].s_addr = ip2;
++ nxa->mask.s_addr = mask;
++ nxa->type = type;
++ nxa->flags = flags;
++ return 0;
++}
++
++int do_remove_v4_addr(struct nx_info *nxi, __be32 ip, __be32 ip2, __be32 mask,
++ uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v4 *nxa = &nxi->v4;
++
++ switch (type) {
++/* case NXA_TYPE_ADDR:
++ break; */
++
++ case NXA_TYPE_ANY:
++ __dealloc_nx_addr_v4_all(xchg(&nxa->next, NULL));
++ memset(nxa, 0, sizeof(*nxa));
++ break;
++
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++
++int vc_net_add(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_v0 vc_data;
++ int index, ret = 0;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_IPV4:
++ if ((vc_data.count < 1) || (vc_data.count > 4))
++ return -EINVAL;
++
++ index = 0;
++ while (index < vc_data.count) {
++ ret = do_add_v4_addr(nxi, vc_data.ip[index].s_addr, 0,
++ vc_data.mask[index].s_addr, NXA_TYPE_ADDR, 0);
++ if (ret)
++ return ret;
++ index++;
++ }
++ ret = index;
++ break;
++
++ case NXA_TYPE_IPV4|NXA_MOD_BCAST:
++ nxi->v4_bcast = vc_data.ip[0];
++ ret = 1;
++ break;
++
++ case NXA_TYPE_IPV4|NXA_MOD_LBACK:
++ nxi->v4_lback = vc_data.ip[0];
++ ret = 1;
++ break;
++
++ default:
++ ret = -EINVAL;
++ break;
++ }
++ return ret;
++}
++
++int vc_net_remove(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_v0 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ANY:
++ __dealloc_nx_addr_v4_all(xchg(&nxi->v4.next, NULL));
++ memset(&nxi->v4, 0, sizeof(nxi->v4));
++ break;
++
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++
++int vc_net_add_ipv4_v1(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ case NXA_TYPE_MASK:
++ return do_add_v4_addr(nxi, vc_data.ip.s_addr, 0,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++
++ case NXA_TYPE_ADDR | NXA_MOD_BCAST:
++ nxi->v4_bcast = vc_data.ip;
++ break;
++
++ case NXA_TYPE_ADDR | NXA_MOD_LBACK:
++ nxi->v4_lback = vc_data.ip;
++ break;
++
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++int vc_net_add_ipv4(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v2 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ case NXA_TYPE_MASK:
++ case NXA_TYPE_RANGE:
++ return do_add_v4_addr(nxi, vc_data.ip.s_addr, vc_data.ip2.s_addr,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++
++ case NXA_TYPE_ADDR | NXA_MOD_BCAST:
++ nxi->v4_bcast = vc_data.ip;
++ break;
++
++ case NXA_TYPE_ADDR | NXA_MOD_LBACK:
++ nxi->v4_lback = vc_data.ip;
++ break;
++
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++int vc_net_rem_ipv4_v1(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_remove_v4_addr(nxi, vc_data.ip.s_addr, 0,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++}
++
++int vc_net_rem_ipv4(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v2 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_remove_v4_addr(nxi, vc_data.ip.s_addr, vc_data.ip2.s_addr,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++}
++
++#ifdef CONFIG_IPV6
++
++int do_add_v6_addr(struct nx_info *nxi,
++ struct in6_addr *ip, struct in6_addr *mask,
++ uint32_t prefix, uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v6 *nxa = &nxi->v6;
++
++ if (NX_IPV6(nxi)) {
++ /* locate last entry */
++ for (; nxa->next; nxa = nxa->next);
++ nxa->next = __alloc_nx_addr_v6();
++ nxa = nxa->next;
++
++ if (IS_ERR(nxa))
++ return PTR_ERR(nxa);
++ }
++
++ nxa->ip = *ip;
++ nxa->mask = *mask;
++ nxa->prefix = prefix;
++ nxa->type = type;
++ nxa->flags = flags;
++ return 0;
++}
++
++
++int vc_net_add_ipv6(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv6_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ memset(&vc_data.mask, ~0, sizeof(vc_data.mask));
++ /* fallthrough */
++ case NXA_TYPE_MASK:
++ return do_add_v6_addr(nxi, &vc_data.ip, &vc_data.mask,
++ vc_data.prefix, vc_data.type, vc_data.flags);
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++int vc_net_remove_ipv6(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv6_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ANY:
++ __dealloc_nx_addr_v6_all(xchg(&nxi->v6.next, NULL));
++ memset(&nxi->v6, 0, sizeof(nxi->v6));
++ break;
++
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++#endif /* CONFIG_IPV6 */
++
++
++int vc_get_nflags(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_flags_v0 vc_data;
++
++ vc_data.flagword = nxi->nx_flags;
++
++ /* special STATE flag handling */
++ vc_data.mask = vs_mask_flags(~0ULL, nxi->nx_flags, NXF_ONE_TIME);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_nflags(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_flags_v0 vc_data;
++ uint64_t mask, trigger;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ /* special STATE flag handling */
++ mask = vs_mask_mask(vc_data.mask, nxi->nx_flags, NXF_ONE_TIME);
++ trigger = (mask & nxi->nx_flags) ^ (mask & vc_data.flagword);
++
++ nxi->nx_flags = vs_mask_flags(nxi->nx_flags,
++ vc_data.flagword, mask);
++ if (trigger & NXF_PERSISTENT)
++ nx_update_persistent(nxi);
++
++ return 0;
++}
++
++int vc_get_ncaps(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_caps_v0 vc_data;
++
++ vc_data.ncaps = nxi->nx_ncaps;
++ vc_data.cmask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_ncaps(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_caps_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ nxi->nx_ncaps = vs_mask_flags(nxi->nx_ncaps,
++ vc_data.ncaps, vc_data.cmask);
++ return 0;
++}
++
++
++#include <linux/module.h>
++
++module_init(init_network);
++
++EXPORT_SYMBOL_GPL(free_nx_info);
++EXPORT_SYMBOL_GPL(unhash_nx_info);
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/proc.c linux-3.4.45-vs2.3.3.9/kernel/vserver/proc.c
+--- linux-3.4.45/kernel/vserver/proc.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/proc.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,1103 @@
++/*
++ * linux/kernel/vserver/proc.c
++ *
++ * Virtual Context Support
++ *
++ * Copyright (C) 2003-2011 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ * V0.02 adaptation vs1.3.0
++ * V0.03 proc permissions
++ * V0.04 locking/generic
++ * V0.05 next generation procfs
++ * V0.06 inode validation
++ * V0.07 generic rewrite vid
++ * V0.08 remove inode type
++ * V0.09 added u/wmask info
++ *
++ */
++
++#include <linux/proc_fs.h>
++#include <linux/fs_struct.h>
++#include <linux/mount.h>
++#include <asm/unistd.h>
++
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_cvirt.h>
++
++#include <linux/in.h>
++#include <linux/inetdevice.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
++
++#include <linux/vserver/global.h>
++
++#include "cvirt_proc.h"
++#include "cacct_proc.h"
++#include "limit_proc.h"
++#include "sched_proc.h"
++#include "vci_config.h"
++
++
++static inline char *print_cap_t(char *buffer, kernel_cap_t *c)
++{
++ unsigned __capi;
++
++ CAP_FOR_EACH_U32(__capi) {
++ buffer += sprintf(buffer, "%08x",
++ c->cap[(_KERNEL_CAPABILITY_U32S-1) - __capi]);
++ }
++ return buffer;
++}
++
++
++static struct proc_dir_entry *proc_virtual;
++
++static struct proc_dir_entry *proc_virtnet;
++
++
++/* first the actual feeds */
++
++
++static int proc_vci(char *buffer)
++{
++ return sprintf(buffer,
++ "VCIVersion:\t%04x:%04x\n"
++ "VCISyscall:\t%d\n"
++ "VCIKernel:\t%08x\n",
++ VCI_VERSION >> 16,
++ VCI_VERSION & 0xFFFF,
++ __NR_vserver,
++ vci_kernel_config());
++}
++
++static int proc_virtual_info(char *buffer)
++{
++ return proc_vci(buffer);
++}
++
++static int proc_virtual_status(char *buffer)
++{
++ return sprintf(buffer,
++ "#CTotal:\t%d\n"
++ "#CActive:\t%d\n"
++ "#NSProxy:\t%d\t%d %d %d %d %d %d\n"
++ "#InitTask:\t%d\t%d %d\n",
++ atomic_read(&vx_global_ctotal),
++ atomic_read(&vx_global_cactive),
++ atomic_read(&vs_global_nsproxy),
++ atomic_read(&vs_global_fs),
++ atomic_read(&vs_global_mnt_ns),
++ atomic_read(&vs_global_uts_ns),
++ atomic_read(&nr_ipc_ns),
++ atomic_read(&vs_global_user_ns),
++ atomic_read(&vs_global_pid_ns),
++ atomic_read(&init_task.usage),
++ atomic_read(&init_task.nsproxy->count),
++ init_task.fs->users);
++}
++
++
++int proc_vxi_info(struct vx_info *vxi, char *buffer)
++{
++ int length;
++
++ length = sprintf(buffer,
++ "ID:\t%d\n"
++ "Info:\t%p\n"
++ "Init:\t%d\n"
++ "OOM:\t%lld\n",
++ vxi->vx_id,
++ vxi,
++ vxi->vx_initpid,
++ vxi->vx_badness_bias);
++ return length;
++}
++
++int proc_vxi_status(struct vx_info *vxi, char *buffer)
++{
++ char *orig = buffer;
++
++ buffer += sprintf(buffer,
++ "UseCnt:\t%d\n"
++ "Tasks:\t%d\n"
++ "Flags:\t%016llx\n",
++ atomic_read(&vxi->vx_usecnt),
++ atomic_read(&vxi->vx_tasks),
++ (unsigned long long)vxi->vx_flags);
++
++ buffer += sprintf(buffer, "BCaps:\t");
++ buffer = print_cap_t(buffer, &vxi->vx_bcaps);
++ buffer += sprintf(buffer, "\n");
++
++ buffer += sprintf(buffer,
++ "CCaps:\t%016llx\n"
++ "Umask:\t%16llx\n"
++ "Wmask:\t%16llx\n"
++ "Spaces:\t%08lx %08lx\n",
++ (unsigned long long)vxi->vx_ccaps,
++ (unsigned long long)vxi->vx_umask,
++ (unsigned long long)vxi->vx_wmask,
++ vxi->space[0].vx_nsmask, vxi->space[1].vx_nsmask);
++ return buffer - orig;
++}
++
++int proc_vxi_limit(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_limit(&vxi->limit, buffer);
++}
++
++int proc_vxi_sched(struct vx_info *vxi, char *buffer)
++{
++ int cpu, length;
++
++ length = vx_info_proc_sched(&vxi->sched, buffer);
++ for_each_online_cpu(cpu) {
++ length += vx_info_proc_sched_pc(
++ &vx_per_cpu(vxi, sched_pc, cpu),
++ buffer + length, cpu);
++ }
++ return length;
++}
++
++int proc_vxi_nsproxy0(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_nsproxy(vxi->space[0].vx_nsproxy, buffer);
++}
++
++int proc_vxi_nsproxy1(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_nsproxy(vxi->space[1].vx_nsproxy, buffer);
++}
++
++int proc_vxi_cvirt(struct vx_info *vxi, char *buffer)
++{
++ int cpu, length;
++
++ vx_update_load(vxi);
++ length = vx_info_proc_cvirt(&vxi->cvirt, buffer);
++ for_each_online_cpu(cpu) {
++ length += vx_info_proc_cvirt_pc(
++ &vx_per_cpu(vxi, cvirt_pc, cpu),
++ buffer + length, cpu);
++ }
++ return length;
++}
++
++int proc_vxi_cacct(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_cacct(&vxi->cacct, buffer);
++}
++
++
++static int proc_virtnet_info(char *buffer)
++{
++ return proc_vci(buffer);
++}
++
++static int proc_virtnet_status(char *buffer)
++{
++ return sprintf(buffer,
++ "#CTotal:\t%d\n"
++ "#CActive:\t%d\n",
++ atomic_read(&nx_global_ctotal),
++ atomic_read(&nx_global_cactive));
++}
++
++int proc_nxi_info(struct nx_info *nxi, char *buffer)
++{
++ struct nx_addr_v4 *v4a;
++#ifdef CONFIG_IPV6
++ struct nx_addr_v6 *v6a;
++#endif
++ int length, i;
++
++ length = sprintf(buffer,
++ "ID:\t%d\n"
++ "Info:\t%p\n"
++ "Bcast:\t" NIPQUAD_FMT "\n"
++ "Lback:\t" NIPQUAD_FMT "\n",
++ nxi->nx_id,
++ nxi,
++ NIPQUAD(nxi->v4_bcast.s_addr),
++ NIPQUAD(nxi->v4_lback.s_addr));
++
++ if (!NX_IPV4(nxi))
++ goto skip_v4;
++ for (i = 0, v4a = &nxi->v4; v4a; i++, v4a = v4a->next)
++ length += sprintf(buffer + length, "%d:\t" NXAV4_FMT "\n",
++ i, NXAV4(v4a));
++skip_v4:
++#ifdef CONFIG_IPV6
++ if (!NX_IPV6(nxi))
++ goto skip_v6;
++ for (i = 0, v6a = &nxi->v6; v6a; i++, v6a = v6a->next)
++ length += sprintf(buffer + length, "%d:\t" NXAV6_FMT "\n",
++ i, NXAV6(v6a));
++skip_v6:
++#endif
++ return length;
++}
++
++int proc_nxi_status(struct nx_info *nxi, char *buffer)
++{
++ int length;
++
++ length = sprintf(buffer,
++ "UseCnt:\t%d\n"
++ "Tasks:\t%d\n"
++ "Flags:\t%016llx\n"
++ "NCaps:\t%016llx\n",
++ atomic_read(&nxi->nx_usecnt),
++ atomic_read(&nxi->nx_tasks),
++ (unsigned long long)nxi->nx_flags,
++ (unsigned long long)nxi->nx_ncaps);
++ return length;
++}
++
++
++
++/* here the inode helpers */
++
++struct vs_entry {
++ int len;
++ char *name;
++ mode_t mode;
++ struct inode_operations *iop;
++ struct file_operations *fop;
++ union proc_op op;
++};
++
++static struct inode *vs_proc_make_inode(struct super_block *sb, struct vs_entry *p)
++{
++ struct inode *inode = new_inode(sb);
++
++ if (!inode)
++ goto out;
++
++ inode->i_mode = p->mode;
++ if (p->iop)
++ inode->i_op = p->iop;
++ if (p->fop)
++ inode->i_fop = p->fop;
++
++ set_nlink(inode, (p->mode & S_IFDIR) ? 2 : 1);
++ inode->i_flags |= S_IMMUTABLE;
++
++ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
++
++ inode->i_uid = 0;
++ inode->i_gid = 0;
++ inode->i_tag = 0;
++out:
++ return inode;
++}
++
++static struct dentry *vs_proc_instantiate(struct inode *dir,
++ struct dentry *dentry, int id, void *ptr)
++{
++ struct vs_entry *p = ptr;
++ struct inode *inode = vs_proc_make_inode(dir->i_sb, p);
++ struct dentry *error = ERR_PTR(-EINVAL);
++
++ if (!inode)
++ goto out;
++
++ PROC_I(inode)->op = p->op;
++ PROC_I(inode)->fd = id;
++ d_add(dentry, inode);
++ error = NULL;
++out:
++ return error;
++}
++
++/* Lookups */
++
++typedef struct dentry *instantiate_t(struct inode *, struct dentry *, int, void *);
++
++/*
++ * Fill a directory entry.
++ *
++ * If possible create the dcache entry and derive our inode number and
++ * file type from dcache entry.
++ *
++ * Since all of the proc inode numbers are dynamically generated, the inode
++ * numbers do not exist until the inode is cache. This means creating the
++ * the dcache entry in readdir is necessary to keep the inode numbers
++ * reported by readdir in sync with the inode numbers reported
++ * by stat.
++ */
++static int proc_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
++ char *name, int len, instantiate_t instantiate, int id, void *ptr)
++{
++ struct dentry *child, *dir = filp->f_dentry;
++ struct inode *inode;
++ struct qstr qname;
++ ino_t ino = 0;
++ unsigned type = DT_UNKNOWN;
++
++ qname.name = name;
++ qname.len = len;
++ qname.hash = full_name_hash(name, len);
++
++ child = d_lookup(dir, &qname);
++ if (!child) {
++ struct dentry *new;
++ new = d_alloc(dir, &qname);
++ if (new) {
++ child = instantiate(dir->d_inode, new, id, ptr);
++ if (child)
++ dput(new);
++ else
++ child = new;
++ }
++ }
++ if (!child || IS_ERR(child) || !child->d_inode)
++ goto end_instantiate;
++ inode = child->d_inode;
++ if (inode) {
++ ino = inode->i_ino;
++ type = inode->i_mode >> 12;
++ }
++ dput(child);
++end_instantiate:
++ if (!ino)
++ ino = find_inode_number(dir, &qname);
++ if (!ino)
++ ino = 1;
++ return filldir(dirent, name, len, filp->f_pos, ino, type);
++}
++
++
++
++/* get and revalidate vx_info/xid */
++
++static inline
++struct vx_info *get_proc_vx_info(struct inode *inode)
++{
++ return lookup_vx_info(PROC_I(inode)->fd);
++}
++
++static int proc_xid_revalidate(struct dentry *dentry, struct nameidata *nd)
++{
++ struct inode *inode = dentry->d_inode;
++ xid_t xid = PROC_I(inode)->fd;
++
++ if (!xid || xid_is_hashed(xid))
++ return 1;
++ d_drop(dentry);
++ return 0;
++}
++
++
++/* get and revalidate nx_info/nid */
++
++static int proc_nid_revalidate(struct dentry *dentry, struct nameidata *nd)
++{
++ struct inode *inode = dentry->d_inode;
++ nid_t nid = PROC_I(inode)->fd;
++
++ if (!nid || nid_is_hashed(nid))
++ return 1;
++ d_drop(dentry);
++ return 0;
++}
++
++
++
++#define PROC_BLOCK_SIZE (PAGE_SIZE - 1024)
++
++static ssize_t proc_vs_info_read(struct file *file, char __user *buf,
++ size_t count, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ unsigned long page;
++ ssize_t length = 0;
++
++ if (count > PROC_BLOCK_SIZE)
++ count = PROC_BLOCK_SIZE;
++
++ /* fade that out as soon as stable */
++ WARN_ON(PROC_I(inode)->fd);
++
++ if (!(page = __get_free_page(GFP_KERNEL)))
++ return -ENOMEM;
++
++ BUG_ON(!PROC_I(inode)->op.proc_vs_read);
++ length = PROC_I(inode)->op.proc_vs_read((char *)page);
++
++ if (length >= 0)
++ length = simple_read_from_buffer(buf, count, ppos,
++ (char *)page, length);
++
++ free_page(page);
++ return length;
++}
++
++static ssize_t proc_vx_info_read(struct file *file, char __user *buf,
++ size_t count, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ struct vx_info *vxi = NULL;
++ xid_t xid = PROC_I(inode)->fd;
++ unsigned long page;
++ ssize_t length = 0;
++
++ if (count > PROC_BLOCK_SIZE)
++ count = PROC_BLOCK_SIZE;
++
++ /* fade that out as soon as stable */
++ WARN_ON(!xid);
++ vxi = lookup_vx_info(xid);
++ if (!vxi)
++ goto out;
++
++ length = -ENOMEM;
++ if (!(page = __get_free_page(GFP_KERNEL)))
++ goto out_put;
++
++ BUG_ON(!PROC_I(inode)->op.proc_vxi_read);
++ length = PROC_I(inode)->op.proc_vxi_read(vxi, (char *)page);
++
++ if (length >= 0)
++ length = simple_read_from_buffer(buf, count, ppos,
++ (char *)page, length);
++
++ free_page(page);
++out_put:
++ put_vx_info(vxi);
++out:
++ return length;
++}
++
++static ssize_t proc_nx_info_read(struct file *file, char __user *buf,
++ size_t count, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ struct nx_info *nxi = NULL;
++ nid_t nid = PROC_I(inode)->fd;
++ unsigned long page;
++ ssize_t length = 0;
++
++ if (count > PROC_BLOCK_SIZE)
++ count = PROC_BLOCK_SIZE;
++
++ /* fade that out as soon as stable */
++ WARN_ON(!nid);
++ nxi = lookup_nx_info(nid);
++ if (!nxi)
++ goto out;
++
++ length = -ENOMEM;
++ if (!(page = __get_free_page(GFP_KERNEL)))
++ goto out_put;
++
++ BUG_ON(!PROC_I(inode)->op.proc_nxi_read);
++ length = PROC_I(inode)->op.proc_nxi_read(nxi, (char *)page);
++
++ if (length >= 0)
++ length = simple_read_from_buffer(buf, count, ppos,
++ (char *)page, length);
++
++ free_page(page);
++out_put:
++ put_nx_info(nxi);
++out:
++ return length;
++}
++
++
++
++/* here comes the lower level */
++
++
++#define NOD(NAME, MODE, IOP, FOP, OP) { \
++ .len = sizeof(NAME) - 1, \
++ .name = (NAME), \
++ .mode = MODE, \
++ .iop = IOP, \
++ .fop = FOP, \
++ .op = OP, \
++}
++
++
++#define DIR(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFDIR | (MODE)), \
++ &proc_ ## OTYPE ## _inode_operations, \
++ &proc_ ## OTYPE ## _file_operations, { } )
++
++#define INF(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFREG | (MODE)), NULL, \
++ &proc_vs_info_file_operations, \
++ { .proc_vs_read = &proc_##OTYPE } )
++
++#define VINF(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFREG | (MODE)), NULL, \
++ &proc_vx_info_file_operations, \
++ { .proc_vxi_read = &proc_##OTYPE } )
++
++#define NINF(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFREG | (MODE)), NULL, \
++ &proc_nx_info_file_operations, \
++ { .proc_nxi_read = &proc_##OTYPE } )
++
++
++static struct file_operations proc_vs_info_file_operations = {
++ .read = proc_vs_info_read,
++};
++
++static struct file_operations proc_vx_info_file_operations = {
++ .read = proc_vx_info_read,
++};
++
++static struct dentry_operations proc_xid_dentry_operations = {
++ .d_revalidate = proc_xid_revalidate,
++};
++
++static struct vs_entry vx_base_stuff[] = {
++ VINF("info", S_IRUGO, vxi_info),
++ VINF("status", S_IRUGO, vxi_status),
++ VINF("limit", S_IRUGO, vxi_limit),
++ VINF("sched", S_IRUGO, vxi_sched),
++ VINF("nsproxy", S_IRUGO, vxi_nsproxy0),
++ VINF("nsproxy1",S_IRUGO, vxi_nsproxy1),
++ VINF("cvirt", S_IRUGO, vxi_cvirt),
++ VINF("cacct", S_IRUGO, vxi_cacct),
++ {}
++};
++
++
++
++
++static struct dentry *proc_xid_instantiate(struct inode *dir,
++ struct dentry *dentry, int id, void *ptr)
++{
++ dentry->d_op = &proc_xid_dentry_operations;
++ return vs_proc_instantiate(dir, dentry, id, ptr);
++}
++
++static struct dentry *proc_xid_lookup(struct inode *dir,
++ struct dentry *dentry, struct nameidata *nd)
++{
++ struct vs_entry *p = vx_base_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (!p->name)
++ goto out;
++
++ error = proc_xid_instantiate(dir, dentry, PROC_I(dir)->fd, p);
++out:
++ return error;
++}
++
++static int proc_xid_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = vx_base_stuff;
++ int size = sizeof(vx_base_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto out;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, PROC_I(inode)->fd, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 1;
++}
++
++
++
++static struct file_operations proc_nx_info_file_operations = {
++ .read = proc_nx_info_read,
++};
++
++static struct dentry_operations proc_nid_dentry_operations = {
++ .d_revalidate = proc_nid_revalidate,
++};
++
++static struct vs_entry nx_base_stuff[] = {
++ NINF("info", S_IRUGO, nxi_info),
++ NINF("status", S_IRUGO, nxi_status),
++ {}
++};
++
++
++static struct dentry *proc_nid_instantiate(struct inode *dir,
++ struct dentry *dentry, int id, void *ptr)
++{
++ dentry->d_op = &proc_nid_dentry_operations;
++ return vs_proc_instantiate(dir, dentry, id, ptr);
++}
++
++static struct dentry *proc_nid_lookup(struct inode *dir,
++ struct dentry *dentry, struct nameidata *nd)
++{
++ struct vs_entry *p = nx_base_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (!p->name)
++ goto out;
++
++ error = proc_nid_instantiate(dir, dentry, PROC_I(dir)->fd, p);
++out:
++ return error;
++}
++
++static int proc_nid_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = nx_base_stuff;
++ int size = sizeof(nx_base_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto out;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, PROC_I(inode)->fd, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 1;
++}
++
++
++#define MAX_MULBY10 ((~0U - 9) / 10)
++
++static inline int atovid(const char *str, int len)
++{
++ int vid, c;
++
++ vid = 0;
++ while (len-- > 0) {
++ c = *str - '0';
++ str++;
++ if (c > 9)
++ return -1;
++ if (vid >= MAX_MULBY10)
++ return -1;
++ vid *= 10;
++ vid += c;
++ if (!vid)
++ return -1;
++ }
++ return vid;
++}
++
++/* now the upper level (virtual) */
++
++
++static struct file_operations proc_xid_file_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_xid_readdir,
++};
++
++static struct inode_operations proc_xid_inode_operations = {
++ .lookup = proc_xid_lookup,
++};
++
++static struct vs_entry vx_virtual_stuff[] = {
++ INF("info", S_IRUGO, virtual_info),
++ INF("status", S_IRUGO, virtual_status),
++ DIR(NULL, S_IRUGO | S_IXUGO, xid),
++};
++
++
++static struct dentry *proc_virtual_lookup(struct inode *dir,
++ struct dentry *dentry, struct nameidata *nd)
++{
++ struct vs_entry *p = vx_virtual_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++ int id = 0;
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (p->name)
++ goto instantiate;
++
++ id = atovid(dentry->d_name.name, dentry->d_name.len);
++ if ((id < 0) || !xid_is_hashed(id))
++ goto out;
++
++instantiate:
++ error = proc_xid_instantiate(dir, dentry, id, p);
++out:
++ return error;
++}
++
++static struct file_operations proc_nid_file_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_nid_readdir,
++};
++
++static struct inode_operations proc_nid_inode_operations = {
++ .lookup = proc_nid_lookup,
++};
++
++static struct vs_entry nx_virtnet_stuff[] = {
++ INF("info", S_IRUGO, virtnet_info),
++ INF("status", S_IRUGO, virtnet_status),
++ DIR(NULL, S_IRUGO | S_IXUGO, nid),
++};
++
++
++static struct dentry *proc_virtnet_lookup(struct inode *dir,
++ struct dentry *dentry, struct nameidata *nd)
++{
++ struct vs_entry *p = nx_virtnet_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++ int id = 0;
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (p->name)
++ goto instantiate;
++
++ id = atovid(dentry->d_name.name, dentry->d_name.len);
++ if ((id < 0) || !nid_is_hashed(id))
++ goto out;
++
++instantiate:
++ error = proc_nid_instantiate(dir, dentry, id, p);
++out:
++ return error;
++}
++
++
++#define PROC_MAXVIDS 32
++
++int proc_virtual_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = vx_virtual_stuff;
++ int size = sizeof(vx_virtual_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ unsigned int xid_array[PROC_MAXVIDS];
++ char buf[PROC_NUMBUF];
++ unsigned int nr_xids, i;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto entries;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, 0, p))
++ goto out;
++ pos++;
++ }
++ entries:
++ index = pos - size;
++ p = &vx_virtual_stuff[size - 1];
++ nr_xids = get_xid_list(index, xid_array, PROC_MAXVIDS);
++ for (i = 0; i < nr_xids; i++) {
++ int n, xid = xid_array[i];
++ unsigned int j = PROC_NUMBUF;
++
++ n = xid;
++ do
++ buf[--j] = '0' + (n % 10);
++ while (n /= 10);
++
++ if (proc_fill_cache(filp, dirent, filldir,
++ buf + j, PROC_NUMBUF - j,
++ vs_proc_instantiate, xid, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 0;
++}
++
++static int proc_virtual_getattr(struct vfsmount *mnt,
++ struct dentry *dentry, struct kstat *stat)
++{
++ struct inode *inode = dentry->d_inode;
++
++ generic_fillattr(inode, stat);
++ stat->nlink = 2 + atomic_read(&vx_global_cactive);
++ return 0;
++}
++
++static struct file_operations proc_virtual_dir_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_virtual_readdir,
++};
++
++static struct inode_operations proc_virtual_dir_inode_operations = {
++ .getattr = proc_virtual_getattr,
++ .lookup = proc_virtual_lookup,
++};
++
++
++
++
++
++int proc_virtnet_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = nx_virtnet_stuff;
++ int size = sizeof(nx_virtnet_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ unsigned int nid_array[PROC_MAXVIDS];
++ char buf[PROC_NUMBUF];
++ unsigned int nr_nids, i;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto entries;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, 0, p))
++ goto out;
++ pos++;
++ }
++ entries:
++ index = pos - size;
++ p = &nx_virtnet_stuff[size - 1];
++ nr_nids = get_nid_list(index, nid_array, PROC_MAXVIDS);
++ for (i = 0; i < nr_nids; i++) {
++ int n, nid = nid_array[i];
++ unsigned int j = PROC_NUMBUF;
++
++ n = nid;
++ do
++ buf[--j] = '0' + (n % 10);
++ while (n /= 10);
++
++ if (proc_fill_cache(filp, dirent, filldir,
++ buf + j, PROC_NUMBUF - j,
++ vs_proc_instantiate, nid, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 0;
++}
++
++static int proc_virtnet_getattr(struct vfsmount *mnt,
++ struct dentry *dentry, struct kstat *stat)
++{
++ struct inode *inode = dentry->d_inode;
++
++ generic_fillattr(inode, stat);
++ stat->nlink = 2 + atomic_read(&nx_global_cactive);
++ return 0;
++}
++
++static struct file_operations proc_virtnet_dir_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_virtnet_readdir,
++};
++
++static struct inode_operations proc_virtnet_dir_inode_operations = {
++ .getattr = proc_virtnet_getattr,
++ .lookup = proc_virtnet_lookup,
++};
++
++
++
++void proc_vx_init(void)
++{
++ struct proc_dir_entry *ent;
++
++ ent = proc_mkdir("virtual", 0);
++ if (ent) {
++ ent->proc_fops = &proc_virtual_dir_operations;
++ ent->proc_iops = &proc_virtual_dir_inode_operations;
++ }
++ proc_virtual = ent;
++
++ ent = proc_mkdir("virtnet", 0);
++ if (ent) {
++ ent->proc_fops = &proc_virtnet_dir_operations;
++ ent->proc_iops = &proc_virtnet_dir_inode_operations;
++ }
++ proc_virtnet = ent;
++}
++
++
++
++
++/* per pid info */
++
++
++int proc_pid_vx_info(struct task_struct *p, char *buffer)
++{
++ struct vx_info *vxi;
++ char *orig = buffer;
++
++ buffer += sprintf(buffer, "XID:\t%d\n", vx_task_xid(p));
++
++ vxi = task_get_vx_info(p);
++ if (!vxi)
++ goto out;
++
++ buffer += sprintf(buffer, "BCaps:\t");
++ buffer = print_cap_t(buffer, &vxi->vx_bcaps);
++ buffer += sprintf(buffer, "\n");
++ buffer += sprintf(buffer, "CCaps:\t%016llx\n",
++ (unsigned long long)vxi->vx_ccaps);
++ buffer += sprintf(buffer, "CFlags:\t%016llx\n",
++ (unsigned long long)vxi->vx_flags);
++ buffer += sprintf(buffer, "CIPid:\t%d\n", vxi->vx_initpid);
++
++ put_vx_info(vxi);
++out:
++ return buffer - orig;
++}
++
++
++int proc_pid_nx_info(struct task_struct *p, char *buffer)
++{
++ struct nx_info *nxi;
++ struct nx_addr_v4 *v4a;
++#ifdef CONFIG_IPV6
++ struct nx_addr_v6 *v6a;
++#endif
++ char *orig = buffer;
++ int i;
++
++ buffer += sprintf(buffer, "NID:\t%d\n", nx_task_nid(p));
++
++ nxi = task_get_nx_info(p);
++ if (!nxi)
++ goto out;
++
++ buffer += sprintf(buffer, "NCaps:\t%016llx\n",
++ (unsigned long long)nxi->nx_ncaps);
++ buffer += sprintf(buffer, "NFlags:\t%016llx\n",
++ (unsigned long long)nxi->nx_flags);
++
++ buffer += sprintf(buffer,
++ "V4Root[bcast]:\t" NIPQUAD_FMT "\n",
++ NIPQUAD(nxi->v4_bcast.s_addr));
++ buffer += sprintf (buffer,
++ "V4Root[lback]:\t" NIPQUAD_FMT "\n",
++ NIPQUAD(nxi->v4_lback.s_addr));
++ if (!NX_IPV4(nxi))
++ goto skip_v4;
++ for (i = 0, v4a = &nxi->v4; v4a; i++, v4a = v4a->next)
++ buffer += sprintf(buffer, "V4Root[%d]:\t" NXAV4_FMT "\n",
++ i, NXAV4(v4a));
++skip_v4:
++#ifdef CONFIG_IPV6
++ if (!NX_IPV6(nxi))
++ goto skip_v6;
++ for (i = 0, v6a = &nxi->v6; v6a; i++, v6a = v6a->next)
++ buffer += sprintf(buffer, "V6Root[%d]:\t" NXAV6_FMT "\n",
++ i, NXAV6(v6a));
++skip_v6:
++#endif
++ put_nx_info(nxi);
++out:
++ return buffer - orig;
++}
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/sched.c linux-3.4.45-vs2.3.3.9/kernel/vserver/sched.c
+--- linux-3.4.45/kernel/vserver/sched.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/sched.c 2012-05-21 16:25:11.000000000 +0000
+@@ -0,0 +1,83 @@
++/*
++ * linux/kernel/vserver/sched.c
++ *
++ * Virtual Server: Scheduler Support
++ *
++ * Copyright (C) 2004-2010 Herbert Pötzl
++ *
++ * V0.01 adapted Sam Vilains version to 2.6.3
++ * V0.02 removed legacy interface
++ * V0.03 changed vcmds to vxi arg
++ * V0.04 removed older and legacy interfaces
++ * V0.05 removed scheduler code/commands
++ *
++ */
++
++#include <linux/vs_context.h>
++#include <linux/vs_sched.h>
++#include <linux/cpumask.h>
++#include <linux/vserver/sched_cmd.h>
++
++#include <asm/uaccess.h>
++
++
++void vx_update_sched_param(struct _vx_sched *sched,
++ struct _vx_sched_pc *sched_pc)
++{
++ sched_pc->prio_bias = sched->prio_bias;
++}
++
++static int do_set_prio_bias(struct vx_info *vxi, struct vcmd_prio_bias *data)
++{
++ int cpu;
++
++ if (data->prio_bias > MAX_PRIO_BIAS)
++ data->prio_bias = MAX_PRIO_BIAS;
++ if (data->prio_bias < MIN_PRIO_BIAS)
++ data->prio_bias = MIN_PRIO_BIAS;
++
++ if (data->cpu_id != ~0) {
++ vxi->sched.update = cpumask_of_cpu(data->cpu_id);
++ cpumask_and(&vxi->sched.update, &vxi->sched.update,
++ cpu_online_mask);
++ } else
++ cpumask_copy(&vxi->sched.update, cpu_online_mask);
++
++ for_each_cpu_mask(cpu, vxi->sched.update)
++ vx_update_sched_param(&vxi->sched,
++ &vx_per_cpu(vxi, sched_pc, cpu));
++ return 0;
++}
++
++int vc_set_prio_bias(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_prio_bias vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_prio_bias(vxi, &vc_data);
++}
++
++int vc_get_prio_bias(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_prio_bias vc_data;
++ struct _vx_sched_pc *pcd;
++ int cpu;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ cpu = vc_data.cpu_id;
++
++ if (!cpu_possible(cpu))
++ return -EINVAL;
++
++ pcd = &vx_per_cpu(vxi, sched_pc, cpu);
++ vc_data.prio_bias = pcd->prio_bias;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/sched_init.h linux-3.4.45-vs2.3.3.9/kernel/vserver/sched_init.h
+--- linux-3.4.45/kernel/vserver/sched_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/sched_init.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,27 @@
++
++static inline void vx_info_init_sched(struct _vx_sched *sched)
++{
++ /* scheduling; hard code starting values as constants */
++ sched->prio_bias = 0;
++}
++
++static inline
++void vx_info_init_sched_pc(struct _vx_sched_pc *sched_pc, int cpu)
++{
++ sched_pc->prio_bias = 0;
++
++ sched_pc->user_ticks = 0;
++ sched_pc->sys_ticks = 0;
++ sched_pc->hold_ticks = 0;
++}
++
++static inline void vx_info_exit_sched(struct _vx_sched *sched)
++{
++ return;
++}
++
++static inline
++void vx_info_exit_sched_pc(struct _vx_sched_pc *sched_pc, int cpu)
++{
++ return;
++}
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/sched_proc.h linux-3.4.45-vs2.3.3.9/kernel/vserver/sched_proc.h
+--- linux-3.4.45/kernel/vserver/sched_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/sched_proc.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,32 @@
++#ifndef _VX_SCHED_PROC_H
++#define _VX_SCHED_PROC_H
++
++
++static inline
++int vx_info_proc_sched(struct _vx_sched *sched, char *buffer)
++{
++ int length = 0;
++
++ length += sprintf(buffer,
++ "PrioBias:\t%8d\n",
++ sched->prio_bias);
++ return length;
++}
++
++static inline
++int vx_info_proc_sched_pc(struct _vx_sched_pc *sched_pc,
++ char *buffer, int cpu)
++{
++ int length = 0;
++
++ length += sprintf(buffer + length,
++ "cpu %d: %lld %lld %lld", cpu,
++ (unsigned long long)sched_pc->user_ticks,
++ (unsigned long long)sched_pc->sys_ticks,
++ (unsigned long long)sched_pc->hold_ticks);
++ length += sprintf(buffer + length,
++ " %d\n", sched_pc->prio_bias);
++ return length;
++}
++
++#endif /* _VX_SCHED_PROC_H */
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/signal.c linux-3.4.45-vs2.3.3.9/kernel/vserver/signal.c
+--- linux-3.4.45/kernel/vserver/signal.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/signal.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,134 @@
++/*
++ * linux/kernel/vserver/signal.c
++ *
++ * Virtual Server: Signal Support
++ *
++ * Copyright (C) 2003-2007 Herbert Pötzl
++ *
++ * V0.01 broken out from vcontext V0.05
++ * V0.02 changed vcmds to vxi arg
++ * V0.03 adjusted siginfo for kill
++ *
++ */
++
++#include <asm/uaccess.h>
++
++#include <linux/vs_context.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/signal_cmd.h>
++
++
++int vx_info_kill(struct vx_info *vxi, int pid, int sig)
++{
++ int retval, count = 0;
++ struct task_struct *p;
++ struct siginfo *sip = SEND_SIG_PRIV;
++
++ retval = -ESRCH;
++ vxdprintk(VXD_CBIT(misc, 4),
++ "vx_info_kill(%p[#%d],%d,%d)*",
++ vxi, vxi->vx_id, pid, sig);
++ read_lock(&tasklist_lock);
++ switch (pid) {
++ case 0:
++ case -1:
++ for_each_process(p) {
++ int err = 0;
++
++ if (vx_task_xid(p) != vxi->vx_id || p->pid <= 1 ||
++ (pid && vxi->vx_initpid == p->pid))
++ continue;
++
++ err = group_send_sig_info(sig, sip, p);
++ ++count;
++ if (err != -EPERM)
++ retval = err;
++ }
++ break;
++
++ case 1:
++ if (vxi->vx_initpid) {
++ pid = vxi->vx_initpid;
++ /* for now, only SIGINT to private init ... */
++ if (!vx_info_flags(vxi, VXF_STATE_ADMIN, 0) &&
++ /* ... as long as there are tasks left */
++ (atomic_read(&vxi->vx_tasks) > 1))
++ sig = SIGINT;
++ }
++ /* fallthrough */
++ default:
++ rcu_read_lock();
++ p = find_task_by_real_pid(pid);
++ rcu_read_unlock();
++ if (p) {
++ if (vx_task_xid(p) == vxi->vx_id)
++ retval = group_send_sig_info(sig, sip, p);
++ }
++ break;
++ }
++ read_unlock(&tasklist_lock);
++ vxdprintk(VXD_CBIT(misc, 4),
++ "vx_info_kill(%p[#%d],%d,%d,%ld) = %d",
++ vxi, vxi->vx_id, pid, sig, (long)sip, retval);
++ return retval;
++}
++
++int vc_ctx_kill(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_kill_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ /* special check to allow guest shutdown */
++ if (!vx_info_flags(vxi, VXF_STATE_ADMIN, 0) &&
++ /* forbid killall pid=0 when init is present */
++ (((vc_data.pid < 1) && vxi->vx_initpid) ||
++ (vc_data.pid > 1)))
++ return -EACCES;
++
++ return vx_info_kill(vxi, vc_data.pid, vc_data.sig);
++}
++
++
++static int __wait_exit(struct vx_info *vxi)
++{
++ DECLARE_WAITQUEUE(wait, current);
++ int ret = 0;
++
++ add_wait_queue(&vxi->vx_wait, &wait);
++ set_current_state(TASK_INTERRUPTIBLE);
++
++wait:
++ if (vx_info_state(vxi,
++ VXS_SHUTDOWN | VXS_HASHED | VXS_HELPER) == VXS_SHUTDOWN)
++ goto out;
++ if (signal_pending(current)) {
++ ret = -ERESTARTSYS;
++ goto out;
++ }
++ schedule();
++ goto wait;
++
++out:
++ set_current_state(TASK_RUNNING);
++ remove_wait_queue(&vxi->vx_wait, &wait);
++ return ret;
++}
++
++
++
++int vc_wait_exit(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_wait_exit_v0 vc_data;
++ int ret;
++
++ ret = __wait_exit(vxi);
++ vc_data.reboot_cmd = vxi->reboot_cmd;
++ vc_data.exit_code = vxi->exit_code;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/space.c linux-3.4.45-vs2.3.3.9/kernel/vserver/space.c
+--- linux-3.4.45/kernel/vserver/space.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/space.c 2013-02-12 00:16:04.000000000 +0000
+@@ -0,0 +1,436 @@
++/*
++ * linux/kernel/vserver/space.c
++ *
++ * Virtual Server: Context Space Support
++ *
++ * Copyright (C) 2003-2010 Herbert Pötzl
++ *
++ * V0.01 broken out from context.c 0.07
++ * V0.02 added task locking for namespace
++ * V0.03 broken out vx_enter_namespace
++ * V0.04 added *space support and commands
++ * V0.05 added credential support
++ *
++ */
++
++#include <linux/utsname.h>
++#include <linux/nsproxy.h>
++#include <linux/err.h>
++#include <linux/fs_struct.h>
++#include <linux/cred.h>
++#include <asm/uaccess.h>
++
++#include <linux/vs_context.h>
++#include <linux/vserver/space.h>
++#include <linux/vserver/space_cmd.h>
++
++atomic_t vs_global_nsproxy = ATOMIC_INIT(0);
++atomic_t vs_global_fs = ATOMIC_INIT(0);
++atomic_t vs_global_mnt_ns = ATOMIC_INIT(0);
++atomic_t vs_global_uts_ns = ATOMIC_INIT(0);
++atomic_t vs_global_user_ns = ATOMIC_INIT(0);
++atomic_t vs_global_pid_ns = ATOMIC_INIT(0);
++
++
++/* namespace functions */
++
++#include <linux/mnt_namespace.h>
++#include <linux/user_namespace.h>
++#include <linux/pid_namespace.h>
++#include <linux/ipc_namespace.h>
++#include <net/net_namespace.h>
++#include "../fs/mount.h"
++
++
++static const struct vcmd_space_mask_v1 space_mask_v0 = {
++ .mask = CLONE_FS |
++ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
++ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
++ CLONE_NEWIPC |
++#endif
++#ifdef CONFIG_USER_NS
++ CLONE_NEWUSER |
++#endif
++ 0
++};
++
++static const struct vcmd_space_mask_v1 space_mask = {
++ .mask = CLONE_FS |
++ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
++ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
++ CLONE_NEWIPC |
++#endif
++#ifdef CONFIG_USER_NS
++ CLONE_NEWUSER |
++#endif
++#ifdef CONFIG_PID_NS
++ CLONE_NEWPID |
++#endif
++#ifdef CONFIG_NET_NS
++ CLONE_NEWNET |
++#endif
++ 0
++};
++
++static const struct vcmd_space_mask_v1 default_space_mask = {
++ .mask = CLONE_FS |
++ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
++ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
++ CLONE_NEWIPC |
++#endif
++#ifdef CONFIG_USER_NS
++ CLONE_NEWUSER |
++#endif
++#ifdef CONFIG_PID_NS
++// CLONE_NEWPID |
++#endif
++ 0
++};
++
++/*
++ * build a new nsproxy mix
++ * assumes that both proxies are 'const'
++ * does not touch nsproxy refcounts
++ * will hold a reference on the result.
++ */
++
++struct nsproxy *vs_mix_nsproxy(struct nsproxy *old_nsproxy,
++ struct nsproxy *new_nsproxy, unsigned long mask)
++{
++ struct mnt_namespace *old_ns;
++ struct uts_namespace *old_uts;
++ struct ipc_namespace *old_ipc;
++#ifdef CONFIG_PID_NS
++ struct pid_namespace *old_pid;
++#endif
++#ifdef CONFIG_NET_NS
++ struct net *old_net;
++#endif
++ struct nsproxy *nsproxy;
++
++ nsproxy = copy_nsproxy(old_nsproxy);
++ if (!nsproxy)
++ goto out;
++
++ if (mask & CLONE_NEWNS) {
++ old_ns = nsproxy->mnt_ns;
++ nsproxy->mnt_ns = new_nsproxy->mnt_ns;
++ if (nsproxy->mnt_ns)
++ get_mnt_ns(nsproxy->mnt_ns);
++ } else
++ old_ns = NULL;
++
++ if (mask & CLONE_NEWUTS) {
++ old_uts = nsproxy->uts_ns;
++ nsproxy->uts_ns = new_nsproxy->uts_ns;
++ if (nsproxy->uts_ns)
++ get_uts_ns(nsproxy->uts_ns);
++ } else
++ old_uts = NULL;
++
++ if (mask & CLONE_NEWIPC) {
++ old_ipc = nsproxy->ipc_ns;
++ nsproxy->ipc_ns = new_nsproxy->ipc_ns;
++ if (nsproxy->ipc_ns)
++ get_ipc_ns(nsproxy->ipc_ns);
++ } else
++ old_ipc = NULL;
++
++#ifdef CONFIG_PID_NS
++ if (mask & CLONE_NEWPID) {
++ old_pid = nsproxy->pid_ns;
++ nsproxy->pid_ns = new_nsproxy->pid_ns;
++ if (nsproxy->pid_ns)
++ get_pid_ns(nsproxy->pid_ns);
++ } else
++ old_pid = NULL;
++#endif
++#ifdef CONFIG_NET_NS
++ if (mask & CLONE_NEWNET) {
++ old_net = nsproxy->net_ns;
++ nsproxy->net_ns = new_nsproxy->net_ns;
++ if (nsproxy->net_ns)
++ get_net(nsproxy->net_ns);
++ } else
++ old_net = NULL;
++#endif
++ if (old_ns)
++ put_mnt_ns(old_ns);
++ if (old_uts)
++ put_uts_ns(old_uts);
++ if (old_ipc)
++ put_ipc_ns(old_ipc);
++#ifdef CONFIG_PID_NS
++ if (old_pid)
++ put_pid_ns(old_pid);
++#endif
++#ifdef CONFIG_NET_NS
++ if (old_net)
++ put_net(old_net);
++#endif
++out:
++ return nsproxy;
++}
++
++
++/*
++ * merge two nsproxy structs into a new one.
++ * will hold a reference on the result.
++ */
++
++static inline
++struct nsproxy *__vs_merge_nsproxy(struct nsproxy *old,
++ struct nsproxy *proxy, unsigned long mask)
++{
++ struct nsproxy null_proxy = { .mnt_ns = NULL };
++
++ if (!proxy)
++ return NULL;
++
++ if (mask) {
++ /* vs_mix_nsproxy returns with reference */
++ return vs_mix_nsproxy(old ? old : &null_proxy,
++ proxy, mask);
++ }
++ get_nsproxy(proxy);
++ return proxy;
++}
++
++
++int vx_enter_space(struct vx_info *vxi, unsigned long mask, unsigned index)
++{
++ struct nsproxy *proxy, *proxy_cur, *proxy_new;
++ struct fs_struct *fs_cur, *fs = NULL;
++ struct _vx_space *space;
++ int ret, kill = 0;
++
++ vxdprintk(VXD_CBIT(space, 8), "vx_enter_space(%p[#%u],0x%08lx,%d)",
++ vxi, vxi->vx_id, mask, index);
++
++ if (vx_info_flags(vxi, VXF_INFO_PRIVATE, 0))
++ return -EACCES;
++
++ if (index >= VX_SPACES)
++ return -EINVAL;
++
++ space = &vxi->space[index];
++
++ if (!mask)
++ mask = space->vx_nsmask;
++
++ if ((mask & space->vx_nsmask) != mask)
++ return -EINVAL;
++
++ if (mask & CLONE_FS) {
++ fs = copy_fs_struct(space->vx_fs);
++ if (!fs)
++ return -ENOMEM;
++ }
++ proxy = space->vx_nsproxy;
++
++ vxdprintk(VXD_CBIT(space, 9),
++ "vx_enter_space(%p[#%u],0x%08lx,%d) -> (%p,%p)",
++ vxi, vxi->vx_id, mask, index, proxy, fs);
++
++ task_lock(current);
++ fs_cur = current->fs;
++
++ if (mask & CLONE_FS) {
++ spin_lock(&fs_cur->lock);
++ current->fs = fs;
++ kill = !--fs_cur->users;
++ spin_unlock(&fs_cur->lock);
++ }
++
++ proxy_cur = current->nsproxy;
++ get_nsproxy(proxy_cur);
++ task_unlock(current);
++
++ if (kill)
++ free_fs_struct(fs_cur);
++
++ proxy_new = __vs_merge_nsproxy(proxy_cur, proxy, mask);
++ if (IS_ERR(proxy_new)) {
++ ret = PTR_ERR(proxy_new);
++ goto out_put;
++ }
++
++ proxy_new = xchg(&current->nsproxy, proxy_new);
++
++ if (mask & CLONE_NEWUSER) {
++ struct cred *cred;
++
++ vxdprintk(VXD_CBIT(space, 10),
++ "vx_enter_space(%p[#%u],%p) cred (%p,%p)",
++ vxi, vxi->vx_id, space->vx_cred,
++ current->real_cred, current->cred);
++
++ if (space->vx_cred) {
++ cred = __prepare_creds(space->vx_cred);
++ if (cred)
++ commit_creds(cred);
++ }
++ }
++
++ ret = 0;
++
++ if (proxy_new)
++ put_nsproxy(proxy_new);
++out_put:
++ if (proxy_cur)
++ put_nsproxy(proxy_cur);
++ return ret;
++}
++
++
++int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index)
++{
++ struct nsproxy *proxy_vxi, *proxy_cur, *proxy_new;
++ struct fs_struct *fs_vxi, *fs = NULL;
++ struct _vx_space *space;
++ int ret, kill = 0;
++
++ vxdprintk(VXD_CBIT(space, 8), "vx_set_space(%p[#%u],0x%08lx,%d)",
++ vxi, vxi->vx_id, mask, index);
++
++ if ((mask & space_mask.mask) != mask)
++ return -EINVAL;
++
++ if (index >= VX_SPACES)
++ return -EINVAL;
++
++ space = &vxi->space[index];
++
++ proxy_vxi = space->vx_nsproxy;
++ fs_vxi = space->vx_fs;
++
++ if (mask & CLONE_FS) {
++ fs = copy_fs_struct(current->fs);
++ if (!fs)
++ return -ENOMEM;
++ }
++
++ task_lock(current);
++
++ if (mask & CLONE_FS) {
++ spin_lock(&fs_vxi->lock);
++ space->vx_fs = fs;
++ kill = !--fs_vxi->users;
++ spin_unlock(&fs_vxi->lock);
++ }
++
++ proxy_cur = current->nsproxy;
++ get_nsproxy(proxy_cur);
++ task_unlock(current);
++
++ if (kill)
++ free_fs_struct(fs_vxi);
++
++ proxy_new = __vs_merge_nsproxy(proxy_vxi, proxy_cur, mask);
++ if (IS_ERR(proxy_new)) {
++ ret = PTR_ERR(proxy_new);
++ goto out_put;
++ }
++
++ proxy_new = xchg(&space->vx_nsproxy, proxy_new);
++ space->vx_nsmask |= mask;
++
++ if (mask & CLONE_NEWUSER) {
++ struct cred *cred;
++
++ vxdprintk(VXD_CBIT(space, 10),
++ "vx_set_space(%p[#%u],%p) cred (%p,%p)",
++ vxi, vxi->vx_id, space->vx_cred,
++ current->real_cred, current->cred);
++
++ cred = prepare_creds();
++ cred = (struct cred *)xchg(&space->vx_cred, cred);
++ if (cred)
++ abort_creds(cred);
++ }
++
++ ret = 0;
++
++ if (proxy_new)
++ put_nsproxy(proxy_new);
++out_put:
++ if (proxy_cur)
++ put_nsproxy(proxy_cur);
++ return ret;
++}
++
++
++int vc_enter_space_v1(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v1 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return vx_enter_space(vxi, vc_data.mask, 0);
++}
++
++int vc_enter_space(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v2 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if (vc_data.index >= VX_SPACES)
++ return -EINVAL;
++
++ return vx_enter_space(vxi, vc_data.mask, vc_data.index);
++}
++
++int vc_set_space_v1(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v1 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return vx_set_space(vxi, vc_data.mask, 0);
++}
++
++int vc_set_space(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v2 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if (vc_data.index >= VX_SPACES)
++ return -EINVAL;
++
++ return vx_set_space(vxi, vc_data.mask, vc_data.index);
++}
++
++int vc_get_space_mask(void __user *data, int type)
++{
++ const struct vcmd_space_mask_v1 *mask;
++
++ if (type == 0)
++ mask = &space_mask_v0;
++ else if (type == 1)
++ mask = &space_mask;
++ else
++ mask = &default_space_mask;
++
++ vxdprintk(VXD_CBIT(space, 10),
++ "vc_get_space_mask(%d) = %08llx", type, mask->mask);
++
++ if (copy_to_user(data, mask, sizeof(*mask)))
++ return -EFAULT;
++ return 0;
++}
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/switch.c linux-3.4.45-vs2.3.3.9/kernel/vserver/switch.c
+--- linux-3.4.45/kernel/vserver/switch.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/switch.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,556 @@
++/*
++ * linux/kernel/vserver/switch.c
++ *
++ * Virtual Server: Syscall Switch
++ *
++ * Copyright (C) 2003-2011 Herbert Pötzl
++ *
++ * V0.01 syscall switch
++ * V0.02 added signal to context
++ * V0.03 added rlimit functions
++ * V0.04 added iattr, task/xid functions
++ * V0.05 added debug/history stuff
++ * V0.06 added compat32 layer
++ * V0.07 vcmd args and perms
++ * V0.08 added status commands
++ * V0.09 added tag commands
++ * V0.10 added oom bias
++ * V0.11 added device commands
++ * V0.12 added warn mask
++ *
++ */
++
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vserver/switch.h>
++
++#include "vci_config.h"
++
++
++static inline
++int vc_get_version(uint32_t id)
++{
++ return VCI_VERSION;
++}
++
++static inline
++int vc_get_vci(uint32_t id)
++{
++ return vci_kernel_config();
++}
++
++#include <linux/vserver/context_cmd.h>
++#include <linux/vserver/cvirt_cmd.h>
++#include <linux/vserver/cacct_cmd.h>
++#include <linux/vserver/limit_cmd.h>
++#include <linux/vserver/network_cmd.h>
++#include <linux/vserver/sched_cmd.h>
++#include <linux/vserver/debug_cmd.h>
++#include <linux/vserver/inode_cmd.h>
++#include <linux/vserver/dlimit_cmd.h>
++#include <linux/vserver/signal_cmd.h>
++#include <linux/vserver/space_cmd.h>
++#include <linux/vserver/tag_cmd.h>
++#include <linux/vserver/device_cmd.h>
++
++#include <linux/vserver/inode.h>
++#include <linux/vserver/dlimit.h>
++
++
++#ifdef CONFIG_COMPAT
++#define __COMPAT(name, id, data, compat) \
++ (compat) ? name ## _x32(id, data) : name(id, data)
++#define __COMPAT_NO_ID(name, data, compat) \
++ (compat) ? name ## _x32(data) : name(data)
++#else
++#define __COMPAT(name, id, data, compat) \
++ name(id, data)
++#define __COMPAT_NO_ID(name, data, compat) \
++ name(data)
++#endif
++
++
++static inline
++long do_vcmd(uint32_t cmd, uint32_t id,
++ struct vx_info *vxi, struct nx_info *nxi,
++ void __user *data, int compat)
++{
++ switch (cmd) {
++
++ case VCMD_get_version:
++ return vc_get_version(id);
++ case VCMD_get_vci:
++ return vc_get_vci(id);
++
++ case VCMD_task_xid:
++ return vc_task_xid(id);
++ case VCMD_vx_info:
++ return vc_vx_info(vxi, data);
++
++ case VCMD_task_nid:
++ return vc_task_nid(id);
++ case VCMD_nx_info:
++ return vc_nx_info(nxi, data);
++
++ case VCMD_task_tag:
++ return vc_task_tag(id);
++
++ case VCMD_set_space_v1:
++ return vc_set_space_v1(vxi, data);
++ /* this is version 2 */
++ case VCMD_set_space:
++ return vc_set_space(vxi, data);
++
++ case VCMD_get_space_mask_v0:
++ return vc_get_space_mask(data, 0);
++ /* this is version 1 */
++ case VCMD_get_space_mask:
++ return vc_get_space_mask(data, 1);
++
++ case VCMD_get_space_default:
++ return vc_get_space_mask(data, -1);
++
++ case VCMD_set_umask:
++ return vc_set_umask(vxi, data);
++
++ case VCMD_get_umask:
++ return vc_get_umask(vxi, data);
++
++ case VCMD_set_wmask:
++ return vc_set_wmask(vxi, data);
++
++ case VCMD_get_wmask:
++ return vc_get_wmask(vxi, data);
++#ifdef CONFIG_IA32_EMULATION
++ case VCMD_get_rlimit:
++ return __COMPAT(vc_get_rlimit, vxi, data, compat);
++ case VCMD_set_rlimit:
++ return __COMPAT(vc_set_rlimit, vxi, data, compat);
++#else
++ case VCMD_get_rlimit:
++ return vc_get_rlimit(vxi, data);
++ case VCMD_set_rlimit:
++ return vc_set_rlimit(vxi, data);
++#endif
++ case VCMD_get_rlimit_mask:
++ return vc_get_rlimit_mask(id, data);
++ case VCMD_reset_hits:
++ return vc_reset_hits(vxi, data);
++ case VCMD_reset_minmax:
++ return vc_reset_minmax(vxi, data);
++
++ case VCMD_get_vhi_name:
++ return vc_get_vhi_name(vxi, data);
++ case VCMD_set_vhi_name:
++ return vc_set_vhi_name(vxi, data);
++
++ case VCMD_ctx_stat:
++ return vc_ctx_stat(vxi, data);
++ case VCMD_virt_stat:
++ return vc_virt_stat(vxi, data);
++ case VCMD_sock_stat:
++ return vc_sock_stat(vxi, data);
++ case VCMD_rlimit_stat:
++ return vc_rlimit_stat(vxi, data);
++
++ case VCMD_set_cflags:
++ return vc_set_cflags(vxi, data);
++ case VCMD_get_cflags:
++ return vc_get_cflags(vxi, data);
++
++ /* this is version 1 */
++ case VCMD_set_ccaps:
++ return vc_set_ccaps(vxi, data);
++ /* this is version 1 */
++ case VCMD_get_ccaps:
++ return vc_get_ccaps(vxi, data);
++ case VCMD_set_bcaps:
++ return vc_set_bcaps(vxi, data);
++ case VCMD_get_bcaps:
++ return vc_get_bcaps(vxi, data);
++
++ case VCMD_set_badness:
++ return vc_set_badness(vxi, data);
++ case VCMD_get_badness:
++ return vc_get_badness(vxi, data);
++
++ case VCMD_set_nflags:
++ return vc_set_nflags(nxi, data);
++ case VCMD_get_nflags:
++ return vc_get_nflags(nxi, data);
++
++ case VCMD_set_ncaps:
++ return vc_set_ncaps(nxi, data);
++ case VCMD_get_ncaps:
++ return vc_get_ncaps(nxi, data);
++
++ case VCMD_set_prio_bias:
++ return vc_set_prio_bias(vxi, data);
++ case VCMD_get_prio_bias:
++ return vc_get_prio_bias(vxi, data);
++ case VCMD_add_dlimit:
++ return __COMPAT(vc_add_dlimit, id, data, compat);
++ case VCMD_rem_dlimit:
++ return __COMPAT(vc_rem_dlimit, id, data, compat);
++ case VCMD_set_dlimit:
++ return __COMPAT(vc_set_dlimit, id, data, compat);
++ case VCMD_get_dlimit:
++ return __COMPAT(vc_get_dlimit, id, data, compat);
++
++ case VCMD_ctx_kill:
++ return vc_ctx_kill(vxi, data);
++
++ case VCMD_wait_exit:
++ return vc_wait_exit(vxi, data);
++
++ case VCMD_get_iattr:
++ return __COMPAT_NO_ID(vc_get_iattr, data, compat);
++ case VCMD_set_iattr:
++ return __COMPAT_NO_ID(vc_set_iattr, data, compat);
++
++ case VCMD_fget_iattr:
++ return vc_fget_iattr(id, data);
++ case VCMD_fset_iattr:
++ return vc_fset_iattr(id, data);
++
++ case VCMD_enter_space_v0:
++ return vc_enter_space_v1(vxi, NULL);
++ case VCMD_enter_space_v1:
++ return vc_enter_space_v1(vxi, data);
++ /* this is version 2 */
++ case VCMD_enter_space:
++ return vc_enter_space(vxi, data);
++
++ case VCMD_ctx_create_v0:
++ return vc_ctx_create(id, NULL);
++ case VCMD_ctx_create:
++ return vc_ctx_create(id, data);
++ case VCMD_ctx_migrate_v0:
++ return vc_ctx_migrate(vxi, NULL);
++ case VCMD_ctx_migrate:
++ return vc_ctx_migrate(vxi, data);
++
++ case VCMD_net_create_v0:
++ return vc_net_create(id, NULL);
++ case VCMD_net_create:
++ return vc_net_create(id, data);
++ case VCMD_net_migrate:
++ return vc_net_migrate(nxi, data);
++
++ case VCMD_tag_migrate:
++ return vc_tag_migrate(id);
++
++ case VCMD_net_add:
++ return vc_net_add(nxi, data);
++ case VCMD_net_remove:
++ return vc_net_remove(nxi, data);
++
++ case VCMD_net_add_ipv4_v1:
++ return vc_net_add_ipv4_v1(nxi, data);
++ /* this is version 2 */
++ case VCMD_net_add_ipv4:
++ return vc_net_add_ipv4(nxi, data);
++
++ case VCMD_net_rem_ipv4_v1:
++ return vc_net_rem_ipv4_v1(nxi, data);
++ /* this is version 2 */
++ case VCMD_net_rem_ipv4:
++ return vc_net_rem_ipv4(nxi, data);
++#ifdef CONFIG_IPV6
++ case VCMD_net_add_ipv6:
++ return vc_net_add_ipv6(nxi, data);
++ case VCMD_net_remove_ipv6:
++ return vc_net_remove_ipv6(nxi, data);
++#endif
++/* case VCMD_add_match_ipv4:
++ return vc_add_match_ipv4(nxi, data);
++ case VCMD_get_match_ipv4:
++ return vc_get_match_ipv4(nxi, data);
++#ifdef CONFIG_IPV6
++ case VCMD_add_match_ipv6:
++ return vc_add_match_ipv6(nxi, data);
++ case VCMD_get_match_ipv6:
++ return vc_get_match_ipv6(nxi, data);
++#endif */
++
++#ifdef CONFIG_VSERVER_DEVICE
++ case VCMD_set_mapping:
++ return __COMPAT(vc_set_mapping, vxi, data, compat);
++ case VCMD_unset_mapping:
++ return __COMPAT(vc_unset_mapping, vxi, data, compat);
++#endif
++#ifdef CONFIG_VSERVER_HISTORY
++ case VCMD_dump_history:
++ return vc_dump_history(id);
++ case VCMD_read_history:
++ return __COMPAT(vc_read_history, id, data, compat);
++#endif
++ default:
++ vxwprintk_task(1, "unimplemented VCMD_%02d_%d[%d]",
++ VC_CATEGORY(cmd), VC_COMMAND(cmd), VC_VERSION(cmd));
++ }
++ return -ENOSYS;
++}
++
++
++#define __VCMD(vcmd, _perm, _args, _flags) \
++ case VCMD_ ## vcmd: perm = _perm; \
++ args = _args; flags = _flags; break
++
++
++#define VCA_NONE 0x00
++#define VCA_VXI 0x01
++#define VCA_NXI 0x02
++
++#define VCF_NONE 0x00
++#define VCF_INFO 0x01
++#define VCF_ADMIN 0x02
++#define VCF_ARES 0x06 /* includes admin */
++#define VCF_SETUP 0x08
++
++#define VCF_ZIDOK 0x10 /* zero id okay */
++
++
++static inline
++long do_vserver(uint32_t cmd, uint32_t id, void __user *data, int compat)
++{
++ long ret;
++ int permit = -1, state = 0;
++ int perm = -1, args = 0, flags = 0;
++ struct vx_info *vxi = NULL;
++ struct nx_info *nxi = NULL;
++
++ switch (cmd) {
++ /* unpriviledged commands */
++ __VCMD(get_version, 0, VCA_NONE, 0);
++ __VCMD(get_vci, 0, VCA_NONE, 0);
++ __VCMD(get_rlimit_mask, 0, VCA_NONE, 0);
++ __VCMD(get_space_mask_v0,0, VCA_NONE, 0);
++ __VCMD(get_space_mask, 0, VCA_NONE, 0);
++ __VCMD(get_space_default,0, VCA_NONE, 0);
++
++ /* info commands */
++ __VCMD(task_xid, 2, VCA_NONE, 0);
++ __VCMD(reset_hits, 2, VCA_VXI, 0);
++ __VCMD(reset_minmax, 2, VCA_VXI, 0);
++ __VCMD(vx_info, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_bcaps, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_ccaps, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_cflags, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_umask, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_wmask, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_badness, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_vhi_name, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_rlimit, 3, VCA_VXI, VCF_INFO);
++
++ __VCMD(ctx_stat, 3, VCA_VXI, VCF_INFO);
++ __VCMD(virt_stat, 3, VCA_VXI, VCF_INFO);
++ __VCMD(sock_stat, 3, VCA_VXI, VCF_INFO);
++ __VCMD(rlimit_stat, 3, VCA_VXI, VCF_INFO);
++
++ __VCMD(task_nid, 2, VCA_NONE, 0);
++ __VCMD(nx_info, 3, VCA_NXI, VCF_INFO);
++ __VCMD(get_ncaps, 3, VCA_NXI, VCF_INFO);
++ __VCMD(get_nflags, 3, VCA_NXI, VCF_INFO);
++
++ __VCMD(task_tag, 2, VCA_NONE, 0);
++
++ __VCMD(get_iattr, 2, VCA_NONE, 0);
++ __VCMD(fget_iattr, 2, VCA_NONE, 0);
++ __VCMD(get_dlimit, 3, VCA_NONE, VCF_INFO);
++ __VCMD(get_prio_bias, 3, VCA_VXI, VCF_INFO);
++
++ /* lower admin commands */
++ __VCMD(wait_exit, 4, VCA_VXI, VCF_INFO);
++ __VCMD(ctx_create_v0, 5, VCA_NONE, 0);
++ __VCMD(ctx_create, 5, VCA_NONE, 0);
++ __VCMD(ctx_migrate_v0, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(ctx_migrate, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(enter_space_v0, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(enter_space_v1, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(enter_space, 5, VCA_VXI, VCF_ADMIN);
++
++ __VCMD(net_create_v0, 5, VCA_NONE, 0);
++ __VCMD(net_create, 5, VCA_NONE, 0);
++ __VCMD(net_migrate, 5, VCA_NXI, VCF_ADMIN);
++
++ __VCMD(tag_migrate, 5, VCA_NONE, VCF_ADMIN);
++
++ /* higher admin commands */
++ __VCMD(ctx_kill, 6, VCA_VXI, VCF_ARES);
++ __VCMD(set_space_v1, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_space, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++
++ __VCMD(set_ccaps, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_bcaps, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_cflags, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_umask, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_wmask, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_badness, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++
++ __VCMD(set_vhi_name, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_rlimit, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_prio_bias, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++
++ __VCMD(set_ncaps, 7, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_nflags, 7, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_add, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_remove, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_add_ipv4_v1, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_rem_ipv4_v1, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_add_ipv4, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_rem_ipv4, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++#ifdef CONFIG_IPV6
++ __VCMD(net_add_ipv6, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_remove_ipv6, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++#endif
++ __VCMD(set_iattr, 7, VCA_NONE, 0);
++ __VCMD(fset_iattr, 7, VCA_NONE, 0);
++ __VCMD(set_dlimit, 7, VCA_NONE, VCF_ARES);
++ __VCMD(add_dlimit, 8, VCA_NONE, VCF_ARES);
++ __VCMD(rem_dlimit, 8, VCA_NONE, VCF_ARES);
++
++#ifdef CONFIG_VSERVER_DEVICE
++ __VCMD(set_mapping, 8, VCA_VXI, VCF_ARES|VCF_ZIDOK);
++ __VCMD(unset_mapping, 8, VCA_VXI, VCF_ARES|VCF_ZIDOK);
++#endif
++ /* debug level admin commands */
++#ifdef CONFIG_VSERVER_HISTORY
++ __VCMD(dump_history, 9, VCA_NONE, 0);
++ __VCMD(read_history, 9, VCA_NONE, 0);
++#endif
++
++ default:
++ perm = -1;
++ }
++
++ vxdprintk(VXD_CBIT(switch, 0),
++ "vc: VCMD_%02d_%d[%d], %d,%p [%d,%d,%x,%x]",
++ VC_CATEGORY(cmd), VC_COMMAND(cmd),
++ VC_VERSION(cmd), id, data, compat,
++ perm, args, flags);
++
++ ret = -ENOSYS;
++ if (perm < 0)
++ goto out;
++
++ state = 1;
++ if (!capable(CAP_CONTEXT))
++ goto out;
++
++ state = 2;
++ /* moved here from the individual commands */
++ ret = -EPERM;
++ if ((perm > 1) && !capable(CAP_SYS_ADMIN))
++ goto out;
++
++ state = 3;
++ /* vcmd involves resource management */
++ ret = -EPERM;
++ if ((flags & VCF_ARES) && !capable(CAP_SYS_RESOURCE))
++ goto out;
++
++ state = 4;
++ /* various legacy exceptions */
++ switch (cmd) {
++ /* will go away when spectator is a cap */
++ case VCMD_ctx_migrate_v0:
++ case VCMD_ctx_migrate:
++ if (id == 1) {
++ current->xid = 1;
++ ret = 1;
++ goto out;
++ }
++ break;
++
++ /* will go away when spectator is a cap */
++ case VCMD_net_migrate:
++ if (id == 1) {
++ current->nid = 1;
++ ret = 1;
++ goto out;
++ }
++ break;
++ }
++
++ /* vcmds are fine by default */
++ permit = 1;
++
++ /* admin type vcmds require admin ... */
++ if (flags & VCF_ADMIN)
++ permit = vx_check(0, VS_ADMIN) ? 1 : 0;
++
++ /* ... but setup type vcmds override that */
++ if (!permit && (flags & VCF_SETUP))
++ permit = vx_flags(VXF_STATE_SETUP, 0) ? 2 : 0;
++
++ state = 5;
++ ret = -EPERM;
++ if (!permit)
++ goto out;
++
++ state = 6;
++ if (!id && (flags & VCF_ZIDOK))
++ goto skip_id;
++
++ ret = -ESRCH;
++ if (args & VCA_VXI) {
++ vxi = lookup_vx_info(id);
++ if (!vxi)
++ goto out;
++
++ if ((flags & VCF_ADMIN) &&
++ /* special case kill for shutdown */
++ (cmd != VCMD_ctx_kill) &&
++ /* can context be administrated? */
++ !vx_info_flags(vxi, VXF_STATE_ADMIN, 0)) {
++ ret = -EACCES;
++ goto out_vxi;
++ }
++ }
++ state = 7;
++ if (args & VCA_NXI) {
++ nxi = lookup_nx_info(id);
++ if (!nxi)
++ goto out_vxi;
++
++ if ((flags & VCF_ADMIN) &&
++ /* can context be administrated? */
++ !nx_info_flags(nxi, NXF_STATE_ADMIN, 0)) {
++ ret = -EACCES;
++ goto out_nxi;
++ }
++ }
++skip_id:
++ state = 8;
++ ret = do_vcmd(cmd, id, vxi, nxi, data, compat);
++
++out_nxi:
++ if ((args & VCA_NXI) && nxi)
++ put_nx_info(nxi);
++out_vxi:
++ if ((args & VCA_VXI) && vxi)
++ put_vx_info(vxi);
++out:
++ vxdprintk(VXD_CBIT(switch, 1),
++ "vc: VCMD_%02d_%d[%d] = %08lx(%ld) [%d,%d]",
++ VC_CATEGORY(cmd), VC_COMMAND(cmd),
++ VC_VERSION(cmd), ret, ret, state, permit);
++ return ret;
++}
++
++asmlinkage long
++sys_vserver(uint32_t cmd, uint32_t id, void __user *data)
++{
++ return do_vserver(cmd, id, data, 0);
++}
++
++#ifdef CONFIG_COMPAT
++
++asmlinkage long
++sys32_vserver(uint32_t cmd, uint32_t id, void __user *data)
++{
++ return do_vserver(cmd, id, data, 1);
++}
++
++#endif /* CONFIG_COMPAT */
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/sysctl.c linux-3.4.45-vs2.3.3.9/kernel/vserver/sysctl.c
+--- linux-3.4.45/kernel/vserver/sysctl.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/sysctl.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,247 @@
++/*
++ * kernel/vserver/sysctl.c
++ *
++ * Virtual Context Support
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ *
++ */
++
++#include <linux/module.h>
++#include <linux/ctype.h>
++#include <linux/sysctl.h>
++#include <linux/parser.h>
++#include <asm/uaccess.h>
++
++enum {
++ CTL_DEBUG_ERROR = 0,
++ CTL_DEBUG_SWITCH = 1,
++ CTL_DEBUG_XID,
++ CTL_DEBUG_NID,
++ CTL_DEBUG_TAG,
++ CTL_DEBUG_NET,
++ CTL_DEBUG_LIMIT,
++ CTL_DEBUG_CRES,
++ CTL_DEBUG_DLIM,
++ CTL_DEBUG_QUOTA,
++ CTL_DEBUG_CVIRT,
++ CTL_DEBUG_SPACE,
++ CTL_DEBUG_PERM,
++ CTL_DEBUG_MISC,
++};
++
++
++unsigned int vs_debug_switch = 0;
++unsigned int vs_debug_xid = 0;
++unsigned int vs_debug_nid = 0;
++unsigned int vs_debug_tag = 0;
++unsigned int vs_debug_net = 0;
++unsigned int vs_debug_limit = 0;
++unsigned int vs_debug_cres = 0;
++unsigned int vs_debug_dlim = 0;
++unsigned int vs_debug_quota = 0;
++unsigned int vs_debug_cvirt = 0;
++unsigned int vs_debug_space = 0;
++unsigned int vs_debug_perm = 0;
++unsigned int vs_debug_misc = 0;
++
++
++static struct ctl_table_header *vserver_table_header;
++static ctl_table vserver_root_table[];
++
++
++void vserver_register_sysctl(void)
++{
++ if (!vserver_table_header) {
++ vserver_table_header = register_sysctl_table(vserver_root_table);
++ }
++
++}
++
++void vserver_unregister_sysctl(void)
++{
++ if (vserver_table_header) {
++ unregister_sysctl_table(vserver_table_header);
++ vserver_table_header = NULL;
++ }
++}
++
++
++static int proc_dodebug(ctl_table *table, int write,
++ void __user *buffer, size_t *lenp, loff_t *ppos)
++{
++ char tmpbuf[20], *p, c;
++ unsigned int value;
++ size_t left, len;
++
++ if ((*ppos && !write) || !*lenp) {
++ *lenp = 0;
++ return 0;
++ }
++
++ left = *lenp;
++
++ if (write) {
++ if (!access_ok(VERIFY_READ, buffer, left))
++ return -EFAULT;
++ p = (char *)buffer;
++ while (left && __get_user(c, p) >= 0 && isspace(c))
++ left--, p++;
++ if (!left)
++ goto done;
++
++ if (left > sizeof(tmpbuf) - 1)
++ return -EINVAL;
++ if (copy_from_user(tmpbuf, p, left))
++ return -EFAULT;
++ tmpbuf[left] = '\0';
++
++ for (p = tmpbuf, value = 0; '0' <= *p && *p <= '9'; p++, left--)
++ value = 10 * value + (*p - '0');
++ if (*p && !isspace(*p))
++ return -EINVAL;
++ while (left && isspace(*p))
++ left--, p++;
++ *(unsigned int *)table->data = value;
++ } else {
++ if (!access_ok(VERIFY_WRITE, buffer, left))
++ return -EFAULT;
++ len = sprintf(tmpbuf, "%d", *(unsigned int *)table->data);
++ if (len > left)
++ len = left;
++ if (__copy_to_user(buffer, tmpbuf, len))
++ return -EFAULT;
++ if ((left -= len) > 0) {
++ if (put_user('\n', (char *)buffer + len))
++ return -EFAULT;
++ left--;
++ }
++ }
++
++done:
++ *lenp -= left;
++ *ppos += *lenp;
++ return 0;
++}
++
++static int zero;
++
++#define CTL_ENTRY(ctl, name) \
++ { \
++ .procname = #name, \
++ .data = &vs_ ## name, \
++ .maxlen = sizeof(int), \
++ .mode = 0644, \
++ .proc_handler = &proc_dodebug, \
++ .extra1 = &zero, \
++ .extra2 = &zero, \
++ }
++
++static ctl_table vserver_debug_table[] = {
++ CTL_ENTRY(CTL_DEBUG_SWITCH, debug_switch),
++ CTL_ENTRY(CTL_DEBUG_XID, debug_xid),
++ CTL_ENTRY(CTL_DEBUG_NID, debug_nid),
++ CTL_ENTRY(CTL_DEBUG_TAG, debug_tag),
++ CTL_ENTRY(CTL_DEBUG_NET, debug_net),
++ CTL_ENTRY(CTL_DEBUG_LIMIT, debug_limit),
++ CTL_ENTRY(CTL_DEBUG_CRES, debug_cres),
++ CTL_ENTRY(CTL_DEBUG_DLIM, debug_dlim),
++ CTL_ENTRY(CTL_DEBUG_QUOTA, debug_quota),
++ CTL_ENTRY(CTL_DEBUG_CVIRT, debug_cvirt),
++ CTL_ENTRY(CTL_DEBUG_SPACE, debug_space),
++ CTL_ENTRY(CTL_DEBUG_PERM, debug_perm),
++ CTL_ENTRY(CTL_DEBUG_MISC, debug_misc),
++ { 0 }
++};
++
++static ctl_table vserver_root_table[] = {
++ {
++ .procname = "vserver",
++ .mode = 0555,
++ .child = vserver_debug_table
++ },
++ { 0 }
++};
++
++
++static match_table_t tokens = {
++ { CTL_DEBUG_SWITCH, "switch=%x" },
++ { CTL_DEBUG_XID, "xid=%x" },
++ { CTL_DEBUG_NID, "nid=%x" },
++ { CTL_DEBUG_TAG, "tag=%x" },
++ { CTL_DEBUG_NET, "net=%x" },
++ { CTL_DEBUG_LIMIT, "limit=%x" },
++ { CTL_DEBUG_CRES, "cres=%x" },
++ { CTL_DEBUG_DLIM, "dlim=%x" },
++ { CTL_DEBUG_QUOTA, "quota=%x" },
++ { CTL_DEBUG_CVIRT, "cvirt=%x" },
++ { CTL_DEBUG_SPACE, "space=%x" },
++ { CTL_DEBUG_PERM, "perm=%x" },
++ { CTL_DEBUG_MISC, "misc=%x" },
++ { CTL_DEBUG_ERROR, NULL }
++};
++
++#define HANDLE_CASE(id, name, val) \
++ case CTL_DEBUG_ ## id: \
++ vs_debug_ ## name = val; \
++ printk("vs_debug_" #name "=0x%x\n", val); \
++ break
++
++
++static int __init vs_debug_setup(char *str)
++{
++ char *p;
++ int token;
++
++ printk("vs_debug_setup(%s)\n", str);
++ while ((p = strsep(&str, ",")) != NULL) {
++ substring_t args[MAX_OPT_ARGS];
++ unsigned int value;
++
++ if (!*p)
++ continue;
++
++ token = match_token(p, tokens, args);
++ value = (token > 0) ? simple_strtoul(args[0].from, NULL, 0) : 0;
++
++ switch (token) {
++ HANDLE_CASE(SWITCH, switch, value);
++ HANDLE_CASE(XID, xid, value);
++ HANDLE_CASE(NID, nid, value);
++ HANDLE_CASE(TAG, tag, value);
++ HANDLE_CASE(NET, net, value);
++ HANDLE_CASE(LIMIT, limit, value);
++ HANDLE_CASE(CRES, cres, value);
++ HANDLE_CASE(DLIM, dlim, value);
++ HANDLE_CASE(QUOTA, quota, value);
++ HANDLE_CASE(CVIRT, cvirt, value);
++ HANDLE_CASE(SPACE, space, value);
++ HANDLE_CASE(PERM, perm, value);
++ HANDLE_CASE(MISC, misc, value);
++ default:
++ return -EINVAL;
++ break;
++ }
++ }
++ return 1;
++}
++
++__setup("vsdebug=", vs_debug_setup);
++
++
++
++EXPORT_SYMBOL_GPL(vs_debug_switch);
++EXPORT_SYMBOL_GPL(vs_debug_xid);
++EXPORT_SYMBOL_GPL(vs_debug_nid);
++EXPORT_SYMBOL_GPL(vs_debug_net);
++EXPORT_SYMBOL_GPL(vs_debug_limit);
++EXPORT_SYMBOL_GPL(vs_debug_cres);
++EXPORT_SYMBOL_GPL(vs_debug_dlim);
++EXPORT_SYMBOL_GPL(vs_debug_quota);
++EXPORT_SYMBOL_GPL(vs_debug_cvirt);
++EXPORT_SYMBOL_GPL(vs_debug_space);
++EXPORT_SYMBOL_GPL(vs_debug_perm);
++EXPORT_SYMBOL_GPL(vs_debug_misc);
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/tag.c linux-3.4.45-vs2.3.3.9/kernel/vserver/tag.c
+--- linux-3.4.45/kernel/vserver/tag.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/tag.c 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,63 @@
++/*
++ * linux/kernel/vserver/tag.c
++ *
++ * Virtual Server: Shallow Tag Space
++ *
++ * Copyright (C) 2007 Herbert Pötzl
++ *
++ * V0.01 basic implementation
++ *
++ */
++
++#include <linux/sched.h>
++#include <linux/vserver/debug.h>
++#include <linux/vs_pid.h>
++#include <linux/vs_tag.h>
++
++#include <linux/vserver/tag_cmd.h>
++
++
++int dx_migrate_task(struct task_struct *p, tag_t tag)
++{
++ if (!p)
++ BUG();
++
++ vxdprintk(VXD_CBIT(tag, 5),
++ "dx_migrate_task(%p[#%d],#%d)", p, p->tag, tag);
++
++ task_lock(p);
++ p->tag = tag;
++ task_unlock(p);
++
++ vxdprintk(VXD_CBIT(tag, 5),
++ "moved task %p into [#%d]", p, tag);
++ return 0;
++}
++
++/* vserver syscall commands below here */
++
++/* taks xid and vx_info functions */
++
++
++int vc_task_tag(uint32_t id)
++{
++ tag_t tag;
++
++ if (id) {
++ struct task_struct *tsk;
++ rcu_read_lock();
++ tsk = find_task_by_real_pid(id);
++ tag = (tsk) ? tsk->tag : -ESRCH;
++ rcu_read_unlock();
++ } else
++ tag = dx_current_tag();
++ return tag;
++}
++
++
++int vc_tag_migrate(uint32_t tag)
++{
++ return dx_migrate_task(current, tag & 0xFFFF);
++}
++
++
+diff -NurpP --minimal linux-3.4.45/kernel/vserver/vci_config.h linux-3.4.45-vs2.3.3.9/kernel/vserver/vci_config.h
+--- linux-3.4.45/kernel/vserver/vci_config.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/kernel/vserver/vci_config.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,76 @@
++
++/* interface version */
++
++#define VCI_VERSION 0x00020308
++
++
++enum {
++ VCI_KCBIT_NO_DYNAMIC = 0,
++
++ VCI_KCBIT_PROC_SECURE = 4,
++ /* VCI_KCBIT_HARDCPU = 5, */
++ /* VCI_KCBIT_IDLELIMIT = 6, */
++ /* VCI_KCBIT_IDLETIME = 7, */
++
++ VCI_KCBIT_COWBL = 8,
++ VCI_KCBIT_FULLCOWBL = 9,
++ VCI_KCBIT_SPACES = 10,
++ VCI_KCBIT_NETV2 = 11,
++ VCI_KCBIT_MEMCG = 12,
++
++ VCI_KCBIT_DEBUG = 16,
++ VCI_KCBIT_HISTORY = 20,
++ VCI_KCBIT_TAGGED = 24,
++ VCI_KCBIT_PPTAG = 28,
++
++ VCI_KCBIT_MORE = 31,
++};
++
++
++static inline uint32_t vci_kernel_config(void)
++{
++ return
++ (1 << VCI_KCBIT_NO_DYNAMIC) |
++
++ /* configured features */
++#ifdef CONFIG_VSERVER_PROC_SECURE
++ (1 << VCI_KCBIT_PROC_SECURE) |
++#endif
++#ifdef CONFIG_VSERVER_COWBL
++ (1 << VCI_KCBIT_COWBL) |
++ (1 << VCI_KCBIT_FULLCOWBL) |
++#endif
++ (1 << VCI_KCBIT_SPACES) |
++ (1 << VCI_KCBIT_NETV2) |
++#ifdef CONFIG_CGROUP_MEM_RES_CTLR
++ (1 << VCI_KCBIT_MEMCG) |
++#endif
++
++ /* debug options */
++#ifdef CONFIG_VSERVER_DEBUG
++ (1 << VCI_KCBIT_DEBUG) |
++#endif
++#ifdef CONFIG_VSERVER_HISTORY
++ (1 << VCI_KCBIT_HISTORY) |
++#endif
++
++ /* inode context tagging */
++#if defined(CONFIG_TAGGING_NONE)
++ (0 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_UID16)
++ (1 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_GID16)
++ (2 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_ID24)
++ (3 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_INTERN)
++ (4 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_RUNTIME)
++ (5 << VCI_KCBIT_TAGGED) |
++#else
++ (7 << VCI_KCBIT_TAGGED) |
++#endif
++ (1 << VCI_KCBIT_PPTAG) |
++ 0;
++}
++
+diff -NurpP --minimal linux-3.4.45/mm/memcontrol.c linux-3.4.45-vs2.3.3.9/mm/memcontrol.c
+--- linux-3.4.45/mm/memcontrol.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/mm/memcontrol.c 2012-12-08 00:53:53.000000000 +0000
+@@ -846,6 +846,31 @@ struct mem_cgroup *mem_cgroup_from_task(
+ struct mem_cgroup, css);
+ }
+
++u64 mem_cgroup_res_read_u64(struct mem_cgroup *mem, int member)
++{
++ return res_counter_read_u64(&mem->res, member);
++}
++
++u64 mem_cgroup_memsw_read_u64(struct mem_cgroup *mem, int member)
++{
++ return res_counter_read_u64(&mem->memsw, member);
++}
++
++s64 mem_cgroup_stat_read_cache(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_CACHE);
++}
++
++s64 mem_cgroup_stat_read_anon(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_RSS);
++}
++
++s64 mem_cgroup_stat_read_mapped(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_FILE_MAPPED);
++}
++
+ struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm)
+ {
+ struct mem_cgroup *memcg = NULL;
+diff -NurpP --minimal linux-3.4.45/mm/oom_kill.c linux-3.4.45-vs2.3.3.9/mm/oom_kill.c
+--- linux-3.4.45/mm/oom_kill.c 2012-05-21 16:07:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/mm/oom_kill.c 2012-05-21 16:15:05.000000000 +0000
+@@ -35,6 +35,8 @@
+ #include <linux/freezer.h>
+ #include <linux/ftrace.h>
+ #include <linux/ratelimit.h>
++#include <linux/reboot.h>
++#include <linux/vs_context.h>
+
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/oom.h>
+@@ -155,11 +157,18 @@ struct task_struct *find_lock_task_mm(st
+ static bool oom_unkillable_task(struct task_struct *p,
+ const struct mem_cgroup *memcg, const nodemask_t *nodemask)
+ {
+- if (is_global_init(p))
++ unsigned xid = vx_current_xid();
++
++ /* skip the init task, global and per guest */
++ if (task_is_init(p))
+ return true;
+ if (p->flags & PF_KTHREAD)
+ return true;
+
++ /* skip other guest and host processes if oom in guest */
++ if (xid && vx_task_xid(p) != xid)
++ return true;
++
+ /* When mem_cgroup_out_of_memory() and p is not member of the group */
+ if (memcg && !task_in_mem_cgroup(p, memcg))
+ return true;
+@@ -462,8 +471,8 @@ static void oom_kill_process(struct task
+ dump_header(p, gfp_mask, order, memcg, nodemask);
+
+ task_lock(p);
+- pr_err("%s: Kill process %d (%s) score %d or sacrifice child\n",
+- message, task_pid_nr(p), p->comm, points);
++ pr_err("%s: Kill process %d:#%u (%s) score %d or sacrifice child\n",
++ message, task_pid_nr(p), p->xid, p->comm, points);
+ task_unlock(p);
+
+ /*
+@@ -496,8 +505,8 @@ static void oom_kill_process(struct task
+
+ /* mm cannot safely be dereferenced after task_unlock(victim) */
+ mm = victim->mm;
+- pr_err("Killed process %d (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
+- task_pid_nr(victim), victim->comm, K(victim->mm->total_vm),
++ pr_err("Killed process %d:#%u (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
++ task_pid_nr(victim), victim->xid, victim->comm, K(victim->mm->total_vm),
+ K(get_mm_counter(victim->mm, MM_ANONPAGES)),
+ K(get_mm_counter(victim->mm, MM_FILEPAGES)));
+ task_unlock(victim);
+@@ -596,6 +605,8 @@ int unregister_oom_notifier(struct notif
+ }
+ EXPORT_SYMBOL_GPL(unregister_oom_notifier);
+
++long vs_oom_action(unsigned int);
++
+ /*
+ * Try to acquire the OOM killer lock for the zones in zonelist. Returns zero
+ * if a parallel OOM killing is already taking place that includes a zone in
+@@ -747,7 +758,12 @@ void out_of_memory(struct zonelist *zone
+ if (!p) {
+ dump_header(NULL, gfp_mask, order, NULL, mpol_mask);
+ read_unlock(&tasklist_lock);
+- panic("Out of memory and no killable processes...\n");
++
++ /* avoid panic for guest OOM */
++ if (current->xid)
++ vs_oom_action(LINUX_REBOOT_CMD_OOM);
++ else
++ panic("Out of memory and no killable processes...\n");
+ }
+ if (PTR_ERR(p) != -1UL) {
+ oom_kill_process(p, gfp_mask, order, points, totalpages, NULL,
+diff -NurpP --minimal linux-3.4.45/mm/page_alloc.c linux-3.4.45-vs2.3.3.9/mm/page_alloc.c
+--- linux-3.4.45/mm/page_alloc.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/mm/page_alloc.c 2013-03-02 15:26:44.000000000 +0000
+@@ -58,6 +58,8 @@
+ #include <linux/memcontrol.h>
+ #include <linux/prefetch.h>
+ #include <linux/page-debug-flags.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/tlbflush.h>
+ #include <asm/div64.h>
+@@ -2655,6 +2657,9 @@ void si_meminfo(struct sysinfo *val)
+ val->totalhigh = totalhigh_pages;
+ val->freehigh = nr_free_highpages();
+ val->mem_unit = PAGE_SIZE;
++
++ if (vx_flags(VXF_VIRT_MEM, 0))
++ vx_vsi_meminfo(val);
+ }
+
+ EXPORT_SYMBOL(si_meminfo);
+@@ -2675,6 +2680,9 @@ void si_meminfo_node(struct sysinfo *val
+ val->freehigh = 0;
+ #endif
+ val->mem_unit = PAGE_SIZE;
++
++ if (vx_flags(VXF_VIRT_MEM, 0))
++ vx_vsi_meminfo(val);
+ }
+ #endif
+
+diff -NurpP --minimal linux-3.4.45/mm/pgtable-generic.c linux-3.4.45-vs2.3.3.9/mm/pgtable-generic.c
+--- linux-3.4.45/mm/pgtable-generic.c 2012-05-21 16:07:35.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/mm/pgtable-generic.c 2012-05-21 16:15:05.000000000 +0000
+@@ -6,6 +6,8 @@
+ * Copyright (C) 2010 Linus Torvalds
+ */
+
++#include <linux/mm.h>
++
+ #include <linux/pagemap.h>
+ #include <asm/tlb.h>
+ #include <asm-generic/pgtable.h>
+diff -NurpP --minimal linux-3.4.45/mm/shmem.c linux-3.4.45-vs2.3.3.9/mm/shmem.c
+--- linux-3.4.45/mm/shmem.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/mm/shmem.c 2013-03-02 15:26:44.000000000 +0000
+@@ -1473,7 +1473,7 @@ static int shmem_statfs(struct dentry *d
+ {
+ struct shmem_sb_info *sbinfo = SHMEM_SB(dentry->d_sb);
+
+- buf->f_type = TMPFS_MAGIC;
++ buf->f_type = TMPFS_SUPER_MAGIC;
+ buf->f_bsize = PAGE_CACHE_SIZE;
+ buf->f_namelen = NAME_MAX;
+ if (sbinfo->max_blocks) {
+@@ -2287,7 +2287,7 @@ int shmem_fill_super(struct super_block
+ sb->s_maxbytes = MAX_LFS_FILESIZE;
+ sb->s_blocksize = PAGE_CACHE_SIZE;
+ sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+- sb->s_magic = TMPFS_MAGIC;
++ sb->s_magic = TMPFS_SUPER_MAGIC;
+ sb->s_op = &shmem_ops;
+ sb->s_time_gran = 1;
+ #ifdef CONFIG_TMPFS_XATTR
+diff -NurpP --minimal linux-3.4.45/mm/slab.c linux-3.4.45-vs2.3.3.9/mm/slab.c
+--- linux-3.4.45/mm/slab.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/mm/slab.c 2012-10-22 13:09:53.000000000 +0000
+@@ -413,6 +413,8 @@ static void kmem_list3_init(struct kmem_
+ #define STATS_INC_FREEMISS(x) do { } while (0)
+ #endif
+
++#include "slab_vs.h"
++
+ #if DEBUG
+
+ /*
+@@ -3466,6 +3468,7 @@ retry:
+
+ obj = slab_get_obj(cachep, slabp, nodeid);
+ check_slabp(cachep, slabp);
++ vx_slab_alloc(cachep, flags);
+ l3->free_objects--;
+ /* move slabp to correct slabp list: */
+ list_del(&slabp->list);
+@@ -3543,6 +3546,7 @@ __cache_alloc_node(struct kmem_cache *ca
+ /* ___cache_alloc_node can fall back to other nodes */
+ ptr = ____cache_alloc_node(cachep, flags, nodeid);
+ out:
++ vx_slab_alloc(cachep, flags);
+ local_irq_restore(save_flags);
+ ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, caller);
+ kmemleak_alloc_recursive(ptr, obj_size(cachep), 1, cachep->flags,
+@@ -3730,6 +3734,7 @@ static inline void __cache_free(struct k
+ check_irq_off();
+ kmemleak_free_recursive(objp, cachep->flags);
+ objp = cache_free_debugcheck(cachep, objp, caller);
++ vx_slab_free(cachep);
+
+ kmemcheck_slab_free(cachep, objp, obj_size(cachep));
+
+diff -NurpP --minimal linux-3.4.45/mm/slab_vs.h linux-3.4.45-vs2.3.3.9/mm/slab_vs.h
+--- linux-3.4.45/mm/slab_vs.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/mm/slab_vs.h 2012-05-21 16:15:05.000000000 +0000
+@@ -0,0 +1,29 @@
++
++#include <linux/vserver/context.h>
++
++#include <linux/vs_context.h>
++
++static inline
++void vx_slab_alloc(struct kmem_cache *cachep, gfp_t flags)
++{
++ int what = gfp_zone(cachep->gfpflags);
++ struct vx_info *vxi = current_vx_info();
++
++ if (!vxi)
++ return;
++
++ atomic_add(cachep->buffer_size, &vxi->cacct.slab[what]);
++}
++
++static inline
++void vx_slab_free(struct kmem_cache *cachep)
++{
++ int what = gfp_zone(cachep->gfpflags);
++ struct vx_info *vxi = current_vx_info();
++
++ if (!vxi)
++ return;
++
++ atomic_sub(cachep->buffer_size, &vxi->cacct.slab[what]);
++}
++
+diff -NurpP --minimal linux-3.4.45/mm/swapfile.c linux-3.4.45-vs2.3.3.9/mm/swapfile.c
+--- linux-3.4.45/mm/swapfile.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/mm/swapfile.c 2012-06-28 14:45:07.000000000 +0000
+@@ -36,6 +36,7 @@
+ #include <asm/tlbflush.h>
+ #include <linux/swapops.h>
+ #include <linux/page_cgroup.h>
++#include <linux/vs_base.h>
+
+ static bool swap_count_continued(struct swap_info_struct *, pgoff_t,
+ unsigned char);
+@@ -1754,6 +1755,16 @@ static int swap_show(struct seq_file *sw
+
+ if (si == SEQ_START_TOKEN) {
+ seq_puts(swap,"Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n");
++ if (vx_flags(VXF_VIRT_MEM, 0)) {
++ struct sysinfo si;
++
++ vx_vsi_swapinfo(&si);
++ if (si.totalswap < (1 << 10))
++ return 0;
++ seq_printf(swap, "%s\t\t\t\t\t%s\t%lu\t%lu\t%d\n",
++ "hdv0", "partition", si.totalswap >> 10,
++ (si.totalswap - si.freeswap) >> 10, -1);
++ }
+ return 0;
+ }
+
+@@ -2176,6 +2187,8 @@ void si_swapinfo(struct sysinfo *val)
+ val->freeswap = nr_swap_pages + nr_to_be_unused;
+ val->totalswap = total_swap_pages + nr_to_be_unused;
+ spin_unlock(&swap_lock);
++ if (vx_flags(VXF_VIRT_MEM, 0))
++ vx_vsi_swapinfo(val);
+ }
+
+ /*
+diff -NurpP --minimal linux-3.4.45/net/bridge/br_multicast.c linux-3.4.45-vs2.3.3.9/net/bridge/br_multicast.c
+--- linux-3.4.45/net/bridge/br_multicast.c 2012-05-21 16:07:40.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/bridge/br_multicast.c 2012-05-21 16:15:05.000000000 +0000
+@@ -445,7 +445,7 @@ static struct sk_buff *br_ip6_multicast_
+ ip6h->hop_limit = 1;
+ ipv6_addr_set(&ip6h->daddr, htonl(0xff020000), 0, 0, htonl(1));
+ if (ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
+- &ip6h->saddr)) {
++ &ip6h->saddr, NULL)) {
+ kfree_skb(skb);
+ return NULL;
+ }
+diff -NurpP --minimal linux-3.4.45/net/core/dev.c linux-3.4.45-vs2.3.3.9/net/core/dev.c
+--- linux-3.4.45/net/core/dev.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/core/dev.c 2013-05-13 18:16:08.000000000 +0000
+@@ -126,6 +126,7 @@
+ #include <linux/in.h>
+ #include <linux/jhash.h>
+ #include <linux/random.h>
++#include <linux/vs_inet.h>
+ #include <trace/events/napi.h>
+ #include <trace/events/net.h>
+ #include <trace/events/skb.h>
+@@ -621,7 +622,8 @@ struct net_device *__dev_get_by_name(str
+ struct hlist_head *head = dev_name_hash(net, name);
+
+ hlist_for_each_entry(dev, p, head, name_hlist)
+- if (!strncmp(dev->name, name, IFNAMSIZ))
++ if (!strncmp(dev->name, name, IFNAMSIZ) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -647,7 +649,8 @@ struct net_device *dev_get_by_name_rcu(s
+ struct hlist_head *head = dev_name_hash(net, name);
+
+ hlist_for_each_entry_rcu(dev, p, head, name_hlist)
+- if (!strncmp(dev->name, name, IFNAMSIZ))
++ if (!strncmp(dev->name, name, IFNAMSIZ) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -698,7 +701,8 @@ struct net_device *__dev_get_by_index(st
+ struct hlist_head *head = dev_index_hash(net, ifindex);
+
+ hlist_for_each_entry(dev, p, head, index_hlist)
+- if (dev->ifindex == ifindex)
++ if ((dev->ifindex == ifindex) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -716,7 +720,7 @@ EXPORT_SYMBOL(__dev_get_by_index);
+ * about locking. The caller must hold RCU lock.
+ */
+
+-struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex)
++struct net_device *dev_get_by_index_real_rcu(struct net *net, int ifindex)
+ {
+ struct hlist_node *p;
+ struct net_device *dev;
+@@ -728,6 +732,16 @@ struct net_device *dev_get_by_index_rcu(
+
+ return NULL;
+ }
++EXPORT_SYMBOL(dev_get_by_index_real_rcu);
++
++struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex)
++{
++ struct net_device *dev = dev_get_by_index_real_rcu(net, ifindex);
++
++ if (nx_dev_visible(current_nx_info(), dev))
++ return dev;
++ return NULL;
++}
+ EXPORT_SYMBOL(dev_get_by_index_rcu);
+
+
+@@ -776,7 +790,8 @@ struct net_device *dev_getbyhwaddr_rcu(s
+
+ for_each_netdev_rcu(net, dev)
+ if (dev->type == type &&
+- !memcmp(dev->dev_addr, ha, dev->addr_len))
++ !memcmp(dev->dev_addr, ha, dev->addr_len) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -788,9 +803,11 @@ struct net_device *__dev_getfirstbyhwtyp
+ struct net_device *dev;
+
+ ASSERT_RTNL();
+- for_each_netdev(net, dev)
+- if (dev->type == type)
++ for_each_netdev(net, dev) {
++ if ((dev->type == type) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
++ }
+
+ return NULL;
+ }
+@@ -908,6 +925,8 @@ static int __dev_alloc_name(struct net *
+ continue;
+ if (i < 0 || i >= max_netdevices)
+ continue;
++ if (!nx_dev_visible(current_nx_info(), d))
++ continue;
+
+ /* avoid cases where sscanf is not exact inverse of printf */
+ snprintf(buf, IFNAMSIZ, name, i);
+@@ -4009,6 +4028,8 @@ static int dev_ifconf(struct net *net, c
+
+ total = 0;
+ for_each_netdev(net, dev) {
++ if (!nx_dev_visible(current_nx_info(), dev))
++ continue;
+ for (i = 0; i < NPROTO; i++) {
+ if (gifconf_list[i]) {
+ int done;
+@@ -4111,6 +4132,10 @@ static void dev_seq_printf_stats(struct
+ struct rtnl_link_stats64 temp;
+ const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp);
+
++ /* device visible inside network context? */
++ if (!nx_dev_visible(current_nx_info(), dev))
++ return;
++
+ seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu "
+ "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n",
+ dev->name, stats->rx_bytes, stats->rx_packets,
+diff -NurpP --minimal linux-3.4.45/net/core/rtnetlink.c linux-3.4.45-vs2.3.3.9/net/core/rtnetlink.c
+--- linux-3.4.45/net/core/rtnetlink.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/core/rtnetlink.c 2013-05-13 18:16:08.000000000 +0000
+@@ -1079,6 +1079,8 @@ static int rtnl_dump_ifinfo(struct sk_bu
+ hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+ if (idx < s_idx)
+ goto cont;
++ if (!nx_dev_visible(skb->sk->sk_nx_info, dev))
++ continue;
+ if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, 0,
+@@ -1962,6 +1964,9 @@ void rtmsg_ifinfo(int type, struct net_d
+ int err = -ENOBUFS;
+ size_t if_info_size;
+
++ if (!nx_dev_visible(current_nx_info(), dev))
++ return;
++
+ skb = nlmsg_new((if_info_size = if_nlmsg_size(dev, 0)), GFP_KERNEL);
+ if (skb == NULL)
+ goto errout;
+diff -NurpP --minimal linux-3.4.45/net/core/sock.c linux-3.4.45-vs2.3.3.9/net/core/sock.c
+--- linux-3.4.45/net/core/sock.c 2013-05-13 17:36:37.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/core/sock.c 2013-05-13 18:16:08.000000000 +0000
+@@ -129,6 +129,10 @@
+ #include <net/netprio_cgroup.h>
+
+ #include <linux/filter.h>
++#include <linux/vs_socket.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
+
+ #include <trace/events/sock.h>
+
+@@ -1153,6 +1157,8 @@ static struct sock *sk_prot_alloc(struct
+ goto out_free_sec;
+ sk_tx_queue_clear(sk);
+ }
++ sock_vx_init(sk);
++ sock_nx_init(sk);
+
+ return sk;
+
+@@ -1261,6 +1267,11 @@ static void __sk_free(struct sock *sk)
+ put_cred(sk->sk_peer_cred);
+ put_pid(sk->sk_peer_pid);
+ put_net(sock_net(sk));
++ vx_sock_dec(sk);
++ clr_vx_info(&sk->sk_vx_info);
++ sk->sk_xid = -1;
++ clr_nx_info(&sk->sk_nx_info);
++ sk->sk_nid = -1;
+ sk_prot_free(sk->sk_prot_creator, sk);
+ }
+
+@@ -1321,6 +1332,8 @@ struct sock *sk_clone_lock(const struct
+
+ /* SANITY */
+ get_net(sock_net(newsk));
++ sock_vx_init(newsk);
++ sock_nx_init(newsk);
+ sk_node_init(&newsk->sk_node);
+ sock_lock_init(newsk);
+ bh_lock_sock(newsk);
+@@ -1377,6 +1390,12 @@ struct sock *sk_clone_lock(const struct
+ smp_wmb();
+ atomic_set(&newsk->sk_refcnt, 2);
+
++ set_vx_info(&newsk->sk_vx_info, sk->sk_vx_info);
++ newsk->sk_xid = sk->sk_xid;
++ vx_sock_inc(newsk);
++ set_nx_info(&newsk->sk_nx_info, sk->sk_nx_info);
++ newsk->sk_nid = sk->sk_nid;
++
+ /*
+ * Increment the counter in the same struct proto as the master
+ * sock (sk_refcnt_debug_inc uses newsk->sk_prot->socks, that
+@@ -2133,6 +2152,12 @@ void sock_init_data(struct socket *sock,
+
+ sk->sk_stamp = ktime_set(-1L, 0);
+
++ set_vx_info(&sk->sk_vx_info, current_vx_info());
++ sk->sk_xid = vx_current_xid();
++ vx_sock_inc(sk);
++ set_nx_info(&sk->sk_nx_info, current_nx_info());
++ sk->sk_nid = nx_current_nid();
++
+ /*
+ * Before updating sk_refcnt, we must commit prior changes to memory
+ * (Documentation/RCU/rculist_nulls.txt for details)
+diff -NurpP --minimal linux-3.4.45/net/ipv4/af_inet.c linux-3.4.45-vs2.3.3.9/net/ipv4/af_inet.c
+--- linux-3.4.45/net/ipv4/af_inet.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/af_inet.c 2013-03-02 15:26:44.000000000 +0000
+@@ -118,6 +118,7 @@
+ #ifdef CONFIG_IP_MROUTE
+ #include <linux/mroute.h>
+ #endif
++#include <linux/vs_limit.h>
+
+
+ /* The inetsw table contains everything that inet_create needs to
+@@ -332,9 +333,13 @@ lookup_protocol:
+ }
+
+ err = -EPERM;
++ if ((protocol == IPPROTO_ICMP) &&
++ nx_capable(CAP_NET_RAW, NXC_RAW_ICMP))
++ goto override;
++
+ if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
+ goto out_rcu_unlock;
+-
++override:
+ err = -EAFNOSUPPORT;
+ if (!inet_netns_ok(net, protocol))
+ goto out_rcu_unlock;
+@@ -459,6 +464,7 @@ int inet_bind(struct socket *sock, struc
+ struct sockaddr_in *addr = (struct sockaddr_in *)uaddr;
+ struct sock *sk = sock->sk;
+ struct inet_sock *inet = inet_sk(sk);
++ struct nx_v4_sock_addr nsa;
+ unsigned short snum;
+ int chk_addr_ret;
+ int err;
+@@ -482,7 +488,11 @@ int inet_bind(struct socket *sock, struc
+ goto out;
+ }
+
+- chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
++ err = v4_map_sock_addr(inet, addr, &nsa);
++ if (err)
++ goto out;
++
++ chk_addr_ret = inet_addr_type(sock_net(sk), nsa.saddr);
+
+ /* Not specified by any standard per-se, however it breaks too
+ * many applications when removed. It is unfortunate since
+@@ -494,7 +504,7 @@ int inet_bind(struct socket *sock, struc
+ err = -EADDRNOTAVAIL;
+ if (!sysctl_ip_nonlocal_bind &&
+ !(inet->freebind || inet->transparent) &&
+- addr->sin_addr.s_addr != htonl(INADDR_ANY) &&
++ nsa.saddr != htonl(INADDR_ANY) &&
+ chk_addr_ret != RTN_LOCAL &&
+ chk_addr_ret != RTN_MULTICAST &&
+ chk_addr_ret != RTN_BROADCAST)
+@@ -519,7 +529,7 @@ int inet_bind(struct socket *sock, struc
+ if (sk->sk_state != TCP_CLOSE || inet->inet_num)
+ goto out_release_sock;
+
+- inet->inet_rcv_saddr = inet->inet_saddr = addr->sin_addr.s_addr;
++ v4_set_sock_addr(inet, &nsa);
+ if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
+ inet->inet_saddr = 0; /* Use device */
+
+@@ -722,11 +732,13 @@ int inet_getname(struct socket *sock, st
+ peer == 1))
+ return -ENOTCONN;
+ sin->sin_port = inet->inet_dport;
+- sin->sin_addr.s_addr = inet->inet_daddr;
++ sin->sin_addr.s_addr =
++ nx_map_sock_lback(sk->sk_nx_info, inet->inet_daddr);
+ } else {
+ __be32 addr = inet->inet_rcv_saddr;
+ if (!addr)
+ addr = inet->inet_saddr;
++ addr = nx_map_sock_lback(sk->sk_nx_info, addr);
+ sin->sin_port = inet->inet_sport;
+ sin->sin_addr.s_addr = addr;
+ }
+diff -NurpP --minimal linux-3.4.45/net/ipv4/arp.c linux-3.4.45-vs2.3.3.9/net/ipv4/arp.c
+--- linux-3.4.45/net/ipv4/arp.c 2012-05-21 16:07:40.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/arp.c 2012-05-21 16:15:05.000000000 +0000
+@@ -1328,6 +1328,7 @@ static void arp_format_neigh_entry(struc
+ struct net_device *dev = n->dev;
+ int hatype = dev->type;
+
++ /* FIXME: check for network context */
+ read_lock(&n->lock);
+ /* Convert hardware address to XX:XX:XX:XX ... form. */
+ #if IS_ENABLED(CONFIG_AX25)
+@@ -1359,6 +1360,7 @@ static void arp_format_pneigh_entry(stru
+ int hatype = dev ? dev->type : 0;
+ char tbuf[16];
+
++ /* FIXME: check for network context */
+ sprintf(tbuf, "%pI4", n->key);
+ seq_printf(seq, "%-16s 0x%-10x0x%-10x%s * %s\n",
+ tbuf, hatype, ATF_PUBL | ATF_PERM, "00:00:00:00:00:00",
+diff -NurpP --minimal linux-3.4.45/net/ipv4/devinet.c linux-3.4.45-vs2.3.3.9/net/ipv4/devinet.c
+--- linux-3.4.45/net/ipv4/devinet.c 2012-05-21 16:07:40.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/devinet.c 2012-05-21 16:15:05.000000000 +0000
+@@ -517,6 +517,7 @@ struct in_device *inetdev_by_index(struc
+ }
+ EXPORT_SYMBOL(inetdev_by_index);
+
++
+ /* Called only from RTNL semaphored context. No locks. */
+
+ struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix,
+@@ -758,6 +759,8 @@ int devinet_ioctl(struct net *net, unsig
+
+ in_dev = __in_dev_get_rtnl(dev);
+ if (in_dev) {
++ struct nx_info *nxi = current_nx_info();
++
+ if (tryaddrmatch) {
+ /* Matthias Andree */
+ /* compare label and address (4.4BSD style) */
+@@ -766,6 +769,8 @@ int devinet_ioctl(struct net *net, unsig
+ This is checked above. */
+ for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
+ ifap = &ifa->ifa_next) {
++ if (!nx_v4_ifa_visible(nxi, ifa))
++ continue;
+ if (!strcmp(ifr.ifr_name, ifa->ifa_label) &&
+ sin_orig.sin_addr.s_addr ==
+ ifa->ifa_local) {
+@@ -778,9 +783,12 @@ int devinet_ioctl(struct net *net, unsig
+ comparing just the label */
+ if (!ifa) {
+ for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
+- ifap = &ifa->ifa_next)
++ ifap = &ifa->ifa_next) {
++ if (!nx_v4_ifa_visible(nxi, ifa))
++ continue;
+ if (!strcmp(ifr.ifr_name, ifa->ifa_label))
+ break;
++ }
+ }
+ }
+
+@@ -933,6 +941,8 @@ static int inet_gifconf(struct net_devic
+ goto out;
+
+ for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
++ if (!nx_v4_ifa_visible(current_nx_info(), ifa))
++ continue;
+ if (!buf) {
+ done += sizeof(ifr);
+ continue;
+@@ -1294,6 +1304,7 @@ static int inet_dump_ifaddr(struct sk_bu
+ struct net_device *dev;
+ struct in_device *in_dev;
+ struct in_ifaddr *ifa;
++ struct sock *sk = skb->sk;
+ struct hlist_head *head;
+ struct hlist_node *node;
+
+@@ -1316,6 +1327,8 @@ static int inet_dump_ifaddr(struct sk_bu
+
+ for (ifa = in_dev->ifa_list, ip_idx = 0; ifa;
+ ifa = ifa->ifa_next, ip_idx++) {
++ if (sk && !nx_v4_ifa_visible(sk->sk_nx_info, ifa))
++ continue;
+ if (ip_idx < s_ip_idx)
+ continue;
+ if (inet_fill_ifaddr(skb, ifa,
+diff -NurpP --minimal linux-3.4.45/net/ipv4/fib_trie.c linux-3.4.45-vs2.3.3.9/net/ipv4/fib_trie.c
+--- linux-3.4.45/net/ipv4/fib_trie.c 2012-05-21 16:07:40.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/fib_trie.c 2012-05-21 16:15:05.000000000 +0000
+@@ -2556,6 +2556,7 @@ static int fib_route_seq_show(struct seq
+ || fa->fa_type == RTN_MULTICAST)
+ continue;
+
++ /* FIXME: check for network context? */
+ if (fi)
+ seq_printf(seq,
+ "%s\t%08X\t%08X\t%04X\t%d\t%u\t"
+diff -NurpP --minimal linux-3.4.45/net/ipv4/inet_connection_sock.c linux-3.4.45-vs2.3.3.9/net/ipv4/inet_connection_sock.c
+--- linux-3.4.45/net/ipv4/inet_connection_sock.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/inet_connection_sock.c 2013-01-16 00:15:57.000000000 +0000
+@@ -52,6 +52,37 @@ void inet_get_local_port_range(int *low,
+ }
+ EXPORT_SYMBOL(inet_get_local_port_range);
+
++int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
++{
++ __be32 sk1_rcv_saddr = sk_rcv_saddr(sk1),
++ sk2_rcv_saddr = sk_rcv_saddr(sk2);
++
++ if (inet_v6_ipv6only(sk2))
++ return 0;
++
++ if (sk1_rcv_saddr &&
++ sk2_rcv_saddr &&
++ sk1_rcv_saddr == sk2_rcv_saddr)
++ return 1;
++
++ if (sk1_rcv_saddr &&
++ !sk2_rcv_saddr &&
++ v4_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr, NXA_MASK_BIND))
++ return 1;
++
++ if (sk2_rcv_saddr &&
++ !sk1_rcv_saddr &&
++ v4_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr, NXA_MASK_BIND))
++ return 1;
++
++ if (!sk1_rcv_saddr &&
++ !sk2_rcv_saddr &&
++ nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info))
++ return 1;
++
++ return 0;
++}
++
+ int inet_csk_bind_conflict(const struct sock *sk,
+ const struct inet_bind_bucket *tb)
+ {
+@@ -74,9 +105,7 @@ int inet_csk_bind_conflict(const struct
+ sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) {
+ if (!reuse || !sk2->sk_reuse ||
+ sk2->sk_state == TCP_LISTEN) {
+- const __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
+- if (!sk2_rcv_saddr || !sk_rcv_saddr(sk) ||
+- sk2_rcv_saddr == sk_rcv_saddr(sk))
++ if (ipv4_rcv_saddr_equal(sk, sk2))
+ break;
+ }
+ }
+diff -NurpP --minimal linux-3.4.45/net/ipv4/inet_diag.c linux-3.4.45-vs2.3.3.9/net/ipv4/inet_diag.c
+--- linux-3.4.45/net/ipv4/inet_diag.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/inet_diag.c 2013-01-16 00:18:21.000000000 +0000
+@@ -31,6 +31,8 @@
+
+ #include <linux/inet.h>
+ #include <linux/stddef.h>
++#include <linux/vs_network.h>
++#include <linux/vs_inet.h>
+
+ #include <linux/inet_diag.h>
+ #include <linux/sock_diag.h>
+@@ -110,8 +112,10 @@ int inet_sk_diag_fill(struct sock *sk, s
+
+ r->id.idiag_sport = inet->inet_sport;
+ r->id.idiag_dport = inet->inet_dport;
+- r->id.idiag_src[0] = inet->inet_rcv_saddr;
+- r->id.idiag_dst[0] = inet->inet_daddr;
++ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info,
++ inet->inet_rcv_saddr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info,
++ inet->inet_daddr);
+
+ /* IPv6 dual-stack sockets use inet->tos for IPv4 connections,
+ * hence this needs to be included regardless of socket family.
+@@ -231,8 +235,8 @@ static int inet_twsk_diag_fill(struct in
+ sock_diag_save_cookie(tw, r->id.idiag_cookie);
+ r->id.idiag_sport = tw->tw_sport;
+ r->id.idiag_dport = tw->tw_dport;
+- r->id.idiag_src[0] = tw->tw_rcv_saddr;
+- r->id.idiag_dst[0] = tw->tw_daddr;
++ r->id.idiag_src[0] = nx_map_sock_lback(tw->tw_nx_info, tw->tw_rcv_saddr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(tw->tw_nx_info, tw->tw_daddr);
+ r->idiag_state = tw->tw_substate;
+ r->idiag_timer = 3;
+ r->idiag_expires = DIV_ROUND_UP(tmo * 1000, HZ);
+@@ -276,12 +280,14 @@ int inet_diag_dump_one_icsk(struct inet_
+
+ err = -EINVAL;
+ if (req->sdiag_family == AF_INET) {
++ /* TODO: lback */
+ sk = inet_lookup(&init_net, hashinfo, req->id.idiag_dst[0],
+ req->id.idiag_dport, req->id.idiag_src[0],
+ req->id.idiag_sport, req->id.idiag_if);
+ }
+ #if IS_ENABLED(CONFIG_IPV6)
+ else if (req->sdiag_family == AF_INET6) {
++ /* TODO: lback */
+ sk = inet6_lookup(&init_net, hashinfo,
+ (struct in6_addr *)req->id.idiag_dst,
+ req->id.idiag_dport,
+@@ -482,6 +488,7 @@ int inet_diag_bc_sk(const struct nlattr
+ } else
+ #endif
+ {
++ /* TODO: lback */
+ entry.saddr = &inet->inet_rcv_saddr;
+ entry.daddr = &inet->inet_daddr;
+ }
+@@ -639,6 +646,7 @@ static int inet_twsk_diag_dump(struct in
+ } else
+ #endif
+ {
++ /* TODO: lback */
+ entry.saddr = &tw->tw_rcv_saddr;
+ entry.daddr = &tw->tw_daddr;
+ }
+@@ -714,8 +722,8 @@ static int inet_diag_fill_req(struct sk_
+
+ r->id.idiag_sport = inet->inet_sport;
+ r->id.idiag_dport = ireq->rmt_port;
+- r->id.idiag_src[0] = ireq->loc_addr;
+- r->id.idiag_dst[0] = ireq->rmt_addr;
++ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->loc_addr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->rmt_addr);
+ r->idiag_expires = jiffies_to_msecs(tmo);
+ r->idiag_rqueue = 0;
+ r->idiag_wqueue = 0;
+@@ -784,6 +792,7 @@ static int inet_diag_dump_reqs(struct sk
+ continue;
+
+ if (bc) {
++ /* TODO: lback */
+ inet_diag_req_addrs(sk, req, &entry);
+ entry.dport = ntohs(ireq->rmt_port);
+
+@@ -834,6 +843,8 @@ void inet_diag_dump_icsk(struct inet_has
+ sk_nulls_for_each(sk, node, &ilb->head) {
+ struct inet_sock *inet = inet_sk(sk);
+
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num) {
+ num++;
+ continue;
+@@ -904,6 +915,8 @@ skip_listen_ht:
+ sk_nulls_for_each(sk, node, &head->chain) {
+ struct inet_sock *inet = inet_sk(sk);
+
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num)
+ goto next_normal;
+ if (!(r->idiag_states & (1 << sk->sk_state)))
+@@ -931,6 +944,8 @@ next_normal:
+ inet_twsk_for_each(tw, node,
+ &head->twchain) {
+
++ if (!nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num)
+ goto next_dying;
+ if (r->sdiag_family != AF_UNSPEC &&
+diff -NurpP --minimal linux-3.4.45/net/ipv4/inet_hashtables.c linux-3.4.45-vs2.3.3.9/net/ipv4/inet_hashtables.c
+--- linux-3.4.45/net/ipv4/inet_hashtables.c 2011-10-24 16:45:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/inet_hashtables.c 2012-05-21 16:15:05.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <net/inet_connection_sock.h>
+ #include <net/inet_hashtables.h>
+ #include <net/secure_seq.h>
++#include <net/route.h>
+ #include <net/ip.h>
+
+ /*
+@@ -156,6 +157,11 @@ static inline int compute_score(struct s
+ if (rcv_saddr != daddr)
+ return -1;
+ score += 2;
++ } else {
++ /* block non nx_info ips */
++ if (!v4_addr_in_nx_info(sk->sk_nx_info,
++ daddr, NXA_MASK_BIND))
++ return -1;
+ }
+ if (sk->sk_bound_dev_if) {
+ if (sk->sk_bound_dev_if != dif)
+@@ -173,7 +179,6 @@ static inline int compute_score(struct s
+ * wildcarded during the search since they can never be otherwise.
+ */
+
+-
+ struct sock *__inet_lookup_listener(struct net *net,
+ struct inet_hashinfo *hashinfo,
+ const __be32 daddr, const unsigned short hnum,
+@@ -196,6 +201,7 @@ begin:
+ hiscore = score;
+ }
+ }
++
+ /*
+ * if the nulls value we got at the end of this lookup is
+ * not the expected one, we must restart lookup.
+diff -NurpP --minimal linux-3.4.45/net/ipv4/netfilter/nf_nat_helper.c linux-3.4.45-vs2.3.3.9/net/ipv4/netfilter/nf_nat_helper.c
+--- linux-3.4.45/net/ipv4/netfilter/nf_nat_helper.c 2012-03-19 18:47:33.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/netfilter/nf_nat_helper.c 2012-05-21 16:15:05.000000000 +0000
+@@ -20,6 +20,7 @@
+ #include <net/route.h>
+
+ #include <linux/netfilter_ipv4.h>
++#include <net/route.h>
+ #include <net/netfilter/nf_conntrack.h>
+ #include <net/netfilter/nf_conntrack_helper.h>
+ #include <net/netfilter/nf_conntrack_ecache.h>
+diff -NurpP --minimal linux-3.4.45/net/ipv4/netfilter.c linux-3.4.45-vs2.3.3.9/net/ipv4/netfilter.c
+--- linux-3.4.45/net/ipv4/netfilter.c 2012-01-09 15:15:03.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/netfilter.c 2012-05-21 16:15:05.000000000 +0000
+@@ -6,7 +6,7 @@
+ #include <linux/skbuff.h>
+ #include <linux/gfp.h>
+ #include <linux/export.h>
+-#include <net/route.h>
++// #include <net/route.h>
+ #include <net/xfrm.h>
+ #include <net/ip.h>
+ #include <net/netfilter/nf_queue.h>
+diff -NurpP --minimal linux-3.4.45/net/ipv4/raw.c linux-3.4.45-vs2.3.3.9/net/ipv4/raw.c
+--- linux-3.4.45/net/ipv4/raw.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/raw.c 2012-10-22 13:09:53.000000000 +0000
+@@ -118,7 +118,7 @@ static struct sock *__raw_v4_lookup(stru
+
+ if (net_eq(sock_net(sk), net) && inet->inet_num == num &&
+ !(inet->inet_daddr && inet->inet_daddr != raddr) &&
+- !(inet->inet_rcv_saddr && inet->inet_rcv_saddr != laddr) &&
++ v4_sock_addr_match(sk->sk_nx_info, inet, laddr) &&
+ !(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
+ goto found; /* gotcha */
+ }
+@@ -392,6 +392,12 @@ static int raw_send_hdrinc(struct sock *
+ icmp_out_count(net, ((struct icmphdr *)
+ skb_transport_header(skb))->type);
+
++ err = -EPERM;
++ if (!nx_check(0, VS_ADMIN) && !capable(CAP_NET_RAW) &&
++ sk->sk_nx_info &&
++ !v4_addr_in_nx_info(sk->sk_nx_info, iph->saddr, NXA_MASK_BIND))
++ goto error_free;
++
+ err = NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_OUT, skb, NULL,
+ rt->dst.dev, dst_output);
+ if (err > 0)
+@@ -577,6 +583,16 @@ static int raw_sendmsg(struct kiocb *ioc
+ goto done;
+ }
+
++ if (sk->sk_nx_info) {
++ rt = ip_v4_find_src(sock_net(sk), sk->sk_nx_info, &fl4);
++ if (IS_ERR(rt)) {
++ err = PTR_ERR(rt);
++ rt = NULL;
++ goto done;
++ }
++ ip_rt_put(rt);
++ }
++
+ security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
+ rt = ip_route_output_flow(sock_net(sk), &fl4, sk);
+ if (IS_ERR(rt)) {
+@@ -653,17 +669,19 @@ static int raw_bind(struct sock *sk, str
+ {
+ struct inet_sock *inet = inet_sk(sk);
+ struct sockaddr_in *addr = (struct sockaddr_in *) uaddr;
++ struct nx_v4_sock_addr nsa = { 0 };
+ int ret = -EINVAL;
+ int chk_addr_ret;
+
+ if (sk->sk_state != TCP_CLOSE || addr_len < sizeof(struct sockaddr_in))
+ goto out;
+- chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
++ v4_map_sock_addr(inet, addr, &nsa);
++ chk_addr_ret = inet_addr_type(sock_net(sk), nsa.saddr);
+ ret = -EADDRNOTAVAIL;
+- if (addr->sin_addr.s_addr && chk_addr_ret != RTN_LOCAL &&
++ if (nsa.saddr && chk_addr_ret != RTN_LOCAL &&
+ chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST)
+ goto out;
+- inet->inet_rcv_saddr = inet->inet_saddr = addr->sin_addr.s_addr;
++ v4_set_sock_addr(inet, &nsa);
+ if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
+ inet->inet_saddr = 0; /* Use device */
+ sk_dst_reset(sk);
+@@ -715,7 +733,8 @@ static int raw_recvmsg(struct kiocb *ioc
+ /* Copy the address. */
+ if (sin) {
+ sin->sin_family = AF_INET;
+- sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
++ sin->sin_addr.s_addr =
++ nx_map_sock_lback(sk->sk_nx_info, ip_hdr(skb)->saddr);
+ sin->sin_port = 0;
+ memset(&sin->sin_zero, 0, sizeof(sin->sin_zero));
+ }
+@@ -911,7 +930,8 @@ static struct sock *raw_get_first(struct
+ struct hlist_node *node;
+
+ sk_for_each(sk, node, &state->h->ht[state->bucket])
+- if (sock_net(sk) == seq_file_net(seq))
++ if ((sock_net(sk) == seq_file_net(seq)) &&
++ nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
+ goto found;
+ }
+ sk = NULL;
+@@ -927,7 +947,8 @@ static struct sock *raw_get_next(struct
+ sk = sk_next(sk);
+ try_again:
+ ;
+- } while (sk && sock_net(sk) != seq_file_net(seq));
++ } while (sk && ((sock_net(sk) != seq_file_net(seq)) ||
++ !nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT)));
+
+ if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
+ sk = sk_head(&state->h->ht[state->bucket]);
+diff -NurpP --minimal linux-3.4.45/net/ipv4/route.c linux-3.4.45-vs2.3.3.9/net/ipv4/route.c
+--- linux-3.4.45/net/ipv4/route.c 2012-05-21 16:07:40.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/route.c 2012-05-21 16:15:05.000000000 +0000
+@@ -2696,7 +2696,7 @@ static struct rtable *ip_route_output_sl
+
+
+ if (fl4->flowi4_oif) {
+- dev_out = dev_get_by_index_rcu(net, fl4->flowi4_oif);
++ dev_out = dev_get_by_index_real_rcu(net, fl4->flowi4_oif);
+ rth = ERR_PTR(-ENODEV);
+ if (dev_out == NULL)
+ goto out;
+diff -NurpP --minimal linux-3.4.45/net/ipv4/tcp.c linux-3.4.45-vs2.3.3.9/net/ipv4/tcp.c
+--- linux-3.4.45/net/ipv4/tcp.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/tcp.c 2013-03-30 21:29:17.000000000 +0000
+@@ -268,6 +268,7 @@
+ #include <linux/crypto.h>
+ #include <linux/time.h>
+ #include <linux/slab.h>
++#include <linux/in.h>
+
+ #include <net/icmp.h>
+ #include <net/tcp.h>
+diff -NurpP --minimal linux-3.4.45/net/ipv4/tcp_ipv4.c linux-3.4.45-vs2.3.3.9/net/ipv4/tcp_ipv4.c
+--- linux-3.4.45/net/ipv4/tcp_ipv4.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/tcp_ipv4.c 2013-01-16 00:15:57.000000000 +0000
+@@ -2037,6 +2037,12 @@ static void *listening_get_next(struct s
+ req = req->dl_next;
+ while (1) {
+ while (req) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "sk,req: %p [#%d] (from %d)", req->sk,
++ (req->sk)?req->sk->sk_nid:0, nx_current_nid());
++ if (req->sk &&
++ !nx_check(req->sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (req->rsk_ops->family == st->family) {
+ cur = req;
+ goto out;
+@@ -2061,6 +2067,10 @@ get_req:
+ }
+ get_sk:
+ sk_nulls_for_each_from(sk, node) {
++ vxdprintk(VXD_CBIT(net, 6), "sk: %p [#%d] (from %d)",
++ sk, sk->sk_nid, nx_current_nid());
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (!net_eq(sock_net(sk), net))
+ continue;
+ if (sk->sk_family == st->family) {
+@@ -2137,6 +2147,11 @@ static void *established_get_first(struc
+
+ spin_lock_bh(lock);
+ sk_nulls_for_each(sk, node, &tcp_hashinfo.ehash[st->bucket].chain) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "sk,egf: %p [#%d] (from %d)",
++ sk, sk->sk_nid, nx_current_nid());
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sk->sk_family != st->family ||
+ !net_eq(sock_net(sk), net)) {
+ continue;
+@@ -2147,6 +2162,11 @@ static void *established_get_first(struc
+ st->state = TCP_SEQ_STATE_TIME_WAIT;
+ inet_twsk_for_each(tw, node,
+ &tcp_hashinfo.ehash[st->bucket].twchain) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "tw: %p [#%d] (from %d)",
++ tw, tw->tw_nid, nx_current_nid());
++ if (!nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (tw->tw_family != st->family ||
+ !net_eq(twsk_net(tw), net)) {
+ continue;
+@@ -2176,7 +2196,9 @@ static void *established_get_next(struct
+ tw = cur;
+ tw = tw_next(tw);
+ get_tw:
+- while (tw && (tw->tw_family != st->family || !net_eq(twsk_net(tw), net))) {
++ while (tw && (tw->tw_family != st->family ||
++ !net_eq(twsk_net(tw), net) ||
++ !nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))) {
+ tw = tw_next(tw);
+ }
+ if (tw) {
+@@ -2200,6 +2222,11 @@ get_tw:
+ sk = sk_nulls_next(sk);
+
+ sk_nulls_for_each_from(sk, node) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "sk,egn: %p [#%d] (from %d)",
++ sk, sk->sk_nid, nx_current_nid());
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sk->sk_family == st->family && net_eq(sock_net(sk), net))
+ goto found;
+ }
+@@ -2405,9 +2432,9 @@ static void get_openreq4(const struct so
+ seq_printf(f, "%4d: %08X:%04X %08X:%04X"
+ " %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %pK%n",
+ i,
+- ireq->loc_addr,
++ nx_map_sock_lback(current_nx_info(), ireq->loc_addr),
+ ntohs(inet_sk(sk)->inet_sport),
+- ireq->rmt_addr,
++ nx_map_sock_lback(current_nx_info(), ireq->rmt_addr),
+ ntohs(ireq->rmt_port),
+ TCP_SYN_RECV,
+ 0, 0, /* could print option size, but that is af dependent. */
+@@ -2429,8 +2456,8 @@ static void get_tcp4_sock(struct sock *s
+ const struct tcp_sock *tp = tcp_sk(sk);
+ const struct inet_connection_sock *icsk = inet_csk(sk);
+ const struct inet_sock *inet = inet_sk(sk);
+- __be32 dest = inet->inet_daddr;
+- __be32 src = inet->inet_rcv_saddr;
++ __be32 dest = nx_map_sock_lback(current_nx_info(), inet->inet_daddr);
++ __be32 src = nx_map_sock_lback(current_nx_info(), inet->inet_rcv_saddr);
+ __u16 destp = ntohs(inet->inet_dport);
+ __u16 srcp = ntohs(inet->inet_sport);
+ int rx_queue;
+@@ -2487,8 +2514,8 @@ static void get_timewait4_sock(const str
+ if (ttd < 0)
+ ttd = 0;
+
+- dest = tw->tw_daddr;
+- src = tw->tw_rcv_saddr;
++ dest = nx_map_sock_lback(current_nx_info(), tw->tw_daddr);
++ src = nx_map_sock_lback(current_nx_info(), tw->tw_rcv_saddr);
+ destp = ntohs(tw->tw_dport);
+ srcp = ntohs(tw->tw_sport);
+
+diff -NurpP --minimal linux-3.4.45/net/ipv4/tcp_minisocks.c linux-3.4.45-vs2.3.3.9/net/ipv4/tcp_minisocks.c
+--- linux-3.4.45/net/ipv4/tcp_minisocks.c 2012-05-21 16:07:40.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/tcp_minisocks.c 2012-05-21 16:15:05.000000000 +0000
+@@ -23,6 +23,9 @@
+ #include <linux/slab.h>
+ #include <linux/sysctl.h>
+ #include <linux/workqueue.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_socket.h>
++#include <linux/vs_context.h>
+ #include <net/tcp.h>
+ #include <net/inet_common.h>
+ #include <net/xfrm.h>
+@@ -336,6 +339,11 @@ void tcp_time_wait(struct sock *sk, int
+ tcptw->tw_ts_recent = tp->rx_opt.ts_recent;
+ tcptw->tw_ts_recent_stamp = tp->rx_opt.ts_recent_stamp;
+
++ tw->tw_xid = sk->sk_xid;
++ tw->tw_vx_info = NULL;
++ tw->tw_nid = sk->sk_nid;
++ tw->tw_nx_info = NULL;
++
+ #if IS_ENABLED(CONFIG_IPV6)
+ if (tw->tw_family == PF_INET6) {
+ struct ipv6_pinfo *np = inet6_sk(sk);
+diff -NurpP --minimal linux-3.4.45/net/ipv4/udp.c linux-3.4.45-vs2.3.3.9/net/ipv4/udp.c
+--- linux-3.4.45/net/ipv4/udp.c 2012-05-21 16:07:40.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv4/udp.c 2012-06-28 14:45:36.000000000 +0000
+@@ -298,14 +298,7 @@ fail:
+ }
+ EXPORT_SYMBOL(udp_lib_get_port);
+
+-static int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
+-{
+- struct inet_sock *inet1 = inet_sk(sk1), *inet2 = inet_sk(sk2);
+-
+- return (!ipv6_only_sock(sk2) &&
+- (!inet1->inet_rcv_saddr || !inet2->inet_rcv_saddr ||
+- inet1->inet_rcv_saddr == inet2->inet_rcv_saddr));
+-}
++extern int ipv4_rcv_saddr_equal(const struct sock *, const struct sock *);
+
+ static unsigned int udp4_portaddr_hash(struct net *net, __be32 saddr,
+ unsigned int port)
+@@ -340,6 +333,11 @@ static inline int compute_score(struct s
+ if (inet->inet_rcv_saddr != daddr)
+ return -1;
+ score += 2;
++ } else {
++ /* block non nx_info ips */
++ if (!v4_addr_in_nx_info(sk->sk_nx_info,
++ daddr, NXA_MASK_BIND))
++ return -1;
+ }
+ if (inet->inet_daddr) {
+ if (inet->inet_daddr != saddr)
+@@ -443,6 +441,7 @@ exact_match:
+ return result;
+ }
+
++
+ /* UDP is nearly always wildcards out the wazoo, it makes no sense to try
+ * harder than this. -DaveM
+ */
+@@ -488,6 +487,11 @@ begin:
+ sk_nulls_for_each_rcu(sk, node, &hslot->head) {
+ score = compute_score(sk, net, saddr, hnum, sport,
+ daddr, dport, dif);
++ /* FIXME: disabled?
++ if (score == 9) {
++ result = sk;
++ break;
++ } else */
+ if (score > badness) {
+ result = sk;
+ badness = score;
+@@ -501,6 +505,7 @@ begin:
+ if (get_nulls_value(node) != slot)
+ goto begin;
+
++
+ if (result) {
+ if (unlikely(!atomic_inc_not_zero_hint(&result->sk_refcnt, 2)))
+ result = NULL;
+@@ -510,6 +515,7 @@ begin:
+ goto begin;
+ }
+ }
++
+ rcu_read_unlock();
+ return result;
+ }
+@@ -553,8 +559,7 @@ static inline struct sock *udp_v4_mcast_
+ udp_sk(s)->udp_port_hash != hnum ||
+ (inet->inet_daddr && inet->inet_daddr != rmt_addr) ||
+ (inet->inet_dport != rmt_port && inet->inet_dport) ||
+- (inet->inet_rcv_saddr &&
+- inet->inet_rcv_saddr != loc_addr) ||
++ !v4_sock_addr_match(sk->sk_nx_info, inet, loc_addr) ||
+ ipv6_only_sock(s) ||
+ (s->sk_bound_dev_if && s->sk_bound_dev_if != dif))
+ continue;
+@@ -933,6 +938,16 @@ int udp_sendmsg(struct kiocb *iocb, stru
+ inet_sk_flowi_flags(sk)|FLOWI_FLAG_CAN_SLEEP,
+ faddr, saddr, dport, inet->inet_sport);
+
++ if (sk->sk_nx_info) {
++ rt = ip_v4_find_src(net, sk->sk_nx_info, fl4);
++ if (IS_ERR(rt)) {
++ err = PTR_ERR(rt);
++ rt = NULL;
++ goto out;
++ }
++ ip_rt_put(rt);
++ }
++
+ security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
+ rt = ip_route_output_flow(net, fl4, sk);
+ if (IS_ERR(rt)) {
+@@ -1231,7 +1246,8 @@ try_again:
+ if (sin) {
+ sin->sin_family = AF_INET;
+ sin->sin_port = udp_hdr(skb)->source;
+- sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
++ sin->sin_addr.s_addr = nx_map_sock_lback(
++ skb->sk->sk_nx_info, ip_hdr(skb)->saddr);
+ memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
+ }
+ if (inet->cmsg_flags)
+@@ -1970,6 +1986,8 @@ static struct sock *udp_get_first(struct
+ sk_nulls_for_each(sk, node, &hslot->head) {
+ if (!net_eq(sock_net(sk), net))
+ continue;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sk->sk_family == state->family)
+ goto found;
+ }
+@@ -1987,7 +2005,9 @@ static struct sock *udp_get_next(struct
+
+ do {
+ sk = sk_nulls_next(sk);
+- } while (sk && (!net_eq(sock_net(sk), net) || sk->sk_family != state->family));
++ } while (sk && (!net_eq(sock_net(sk), net) ||
++ sk->sk_family != state->family ||
++ !nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT)));
+
+ if (!sk) {
+ if (state->bucket <= state->udp_table->mask)
+@@ -2083,8 +2103,8 @@ static void udp4_format_sock(struct sock
+ int bucket, int *len)
+ {
+ struct inet_sock *inet = inet_sk(sp);
+- __be32 dest = inet->inet_daddr;
+- __be32 src = inet->inet_rcv_saddr;
++ __be32 dest = nx_map_sock_lback(current_nx_info(), inet->inet_daddr);
++ __be32 src = nx_map_sock_lback(current_nx_info(), inet->inet_rcv_saddr);
+ __u16 destp = ntohs(inet->inet_dport);
+ __u16 srcp = ntohs(inet->inet_sport);
+
+diff -NurpP --minimal linux-3.4.45/net/ipv6/Kconfig linux-3.4.45-vs2.3.3.9/net/ipv6/Kconfig
+--- linux-3.4.45/net/ipv6/Kconfig 2010-08-02 14:52:59.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/Kconfig 2012-05-21 16:15:05.000000000 +0000
+@@ -4,8 +4,8 @@
+
+ # IPv6 as module will cause a CRASH if you try to unload it
+ menuconfig IPV6
+- tristate "The IPv6 protocol"
+- default m
++ bool "The IPv6 protocol"
++ default n
+ ---help---
+ This is complemental support for the IP version 6.
+ You will still be able to do traditional IPv4 networking as well.
+diff -NurpP --minimal linux-3.4.45/net/ipv6/addrconf.c linux-3.4.45-vs2.3.3.9/net/ipv6/addrconf.c
+--- linux-3.4.45/net/ipv6/addrconf.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/addrconf.c 2013-05-13 18:16:08.000000000 +0000
+@@ -88,6 +88,8 @@
+ #include <linux/proc_fs.h>
+ #include <linux/seq_file.h>
+ #include <linux/export.h>
++#include <linux/vs_network.h>
++#include <linux/vs_inet6.h>
+
+ /* Set to 3 to get tracing... */
+ #define ACONF_DEBUG 2
+@@ -1108,7 +1110,7 @@ out:
+
+ int ipv6_dev_get_saddr(struct net *net, struct net_device *dst_dev,
+ const struct in6_addr *daddr, unsigned int prefs,
+- struct in6_addr *saddr)
++ struct in6_addr *saddr, struct nx_info *nxi)
+ {
+ struct ipv6_saddr_score scores[2],
+ *score = &scores[0], *hiscore = &scores[1];
+@@ -1180,6 +1182,8 @@ int ipv6_dev_get_saddr(struct net *net,
+ dev->name);
+ continue;
+ }
++ if (!v6_addr_in_nx_info(nxi, &score->ifa->addr, -1))
++ continue;
+
+ score->rule = -1;
+ bitmap_zero(score->scorebits, IPV6_SADDR_RULE_MAX);
+@@ -3193,7 +3197,10 @@ static void if6_seq_stop(struct seq_file
+ static int if6_seq_show(struct seq_file *seq, void *v)
+ {
+ struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v;
+- seq_printf(seq, "%pi6 %02x %02x %02x %02x %8s\n",
++
++ if (nx_check(0, VS_ADMIN|VS_WATCH) ||
++ v6_addr_in_nx_info(current_nx_info(), &ifp->addr, -1))
++ seq_printf(seq, "%pi6 %02x %02x %02x %02x %8s\n",
+ &ifp->addr,
+ ifp->idev->dev->ifindex,
+ ifp->prefix_len,
+@@ -3699,6 +3706,11 @@ static int in6_dump_addrs(struct inet6_d
+ struct ifacaddr6 *ifaca;
+ int err = 1;
+ int ip_idx = *p_ip_idx;
++ struct nx_info *nxi = skb->sk ? skb->sk->sk_nx_info : NULL;
++
++ /* disable ipv6 on non v6 guests */
++ if (nxi && !nx_info_has_v6(nxi))
++ return skb->len;
+
+ read_lock_bh(&idev->lock);
+ switch (type) {
+@@ -3709,6 +3721,8 @@ static int in6_dump_addrs(struct inet6_d
+ list_for_each_entry(ifa, &idev->addr_list, if_list) {
+ if (++ip_idx < s_ip_idx)
+ continue;
++ if (!v6_addr_in_nx_info(nxi, &ifa->addr, -1))
++ continue;
+ err = inet6_fill_ifaddr(skb, ifa,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+@@ -3725,6 +3739,8 @@ static int in6_dump_addrs(struct inet6_d
+ ifmca = ifmca->next, ip_idx++) {
+ if (ip_idx < s_ip_idx)
+ continue;
++ if (!v6_addr_in_nx_info(nxi, &ifmca->mca_addr, -1))
++ continue;
+ err = inet6_fill_ifmcaddr(skb, ifmca,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+@@ -3740,6 +3756,8 @@ static int in6_dump_addrs(struct inet6_d
+ ifaca = ifaca->aca_next, ip_idx++) {
+ if (ip_idx < s_ip_idx)
+ continue;
++ if (!v6_addr_in_nx_info(nxi, &ifaca->aca_addr, -1))
++ continue;
+ err = inet6_fill_ifacaddr(skb, ifaca,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+@@ -4125,6 +4143,11 @@ static int inet6_dump_ifinfo(struct sk_b
+ struct inet6_dev *idev;
+ struct hlist_head *head;
+ struct hlist_node *node;
++ struct nx_info *nxi = skb->sk ? skb->sk->sk_nx_info : NULL;
++
++ /* FIXME: maybe disable ipv6 on non v6 guests?
++ if (skb->sk && skb->sk->sk_vx_info)
++ return skb->len; */
+
+ s_h = cb->args[0];
+ s_idx = cb->args[1];
+@@ -4136,6 +4159,8 @@ static int inet6_dump_ifinfo(struct sk_b
+ hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+ if (idx < s_idx)
+ goto cont;
++ if (!v6_dev_in_nx_info(dev, nxi))
++ goto cont;
+ idev = __in6_dev_get(dev);
+ if (!idev)
+ goto cont;
+diff -NurpP --minimal linux-3.4.45/net/ipv6/af_inet6.c linux-3.4.45-vs2.3.3.9/net/ipv6/af_inet6.c
+--- linux-3.4.45/net/ipv6/af_inet6.c 2012-05-21 16:07:40.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/af_inet6.c 2012-09-01 09:15:04.000000000 +0000
+@@ -42,6 +42,8 @@
+ #include <linux/netdevice.h>
+ #include <linux/icmpv6.h>
+ #include <linux/netfilter_ipv6.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
+
+ #include <net/ip.h>
+ #include <net/ipv6.h>
+@@ -159,9 +161,12 @@ lookup_protocol:
+ }
+
+ err = -EPERM;
++ if ((protocol == IPPROTO_ICMPV6) &&
++ nx_capable(CAP_NET_RAW, NXC_RAW_ICMP))
++ goto override;
+ if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
+ goto out_rcu_unlock;
+-
++override:
+ sock->ops = answer->ops;
+ answer_prot = answer->prot;
+ answer_no_check = answer->no_check;
+@@ -261,6 +266,7 @@ int inet6_bind(struct socket *sock, stru
+ struct inet_sock *inet = inet_sk(sk);
+ struct ipv6_pinfo *np = inet6_sk(sk);
+ struct net *net = sock_net(sk);
++ struct nx_v6_sock_addr nsa;
+ __be32 v4addr = 0;
+ unsigned short snum;
+ int addr_type = 0;
+@@ -276,6 +282,10 @@ int inet6_bind(struct socket *sock, stru
+ if (addr->sin6_family != AF_INET6)
+ return -EAFNOSUPPORT;
+
++ err = v6_map_sock_addr(inet, addr, &nsa);
++ if (err)
++ return err;
++
+ addr_type = ipv6_addr_type(&addr->sin6_addr);
+ if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
+ return -EINVAL;
+@@ -307,6 +317,7 @@ int inet6_bind(struct socket *sock, stru
+ /* Reproduce AF_INET checks to make the bindings consistent */
+ v4addr = addr->sin6_addr.s6_addr32[3];
+ chk_addr_ret = inet_addr_type(net, v4addr);
++
+ if (!sysctl_ip_nonlocal_bind &&
+ !(inet->freebind || inet->transparent) &&
+ v4addr != htonl(INADDR_ANY) &&
+@@ -316,6 +327,10 @@ int inet6_bind(struct socket *sock, stru
+ err = -EADDRNOTAVAIL;
+ goto out;
+ }
++ if (!v4_addr_in_nx_info(sk->sk_nx_info, v4addr, NXA_MASK_BIND)) {
++ err = -EADDRNOTAVAIL;
++ goto out;
++ }
+ } else {
+ if (addr_type != IPV6_ADDR_ANY) {
+ struct net_device *dev = NULL;
+@@ -342,6 +357,11 @@ int inet6_bind(struct socket *sock, stru
+ }
+ }
+
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, &addr->sin6_addr, -1)) {
++ err = -EADDRNOTAVAIL;
++ goto out_unlock;
++ }
++
+ /* ipv4 addr of the socket is invalid. Only the
+ * unspecified and mapped address have a v4 equivalent.
+ */
+@@ -358,6 +378,9 @@ int inet6_bind(struct socket *sock, stru
+ }
+ }
+
++ /* what's that for? */
++ v6_set_sock_addr(inet, &nsa);
++
+ inet->inet_rcv_saddr = v4addr;
+ inet->inet_saddr = v4addr;
+
+@@ -459,9 +482,11 @@ int inet6_getname(struct socket *sock, s
+ return -ENOTCONN;
+ sin->sin6_port = inet->inet_dport;
+ sin->sin6_addr = np->daddr;
++ /* FIXME: remap lback? */
+ if (np->sndflow)
+ sin->sin6_flowinfo = np->flow_label;
+ } else {
++ /* FIXME: remap lback? */
+ if (ipv6_addr_any(&np->rcv_saddr))
+ sin->sin6_addr = np->saddr;
+ else
+diff -NurpP --minimal linux-3.4.45/net/ipv6/datagram.c linux-3.4.45-vs2.3.3.9/net/ipv6/datagram.c
+--- linux-3.4.45/net/ipv6/datagram.c 2012-05-21 16:07:40.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/datagram.c 2012-05-21 16:15:05.000000000 +0000
+@@ -642,7 +642,7 @@ int datagram_send_ctl(struct net *net, s
+
+ rcu_read_lock();
+ if (fl6->flowi6_oif) {
+- dev = dev_get_by_index_rcu(net, fl6->flowi6_oif);
++ dev = dev_get_by_index_real_rcu(net, fl6->flowi6_oif);
+ if (!dev) {
+ rcu_read_unlock();
+ return -ENODEV;
+diff -NurpP --minimal linux-3.4.45/net/ipv6/fib6_rules.c linux-3.4.45-vs2.3.3.9/net/ipv6/fib6_rules.c
+--- linux-3.4.45/net/ipv6/fib6_rules.c 2012-03-19 18:47:33.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/fib6_rules.c 2012-05-21 16:15:05.000000000 +0000
+@@ -91,7 +91,7 @@ static int fib6_rule_action(struct fib_r
+ ip6_dst_idev(&rt->dst)->dev,
+ &flp6->daddr,
+ rt6_flags2srcprefs(flags),
+- &saddr))
++ &saddr, NULL))
+ goto again;
+ if (!ipv6_prefix_equal(&saddr, &r->src.addr,
+ r->src.plen))
+diff -NurpP --minimal linux-3.4.45/net/ipv6/inet6_hashtables.c linux-3.4.45-vs2.3.3.9/net/ipv6/inet6_hashtables.c
+--- linux-3.4.45/net/ipv6/inet6_hashtables.c 2011-10-24 16:45:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/inet6_hashtables.c 2012-05-21 16:15:05.000000000 +0000
+@@ -16,6 +16,7 @@
+
+ #include <linux/module.h>
+ #include <linux/random.h>
++#include <linux/vs_inet6.h>
+
+ #include <net/inet_connection_sock.h>
+ #include <net/inet_hashtables.h>
+@@ -83,7 +84,6 @@ struct sock *__inet6_lookup_established(
+ unsigned int slot = hash & hashinfo->ehash_mask;
+ struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
+
+-
+ rcu_read_lock();
+ begin:
+ sk_nulls_for_each_rcu(sk, node, &head->chain) {
+@@ -95,7 +95,7 @@ begin:
+ sock_put(sk);
+ goto begin;
+ }
+- goto out;
++ goto out;
+ }
+ }
+ if (get_nulls_value(node) != slot)
+@@ -141,6 +141,9 @@ static inline int compute_score(struct s
+ if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
+ return -1;
+ score++;
++ } else {
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
++ return -1;
+ }
+ if (sk->sk_bound_dev_if) {
+ if (sk->sk_bound_dev_if != dif)
+diff -NurpP --minimal linux-3.4.45/net/ipv6/ip6_output.c linux-3.4.45-vs2.3.3.9/net/ipv6/ip6_output.c
+--- linux-3.4.45/net/ipv6/ip6_output.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/ip6_output.c 2013-02-19 14:42:56.000000000 +0000
+@@ -966,7 +966,8 @@ static int ip6_dst_lookup_tail(struct so
+ struct rt6_info *rt = (struct rt6_info *) *dst;
+ err = ip6_route_get_saddr(net, rt, &fl6->daddr,
+ sk ? inet6_sk(sk)->srcprefs : 0,
+- &fl6->saddr);
++ &fl6->saddr,
++ sk ? sk->sk_nx_info : NULL);
+ if (err)
+ goto out_err_release;
+ }
+diff -NurpP --minimal linux-3.4.45/net/ipv6/ndisc.c linux-3.4.45-vs2.3.3.9/net/ipv6/ndisc.c
+--- linux-3.4.45/net/ipv6/ndisc.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/ndisc.c 2012-11-18 23:52:30.000000000 +0000
+@@ -575,7 +575,7 @@ static void ndisc_send_na(struct net_dev
+ } else {
+ if (ipv6_dev_get_saddr(dev_net(dev), dev, daddr,
+ inet6_sk(dev_net(dev)->ipv6.ndisc_sk)->srcprefs,
+- &tmpaddr))
++ &tmpaddr, NULL))
+ return;
+ src_addr = &tmpaddr;
+ }
+diff -NurpP --minimal linux-3.4.45/net/ipv6/raw.c linux-3.4.45-vs2.3.3.9/net/ipv6/raw.c
+--- linux-3.4.45/net/ipv6/raw.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/raw.c 2012-10-22 13:09:53.000000000 +0000
+@@ -30,6 +30,7 @@
+ #include <linux/icmpv6.h>
+ #include <linux/netfilter.h>
+ #include <linux/netfilter_ipv6.h>
++#include <linux/vs_inet6.h>
+ #include <linux/skbuff.h>
+ #include <linux/compat.h>
+ #include <asm/uaccess.h>
+@@ -284,6 +285,13 @@ static int rawv6_bind(struct sock *sk, s
+ goto out_unlock;
+ }
+
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, &addr->sin6_addr, -1)) {
++ err = -EADDRNOTAVAIL;
++ if (dev)
++ dev_put(dev);
++ goto out;
++ }
++
+ /* ipv4 addr of the socket is invalid. Only the
+ * unspecified and mapped address have a v4 equivalent.
+ */
+diff -NurpP --minimal linux-3.4.45/net/ipv6/route.c linux-3.4.45-vs2.3.3.9/net/ipv6/route.c
+--- linux-3.4.45/net/ipv6/route.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/route.c 2013-03-30 21:29:17.000000000 +0000
+@@ -55,6 +55,7 @@
+ #include <net/xfrm.h>
+ #include <net/netevent.h>
+ #include <net/netlink.h>
++#include <linux/vs_inet6.h>
+
+ #include <asm/uaccess.h>
+
+@@ -2147,15 +2148,17 @@ int ip6_route_get_saddr(struct net *net,
+ struct rt6_info *rt,
+ const struct in6_addr *daddr,
+ unsigned int prefs,
+- struct in6_addr *saddr)
++ struct in6_addr *saddr,
++ struct nx_info *nxi)
+ {
+ struct inet6_dev *idev = ip6_dst_idev((struct dst_entry*)rt);
+ int err = 0;
+- if (rt->rt6i_prefsrc.plen)
++ if (rt->rt6i_prefsrc.plen && (!nxi ||
++ v6_addr_in_nx_info(nxi, &rt->rt6i_prefsrc.addr, NXA_TYPE_ADDR)))
+ *saddr = rt->rt6i_prefsrc.addr;
+ else
+ err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
+- daddr, prefs, saddr);
++ daddr, prefs, saddr, nxi);
+ return err;
+ }
+
+@@ -2486,7 +2489,8 @@ static int rt6_fill_node(struct net *net
+ NLA_PUT_U32(skb, RTA_IIF, iif);
+ } else if (dst) {
+ struct in6_addr saddr_buf;
+- if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf) == 0)
++ if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf,
++ (skb->sk ? skb->sk->sk_nx_info : NULL)) == 0)
+ NLA_PUT(skb, RTA_PREFSRC, 16, &saddr_buf);
+ }
+
+@@ -2713,6 +2717,7 @@ static int rt6_info_route(struct rt6_inf
+ struct seq_file *m = p_arg;
+ struct neighbour *n;
+
++ /* FIXME: check for network context? */
+ seq_printf(m, "%pi6 %02x ", &rt->rt6i_dst.addr, rt->rt6i_dst.plen);
+
+ #ifdef CONFIG_IPV6_SUBTREES
+diff -NurpP --minimal linux-3.4.45/net/ipv6/tcp_ipv6.c linux-3.4.45-vs2.3.3.9/net/ipv6/tcp_ipv6.c
+--- linux-3.4.45/net/ipv6/tcp_ipv6.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/tcp_ipv6.c 2013-01-16 00:15:57.000000000 +0000
+@@ -71,6 +71,7 @@
+
+ #include <linux/crypto.h>
+ #include <linux/scatterlist.h>
++#include <linux/vs_inet6.h>
+
+ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb);
+ static void tcp_v6_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
+@@ -163,8 +164,15 @@ static int tcp_v6_connect(struct sock *s
+ * connect() to INADDR_ANY means loopback (BSD'ism).
+ */
+
+- if(ipv6_addr_any(&usin->sin6_addr))
+- usin->sin6_addr.s6_addr[15] = 0x1;
++ if(ipv6_addr_any(&usin->sin6_addr)) {
++ struct nx_info *nxi = sk->sk_nx_info;
++
++ if (nxi && nx_info_has_v6(nxi))
++ /* FIXME: remap lback? */
++ usin->sin6_addr = nxi->v6.ip;
++ else
++ usin->sin6_addr.s6_addr[15] = 0x1;
++ }
+
+ addr_type = ipv6_addr_type(&usin->sin6_addr);
+
+diff -NurpP --minimal linux-3.4.45/net/ipv6/udp.c linux-3.4.45-vs2.3.3.9/net/ipv6/udp.c
+--- linux-3.4.45/net/ipv6/udp.c 2012-05-21 16:07:40.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/udp.c 2012-05-21 16:15:05.000000000 +0000
+@@ -45,41 +45,67 @@
+ #include <net/tcp_states.h>
+ #include <net/ip6_checksum.h>
+ #include <net/xfrm.h>
++#include <linux/vs_inet6.h>
+
+ #include <linux/proc_fs.h>
+ #include <linux/seq_file.h>
+ #include "udp_impl.h"
+
+-int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
++int ipv6_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
+ {
+- const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
++ const struct in6_addr *sk1_rcv_saddr6 = &inet6_sk(sk1)->rcv_saddr;
+ const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
+- __be32 sk1_rcv_saddr = sk_rcv_saddr(sk);
++ __be32 sk1_rcv_saddr = sk_rcv_saddr(sk1);
+ __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
+- int sk_ipv6only = ipv6_only_sock(sk);
++ int sk1_ipv6only = ipv6_only_sock(sk1);
+ int sk2_ipv6only = inet_v6_ipv6only(sk2);
+- int addr_type = ipv6_addr_type(sk_rcv_saddr6);
++ int addr_type = ipv6_addr_type(sk1_rcv_saddr6);
+ int addr_type2 = sk2_rcv_saddr6 ? ipv6_addr_type(sk2_rcv_saddr6) : IPV6_ADDR_MAPPED;
+
+ /* if both are mapped, treat as IPv4 */
+- if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED)
+- return (!sk2_ipv6only &&
++ if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED) {
++ if (!sk2_ipv6only &&
+ (!sk1_rcv_saddr || !sk2_rcv_saddr ||
+- sk1_rcv_saddr == sk2_rcv_saddr));
++ sk1_rcv_saddr == sk2_rcv_saddr))
++ goto vs_v4;
++ else
++ return 0;
++ }
+
+ if (addr_type2 == IPV6_ADDR_ANY &&
+ !(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
+- return 1;
++ goto vs;
+
+ if (addr_type == IPV6_ADDR_ANY &&
+- !(sk_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
+- return 1;
++ !(sk1_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
++ goto vs;
+
+ if (sk2_rcv_saddr6 &&
+- ipv6_addr_equal(sk_rcv_saddr6, sk2_rcv_saddr6))
+- return 1;
++ ipv6_addr_equal(sk1_rcv_saddr6, sk2_rcv_saddr6))
++ goto vs;
+
+ return 0;
++
++vs_v4:
++ if (!sk1_rcv_saddr && !sk2_rcv_saddr)
++ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
++ if (!sk2_rcv_saddr)
++ return v4_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr, -1);
++ if (!sk1_rcv_saddr)
++ return v4_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr, -1);
++ return 1;
++vs:
++ if (addr_type2 == IPV6_ADDR_ANY && addr_type == IPV6_ADDR_ANY)
++ return nx_v6_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
++ else if (addr_type2 == IPV6_ADDR_ANY)
++ return v6_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr6, -1);
++ else if (addr_type == IPV6_ADDR_ANY) {
++ if (addr_type2 == IPV6_ADDR_MAPPED)
++ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
++ else
++ return v6_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr6, -1);
++ }
++ return 1;
+ }
+
+ static unsigned int udp6_portaddr_hash(struct net *net,
+@@ -143,6 +169,10 @@ static inline int compute_score(struct s
+ if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
+ return -1;
+ score++;
++ } else {
++ /* block non nx_info ips */
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
++ return -1;
+ }
+ if (!ipv6_addr_any(&np->daddr)) {
+ if (!ipv6_addr_equal(&np->daddr, saddr))
+diff -NurpP --minimal linux-3.4.45/net/ipv6/xfrm6_policy.c linux-3.4.45-vs2.3.3.9/net/ipv6/xfrm6_policy.c
+--- linux-3.4.45/net/ipv6/xfrm6_policy.c 2012-03-19 18:47:33.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/ipv6/xfrm6_policy.c 2012-05-21 16:15:05.000000000 +0000
+@@ -63,7 +63,7 @@ static int xfrm6_get_saddr(struct net *n
+ dev = ip6_dst_idev(dst)->dev;
+ ipv6_dev_get_saddr(dev_net(dev), dev,
+ (struct in6_addr *)&daddr->a6, 0,
+- (struct in6_addr *)&saddr->a6);
++ (struct in6_addr *)&saddr->a6, NULL);
+ dst_release(dst);
+ return 0;
+ }
+diff -NurpP --minimal linux-3.4.45/net/netfilter/ipvs/ip_vs_xmit.c linux-3.4.45-vs2.3.3.9/net/netfilter/ipvs/ip_vs_xmit.c
+--- linux-3.4.45/net/netfilter/ipvs/ip_vs_xmit.c 2012-03-19 18:47:33.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/netfilter/ipvs/ip_vs_xmit.c 2012-05-21 16:15:05.000000000 +0000
+@@ -226,7 +226,7 @@ __ip_vs_route_output_v6(struct net *net,
+ return dst;
+ if (ipv6_addr_any(&fl6.saddr) &&
+ ipv6_dev_get_saddr(net, ip6_dst_idev(dst)->dev,
+- &fl6.daddr, 0, &fl6.saddr) < 0)
++ &fl6.daddr, 0, &fl6.saddr, NULL) < 0)
+ goto out_err;
+ if (do_xfrm) {
+ dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
+diff -NurpP --minimal linux-3.4.45/net/netlink/af_netlink.c linux-3.4.45-vs2.3.3.9/net/netlink/af_netlink.c
+--- linux-3.4.45/net/netlink/af_netlink.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/netlink/af_netlink.c 2012-11-18 23:52:30.000000000 +0000
+@@ -55,6 +55,9 @@
+ #include <linux/types.h>
+ #include <linux/audit.h>
+ #include <linux/mutex.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_limit.h>
+
+ #include <net/net_namespace.h>
+ #include <net/sock.h>
+@@ -1951,6 +1954,8 @@ static struct sock *netlink_seq_socket_i
+ sk_for_each(s, node, &hash->table[j]) {
+ if (sock_net(s) != seq_file_net(seq))
+ continue;
++ if (!nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (off == pos) {
+ iter->link = i;
+ iter->hash_idx = j;
+@@ -1985,7 +1990,8 @@ static void *netlink_seq_next(struct seq
+ s = v;
+ do {
+ s = sk_next(s);
+- } while (s && sock_net(s) != seq_file_net(seq));
++ } while (s && (sock_net(s) != seq_file_net(seq) ||
++ !nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT)));
+ if (s)
+ return s;
+
+@@ -1997,7 +2003,8 @@ static void *netlink_seq_next(struct seq
+
+ for (; j <= hash->mask; j++) {
+ s = sk_head(&hash->table[j]);
+- while (s && sock_net(s) != seq_file_net(seq))
++ while (s && (sock_net(s) != seq_file_net(seq) ||
++ !nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT)))
+ s = sk_next(s);
+ if (s) {
+ iter->link = i;
+diff -NurpP --minimal linux-3.4.45/net/socket.c linux-3.4.45-vs2.3.3.9/net/socket.c
+--- linux-3.4.45/net/socket.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/socket.c 2012-10-22 13:09:53.000000000 +0000
+@@ -98,6 +98,10 @@
+
+ #include <net/sock.h>
+ #include <linux/netfilter.h>
++#include <linux/vs_base.h>
++#include <linux/vs_socket.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
+
+ #include <linux/if_tun.h>
+ #include <linux/ipv6_route.h>
+@@ -551,6 +555,7 @@ static inline int __sock_sendmsg_nosec(s
+ struct msghdr *msg, size_t size)
+ {
+ struct sock_iocb *si = kiocb_to_siocb(iocb);
++ size_t len;
+
+ sock_update_classid(sock->sk);
+
+@@ -561,7 +566,22 @@ static inline int __sock_sendmsg_nosec(s
+ si->msg = msg;
+ si->size = size;
+
+- return sock->ops->sendmsg(iocb, sock, msg, size);
++ len = sock->ops->sendmsg(iocb, sock, msg, size);
++ if (sock->sk) {
++ if (len == size)
++ vx_sock_send(sock->sk, size);
++ else
++ vx_sock_fail(sock->sk, size);
++ }
++ vxdprintk(VXD_CBIT(net, 7),
++ "__sock_sendmsg: %p[%p,%p,%p;%d/%d]:%d/%zu",
++ sock, sock->sk,
++ (sock->sk)?sock->sk->sk_nx_info:0,
++ (sock->sk)?sock->sk->sk_vx_info:0,
++ (sock->sk)?sock->sk->sk_xid:0,
++ (sock->sk)?sock->sk->sk_nid:0,
++ (unsigned int)size, len);
++ return len;
+ }
+
+ static inline int __sock_sendmsg(struct kiocb *iocb, struct socket *sock,
+@@ -717,6 +737,7 @@ static inline int __sock_recvmsg_nosec(s
+ struct msghdr *msg, size_t size, int flags)
+ {
+ struct sock_iocb *si = kiocb_to_siocb(iocb);
++ int len;
+
+ sock_update_classid(sock->sk);
+
+@@ -726,7 +747,18 @@ static inline int __sock_recvmsg_nosec(s
+ si->size = size;
+ si->flags = flags;
+
+- return sock->ops->recvmsg(iocb, sock, msg, size, flags);
++ len = sock->ops->recvmsg(iocb, sock, msg, size, flags);
++ if ((len >= 0) && sock->sk)
++ vx_sock_recv(sock->sk, len);
++ vxdprintk(VXD_CBIT(net, 7),
++ "__sock_recvmsg: %p[%p,%p,%p;%d/%d]:%d/%d",
++ sock, sock->sk,
++ (sock->sk)?sock->sk->sk_nx_info:0,
++ (sock->sk)?sock->sk->sk_vx_info:0,
++ (sock->sk)?sock->sk->sk_xid:0,
++ (sock->sk)?sock->sk->sk_nid:0,
++ (unsigned int)size, len);
++ return len;
+ }
+
+ static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
+@@ -1211,6 +1243,13 @@ int __sock_create(struct net *net, int f
+ if (type < 0 || type >= SOCK_MAX)
+ return -EINVAL;
+
++ if (!nx_check(0, VS_ADMIN)) {
++ if (family == PF_INET && !current_nx_info_has_v4())
++ return -EAFNOSUPPORT;
++ if (family == PF_INET6 && !current_nx_info_has_v6())
++ return -EAFNOSUPPORT;
++ }
++
+ /* Compatibility.
+
+ This uglymoron is moved from INET layer to here to avoid
+@@ -1346,6 +1385,7 @@ SYSCALL_DEFINE3(socket, int, family, int
+ if (retval < 0)
+ goto out;
+
++ set_bit(SOCK_USER_SOCKET, &sock->flags);
+ retval = sock_map_fd(sock, flags & (O_CLOEXEC | O_NONBLOCK));
+ if (retval < 0)
+ goto out_release;
+@@ -1387,10 +1427,12 @@ SYSCALL_DEFINE4(socketpair, int, family,
+ err = sock_create(family, type, protocol, &sock1);
+ if (err < 0)
+ goto out;
++ set_bit(SOCK_USER_SOCKET, &sock1->flags);
+
+ err = sock_create(family, type, protocol, &sock2);
+ if (err < 0)
+ goto out_release_1;
++ set_bit(SOCK_USER_SOCKET, &sock2->flags);
+
+ err = sock1->ops->socketpair(sock1, sock2);
+ if (err < 0)
+diff -NurpP --minimal linux-3.4.45/net/sunrpc/auth.c linux-3.4.45-vs2.3.3.9/net/sunrpc/auth.c
+--- linux-3.4.45/net/sunrpc/auth.c 2011-10-24 16:45:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/sunrpc/auth.c 2012-05-21 16:15:05.000000000 +0000
+@@ -14,6 +14,7 @@
+ #include <linux/hash.h>
+ #include <linux/sunrpc/clnt.h>
+ #include <linux/spinlock.h>
++#include <linux/vs_tag.h>
+
+ #ifdef RPC_DEBUG
+ # define RPCDBG_FACILITY RPCDBG_AUTH
+@@ -427,6 +428,7 @@ rpcauth_lookupcred(struct rpc_auth *auth
+ memset(&acred, 0, sizeof(acred));
+ acred.uid = cred->fsuid;
+ acred.gid = cred->fsgid;
++ acred.tag = dx_current_tag();
+ acred.group_info = get_group_info(((struct cred *)cred)->group_info);
+
+ ret = auth->au_ops->lookup_cred(auth, &acred, flags);
+@@ -467,6 +469,7 @@ rpcauth_bind_root_cred(struct rpc_task *
+ struct auth_cred acred = {
+ .uid = 0,
+ .gid = 0,
++ .tag = dx_current_tag(),
+ };
+
+ dprintk("RPC: %5u looking up %s cred\n",
+diff -NurpP --minimal linux-3.4.45/net/sunrpc/auth_unix.c linux-3.4.45-vs2.3.3.9/net/sunrpc/auth_unix.c
+--- linux-3.4.45/net/sunrpc/auth_unix.c 2012-01-09 15:15:04.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/sunrpc/auth_unix.c 2012-05-21 16:15:05.000000000 +0000
+@@ -12,12 +12,14 @@
+ #include <linux/module.h>
+ #include <linux/sunrpc/clnt.h>
+ #include <linux/sunrpc/auth.h>
++#include <linux/vs_tag.h>
+
+ #define NFS_NGROUPS 16
+
+ struct unx_cred {
+ struct rpc_cred uc_base;
+ gid_t uc_gid;
++ tag_t uc_tag;
+ gid_t uc_gids[NFS_NGROUPS];
+ };
+ #define uc_uid uc_base.cr_uid
+@@ -78,6 +80,7 @@ unx_create_cred(struct rpc_auth *auth, s
+ groups = NFS_NGROUPS;
+
+ cred->uc_gid = acred->gid;
++ cred->uc_tag = acred->tag;
+ for (i = 0; i < groups; i++)
+ cred->uc_gids[i] = GROUP_AT(acred->group_info, i);
+ if (i < NFS_NGROUPS)
+@@ -119,7 +122,9 @@ unx_match(struct auth_cred *acred, struc
+ unsigned int i;
+
+
+- if (cred->uc_uid != acred->uid || cred->uc_gid != acred->gid)
++ if (cred->uc_uid != acred->uid ||
++ cred->uc_gid != acred->gid ||
++ cred->uc_tag != acred->tag)
+ return 0;
+
+ if (acred->group_info != NULL)
+@@ -145,7 +150,7 @@ unx_marshal(struct rpc_task *task, __be3
+ struct rpc_clnt *clnt = task->tk_client;
+ struct unx_cred *cred = container_of(task->tk_rqstp->rq_cred, struct unx_cred, uc_base);
+ __be32 *base, *hold;
+- int i;
++ int i, tag;
+
+ *p++ = htonl(RPC_AUTH_UNIX);
+ base = p++;
+@@ -155,9 +160,12 @@ unx_marshal(struct rpc_task *task, __be3
+ * Copy the UTS nodename captured when the client was created.
+ */
+ p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen);
++ tag = task->tk_client->cl_tag;
+
+- *p++ = htonl((u32) cred->uc_uid);
+- *p++ = htonl((u32) cred->uc_gid);
++ *p++ = htonl((u32) TAGINO_UID(tag,
++ cred->uc_uid, cred->uc_tag));
++ *p++ = htonl((u32) TAGINO_GID(tag,
++ cred->uc_gid, cred->uc_tag));
+ hold = p++;
+ for (i = 0; i < 16 && cred->uc_gids[i] != (gid_t) NOGROUP; i++)
+ *p++ = htonl((u32) cred->uc_gids[i]);
+diff -NurpP --minimal linux-3.4.45/net/sunrpc/clnt.c linux-3.4.45-vs2.3.3.9/net/sunrpc/clnt.c
+--- linux-3.4.45/net/sunrpc/clnt.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/sunrpc/clnt.c 2013-02-11 23:37:30.000000000 +0000
+@@ -31,6 +31,7 @@
+ #include <linux/in6.h>
+ #include <linux/un.h>
+ #include <linux/rcupdate.h>
++#include <linux/vs_cvirt.h>
+
+ #include <linux/sunrpc/clnt.h>
+ #include <linux/sunrpc/rpc_pipe_fs.h>
+@@ -483,6 +484,9 @@ struct rpc_clnt *rpc_create(struct rpc_c
+ if (!(args->flags & RPC_CLNT_CREATE_QUIET))
+ clnt->cl_chatty = 1;
+
++ /* TODO: handle RPC_CLNT_CREATE_TAGGED
++ if (args->flags & RPC_CLNT_CREATE_TAGGED)
++ clnt->cl_tag = 1; */
+ return clnt;
+ }
+ EXPORT_SYMBOL_GPL(rpc_create);
+diff -NurpP --minimal linux-3.4.45/net/unix/af_unix.c linux-3.4.45-vs2.3.3.9/net/unix/af_unix.c
+--- linux-3.4.45/net/unix/af_unix.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/net/unix/af_unix.c 2013-05-13 18:16:08.000000000 +0000
+@@ -114,6 +114,8 @@
+ #include <linux/mount.h>
+ #include <net/checksum.h>
+ #include <linux/security.h>
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
+
+ struct hlist_head unix_socket_table[UNIX_HASH_SIZE + 1];
+ EXPORT_SYMBOL_GPL(unix_socket_table);
+@@ -261,6 +263,8 @@ static struct sock *__unix_find_socket_b
+ if (!net_eq(sock_net(s), net))
+ continue;
+
++ if (!nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (u->addr->len == len &&
+ !memcmp(u->addr->name, sunname, len))
+ goto found;
+@@ -2265,6 +2269,8 @@ static struct sock *unix_seq_idx(struct
+ for (s = first_unix_socket(&iter->i); s; s = next_unix_socket(&iter->i, s)) {
+ if (sock_net(s) != seq_file_net(seq))
+ continue;
++ if (!nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (off == pos)
+ return s;
+ ++off;
+@@ -2289,7 +2295,8 @@ static void *unix_seq_next(struct seq_fi
+ sk = first_unix_socket(&iter->i);
+ else
+ sk = next_unix_socket(&iter->i, sk);
+- while (sk && (sock_net(sk) != seq_file_net(seq)))
++ while (sk && (sock_net(sk) != seq_file_net(seq) ||
++ !nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT)))
+ sk = next_unix_socket(&iter->i, sk);
+ return sk;
+ }
+diff -NurpP --minimal linux-3.4.45/scripts/checksyscalls.sh linux-3.4.45-vs2.3.3.9/scripts/checksyscalls.sh
+--- linux-3.4.45/scripts/checksyscalls.sh 2012-03-19 18:47:34.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/scripts/checksyscalls.sh 2012-05-21 16:15:05.000000000 +0000
+@@ -193,7 +193,6 @@ cat << EOF
+ #define __IGNORE_afs_syscall
+ #define __IGNORE_getpmsg
+ #define __IGNORE_putpmsg
+-#define __IGNORE_vserver
+ EOF
+ }
+
+diff -NurpP --minimal linux-3.4.45/security/commoncap.c linux-3.4.45-vs2.3.3.9/security/commoncap.c
+--- linux-3.4.45/security/commoncap.c 2012-05-21 16:07:41.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/security/commoncap.c 2012-05-21 16:15:05.000000000 +0000
+@@ -76,14 +76,20 @@ int cap_netlink_send(struct sock *sk, st
+ int cap_capable(const struct cred *cred, struct user_namespace *targ_ns,
+ int cap, int audit)
+ {
++ struct vx_info *vxi = current_vx_info(); /* FIXME: get vxi from cred? */
++
+ for (;;) {
+ /* The creator of the user namespace has all caps. */
+ if (targ_ns != &init_user_ns && targ_ns->creator == cred->user)
+ return 0;
+
+ /* Do we have the necessary capabilities? */
+- if (targ_ns == cred->user->user_ns)
+- return cap_raised(cred->cap_effective, cap) ? 0 : -EPERM;
++ if (targ_ns == cred->user->user_ns) {
++ if (vx_info_flags(vxi, VXF_STATE_SETUP, 0) &&
++ cap_raised(cred->cap_effective, cap))
++ return 0;
++ return vx_cap_raised(vxi, cred->cap_effective, cap) ? 0 : -EPERM;
++ }
+
+ /* Have we tried all of the parent namespaces? */
+ if (targ_ns == &init_user_ns)
+@@ -612,7 +618,7 @@ int cap_inode_setxattr(struct dentry *de
+
+ if (!strncmp(name, XATTR_SECURITY_PREFIX,
+ sizeof(XATTR_SECURITY_PREFIX) - 1) &&
+- !capable(CAP_SYS_ADMIN))
++ !vx_capable(CAP_SYS_ADMIN, VXC_FS_SECURITY))
+ return -EPERM;
+ return 0;
+ }
+@@ -638,7 +644,7 @@ int cap_inode_removexattr(struct dentry
+
+ if (!strncmp(name, XATTR_SECURITY_PREFIX,
+ sizeof(XATTR_SECURITY_PREFIX) - 1) &&
+- !capable(CAP_SYS_ADMIN))
++ !vx_capable(CAP_SYS_ADMIN, VXC_FS_SECURITY))
+ return -EPERM;
+ return 0;
+ }
+diff -NurpP --minimal linux-3.4.45/security/selinux/hooks.c linux-3.4.45-vs2.3.3.9/security/selinux/hooks.c
+--- linux-3.4.45/security/selinux/hooks.c 2013-05-13 17:36:38.000000000 +0000
++++ linux-3.4.45-vs2.3.3.9/security/selinux/hooks.c 2012-09-01 08:50:49.000000000 +0000
+@@ -66,7 +66,6 @@
+ #include <linux/dccp.h>
+ #include <linux/quota.h>
+ #include <linux/un.h> /* for Unix socket types */
+-#include <net/af_unix.h> /* for Unix socket types */
+ #include <linux/parser.h>
+ #include <linux/nfs_mount.h>
+ #include <net/ipv6.h>
diff --git a/main/linux-vserver/patch-3.6.11-al5.patch b/main/linux-vserver/patch-3.6.11-al5.patch
new file mode 100644
index 0000000000..54952a485b
--- /dev/null
+++ b/main/linux-vserver/patch-3.6.11-al5.patch
@@ -0,0 +1,17797 @@
+diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
+index ad7e2e5..15199ed 100644
+--- a/Documentation/kernel-parameters.txt
++++ b/Documentation/kernel-parameters.txt
+@@ -570,6 +570,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
+ UART at the specified I/O port or MMIO address,
+ switching to the matching ttyS device later. The
+ options are the same as for ttyS, above.
++ hvc<n> Use the hypervisor console device <n>. This is for
++ both Xen and PowerPC hypervisors.
+
+ If the device connected to the port is not a TTY but a braille
+ device, prepend "brl," before the device type, for instance
+@@ -760,6 +762,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
+
+ earlyprintk= [X86,SH,BLACKFIN]
+ earlyprintk=vga
++ earlyprintk=xen
+ earlyprintk=serial[,ttySn[,baudrate]]
+ earlyprintk=ttySn[,baudrate]
+ earlyprintk=dbgp[debugController#]
+@@ -777,6 +780,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
+ The VGA output is eventually overwritten by the real
+ console.
+
++ The xen output can only be used by Xen PV guests.
++
+ ekgdboc= [X86,KGDB] Allow early kernel console debugging
+ ekgdboc=kbd
+
+diff --git a/MAINTAINERS b/MAINTAINERS
+index 9a6c4da..61ed6f7 100644
+--- a/MAINTAINERS
++++ b/MAINTAINERS
+@@ -2697,7 +2697,7 @@ S: Maintained
+ F: drivers/net/ethernet/i825xx/eexpress.*
+
+ ETHERNET BRIDGE
+-M: Stephen Hemminger <shemminger@vyatta.com>
++M: Stephen Hemminger <stephen@networkplumber.org>
+ L: bridge@lists.linux-foundation.org
+ L: netdev@vger.kernel.org
+ W: http://www.linuxfoundation.org/en/Net:Bridge
+@@ -4420,7 +4420,7 @@ S: Maintained
+
+ MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2)
+ M: Mirko Lindner <mlindner@marvell.com>
+-M: Stephen Hemminger <shemminger@vyatta.com>
++M: Stephen Hemminger <stephen@networkplumber.org>
+ L: netdev@vger.kernel.org
+ S: Maintained
+ F: drivers/net/ethernet/marvell/sk*
+@@ -4664,7 +4664,7 @@ S: Supported
+ F: drivers/infiniband/hw/nes/
+
+ NETEM NETWORK EMULATOR
+-M: Stephen Hemminger <shemminger@vyatta.com>
++M: Stephen Hemminger <stephen@networkplumber.org>
+ L: netem@lists.linux-foundation.org
+ S: Maintained
+ F: net/sched/sch_netem.c
+diff --git a/arch/arm/kernel/sched_clock.c b/arch/arm/kernel/sched_clock.c
+index f451539..63bc22c 100644
+--- a/arch/arm/kernel/sched_clock.c
++++ b/arch/arm/kernel/sched_clock.c
+@@ -89,11 +89,11 @@ static void notrace update_sched_clock(void)
+ * detectable in cyc_to_fixed_sched_clock().
+ */
+ raw_local_irq_save(flags);
+- cd.epoch_cyc = cyc;
++ cd.epoch_cyc_copy = cyc;
+ smp_wmb();
+ cd.epoch_ns = ns;
+ smp_wmb();
+- cd.epoch_cyc_copy = cyc;
++ cd.epoch_cyc = cyc;
+ raw_local_irq_restore(flags);
+ }
+
+diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c
+index df74518..ab1017b 100644
+--- a/arch/arm/kernel/swp_emulate.c
++++ b/arch/arm/kernel/swp_emulate.c
+@@ -109,10 +109,12 @@ static void set_segfault(struct pt_regs *regs, unsigned long addr)
+ {
+ siginfo_t info;
+
++ down_read(&current->mm->mmap_sem);
+ if (find_vma(current->mm, addr) == NULL)
+ info.si_code = SEGV_MAPERR;
+ else
+ info.si_code = SEGV_ACCERR;
++ up_read(&current->mm->mmap_sem);
+
+ info.si_signo = SIGSEGV;
+ info.si_errno = 0;
+diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
+index bd0e88c..c2ff99c 100644
+--- a/arch/arm/mach-at91/setup.c
++++ b/arch/arm/mach-at91/setup.c
+@@ -104,6 +104,8 @@ static void __init soc_detect(u32 dbgu_base)
+ switch (socid) {
+ case ARCH_ID_AT91RM9200:
+ at91_soc_initdata.type = AT91_SOC_RM9200;
++ if (at91_soc_initdata.subtype == AT91_SOC_SUBTYPE_NONE)
++ at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;
+ at91_boot_soc = at91rm9200_soc;
+ break;
+
+diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
+index a611ad3..b6132aa 100644
+--- a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
++++ b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
+@@ -463,6 +463,9 @@
+ GPIO76_LCD_PCLK, \
+ GPIO77_LCD_BIAS
+
++/* these enable a work-around for a hw bug in pxa27x during ac97 warm reset */
++#define GPIO113_AC97_nRESET_GPIO_HIGH MFP_CFG_OUT(GPIO113, AF0, DEFAULT)
++#define GPIO95_AC97_nRESET_GPIO_HIGH MFP_CFG_OUT(GPIO95, AF0, DEFAULT)
+
+ extern int keypad_set_wake(unsigned int on);
+ #endif /* __ASM_ARCH_MFP_PXA27X_H */
+diff --git a/arch/arm/mach-pxa/include/mach/smemc.h b/arch/arm/mach-pxa/include/mach/smemc.h
+index b7de471..b802f28 100644
+--- a/arch/arm/mach-pxa/include/mach/smemc.h
++++ b/arch/arm/mach-pxa/include/mach/smemc.h
+@@ -37,6 +37,7 @@
+ #define CSADRCFG1 (SMEMC_VIRT + 0x84) /* Address Configuration Register for CS1 */
+ #define CSADRCFG2 (SMEMC_VIRT + 0x88) /* Address Configuration Register for CS2 */
+ #define CSADRCFG3 (SMEMC_VIRT + 0x8C) /* Address Configuration Register for CS3 */
++#define CSMSADRCFG (SMEMC_VIRT + 0xA0) /* Chip Select Configuration Register */
+
+ /*
+ * More handy macros for PCMCIA
+diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
+index 4726c24..a2fe795 100644
+--- a/arch/arm/mach-pxa/pxa27x.c
++++ b/arch/arm/mach-pxa/pxa27x.c
+@@ -47,9 +47,9 @@ void pxa27x_clear_otgph(void)
+ EXPORT_SYMBOL(pxa27x_clear_otgph);
+
+ static unsigned long ac97_reset_config[] = {
+- GPIO113_GPIO,
++ GPIO113_AC97_nRESET_GPIO_HIGH,
+ GPIO113_AC97_nRESET,
+- GPIO95_GPIO,
++ GPIO95_AC97_nRESET_GPIO_HIGH,
+ GPIO95_AC97_nRESET,
+ };
+
+diff --git a/arch/arm/mach-pxa/smemc.c b/arch/arm/mach-pxa/smemc.c
+index 7992305..f38aa89 100644
+--- a/arch/arm/mach-pxa/smemc.c
++++ b/arch/arm/mach-pxa/smemc.c
+@@ -40,6 +40,8 @@ static void pxa3xx_smemc_resume(void)
+ __raw_writel(csadrcfg[1], CSADRCFG1);
+ __raw_writel(csadrcfg[2], CSADRCFG2);
+ __raw_writel(csadrcfg[3], CSADRCFG3);
++ /* CSMSADRCFG wakes up in its default state (0), so we need to set it */
++ __raw_writel(0x2, CSMSADRCFG);
+ }
+
+ static struct syscore_ops smemc_syscore_ops = {
+@@ -49,8 +51,19 @@ static struct syscore_ops smemc_syscore_ops = {
+
+ static int __init smemc_init(void)
+ {
+- if (cpu_is_pxa3xx())
++ if (cpu_is_pxa3xx()) {
++ /*
++ * The only documentation we have on the
++ * Chip Select Configuration Register (CSMSADRCFG) is that
++ * it must be programmed to 0x2.
++ * Moreover, in the bit definitions, the second bit
++ * (CSMSADRCFG[1]) is called "SETALWAYS".
++ * Other bits are reserved in this register.
++ */
++ __raw_writel(0x2, CSMSADRCFG);
++
+ register_syscore_ops(&smemc_syscore_ops);
++ }
+
+ return 0;
+ }
+diff --git a/arch/arm/mach-realview/include/mach/board-eb.h b/arch/arm/mach-realview/include/mach/board-eb.h
+index 124bce6..a301e61 100644
+--- a/arch/arm/mach-realview/include/mach/board-eb.h
++++ b/arch/arm/mach-realview/include/mach/board-eb.h
+@@ -47,7 +47,7 @@
+ #define REALVIEW_EB_USB_BASE 0x4F000000 /* USB */
+
+ #ifdef CONFIG_REALVIEW_EB_ARM11MP_REVB
+-#define REALVIEW_EB11MP_PRIV_MEM_BASE 0x1F000000
++#define REALVIEW_EB11MP_PRIV_MEM_BASE 0x10100000
+ #define REALVIEW_EB11MP_L220_BASE 0x10102000 /* L220 registers */
+ #define REALVIEW_EB11MP_SYS_PLD_CTRL1 0xD8 /* Register offset for MPCore sysctl */
+ #else
+diff --git a/arch/arm/mach-s3c24xx/include/mach/debug-macro.S b/arch/arm/mach-s3c24xx/include/mach/debug-macro.S
+index 4135de8..13ed33c 100644
+--- a/arch/arm/mach-s3c24xx/include/mach/debug-macro.S
++++ b/arch/arm/mach-s3c24xx/include/mach/debug-macro.S
+@@ -40,17 +40,17 @@
+ addeq \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART)
+ addne \rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART)
+ bic \rd, \rd, #0xff000
+- ldr \rd, [ \rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0) ]
++ ldr \rd, [\rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0)]
+ and \rd, \rd, #0x00ff0000
+ teq \rd, #0x00440000 @ is it 2440?
+ 1004:
+- ldr \rd, [ \rx, # S3C2410_UFSTAT ]
++ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ moveq \rd, \rd, lsr #SHIFT_2440TXF
+ tst \rd, #S3C2410_UFSTAT_TXFULL
+ .endm
+
+ .macro fifo_full_s3c2410 rd, rx
+- ldr \rd, [ \rx, # S3C2410_UFSTAT ]
++ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ tst \rd, #S3C2410_UFSTAT_TXFULL
+ .endm
+
+@@ -68,18 +68,18 @@
+ addeq \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART)
+ addne \rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART)
+ bic \rd, \rd, #0xff000
+- ldr \rd, [ \rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0) ]
++ ldr \rd, [\rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0)]
+ and \rd, \rd, #0x00ff0000
+ teq \rd, #0x00440000 @ is it 2440?
+
+ 10000:
+- ldr \rd, [ \rx, # S3C2410_UFSTAT ]
++ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ andne \rd, \rd, #S3C2410_UFSTAT_TXMASK
+ andeq \rd, \rd, #S3C2440_UFSTAT_TXMASK
+ .endm
+
+ .macro fifo_level_s3c2410 rd, rx
+- ldr \rd, [ \rx, # S3C2410_UFSTAT ]
++ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ and \rd, \rd, #S3C2410_UFSTAT_TXMASK
+ .endm
+
+diff --git a/arch/arm/mach-s3c24xx/include/mach/entry-macro.S b/arch/arm/mach-s3c24xx/include/mach/entry-macro.S
+index 7615a14..6a21bee 100644
+--- a/arch/arm/mach-s3c24xx/include/mach/entry-macro.S
++++ b/arch/arm/mach-s3c24xx/include/mach/entry-macro.S
+@@ -31,10 +31,10 @@
+
+ @@ try the interrupt offset register, since it is there
+
+- ldr \irqstat, [ \base, #INTPND ]
++ ldr \irqstat, [\base, #INTPND ]
+ teq \irqstat, #0
+ beq 1002f
+- ldr \irqnr, [ \base, #INTOFFSET ]
++ ldr \irqnr, [\base, #INTOFFSET ]
+ mov \tmp, #1
+ tst \irqstat, \tmp, lsl \irqnr
+ bne 1001f
+diff --git a/arch/arm/mach-s3c24xx/pm-h1940.S b/arch/arm/mach-s3c24xx/pm-h1940.S
+index c93bf2d..6183a68 100644
+--- a/arch/arm/mach-s3c24xx/pm-h1940.S
++++ b/arch/arm/mach-s3c24xx/pm-h1940.S
+@@ -30,4 +30,4 @@
+
+ h1940_pm_return:
+ mov r0, #S3C2410_PA_GPIO
+- ldr pc, [ r0, #S3C2410_GSTATUS3 - S3C24XX_VA_GPIO ]
++ ldr pc, [r0, #S3C2410_GSTATUS3 - S3C24XX_VA_GPIO]
+diff --git a/arch/arm/mach-s3c24xx/sleep-s3c2410.S b/arch/arm/mach-s3c24xx/sleep-s3c2410.S
+index dd5b638..65200ae 100644
+--- a/arch/arm/mach-s3c24xx/sleep-s3c2410.S
++++ b/arch/arm/mach-s3c24xx/sleep-s3c2410.S
+@@ -45,9 +45,9 @@ ENTRY(s3c2410_cpu_suspend)
+ ldr r4, =S3C2410_REFRESH
+ ldr r5, =S3C24XX_MISCCR
+ ldr r6, =S3C2410_CLKCON
+- ldr r7, [ r4 ] @ get REFRESH (and ensure in TLB)
+- ldr r8, [ r5 ] @ get MISCCR (and ensure in TLB)
+- ldr r9, [ r6 ] @ get CLKCON (and ensure in TLB)
++ ldr r7, [r4] @ get REFRESH (and ensure in TLB)
++ ldr r8, [r5] @ get MISCCR (and ensure in TLB)
++ ldr r9, [r6] @ get CLKCON (and ensure in TLB)
+
+ orr r7, r7, #S3C2410_REFRESH_SELF @ SDRAM sleep command
+ orr r8, r8, #S3C2410_MISCCR_SDSLEEP @ SDRAM power-down signals
+@@ -61,8 +61,8 @@ ENTRY(s3c2410_cpu_suspend)
+ @@ align next bit of code to cache line
+ .align 5
+ s3c2410_do_sleep:
+- streq r7, [ r4 ] @ SDRAM sleep command
+- streq r8, [ r5 ] @ SDRAM power-down config
+- streq r9, [ r6 ] @ CPU sleep
++ streq r7, [r4] @ SDRAM sleep command
++ streq r8, [r5] @ SDRAM power-down config
++ streq r9, [r6] @ CPU sleep
+ 1: beq 1b
+ mov pc, r14
+diff --git a/arch/arm/mach-s3c24xx/sleep-s3c2412.S b/arch/arm/mach-s3c24xx/sleep-s3c2412.S
+index c82418e..5adaceb 100644
+--- a/arch/arm/mach-s3c24xx/sleep-s3c2412.S
++++ b/arch/arm/mach-s3c24xx/sleep-s3c2412.S
+@@ -57,12 +57,12 @@ s3c2412_sleep_enter1:
+ * retry, as simply returning causes the system to lock.
+ */
+
+- ldrne r9, [ r1 ]
+- strne r9, [ r1 ]
+- ldrne r9, [ r2 ]
+- strne r9, [ r2 ]
+- ldrne r9, [ r3 ]
+- strne r9, [ r3 ]
++ ldrne r9, [r1]
++ strne r9, [r1]
++ ldrne r9, [r2]
++ strne r9, [r2]
++ ldrne r9, [r3]
++ strne r9, [r3]
+ bne s3c2412_sleep_enter1
+
+ mov pc, r14
+diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
+index 13f555d..357fc03 100644
+--- a/arch/arm/mm/dma-mapping.c
++++ b/arch/arm/mm/dma-mapping.c
+@@ -729,25 +729,27 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset,
+ size_t size, enum dma_data_direction dir,
+ void (*op)(const void *, size_t, int))
+ {
++ unsigned long pfn;
++ size_t left = size;
++
++ pfn = page_to_pfn(page) + offset / PAGE_SIZE;
++ offset %= PAGE_SIZE;
++
+ /*
+ * A single sg entry may refer to multiple physically contiguous
+ * pages. But we still need to process highmem pages individually.
+ * If highmem is not configured then the bulk of this loop gets
+ * optimized out.
+ */
+- size_t left = size;
+ do {
+ size_t len = left;
+ void *vaddr;
+
++ page = pfn_to_page(pfn);
++
+ if (PageHighMem(page)) {
+- if (len + offset > PAGE_SIZE) {
+- if (offset >= PAGE_SIZE) {
+- page += offset / PAGE_SIZE;
+- offset %= PAGE_SIZE;
+- }
++ if (len + offset > PAGE_SIZE)
+ len = PAGE_SIZE - offset;
+- }
+ vaddr = kmap_high_get(page);
+ if (vaddr) {
+ vaddr += offset;
+@@ -764,7 +766,7 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset,
+ op(vaddr, len, dir);
+ }
+ offset = 0;
+- page++;
++ pfn++;
+ left -= len;
+ } while (left);
+ }
+diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
+index c2fa21d..b68b531 100644
+--- a/arch/arm/mm/mmu.c
++++ b/arch/arm/mm/mmu.c
+@@ -498,7 +498,7 @@ static void __init build_mem_type_table(void)
+ #endif
+
+ for (i = 0; i < 16; i++) {
+- unsigned long v = pgprot_val(protection_map[i]);
++ pteval_t v = pgprot_val(protection_map[i]);
+ protection_map[i] = __pgprot(v | user_pgprot);
+ }
+
+diff --git a/arch/arm/plat-samsung/include/plat/debug-macro.S b/arch/arm/plat-samsung/include/plat/debug-macro.S
+index 207e275..f3a9cff 100644
+--- a/arch/arm/plat-samsung/include/plat/debug-macro.S
++++ b/arch/arm/plat-samsung/include/plat/debug-macro.S
+@@ -14,12 +14,12 @@
+ /* The S5PV210/S5PC110 implementations are as belows. */
+
+ .macro fifo_level_s5pv210 rd, rx
+- ldr \rd, [ \rx, # S3C2410_UFSTAT ]
++ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ and \rd, \rd, #S5PV210_UFSTAT_TXMASK
+ .endm
+
+ .macro fifo_full_s5pv210 rd, rx
+- ldr \rd, [ \rx, # S3C2410_UFSTAT ]
++ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ tst \rd, #S5PV210_UFSTAT_TXFULL
+ .endm
+
+@@ -27,7 +27,7 @@
+ * most widely re-used */
+
+ .macro fifo_level_s3c2440 rd, rx
+- ldr \rd, [ \rx, # S3C2410_UFSTAT ]
++ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ and \rd, \rd, #S3C2440_UFSTAT_TXMASK
+ .endm
+
+@@ -36,7 +36,7 @@
+ #endif
+
+ .macro fifo_full_s3c2440 rd, rx
+- ldr \rd, [ \rx, # S3C2410_UFSTAT ]
++ ldr \rd, [\rx, # S3C2410_UFSTAT]
+ tst \rd, #S3C2440_UFSTAT_TXFULL
+ .endm
+
+@@ -45,11 +45,11 @@
+ #endif
+
+ .macro senduart,rd,rx
+- strb \rd, [\rx, # S3C2410_UTXH ]
++ strb \rd, [\rx, # S3C2410_UTXH]
+ .endm
+
+ .macro busyuart, rd, rx
+- ldr \rd, [ \rx, # S3C2410_UFCON ]
++ ldr \rd, [\rx, # S3C2410_UFCON]
+ tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
+ beq 1001f @
+ @ FIFO enabled...
+@@ -60,7 +60,7 @@
+
+ 1001:
+ @ busy waiting for non fifo
+- ldr \rd, [ \rx, # S3C2410_UTRSTAT ]
++ ldr \rd, [\rx, # S3C2410_UTRSTAT]
+ tst \rd, #S3C2410_UTRSTAT_TXFE
+ beq 1001b
+
+@@ -68,7 +68,7 @@
+ .endm
+
+ .macro waituart,rd,rx
+- ldr \rd, [ \rx, # S3C2410_UFCON ]
++ ldr \rd, [\rx, # S3C2410_UFCON]
+ tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
+ beq 1001f @
+ @ FIFO enabled...
+@@ -79,7 +79,7 @@
+ b 1002f
+ 1001:
+ @ idle waiting for non fifo
+- ldr \rd, [ \rx, # S3C2410_UTRSTAT ]
++ ldr \rd, [\rx, # S3C2410_UTRSTAT]
+ tst \rd, #S3C2410_UTRSTAT_TXFE
+ beq 1001b
+
+diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S
+index cc926c9..323ce1a 100644
+--- a/arch/arm/vfp/entry.S
++++ b/arch/arm/vfp/entry.S
+@@ -22,7 +22,7 @@
+ @ IRQs disabled.
+ @
+ ENTRY(do_vfp)
+-#ifdef CONFIG_PREEMPT
++#ifdef CONFIG_PREEMPT_COUNT
+ ldr r4, [r10, #TI_PREEMPT] @ get preempt count
+ add r11, r4, #1 @ increment it
+ str r11, [r10, #TI_PREEMPT]
+@@ -35,7 +35,7 @@ ENTRY(do_vfp)
+ ENDPROC(do_vfp)
+
+ ENTRY(vfp_null_entry)
+-#ifdef CONFIG_PREEMPT
++#ifdef CONFIG_PREEMPT_COUNT
+ get_thread_info r10
+ ldr r4, [r10, #TI_PREEMPT] @ get preempt count
+ sub r11, r4, #1 @ decrement it
+@@ -53,7 +53,7 @@ ENDPROC(vfp_null_entry)
+
+ __INIT
+ ENTRY(vfp_testing_entry)
+-#ifdef CONFIG_PREEMPT
++#ifdef CONFIG_PREEMPT_COUNT
+ get_thread_info r10
+ ldr r4, [r10, #TI_PREEMPT] @ get preempt count
+ sub r11, r4, #1 @ decrement it
+diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
+index ea0349f..dd5e56f 100644
+--- a/arch/arm/vfp/vfphw.S
++++ b/arch/arm/vfp/vfphw.S
+@@ -168,7 +168,7 @@ vfp_hw_state_valid:
+ @ else it's one 32-bit instruction, so
+ @ always subtract 4 from the following
+ @ instruction address.
+-#ifdef CONFIG_PREEMPT
++#ifdef CONFIG_PREEMPT_COUNT
+ get_thread_info r10
+ ldr r4, [r10, #TI_PREEMPT] @ get preempt count
+ sub r11, r4, #1 @ decrement it
+@@ -192,7 +192,7 @@ look_for_VFP_exceptions:
+ @ not recognised by VFP
+
+ DBGSTR "not VFP"
+-#ifdef CONFIG_PREEMPT
++#ifdef CONFIG_PREEMPT_COUNT
+ get_thread_info r10
+ ldr r4, [r10, #TI_PREEMPT] @ get preempt count
+ sub r11, r4, #1 @ decrement it
+diff --git a/arch/cris/include/asm/io.h b/arch/cris/include/asm/io.h
+index 32567bc..ac12ae2 100644
+--- a/arch/cris/include/asm/io.h
++++ b/arch/cris/include/asm/io.h
+@@ -133,12 +133,39 @@ static inline void writel(unsigned int b, volatile void __iomem *addr)
+ #define insb(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,1,count) : 0)
+ #define insw(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,2,count) : 0)
+ #define insl(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,4,count) : 0)
+-#define outb(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,1,1)
+-#define outw(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,2,1)
+-#define outl(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,4,1)
+-#define outsb(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,1,count)
+-#define outsw(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,2,count)
+-#define outsl(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,3,count)
++static inline void outb(unsigned char data, unsigned int port)
++{
++ if (cris_iops)
++ cris_iops->write_io(port, (void *) &data, 1, 1);
++}
++static inline void outw(unsigned short data, unsigned int port)
++{
++ if (cris_iops)
++ cris_iops->write_io(port, (void *) &data, 2, 1);
++}
++static inline void outl(unsigned int data, unsigned int port)
++{
++ if (cris_iops)
++ cris_iops->write_io(port, (void *) &data, 4, 1);
++}
++static inline void outsb(unsigned int port, const void *addr,
++ unsigned long count)
++{
++ if (cris_iops)
++ cris_iops->write_io(port, (void *)addr, 1, count);
++}
++static inline void outsw(unsigned int port, const void *addr,
++ unsigned long count)
++{
++ if (cris_iops)
++ cris_iops->write_io(port, (void *)addr, 2, count);
++}
++static inline void outsl(unsigned int port, const void *addr,
++ unsigned long count)
++{
++ if (cris_iops)
++ cris_iops->write_io(port, (void *)addr, 4, count);
++}
+
+ /*
+ * Convert a physical pointer to a virtual kernel pointer for /dev/mem
+diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
+index e9a5fd7..69b17a9 100644
+--- a/arch/mips/kernel/process.c
++++ b/arch/mips/kernel/process.c
+@@ -72,9 +72,7 @@ void __noreturn cpu_idle(void)
+ }
+ }
+ #ifdef CONFIG_HOTPLUG_CPU
+- if (!cpu_online(cpu) && !cpu_isset(cpu, cpu_callin_map) &&
+- (system_state == SYSTEM_RUNNING ||
+- system_state == SYSTEM_BOOTING))
++ if (!cpu_online(cpu) && !cpu_isset(cpu, cpu_callin_map))
+ play_dead();
+ #endif
+ rcu_idle_exit();
+diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
+index ee99f23..7df49fa 100644
+--- a/arch/parisc/include/asm/pgtable.h
++++ b/arch/parisc/include/asm/pgtable.h
+@@ -12,11 +12,10 @@
+
+ #include <linux/bitops.h>
+ #include <linux/spinlock.h>
++#include <linux/mm_types.h>
+ #include <asm/processor.h>
+ #include <asm/cache.h>
+
+-struct vm_area_struct;
+-
+ /*
+ * kern_addr_valid(ADDR) tests if ADDR is pointing to valid kernel
+ * memory. For the return value to be meaningful, ADDR must be >=
+@@ -40,7 +39,14 @@ struct vm_area_struct;
+ do{ \
+ *(pteptr) = (pteval); \
+ } while(0)
+-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
++
++extern void purge_tlb_entries(struct mm_struct *, unsigned long);
++
++#define set_pte_at(mm, addr, ptep, pteval) \
++ do { \
++ set_pte(ptep, pteval); \
++ purge_tlb_entries(mm, addr); \
++ } while (0)
+
+ #endif /* !__ASSEMBLY__ */
+
+@@ -466,6 +472,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
+ old = pte_val(*ptep);
+ new = pte_val(pte_wrprotect(__pte (old)));
+ } while (cmpxchg((unsigned long *) ptep, old, new) != old);
++ purge_tlb_entries(mm, addr);
+ #else
+ pte_t old_pte = *ptep;
+ set_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
+diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
+index 9d18189..fa21463 100644
+--- a/arch/parisc/kernel/cache.c
++++ b/arch/parisc/kernel/cache.c
+@@ -420,6 +420,24 @@ void kunmap_parisc(void *addr)
+ EXPORT_SYMBOL(kunmap_parisc);
+ #endif
+
++void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
++{
++ unsigned long flags;
++
++ /* Note: purge_tlb_entries can be called at startup with
++ no context. */
++
++ /* Disable preemption while we play with %sr1. */
++ preempt_disable();
++ mtsp(mm->context, 1);
++ purge_tlb_start(flags);
++ pdtlb(addr);
++ pitlb(addr);
++ purge_tlb_end(flags);
++ preempt_enable();
++}
++EXPORT_SYMBOL(purge_tlb_entries);
++
+ void __flush_tlb_range(unsigned long sid, unsigned long start,
+ unsigned long end)
+ {
+diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
+index 58bddee..9e07bd0 100644
+--- a/arch/powerpc/kernel/head_64.S
++++ b/arch/powerpc/kernel/head_64.S
+@@ -422,7 +422,7 @@ _STATIC(__after_prom_start)
+ tovirt(r6,r6) /* on booke, we already run at PAGE_OFFSET */
+ #endif
+
+-#ifdef CONFIG_CRASH_DUMP
++#ifdef CONFIG_RELOCATABLE
+ /*
+ * Check if the kernel has to be running as relocatable kernel based on the
+ * variable __run_at_load, if it is set the kernel is treated as relocatable
+diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
+index d7f6090..39833e0 100644
+--- a/arch/powerpc/kernel/machine_kexec_64.c
++++ b/arch/powerpc/kernel/machine_kexec_64.c
+@@ -162,6 +162,8 @@ static int kexec_all_irq_disabled = 0;
+ static void kexec_smp_down(void *arg)
+ {
+ local_irq_disable();
++ hard_irq_disable();
++
+ mb(); /* make sure our irqs are disabled before we say they are */
+ get_paca()->kexec_state = KEXEC_STATE_IRQS_OFF;
+ while(kexec_all_irq_disabled == 0)
+@@ -244,6 +246,8 @@ static void kexec_prepare_cpus(void)
+ wake_offline_cpus();
+ smp_call_function(kexec_smp_down, NULL, /* wait */0);
+ local_irq_disable();
++ hard_irq_disable();
++
+ mb(); /* make sure IRQs are disabled before we say they are */
+ get_paca()->kexec_state = KEXEC_STATE_IRQS_OFF;
+
+@@ -281,6 +285,7 @@ static void kexec_prepare_cpus(void)
+ if (ppc_md.kexec_cpu_down)
+ ppc_md.kexec_cpu_down(0, 0);
+ local_irq_disable();
++ hard_irq_disable();
+ }
+
+ #endif /* SMP */
+diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
+index e49e931..5395666 100644
+--- a/arch/powerpc/kernel/time.c
++++ b/arch/powerpc/kernel/time.c
+@@ -759,13 +759,8 @@ void update_vsyscall(struct timespec *wall_time, struct timespec *wtm,
+
+ void update_vsyscall_tz(void)
+ {
+- /* Make userspace gettimeofday spin until we're done. */
+- ++vdso_data->tb_update_count;
+- smp_mb();
+ vdso_data->tz_minuteswest = sys_tz.tz_minuteswest;
+ vdso_data->tz_dsttime = sys_tz.tz_dsttime;
+- smp_mb();
+- ++vdso_data->tb_update_count;
+ }
+
+ static void __init clocksource_init(void)
+diff --git a/arch/powerpc/kvm/44x_emulate.c b/arch/powerpc/kvm/44x_emulate.c
+index c8c6157..c39cd0b 100644
+--- a/arch/powerpc/kvm/44x_emulate.c
++++ b/arch/powerpc/kvm/44x_emulate.c
+@@ -76,6 +76,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
+ run->dcr.dcrn = dcrn;
+ run->dcr.data = 0;
+ run->dcr.is_write = 0;
++ vcpu->arch.dcr_is_write = 0;
+ vcpu->arch.io_gpr = rt;
+ vcpu->arch.dcr_needed = 1;
+ kvmppc_account_exit(vcpu, DCR_EXITS);
+@@ -94,6 +95,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
+ run->dcr.dcrn = dcrn;
+ run->dcr.data = kvmppc_get_gpr(vcpu, rs);
+ run->dcr.is_write = 1;
++ vcpu->arch.dcr_is_write = 1;
+ vcpu->arch.dcr_needed = 1;
+ kvmppc_account_exit(vcpu, DCR_EXITS);
+ emulated = EMULATE_DO_DCR;
+diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c
+index 9761206..f0eee75 100644
+--- a/arch/powerpc/platforms/40x/ppc40x_simple.c
++++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
+@@ -57,7 +57,8 @@ static const char *board[] __initdata = {
+ "amcc,makalu",
+ "apm,klondike",
+ "est,hotfoot",
+- "plathome,obs600"
++ "plathome,obs600",
++ NULL
+ };
+
+ static int __init ppc40x_probe(void)
+diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
+index fba4d66..4c060bb 100644
+--- a/arch/s390/include/asm/timex.h
++++ b/arch/s390/include/asm/timex.h
+@@ -128,4 +128,32 @@ static inline unsigned long long get_clock_monotonic(void)
+ return get_clock_xt() - sched_clock_base_cc;
+ }
+
++/**
++ * tod_to_ns - convert a TOD format value to nanoseconds
++ * @todval: to be converted TOD format value
++ * Returns: number of nanoseconds that correspond to the TOD format value
++ *
++ * Converting a 64 Bit TOD format value to nanoseconds means that the value
++ * must be divided by 4.096. In order to achieve that we multiply with 125
++ * and divide by 512:
++ *
++ * ns = (todval * 125) >> 9;
++ *
++ * In order to avoid an overflow with the multiplication we can rewrite this.
++ * With a split todval == 2^32 * th + tl (th upper 32 bits, tl lower 32 bits)
++ * we end up with
++ *
++ * ns = ((2^32 * th + tl) * 125 ) >> 9;
++ * -> ns = (2^23 * th * 125) + ((tl * 125) >> 9);
++ *
++ */
++static inline unsigned long long tod_to_ns(unsigned long long todval)
++{
++ unsigned long long ns;
++
++ ns = ((todval >> 32) << 23) * 125;
++ ns += ((todval & 0xffffffff) * 125) >> 9;
++ return ns;
++}
++
+ #endif
+diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
+index dcec960..18c39ad 100644
+--- a/arch/s390/kernel/time.c
++++ b/arch/s390/kernel/time.c
+@@ -63,7 +63,7 @@ static DEFINE_PER_CPU(struct clock_event_device, comparators);
+ */
+ unsigned long long notrace __kprobes sched_clock(void)
+ {
+- return (get_clock_monotonic() * 125) >> 9;
++ return tod_to_ns(get_clock_monotonic());
+ }
+
+ /*
+@@ -120,6 +120,9 @@ static int s390_next_ktime(ktime_t expires,
+ nsecs = ktime_to_ns(ktime_add(timespec_to_ktime(ts), expires));
+ do_div(nsecs, 125);
+ S390_lowcore.clock_comparator = sched_clock_base_cc + (nsecs << 9);
++ /* Program the maximum value if we have an overflow (== year 2042) */
++ if (unlikely(S390_lowcore.clock_comparator < sched_clock_base_cc))
++ S390_lowcore.clock_comparator = -1ULL;
+ set_clock_comparator(S390_lowcore.clock_comparator);
+ return 0;
+ }
+diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
+index b7bc1aa..a80b585 100644
+--- a/arch/s390/kvm/interrupt.c
++++ b/arch/s390/kvm/interrupt.c
+@@ -390,7 +390,7 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu)
+ return 0;
+ }
+
+- sltime = ((vcpu->arch.sie_block->ckc - now)*125)>>9;
++ sltime = tod_to_ns(vcpu->arch.sie_block->ckc - now);
+
+ hrtimer_start(&vcpu->arch.ckc_timer, ktime_set (0, sltime) , HRTIMER_MODE_REL);
+ VCPU_EVENT(vcpu, 5, "enabled wait via clock comparator: %llx ns", sltime);
+diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
+index d470ccb..ef49b98 100644
+--- a/arch/s390/kvm/kvm-s390.c
++++ b/arch/s390/kvm/kvm-s390.c
+@@ -753,6 +753,14 @@ int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu, unsigned long addr)
+ } else
+ prefix = 0;
+
++ /*
++ * The guest FPRS and ACRS are in the host FPRS/ACRS due to the lazy
++ * copying in vcpu load/put. Lets update our copies before we save
++ * it into the save area
++ */
++ save_fp_regs(&vcpu->arch.guest_fpregs);
++ save_access_regs(vcpu->run->s.regs.acrs);
++
+ if (__guestcopy(vcpu, addr + offsetof(struct save_area, fp_regs),
+ vcpu->arch.guest_fpregs.fprs, 128, prefix))
+ return -EFAULT;
+diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
+index f38112b..978b7fd 100644
+--- a/arch/sh/include/asm/elf.h
++++ b/arch/sh/include/asm/elf.h
+@@ -202,9 +202,9 @@ extern void __kernel_vsyscall;
+ if (vdso_enabled) \
+ NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \
+ else \
+- NEW_AUX_ENT(AT_IGNORE, 0);
++ NEW_AUX_ENT(AT_IGNORE, 0)
+ #else
+-#define VSYSCALL_AUX_ENT
++#define VSYSCALL_AUX_ENT NEW_AUX_ENT(AT_IGNORE, 0)
+ #endif /* CONFIG_VSYSCALL */
+
+ #ifdef CONFIG_SH_FPU
+diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
+index 1770610..f368cef 100644
+--- a/arch/sparc/include/asm/hugetlb.h
++++ b/arch/sparc/include/asm/hugetlb.h
+@@ -58,14 +58,20 @@ static inline pte_t huge_pte_wrprotect(pte_t pte)
+ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+ unsigned long addr, pte_t *ptep)
+ {
+- ptep_set_wrprotect(mm, addr, ptep);
++ pte_t old_pte = *ptep;
++ set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
+ }
+
+ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep,
+ pte_t pte, int dirty)
+ {
+- return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
++ int changed = !pte_same(*ptep, pte);
++ if (changed) {
++ set_huge_pte_at(vma->vm_mm, addr, ptep, pte);
++ flush_tlb_page(vma, addr);
++ }
++ return changed;
+ }
+
+ static inline pte_t huge_ptep_get(pte_t *ptep)
+diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
+index 50a1d1f..01897ac 100644
+--- a/arch/x86/Kconfig
++++ b/arch/x86/Kconfig
+@@ -1246,10 +1246,6 @@ config NODES_SHIFT
+ Specify the maximum number of NUMA Nodes available on the target
+ system. Increases memory reserved to accommodate various tables.
+
+-config HAVE_ARCH_ALLOC_REMAP
+- def_bool y
+- depends on X86_32 && NUMA
+-
+ config ARCH_HAVE_MEMORY_PRESENT
+ def_bool y
+ depends on X86_32 && DISCONTIGMEM
+diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
+index 20e5f7b..f6d477a 100644
+--- a/arch/x86/ia32/ia32entry.S
++++ b/arch/x86/ia32/ia32entry.S
+@@ -204,7 +204,7 @@ sysexit_from_sys_call:
+ testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
+ jnz ia32_ret_from_sys_call
+ TRACE_IRQS_ON
+- sti
++ ENABLE_INTERRUPTS(CLBR_NONE)
+ movl %eax,%esi /* second arg, syscall return value */
+ cmpl $-MAX_ERRNO,%eax /* is it an error ? */
+ jbe 1f
+@@ -214,7 +214,7 @@ sysexit_from_sys_call:
+ call __audit_syscall_exit
+ movq RAX-ARGOFFSET(%rsp),%rax /* reload syscall return value */
+ movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
+- cli
++ DISABLE_INTERRUPTS(CLBR_NONE)
+ TRACE_IRQS_OFF
+ testl %edi,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
+ jz \exit
+diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
+index 029189d..da37433 100644
+--- a/arch/x86/include/asm/efi.h
++++ b/arch/x86/include/asm/efi.h
+@@ -94,6 +94,7 @@ extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
+ #endif /* CONFIG_X86_32 */
+
+ extern int add_efi_memmap;
++extern unsigned long x86_efi_facility;
+ extern void efi_set_executable(efi_memory_desc_t *md, bool executable);
+ extern int efi_memblock_x86_reserve_range(void);
+ extern void efi_call_phys_prelog(void);
+diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h
+index eb05fb3..8a9b3e2 100644
+--- a/arch/x86/include/asm/mmzone_32.h
++++ b/arch/x86/include/asm/mmzone_32.h
+@@ -14,12 +14,6 @@ extern struct pglist_data *node_data[];
+
+ #include <asm/numaq.h>
+
+-extern void resume_map_numa_kva(pgd_t *pgd);
+-
+-#else /* !CONFIG_NUMA */
+-
+-static inline void resume_map_numa_kva(pgd_t *pgd) {}
+-
+ #endif /* CONFIG_NUMA */
+
+ #ifdef CONFIG_DISCONTIGMEM
+diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
+index c3520d7..3f3dd52 100644
+--- a/arch/x86/include/asm/pgtable.h
++++ b/arch/x86/include/asm/pgtable.h
+@@ -142,6 +142,11 @@ static inline unsigned long pmd_pfn(pmd_t pmd)
+ return (pmd_val(pmd) & PTE_PFN_MASK) >> PAGE_SHIFT;
+ }
+
++static inline unsigned long pud_pfn(pud_t pud)
++{
++ return (pud_val(pud) & PTE_PFN_MASK) >> PAGE_SHIFT;
++}
++
+ #define pte_page(pte) pfn_to_page(pte_pfn(pte))
+
+ static inline int pmd_large(pmd_t pte)
+diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
+index e03a1e1..562a76d 100644
+--- a/arch/x86/kernel/apic/x2apic_phys.c
++++ b/arch/x86/kernel/apic/x2apic_phys.c
+@@ -20,18 +20,19 @@ static int set_x2apic_phys_mode(char *arg)
+ }
+ early_param("x2apic_phys", set_x2apic_phys_mode);
+
+-static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
++static bool x2apic_fadt_phys(void)
+ {
+- if (x2apic_phys)
+- return x2apic_enabled();
+- else if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
+- (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL) &&
+- x2apic_enabled()) {
++ if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
++ (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) {
+ printk(KERN_DEBUG "System requires x2apic physical mode\n");
+- return 1;
++ return true;
+ }
+- else
+- return 0;
++ return false;
++}
++
++static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
++{
++ return x2apic_enabled() && (x2apic_phys || x2apic_fadt_phys());
+ }
+
+ static void
+@@ -82,7 +83,7 @@ static void init_x2apic_ldr(void)
+
+ static int x2apic_phys_probe(void)
+ {
+- if (x2apic_mode && x2apic_phys)
++ if (x2apic_mode && (x2apic_phys || x2apic_fadt_phys()))
+ return 1;
+
+ return apic == &apic_x2apic_phys;
+diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
+index 0a630dd..646d192 100644
+--- a/arch/x86/kernel/cpu/mshyperv.c
++++ b/arch/x86/kernel/cpu/mshyperv.c
+@@ -68,7 +68,8 @@ static void __init ms_hyperv_init_platform(void)
+ printk(KERN_INFO "HyperV: features 0x%x, hints 0x%x\n",
+ ms_hyperv.features, ms_hyperv.hints);
+
+- clocksource_register_hz(&hyperv_cs, NSEC_PER_SEC/100);
++ if (ms_hyperv.features & HV_X64_MSR_TIME_REF_COUNT_AVAILABLE)
++ clocksource_register_hz(&hyperv_cs, NSEC_PER_SEC/100);
+ }
+
+ const __refconst struct hypervisor_x86 x86_hyper_ms_hyperv = {
+diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
+index 8f8e8ee..2a6919e 100644
+--- a/arch/x86/kernel/entry_32.S
++++ b/arch/x86/kernel/entry_32.S
+@@ -1065,7 +1065,6 @@ ENTRY(xen_failsafe_callback)
+ lea 16(%esp),%esp
+ CFI_ADJUST_CFA_OFFSET -16
+ jz 5f
+- addl $16,%esp
+ jmp iret_exc
+ 5: pushl_cfi $-1 /* orig_ax = -1 => not a system call */
+ SAVE_ALL
+diff --git a/arch/x86/kernel/head.c b/arch/x86/kernel/head.c
+index 48d9d4e..992f442 100644
+--- a/arch/x86/kernel/head.c
++++ b/arch/x86/kernel/head.c
+@@ -5,8 +5,6 @@
+ #include <asm/setup.h>
+ #include <asm/bios_ebda.h>
+
+-#define BIOS_LOWMEM_KILOBYTES 0x413
+-
+ /*
+ * The BIOS places the EBDA/XBDA at the top of conventional
+ * memory, and usually decreases the reported amount of
+@@ -16,17 +14,30 @@
+ * chipset: reserve a page before VGA to prevent PCI prefetch
+ * into it (errata #56). Usually the page is reserved anyways,
+ * unless you have no PS/2 mouse plugged in.
++ *
++ * This functions is deliberately very conservative. Losing
++ * memory in the bottom megabyte is rarely a problem, as long
++ * as we have enough memory to install the trampoline. Using
++ * memory that is in use by the BIOS or by some DMA device
++ * the BIOS didn't shut down *is* a big problem.
+ */
++
++#define BIOS_LOWMEM_KILOBYTES 0x413
++#define LOWMEM_CAP 0x9f000U /* Absolute maximum */
++#define INSANE_CUTOFF 0x20000U /* Less than this = insane */
++
+ void __init reserve_ebda_region(void)
+ {
+ unsigned int lowmem, ebda_addr;
+
+- /* To determine the position of the EBDA and the */
+- /* end of conventional memory, we need to look at */
+- /* the BIOS data area. In a paravirtual environment */
+- /* that area is absent. We'll just have to assume */
+- /* that the paravirt case can handle memory setup */
+- /* correctly, without our help. */
++ /*
++ * To determine the position of the EBDA and the
++ * end of conventional memory, we need to look at
++ * the BIOS data area. In a paravirtual environment
++ * that area is absent. We'll just have to assume
++ * that the paravirt case can handle memory setup
++ * correctly, without our help.
++ */
+ if (paravirt_enabled())
+ return;
+
+@@ -37,19 +48,23 @@ void __init reserve_ebda_region(void)
+ /* start of EBDA area */
+ ebda_addr = get_bios_ebda();
+
+- /* Fixup: bios puts an EBDA in the top 64K segment */
+- /* of conventional memory, but does not adjust lowmem. */
+- if ((lowmem - ebda_addr) <= 0x10000)
+- lowmem = ebda_addr;
++ /*
++ * Note: some old Dells seem to need 4k EBDA without
++ * reporting so, so just consider the memory above 0x9f000
++ * to be off limits (bugzilla 2990).
++ */
++
++ /* If the EBDA address is below 128K, assume it is bogus */
++ if (ebda_addr < INSANE_CUTOFF)
++ ebda_addr = LOWMEM_CAP;
+
+- /* Fixup: bios does not report an EBDA at all. */
+- /* Some old Dells seem to need 4k anyhow (bugzilla 2990) */
+- if ((ebda_addr == 0) && (lowmem >= 0x9f000))
+- lowmem = 0x9f000;
++ /* If lowmem is less than 128K, assume it is bogus */
++ if (lowmem < INSANE_CUTOFF)
++ lowmem = LOWMEM_CAP;
+
+- /* Paranoia: should never happen, but... */
+- if ((lowmem == 0) || (lowmem >= 0x100000))
+- lowmem = 0x9f000;
++ /* Use the lower of the lowmem and EBDA markers as the cutoff */
++ lowmem = min(lowmem, ebda_addr);
++ lowmem = min(lowmem, LOWMEM_CAP); /* Absolute cap */
+
+ /* reserve all memory between lowmem and the 1MB mark */
+ memblock_reserve(lowmem, 0x100000 - lowmem);
+diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
+index eb11369..8563b64 100644
+--- a/arch/x86/kernel/msr.c
++++ b/arch/x86/kernel/msr.c
+@@ -174,6 +174,9 @@ static int msr_open(struct inode *inode, struct file *file)
+ unsigned int cpu;
+ struct cpuinfo_x86 *c;
+
++ if (!capable(CAP_SYS_RAWIO))
++ return -EPERM;
++
+ cpu = iminor(file->f_path.dentry->d_inode);
+ if (cpu >= nr_cpu_ids || !cpu_online(cpu))
+ return -ENXIO; /* No such CPU */
+diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
+index 52190a9..3f20ab4 100644
+--- a/arch/x86/kernel/reboot.c
++++ b/arch/x86/kernel/reboot.c
+@@ -592,7 +592,7 @@ static void native_machine_emergency_restart(void)
+ break;
+
+ case BOOT_EFI:
+- if (efi_enabled)
++ if (efi_enabled(EFI_RUNTIME_SERVICES))
+ efi.reset_system(reboot_mode ?
+ EFI_RESET_WARM :
+ EFI_RESET_COLD,
+diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
+index 5cee802..771ff4d 100644
+--- a/arch/x86/kernel/setup.c
++++ b/arch/x86/kernel/setup.c
+@@ -613,6 +613,83 @@ static __init void reserve_ibft_region(void)
+
+ static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10;
+
++static bool __init snb_gfx_workaround_needed(void)
++{
++#ifdef CONFIG_PCI
++ int i;
++ u16 vendor, devid;
++ static const u16 snb_ids[] = {
++ 0x0102,
++ 0x0112,
++ 0x0122,
++ 0x0106,
++ 0x0116,
++ 0x0126,
++ 0x010a,
++ };
++
++ /* Assume no if something weird is going on with PCI */
++ if (!early_pci_allowed())
++ return false;
++
++ vendor = read_pci_config_16(0, 2, 0, PCI_VENDOR_ID);
++ if (vendor != 0x8086)
++ return false;
++
++ devid = read_pci_config_16(0, 2, 0, PCI_DEVICE_ID);
++ for (i = 0; i < ARRAY_SIZE(snb_ids); i++)
++ if (devid == snb_ids[i])
++ return true;
++#endif
++
++ return false;
++}
++
++/*
++ * Sandy Bridge graphics has trouble with certain ranges, exclude
++ * them from allocation.
++ */
++static void __init trim_snb_memory(void)
++{
++ static const unsigned long bad_pages[] = {
++ 0x20050000,
++ 0x20110000,
++ 0x20130000,
++ 0x20138000,
++ 0x40004000,
++ };
++ int i;
++
++ if (!snb_gfx_workaround_needed())
++ return;
++
++ printk(KERN_DEBUG "reserving inaccessible SNB gfx pages\n");
++
++ /*
++ * Reserve all memory below the 1 MB mark that has not
++ * already been reserved.
++ */
++ memblock_reserve(0, 1<<20);
++
++ for (i = 0; i < ARRAY_SIZE(bad_pages); i++) {
++ if (memblock_reserve(bad_pages[i], PAGE_SIZE))
++ printk(KERN_WARNING "failed to reserve 0x%08lx\n",
++ bad_pages[i]);
++ }
++}
++
++/*
++ * Here we put platform-specific memory range workarounds, i.e.
++ * memory known to be corrupt or otherwise in need to be reserved on
++ * specific platforms.
++ *
++ * If this gets used more widely it could use a real dispatch mechanism.
++ */
++static void __init trim_platform_memory_ranges(void)
++{
++ trim_snb_memory();
++}
++
+ static void __init trim_bios_range(void)
+ {
+ /*
+@@ -633,6 +710,7 @@ static void __init trim_bios_range(void)
+ * take them out.
+ */
+ e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
++
+ sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
+ }
+
+@@ -732,15 +810,15 @@ void __init setup_arch(char **cmdline_p)
+ #ifdef CONFIG_EFI
+ if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
+ "EL32", 4)) {
+- efi_enabled = 1;
+- efi_64bit = false;
++ set_bit(EFI_BOOT, &x86_efi_facility);
+ } else if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
+ "EL64", 4)) {
+- efi_enabled = 1;
+- efi_64bit = true;
++ set_bit(EFI_BOOT, &x86_efi_facility);
++ set_bit(EFI_64BIT, &x86_efi_facility);
+ }
+- if (efi_enabled && efi_memblock_x86_reserve_range())
+- efi_enabled = 0;
++
++ if (efi_enabled(EFI_BOOT))
++ efi_memblock_x86_reserve_range();
+ #endif
+
+ x86_init.oem.arch_setup();
+@@ -813,7 +891,7 @@ void __init setup_arch(char **cmdline_p)
+
+ finish_e820_parsing();
+
+- if (efi_enabled)
++ if (efi_enabled(EFI_BOOT))
+ efi_init();
+
+ dmi_scan_machine();
+@@ -896,7 +974,7 @@ void __init setup_arch(char **cmdline_p)
+ * The EFI specification says that boot service code won't be called
+ * after ExitBootServices(). This is, in fact, a lie.
+ */
+- if (efi_enabled)
++ if (efi_enabled(EFI_MEMMAP))
+ efi_reserve_boot_services();
+
+ /* preallocate 4k for mptable mpc */
+@@ -911,6 +989,8 @@ void __init setup_arch(char **cmdline_p)
+
+ setup_real_mode();
+
++ trim_platform_memory_ranges();
++
+ init_gbpages();
+
+ /* max_pfn_mapped is updated here */
+@@ -1035,7 +1115,7 @@ void __init setup_arch(char **cmdline_p)
+
+ #ifdef CONFIG_VT
+ #if defined(CONFIG_VGA_CONSOLE)
+- if (!efi_enabled || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
++ if (!efi_enabled(EFI_BOOT) || (efi_mem_type(0xa0000) != EFI_CONVENTIONAL_MEMORY))
+ conswitchp = &vga_con;
+ #elif defined(CONFIG_DUMMY_CONSOLE)
+ conswitchp = &dummy_con;
+@@ -1050,14 +1130,14 @@ void __init setup_arch(char **cmdline_p)
+ arch_init_ideal_nops();
+
+ #ifdef CONFIG_EFI
+- /* Once setup is done above, disable efi_enabled on mismatched
+- * firmware/kernel archtectures since there is no support for
+- * runtime services.
++ /* Once setup is done above, unmap the EFI memory map on
++ * mismatched firmware/kernel archtectures since there is no
++ * support for runtime services.
+ */
+- if (efi_enabled && IS_ENABLED(CONFIG_X86_64) != efi_64bit) {
++ if (efi_enabled(EFI_BOOT) &&
++ IS_ENABLED(CONFIG_X86_64) != efi_enabled(EFI_64BIT)) {
+ pr_info("efi: Setup done, disabling due to 32/64-bit mismatch\n");
+ efi_unmap_memmap();
+- efi_enabled = 0;
+ }
+ #endif
+ }
+diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
+index 76dcd9d..c6b10e2 100644
+--- a/arch/x86/mm/fault.c
++++ b/arch/x86/mm/fault.c
+@@ -747,13 +747,15 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
+ return;
+ }
+ #endif
++ /* Kernel addresses are always protection faults: */
++ if (address >= TASK_SIZE)
++ error_code |= PF_PROT;
+
+- if (unlikely(show_unhandled_signals))
++ if (likely(show_unhandled_signals))
+ show_signal_msg(regs, error_code, address, tsk);
+
+- /* Kernel addresses are always protection faults: */
+ tsk->thread.cr2 = address;
+- tsk->thread.error_code = error_code | (address >= TASK_SIZE);
++ tsk->thread.error_code = error_code;
+ tsk->thread.trap_nr = X86_TRAP_PF;
+
+ force_sig_info_fault(SIGSEGV, si_code, address, tsk, 0);
+diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
+index 3baff25..ce42da7 100644
+--- a/arch/x86/mm/init_64.c
++++ b/arch/x86/mm/init_64.c
+@@ -829,6 +829,9 @@ int kern_addr_valid(unsigned long addr)
+ if (pud_none(*pud))
+ return 0;
+
++ if (pud_large(*pud))
++ return pfn_valid(pud_pfn(*pud));
++
+ pmd = pmd_offset(pud, addr);
+ if (pmd_none(*pmd))
+ return 0;
+diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
+index 2d125be..8504f36 100644
+--- a/arch/x86/mm/numa.c
++++ b/arch/x86/mm/numa.c
+@@ -193,7 +193,6 @@ int __init numa_add_memblk(int nid, u64 start, u64 end)
+ static void __init setup_node_data(int nid, u64 start, u64 end)
+ {
+ const size_t nd_size = roundup(sizeof(pg_data_t), PAGE_SIZE);
+- bool remapped = false;
+ u64 nd_pa;
+ void *nd;
+ int tnid;
+@@ -205,37 +204,28 @@ static void __init setup_node_data(int nid, u64 start, u64 end)
+ if (end && (end - start) < NODE_MIN_SIZE)
+ return;
+
+- /* initialize remap allocator before aligning to ZONE_ALIGN */
+- init_alloc_remap(nid, start, end);
+-
+ start = roundup(start, ZONE_ALIGN);
+
+ printk(KERN_INFO "Initmem setup node %d [mem %#010Lx-%#010Lx]\n",
+ nid, start, end - 1);
+
+ /*
+- * Allocate node data. Try remap allocator first, node-local
+- * memory and then any node. Never allocate in DMA zone.
++ * Allocate node data. Try node-local memory and then any node.
++ * Never allocate in DMA zone.
+ */
+- nd = alloc_remap(nid, nd_size);
+- if (nd) {
+- nd_pa = __pa(nd);
+- remapped = true;
+- } else {
+- nd_pa = memblock_alloc_nid(nd_size, SMP_CACHE_BYTES, nid);
+- if (!nd_pa) {
+- pr_err("Cannot find %zu bytes in node %d\n",
+- nd_size, nid);
+- return;
+- }
+- nd = __va(nd_pa);
++ nd_pa = memblock_alloc_nid(nd_size, SMP_CACHE_BYTES, nid);
++ if (!nd_pa) {
++ pr_err("Cannot find %zu bytes in node %d\n",
++ nd_size, nid);
++ return;
+ }
++ nd = __va(nd_pa);
+
+ /* report and initialize */
+- printk(KERN_INFO " NODE_DATA [mem %#010Lx-%#010Lx]%s\n",
+- nd_pa, nd_pa + nd_size - 1, remapped ? " (remapped)" : "");
++ printk(KERN_INFO " NODE_DATA [mem %#010Lx-%#010Lx]\n",
++ nd_pa, nd_pa + nd_size - 1);
+ tnid = early_pfn_to_nid(nd_pa >> PAGE_SHIFT);
+- if (!remapped && tnid != nid)
++ if (tnid != nid)
+ printk(KERN_INFO " NODE_DATA(%d) on node %d\n", nid, tnid);
+
+ node_data[nid] = nd;
+diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
+index 534255a..73a6d73 100644
+--- a/arch/x86/mm/numa_32.c
++++ b/arch/x86/mm/numa_32.c
+@@ -73,167 +73,6 @@ unsigned long node_memmap_size_bytes(int nid, unsigned long start_pfn,
+
+ extern unsigned long highend_pfn, highstart_pfn;
+
+-#define LARGE_PAGE_BYTES (PTRS_PER_PTE * PAGE_SIZE)
+-
+-static void *node_remap_start_vaddr[MAX_NUMNODES];
+-void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
+-
+-/*
+- * Remap memory allocator
+- */
+-static unsigned long node_remap_start_pfn[MAX_NUMNODES];
+-static void *node_remap_end_vaddr[MAX_NUMNODES];
+-static void *node_remap_alloc_vaddr[MAX_NUMNODES];
+-
+-/**
+- * alloc_remap - Allocate remapped memory
+- * @nid: NUMA node to allocate memory from
+- * @size: The size of allocation
+- *
+- * Allocate @size bytes from the remap area of NUMA node @nid. The
+- * size of the remap area is predetermined by init_alloc_remap() and
+- * only the callers considered there should call this function. For
+- * more info, please read the comment on top of init_alloc_remap().
+- *
+- * The caller must be ready to handle allocation failure from this
+- * function and fall back to regular memory allocator in such cases.
+- *
+- * CONTEXT:
+- * Single CPU early boot context.
+- *
+- * RETURNS:
+- * Pointer to the allocated memory on success, %NULL on failure.
+- */
+-void *alloc_remap(int nid, unsigned long size)
+-{
+- void *allocation = node_remap_alloc_vaddr[nid];
+-
+- size = ALIGN(size, L1_CACHE_BYTES);
+-
+- if (!allocation || (allocation + size) > node_remap_end_vaddr[nid])
+- return NULL;
+-
+- node_remap_alloc_vaddr[nid] += size;
+- memset(allocation, 0, size);
+-
+- return allocation;
+-}
+-
+-#ifdef CONFIG_HIBERNATION
+-/**
+- * resume_map_numa_kva - add KVA mapping to the temporary page tables created
+- * during resume from hibernation
+- * @pgd_base - temporary resume page directory
+- */
+-void resume_map_numa_kva(pgd_t *pgd_base)
+-{
+- int node;
+-
+- for_each_online_node(node) {
+- unsigned long start_va, start_pfn, nr_pages, pfn;
+-
+- start_va = (unsigned long)node_remap_start_vaddr[node];
+- start_pfn = node_remap_start_pfn[node];
+- nr_pages = (node_remap_end_vaddr[node] -
+- node_remap_start_vaddr[node]) >> PAGE_SHIFT;
+-
+- printk(KERN_DEBUG "%s: node %d\n", __func__, node);
+-
+- for (pfn = 0; pfn < nr_pages; pfn += PTRS_PER_PTE) {
+- unsigned long vaddr = start_va + (pfn << PAGE_SHIFT);
+- pgd_t *pgd = pgd_base + pgd_index(vaddr);
+- pud_t *pud = pud_offset(pgd, vaddr);
+- pmd_t *pmd = pmd_offset(pud, vaddr);
+-
+- set_pmd(pmd, pfn_pmd(start_pfn + pfn,
+- PAGE_KERNEL_LARGE_EXEC));
+-
+- printk(KERN_DEBUG "%s: %08lx -> pfn %08lx\n",
+- __func__, vaddr, start_pfn + pfn);
+- }
+- }
+-}
+-#endif
+-
+-/**
+- * init_alloc_remap - Initialize remap allocator for a NUMA node
+- * @nid: NUMA node to initizlie remap allocator for
+- *
+- * NUMA nodes may end up without any lowmem. As allocating pgdat and
+- * memmap on a different node with lowmem is inefficient, a special
+- * remap allocator is implemented which can be used by alloc_remap().
+- *
+- * For each node, the amount of memory which will be necessary for
+- * pgdat and memmap is calculated and two memory areas of the size are
+- * allocated - one in the node and the other in lowmem; then, the area
+- * in the node is remapped to the lowmem area.
+- *
+- * As pgdat and memmap must be allocated in lowmem anyway, this
+- * doesn't waste lowmem address space; however, the actual lowmem
+- * which gets remapped over is wasted. The amount shouldn't be
+- * problematic on machines this feature will be used.
+- *
+- * Initialization failure isn't fatal. alloc_remap() is used
+- * opportunistically and the callers will fall back to other memory
+- * allocation mechanisms on failure.
+- */
+-void __init init_alloc_remap(int nid, u64 start, u64 end)
+-{
+- unsigned long start_pfn = start >> PAGE_SHIFT;
+- unsigned long end_pfn = end >> PAGE_SHIFT;
+- unsigned long size, pfn;
+- u64 node_pa, remap_pa;
+- void *remap_va;
+-
+- /*
+- * The acpi/srat node info can show hot-add memroy zones where
+- * memory could be added but not currently present.
+- */
+- printk(KERN_DEBUG "node %d pfn: [%lx - %lx]\n",
+- nid, start_pfn, end_pfn);
+-
+- /* calculate the necessary space aligned to large page size */
+- size = node_memmap_size_bytes(nid, start_pfn, end_pfn);
+- size += ALIGN(sizeof(pg_data_t), PAGE_SIZE);
+- size = ALIGN(size, LARGE_PAGE_BYTES);
+-
+- /* allocate node memory and the lowmem remap area */
+- node_pa = memblock_find_in_range(start, end, size, LARGE_PAGE_BYTES);
+- if (!node_pa) {
+- pr_warning("remap_alloc: failed to allocate %lu bytes for node %d\n",
+- size, nid);
+- return;
+- }
+- memblock_reserve(node_pa, size);
+-
+- remap_pa = memblock_find_in_range(min_low_pfn << PAGE_SHIFT,
+- max_low_pfn << PAGE_SHIFT,
+- size, LARGE_PAGE_BYTES);
+- if (!remap_pa) {
+- pr_warning("remap_alloc: failed to allocate %lu bytes remap area for node %d\n",
+- size, nid);
+- memblock_free(node_pa, size);
+- return;
+- }
+- memblock_reserve(remap_pa, size);
+- remap_va = phys_to_virt(remap_pa);
+-
+- /* perform actual remap */
+- for (pfn = 0; pfn < size >> PAGE_SHIFT; pfn += PTRS_PER_PTE)
+- set_pmd_pfn((unsigned long)remap_va + (pfn << PAGE_SHIFT),
+- (node_pa >> PAGE_SHIFT) + pfn,
+- PAGE_KERNEL_LARGE);
+-
+- /* initialize remap allocator parameters */
+- node_remap_start_pfn[nid] = node_pa >> PAGE_SHIFT;
+- node_remap_start_vaddr[nid] = remap_va;
+- node_remap_end_vaddr[nid] = remap_va + size;
+- node_remap_alloc_vaddr[nid] = remap_va;
+-
+- printk(KERN_DEBUG "remap_alloc: node %d [%08llx-%08llx) -> [%p-%p)\n",
+- nid, node_pa, node_pa + size, remap_va, remap_va + size);
+-}
+-
+ void __init initmem_init(void)
+ {
+ x86_numa_init();
+diff --git a/arch/x86/mm/numa_internal.h b/arch/x86/mm/numa_internal.h
+index 7178c3a..ad86ec9 100644
+--- a/arch/x86/mm/numa_internal.h
++++ b/arch/x86/mm/numa_internal.h
+@@ -21,12 +21,6 @@ void __init numa_reset_distance(void);
+
+ void __init x86_numa_init(void);
+
+-#ifdef CONFIG_X86_64
+-static inline void init_alloc_remap(int nid, u64 start, u64 end) { }
+-#else
+-void __init init_alloc_remap(int nid, u64 start, u64 end);
+-#endif
+-
+ #ifdef CONFIG_NUMA_EMU
+ void __init numa_emulation(struct numa_meminfo *numa_meminfo,
+ int numa_dist_cnt);
+diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
+index 72d8899..1e40637 100644
+--- a/arch/x86/platform/efi/efi.c
++++ b/arch/x86/platform/efi/efi.c
+@@ -50,9 +50,6 @@
+
+ #define EFI_DEBUG 1
+
+-int efi_enabled;
+-EXPORT_SYMBOL(efi_enabled);
+-
+ struct efi __read_mostly efi = {
+ .mps = EFI_INVALID_TABLE_ADDR,
+ .acpi = EFI_INVALID_TABLE_ADDR,
+@@ -68,19 +65,29 @@ EXPORT_SYMBOL(efi);
+
+ struct efi_memory_map memmap;
+
+-bool efi_64bit;
+-
+ static struct efi efi_phys __initdata;
+ static efi_system_table_t efi_systab __initdata;
+
+ static inline bool efi_is_native(void)
+ {
+- return IS_ENABLED(CONFIG_X86_64) == efi_64bit;
++ return IS_ENABLED(CONFIG_X86_64) == efi_enabled(EFI_64BIT);
++}
++
++unsigned long x86_efi_facility;
++
++/*
++ * Returns 1 if 'facility' is enabled, 0 otherwise.
++ */
++int efi_enabled(int facility)
++{
++ return test_bit(facility, &x86_efi_facility) != 0;
+ }
++EXPORT_SYMBOL(efi_enabled);
+
++static bool disable_runtime = false;
+ static int __init setup_noefi(char *arg)
+ {
+- efi_enabled = 0;
++ disable_runtime = true;
+ return 0;
+ }
+ early_param("noefi", setup_noefi);
+@@ -425,6 +432,7 @@ void __init efi_reserve_boot_services(void)
+
+ void __init efi_unmap_memmap(void)
+ {
++ clear_bit(EFI_MEMMAP, &x86_efi_facility);
+ if (memmap.map) {
+ early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size);
+ memmap.map = NULL;
+@@ -459,7 +467,7 @@ void __init efi_free_boot_services(void)
+
+ static int __init efi_systab_init(void *phys)
+ {
+- if (efi_64bit) {
++ if (efi_enabled(EFI_64BIT)) {
+ efi_system_table_64_t *systab64;
+ u64 tmp = 0;
+
+@@ -551,7 +559,7 @@ static int __init efi_config_init(u64 tables, int nr_tables)
+ void *config_tables, *tablep;
+ int i, sz;
+
+- if (efi_64bit)
++ if (efi_enabled(EFI_64BIT))
+ sz = sizeof(efi_config_table_64_t);
+ else
+ sz = sizeof(efi_config_table_32_t);
+@@ -571,7 +579,7 @@ static int __init efi_config_init(u64 tables, int nr_tables)
+ efi_guid_t guid;
+ unsigned long table;
+
+- if (efi_64bit) {
++ if (efi_enabled(EFI_64BIT)) {
+ u64 table64;
+ guid = ((efi_config_table_64_t *)tablep)->guid;
+ table64 = ((efi_config_table_64_t *)tablep)->table;
+@@ -683,7 +691,6 @@ void __init efi_init(void)
+ if (boot_params.efi_info.efi_systab_hi ||
+ boot_params.efi_info.efi_memmap_hi) {
+ pr_info("Table located above 4GB, disabling EFI.\n");
+- efi_enabled = 0;
+ return;
+ }
+ efi_phys.systab = (efi_system_table_t *)boot_params.efi_info.efi_systab;
+@@ -693,10 +700,10 @@ void __init efi_init(void)
+ ((__u64)boot_params.efi_info.efi_systab_hi<<32));
+ #endif
+
+- if (efi_systab_init(efi_phys.systab)) {
+- efi_enabled = 0;
++ if (efi_systab_init(efi_phys.systab))
+ return;
+- }
++
++ set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility);
+
+ /*
+ * Show what we know for posterity
+@@ -714,10 +721,10 @@ void __init efi_init(void)
+ efi.systab->hdr.revision >> 16,
+ efi.systab->hdr.revision & 0xffff, vendor);
+
+- if (efi_config_init(efi.systab->tables, efi.systab->nr_tables)) {
+- efi_enabled = 0;
++ if (efi_config_init(efi.systab->tables, efi.systab->nr_tables))
+ return;
+- }
++
++ set_bit(EFI_CONFIG_TABLES, &x86_efi_facility);
+
+ /*
+ * Note: We currently don't support runtime services on an EFI
+@@ -726,15 +733,17 @@ void __init efi_init(void)
+
+ if (!efi_is_native())
+ pr_info("No EFI runtime due to 32/64-bit mismatch with kernel\n");
+- else if (efi_runtime_init()) {
+- efi_enabled = 0;
+- return;
++ else {
++ if (disable_runtime || efi_runtime_init())
++ return;
++ set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility);
+ }
+
+- if (efi_memmap_init()) {
+- efi_enabled = 0;
++ if (efi_memmap_init())
+ return;
+- }
++
++ set_bit(EFI_MEMMAP, &x86_efi_facility);
++
+ #ifdef CONFIG_X86_32
+ if (efi_is_native()) {
+ x86_platform.get_wallclock = efi_get_time;
+@@ -900,7 +909,7 @@ void __init efi_enter_virtual_mode(void)
+ *
+ * Call EFI services through wrapper functions.
+ */
+- efi.runtime_version = efi_systab.fw_revision;
++ efi.runtime_version = efi_systab.hdr.revision;
+ efi.get_time = virt_efi_get_time;
+ efi.set_time = virt_efi_set_time;
+ efi.get_wakeup_time = virt_efi_get_wakeup_time;
+@@ -943,6 +952,9 @@ u64 efi_mem_attributes(unsigned long phys_addr)
+ efi_memory_desc_t *md;
+ void *p;
+
++ if (!efi_enabled(EFI_MEMMAP))
++ return 0;
++
+ for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
+ md = p;
+ if ((md->phys_addr <= phys_addr) &&
+diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
+index ac3aa54..0fba86d 100644
+--- a/arch/x86/platform/efi/efi_64.c
++++ b/arch/x86/platform/efi/efi_64.c
+@@ -38,7 +38,7 @@
+ #include <asm/cacheflush.h>
+ #include <asm/fixmap.h>
+
+-static pgd_t save_pgd __initdata;
++static pgd_t *save_pgd __initdata;
+ static unsigned long efi_flags __initdata;
+
+ static void __init early_code_mapping_set_exec(int executable)
+@@ -61,12 +61,20 @@ static void __init early_code_mapping_set_exec(int executable)
+ void __init efi_call_phys_prelog(void)
+ {
+ unsigned long vaddress;
++ int pgd;
++ int n_pgds;
+
+ early_code_mapping_set_exec(1);
+ local_irq_save(efi_flags);
+- vaddress = (unsigned long)__va(0x0UL);
+- save_pgd = *pgd_offset_k(0x0UL);
+- set_pgd(pgd_offset_k(0x0UL), *pgd_offset_k(vaddress));
++
++ n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE);
++ save_pgd = kmalloc(n_pgds * sizeof(pgd_t), GFP_KERNEL);
++
++ for (pgd = 0; pgd < n_pgds; pgd++) {
++ save_pgd[pgd] = *pgd_offset_k(pgd * PGDIR_SIZE);
++ vaddress = (unsigned long)__va(pgd * PGDIR_SIZE);
++ set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress));
++ }
+ __flush_tlb_all();
+ }
+
+@@ -75,7 +83,11 @@ void __init efi_call_phys_epilog(void)
+ /*
+ * After the lock is released, the original page table is restored.
+ */
+- set_pgd(pgd_offset_k(0x0UL), save_pgd);
++ int pgd;
++ int n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE);
++ for (pgd = 0; pgd < n_pgds; pgd++)
++ set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), save_pgd[pgd]);
++ kfree(save_pgd);
+ __flush_tlb_all();
+ local_irq_restore(efi_flags);
+ early_code_mapping_set_exec(0);
+diff --git a/arch/x86/power/hibernate_32.c b/arch/x86/power/hibernate_32.c
+index 74202c1..7d28c88 100644
+--- a/arch/x86/power/hibernate_32.c
++++ b/arch/x86/power/hibernate_32.c
+@@ -129,8 +129,6 @@ static int resume_physical_mapping_init(pgd_t *pgd_base)
+ }
+ }
+
+- resume_map_numa_kva(pgd_base);
+-
+ return 0;
+ }
+
+diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
+index 83e866d..f7a080e 100644
+--- a/arch/x86/xen/spinlock.c
++++ b/arch/x86/xen/spinlock.c
+@@ -328,7 +328,6 @@ static noinline void xen_spin_unlock_slow(struct xen_spinlock *xl)
+ if (per_cpu(lock_spinners, cpu) == xl) {
+ ADD_STATS(released_slow_kicked, 1);
+ xen_send_IPI_one(cpu, XEN_SPIN_UNLOCK_VECTOR);
+- break;
+ }
+ }
+ }
+diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S
+index f9643fc..33ca6e4 100644
+--- a/arch/x86/xen/xen-asm_32.S
++++ b/arch/x86/xen/xen-asm_32.S
+@@ -89,11 +89,11 @@ ENTRY(xen_iret)
+ */
+ #ifdef CONFIG_SMP
+ GET_THREAD_INFO(%eax)
+- movl TI_cpu(%eax), %eax
+- movl __per_cpu_offset(,%eax,4), %eax
+- mov xen_vcpu(%eax), %eax
++ movl %ss:TI_cpu(%eax), %eax
++ movl %ss:__per_cpu_offset(,%eax,4), %eax
++ mov %ss:xen_vcpu(%eax), %eax
+ #else
+- movl xen_vcpu, %eax
++ movl %ss:xen_vcpu, %eax
+ #endif
+
+ /* check IF state we're restoring */
+@@ -106,11 +106,11 @@ ENTRY(xen_iret)
+ * resuming the code, so we don't have to be worried about
+ * being preempted to another CPU.
+ */
+- setz XEN_vcpu_info_mask(%eax)
++ setz %ss:XEN_vcpu_info_mask(%eax)
+ xen_iret_start_crit:
+
+ /* check for unmasked and pending */
+- cmpw $0x0001, XEN_vcpu_info_pending(%eax)
++ cmpw $0x0001, %ss:XEN_vcpu_info_pending(%eax)
+
+ /*
+ * If there's something pending, mask events again so we can
+@@ -118,7 +118,7 @@ xen_iret_start_crit:
+ * touch XEN_vcpu_info_mask.
+ */
+ jne 1f
+- movb $1, XEN_vcpu_info_mask(%eax)
++ movb $1, %ss:XEN_vcpu_info_mask(%eax)
+
+ 1: popl %eax
+
+diff --git a/block/genhd.c b/block/genhd.c
+index d839723..6c9a4e8 100644
+--- a/block/genhd.c
++++ b/block/genhd.c
+@@ -25,7 +25,7 @@ static DEFINE_MUTEX(block_class_lock);
+ struct kobject *block_depr;
+
+ /* for extended dynamic devt allocation, currently only one major is used */
+-#define MAX_EXT_DEVT (1 << MINORBITS)
++#define NR_EXT_DEVT (1 << MINORBITS)
+
+ /* For extended devt allocation. ext_devt_mutex prevents look up
+ * results from going away underneath its user.
+@@ -420,17 +420,18 @@ int blk_alloc_devt(struct hd_struct *part, dev_t *devt)
+ do {
+ if (!idr_pre_get(&ext_devt_idr, GFP_KERNEL))
+ return -ENOMEM;
++ mutex_lock(&ext_devt_mutex);
+ rc = idr_get_new(&ext_devt_idr, part, &idx);
++ if (!rc && idx >= NR_EXT_DEVT) {
++ idr_remove(&ext_devt_idr, idx);
++ rc = -EBUSY;
++ }
++ mutex_unlock(&ext_devt_mutex);
+ } while (rc == -EAGAIN);
+
+ if (rc)
+ return rc;
+
+- if (idx > MAX_EXT_DEVT) {
+- idr_remove(&ext_devt_idr, idx);
+- return -EBUSY;
+- }
+-
+ *devt = MKDEV(BLOCK_EXT_MAJOR, blk_mangle_minor(idx));
+ return 0;
+ }
+@@ -644,7 +645,6 @@ void del_gendisk(struct gendisk *disk)
+ disk_part_iter_exit(&piter);
+
+ invalidate_partition(disk, 0);
+- blk_free_devt(disk_to_dev(disk)->devt);
+ set_capacity(disk, 0);
+ disk->flags &= ~GENHD_FL_UP;
+
+@@ -662,6 +662,7 @@ void del_gendisk(struct gendisk *disk)
+ if (!sysfs_deprecated)
+ sysfs_remove_link(block_depr, dev_name(disk_to_dev(disk)));
+ device_del(disk_to_dev(disk));
++ blk_free_devt(disk_to_dev(disk)->devt);
+ }
+ EXPORT_SYMBOL(del_gendisk);
+
+diff --git a/block/partition-generic.c b/block/partition-generic.c
+index f1d1451..1cb4dec 100644
+--- a/block/partition-generic.c
++++ b/block/partition-generic.c
+@@ -249,11 +249,11 @@ void delete_partition(struct gendisk *disk, int partno)
+ if (!part)
+ return;
+
+- blk_free_devt(part_devt(part));
+ rcu_assign_pointer(ptbl->part[partno], NULL);
+ rcu_assign_pointer(ptbl->last_lookup, NULL);
+ kobject_put(part->holder_dir);
+ device_del(part_to_dev(part));
++ blk_free_devt(part_devt(part));
+
+ hd_struct_put(part);
+ }
+diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
+index 9eaf708..251435a 100644
+--- a/drivers/acpi/osl.c
++++ b/drivers/acpi/osl.c
+@@ -250,7 +250,7 @@ acpi_physical_address __init acpi_os_get_root_pointer(void)
+ return acpi_rsdp;
+ #endif
+
+- if (efi_enabled) {
++ if (efi_enabled(EFI_CONFIG_TABLES)) {
+ if (efi.acpi20 != EFI_INVALID_TABLE_ADDR)
+ return efi.acpi20;
+ else if (efi.acpi != EFI_INVALID_TABLE_ADDR)
+diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
+index ad3730b..aac684d 100644
+--- a/drivers/acpi/processor_idle.c
++++ b/drivers/acpi/processor_idle.c
+@@ -1009,6 +1009,9 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr)
+ return -EINVAL;
+ }
+
++ if (!dev)
++ return -EINVAL;
++
+ dev->cpu = pr->id;
+
+ if (max_cstate == 0)
+@@ -1196,6 +1199,7 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
+ }
+
+ /* Populate Updated C-state information */
++ acpi_processor_get_power_info(pr);
+ acpi_processor_setup_cpuidle_states(pr);
+
+ /* Enable all cpuidle devices */
+diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
+index d1ecca2..f1fcaca 100644
+--- a/drivers/acpi/scan.c
++++ b/drivers/acpi/scan.c
+@@ -807,8 +807,8 @@ acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,
+ static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
+ {
+ struct acpi_device_id button_device_ids[] = {
+- {"PNP0C0D", 0},
+ {"PNP0C0C", 0},
++ {"PNP0C0D", 0},
+ {"PNP0C0E", 0},
+ {"", 0},
+ };
+@@ -820,6 +820,11 @@ static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
+ /* Power button, Lid switch always enable wakeup */
+ if (!acpi_match_device_ids(device, button_device_ids)) {
+ device->wakeup.flags.run_wake = 1;
++ if (!acpi_match_device_ids(device, &button_device_ids[1])) {
++ /* Do not use Lid/sleep button for S5 wakeup */
++ if (device->wakeup.sleep_state == ACPI_STATE_S5)
++ device->wakeup.sleep_state = ACPI_STATE_S4;
++ }
+ device_set_wakeup_capable(&device->dev, true);
+ return;
+ }
+@@ -1175,7 +1180,7 @@ static void acpi_device_set_id(struct acpi_device *device)
+ acpi_add_id(device, ACPI_DOCK_HID);
+ else if (!acpi_ibm_smbus_match(device))
+ acpi_add_id(device, ACPI_SMBUS_IBM_HID);
+- else if (!acpi_device_hid(device) &&
++ else if (list_empty(&device->pnp.ids) &&
+ ACPI_IS_ROOT_DEVICE(device->parent)) {
+ acpi_add_id(device, ACPI_BUS_HID); /* \_SB, LNXSYBUS */
+ strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME);
+diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
+index 847ed55..b38787b 100644
+--- a/drivers/acpi/sleep.c
++++ b/drivers/acpi/sleep.c
+@@ -109,6 +109,188 @@ void __init acpi_old_suspend_ordering(void)
+ old_suspend_ordering = true;
+ }
+
++static int __init init_old_suspend_ordering(const struct dmi_system_id *d)
++{
++ acpi_old_suspend_ordering();
++ return 0;
++}
++
++static int __init init_nvs_nosave(const struct dmi_system_id *d)
++{
++ acpi_nvs_nosave();
++ return 0;
++}
++
++static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
++ {
++ .callback = init_old_suspend_ordering,
++ .ident = "Abit KN9 (nForce4 variant)",
++ .matches = {
++ DMI_MATCH(DMI_BOARD_VENDOR, "http://www.abit.com.tw/"),
++ DMI_MATCH(DMI_BOARD_NAME, "KN9 Series(NF-CK804)"),
++ },
++ },
++ {
++ .callback = init_old_suspend_ordering,
++ .ident = "HP xw4600 Workstation",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "HP xw4600 Workstation"),
++ },
++ },
++ {
++ .callback = init_old_suspend_ordering,
++ .ident = "Asus Pundit P1-AH2 (M2N8L motherboard)",
++ .matches = {
++ DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTek Computer INC."),
++ DMI_MATCH(DMI_BOARD_NAME, "M2N8L"),
++ },
++ },
++ {
++ .callback = init_old_suspend_ordering,
++ .ident = "Panasonic CF51-2L",
++ .matches = {
++ DMI_MATCH(DMI_BOARD_VENDOR,
++ "Matsushita Electric Industrial Co.,Ltd."),
++ DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Sony Vaio VGN-FW41E_H",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FW41E_H"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Sony Vaio VGN-FW21E",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FW21E"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Sony Vaio VPCEB17FX",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB17FX"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Sony Vaio VGN-SR11M",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR11M"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Everex StepNote Series",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Everex Systems, Inc."),
++ DMI_MATCH(DMI_PRODUCT_NAME, "Everex StepNote Series"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Sony Vaio VPCEB1Z1E",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1Z1E"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Sony Vaio VGN-NW130D",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NW130D"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Sony Vaio VPCCW29FX",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "VPCCW29FX"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Averatec AV1020-ED2",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "AVERATEC"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "1000 Series"),
++ },
++ },
++ {
++ .callback = init_old_suspend_ordering,
++ .ident = "Asus A8N-SLI DELUXE",
++ .matches = {
++ DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
++ DMI_MATCH(DMI_BOARD_NAME, "A8N-SLI DELUXE"),
++ },
++ },
++ {
++ .callback = init_old_suspend_ordering,
++ .ident = "Asus A8N-SLI Premium",
++ .matches = {
++ DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
++ DMI_MATCH(DMI_BOARD_NAME, "A8N-SLI Premium"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Sony Vaio VGN-SR26GN_P",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR26GN_P"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Sony Vaio VPCEB1S1E",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1S1E"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Sony Vaio VGN-FW520F",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FW520F"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Asus K54C",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
++ DMI_MATCH(DMI_PRODUCT_NAME, "K54C"),
++ },
++ },
++ {
++ .callback = init_nvs_nosave,
++ .ident = "Asus K54HR",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
++ DMI_MATCH(DMI_PRODUCT_NAME, "K54HR"),
++ },
++ },
++ {},
++};
++
++static void acpi_sleep_dmi_check(void)
++{
++ dmi_check_system(acpisleep_dmi_table);
++}
++
+ /**
+ * acpi_pm_freeze - Disable the GPEs and suspend EC transactions.
+ */
+@@ -224,6 +406,7 @@ static void acpi_pm_end(void)
+ }
+ #else /* !CONFIG_ACPI_SLEEP */
+ #define acpi_target_sleep_state ACPI_STATE_S0
++static inline void acpi_sleep_dmi_check(void) {}
+ #endif /* CONFIG_ACPI_SLEEP */
+
+ #ifdef CONFIG_SUSPEND
+@@ -382,175 +565,6 @@ static const struct platform_suspend_ops acpi_suspend_ops_old = {
+ .end = acpi_pm_end,
+ .recover = acpi_pm_finish,
+ };
+-
+-static int __init init_old_suspend_ordering(const struct dmi_system_id *d)
+-{
+- old_suspend_ordering = true;
+- return 0;
+-}
+-
+-static int __init init_nvs_nosave(const struct dmi_system_id *d)
+-{
+- acpi_nvs_nosave();
+- return 0;
+-}
+-
+-static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
+- {
+- .callback = init_old_suspend_ordering,
+- .ident = "Abit KN9 (nForce4 variant)",
+- .matches = {
+- DMI_MATCH(DMI_BOARD_VENDOR, "http://www.abit.com.tw/"),
+- DMI_MATCH(DMI_BOARD_NAME, "KN9 Series(NF-CK804)"),
+- },
+- },
+- {
+- .callback = init_old_suspend_ordering,
+- .ident = "HP xw4600 Workstation",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+- DMI_MATCH(DMI_PRODUCT_NAME, "HP xw4600 Workstation"),
+- },
+- },
+- {
+- .callback = init_old_suspend_ordering,
+- .ident = "Asus Pundit P1-AH2 (M2N8L motherboard)",
+- .matches = {
+- DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTek Computer INC."),
+- DMI_MATCH(DMI_BOARD_NAME, "M2N8L"),
+- },
+- },
+- {
+- .callback = init_old_suspend_ordering,
+- .ident = "Panasonic CF51-2L",
+- .matches = {
+- DMI_MATCH(DMI_BOARD_VENDOR,
+- "Matsushita Electric Industrial Co.,Ltd."),
+- DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Sony Vaio VGN-FW21E",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FW21E"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Sony Vaio VPCEB17FX",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+- DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB17FX"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Sony Vaio VGN-SR11M",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR11M"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Everex StepNote Series",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "Everex Systems, Inc."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "Everex StepNote Series"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Sony Vaio VPCEB1Z1E",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+- DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1Z1E"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Sony Vaio VGN-NW130D",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NW130D"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Sony Vaio VPCCW29FX",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+- DMI_MATCH(DMI_PRODUCT_NAME, "VPCCW29FX"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Averatec AV1020-ED2",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "AVERATEC"),
+- DMI_MATCH(DMI_PRODUCT_NAME, "1000 Series"),
+- },
+- },
+- {
+- .callback = init_old_suspend_ordering,
+- .ident = "Asus A8N-SLI DELUXE",
+- .matches = {
+- DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+- DMI_MATCH(DMI_BOARD_NAME, "A8N-SLI DELUXE"),
+- },
+- },
+- {
+- .callback = init_old_suspend_ordering,
+- .ident = "Asus A8N-SLI Premium",
+- .matches = {
+- DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+- DMI_MATCH(DMI_BOARD_NAME, "A8N-SLI Premium"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Sony Vaio VGN-SR26GN_P",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR26GN_P"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Sony Vaio VPCEB1S1E",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+- DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1S1E"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Sony Vaio VGN-FW520F",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+- DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FW520F"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Asus K54C",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "K54C"),
+- },
+- },
+- {
+- .callback = init_nvs_nosave,
+- .ident = "Asus K54HR",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "K54HR"),
+- },
+- },
+- {},
+-};
+ #endif /* CONFIG_SUSPEND */
+
+ #ifdef CONFIG_HIBERNATION
+@@ -881,13 +895,13 @@ int __init acpi_sleep_init(void)
+ u8 type_a, type_b;
+ #ifdef CONFIG_SUSPEND
+ int i = 0;
+-
+- dmi_check_system(acpisleep_dmi_table);
+ #endif
+
+ if (acpi_disabled)
+ return 0;
+
++ acpi_sleep_dmi_check();
++
+ sleep_states[ACPI_STATE_S0] = 1;
+ printk(KERN_INFO PREFIX "(supports S0");
+
+diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
+index 7862d17..4979127 100644
+--- a/drivers/ata/ahci.c
++++ b/drivers/ata/ahci.c
+@@ -53,6 +53,7 @@
+
+ enum {
+ AHCI_PCI_BAR_STA2X11 = 0,
++ AHCI_PCI_BAR_ENMOTUS = 2,
+ AHCI_PCI_BAR_STANDARD = 5,
+ };
+
+@@ -410,6 +411,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
+ { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
+ { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
+
++ /* Enmotus */
++ { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
++
+ /* Generic, PCI class code for AHCI */
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
+@@ -1098,9 +1102,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
+ dev_info(&pdev->dev,
+ "PDC42819 can only drive SATA devices with this driver\n");
+
+- /* The Connext uses non-standard BAR */
++ /* Both Connext and Enmotus devices use non-standard BARs */
+ if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
+ ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
++ else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
++ ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
+
+ /* acquire resources */
+ rc = pcim_enable_device(pdev);
+diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
+index ef773e1..4cb6096 100644
+--- a/drivers/ata/ata_piix.c
++++ b/drivers/ata/ata_piix.c
+@@ -339,6 +339,23 @@ static const struct pci_device_id piix_pci_tbl[] = {
+ { 0x8086, 0x9c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+ /* SATA Controller IDE (DH89xxCC) */
+ { 0x8086, 0x2326, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
++ /* SATA Controller IDE (Avoton) */
++ { 0x8086, 0x1f20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
++ /* SATA Controller IDE (Avoton) */
++ { 0x8086, 0x1f21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
++ /* SATA Controller IDE (Avoton) */
++ { 0x8086, 0x1f30, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
++ /* SATA Controller IDE (Avoton) */
++ { 0x8086, 0x1f31, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
++ /* SATA Controller IDE (Wellsburg) */
++ { 0x8086, 0x8d00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
++ /* SATA Controller IDE (Wellsburg) */
++ { 0x8086, 0x8d08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
++ /* SATA Controller IDE (Wellsburg) */
++ { 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
++ /* SATA Controller IDE (Wellsburg) */
++ { 0x8086, 0x8d68, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
++
+ { } /* terminate list */
+ };
+
+diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
+index 8e1039c..8789aef 100644
+--- a/drivers/ata/libata-core.c
++++ b/drivers/ata/libata-core.c
+@@ -2541,6 +2541,7 @@ int ata_bus_probe(struct ata_port *ap)
+ * bus as we may be talking too fast.
+ */
+ dev->pio_mode = XFER_PIO_0;
++ dev->dma_mode = 0xff;
+
+ /* If the controller has a pio mode setup function
+ * then use it to set the chipset to rights. Don't
+diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
+index 7d4535e..105e31f 100644
+--- a/drivers/ata/libata-eh.c
++++ b/drivers/ata/libata-eh.c
+@@ -2653,6 +2653,7 @@ int ata_eh_reset(struct ata_link *link, int classify,
+ * bus as we may be talking too fast.
+ */
+ dev->pio_mode = XFER_PIO_0;
++ dev->dma_mode = 0xff;
+
+ /* If the controller has a pio mode setup function
+ * then use it to set the chipset to rights. Don't
+diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
+index 8ec81ca..9f8b751 100644
+--- a/drivers/ata/libata-scsi.c
++++ b/drivers/ata/libata-scsi.c
+@@ -309,7 +309,8 @@ ata_scsi_activity_show(struct device *dev, struct device_attribute *attr,
+ struct ata_port *ap = ata_shost_to_port(sdev->host);
+ struct ata_device *atadev = ata_scsi_find_dev(ap, sdev);
+
+- if (ap->ops->sw_activity_show && (ap->flags & ATA_FLAG_SW_ACTIVITY))
++ if (atadev && ap->ops->sw_activity_show &&
++ (ap->flags & ATA_FLAG_SW_ACTIVITY))
+ return ap->ops->sw_activity_show(atadev, buf);
+ return -EINVAL;
+ }
+@@ -324,7 +325,8 @@ ata_scsi_activity_store(struct device *dev, struct device_attribute *attr,
+ enum sw_activity val;
+ int rc;
+
+- if (ap->ops->sw_activity_store && (ap->flags & ATA_FLAG_SW_ACTIVITY)) {
++ if (atadev && ap->ops->sw_activity_store &&
++ (ap->flags & ATA_FLAG_SW_ACTIVITY)) {
+ val = simple_strtoul(buf, NULL, 0);
+ switch (val) {
+ case OFF: case BLINK_ON: case BLINK_OFF:
+diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
+index 489c817..fb0dd87 100644
+--- a/drivers/ata/sata_promise.c
++++ b/drivers/ata/sata_promise.c
+@@ -147,6 +147,10 @@ struct pdc_port_priv {
+ dma_addr_t pkt_dma;
+ };
+
++struct pdc_host_priv {
++ spinlock_t hard_reset_lock;
++};
++
+ static int pdc_sata_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);
+ static int pdc_sata_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
+ static int pdc_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
+@@ -801,9 +805,10 @@ static void pdc_hard_reset_port(struct ata_port *ap)
+ void __iomem *host_mmio = ap->host->iomap[PDC_MMIO_BAR];
+ void __iomem *pcictl_b1_mmio = host_mmio + PDC_PCI_CTL + 1;
+ unsigned int ata_no = pdc_ata_port_to_ata_no(ap);
++ struct pdc_host_priv *hpriv = ap->host->private_data;
+ u8 tmp;
+
+- spin_lock(&ap->host->lock);
++ spin_lock(&hpriv->hard_reset_lock);
+
+ tmp = readb(pcictl_b1_mmio);
+ tmp &= ~(0x10 << ata_no);
+@@ -814,7 +819,7 @@ static void pdc_hard_reset_port(struct ata_port *ap)
+ writeb(tmp, pcictl_b1_mmio);
+ readb(pcictl_b1_mmio); /* flush */
+
+- spin_unlock(&ap->host->lock);
++ spin_unlock(&hpriv->hard_reset_lock);
+ }
+
+ static int pdc_sata_hardreset(struct ata_link *link, unsigned int *class,
+@@ -1182,6 +1187,7 @@ static int pdc_ata_init_one(struct pci_dev *pdev,
+ const struct ata_port_info *pi = &pdc_port_info[ent->driver_data];
+ const struct ata_port_info *ppi[PDC_MAX_PORTS];
+ struct ata_host *host;
++ struct pdc_host_priv *hpriv;
+ void __iomem *host_mmio;
+ int n_ports, i, rc;
+ int is_sataii_tx4;
+@@ -1218,6 +1224,11 @@ static int pdc_ata_init_one(struct pci_dev *pdev,
+ dev_err(&pdev->dev, "failed to allocate host\n");
+ return -ENOMEM;
+ }
++ hpriv = devm_kzalloc(&pdev->dev, sizeof *hpriv, GFP_KERNEL);
++ if (!hpriv)
++ return -ENOMEM;
++ spin_lock_init(&hpriv->hard_reset_lock);
++ host->private_data = hpriv;
+ host->iomap = pcim_iomap_table(pdev);
+
+ is_sataii_tx4 = pdc_is_sataii_tx4(pi->flags);
+diff --git a/drivers/atm/iphase.h b/drivers/atm/iphase.h
+index 6a0955e..53ecac5 100644
+--- a/drivers/atm/iphase.h
++++ b/drivers/atm/iphase.h
+@@ -636,82 +636,82 @@ struct rx_buf_desc {
+ #define SEG_BASE IPHASE5575_FRAG_CONTROL_REG_BASE
+ #define REASS_BASE IPHASE5575_REASS_CONTROL_REG_BASE
+
+-typedef volatile u_int freg_t;
++typedef volatile u_int ffreg_t;
+ typedef u_int rreg_t;
+
+ typedef struct _ffredn_t {
+- freg_t idlehead_high; /* Idle cell header (high) */
+- freg_t idlehead_low; /* Idle cell header (low) */
+- freg_t maxrate; /* Maximum rate */
+- freg_t stparms; /* Traffic Management Parameters */
+- freg_t abrubr_abr; /* ABRUBR Priority Byte 1, TCR Byte 0 */
+- freg_t rm_type; /* */
+- u_int filler5[0x17 - 0x06];
+- freg_t cmd_reg; /* Command register */
+- u_int filler18[0x20 - 0x18];
+- freg_t cbr_base; /* CBR Pointer Base */
+- freg_t vbr_base; /* VBR Pointer Base */
+- freg_t abr_base; /* ABR Pointer Base */
+- freg_t ubr_base; /* UBR Pointer Base */
+- u_int filler24;
+- freg_t vbrwq_base; /* VBR Wait Queue Base */
+- freg_t abrwq_base; /* ABR Wait Queue Base */
+- freg_t ubrwq_base; /* UBR Wait Queue Base */
+- freg_t vct_base; /* Main VC Table Base */
+- freg_t vcte_base; /* Extended Main VC Table Base */
+- u_int filler2a[0x2C - 0x2A];
+- freg_t cbr_tab_beg; /* CBR Table Begin */
+- freg_t cbr_tab_end; /* CBR Table End */
+- freg_t cbr_pointer; /* CBR Pointer */
+- u_int filler2f[0x30 - 0x2F];
+- freg_t prq_st_adr; /* Packet Ready Queue Start Address */
+- freg_t prq_ed_adr; /* Packet Ready Queue End Address */
+- freg_t prq_rd_ptr; /* Packet Ready Queue read pointer */
+- freg_t prq_wr_ptr; /* Packet Ready Queue write pointer */
+- freg_t tcq_st_adr; /* Transmit Complete Queue Start Address*/
+- freg_t tcq_ed_adr; /* Transmit Complete Queue End Address */
+- freg_t tcq_rd_ptr; /* Transmit Complete Queue read pointer */
+- freg_t tcq_wr_ptr; /* Transmit Complete Queue write pointer*/
+- u_int filler38[0x40 - 0x38];
+- freg_t queue_base; /* Base address for PRQ and TCQ */
+- freg_t desc_base; /* Base address of descriptor table */
+- u_int filler42[0x45 - 0x42];
+- freg_t mode_reg_0; /* Mode register 0 */
+- freg_t mode_reg_1; /* Mode register 1 */
+- freg_t intr_status_reg;/* Interrupt Status register */
+- freg_t mask_reg; /* Mask Register */
+- freg_t cell_ctr_high1; /* Total cell transfer count (high) */
+- freg_t cell_ctr_lo1; /* Total cell transfer count (low) */
+- freg_t state_reg; /* Status register */
+- u_int filler4c[0x58 - 0x4c];
+- freg_t curr_desc_num; /* Contains the current descriptor num */
+- freg_t next_desc; /* Next descriptor */
+- freg_t next_vc; /* Next VC */
+- u_int filler5b[0x5d - 0x5b];
+- freg_t present_slot_cnt;/* Present slot count */
+- u_int filler5e[0x6a - 0x5e];
+- freg_t new_desc_num; /* New descriptor number */
+- freg_t new_vc; /* New VC */
+- freg_t sched_tbl_ptr; /* Schedule table pointer */
+- freg_t vbrwq_wptr; /* VBR wait queue write pointer */
+- freg_t vbrwq_rptr; /* VBR wait queue read pointer */
+- freg_t abrwq_wptr; /* ABR wait queue write pointer */
+- freg_t abrwq_rptr; /* ABR wait queue read pointer */
+- freg_t ubrwq_wptr; /* UBR wait queue write pointer */
+- freg_t ubrwq_rptr; /* UBR wait queue read pointer */
+- freg_t cbr_vc; /* CBR VC */
+- freg_t vbr_sb_vc; /* VBR SB VC */
+- freg_t abr_sb_vc; /* ABR SB VC */
+- freg_t ubr_sb_vc; /* UBR SB VC */
+- freg_t vbr_next_link; /* VBR next link */
+- freg_t abr_next_link; /* ABR next link */
+- freg_t ubr_next_link; /* UBR next link */
+- u_int filler7a[0x7c-0x7a];
+- freg_t out_rate_head; /* Out of rate head */
+- u_int filler7d[0xca-0x7d]; /* pad out to full address space */
+- freg_t cell_ctr_high1_nc;/* Total cell transfer count (high) */
+- freg_t cell_ctr_lo1_nc;/* Total cell transfer count (low) */
+- u_int fillercc[0x100-0xcc]; /* pad out to full address space */
++ ffreg_t idlehead_high; /* Idle cell header (high) */
++ ffreg_t idlehead_low; /* Idle cell header (low) */
++ ffreg_t maxrate; /* Maximum rate */
++ ffreg_t stparms; /* Traffic Management Parameters */
++ ffreg_t abrubr_abr; /* ABRUBR Priority Byte 1, TCR Byte 0 */
++ ffreg_t rm_type; /* */
++ u_int filler5[0x17 - 0x06];
++ ffreg_t cmd_reg; /* Command register */
++ u_int filler18[0x20 - 0x18];
++ ffreg_t cbr_base; /* CBR Pointer Base */
++ ffreg_t vbr_base; /* VBR Pointer Base */
++ ffreg_t abr_base; /* ABR Pointer Base */
++ ffreg_t ubr_base; /* UBR Pointer Base */
++ u_int filler24;
++ ffreg_t vbrwq_base; /* VBR Wait Queue Base */
++ ffreg_t abrwq_base; /* ABR Wait Queue Base */
++ ffreg_t ubrwq_base; /* UBR Wait Queue Base */
++ ffreg_t vct_base; /* Main VC Table Base */
++ ffreg_t vcte_base; /* Extended Main VC Table Base */
++ u_int filler2a[0x2C - 0x2A];
++ ffreg_t cbr_tab_beg; /* CBR Table Begin */
++ ffreg_t cbr_tab_end; /* CBR Table End */
++ ffreg_t cbr_pointer; /* CBR Pointer */
++ u_int filler2f[0x30 - 0x2F];
++ ffreg_t prq_st_adr; /* Packet Ready Queue Start Address */
++ ffreg_t prq_ed_adr; /* Packet Ready Queue End Address */
++ ffreg_t prq_rd_ptr; /* Packet Ready Queue read pointer */
++ ffreg_t prq_wr_ptr; /* Packet Ready Queue write pointer */
++ ffreg_t tcq_st_adr; /* Transmit Complete Queue Start Address*/
++ ffreg_t tcq_ed_adr; /* Transmit Complete Queue End Address */
++ ffreg_t tcq_rd_ptr; /* Transmit Complete Queue read pointer */
++ ffreg_t tcq_wr_ptr; /* Transmit Complete Queue write pointer*/
++ u_int filler38[0x40 - 0x38];
++ ffreg_t queue_base; /* Base address for PRQ and TCQ */
++ ffreg_t desc_base; /* Base address of descriptor table */
++ u_int filler42[0x45 - 0x42];
++ ffreg_t mode_reg_0; /* Mode register 0 */
++ ffreg_t mode_reg_1; /* Mode register 1 */
++ ffreg_t intr_status_reg;/* Interrupt Status register */
++ ffreg_t mask_reg; /* Mask Register */
++ ffreg_t cell_ctr_high1; /* Total cell transfer count (high) */
++ ffreg_t cell_ctr_lo1; /* Total cell transfer count (low) */
++ ffreg_t state_reg; /* Status register */
++ u_int filler4c[0x58 - 0x4c];
++ ffreg_t curr_desc_num; /* Contains the current descriptor num */
++ ffreg_t next_desc; /* Next descriptor */
++ ffreg_t next_vc; /* Next VC */
++ u_int filler5b[0x5d - 0x5b];
++ ffreg_t present_slot_cnt;/* Present slot count */
++ u_int filler5e[0x6a - 0x5e];
++ ffreg_t new_desc_num; /* New descriptor number */
++ ffreg_t new_vc; /* New VC */
++ ffreg_t sched_tbl_ptr; /* Schedule table pointer */
++ ffreg_t vbrwq_wptr; /* VBR wait queue write pointer */
++ ffreg_t vbrwq_rptr; /* VBR wait queue read pointer */
++ ffreg_t abrwq_wptr; /* ABR wait queue write pointer */
++ ffreg_t abrwq_rptr; /* ABR wait queue read pointer */
++ ffreg_t ubrwq_wptr; /* UBR wait queue write pointer */
++ ffreg_t ubrwq_rptr; /* UBR wait queue read pointer */
++ ffreg_t cbr_vc; /* CBR VC */
++ ffreg_t vbr_sb_vc; /* VBR SB VC */
++ ffreg_t abr_sb_vc; /* ABR SB VC */
++ ffreg_t ubr_sb_vc; /* UBR SB VC */
++ ffreg_t vbr_next_link; /* VBR next link */
++ ffreg_t abr_next_link; /* ABR next link */
++ ffreg_t ubr_next_link; /* UBR next link */
++ u_int filler7a[0x7c-0x7a];
++ ffreg_t out_rate_head; /* Out of rate head */
++ u_int filler7d[0xca-0x7d]; /* pad out to full address space */
++ ffreg_t cell_ctr_high1_nc;/* Total cell transfer count (high) */
++ ffreg_t cell_ctr_lo1_nc;/* Total cell transfer count (low) */
++ u_int fillercc[0x100-0xcc]; /* pad out to full address space */
+ } ffredn_t;
+
+ typedef struct _rfredn_t {
+diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
+index 9851093..1853a45 100644
+--- a/drivers/atm/solos-pci.c
++++ b/drivers/atm/solos-pci.c
+@@ -967,10 +967,11 @@ static uint32_t fpga_tx(struct solos_card *card)
+ for (port = 0; tx_pending; tx_pending >>= 1, port++) {
+ if (tx_pending & 1) {
+ struct sk_buff *oldskb = card->tx_skb[port];
+- if (oldskb)
++ if (oldskb) {
+ pci_unmap_single(card->dev, SKB_CB(oldskb)->dma_addr,
+ oldskb->len, PCI_DMA_TODEVICE);
+-
++ card->tx_skb[port] = NULL;
++ }
+ spin_lock(&card->tx_queue_lock);
+ skb = skb_dequeue(&card->tx_queue[port]);
+ if (!skb)
+diff --git a/drivers/base/bus.c b/drivers/base/bus.c
+index 181ed26..513a02d 100644
+--- a/drivers/base/bus.c
++++ b/drivers/base/bus.c
+@@ -293,7 +293,7 @@ int bus_for_each_dev(struct bus_type *bus, struct device *start,
+ struct device *dev;
+ int error = 0;
+
+- if (!bus)
++ if (!bus || !bus->p)
+ return -EINVAL;
+
+ klist_iter_init_node(&bus->p->klist_devices, &i,
+@@ -327,7 +327,7 @@ struct device *bus_find_device(struct bus_type *bus,
+ struct klist_iter i;
+ struct device *dev;
+
+- if (!bus)
++ if (!bus || !bus->p)
+ return NULL;
+
+ klist_iter_init_node(&bus->p->klist_devices, &i,
+diff --git a/drivers/base/dd.c b/drivers/base/dd.c
+index e3bbed8..61d3e1b 100644
+--- a/drivers/base/dd.c
++++ b/drivers/base/dd.c
+@@ -172,6 +172,8 @@ static int deferred_probe_initcall(void)
+
+ driver_deferred_probe_enable = true;
+ driver_deferred_probe_trigger();
++ /* Sort as many dependencies as possible before exiting initcalls */
++ flush_workqueue(deferred_wq);
+ return 0;
+ }
+ late_initcall(deferred_probe_initcall);
+diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
+index bb1ff17..c394041 100644
+--- a/drivers/base/regmap/regmap-debugfs.c
++++ b/drivers/base/regmap/regmap-debugfs.c
+@@ -90,7 +90,7 @@ static ssize_t regmap_map_read_file(struct file *file, char __user *user_buf,
+ /* If we're in the region the user is trying to read */
+ if (p >= *ppos) {
+ /* ...but not beyond it */
+- if (buf_pos >= count - 1 - tot_len)
++ if (buf_pos + 1 + tot_len >= count)
+ break;
+
+ /* Format the register */
+diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
+index cc65b45..b4e83b8 100644
+--- a/drivers/bcma/driver_mips.c
++++ b/drivers/bcma/driver_mips.c
+@@ -115,7 +115,7 @@ static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq)
+ bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) &
+ ~(1 << irqflag));
+ else
+- bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq), 0);
++ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(oldirq), 0);
+
+ /* assign the new one */
+ if (irq == 0) {
+diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h
+index db195ab..e49ddd0 100644
+--- a/drivers/block/aoe/aoe.h
++++ b/drivers/block/aoe/aoe.h
+@@ -1,5 +1,5 @@
+ /* Copyright (c) 2007 Coraid, Inc. See COPYING for GPL terms. */
+-#define VERSION "47"
++#define VERSION "47q"
+ #define AOE_MAJOR 152
+ #define DEVICE_NAME "aoe"
+
+diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
+index 321de7b..7eca463 100644
+--- a/drivers/block/aoe/aoeblk.c
++++ b/drivers/block/aoe/aoeblk.c
+@@ -276,8 +276,6 @@ aoeblk_gdalloc(void *vp)
+ goto err_mempool;
+ blk_queue_make_request(d->blkq, aoeblk_make_request);
+ d->blkq->backing_dev_info.name = "aoe";
+- if (bdi_init(&d->blkq->backing_dev_info))
+- goto err_blkq;
+ spin_lock_irqsave(&d->lock, flags);
+ gd->major = AOE_MAJOR;
+ gd->first_minor = d->sysminor * AOE_PARTITIONS;
+@@ -298,9 +296,6 @@ aoeblk_gdalloc(void *vp)
+ aoedisk_add_sysfs(d);
+ return;
+
+-err_blkq:
+- blk_cleanup_queue(d->blkq);
+- d->blkq = NULL;
+ err_mempool:
+ mempool_destroy(d->bufpool);
+ err_disk:
+diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
+index 54a55f0..7aac910 100644
+--- a/drivers/block/rbd.c
++++ b/drivers/block/rbd.c
+@@ -69,7 +69,7 @@
+ #define DEV_NAME_LEN 32
+ #define MAX_INT_FORMAT_WIDTH ((5 * sizeof (int)) / 2 + 1)
+
+-#define RBD_NOTIFY_TIMEOUT_DEFAULT 10
++#define RBD_READ_ONLY_DEFAULT false
+
+ /*
+ * block device image metadata (in-memory version)
+@@ -91,7 +91,7 @@ struct rbd_image_header {
+ };
+
+ struct rbd_options {
+- int notify_timeout;
++ bool read_only;
+ };
+
+ /*
+@@ -177,7 +177,7 @@ struct rbd_device {
+ u64 snap_id; /* current snapshot id */
+ /* whether the snap_id this device reads from still exists */
+ bool snap_exists;
+- int read_only;
++ bool read_only;
+
+ struct list_head node;
+
+@@ -186,6 +186,7 @@ struct rbd_device {
+
+ /* sysfs related */
+ struct device dev;
++ unsigned long open_count;
+ };
+
+ static DEFINE_MUTEX(ctl_mutex); /* Serialize open/close/setup/teardown */
+@@ -249,8 +250,11 @@ static int rbd_open(struct block_device *bdev, fmode_t mode)
+ if ((mode & FMODE_WRITE) && rbd_dev->read_only)
+ return -EROFS;
+
++ mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
+ rbd_get_dev(rbd_dev);
+ set_device_ro(bdev, rbd_dev->read_only);
++ rbd_dev->open_count++;
++ mutex_unlock(&ctl_mutex);
+
+ return 0;
+ }
+@@ -259,7 +263,11 @@ static int rbd_release(struct gendisk *disk, fmode_t mode)
+ {
+ struct rbd_device *rbd_dev = disk->private_data;
+
++ mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);
++ BUG_ON(!rbd_dev->open_count);
++ rbd_dev->open_count--;
+ rbd_put_dev(rbd_dev);
++ mutex_unlock(&ctl_mutex);
+
+ return 0;
+ }
+@@ -341,17 +349,24 @@ static struct rbd_client *__rbd_client_find(struct ceph_options *ceph_opts)
+ * mount options
+ */
+ enum {
+- Opt_notify_timeout,
+ Opt_last_int,
+ /* int args above */
+ Opt_last_string,
+ /* string args above */
++ Opt_read_only,
++ Opt_read_write,
++ /* Boolean args above */
++ Opt_last_bool,
+ };
+
+ static match_table_t rbd_opts_tokens = {
+- {Opt_notify_timeout, "notify_timeout=%d"},
+ /* int args above */
+ /* string args above */
++ {Opt_read_only, "read_only"},
++ {Opt_read_only, "ro"}, /* Alternate spelling */
++ {Opt_read_write, "read_write"},
++ {Opt_read_write, "rw"}, /* Alternate spelling */
++ /* Boolean args above */
+ {-1, NULL}
+ };
+
+@@ -376,13 +391,18 @@ static int parse_rbd_opts_token(char *c, void *private)
+ } else if (token > Opt_last_int && token < Opt_last_string) {
+ dout("got string token %d val %s\n", token,
+ argstr[0].from);
++ } else if (token > Opt_last_string && token < Opt_last_bool) {
++ dout("got Boolean token %d\n", token);
+ } else {
+ dout("got token %d\n", token);
+ }
+
+ switch (token) {
+- case Opt_notify_timeout:
+- rbd_opts->notify_timeout = intval;
++ case Opt_read_only:
++ rbd_opts->read_only = true;
++ break;
++ case Opt_read_write:
++ rbd_opts->read_only = false;
+ break;
+ default:
+ BUG_ON(token);
+@@ -406,7 +426,7 @@ static struct rbd_client *rbd_get_client(const char *mon_addr,
+ if (!rbd_opts)
+ return ERR_PTR(-ENOMEM);
+
+- rbd_opts->notify_timeout = RBD_NOTIFY_TIMEOUT_DEFAULT;
++ rbd_opts->read_only = RBD_READ_ONLY_DEFAULT;
+
+ ceph_opts = ceph_parse_options(options, mon_addr,
+ mon_addr + mon_addr_len,
+@@ -606,7 +626,7 @@ static int rbd_header_set_snap(struct rbd_device *rbd_dev, u64 *size)
+ sizeof (RBD_SNAP_HEAD_NAME))) {
+ rbd_dev->snap_id = CEPH_NOSNAP;
+ rbd_dev->snap_exists = false;
+- rbd_dev->read_only = 0;
++ rbd_dev->read_only = rbd_dev->rbd_opts.read_only;
+ if (size)
+ *size = rbd_dev->header.image_size;
+ } else {
+@@ -618,7 +638,7 @@ static int rbd_header_set_snap(struct rbd_device *rbd_dev, u64 *size)
+ goto done;
+ rbd_dev->snap_id = snap_id;
+ rbd_dev->snap_exists = true;
+- rbd_dev->read_only = 1;
++ rbd_dev->read_only = true; /* No choice for snapshots */
+ }
+
+ ret = 0;
+@@ -938,8 +958,9 @@ static int rbd_do_request(struct request *rq,
+ layout->fl_stripe_count = cpu_to_le32(1);
+ layout->fl_object_size = cpu_to_le32(1 << RBD_MAX_OBJ_ORDER);
+ layout->fl_pg_pool = cpu_to_le32(rbd_dev->pool_id);
+- ceph_calc_raw_layout(osdc, layout, snapid, ofs, &len, &bno,
+- req, ops);
++ ret = ceph_calc_raw_layout(osdc, layout, snapid, ofs, &len, &bno,
++ req, ops);
++ rbd_assert(ret == 0);
+
+ ceph_osdc_build_request(req, ofs, &len,
+ ops,
+@@ -2260,8 +2281,8 @@ static void rbd_id_put(struct rbd_device *rbd_dev)
+ struct rbd_device *rbd_dev;
+
+ rbd_dev = list_entry(tmp, struct rbd_device, node);
+- if (rbd_id > max_id)
+- max_id = rbd_id;
++ if (rbd_dev->id > max_id)
++ max_id = rbd_dev->id;
+ }
+ spin_unlock(&rbd_dev_list_lock);
+
+@@ -2623,6 +2644,11 @@ static ssize_t rbd_remove(struct bus_type *bus,
+ goto done;
+ }
+
++ if (rbd_dev->open_count) {
++ ret = -EBUSY;
++ goto done;
++ }
++
+ __rbd_remove_all_snaps(rbd_dev);
+ rbd_bus_del_dev(rbd_dev);
+
+diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
+index 9dcf76a..31dd451 100644
+--- a/drivers/block/sunvdc.c
++++ b/drivers/block/sunvdc.c
+@@ -461,7 +461,7 @@ static int generic_request(struct vdc_port *port, u8 op, void *buf, int len)
+ int op_len, err;
+ void *req_buf;
+
+- if (!(((u64)1 << ((u64)op - 1)) & port->operations))
++ if (!(((u64)1 << (u64)op) & port->operations))
+ return -EOPNOTSUPP;
+
+ switch (op) {
+diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
+index c6decb9..73d8c92 100644
+--- a/drivers/block/xen-blkback/blkback.c
++++ b/drivers/block/xen-blkback/blkback.c
+@@ -623,7 +623,6 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif,
+ goto fail_response;
+ }
+
+- preq.dev = req->u.rw.handle;
+ preq.sector_number = req->u.rw.sector_number;
+ preq.nr_sects = 0;
+
+diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c
+index 4f66171..a155254 100644
+--- a/drivers/block/xen-blkback/xenbus.c
++++ b/drivers/block/xen-blkback/xenbus.c
+@@ -367,6 +367,7 @@ static int xen_blkbk_remove(struct xenbus_device *dev)
+ be->blkif = NULL;
+ }
+
++ kfree(be->mode);
+ kfree(be);
+ dev_set_drvdata(&dev->dev, NULL);
+ return 0;
+@@ -502,6 +503,7 @@ static void backend_changed(struct xenbus_watch *watch,
+ = container_of(watch, struct backend_info, backend_watch);
+ struct xenbus_device *dev = be->dev;
+ int cdrom = 0;
++ unsigned long handle;
+ char *device_type;
+
+ DPRINTK("");
+@@ -521,10 +523,10 @@ static void backend_changed(struct xenbus_watch *watch,
+ return;
+ }
+
+- if ((be->major || be->minor) &&
+- ((be->major != major) || (be->minor != minor))) {
+- pr_warn(DRV_PFX "changing physical device (from %x:%x to %x:%x) not supported.\n",
+- be->major, be->minor, major, minor);
++ if (be->major | be->minor) {
++ if (be->major != major || be->minor != minor)
++ pr_warn(DRV_PFX "changing physical device (from %x:%x to %x:%x) not supported.\n",
++ be->major, be->minor, major, minor);
+ return;
+ }
+
+@@ -542,36 +544,33 @@ static void backend_changed(struct xenbus_watch *watch,
+ kfree(device_type);
+ }
+
+- if (be->major == 0 && be->minor == 0) {
+- /* Front end dir is a number, which is used as the handle. */
+-
+- char *p = strrchr(dev->otherend, '/') + 1;
+- long handle;
+- err = strict_strtoul(p, 0, &handle);
+- if (err)
+- return;
++ /* Front end dir is a number, which is used as the handle. */
++ err = strict_strtoul(strrchr(dev->otherend, '/') + 1, 0, &handle);
++ if (err)
++ return;
+
+- be->major = major;
+- be->minor = minor;
++ be->major = major;
++ be->minor = minor;
+
+- err = xen_vbd_create(be->blkif, handle, major, minor,
+- (NULL == strchr(be->mode, 'w')), cdrom);
+- if (err) {
+- be->major = 0;
+- be->minor = 0;
+- xenbus_dev_fatal(dev, err, "creating vbd structure");
+- return;
+- }
++ err = xen_vbd_create(be->blkif, handle, major, minor,
++ !strchr(be->mode, 'w'), cdrom);
+
++ if (err)
++ xenbus_dev_fatal(dev, err, "creating vbd structure");
++ else {
+ err = xenvbd_sysfs_addif(dev);
+ if (err) {
+ xen_vbd_free(&be->blkif->vbd);
+- be->major = 0;
+- be->minor = 0;
+ xenbus_dev_fatal(dev, err, "creating sysfs entries");
+- return;
+ }
++ }
+
++ if (err) {
++ kfree(be->mode);
++ be->mode = NULL;
++ be->major = 0;
++ be->minor = 0;
++ } else {
+ /* We're potentially connected now */
+ xen_update_blkif_status(be->blkif);
+ }
+diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
+index fc2de55..b00000e 100644
+--- a/drivers/bluetooth/ath3k.c
++++ b/drivers/bluetooth/ath3k.c
+@@ -67,6 +67,7 @@ static struct usb_device_id ath3k_table[] = {
+ { USB_DEVICE(0x13d3, 0x3304) },
+ { USB_DEVICE(0x0930, 0x0215) },
+ { USB_DEVICE(0x0489, 0xE03D) },
++ { USB_DEVICE(0x0489, 0xE027) },
+
+ /* Atheros AR9285 Malbec with sflash firmware */
+ { USB_DEVICE(0x03F0, 0x311D) },
+diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
+index 654e248..e023c65 100644
+--- a/drivers/bluetooth/btusb.c
++++ b/drivers/bluetooth/btusb.c
+@@ -123,6 +123,7 @@ static struct usb_device_id blacklist_table[] = {
+ { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
+ { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
+ { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
++ { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
+
+ /* Atheros AR9285 Malbec with sflash firmware */
+ { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
+diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
+index cdf2f54..f77e341 100644
+--- a/drivers/char/virtio_console.c
++++ b/drivers/char/virtio_console.c
+@@ -1808,7 +1808,8 @@ static void virtcons_remove(struct virtio_device *vdev)
+ /* Disable interrupts for vqs */
+ vdev->config->reset(vdev);
+ /* Finish up work that's lined up */
+- cancel_work_sync(&portdev->control_work);
++ if (use_multiport(portdev))
++ cancel_work_sync(&portdev->control_work);
+
+ list_for_each_entry_safe(port, port2, &portdev->ports, list)
+ unplug_port(port);
+diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c
+index bc6f5fa..819dfda 100644
+--- a/drivers/dca/dca-core.c
++++ b/drivers/dca/dca-core.c
+@@ -420,6 +420,11 @@ void unregister_dca_provider(struct dca_provider *dca, struct device *dev)
+
+ raw_spin_lock_irqsave(&dca_lock, flags);
+
++ if (list_empty(&dca_domains)) {
++ raw_spin_unlock_irqrestore(&dca_lock, flags);
++ return;
++ }
++
+ list_del(&dca->node);
+
+ pci_rc = dca_pci_rc_from_dev(dev);
+diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
+index f7f1dc6..ed0e8b7 100644
+--- a/drivers/dma/ioat/dma_v3.c
++++ b/drivers/dma/ioat/dma_v3.c
+@@ -951,7 +951,7 @@ static int __devinit ioat_xor_val_self_test(struct ioatdma_device *device)
+ goto free_resources;
+ }
+ }
+- dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_TO_DEVICE);
++ dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_FROM_DEVICE);
+
+ /* skip validate if the capability is not present */
+ if (!dma_has_cap(DMA_XOR_VAL, dma_chan->device->cap_mask))
+diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
+index e164c55..1bfb207 100644
+--- a/drivers/edac/edac_pci_sysfs.c
++++ b/drivers/edac/edac_pci_sysfs.c
+@@ -256,7 +256,7 @@ static ssize_t edac_pci_dev_store(struct kobject *kobj,
+ struct edac_pci_dev_attribute *edac_pci_dev;
+ edac_pci_dev = (struct edac_pci_dev_attribute *)attr;
+
+- if (edac_pci_dev->show)
++ if (edac_pci_dev->store)
+ return edac_pci_dev->store(edac_pci_dev->value, buffer, count);
+ return -EIO;
+ }
+diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
+index 7a05fd2..841c78d 100644
+--- a/drivers/firewire/core-device.c
++++ b/drivers/firewire/core-device.c
+@@ -1019,6 +1019,10 @@ static void fw_device_init(struct work_struct *work)
+ ret = idr_pre_get(&fw_device_idr, GFP_KERNEL) ?
+ idr_get_new(&fw_device_idr, device, &minor) :
+ -ENOMEM;
++ if (minor >= 1 << MINORBITS) {
++ idr_remove(&fw_device_idr, minor);
++ minor = -ENOSPC;
++ }
+ up_write(&fw_device_rwsem);
+
+ if (ret < 0)
+diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c
+index 08c6749..638e1f7 100644
+--- a/drivers/firewire/net.c
++++ b/drivers/firewire/net.c
+@@ -861,8 +861,8 @@ static void fwnet_receive_broadcast(struct fw_iso_context *context,
+ if (specifier_id == IANA_SPECIFIER_ID && ver == RFC2734_SW_VERSION) {
+ buf_ptr += 2;
+ length -= IEEE1394_GASP_HDR_SIZE;
+- fwnet_incoming_packet(dev, buf_ptr, length,
+- source_node_id, -1, true);
++ fwnet_incoming_packet(dev, buf_ptr, length, source_node_id,
++ context->card->generation, true);
+ }
+
+ packet.payload_length = dev->rcv_buffer_size;
+@@ -958,7 +958,12 @@ static void fwnet_transmit_packet_done(struct fwnet_packet_task *ptask)
+ break;
+ }
+
+- skb_pull(skb, ptask->max_payload);
++ if (ptask->dest_node == IEEE1394_ALL_NODES) {
++ skb_pull(skb,
++ ptask->max_payload + IEEE1394_GASP_HDR_SIZE);
++ } else {
++ skb_pull(skb, ptask->max_payload);
++ }
+ if (ptask->outstanding_pkts > 1) {
+ fwnet_make_sf_hdr(&ptask->hdr, RFC2374_HDR_INTFRAG,
+ dg_size, fg_off, datagram_label);
+@@ -1062,7 +1067,7 @@ static int fwnet_send_packet(struct fwnet_packet_task *ptask)
+ smp_rmb();
+ node_id = dev->card->node_id;
+
+- p = skb_push(ptask->skb, 8);
++ p = skb_push(ptask->skb, IEEE1394_GASP_HDR_SIZE);
+ put_unaligned_be32(node_id << 16 | IANA_SPECIFIER_ID >> 8, p);
+ put_unaligned_be32((IANA_SPECIFIER_ID & 0xff) << 24
+ | RFC2734_SW_VERSION, &p[4]);
+diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
+index b298158..982f1f5 100644
+--- a/drivers/firmware/dmi_scan.c
++++ b/drivers/firmware/dmi_scan.c
+@@ -16,6 +16,7 @@
+ */
+ static char dmi_empty_string[] = " ";
+
++static u16 __initdata dmi_ver;
+ /*
+ * Catch too early calls to dmi_check_system():
+ */
+@@ -118,12 +119,12 @@ static int __init dmi_walk_early(void (*decode)(const struct dmi_header *,
+ return 0;
+ }
+
+-static int __init dmi_checksum(const u8 *buf)
++static int __init dmi_checksum(const u8 *buf, u8 len)
+ {
+ u8 sum = 0;
+ int a;
+
+- for (a = 0; a < 15; a++)
++ for (a = 0; a < len; a++)
+ sum += buf[a];
+
+ return sum == 0;
+@@ -161,8 +162,10 @@ static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, int inde
+ return;
+
+ for (i = 0; i < 16 && (is_ff || is_00); i++) {
+- if(d[i] != 0x00) is_ff = 0;
+- if(d[i] != 0xFF) is_00 = 0;
++ if (d[i] != 0x00)
++ is_00 = 0;
++ if (d[i] != 0xFF)
++ is_ff = 0;
+ }
+
+ if (is_ff || is_00)
+@@ -172,7 +175,15 @@ static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, int inde
+ if (!s)
+ return;
+
+- sprintf(s, "%pUB", d);
++ /*
++ * As of version 2.6 of the SMBIOS specification, the first 3 fields of
++ * the UUID are supposed to be little-endian encoded. The specification
++ * says that this is the defacto standard.
++ */
++ if (dmi_ver >= 0x0206)
++ sprintf(s, "%pUL", d);
++ else
++ sprintf(s, "%pUB", d);
+
+ dmi_ident[slot] = s;
+ }
+@@ -404,35 +415,63 @@ static int __init dmi_present(const char __iomem *p)
+ u8 buf[15];
+
+ memcpy_fromio(buf, p, 15);
+- if ((memcmp(buf, "_DMI_", 5) == 0) && dmi_checksum(buf)) {
++ if (dmi_checksum(buf, 15)) {
+ dmi_num = (buf[13] << 8) | buf[12];
+ dmi_len = (buf[7] << 8) | buf[6];
+ dmi_base = (buf[11] << 24) | (buf[10] << 16) |
+ (buf[9] << 8) | buf[8];
+
+- /*
+- * DMI version 0.0 means that the real version is taken from
+- * the SMBIOS version, which we don't know at this point.
+- */
+- if (buf[14] != 0)
+- printk(KERN_INFO "DMI %d.%d present.\n",
+- buf[14] >> 4, buf[14] & 0xF);
+- else
+- printk(KERN_INFO "DMI present.\n");
+ if (dmi_walk_early(dmi_decode) == 0) {
++ if (dmi_ver)
++ pr_info("SMBIOS %d.%d present.\n",
++ dmi_ver >> 8, dmi_ver & 0xFF);
++ else {
++ dmi_ver = (buf[14] & 0xF0) << 4 |
++ (buf[14] & 0x0F);
++ pr_info("Legacy DMI %d.%d present.\n",
++ dmi_ver >> 8, dmi_ver & 0xFF);
++ }
+ dmi_dump_ids();
+ return 0;
+ }
+ }
++ dmi_ver = 0;
+ return 1;
+ }
+
++static int __init smbios_present(const char __iomem *p)
++{
++ u8 buf[32];
++ int offset = 0;
++
++ memcpy_fromio(buf, p, 32);
++ if ((buf[5] < 32) && dmi_checksum(buf, buf[5])) {
++ dmi_ver = (buf[6] << 8) + buf[7];
++
++ /* Some BIOS report weird SMBIOS version, fix that up */
++ switch (dmi_ver) {
++ case 0x021F:
++ case 0x0221:
++ pr_debug("SMBIOS version fixup(2.%d->2.%d)\n",
++ dmi_ver & 0xFF, 3);
++ dmi_ver = 0x0203;
++ break;
++ case 0x0233:
++ pr_debug("SMBIOS version fixup(2.%d->2.%d)\n", 51, 6);
++ dmi_ver = 0x0206;
++ break;
++ }
++ offset = 16;
++ }
++ return dmi_present(buf + offset);
++}
++
+ void __init dmi_scan_machine(void)
+ {
+ char __iomem *p, *q;
+ int rc;
+
+- if (efi_enabled) {
++ if (efi_enabled(EFI_CONFIG_TABLES)) {
+ if (efi.smbios == EFI_INVALID_TABLE_ADDR)
+ goto error;
+
+@@ -444,7 +483,7 @@ void __init dmi_scan_machine(void)
+ if (p == NULL)
+ goto error;
+
+- rc = dmi_present(p + 0x10); /* offset of _DMI_ string */
++ rc = smbios_present(p);
+ dmi_iounmap(p, 32);
+ if (!rc) {
+ dmi_available = 1;
+@@ -462,7 +501,12 @@ void __init dmi_scan_machine(void)
+ goto error;
+
+ for (q = p; q < p + 0x10000; q += 16) {
+- rc = dmi_present(q);
++ if (memcmp(q, "_SM_", 4) == 0 && q - p <= 0xFFE0)
++ rc = smbios_present(q);
++ else if (memcmp(q, "_DMI_", 5) == 0)
++ rc = dmi_present(q);
++ else
++ continue;
+ if (!rc) {
+ dmi_available = 1;
+ dmi_iounmap(p, 0x10000);
+diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
+index d10c987..bfd8f43 100644
+--- a/drivers/firmware/efivars.c
++++ b/drivers/firmware/efivars.c
+@@ -1224,7 +1224,7 @@ efivars_init(void)
+ printk(KERN_INFO "EFI Variables Facility v%s %s\n", EFIVARS_VERSION,
+ EFIVARS_DATE);
+
+- if (!efi_enabled)
++ if (!efi_enabled(EFI_RUNTIME_SERVICES))
+ return 0;
+
+ /* For now we'll register the efi directory at /sys/firmware/efi */
+@@ -1262,7 +1262,7 @@ err_put:
+ static void __exit
+ efivars_exit(void)
+ {
+- if (efi_enabled) {
++ if (efi_enabled(EFI_RUNTIME_SERVICES)) {
+ unregister_efivars(&__efivars);
+ kobject_put(efi_kobj);
+ }
+diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c
+index 4da4eb9..2224f1d 100644
+--- a/drivers/firmware/iscsi_ibft_find.c
++++ b/drivers/firmware/iscsi_ibft_find.c
+@@ -99,7 +99,7 @@ unsigned long __init find_ibft_region(unsigned long *sizep)
+ /* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will
+ * only use ACPI for this */
+
+- if (!efi_enabled)
++ if (!efi_enabled(EFI_BOOT))
+ find_ibft_in_mem();
+
+ if (ibft_addr) {
+diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
+index af81f77..3859f43 100644
+--- a/drivers/gpu/drm/drm_crtc.c
++++ b/drivers/gpu/drm/drm_crtc.c
+@@ -2023,7 +2023,7 @@ uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth)
+
+ switch (bpp) {
+ case 8:
+- fmt = DRM_FORMAT_RGB332;
++ fmt = DRM_FORMAT_C8;
+ break;
+ case 16:
+ if (depth == 15)
+@@ -3633,6 +3633,7 @@ void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
+ int *bpp)
+ {
+ switch (format) {
++ case DRM_FORMAT_C8:
+ case DRM_FORMAT_RGB332:
+ case DRM_FORMAT_BGR233:
+ *depth = 8;
+diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
+index b7ee230..7906edd 100644
+--- a/drivers/gpu/drm/drm_edid.c
++++ b/drivers/gpu/drm/drm_edid.c
+@@ -1924,7 +1924,8 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
+ num_modes += add_cvt_modes(connector, edid);
+ num_modes += add_standard_modes(connector, edid);
+ num_modes += add_established_modes(connector, edid);
+- num_modes += add_inferred_modes(connector, edid);
++ if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
++ num_modes += add_inferred_modes(connector, edid);
+ num_modes += add_cea_modes(connector, edid);
+
+ if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
+diff --git a/drivers/gpu/drm/drm_usb.c b/drivers/gpu/drm/drm_usb.c
+index 37c9a52..767782a 100644
+--- a/drivers/gpu/drm/drm_usb.c
++++ b/drivers/gpu/drm/drm_usb.c
+@@ -18,7 +18,7 @@ int drm_get_usb_dev(struct usb_interface *interface,
+
+ usbdev = interface_to_usbdev(interface);
+ dev->usbdev = usbdev;
+- dev->dev = &usbdev->dev;
++ dev->dev = &interface->dev;
+
+ mutex_lock(&drm_global_mutex);
+
+diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+index cdf46b5..d8bb392 100644
+--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
++++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+@@ -749,6 +749,8 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
+ total = 0;
+ for (i = 0; i < count; i++) {
+ struct drm_i915_gem_relocation_entry __user *user_relocs;
++ u64 invalid_offset = (u64)-1;
++ int j;
+
+ user_relocs = (void __user *)(uintptr_t)exec[i].relocs_ptr;
+
+@@ -759,6 +761,25 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
+ goto err;
+ }
+
++ /* As we do not update the known relocation offsets after
++ * relocating (due to the complexities in lock handling),
++ * we need to mark them as invalid now so that we force the
++ * relocation processing next time. Just in case the target
++ * object is evicted and then rebound into its old
++ * presumed_offset before the next execbuffer - if that
++ * happened we would make the mistake of assuming that the
++ * relocations were valid.
++ */
++ for (j = 0; j < exec[i].relocation_count; j++) {
++ if (copy_to_user(&user_relocs[j].presumed_offset,
++ &invalid_offset,
++ sizeof(invalid_offset))) {
++ ret = -EFAULT;
++ mutex_lock(&dev->struct_mutex);
++ goto err;
++ }
++ }
++
+ reloc_offset[i] = total;
+ total += exec[i].relocation_count;
+ }
+diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
+index f02cfad..380e7da 100644
+--- a/drivers/gpu/drm/i915/i915_reg.h
++++ b/drivers/gpu/drm/i915/i915_reg.h
+@@ -506,6 +506,7 @@
+ * the enables for writing to the corresponding low bit.
+ */
+ #define _3D_CHICKEN 0x02084
++#define _3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB (1 << 10)
+ #define _3D_CHICKEN2 0x0208c
+ /* Disables pipelining of read flushes past the SF-WIZ interface.
+ * Required on all Ironlake steppings according to the B-Spec, but the
+@@ -3274,6 +3275,8 @@
+ #define _PFA_CTL_1 0x68080
+ #define _PFB_CTL_1 0x68880
+ #define PF_ENABLE (1<<31)
++#define PF_PIPE_SEL_MASK_IVB (3<<29)
++#define PF_PIPE_SEL_IVB(pipe) ((pipe)<<29)
+ #define PF_FILTER_MASK (3<<23)
+ #define PF_FILTER_PROGRAMMED (0<<23)
+ #define PF_FILTER_MED_3x3 (1<<23)
+diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
+index 0777c79..3098027 100644
+--- a/drivers/gpu/drm/i915/intel_display.c
++++ b/drivers/gpu/drm/i915/intel_display.c
+@@ -146,8 +146,8 @@ static const intel_limit_t intel_limits_i9xx_sdvo = {
+ .vco = { .min = 1400000, .max = 2800000 },
+ .n = { .min = 1, .max = 6 },
+ .m = { .min = 70, .max = 120 },
+- .m1 = { .min = 10, .max = 22 },
+- .m2 = { .min = 5, .max = 9 },
++ .m1 = { .min = 8, .max = 18 },
++ .m2 = { .min = 3, .max = 7 },
+ .p = { .min = 5, .max = 80 },
+ .p1 = { .min = 1, .max = 8 },
+ .p2 = { .dot_limit = 200000,
+@@ -2347,18 +2347,6 @@ static void intel_fdi_normal_train(struct drm_crtc *crtc)
+ FDI_FE_ERRC_ENABLE);
+ }
+
+-static void cpt_phase_pointer_enable(struct drm_device *dev, int pipe)
+-{
+- struct drm_i915_private *dev_priv = dev->dev_private;
+- u32 flags = I915_READ(SOUTH_CHICKEN1);
+-
+- flags |= FDI_PHASE_SYNC_OVR(pipe);
+- I915_WRITE(SOUTH_CHICKEN1, flags); /* once to unlock... */
+- flags |= FDI_PHASE_SYNC_EN(pipe);
+- I915_WRITE(SOUTH_CHICKEN1, flags); /* then again to enable */
+- POSTING_READ(SOUTH_CHICKEN1);
+-}
+-
+ /* The FDI link training functions for ILK/Ibexpeak. */
+ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
+ {
+@@ -2509,9 +2497,6 @@ static void gen6_fdi_link_train(struct drm_crtc *crtc)
+ POSTING_READ(reg);
+ udelay(150);
+
+- if (HAS_PCH_CPT(dev))
+- cpt_phase_pointer_enable(dev, pipe);
+-
+ for (i = 0; i < 4; i++) {
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
+@@ -2638,9 +2623,6 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc)
+ POSTING_READ(reg);
+ udelay(150);
+
+- if (HAS_PCH_CPT(dev))
+- cpt_phase_pointer_enable(dev, pipe);
+-
+ for (i = 0; i < 4; i++) {
+ reg = FDI_TX_CTL(pipe);
+ temp = I915_READ(reg);
+@@ -2754,17 +2736,6 @@ static void ironlake_fdi_pll_enable(struct drm_crtc *crtc)
+ }
+ }
+
+-static void cpt_phase_pointer_disable(struct drm_device *dev, int pipe)
+-{
+- struct drm_i915_private *dev_priv = dev->dev_private;
+- u32 flags = I915_READ(SOUTH_CHICKEN1);
+-
+- flags &= ~(FDI_PHASE_SYNC_EN(pipe));
+- I915_WRITE(SOUTH_CHICKEN1, flags); /* once to disable... */
+- flags &= ~(FDI_PHASE_SYNC_OVR(pipe));
+- I915_WRITE(SOUTH_CHICKEN1, flags); /* then again to lock */
+- POSTING_READ(SOUTH_CHICKEN1);
+-}
+ static void ironlake_fdi_disable(struct drm_crtc *crtc)
+ {
+ struct drm_device *dev = crtc->dev;
+@@ -2794,8 +2765,6 @@ static void ironlake_fdi_disable(struct drm_crtc *crtc)
+ I915_WRITE(FDI_RX_CHICKEN(pipe),
+ I915_READ(FDI_RX_CHICKEN(pipe) &
+ ~FDI_RX_PHASE_SYNC_POINTER_EN));
+- } else if (HAS_PCH_CPT(dev)) {
+- cpt_phase_pointer_disable(dev, pipe);
+ }
+
+ /* still set train pattern 1 */
+@@ -3233,7 +3202,11 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
+ * as some pre-programmed values are broken,
+ * e.g. x201.
+ */
+- I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3);
++ if (IS_IVYBRIDGE(dev))
++ I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 |
++ PF_PIPE_SEL_IVB(pipe));
++ else
++ I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3);
+ I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos);
+ I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size);
+ }
+@@ -3435,6 +3408,7 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ int pipe = intel_crtc->pipe;
+ int plane = intel_crtc->plane;
++ u32 pctl;
+
+ if (!intel_crtc->active)
+ return;
+@@ -3450,6 +3424,13 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
+
+ intel_disable_plane(dev_priv, plane, pipe);
+ intel_disable_pipe(dev_priv, pipe);
++
++ /* Disable pannel fitter if it is on this pipe. */
++ pctl = I915_READ(PFIT_CONTROL);
++ if ((pctl & PFIT_ENABLE) &&
++ ((pctl & PFIT_PIPE_MASK) >> PFIT_PIPE_SHIFT) == pipe)
++ I915_WRITE(PFIT_CONTROL, 0);
++
+ intel_disable_pll(dev_priv, pipe);
+
+ intel_crtc->active = false;
+diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
+index 0c52448..2e6448c 100644
+--- a/drivers/gpu/drm/i915/intel_lvds.c
++++ b/drivers/gpu/drm/i915/intel_lvds.c
+@@ -774,14 +774,6 @@ static const struct dmi_system_id intel_no_lvds[] = {
+ },
+ {
+ .callback = intel_no_lvds_dmi_callback,
+- .ident = "ZOTAC ZBOXSD-ID12/ID13",
+- .matches = {
+- DMI_MATCH(DMI_BOARD_VENDOR, "ZOTAC"),
+- DMI_MATCH(DMI_BOARD_NAME, "ZBOXSD-ID12/ID13"),
+- },
+- },
+- {
+- .callback = intel_no_lvds_dmi_callback,
+ .ident = "Gigabyte GA-D525TUD",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co., Ltd."),
+diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
+index c23c9ea..572b2ca 100644
+--- a/drivers/gpu/drm/i915/intel_pm.c
++++ b/drivers/gpu/drm/i915/intel_pm.c
+@@ -3324,6 +3324,10 @@ static void gen6_init_clock_gating(struct drm_device *dev)
+ I915_READ(ILK_DISPLAY_CHICKEN2) |
+ ILK_ELPIN_409_SELECT);
+
++ /* WaDisableHiZPlanesWhenMSAAEnabled */
++ I915_WRITE(_3D_CHICKEN,
++ _MASKED_BIT_ENABLE(_3D_CHICKEN_HIZ_PLANE_DISABLE_MSAA_4X_SNB));
++
+ I915_WRITE(WM3_LP_ILK, 0);
+ I915_WRITE(WM2_LP_ILK, 0);
+ I915_WRITE(WM1_LP_ILK, 0);
+diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c
+index 89640f2..2b59f41 100644
+--- a/drivers/gpu/drm/nouveau/nv04_dfp.c
++++ b/drivers/gpu/drm/nouveau/nv04_dfp.c
+@@ -504,7 +504,7 @@ static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode)
+
+ static inline bool is_powersaving_dpms(int mode)
+ {
+- return (mode != DRM_MODE_DPMS_ON);
++ return mode != DRM_MODE_DPMS_ON && mode != NV_DPMS_CLEARED;
+ }
+
+ static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode)
+diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
+index 2817101..9bd3015 100644
+--- a/drivers/gpu/drm/radeon/atombios_crtc.c
++++ b/drivers/gpu/drm/radeon/atombios_crtc.c
+@@ -258,8 +258,6 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
+ radeon_crtc->enabled = true;
+ /* adjust pm to dpms changes BEFORE enabling crtcs */
+ radeon_pm_compute_clocks(rdev);
+- if (ASIC_IS_DCE6(rdev) && !radeon_crtc->in_mode_set)
+- atombios_powergate_crtc(crtc, ATOM_DISABLE);
+ atombios_enable_crtc(crtc, ATOM_ENABLE);
+ if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
+ atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
+@@ -277,8 +275,6 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
+ atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
+ atombios_enable_crtc(crtc, ATOM_DISABLE);
+ radeon_crtc->enabled = false;
+- if (ASIC_IS_DCE6(rdev) && !radeon_crtc->in_mode_set)
+- atombios_powergate_crtc(crtc, ATOM_ENABLE);
+ /* adjust pm to dpms changes AFTER disabling crtcs */
+ radeon_pm_compute_clocks(rdev);
+ break;
+@@ -1667,6 +1663,8 @@ static void atombios_crtc_disable(struct drm_crtc *crtc)
+ int i;
+
+ atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
++ if (ASIC_IS_DCE6(rdev))
++ atombios_powergate_crtc(crtc, ATOM_ENABLE);
+
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (rdev->mode_info.crtcs[i] &&
+diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
+index 2eb418e..e53a91b 100644
+--- a/drivers/gpu/drm/radeon/atombios_encoders.c
++++ b/drivers/gpu/drm/radeon/atombios_encoders.c
+@@ -95,7 +95,7 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
+ ((radeon_encoder->active_device & (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
+ (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE))) {
+ struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
+- radeon_dp_set_link_config(connector, mode);
++ radeon_dp_set_link_config(connector, adjusted_mode);
+ }
+
+ return true;
+diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
+index 5528fea..8f0ce47 100644
+--- a/drivers/gpu/drm/radeon/evergreen.c
++++ b/drivers/gpu/drm/radeon/evergreen.c
+@@ -1259,14 +1259,18 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
+ if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
+ radeon_wait_for_vblank(rdev, i);
+ tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
++ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
++ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
+ }
+ } else {
+ tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
+ if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
+ radeon_wait_for_vblank(rdev, i);
+ tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
++ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
++ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
+ }
+ }
+ /* wait for the next frame */
+@@ -1291,6 +1295,8 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
+ blackout &= ~BLACKOUT_MODE_MASK;
+ WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
+ }
++ /* wait for the MC to settle */
++ udelay(100);
+ }
+
+ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
+@@ -1324,11 +1330,15 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s
+ if (ASIC_IS_DCE6(rdev)) {
+ tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
+ tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
++ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
++ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
+ } else {
+ tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
+ tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
++ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
+ WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
++ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
+ }
+ /* wait for the next frame */
+ frame_count = radeon_get_vblank_counter(rdev, i);
+diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
+index 4a33cdc..bf849ea 100644
+--- a/drivers/gpu/drm/radeon/evergreen_cs.c
++++ b/drivers/gpu/drm/radeon/evergreen_cs.c
+@@ -2724,6 +2724,7 @@ static bool evergreen_vm_reg_valid(u32 reg)
+
+ /* check config regs */
+ switch (reg) {
++ case WAIT_UNTIL:
+ case GRBM_GFX_INDEX:
+ case CP_STRMOUT_CNTL:
+ case CP_COHER_CNTL:
+diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
+index f75247d..33d3975 100644
+--- a/drivers/gpu/drm/radeon/radeon_combios.c
++++ b/drivers/gpu/drm/radeon/radeon_combios.c
+@@ -2419,6 +2419,14 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
+ 1),
+ ATOM_DEVICE_CRT1_SUPPORT);
+ }
++ /* RV100 board with external TDMS bit mis-set.
++ * Actually uses internal TMDS, clear the bit.
++ */
++ if (dev->pdev->device == 0x5159 &&
++ dev->pdev->subsystem_vendor == 0x1014 &&
++ dev->pdev->subsystem_device == 0x029A) {
++ tmp &= ~(1 << 4);
++ }
+ if ((tmp >> 4) & 0x1) {
+ devices |= ATOM_DEVICE_DFP2_SUPPORT;
+ radeon_add_legacy_encoder(dev,
+diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
+index 895e628..a7e797c 100644
+--- a/drivers/gpu/drm/radeon/radeon_connectors.c
++++ b/drivers/gpu/drm/radeon/radeon_connectors.c
+@@ -745,7 +745,7 @@ radeon_vga_detect(struct drm_connector *connector, bool force)
+ ret = connector_status_disconnected;
+
+ if (radeon_connector->ddc_bus)
+- dret = radeon_ddc_probe(radeon_connector);
++ dret = radeon_ddc_probe(radeon_connector, false);
+ if (dret) {
+ radeon_connector->detected_by_load = false;
+ if (radeon_connector->edid) {
+@@ -951,7 +951,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
+ return connector->status;
+
+ if (radeon_connector->ddc_bus)
+- dret = radeon_ddc_probe(radeon_connector);
++ dret = radeon_ddc_probe(radeon_connector, false);
+ if (dret) {
+ radeon_connector->detected_by_load = false;
+ if (radeon_connector->edid) {
+@@ -1391,7 +1391,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
+ if (encoder) {
+ /* setup ddc on the bridge */
+ radeon_atom_ext_encoder_setup_ddc(encoder);
+- if (radeon_ddc_probe(radeon_connector)) /* try DDC */
++ /* bridge chips are always aux */
++ if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
+ ret = connector_status_connected;
+ else if (radeon_connector->dac_load_detect) { /* try load detection */
+ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
+@@ -1409,7 +1410,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
+ if (radeon_dp_getdpcd(radeon_connector))
+ ret = connector_status_connected;
+ } else {
+- if (radeon_ddc_probe(radeon_connector))
++ /* try non-aux ddc (DP to DVI/HMDI/etc. adapter) */
++ if (radeon_ddc_probe(radeon_connector, false))
+ ret = connector_status_connected;
+ }
+ }
+diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
+index 8794744..f1b951d 100644
+--- a/drivers/gpu/drm/radeon/radeon_cursor.c
++++ b/drivers/gpu/drm/radeon/radeon_cursor.c
+@@ -240,7 +240,8 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
+ y = 0;
+ }
+
+- if (ASIC_IS_AVIVO(rdev)) {
++ /* fixed on DCE6 and newer */
++ if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) {
+ int i = 0;
+ struct drm_crtc *crtc_p;
+
+diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
+index 7a3daeb..9d9bf5f 100644
+--- a/drivers/gpu/drm/radeon/radeon_device.c
++++ b/drivers/gpu/drm/radeon/radeon_device.c
+@@ -427,7 +427,8 @@ bool radeon_card_posted(struct radeon_device *rdev)
+ {
+ uint32_t reg;
+
+- if (efi_enabled && rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE)
++ if (efi_enabled(EFI_BOOT) &&
++ rdev->pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE)
+ return false;
+
+ /* first check CRTCs */
+diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
+index 7ddef8f..06a31cf 100644
+--- a/drivers/gpu/drm/radeon/radeon_display.c
++++ b/drivers/gpu/drm/radeon/radeon_display.c
+@@ -695,10 +695,15 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
+ if (radeon_connector->router.ddc_valid)
+ radeon_router_select_ddc_port(radeon_connector);
+
+- if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
+- (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) ||
+- (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) !=
+- ENCODER_OBJECT_ID_NONE)) {
++ if (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) !=
++ ENCODER_OBJECT_ID_NONE) {
++ struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
++
++ if (dig->dp_i2c_bus)
++ radeon_connector->edid = drm_get_edid(&radeon_connector->base,
++ &dig->dp_i2c_bus->adapter);
++ } else if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
++ (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) {
+ struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
+
+ if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
+@@ -1106,14 +1111,16 @@ radeon_user_framebuffer_create(struct drm_device *dev,
+ }
+
+ radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
+- if (radeon_fb == NULL)
++ if (radeon_fb == NULL) {
++ drm_gem_object_unreference_unlocked(obj);
+ return ERR_PTR(-ENOMEM);
++ }
+
+ ret = radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj);
+ if (ret) {
+ kfree(radeon_fb);
+ drm_gem_object_unreference_unlocked(obj);
+- return NULL;
++ return ERR_PTR(ret);
+ }
+
+ return &radeon_fb->base;
+diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
+index 3edec1c..6076e85 100644
+--- a/drivers/gpu/drm/radeon/radeon_i2c.c
++++ b/drivers/gpu/drm/radeon/radeon_i2c.c
+@@ -39,7 +39,7 @@ extern u32 radeon_atom_hw_i2c_func(struct i2c_adapter *adap);
+ * radeon_ddc_probe
+ *
+ */
+-bool radeon_ddc_probe(struct radeon_connector *radeon_connector)
++bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux)
+ {
+ u8 out = 0x0;
+ u8 buf[8];
+@@ -63,7 +63,13 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector)
+ if (radeon_connector->router.ddc_valid)
+ radeon_router_select_ddc_port(radeon_connector);
+
+- ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2);
++ if (use_aux) {
++ struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
++ ret = i2c_transfer(&dig->dp_i2c_bus->adapter, msgs, 2);
++ } else {
++ ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2);
++ }
++
+ if (ret != 2)
+ /* Couldn't find an accessible DDC on this connector */
+ return false;
+diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+index dd402bb..9633dbb 100644
+--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
++++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+@@ -618,6 +618,14 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc
+ enum drm_connector_status found = connector_status_disconnected;
+ bool color = true;
+
++ /* just don't bother on RN50 those chip are often connected to remoting
++ * console hw and often we get failure to load detect those. So to make
++ * everyone happy report the encoder as always connected.
++ */
++ if (ASIC_IS_RN50(rdev)) {
++ return connector_status_connected;
++ }
++
+ /* save the regs we need */
+ vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL);
+ crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
+diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
+index d569789..485d16e 100644
+--- a/drivers/gpu/drm/radeon/radeon_mode.h
++++ b/drivers/gpu/drm/radeon/radeon_mode.h
+@@ -534,7 +534,7 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
+ u8 val);
+ extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
+ extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
+-extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
++extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux);
+ extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
+
+ extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector);
+diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
+index 43c431a..f2017fc 100644
+--- a/drivers/gpu/drm/radeon/radeon_ring.c
++++ b/drivers/gpu/drm/radeon/radeon_ring.c
+@@ -361,6 +361,9 @@ int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *ring, unsi
+ {
+ int r;
+
++ /* make sure we aren't trying to allocate more space than there is on the ring */
++ if (ndw > (ring->ring_size / 4))
++ return -ENOMEM;
+ /* Align requested size with padding so unlock_commit can
+ * pad safely */
+ ndw = (ndw + ring->align_mask) & ~ring->align_mask;
+diff --git a/drivers/gpu/drm/radeon/reg_srcs/cayman b/drivers/gpu/drm/radeon/reg_srcs/cayman
+index 0f656b1..a072fa8 100644
+--- a/drivers/gpu/drm/radeon/reg_srcs/cayman
++++ b/drivers/gpu/drm/radeon/reg_srcs/cayman
+@@ -1,5 +1,6 @@
+ cayman 0x9400
+ 0x0000802C GRBM_GFX_INDEX
++0x00008040 WAIT_UNTIL
+ 0x000084FC CP_STRMOUT_CNTL
+ 0x000085F0 CP_COHER_CNTL
+ 0x000085F4 CP_COHER_SIZE
+diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c
+index 8d9dc44..3234224 100644
+--- a/drivers/gpu/drm/udl/udl_connector.c
++++ b/drivers/gpu/drm/udl/udl_connector.c
+@@ -22,13 +22,17 @@
+ static u8 *udl_get_edid(struct udl_device *udl)
+ {
+ u8 *block;
+- char rbuf[3];
++ char *rbuf;
+ int ret, i;
+
+ block = kmalloc(EDID_LENGTH, GFP_KERNEL);
+ if (block == NULL)
+ return NULL;
+
++ rbuf = kmalloc(2, GFP_KERNEL);
++ if (rbuf == NULL)
++ goto error;
++
+ for (i = 0; i < EDID_LENGTH; i++) {
+ ret = usb_control_msg(udl->ddev->usbdev,
+ usb_rcvctrlpipe(udl->ddev->usbdev, 0), (0x02),
+@@ -36,16 +40,17 @@ static u8 *udl_get_edid(struct udl_device *udl)
+ HZ);
+ if (ret < 1) {
+ DRM_ERROR("Read EDID byte %d failed err %x\n", i, ret);
+- i--;
+ goto error;
+ }
+ block[i] = rbuf[1];
+ }
+
++ kfree(rbuf);
+ return block;
+
+ error:
+ kfree(block);
++ kfree(rbuf);
+ return NULL;
+ }
+
+@@ -59,6 +64,14 @@ static int udl_get_modes(struct drm_connector *connector)
+
+ connector->display_info.raw_edid = (char *)edid;
+
++ /*
++ * We only read the main block, but if the monitor reports extension
++ * blocks then the drm edid code expects them to be present, so patch
++ * the extension count to 0.
++ */
++ edid->checksum += edid->extensions;
++ edid->extensions = 0;
++
+ drm_mode_connector_update_edid_property(connector, edid);
+ ret = drm_add_edid_modes(connector, edid);
+ connector->display_info.raw_edid = NULL;
+diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h
+index 87aa5f5..cc6d90f 100644
+--- a/drivers/gpu/drm/udl/udl_drv.h
++++ b/drivers/gpu/drm/udl/udl_drv.h
+@@ -75,6 +75,8 @@ struct udl_framebuffer {
+ struct drm_framebuffer base;
+ struct udl_gem_object *obj;
+ bool active_16; /* active on the 16-bit channel */
++ int x1, y1, x2, y2; /* dirty rect */
++ spinlock_t dirty_lock;
+ };
+
+ #define to_udl_fb(x) container_of(x, struct udl_framebuffer, base)
+diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c
+index 6f6ca50..c9df873 100644
+--- a/drivers/gpu/drm/udl/udl_fb.c
++++ b/drivers/gpu/drm/udl/udl_fb.c
+@@ -22,9 +22,9 @@
+
+ #include "drm_fb_helper.h"
+
+-#define DL_DEFIO_WRITE_DELAY 5 /* fb_deferred_io.delay in jiffies */
++#define DL_DEFIO_WRITE_DELAY (HZ/20) /* fb_deferred_io.delay in jiffies */
+
+-static int fb_defio = 1; /* Optionally enable experimental fb_defio mmap support */
++static int fb_defio = 0; /* Optionally enable experimental fb_defio mmap support */
+ static int fb_bpp = 16;
+
+ module_param(fb_bpp, int, S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP);
+@@ -153,6 +153,9 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
+ struct urb *urb;
+ int aligned_x;
+ int bpp = (fb->base.bits_per_pixel / 8);
++ int x2, y2;
++ bool store_for_later = false;
++ unsigned long flags;
+
+ if (!fb->active_16)
+ return 0;
+@@ -169,8 +172,6 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
+ }
+ }
+
+- start_cycles = get_cycles();
+-
+ aligned_x = DL_ALIGN_DOWN(x, sizeof(unsigned long));
+ width = DL_ALIGN_UP(width + (x-aligned_x), sizeof(unsigned long));
+ x = aligned_x;
+@@ -180,19 +181,53 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
+ (y + height > fb->base.height))
+ return -EINVAL;
+
++ /* if we are in atomic just store the info
++ can't test inside spin lock */
++ if (in_atomic())
++ store_for_later = true;
++
++ x2 = x + width - 1;
++ y2 = y + height - 1;
++
++ spin_lock_irqsave(&fb->dirty_lock, flags);
++
++ if (fb->y1 < y)
++ y = fb->y1;
++ if (fb->y2 > y2)
++ y2 = fb->y2;
++ if (fb->x1 < x)
++ x = fb->x1;
++ if (fb->x2 > x2)
++ x2 = fb->x2;
++
++ if (store_for_later) {
++ fb->x1 = x;
++ fb->x2 = x2;
++ fb->y1 = y;
++ fb->y2 = y2;
++ spin_unlock_irqrestore(&fb->dirty_lock, flags);
++ return 0;
++ }
++
++ fb->x1 = fb->y1 = INT_MAX;
++ fb->x2 = fb->y2 = 0;
++
++ spin_unlock_irqrestore(&fb->dirty_lock, flags);
++ start_cycles = get_cycles();
++
+ urb = udl_get_urb(dev);
+ if (!urb)
+ return 0;
+ cmd = urb->transfer_buffer;
+
+- for (i = y; i < y + height ; i++) {
++ for (i = y; i <= y2 ; i++) {
+ const int line_offset = fb->base.pitches[0] * i;
+ const int byte_offset = line_offset + (x * bpp);
+ const int dev_byte_offset = (fb->base.width * bpp * i) + (x * bpp);
+ if (udl_render_hline(dev, bpp, &urb,
+ (char *) fb->obj->vmapping,
+ &cmd, byte_offset, dev_byte_offset,
+- width * bpp,
++ (x2 - x + 1) * bpp,
+ &bytes_identical, &bytes_sent))
+ goto error;
+ }
+@@ -417,6 +452,7 @@ udl_framebuffer_init(struct drm_device *dev,
+ {
+ int ret;
+
++ spin_lock_init(&ufb->dirty_lock);
+ ufb->obj = obj;
+ ret = drm_framebuffer_init(dev, &ufb->base, &udlfb_funcs);
+ drm_helper_mode_fill_fb_struct(&ufb->base, mode_cmd);
+diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
+index 5de3bb3..545eab4 100644
+--- a/drivers/hid/hid-core.c
++++ b/drivers/hid/hid-core.c
+@@ -1528,6 +1528,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
++ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
+@@ -2025,6 +2026,7 @@ static const struct hid_device_id hid_ignore_list[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
++ { HID_USB_DEVICE(USB_VENDOR_ID_MASTERKIT, USB_DEVICE_ID_MASTERKIT_MA901RADIO) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
+index ab8ce9f..1c8d114 100644
+--- a/drivers/hid/hid-ids.h
++++ b/drivers/hid/hid-ids.h
+@@ -536,6 +536,9 @@
+ #define USB_VENDOR_ID_MADCATZ 0x0738
+ #define USB_DEVICE_ID_MADCATZ_BEATPAD 0x4540
+
++#define USB_VENDOR_ID_MASTERKIT 0x16c0
++#define USB_DEVICE_ID_MASTERKIT_MA901RADIO 0x05df
++
+ #define USB_VENDOR_ID_MCC 0x09db
+ #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
+ #define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
+@@ -681,6 +684,9 @@
+ #define USB_VENDOR_ID_SIGMA_MICRO 0x1c4f
+ #define USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD 0x0002
+
++#define USB_VENDOR_ID_SIGMATEL 0x066F
++#define USB_DEVICE_ID_SIGMATEL_STMP3780 0x3780
++
+ #define USB_VENDOR_ID_SKYCABLE 0x1223
+ #define USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER 0x3F07
+
+diff --git a/drivers/hid/hid-wiimote-ext.c b/drivers/hid/hid-wiimote-ext.c
+index 0a1805c..ef59c84 100644
+--- a/drivers/hid/hid-wiimote-ext.c
++++ b/drivers/hid/hid-wiimote-ext.c
+@@ -378,14 +378,14 @@ static void handler_nunchuck(struct wiimote_ext *ext, const __u8 *payload)
+
+ if (ext->motionp) {
+ input_report_key(ext->input,
+- wiiext_keymap[WIIEXT_KEY_Z], !!(payload[5] & 0x04));
++ wiiext_keymap[WIIEXT_KEY_Z], !(payload[5] & 0x04));
+ input_report_key(ext->input,
+- wiiext_keymap[WIIEXT_KEY_C], !!(payload[5] & 0x08));
++ wiiext_keymap[WIIEXT_KEY_C], !(payload[5] & 0x08));
+ } else {
+ input_report_key(ext->input,
+- wiiext_keymap[WIIEXT_KEY_Z], !!(payload[5] & 0x01));
++ wiiext_keymap[WIIEXT_KEY_Z], !(payload[5] & 0x01));
+ input_report_key(ext->input,
+- wiiext_keymap[WIIEXT_KEY_C], !!(payload[5] & 0x02));
++ wiiext_keymap[WIIEXT_KEY_C], !(payload[5] & 0x02));
+ }
+
+ input_sync(ext->input);
+diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
+index 8865fa3..eb55cef 100644
+--- a/drivers/hid/usbhid/hid-quirks.c
++++ b/drivers/hid/usbhid/hid-quirks.c
+@@ -79,6 +79,7 @@ static const struct hid_blacklist {
+ { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB, HID_QUIRK_NOGET },
++ { USB_VENDOR_ID_SIGMATEL, USB_DEVICE_ID_SIGMATEL_STMP3780, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET },
+ { USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET },
+diff --git a/drivers/hwmon/lm73.c b/drivers/hwmon/lm73.c
+index 8fa2632..7272176 100644
+--- a/drivers/hwmon/lm73.c
++++ b/drivers/hwmon/lm73.c
+@@ -49,6 +49,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da,
+ struct i2c_client *client = to_i2c_client(dev);
+ long temp;
+ short value;
++ s32 err;
+
+ int status = kstrtol(buf, 10, &temp);
+ if (status < 0)
+@@ -57,8 +58,8 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da,
+ /* Write value */
+ value = (short) SENSORS_LIMIT(temp/250, (LM73_TEMP_MIN*4),
+ (LM73_TEMP_MAX*4)) << 5;
+- i2c_smbus_write_word_swapped(client, attr->index, value);
+- return count;
++ err = i2c_smbus_write_word_swapped(client, attr->index, value);
++ return (err < 0) ? err : count;
+ }
+
+ static ssize_t show_temp(struct device *dev, struct device_attribute *da,
+@@ -66,11 +67,16 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *da,
+ {
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ struct i2c_client *client = to_i2c_client(dev);
++ int temp;
++
++ s32 err = i2c_smbus_read_word_swapped(client, attr->index);
++ if (err < 0)
++ return err;
++
+ /* use integer division instead of equivalent right shift to
+ guarantee arithmetic shift and preserve the sign */
+- int temp = ((s16) (i2c_smbus_read_word_swapped(client,
+- attr->index))*250) / 32;
+- return sprintf(buf, "%d\n", temp);
++ temp = (((s16) err) * 250) / 32;
++ return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
+ }
+
+
+diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
+index c438e46..3f41d9f 100644
+--- a/drivers/infiniband/hw/nes/nes.h
++++ b/drivers/infiniband/hw/nes/nes.h
+@@ -524,6 +524,7 @@ void nes_iwarp_ce_handler(struct nes_device *, struct nes_hw_cq *);
+ int nes_destroy_cqp(struct nes_device *);
+ int nes_nic_cm_xmit(struct sk_buff *, struct net_device *);
+ void nes_recheck_link_status(struct work_struct *work);
++void nes_terminate_timeout(unsigned long context);
+
+ /* nes_nic.c */
+ struct net_device *nes_netdev_init(struct nes_device *, void __iomem *);
+diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
+index d42c9f4..96801c3 100644
+--- a/drivers/infiniband/hw/nes/nes_hw.c
++++ b/drivers/infiniband/hw/nes/nes_hw.c
+@@ -75,7 +75,6 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
+ static void process_critical_error(struct nes_device *nesdev);
+ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number);
+ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode);
+-static void nes_terminate_timeout(unsigned long context);
+ static void nes_terminate_start_timer(struct nes_qp *nesqp);
+
+ #ifdef CONFIG_INFINIBAND_NES_DEBUG
+@@ -3522,7 +3521,7 @@ static void nes_terminate_received(struct nes_device *nesdev,
+ }
+
+ /* Timeout routine in case terminate fails to complete */
+-static void nes_terminate_timeout(unsigned long context)
++void nes_terminate_timeout(unsigned long context)
+ {
+ struct nes_qp *nesqp = (struct nes_qp *)(unsigned long)context;
+
+@@ -3532,11 +3531,7 @@ static void nes_terminate_timeout(unsigned long context)
+ /* Set a timer in case hw cannot complete the terminate sequence */
+ static void nes_terminate_start_timer(struct nes_qp *nesqp)
+ {
+- init_timer(&nesqp->terminate_timer);
+- nesqp->terminate_timer.function = nes_terminate_timeout;
+- nesqp->terminate_timer.expires = jiffies + HZ;
+- nesqp->terminate_timer.data = (unsigned long)nesqp;
+- add_timer(&nesqp->terminate_timer);
++ mod_timer(&nesqp->terminate_timer, (jiffies + HZ));
+ }
+
+ /**
+diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
+index 8b8812d..da84ea3 100644
+--- a/drivers/infiniband/hw/nes/nes_verbs.c
++++ b/drivers/infiniband/hw/nes/nes_verbs.c
+@@ -1404,6 +1404,9 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
+ }
+
+ nesqp->sig_all = (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR);
++ init_timer(&nesqp->terminate_timer);
++ nesqp->terminate_timer.function = nes_terminate_timeout;
++ nesqp->terminate_timer.data = (unsigned long)nesqp;
+
+ /* update the QP table */
+ nesdev->nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = nesqp;
+@@ -1413,7 +1416,6 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
+ return &nesqp->ibqp;
+ }
+
+-
+ /**
+ * nes_clean_cq
+ */
+@@ -2559,6 +2561,11 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
+ return ibmr;
+ case IWNES_MEMREG_TYPE_QP:
+ case IWNES_MEMREG_TYPE_CQ:
++ if (!region->length) {
++ nes_debug(NES_DBG_MR, "Unable to register zero length region for CQ\n");
++ ib_umem_release(region);
++ return ERR_PTR(-EINVAL);
++ }
+ nespbl = kzalloc(sizeof(*nespbl), GFP_KERNEL);
+ if (!nespbl) {
+ nes_debug(NES_DBG_MR, "Unable to allocate PBL\n");
+diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c
+index 4dfa1ee..f8f892b 100644
+--- a/drivers/input/joystick/walkera0701.c
++++ b/drivers/input/joystick/walkera0701.c
+@@ -196,6 +196,7 @@ static void walkera0701_close(struct input_dev *dev)
+ struct walkera_dev *w = input_get_drvdata(dev);
+
+ parport_disable_irq(w->parport);
++ hrtimer_cancel(&w->timer);
+ }
+
+ static int walkera0701_connect(struct walkera_dev *w, int parport)
+@@ -224,6 +225,9 @@ static int walkera0701_connect(struct walkera_dev *w, int parport)
+ if (parport_claim(w->pardevice))
+ goto init_err1;
+
++ hrtimer_init(&w->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
++ w->timer.function = timer_handler;
++
+ w->input_dev = input_allocate_device();
+ if (!w->input_dev)
+ goto init_err2;
+@@ -254,8 +258,6 @@ static int walkera0701_connect(struct walkera_dev *w, int parport)
+ if (err)
+ goto init_err3;
+
+- hrtimer_init(&w->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+- w->timer.function = timer_handler;
+ return 0;
+
+ init_err3:
+@@ -271,7 +273,6 @@ static int walkera0701_connect(struct walkera_dev *w, int parport)
+
+ static void walkera0701_disconnect(struct walkera_dev *w)
+ {
+- hrtimer_cancel(&w->timer);
+ input_unregister_device(w->input_dev);
+ parport_release(w->pardevice);
+ parport_unregister_device(w->pardevice);
+diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c
+index a261d85..c4c9218 100644
+--- a/drivers/input/mouse/sentelic.c
++++ b/drivers/input/mouse/sentelic.c
+@@ -791,7 +791,7 @@ static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse)
+ fsp_set_slot(dev, 0, fgrs > 0, abs_x, abs_y);
+ fsp_set_slot(dev, 1, false, 0, 0);
+ }
+- if (fgrs > 0) {
++ if (fgrs == 1 || (fgrs == 2 && !(packet[0] & FSP_PB0_MFMC_FGR2))) {
+ input_report_abs(dev, ABS_X, abs_x);
+ input_report_abs(dev, ABS_Y, abs_y);
+ }
+diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
+index d6cc77a..5f306f7 100644
+--- a/drivers/input/serio/i8042-x86ia64io.h
++++ b/drivers/input/serio/i8042-x86ia64io.h
+@@ -921,6 +921,7 @@ static int __init i8042_platform_init(void)
+ int retval;
+
+ #ifdef CONFIG_X86
++ u8 a20_on = 0xdf;
+ /* Just return if pre-detection shows no i8042 controller exist */
+ if (!x86_platform.i8042_detect())
+ return -ENODEV;
+@@ -960,6 +961,14 @@ static int __init i8042_platform_init(void)
+
+ if (dmi_check_system(i8042_dmi_dritek_table))
+ i8042_dritek = true;
++
++ /*
++ * A20 was already enabled during early kernel init. But some buggy
++ * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
++ * resume from S3. So we do it here and hope that nothing breaks.
++ */
++ i8042_command(&a20_on, 0x10d1);
++ i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
+ #endif /* CONFIG_X86 */
+
+ return retval;
+diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
+index 18a89b7..2a5e8dd 100644
+--- a/drivers/iommu/amd_iommu_init.c
++++ b/drivers/iommu/amd_iommu_init.c
+@@ -906,6 +906,38 @@ static void __init free_iommu_all(void)
+ }
+
+ /*
++ * Family15h Model 10h-1fh erratum 746 (IOMMU Logging May Stall Translations)
++ * Workaround:
++ * BIOS should disable L2B micellaneous clock gating by setting
++ * L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b
++ */
++static void __init amd_iommu_erratum_746_workaround(struct amd_iommu *iommu)
++{
++ u32 value;
++
++ if ((boot_cpu_data.x86 != 0x15) ||
++ (boot_cpu_data.x86_model < 0x10) ||
++ (boot_cpu_data.x86_model > 0x1f))
++ return;
++
++ pci_write_config_dword(iommu->dev, 0xf0, 0x90);
++ pci_read_config_dword(iommu->dev, 0xf4, &value);
++
++ if (value & BIT(2))
++ return;
++
++ /* Select NB indirect register 0x90 and enable writing */
++ pci_write_config_dword(iommu->dev, 0xf0, 0x90 | (1 << 8));
++
++ pci_write_config_dword(iommu->dev, 0xf4, value | 0x4);
++ pr_info("AMD-Vi: Applying erratum 746 workaround for IOMMU at %s\n",
++ dev_name(&iommu->dev->dev));
++
++ /* Clear the enable writing bit */
++ pci_write_config_dword(iommu->dev, 0xf0, 0x90);
++}
++
++/*
+ * This function clues the initialization function for one IOMMU
+ * together and also allocates the command buffer and programs the
+ * hardware. It does NOT enable the IOMMU. This is done afterwards.
+@@ -1092,6 +1124,8 @@ static int iommu_init_pci(struct amd_iommu *iommu)
+ iommu->stored_l2[i] = iommu_read_l2(iommu, i);
+ }
+
++ amd_iommu_erratum_746_workaround(iommu);
++
+ return pci_enable_device(iommu->dev);
+ }
+
+@@ -1667,6 +1701,11 @@ static int amd_iommu_init_dma(void)
+ if (ret)
+ return ret;
+
++ init_device_table_dma();
++
++ for_each_iommu(iommu)
++ iommu_flush_all_caches(iommu);
++
+ amd_iommu_init_api();
+
+ amd_iommu_init_notifier();
+diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
+index 554e6ac..16dc458 100644
+--- a/drivers/iommu/intel-iommu.c
++++ b/drivers/iommu/intel-iommu.c
+@@ -1827,10 +1827,17 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
+ if (!pte)
+ return -ENOMEM;
+ /* It is large page*/
+- if (largepage_lvl > 1)
++ if (largepage_lvl > 1) {
+ pteval |= DMA_PTE_LARGE_PAGE;
+- else
++ /* Ensure that old small page tables are removed to make room
++ for superpage, if they exist. */
++ dma_pte_clear_range(domain, iov_pfn,
++ iov_pfn + lvl_to_nr_pages(largepage_lvl) - 1);
++ dma_pte_free_pagetable(domain, iov_pfn,
++ iov_pfn + lvl_to_nr_pages(largepage_lvl) - 1);
++ } else {
+ pteval &= ~(uint64_t)DMA_PTE_LARGE_PAGE;
++ }
+
+ }
+ /* We don't need lock here, nobody else
+@@ -2320,8 +2327,39 @@ static int domain_add_dev_info(struct dmar_domain *domain,
+ return 0;
+ }
+
++static bool device_has_rmrr(struct pci_dev *dev)
++{
++ struct dmar_rmrr_unit *rmrr;
++ int i;
++
++ for_each_rmrr_units(rmrr) {
++ for (i = 0; i < rmrr->devices_cnt; i++) {
++ /*
++ * Return TRUE if this RMRR contains the device that
++ * is passed in.
++ */
++ if (rmrr->devices[i] == dev)
++ return true;
++ }
++ }
++ return false;
++}
++
+ static int iommu_should_identity_map(struct pci_dev *pdev, int startup)
+ {
++
++ /*
++ * We want to prevent any device associated with an RMRR from
++ * getting placed into the SI Domain. This is done because
++ * problems exist when devices are moved in and out of domains
++ * and their respective RMRR info is lost. We exempt USB devices
++ * from this process due to their usage of RMRRs that are known
++ * to not be needed after BIOS hand-off to OS.
++ */
++ if (device_has_rmrr(pdev) &&
++ (pdev->class >> 8) != PCI_CLASS_SERIAL_USB)
++ return 0;
++
+ if ((iommu_identity_mapping & IDENTMAP_AZALIA) && IS_AZALIA(pdev))
+ return 1;
+
+@@ -4196,23 +4234,38 @@ static struct iommu_ops intel_iommu_ops = {
+ .pgsize_bitmap = INTEL_IOMMU_PGSIZES,
+ };
+
++static void __devinit quirk_iommu_g4x_gfx(struct pci_dev *dev)
++{
++ /* G4x/GM45 integrated gfx dmar support is totally busted. */
++ printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n");
++ dmar_map_gfx = 0;
++}
++
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_g4x_gfx);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e00, quirk_iommu_g4x_gfx);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e10, quirk_iommu_g4x_gfx);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e20, quirk_iommu_g4x_gfx);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e30, quirk_iommu_g4x_gfx);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e40, quirk_iommu_g4x_gfx);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e90, quirk_iommu_g4x_gfx);
++
+ static void __devinit quirk_iommu_rwbf(struct pci_dev *dev)
+ {
+ /*
+ * Mobile 4 Series Chipset neglects to set RWBF capability,
+- * but needs it:
++ * but needs it. Same seems to hold for the desktop versions.
+ */
+ printk(KERN_INFO "DMAR: Forcing write-buffer flush capability\n");
+ rwbf_quirk = 1;
+-
+- /* https://bugzilla.redhat.com/show_bug.cgi?id=538163 */
+- if (dev->revision == 0x07) {
+- printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n");
+- dmar_map_gfx = 0;
+- }
+ }
+
+ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_rwbf);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e00, quirk_iommu_rwbf);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e10, quirk_iommu_rwbf);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e20, quirk_iommu_rwbf);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e30, quirk_iommu_rwbf);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e40, quirk_iommu_rwbf);
++DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e90, quirk_iommu_rwbf);
+
+ #define GGC 0x52
+ #define GGC_MEMORY_SIZE_MASK (0xf << 8)
+diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
+index 68452b7..03a0a01 100644
+--- a/drivers/isdn/gigaset/capi.c
++++ b/drivers/isdn/gigaset/capi.c
+@@ -248,6 +248,8 @@ static inline void dump_rawmsg(enum debuglevel level, const char *tag,
+ CAPIMSG_APPID(data), CAPIMSG_MSGID(data), l,
+ CAPIMSG_CONTROL(data));
+ l -= 12;
++ if (l <= 0)
++ return;
+ dbgline = kmalloc(3 * l, GFP_ATOMIC);
+ if (!dbgline)
+ return;
+diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
+index afd9598..a651d52 100644
+--- a/drivers/md/dm-ioctl.c
++++ b/drivers/md/dm-ioctl.c
+@@ -1566,6 +1566,14 @@ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl **param)
+ if (copy_from_user(dmi, user, tmp.data_size))
+ goto bad;
+
++ /*
++ * Abort if something changed the ioctl data while it was being copied.
++ */
++ if (dmi->data_size != tmp.data_size) {
++ DMERR("rejecting ioctl: data size modified while processing parameters");
++ goto bad;
++ }
++
+ /* Wipe the user buffer so we do not return it to userspace */
+ if (secure_data && clear_user(user, tmp.data_size))
+ goto bad;
+diff --git a/drivers/md/persistent-data/dm-btree-internal.h b/drivers/md/persistent-data/dm-btree-internal.h
+index 5709bfe..accbb05 100644
+--- a/drivers/md/persistent-data/dm-btree-internal.h
++++ b/drivers/md/persistent-data/dm-btree-internal.h
+@@ -36,13 +36,13 @@ struct node_header {
+ __le32 padding;
+ } __packed;
+
+-struct node {
++struct btree_node {
+ struct node_header header;
+ __le64 keys[0];
+ } __packed;
+
+
+-void inc_children(struct dm_transaction_manager *tm, struct node *n,
++void inc_children(struct dm_transaction_manager *tm, struct btree_node *n,
+ struct dm_btree_value_type *vt);
+
+ int new_block(struct dm_btree_info *info, struct dm_block **result);
+@@ -64,7 +64,7 @@ struct ro_spine {
+ void init_ro_spine(struct ro_spine *s, struct dm_btree_info *info);
+ int exit_ro_spine(struct ro_spine *s);
+ int ro_step(struct ro_spine *s, dm_block_t new_child);
+-struct node *ro_node(struct ro_spine *s);
++struct btree_node *ro_node(struct ro_spine *s);
+
+ struct shadow_spine {
+ struct dm_btree_info *info;
+@@ -98,17 +98,17 @@ int shadow_root(struct shadow_spine *s);
+ /*
+ * Some inlines.
+ */
+-static inline __le64 *key_ptr(struct node *n, uint32_t index)
++static inline __le64 *key_ptr(struct btree_node *n, uint32_t index)
+ {
+ return n->keys + index;
+ }
+
+-static inline void *value_base(struct node *n)
++static inline void *value_base(struct btree_node *n)
+ {
+ return &n->keys[le32_to_cpu(n->header.max_entries)];
+ }
+
+-static inline void *value_ptr(struct node *n, uint32_t index)
++static inline void *value_ptr(struct btree_node *n, uint32_t index)
+ {
+ uint32_t value_size = le32_to_cpu(n->header.value_size);
+ return value_base(n) + (value_size * index);
+@@ -117,7 +117,7 @@ static inline void *value_ptr(struct node *n, uint32_t index)
+ /*
+ * Assumes the values are suitably-aligned and converts to core format.
+ */
+-static inline uint64_t value64(struct node *n, uint32_t index)
++static inline uint64_t value64(struct btree_node *n, uint32_t index)
+ {
+ __le64 *values_le = value_base(n);
+
+@@ -127,7 +127,7 @@ static inline uint64_t value64(struct node *n, uint32_t index)
+ /*
+ * Searching for a key within a single node.
+ */
+-int lower_bound(struct node *n, uint64_t key);
++int lower_bound(struct btree_node *n, uint64_t key);
+
+ extern struct dm_block_validator btree_node_validator;
+
+diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c
+index aa71e23..c4f2813 100644
+--- a/drivers/md/persistent-data/dm-btree-remove.c
++++ b/drivers/md/persistent-data/dm-btree-remove.c
+@@ -53,7 +53,7 @@
+ /*
+ * Some little utilities for moving node data around.
+ */
+-static void node_shift(struct node *n, int shift)
++static void node_shift(struct btree_node *n, int shift)
+ {
+ uint32_t nr_entries = le32_to_cpu(n->header.nr_entries);
+ uint32_t value_size = le32_to_cpu(n->header.value_size);
+@@ -79,7 +79,7 @@ static void node_shift(struct node *n, int shift)
+ }
+ }
+
+-static void node_copy(struct node *left, struct node *right, int shift)
++static void node_copy(struct btree_node *left, struct btree_node *right, int shift)
+ {
+ uint32_t nr_left = le32_to_cpu(left->header.nr_entries);
+ uint32_t value_size = le32_to_cpu(left->header.value_size);
+@@ -108,7 +108,7 @@ static void node_copy(struct node *left, struct node *right, int shift)
+ /*
+ * Delete a specific entry from a leaf node.
+ */
+-static void delete_at(struct node *n, unsigned index)
++static void delete_at(struct btree_node *n, unsigned index)
+ {
+ unsigned nr_entries = le32_to_cpu(n->header.nr_entries);
+ unsigned nr_to_copy = nr_entries - (index + 1);
+@@ -128,7 +128,7 @@ static void delete_at(struct node *n, unsigned index)
+ n->header.nr_entries = cpu_to_le32(nr_entries - 1);
+ }
+
+-static unsigned merge_threshold(struct node *n)
++static unsigned merge_threshold(struct btree_node *n)
+ {
+ return le32_to_cpu(n->header.max_entries) / 3;
+ }
+@@ -136,7 +136,7 @@ static unsigned merge_threshold(struct node *n)
+ struct child {
+ unsigned index;
+ struct dm_block *block;
+- struct node *n;
++ struct btree_node *n;
+ };
+
+ static struct dm_btree_value_type le64_type = {
+@@ -147,7 +147,7 @@ static struct dm_btree_value_type le64_type = {
+ .equal = NULL
+ };
+
+-static int init_child(struct dm_btree_info *info, struct node *parent,
++static int init_child(struct dm_btree_info *info, struct btree_node *parent,
+ unsigned index, struct child *result)
+ {
+ int r, inc;
+@@ -177,7 +177,7 @@ static int exit_child(struct dm_btree_info *info, struct child *c)
+ return dm_tm_unlock(info->tm, c->block);
+ }
+
+-static void shift(struct node *left, struct node *right, int count)
++static void shift(struct btree_node *left, struct btree_node *right, int count)
+ {
+ uint32_t nr_left = le32_to_cpu(left->header.nr_entries);
+ uint32_t nr_right = le32_to_cpu(right->header.nr_entries);
+@@ -203,11 +203,11 @@ static void shift(struct node *left, struct node *right, int count)
+ right->header.nr_entries = cpu_to_le32(nr_right + count);
+ }
+
+-static void __rebalance2(struct dm_btree_info *info, struct node *parent,
++static void __rebalance2(struct dm_btree_info *info, struct btree_node *parent,
+ struct child *l, struct child *r)
+ {
+- struct node *left = l->n;
+- struct node *right = r->n;
++ struct btree_node *left = l->n;
++ struct btree_node *right = r->n;
+ uint32_t nr_left = le32_to_cpu(left->header.nr_entries);
+ uint32_t nr_right = le32_to_cpu(right->header.nr_entries);
+ unsigned threshold = 2 * merge_threshold(left) + 1;
+@@ -239,7 +239,7 @@ static int rebalance2(struct shadow_spine *s, struct dm_btree_info *info,
+ unsigned left_index)
+ {
+ int r;
+- struct node *parent;
++ struct btree_node *parent;
+ struct child left, right;
+
+ parent = dm_block_data(shadow_current(s));
+@@ -270,9 +270,9 @@ static int rebalance2(struct shadow_spine *s, struct dm_btree_info *info,
+ * in right, then rebalance2. This wastes some cpu, but I want something
+ * simple atm.
+ */
+-static void delete_center_node(struct dm_btree_info *info, struct node *parent,
++static void delete_center_node(struct dm_btree_info *info, struct btree_node *parent,
+ struct child *l, struct child *c, struct child *r,
+- struct node *left, struct node *center, struct node *right,
++ struct btree_node *left, struct btree_node *center, struct btree_node *right,
+ uint32_t nr_left, uint32_t nr_center, uint32_t nr_right)
+ {
+ uint32_t max_entries = le32_to_cpu(left->header.max_entries);
+@@ -301,9 +301,9 @@ static void delete_center_node(struct dm_btree_info *info, struct node *parent,
+ /*
+ * Redistributes entries among 3 sibling nodes.
+ */
+-static void redistribute3(struct dm_btree_info *info, struct node *parent,
++static void redistribute3(struct dm_btree_info *info, struct btree_node *parent,
+ struct child *l, struct child *c, struct child *r,
+- struct node *left, struct node *center, struct node *right,
++ struct btree_node *left, struct btree_node *center, struct btree_node *right,
+ uint32_t nr_left, uint32_t nr_center, uint32_t nr_right)
+ {
+ int s;
+@@ -343,12 +343,12 @@ static void redistribute3(struct dm_btree_info *info, struct node *parent,
+ *key_ptr(parent, r->index) = right->keys[0];
+ }
+
+-static void __rebalance3(struct dm_btree_info *info, struct node *parent,
++static void __rebalance3(struct dm_btree_info *info, struct btree_node *parent,
+ struct child *l, struct child *c, struct child *r)
+ {
+- struct node *left = l->n;
+- struct node *center = c->n;
+- struct node *right = r->n;
++ struct btree_node *left = l->n;
++ struct btree_node *center = c->n;
++ struct btree_node *right = r->n;
+
+ uint32_t nr_left = le32_to_cpu(left->header.nr_entries);
+ uint32_t nr_center = le32_to_cpu(center->header.nr_entries);
+@@ -371,7 +371,7 @@ static int rebalance3(struct shadow_spine *s, struct dm_btree_info *info,
+ unsigned left_index)
+ {
+ int r;
+- struct node *parent = dm_block_data(shadow_current(s));
++ struct btree_node *parent = dm_block_data(shadow_current(s));
+ struct child left, center, right;
+
+ /*
+@@ -421,7 +421,7 @@ static int get_nr_entries(struct dm_transaction_manager *tm,
+ {
+ int r;
+ struct dm_block *block;
+- struct node *n;
++ struct btree_node *n;
+
+ r = dm_tm_read_lock(tm, b, &btree_node_validator, &block);
+ if (r)
+@@ -438,7 +438,7 @@ static int rebalance_children(struct shadow_spine *s,
+ {
+ int i, r, has_left_sibling, has_right_sibling;
+ uint32_t child_entries;
+- struct node *n;
++ struct btree_node *n;
+
+ n = dm_block_data(shadow_current(s));
+
+@@ -483,7 +483,7 @@ static int rebalance_children(struct shadow_spine *s,
+ return r;
+ }
+
+-static int do_leaf(struct node *n, uint64_t key, unsigned *index)
++static int do_leaf(struct btree_node *n, uint64_t key, unsigned *index)
+ {
+ int i = lower_bound(n, key);
+
+@@ -506,7 +506,7 @@ static int remove_raw(struct shadow_spine *s, struct dm_btree_info *info,
+ uint64_t key, unsigned *index)
+ {
+ int i = *index, r;
+- struct node *n;
++ struct btree_node *n;
+
+ for (;;) {
+ r = shadow_step(s, root, vt);
+@@ -556,7 +556,7 @@ int dm_btree_remove(struct dm_btree_info *info, dm_block_t root,
+ unsigned level, last_level = info->levels - 1;
+ int index = 0, r = 0;
+ struct shadow_spine spine;
+- struct node *n;
++ struct btree_node *n;
+
+ init_shadow_spine(&spine, info);
+ for (level = 0; level < info->levels; level++) {
+diff --git a/drivers/md/persistent-data/dm-btree-spine.c b/drivers/md/persistent-data/dm-btree-spine.c
+index d9a7912..2f0805c 100644
+--- a/drivers/md/persistent-data/dm-btree-spine.c
++++ b/drivers/md/persistent-data/dm-btree-spine.c
+@@ -23,7 +23,7 @@ static void node_prepare_for_write(struct dm_block_validator *v,
+ struct dm_block *b,
+ size_t block_size)
+ {
+- struct node *n = dm_block_data(b);
++ struct btree_node *n = dm_block_data(b);
+ struct node_header *h = &n->header;
+
+ h->blocknr = cpu_to_le64(dm_block_location(b));
+@@ -38,7 +38,7 @@ static int node_check(struct dm_block_validator *v,
+ struct dm_block *b,
+ size_t block_size)
+ {
+- struct node *n = dm_block_data(b);
++ struct btree_node *n = dm_block_data(b);
+ struct node_header *h = &n->header;
+ size_t value_size;
+ __le32 csum_disk;
+@@ -164,7 +164,7 @@ int ro_step(struct ro_spine *s, dm_block_t new_child)
+ return r;
+ }
+
+-struct node *ro_node(struct ro_spine *s)
++struct btree_node *ro_node(struct ro_spine *s)
+ {
+ struct dm_block *block;
+
+diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c
+index d12b2cc..371f3d4 100644
+--- a/drivers/md/persistent-data/dm-btree.c
++++ b/drivers/md/persistent-data/dm-btree.c
+@@ -38,7 +38,7 @@ static void array_insert(void *base, size_t elt_size, unsigned nr_elts,
+ /*----------------------------------------------------------------*/
+
+ /* makes the assumption that no two keys are the same. */
+-static int bsearch(struct node *n, uint64_t key, int want_hi)
++static int bsearch(struct btree_node *n, uint64_t key, int want_hi)
+ {
+ int lo = -1, hi = le32_to_cpu(n->header.nr_entries);
+
+@@ -58,12 +58,12 @@ static int bsearch(struct node *n, uint64_t key, int want_hi)
+ return want_hi ? hi : lo;
+ }
+
+-int lower_bound(struct node *n, uint64_t key)
++int lower_bound(struct btree_node *n, uint64_t key)
+ {
+ return bsearch(n, key, 0);
+ }
+
+-void inc_children(struct dm_transaction_manager *tm, struct node *n,
++void inc_children(struct dm_transaction_manager *tm, struct btree_node *n,
+ struct dm_btree_value_type *vt)
+ {
+ unsigned i;
+@@ -77,7 +77,7 @@ void inc_children(struct dm_transaction_manager *tm, struct node *n,
+ vt->inc(vt->context, value_ptr(n, i));
+ }
+
+-static int insert_at(size_t value_size, struct node *node, unsigned index,
++static int insert_at(size_t value_size, struct btree_node *node, unsigned index,
+ uint64_t key, void *value)
+ __dm_written_to_disk(value)
+ {
+@@ -122,7 +122,7 @@ int dm_btree_empty(struct dm_btree_info *info, dm_block_t *root)
+ {
+ int r;
+ struct dm_block *b;
+- struct node *n;
++ struct btree_node *n;
+ size_t block_size;
+ uint32_t max_entries;
+
+@@ -154,7 +154,7 @@ EXPORT_SYMBOL_GPL(dm_btree_empty);
+ #define MAX_SPINE_DEPTH 64
+ struct frame {
+ struct dm_block *b;
+- struct node *n;
++ struct btree_node *n;
+ unsigned level;
+ unsigned nr_children;
+ unsigned current_child;
+@@ -295,7 +295,7 @@ EXPORT_SYMBOL_GPL(dm_btree_del);
+ /*----------------------------------------------------------------*/
+
+ static int btree_lookup_raw(struct ro_spine *s, dm_block_t block, uint64_t key,
+- int (*search_fn)(struct node *, uint64_t),
++ int (*search_fn)(struct btree_node *, uint64_t),
+ uint64_t *result_key, void *v, size_t value_size)
+ {
+ int i, r;
+@@ -406,7 +406,7 @@ static int btree_split_sibling(struct shadow_spine *s, dm_block_t root,
+ size_t size;
+ unsigned nr_left, nr_right;
+ struct dm_block *left, *right, *parent;
+- struct node *ln, *rn, *pn;
++ struct btree_node *ln, *rn, *pn;
+ __le64 location;
+
+ left = shadow_current(s);
+@@ -491,7 +491,7 @@ static int btree_split_beneath(struct shadow_spine *s, uint64_t key)
+ size_t size;
+ unsigned nr_left, nr_right;
+ struct dm_block *left, *right, *new_parent;
+- struct node *pn, *ln, *rn;
++ struct btree_node *pn, *ln, *rn;
+ __le64 val;
+
+ new_parent = shadow_current(s);
+@@ -576,7 +576,7 @@ static int btree_insert_raw(struct shadow_spine *s, dm_block_t root,
+ uint64_t key, unsigned *index)
+ {
+ int r, i = *index, top = 1;
+- struct node *node;
++ struct btree_node *node;
+
+ for (;;) {
+ r = shadow_step(s, root, vt);
+@@ -643,7 +643,7 @@ static int insert(struct dm_btree_info *info, dm_block_t root,
+ unsigned level, index = -1, last_level = info->levels - 1;
+ dm_block_t block = root;
+ struct shadow_spine spine;
+- struct node *n;
++ struct btree_node *n;
+ struct dm_btree_value_type le64_type;
+
+ le64_type.context = NULL;
+diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
+index cabc19c..cec1f8c 100644
+--- a/drivers/media/rc/rc-main.c
++++ b/drivers/media/rc/rc-main.c
+@@ -778,8 +778,10 @@ static ssize_t show_protocols(struct device *device,
+ } else if (dev->raw) {
+ enabled = dev->raw->enabled_protocols;
+ allowed = ir_raw_get_allowed_protocols();
+- } else
++ } else {
++ mutex_unlock(&dev->lock);
+ return -ENODEV;
++ }
+
+ IR_dprintk(1, "allowed - 0x%llx, enabled - 0x%llx\n",
+ (long long)allowed,
+diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
+index f8b7771..7604f4e 100644
+--- a/drivers/mfd/mfd-core.c
++++ b/drivers/mfd/mfd-core.c
+@@ -21,6 +21,10 @@
+ #include <linux/irqdomain.h>
+ #include <linux/of.h>
+
++static struct device_type mfd_dev_type = {
++ .name = "mfd_device",
++};
++
+ int mfd_cell_enable(struct platform_device *pdev)
+ {
+ const struct mfd_cell *cell = mfd_get_cell(pdev);
+@@ -91,6 +95,7 @@ static int mfd_add_device(struct device *parent, int id,
+ goto fail_device;
+
+ pdev->dev.parent = parent;
++ pdev->dev.type = &mfd_dev_type;
+
+ if (parent->of_node && cell->of_compatible) {
+ for_each_child_of_node(parent->of_node, np) {
+@@ -204,10 +209,16 @@ EXPORT_SYMBOL(mfd_add_devices);
+
+ static int mfd_remove_devices_fn(struct device *dev, void *c)
+ {
+- struct platform_device *pdev = to_platform_device(dev);
+- const struct mfd_cell *cell = mfd_get_cell(pdev);
++ struct platform_device *pdev;
++ const struct mfd_cell *cell;
+ atomic_t **usage_count = c;
+
++ if (dev->type != &mfd_dev_type)
++ return 0;
++
++ pdev = to_platform_device(dev);
++ cell = mfd_get_cell(pdev);
++
+ /* find the base address of usage_count pointers (for freeing) */
+ if (!*usage_count || (cell->usage_count < *usage_count))
+ *usage_count = cell->usage_count;
+diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
+index 2febf88..38de846 100644
+--- a/drivers/mfd/wm8994-core.c
++++ b/drivers/mfd/wm8994-core.c
+@@ -557,6 +557,7 @@ static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq)
+ case 1:
+ case 2:
+ case 3:
++ case 4:
+ regmap_patch = wm1811_reva_patch;
+ patch_regs = ARRAY_SIZE(wm1811_reva_patch);
+ break;
+diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
+index 8d082b4..d971817 100644
+--- a/drivers/misc/sgi-xp/xpc_main.c
++++ b/drivers/misc/sgi-xp/xpc_main.c
+@@ -53,6 +53,10 @@
+ #include <linux/kthread.h>
+ #include "xpc.h"
+
++#ifdef CONFIG_X86_64
++#include <asm/traps.h>
++#endif
++
+ /* define two XPC debug device structures to be used with dev_dbg() et al */
+
+ struct device_driver xpc_dbg_name = {
+@@ -1079,6 +1083,9 @@ xpc_system_reboot(struct notifier_block *nb, unsigned long event, void *unused)
+ return NOTIFY_DONE;
+ }
+
++/* Used to only allow one cpu to complete disconnect */
++static unsigned int xpc_die_disconnecting;
++
+ /*
+ * Notify other partitions to deactivate from us by first disengaging from all
+ * references to our memory.
+@@ -1092,6 +1099,9 @@ xpc_die_deactivate(void)
+ long keep_waiting;
+ long wait_to_print;
+
++ if (cmpxchg(&xpc_die_disconnecting, 0, 1))
++ return;
++
+ /* keep xpc_hb_checker thread from doing anything (just in case) */
+ xpc_exiting = 1;
+
+@@ -1159,7 +1169,7 @@ xpc_die_deactivate(void)
+ * about the lack of a heartbeat.
+ */
+ static int
+-xpc_system_die(struct notifier_block *nb, unsigned long event, void *unused)
++xpc_system_die(struct notifier_block *nb, unsigned long event, void *_die_args)
+ {
+ #ifdef CONFIG_IA64 /* !!! temporary kludge */
+ switch (event) {
+@@ -1191,7 +1201,27 @@ xpc_system_die(struct notifier_block *nb, unsigned long event, void *unused)
+ break;
+ }
+ #else
+- xpc_die_deactivate();
++ struct die_args *die_args = _die_args;
++
++ switch (event) {
++ case DIE_TRAP:
++ if (die_args->trapnr == X86_TRAP_DF)
++ xpc_die_deactivate();
++
++ if (((die_args->trapnr == X86_TRAP_MF) ||
++ (die_args->trapnr == X86_TRAP_XF)) &&
++ !user_mode_vm(die_args->regs))
++ xpc_die_deactivate();
++
++ break;
++ case DIE_INT3:
++ case DIE_DEBUG:
++ break;
++ case DIE_OOPS:
++ case DIE_GPF:
++ default:
++ xpc_die_deactivate();
++ }
+ #endif
+
+ return NOTIFY_DONE;
+diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
+index e23f813..c80c588 100644
+--- a/drivers/mmc/host/sdhci-esdhc-imx.c
++++ b/drivers/mmc/host/sdhci-esdhc-imx.c
+@@ -237,15 +237,18 @@ static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg)
+
+ static u16 esdhc_readw_le(struct sdhci_host *host, int reg)
+ {
++ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
++ struct pltfm_imx_data *imx_data = pltfm_host->priv;
++
+ if (unlikely(reg == SDHCI_HOST_VERSION)) {
+- u16 val = readw(host->ioaddr + (reg ^ 2));
+- /*
+- * uSDHC supports SDHCI v3.0, but it's encoded as value
+- * 0x3 in host controller version register, which violates
+- * SDHCI_SPEC_300 definition. Work it around here.
+- */
+- if ((val & SDHCI_SPEC_VER_MASK) == 3)
+- return --val;
++ reg ^= 2;
++ if (is_imx6q_usdhc(imx_data)) {
++ /*
++ * The usdhc register returns a wrong host version.
++ * Correct it here.
++ */
++ return SDHCI_SPEC_300;
++ }
+ }
+
+ return readw(host->ioaddr + reg);
+diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c
+index adb6c3e..2cdeab8 100644
+--- a/drivers/mtd/nand/cs553x_nand.c
++++ b/drivers/mtd/nand/cs553x_nand.c
+@@ -237,6 +237,7 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr)
+ this->ecc.hwctl = cs_enable_hwecc;
+ this->ecc.calculate = cs_calculate_ecc;
+ this->ecc.correct = nand_correct_data;
++ this->ecc.strength = 1;
+
+ /* Enable the following for a flash based bad block table */
+ this->bbt_options = NAND_BBT_USE_FLASH;
+@@ -247,8 +248,6 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr)
+ goto out_ior;
+ }
+
+- this->ecc.strength = 1;
+-
+ new_mtd->name = kasprintf(GFP_KERNEL, "cs553x_nand_cs%d", cs);
+
+ cs553x_mtd[cs] = new_mtd;
+diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
+index a1f4332..b27e215 100644
+--- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
++++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
+@@ -136,6 +136,15 @@ int gpmi_init(struct gpmi_nand_data *this)
+ if (ret)
+ goto err_out;
+
++ /*
++ * Reset BCH here, too. We got failures otherwise :(
++ * See later BCH reset for explanation of MX23 handling
++ */
++ ret = gpmi_reset_block(r->bch_regs, GPMI_IS_MX23(this));
++ if (ret)
++ goto err_out;
++
++
+ /* Choose NAND mode. */
+ writel(BM_GPMI_CTRL1_GPMI_MODE, r->gpmi_regs + HW_GPMI_CTRL1_CLR);
+
+diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
+index 4c538e3..f56a48e 100644
+--- a/drivers/net/can/c_can/c_can.c
++++ b/drivers/net/can/c_can/c_can.c
+@@ -918,7 +918,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
+ break;
+ case LEC_ACK_ERROR:
+ netdev_dbg(dev, "ack error\n");
+- cf->data[2] |= (CAN_ERR_PROT_LOC_ACK |
++ cf->data[3] |= (CAN_ERR_PROT_LOC_ACK |
+ CAN_ERR_PROT_LOC_ACK_DEL);
+ break;
+ case LEC_BIT1_ERROR:
+@@ -931,7 +931,7 @@ static int c_can_handle_bus_err(struct net_device *dev,
+ break;
+ case LEC_CRC_ERROR:
+ netdev_dbg(dev, "CRC error\n");
+- cf->data[2] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
++ cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ |
+ CAN_ERR_PROT_LOC_CRC_DEL);
+ break;
+ default:
+diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
+index 963e2cc..8233e5e 100644
+--- a/drivers/net/can/dev.c
++++ b/drivers/net/can/dev.c
+@@ -609,8 +609,7 @@ void close_candev(struct net_device *dev)
+ {
+ struct can_priv *priv = netdev_priv(dev);
+
+- if (del_timer_sync(&priv->restart_timer))
+- dev_put(dev);
++ del_timer_sync(&priv->restart_timer);
+ can_flush_echo_skb(dev);
+ }
+ EXPORT_SYMBOL_GPL(close_candev);
+diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
+index 48b3d62..7a43d4d 100644
+--- a/drivers/net/can/pch_can.c
++++ b/drivers/net/can/pch_can.c
+@@ -560,7 +560,7 @@ static void pch_can_error(struct net_device *ndev, u32 status)
+ stats->rx_errors++;
+ break;
+ case PCH_CRC_ERR:
+- cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ |
++ cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
+ CAN_ERR_PROT_LOC_CRC_DEL;
+ priv->can.can_stats.bus_error++;
+ stats->rx_errors++;
+diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
+index 9ded21e..44996a9 100644
+--- a/drivers/net/can/ti_hecc.c
++++ b/drivers/net/can/ti_hecc.c
+@@ -746,12 +746,12 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
+ }
+ if (err_status & HECC_CANES_CRCE) {
+ hecc_set_bit(priv, HECC_CANES, HECC_CANES_CRCE);
+- cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ |
++ cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ |
+ CAN_ERR_PROT_LOC_CRC_DEL;
+ }
+ if (err_status & HECC_CANES_ACKE) {
+ hecc_set_bit(priv, HECC_CANES, HECC_CANES_ACKE);
+- cf->data[2] |= CAN_ERR_PROT_LOC_ACK |
++ cf->data[3] |= CAN_ERR_PROT_LOC_ACK |
+ CAN_ERR_PROT_LOC_ACK_DEL;
+ }
+ }
+diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
+index 711eb14..3756278 100644
+--- a/drivers/net/ethernet/broadcom/tg3.c
++++ b/drivers/net/ethernet/broadcom/tg3.c
+@@ -1245,14 +1245,26 @@ static int tg3_phy_auxctl_write(struct tg3 *tp, int reg, u32 set)
+ return tg3_writephy(tp, MII_TG3_AUX_CTRL, set | reg);
+ }
+
+-#define TG3_PHY_AUXCTL_SMDSP_ENABLE(tp) \
+- tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL, \
+- MII_TG3_AUXCTL_ACTL_SMDSP_ENA | \
+- MII_TG3_AUXCTL_ACTL_TX_6DB)
++static int tg3_phy_toggle_auxctl_smdsp(struct tg3 *tp, bool enable)
++{
++ u32 val;
++ int err;
+
+-#define TG3_PHY_AUXCTL_SMDSP_DISABLE(tp) \
+- tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL, \
+- MII_TG3_AUXCTL_ACTL_TX_6DB);
++ err = tg3_phy_auxctl_read(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, &val);
++
++ if (err)
++ return err;
++ if (enable)
++
++ val |= MII_TG3_AUXCTL_ACTL_SMDSP_ENA;
++ else
++ val &= ~MII_TG3_AUXCTL_ACTL_SMDSP_ENA;
++
++ err = tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL,
++ val | MII_TG3_AUXCTL_ACTL_TX_6DB);
++
++ return err;
++}
+
+ static int tg3_bmcr_reset(struct tg3 *tp)
+ {
+@@ -2185,7 +2197,7 @@ static void tg3_phy_apply_otp(struct tg3 *tp)
+
+ otp = tp->phy_otp;
+
+- if (TG3_PHY_AUXCTL_SMDSP_ENABLE(tp))
++ if (tg3_phy_toggle_auxctl_smdsp(tp, true))
+ return;
+
+ phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
+@@ -2210,7 +2222,7 @@ static void tg3_phy_apply_otp(struct tg3 *tp)
+ ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
+ tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
+
+- TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
++ tg3_phy_toggle_auxctl_smdsp(tp, false);
+ }
+
+ static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up)
+@@ -2246,9 +2258,9 @@ static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up)
+
+ if (!tp->setlpicnt) {
+ if (current_link_up == 1 &&
+- !TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
++ !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
+ tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, 0x0000);
+- TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
++ tg3_phy_toggle_auxctl_smdsp(tp, false);
+ }
+
+ val = tr32(TG3_CPMU_EEE_MODE);
+@@ -2264,11 +2276,11 @@ static void tg3_phy_eee_enable(struct tg3 *tp)
+ (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
+ tg3_flag(tp, 57765_CLASS)) &&
+- !TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
++ !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
+ val = MII_TG3_DSP_TAP26_ALNOKO |
+ MII_TG3_DSP_TAP26_RMRXSTO;
+ tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, val);
+- TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
++ tg3_phy_toggle_auxctl_smdsp(tp, false);
+ }
+
+ val = tr32(TG3_CPMU_EEE_MODE);
+@@ -2412,7 +2424,7 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
+ tg3_writephy(tp, MII_CTRL1000,
+ CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER);
+
+- err = TG3_PHY_AUXCTL_SMDSP_ENABLE(tp);
++ err = tg3_phy_toggle_auxctl_smdsp(tp, true);
+ if (err)
+ return err;
+
+@@ -2433,7 +2445,7 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
+ tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
+ tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0000);
+
+- TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
++ tg3_phy_toggle_auxctl_smdsp(tp, false);
+
+ tg3_writephy(tp, MII_CTRL1000, phy9_orig);
+
+@@ -2522,10 +2534,10 @@ static int tg3_phy_reset(struct tg3 *tp)
+
+ out:
+ if ((tp->phy_flags & TG3_PHYFLG_ADC_BUG) &&
+- !TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
++ !tg3_phy_toggle_auxctl_smdsp(tp, true)) {
+ tg3_phydsp_write(tp, 0x201f, 0x2aaa);
+ tg3_phydsp_write(tp, 0x000a, 0x0323);
+- TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
++ tg3_phy_toggle_auxctl_smdsp(tp, false);
+ }
+
+ if (tp->phy_flags & TG3_PHYFLG_5704_A0_BUG) {
+@@ -2534,14 +2546,14 @@ out:
+ }
+
+ if (tp->phy_flags & TG3_PHYFLG_BER_BUG) {
+- if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
++ if (!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
+ tg3_phydsp_write(tp, 0x000a, 0x310b);
+ tg3_phydsp_write(tp, 0x201f, 0x9506);
+ tg3_phydsp_write(tp, 0x401f, 0x14e2);
+- TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
++ tg3_phy_toggle_auxctl_smdsp(tp, false);
+ }
+ } else if (tp->phy_flags & TG3_PHYFLG_JITTER_BUG) {
+- if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
++ if (!tg3_phy_toggle_auxctl_smdsp(tp, true)) {
+ tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
+ if (tp->phy_flags & TG3_PHYFLG_ADJUST_TRIM) {
+ tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
+@@ -2550,7 +2562,7 @@ out:
+ } else
+ tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
+
+- TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
++ tg3_phy_toggle_auxctl_smdsp(tp, false);
+ }
+ }
+
+@@ -3967,7 +3979,7 @@ static int tg3_phy_autoneg_cfg(struct tg3 *tp, u32 advertise, u32 flowctrl)
+ tw32(TG3_CPMU_EEE_MODE,
+ tr32(TG3_CPMU_EEE_MODE) & ~TG3_CPMU_EEEMD_LPI_ENABLE);
+
+- err = TG3_PHY_AUXCTL_SMDSP_ENABLE(tp);
++ err = tg3_phy_toggle_auxctl_smdsp(tp, true);
+ if (!err) {
+ u32 err2;
+
+@@ -4000,7 +4012,7 @@ static int tg3_phy_autoneg_cfg(struct tg3 *tp, u32 advertise, u32 flowctrl)
+ MII_TG3_DSP_CH34TP2_HIBW01);
+ }
+
+- err2 = TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
++ err2 = tg3_phy_toggle_auxctl_smdsp(tp, false);
+ if (!err)
+ err = err2;
+ }
+@@ -6703,6 +6715,9 @@ static void tg3_poll_controller(struct net_device *dev)
+ int i;
+ struct tg3 *tp = netdev_priv(dev);
+
++ if (tg3_irq_sync(tp))
++ return;
++
+ for (i = 0; i < tp->irq_cnt; i++)
+ tg3_interrupt(tp->napi[i].irq_vec, &tp->napi[i]);
+ }
+@@ -15806,6 +15821,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
+ tp->pm_cap = pm_cap;
+ tp->rx_mode = TG3_DEF_RX_MODE;
+ tp->tx_mode = TG3_DEF_TX_MODE;
++ tp->irq_sync = 1;
+
+ if (tg3_debug > 0)
+ tp->msg_enable = tg3_debug;
+diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c
+index 16814b3..e29c1b6 100644
+--- a/drivers/net/ethernet/calxeda/xgmac.c
++++ b/drivers/net/ethernet/calxeda/xgmac.c
+@@ -546,6 +546,10 @@ static int desc_get_rx_status(struct xgmac_priv *priv, struct xgmac_dma_desc *p)
+ return -1;
+ }
+
++ /* All frames should fit into a single buffer */
++ if (!(status & RXDESC_FIRST_SEG) || !(status & RXDESC_LAST_SEG))
++ return -1;
++
+ /* Check if packet has checksum already */
+ if ((status & RXDESC_FRAME_TYPE) && (status & RXDESC_EXT_STATUS) &&
+ !(ext_status & RXDESC_IP_PAYLOAD_MASK))
+diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
+index 48cc4fb..8a747b7 100644
+--- a/drivers/net/ethernet/intel/igb/igb_main.c
++++ b/drivers/net/ethernet/intel/igb/igb_main.c
+@@ -936,17 +936,18 @@ static int igb_request_msix(struct igb_adapter *adapter)
+ {
+ struct net_device *netdev = adapter->netdev;
+ struct e1000_hw *hw = &adapter->hw;
+- int i, err = 0, vector = 0;
++ int i, err = 0, vector = 0, free_vector = 0;
+
+ err = request_irq(adapter->msix_entries[vector].vector,
+ igb_msix_other, 0, netdev->name, adapter);
+ if (err)
+- goto out;
+- vector++;
++ goto err_out;
+
+ for (i = 0; i < adapter->num_q_vectors; i++) {
+ struct igb_q_vector *q_vector = adapter->q_vector[i];
+
++ vector++;
++
+ q_vector->itr_register = hw->hw_addr + E1000_EITR(vector);
+
+ if (q_vector->rx.ring && q_vector->tx.ring)
+@@ -965,13 +966,22 @@ static int igb_request_msix(struct igb_adapter *adapter)
+ igb_msix_ring, 0, q_vector->name,
+ q_vector);
+ if (err)
+- goto out;
+- vector++;
++ goto err_free;
+ }
+
+ igb_configure_msix(adapter);
+ return 0;
+-out:
++
++err_free:
++ /* free already assigned IRQs */
++ free_irq(adapter->msix_entries[free_vector++].vector, adapter);
++
++ vector--;
++ for (i = 0; i < vector; i++) {
++ free_irq(adapter->msix_entries[free_vector++].vector,
++ adapter->q_vector[i]);
++ }
++err_out:
+ return err;
+ }
+
+@@ -4661,11 +4671,13 @@ void igb_update_stats(struct igb_adapter *adapter,
+ bytes = 0;
+ packets = 0;
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+- u32 rqdpc_tmp = rd32(E1000_RQDPC(i)) & 0x0FFF;
++ u32 rqdpc = rd32(E1000_RQDPC(i));
+ struct igb_ring *ring = adapter->rx_ring[i];
+
+- ring->rx_stats.drops += rqdpc_tmp;
+- net_stats->rx_fifo_errors += rqdpc_tmp;
++ if (rqdpc) {
++ ring->rx_stats.drops += rqdpc;
++ net_stats->rx_fifo_errors += rqdpc;
++ }
+
+ do {
+ start = u64_stats_fetch_begin_bh(&ring->rx_syncp);
+diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+index 10bba09..2af24ba 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
++++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+@@ -630,10 +630,15 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
+ ring->tx_csum++;
+ }
+
+- /* Copy dst mac address to wqe */
+- ethh = (struct ethhdr *)skb->data;
+- tx_desc->ctrl.srcrb_flags16[0] = get_unaligned((__be16 *)ethh->h_dest);
+- tx_desc->ctrl.imm = get_unaligned((__be32 *)(ethh->h_dest + 2));
++ if (mlx4_is_mfunc(mdev->dev) || priv->validate_loopback) {
++ /* Copy dst mac address to wqe. This allows loopback in eSwitch,
++ * so that VFs and PF can communicate with each other
++ */
++ ethh = (struct ethhdr *)skb->data;
++ tx_desc->ctrl.srcrb_flags16[0] = get_unaligned((__be16 *)ethh->h_dest);
++ tx_desc->ctrl.imm = get_unaligned((__be32 *)(ethh->h_dest + 2));
++ }
++
+ /* Handle LSO (TSO) packets */
+ if (lso_header_size) {
+ /* Mark opcode as LSO */
+diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
+index 2f816c6..8ca1ed8 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/main.c
++++ b/drivers/net/ethernet/mellanox/mlx4/main.c
+@@ -1630,15 +1630,8 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev)
+ int i;
+
+ if (msi_x) {
+- /* In multifunction mode each function gets 2 msi-X vectors
+- * one for data path completions anf the other for asynch events
+- * or command completions */
+- if (mlx4_is_mfunc(dev)) {
+- nreq = 2;
+- } else {
+- nreq = min_t(int, dev->caps.num_eqs -
+- dev->caps.reserved_eqs, nreq);
+- }
++ nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs,
++ nreq);
+
+ entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
+ if (!entries)
+diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
+index bc165f4..695667d 100644
+--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
++++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
+@@ -144,7 +144,7 @@ void netxen_release_tx_buffers(struct netxen_adapter *adapter)
+ buffrag->length, PCI_DMA_TODEVICE);
+ buffrag->dma = 0ULL;
+ }
+- for (j = 0; j < cmd_buf->frag_count; j++) {
++ for (j = 1; j < cmd_buf->frag_count; j++) {
+ buffrag++;
+ if (buffrag->dma) {
+ pci_unmap_page(adapter->pdev, buffrag->dma,
+diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+index a77c558..d6a8218 100644
+--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
++++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+@@ -1963,10 +1963,12 @@ unwind:
+ while (--i >= 0) {
+ nf = &pbuf->frag_array[i+1];
+ pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
++ nf->dma = 0ULL;
+ }
+
+ nf = &pbuf->frag_array[0];
+ pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
++ nf->dma = 0ULL;
+
+ out_err:
+ return -ENOMEM;
+diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
+index df7bbba..6c1c396 100644
+--- a/drivers/net/ethernet/realtek/r8169.c
++++ b/drivers/net/ethernet/realtek/r8169.c
+@@ -6088,13 +6088,6 @@ process_pkt:
+ tp->rx_stats.bytes += pkt_size;
+ u64_stats_update_end(&tp->rx_stats.syncp);
+ }
+-
+- /* Work around for AMD plateform. */
+- if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
+- (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
+- desc->opts2 = 0;
+- cur_rx++;
+- }
+ }
+
+ count = cur_rx - tp->cur_rx;
+diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
+index 0459c09..046526e0 100644
+--- a/drivers/net/ethernet/via/via-rhine.c
++++ b/drivers/net/ethernet/via/via-rhine.c
+@@ -1802,7 +1802,7 @@ static void rhine_tx(struct net_device *dev)
+ rp->tx_skbuff[entry]->len,
+ PCI_DMA_TODEVICE);
+ }
+- dev_kfree_skb_irq(rp->tx_skbuff[entry]);
++ dev_kfree_skb(rp->tx_skbuff[entry]);
+ rp->tx_skbuff[entry] = NULL;
+ entry = (++rp->dirty_tx) % TX_RING_SIZE;
+ }
+@@ -2011,11 +2011,7 @@ static void rhine_slow_event_task(struct work_struct *work)
+ if (intr_status & IntrPCIErr)
+ netif_warn(rp, hw, dev, "PCI error\n");
+
+- napi_disable(&rp->napi);
+- rhine_irq_disable(rp);
+- /* Slow and safe. Consider __napi_schedule as a replacement ? */
+- napi_enable(&rp->napi);
+- napi_schedule(&rp->napi);
++ iowrite16(RHINE_EVENT & 0xffff, rp->base + IntrEnable);
+
+ out_unlock:
+ mutex_unlock(&rp->task_lock);
+diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
+index e2a06fd..ba61c33 100644
+--- a/drivers/net/loopback.c
++++ b/drivers/net/loopback.c
+@@ -77,6 +77,11 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb,
+
+ skb_orphan(skb);
+
++ /* Before queueing this packet to netif_rx(),
++ * make sure dst is refcounted.
++ */
++ skb_dst_force(skb);
++
+ skb->protocol = eth_type_trans(skb, dev);
+
+ /* it's OK to use per_cpu_ptr() because BHs are off */
+diff --git a/drivers/net/wimax/i2400m/i2400m-usb.h b/drivers/net/wimax/i2400m/i2400m-usb.h
+index 6650fde..9f1e947 100644
+--- a/drivers/net/wimax/i2400m/i2400m-usb.h
++++ b/drivers/net/wimax/i2400m/i2400m-usb.h
+@@ -152,6 +152,9 @@ enum {
+ /* Device IDs */
+ USB_DEVICE_ID_I6050 = 0x0186,
+ USB_DEVICE_ID_I6050_2 = 0x0188,
++ USB_DEVICE_ID_I6150 = 0x07d6,
++ USB_DEVICE_ID_I6150_2 = 0x07d7,
++ USB_DEVICE_ID_I6150_3 = 0x07d9,
+ USB_DEVICE_ID_I6250 = 0x0187,
+ };
+
+diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
+index 713d033..080f363 100644
+--- a/drivers/net/wimax/i2400m/usb.c
++++ b/drivers/net/wimax/i2400m/usb.c
+@@ -510,6 +510,9 @@ int i2400mu_probe(struct usb_interface *iface,
+ switch (id->idProduct) {
+ case USB_DEVICE_ID_I6050:
+ case USB_DEVICE_ID_I6050_2:
++ case USB_DEVICE_ID_I6150:
++ case USB_DEVICE_ID_I6150_2:
++ case USB_DEVICE_ID_I6150_3:
+ case USB_DEVICE_ID_I6250:
+ i2400mu->i6050 = 1;
+ break;
+@@ -759,6 +762,9 @@ static
+ struct usb_device_id i2400mu_id_table[] = {
+ { USB_DEVICE(0x8086, USB_DEVICE_ID_I6050) },
+ { USB_DEVICE(0x8086, USB_DEVICE_ID_I6050_2) },
++ { USB_DEVICE(0x8087, USB_DEVICE_ID_I6150) },
++ { USB_DEVICE(0x8087, USB_DEVICE_ID_I6150_2) },
++ { USB_DEVICE(0x8087, USB_DEVICE_ID_I6150_3) },
+ { USB_DEVICE(0x8086, USB_DEVICE_ID_I6250) },
+ { USB_DEVICE(0x8086, 0x0181) },
+ { USB_DEVICE(0x8086, 0x1403) },
+diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
+index 2aab20e..68a4046 100644
+--- a/drivers/net/wireless/ath/ath5k/base.c
++++ b/drivers/net/wireless/ath/ath5k/base.c
+@@ -848,7 +848,7 @@ ath5k_txbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf)
+ return;
+ dma_unmap_single(ah->dev, bf->skbaddr, bf->skb->len,
+ DMA_TO_DEVICE);
+- dev_kfree_skb_any(bf->skb);
++ ieee80211_free_txskb(ah->hw, bf->skb);
+ bf->skb = NULL;
+ bf->skbaddr = 0;
+ bf->desc->ds_data = 0;
+@@ -1575,7 +1575,7 @@ ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
+ return;
+
+ drop_packet:
+- dev_kfree_skb_any(skb);
++ ieee80211_free_txskb(hw, skb);
+ }
+
+ static void
+diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+index d56453e..b010a77 100644
+--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
++++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+@@ -61,7 +61,7 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+ u16 qnum = skb_get_queue_mapping(skb);
+
+ if (WARN_ON(qnum >= ah->ah_capabilities.cap_queues.q_tx_num)) {
+- dev_kfree_skb_any(skb);
++ ieee80211_free_txskb(hw, skb);
+ return;
+ }
+
+diff --git a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
+index 6f7cf49..262e1e0 100644
+--- a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
++++ b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
+@@ -534,98 +534,98 @@ static const u32 ar9300_2p2_baseband_core[][2] = {
+
+ static const u32 ar9300Modes_high_power_tx_gain_table_2p2[][5] = {
+ /* Addr 5G_HT20 5G_HT40 2G_HT40 2G_HT20 */
+- {0x0000a2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352},
+- {0x0000a2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584},
+- {0x0000a2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800},
++ {0x0000a2dc, 0x0380c7fc, 0x0380c7fc, 0x03aaa352, 0x03aaa352},
++ {0x0000a2e0, 0x0000f800, 0x0000f800, 0x03ccc584, 0x03ccc584},
++ {0x0000a2e4, 0x03ff0000, 0x03ff0000, 0x03f0f800, 0x03f0f800},
+ {0x0000a2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000},
+- {0x0000a410, 0x000050d9, 0x000050d9, 0x000050d9, 0x000050d9},
+- {0x0000a500, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+- {0x0000a504, 0x06000003, 0x06000003, 0x04000002, 0x04000002},
+- {0x0000a508, 0x0a000020, 0x0a000020, 0x08000004, 0x08000004},
+- {0x0000a50c, 0x10000023, 0x10000023, 0x0b000200, 0x0b000200},
+- {0x0000a510, 0x16000220, 0x16000220, 0x0f000202, 0x0f000202},
+- {0x0000a514, 0x1c000223, 0x1c000223, 0x12000400, 0x12000400},
+- {0x0000a518, 0x21002220, 0x21002220, 0x16000402, 0x16000402},
+- {0x0000a51c, 0x27002223, 0x27002223, 0x19000404, 0x19000404},
+- {0x0000a520, 0x2b022220, 0x2b022220, 0x1c000603, 0x1c000603},
+- {0x0000a524, 0x2f022222, 0x2f022222, 0x21000a02, 0x21000a02},
+- {0x0000a528, 0x34022225, 0x34022225, 0x25000a04, 0x25000a04},
+- {0x0000a52c, 0x3a02222a, 0x3a02222a, 0x28000a20, 0x28000a20},
+- {0x0000a530, 0x3e02222c, 0x3e02222c, 0x2c000e20, 0x2c000e20},
+- {0x0000a534, 0x4202242a, 0x4202242a, 0x30000e22, 0x30000e22},
+- {0x0000a538, 0x4702244a, 0x4702244a, 0x34000e24, 0x34000e24},
+- {0x0000a53c, 0x4b02244c, 0x4b02244c, 0x38001640, 0x38001640},
+- {0x0000a540, 0x4e02246c, 0x4e02246c, 0x3c001660, 0x3c001660},
+- {0x0000a544, 0x52022470, 0x52022470, 0x3f001861, 0x3f001861},
+- {0x0000a548, 0x55022490, 0x55022490, 0x43001a81, 0x43001a81},
+- {0x0000a54c, 0x59022492, 0x59022492, 0x47001a83, 0x47001a83},
+- {0x0000a550, 0x5d022692, 0x5d022692, 0x4a001c84, 0x4a001c84},
+- {0x0000a554, 0x61022892, 0x61022892, 0x4e001ce3, 0x4e001ce3},
+- {0x0000a558, 0x65024890, 0x65024890, 0x52001ce5, 0x52001ce5},
+- {0x0000a55c, 0x69024892, 0x69024892, 0x56001ce9, 0x56001ce9},
+- {0x0000a560, 0x6e024c92, 0x6e024c92, 0x5a001ceb, 0x5a001ceb},
+- {0x0000a564, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+- {0x0000a568, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+- {0x0000a56c, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+- {0x0000a570, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+- {0x0000a574, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+- {0x0000a578, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+- {0x0000a57c, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec},
+- {0x0000a580, 0x00800000, 0x00800000, 0x00800000, 0x00800000},
+- {0x0000a584, 0x06800003, 0x06800003, 0x04800002, 0x04800002},
+- {0x0000a588, 0x0a800020, 0x0a800020, 0x08800004, 0x08800004},
+- {0x0000a58c, 0x10800023, 0x10800023, 0x0b800200, 0x0b800200},
+- {0x0000a590, 0x16800220, 0x16800220, 0x0f800202, 0x0f800202},
+- {0x0000a594, 0x1c800223, 0x1c800223, 0x12800400, 0x12800400},
+- {0x0000a598, 0x21802220, 0x21802220, 0x16800402, 0x16800402},
+- {0x0000a59c, 0x27802223, 0x27802223, 0x19800404, 0x19800404},
+- {0x0000a5a0, 0x2b822220, 0x2b822220, 0x1c800603, 0x1c800603},
+- {0x0000a5a4, 0x2f822222, 0x2f822222, 0x21800a02, 0x21800a02},
+- {0x0000a5a8, 0x34822225, 0x34822225, 0x25800a04, 0x25800a04},
+- {0x0000a5ac, 0x3a82222a, 0x3a82222a, 0x28800a20, 0x28800a20},
+- {0x0000a5b0, 0x3e82222c, 0x3e82222c, 0x2c800e20, 0x2c800e20},
+- {0x0000a5b4, 0x4282242a, 0x4282242a, 0x30800e22, 0x30800e22},
+- {0x0000a5b8, 0x4782244a, 0x4782244a, 0x34800e24, 0x34800e24},
+- {0x0000a5bc, 0x4b82244c, 0x4b82244c, 0x38801640, 0x38801640},
+- {0x0000a5c0, 0x4e82246c, 0x4e82246c, 0x3c801660, 0x3c801660},
+- {0x0000a5c4, 0x52822470, 0x52822470, 0x3f801861, 0x3f801861},
+- {0x0000a5c8, 0x55822490, 0x55822490, 0x43801a81, 0x43801a81},
+- {0x0000a5cc, 0x59822492, 0x59822492, 0x47801a83, 0x47801a83},
+- {0x0000a5d0, 0x5d822692, 0x5d822692, 0x4a801c84, 0x4a801c84},
+- {0x0000a5d4, 0x61822892, 0x61822892, 0x4e801ce3, 0x4e801ce3},
+- {0x0000a5d8, 0x65824890, 0x65824890, 0x52801ce5, 0x52801ce5},
+- {0x0000a5dc, 0x69824892, 0x69824892, 0x56801ce9, 0x56801ce9},
+- {0x0000a5e0, 0x6e824c92, 0x6e824c92, 0x5a801ceb, 0x5a801ceb},
+- {0x0000a5e4, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+- {0x0000a5e8, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+- {0x0000a5ec, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+- {0x0000a5f0, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+- {0x0000a5f4, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+- {0x0000a5f8, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
+- {0x0000a5fc, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec},
++ {0x0000a410, 0x000050d8, 0x000050d8, 0x000050d9, 0x000050d9},
++ {0x0000a500, 0x00002220, 0x00002220, 0x00000000, 0x00000000},
++ {0x0000a504, 0x04002222, 0x04002222, 0x04000002, 0x04000002},
++ {0x0000a508, 0x09002421, 0x09002421, 0x08000004, 0x08000004},
++ {0x0000a50c, 0x0d002621, 0x0d002621, 0x0b000200, 0x0b000200},
++ {0x0000a510, 0x13004620, 0x13004620, 0x0f000202, 0x0f000202},
++ {0x0000a514, 0x19004a20, 0x19004a20, 0x11000400, 0x11000400},
++ {0x0000a518, 0x1d004e20, 0x1d004e20, 0x15000402, 0x15000402},
++ {0x0000a51c, 0x21005420, 0x21005420, 0x19000404, 0x19000404},
++ {0x0000a520, 0x26005e20, 0x26005e20, 0x1b000603, 0x1b000603},
++ {0x0000a524, 0x2b005e40, 0x2b005e40, 0x1f000a02, 0x1f000a02},
++ {0x0000a528, 0x2f005e42, 0x2f005e42, 0x23000a04, 0x23000a04},
++ {0x0000a52c, 0x33005e44, 0x33005e44, 0x26000a20, 0x26000a20},
++ {0x0000a530, 0x38005e65, 0x38005e65, 0x2a000e20, 0x2a000e20},
++ {0x0000a534, 0x3c005e69, 0x3c005e69, 0x2e000e22, 0x2e000e22},
++ {0x0000a538, 0x40005e6b, 0x40005e6b, 0x31000e24, 0x31000e24},
++ {0x0000a53c, 0x44005e6d, 0x44005e6d, 0x34001640, 0x34001640},
++ {0x0000a540, 0x49005e72, 0x49005e72, 0x38001660, 0x38001660},
++ {0x0000a544, 0x4e005eb2, 0x4e005eb2, 0x3b001861, 0x3b001861},
++ {0x0000a548, 0x53005f12, 0x53005f12, 0x3e001a81, 0x3e001a81},
++ {0x0000a54c, 0x59025eb2, 0x59025eb2, 0x42001a83, 0x42001a83},
++ {0x0000a550, 0x5e025f12, 0x5e025f12, 0x44001c84, 0x44001c84},
++ {0x0000a554, 0x61027f12, 0x61027f12, 0x48001ce3, 0x48001ce3},
++ {0x0000a558, 0x6702bf12, 0x6702bf12, 0x4c001ce5, 0x4c001ce5},
++ {0x0000a55c, 0x6b02bf14, 0x6b02bf14, 0x50001ce9, 0x50001ce9},
++ {0x0000a560, 0x6f02bf16, 0x6f02bf16, 0x54001ceb, 0x54001ceb},
++ {0x0000a564, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
++ {0x0000a568, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
++ {0x0000a56c, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
++ {0x0000a570, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
++ {0x0000a574, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
++ {0x0000a578, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
++ {0x0000a57c, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec},
++ {0x0000a580, 0x00802220, 0x00802220, 0x00800000, 0x00800000},
++ {0x0000a584, 0x04802222, 0x04802222, 0x04800002, 0x04800002},
++ {0x0000a588, 0x09802421, 0x09802421, 0x08800004, 0x08800004},
++ {0x0000a58c, 0x0d802621, 0x0d802621, 0x0b800200, 0x0b800200},
++ {0x0000a590, 0x13804620, 0x13804620, 0x0f800202, 0x0f800202},
++ {0x0000a594, 0x19804a20, 0x19804a20, 0x11800400, 0x11800400},
++ {0x0000a598, 0x1d804e20, 0x1d804e20, 0x15800402, 0x15800402},
++ {0x0000a59c, 0x21805420, 0x21805420, 0x19800404, 0x19800404},
++ {0x0000a5a0, 0x26805e20, 0x26805e20, 0x1b800603, 0x1b800603},
++ {0x0000a5a4, 0x2b805e40, 0x2b805e40, 0x1f800a02, 0x1f800a02},
++ {0x0000a5a8, 0x2f805e42, 0x2f805e42, 0x23800a04, 0x23800a04},
++ {0x0000a5ac, 0x33805e44, 0x33805e44, 0x26800a20, 0x26800a20},
++ {0x0000a5b0, 0x38805e65, 0x38805e65, 0x2a800e20, 0x2a800e20},
++ {0x0000a5b4, 0x3c805e69, 0x3c805e69, 0x2e800e22, 0x2e800e22},
++ {0x0000a5b8, 0x40805e6b, 0x40805e6b, 0x31800e24, 0x31800e24},
++ {0x0000a5bc, 0x44805e6d, 0x44805e6d, 0x34801640, 0x34801640},
++ {0x0000a5c0, 0x49805e72, 0x49805e72, 0x38801660, 0x38801660},
++ {0x0000a5c4, 0x4e805eb2, 0x4e805eb2, 0x3b801861, 0x3b801861},
++ {0x0000a5c8, 0x53805f12, 0x53805f12, 0x3e801a81, 0x3e801a81},
++ {0x0000a5cc, 0x59825eb2, 0x59825eb2, 0x42801a83, 0x42801a83},
++ {0x0000a5d0, 0x5e825f12, 0x5e825f12, 0x44801c84, 0x44801c84},
++ {0x0000a5d4, 0x61827f12, 0x61827f12, 0x48801ce3, 0x48801ce3},
++ {0x0000a5d8, 0x6782bf12, 0x6782bf12, 0x4c801ce5, 0x4c801ce5},
++ {0x0000a5dc, 0x6b82bf14, 0x6b82bf14, 0x50801ce9, 0x50801ce9},
++ {0x0000a5e0, 0x6f82bf16, 0x6f82bf16, 0x54801ceb, 0x54801ceb},
++ {0x0000a5e4, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
++ {0x0000a5e8, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
++ {0x0000a5ec, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
++ {0x0000a5f0, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
++ {0x0000a5f4, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
++ {0x0000a5f8, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
++ {0x0000a5fc, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec},
+ {0x0000a600, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+ {0x0000a604, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+ {0x0000a608, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+ {0x0000a60c, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+- {0x0000a610, 0x00000000, 0x00000000, 0x00000000, 0x00000000},
+- {0x0000a614, 0x02004000, 0x02004000, 0x01404000, 0x01404000},
+- {0x0000a618, 0x02004801, 0x02004801, 0x01404501, 0x01404501},
+- {0x0000a61c, 0x02808a02, 0x02808a02, 0x02008501, 0x02008501},
+- {0x0000a620, 0x0380ce03, 0x0380ce03, 0x0280ca03, 0x0280ca03},
+- {0x0000a624, 0x04411104, 0x04411104, 0x03010c04, 0x03010c04},
+- {0x0000a628, 0x04411104, 0x04411104, 0x04014c04, 0x04014c04},
+- {0x0000a62c, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
+- {0x0000a630, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
+- {0x0000a634, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
+- {0x0000a638, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
+- {0x0000a63c, 0x04411104, 0x04411104, 0x04015005, 0x04015005},
+- {0x0000b2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352},
+- {0x0000b2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584},
+- {0x0000b2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800},
++ {0x0000a610, 0x00804000, 0x00804000, 0x00000000, 0x00000000},
++ {0x0000a614, 0x00804201, 0x00804201, 0x01404000, 0x01404000},
++ {0x0000a618, 0x0280c802, 0x0280c802, 0x01404501, 0x01404501},
++ {0x0000a61c, 0x0280ca03, 0x0280ca03, 0x02008501, 0x02008501},
++ {0x0000a620, 0x04c15104, 0x04c15104, 0x0280ca03, 0x0280ca03},
++ {0x0000a624, 0x04c15305, 0x04c15305, 0x03010c04, 0x03010c04},
++ {0x0000a628, 0x04c15305, 0x04c15305, 0x04014c04, 0x04014c04},
++ {0x0000a62c, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005},
++ {0x0000a630, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005},
++ {0x0000a634, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005},
++ {0x0000a638, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005},
++ {0x0000a63c, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005},
++ {0x0000b2dc, 0x0380c7fc, 0x0380c7fc, 0x03aaa352, 0x03aaa352},
++ {0x0000b2e0, 0x0000f800, 0x0000f800, 0x03ccc584, 0x03ccc584},
++ {0x0000b2e4, 0x03ff0000, 0x03ff0000, 0x03f0f800, 0x03f0f800},
+ {0x0000b2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000},
+- {0x0000c2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352},
+- {0x0000c2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584},
+- {0x0000c2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800},
++ {0x0000c2dc, 0x0380c7fc, 0x0380c7fc, 0x03aaa352, 0x03aaa352},
++ {0x0000c2e0, 0x0000f800, 0x0000f800, 0x03ccc584, 0x03ccc584},
++ {0x0000c2e4, 0x03ff0000, 0x03ff0000, 0x03f0f800, 0x03f0f800},
+ {0x0000c2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000},
+ {0x00016044, 0x012492d4, 0x012492d4, 0x012492d4, 0x012492d4},
+ {0x00016048, 0x66480001, 0x66480001, 0x66480001, 0x66480001},
+diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+index 84b558d..678854a 100644
+--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+@@ -903,6 +903,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
+ AR_PHY_CL_TAB_1,
+ AR_PHY_CL_TAB_2 };
+
++ ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
++
+ if (rtt) {
+ if (!ar9003_hw_rtt_restore(ah, chan))
+ run_rtt_cal = true;
+diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+index 3a1ff55..a633aea 100644
+--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
++++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+@@ -68,13 +68,13 @@
+ #define AR9300_BASE_ADDR 0x3ff
+ #define AR9300_BASE_ADDR_512 0x1ff
+
+-#define AR9300_OTP_BASE 0x14000
+-#define AR9300_OTP_STATUS 0x15f18
++#define AR9300_OTP_BASE (AR_SREV_9340(ah) ? 0x30000 : 0x14000)
++#define AR9300_OTP_STATUS (AR_SREV_9340(ah) ? 0x30018 : 0x15f18)
+ #define AR9300_OTP_STATUS_TYPE 0x7
+ #define AR9300_OTP_STATUS_VALID 0x4
+ #define AR9300_OTP_STATUS_ACCESS_BUSY 0x2
+ #define AR9300_OTP_STATUS_SM_BUSY 0x1
+-#define AR9300_OTP_READ_DATA 0x15f1c
++#define AR9300_OTP_READ_DATA (AR_SREV_9340(ah) ? 0x3001c : 0x15f1c)
+
+ enum targetPowerHTRates {
+ HT_TARGET_RATE_0_8_16,
+diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+index e476f9f..6b23a50 100644
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -533,7 +533,7 @@ static void ar9003_hw_init_bb(struct ath_hw *ah,
+ ath9k_hw_synth_delay(ah, chan, synthDelay);
+ }
+
+-static void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
++void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
+ {
+ switch (rx) {
+ case 0x5:
+diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
+index 1b48414..4527d0d 100644
+--- a/drivers/net/wireless/ath/ath9k/beacon.c
++++ b/drivers/net/wireless/ath/ath9k/beacon.c
+@@ -147,6 +147,7 @@ static struct ath_buf *ath9k_beacon_generate(struct ieee80211_hw *hw,
+ skb->len, DMA_TO_DEVICE);
+ dev_kfree_skb_any(skb);
+ bf->bf_buf_addr = 0;
++ bf->bf_mpdu = NULL;
+ }
+
+ skb = ieee80211_beacon_get(hw, vif);
+diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
+index e5cceb0..bbd249d 100644
+--- a/drivers/net/wireless/ath/ath9k/calib.c
++++ b/drivers/net/wireless/ath/ath9k/calib.c
+@@ -69,6 +69,7 @@ s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
+
+ if (chan && chan->noisefloor) {
+ s8 delta = chan->noisefloor -
++ ATH9K_NF_CAL_NOISE_THRESH -
+ ath9k_hw_get_default_nf(ah, chan);
+ if (delta > 0)
+ noise += delta;
+diff --git a/drivers/net/wireless/ath/ath9k/calib.h b/drivers/net/wireless/ath/ath9k/calib.h
+index 1060c19..60dcb6c 100644
+--- a/drivers/net/wireless/ath/ath9k/calib.h
++++ b/drivers/net/wireless/ath/ath9k/calib.h
+@@ -21,6 +21,9 @@
+
+ #define AR_PHY_CCA_FILTERWINDOW_LENGTH 5
+
++/* Internal noise floor can vary by about 6db depending on the frequency */
++#define ATH9K_NF_CAL_NOISE_THRESH 6
++
+ #define NUM_NF_READINGS 6
+ #define ATH9K_NF_CAL_HIST_MAX 5
+
+diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c
+index 4a9570d..aac4a40 100644
+--- a/drivers/net/wireless/ath/ath9k/htc_hst.c
++++ b/drivers/net/wireless/ath/ath9k/htc_hst.c
+@@ -344,6 +344,8 @@ void ath9k_htc_txcompletion_cb(struct htc_target *htc_handle,
+ endpoint->ep_callbacks.tx(endpoint->ep_callbacks.priv,
+ skb, htc_hdr->endpoint_id,
+ txok);
++ } else {
++ kfree_skb(skb);
+ }
+ }
+
+diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
+index de6968f..c59edc7 100644
+--- a/drivers/net/wireless/ath/ath9k/hw.h
++++ b/drivers/net/wireless/ath/ath9k/hw.h
+@@ -1060,6 +1060,7 @@ int ar9003_paprd_create_curve(struct ath_hw *ah,
+ int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
+ int ar9003_paprd_init_table(struct ath_hw *ah);
+ bool ar9003_paprd_is_done(struct ath_hw *ah);
++void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
+
+ /* Hardware family op attach helpers */
+ void ar5008_hw_attach_phy_ops(struct ath_hw *ah);
+diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
+index 4480c0c..6b12d48 100644
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -744,6 +744,7 @@ static struct ath_buf *ath_get_next_rx_buf(struct ath_softc *sc,
+ return NULL;
+ }
+
++ list_del(&bf->list);
+ if (!bf->bf_mpdu)
+ return bf;
+
+@@ -1251,14 +1252,15 @@ requeue_drop_frag:
+ sc->rx.frag = NULL;
+ }
+ requeue:
++ list_add_tail(&bf->list, &sc->rx.rxbuf);
++ if (flush)
++ continue;
++
+ if (edma) {
+- list_add_tail(&bf->list, &sc->rx.rxbuf);
+ ath_rx_edma_buf_link(sc, qtype);
+ } else {
+- list_move_tail(&bf->list, &sc->rx.rxbuf);
+ ath_rx_buf_link(sc, bf);
+- if (!flush)
+- ath9k_hw_rxena(ah);
++ ath9k_hw_rxena(ah);
+ }
+ } while (1);
+
+diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
+index 7c899fc..ac593ab 100644
+--- a/drivers/net/wireless/b43/b43.h
++++ b/drivers/net/wireless/b43/b43.h
+@@ -7,6 +7,7 @@
+ #include <linux/hw_random.h>
+ #include <linux/bcma/bcma.h>
+ #include <linux/ssb/ssb.h>
++#include <linux/completion.h>
+ #include <net/mac80211.h>
+
+ #include "debugfs.h"
+@@ -718,6 +719,10 @@ enum b43_firmware_file_type {
+ struct b43_request_fw_context {
+ /* The device we are requesting the fw for. */
+ struct b43_wldev *dev;
++ /* a completion event structure needed if this call is asynchronous */
++ struct completion fw_load_complete;
++ /* a pointer to the firmware object */
++ const struct firmware *blob;
+ /* The type of firmware to request. */
+ enum b43_firmware_file_type req_type;
+ /* Error messages for each firmware type. */
+diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
+index 777cd74..38bc5a7 100644
+--- a/drivers/net/wireless/b43/dma.c
++++ b/drivers/net/wireless/b43/dma.c
+@@ -409,7 +409,10 @@ static inline
+ struct b43_dmadesc_meta *meta)
+ {
+ if (meta->skb) {
+- dev_kfree_skb_any(meta->skb);
++ if (ring->tx)
++ ieee80211_free_txskb(ring->dev->wl->hw, meta->skb);
++ else
++ dev_kfree_skb_any(meta->skb);
+ meta->skb = NULL;
+ }
+ }
+@@ -1454,7 +1457,7 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
+ if (unlikely(err == -ENOKEY)) {
+ /* Drop this packet, as we don't have the encryption key
+ * anymore and must not transmit it unencrypted. */
+- dev_kfree_skb_any(skb);
++ ieee80211_free_txskb(dev->wl->hw, skb);
+ err = 0;
+ goto out;
+ }
+diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
+index 315b96e..9fdd198 100644
+--- a/drivers/net/wireless/b43/dma.h
++++ b/drivers/net/wireless/b43/dma.h
+@@ -169,7 +169,7 @@ struct b43_dmadesc_generic {
+
+ /* DMA engine tuning knobs */
+ #define B43_TXRING_SLOTS 256
+-#define B43_RXRING_SLOTS 64
++#define B43_RXRING_SLOTS 256
+ #define B43_DMA0_RX_FW598_BUFSIZE (B43_DMA0_RX_FW598_FO + IEEE80211_MAX_FRAME_LEN)
+ #define B43_DMA0_RX_FW351_BUFSIZE (B43_DMA0_RX_FW351_FO + IEEE80211_MAX_FRAME_LEN)
+
+diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
+index 46d9d4e..b70bc2d 100644
+--- a/drivers/net/wireless/b43/main.c
++++ b/drivers/net/wireless/b43/main.c
+@@ -2088,11 +2088,18 @@ static void b43_print_fw_helptext(struct b43_wl *wl, bool error)
+ b43warn(wl, text);
+ }
+
++static void b43_fw_cb(const struct firmware *firmware, void *context)
++{
++ struct b43_request_fw_context *ctx = context;
++
++ ctx->blob = firmware;
++ complete(&ctx->fw_load_complete);
++}
++
+ int b43_do_request_fw(struct b43_request_fw_context *ctx,
+ const char *name,
+- struct b43_firmware_file *fw)
++ struct b43_firmware_file *fw, bool async)
+ {
+- const struct firmware *blob;
+ struct b43_fw_header *hdr;
+ u32 size;
+ int err;
+@@ -2131,11 +2138,31 @@ int b43_do_request_fw(struct b43_request_fw_context *ctx,
+ B43_WARN_ON(1);
+ return -ENOSYS;
+ }
+- err = request_firmware(&blob, ctx->fwname, ctx->dev->dev->dev);
++ if (async) {
++ /* do this part asynchronously */
++ init_completion(&ctx->fw_load_complete);
++ err = request_firmware_nowait(THIS_MODULE, 1, ctx->fwname,
++ ctx->dev->dev->dev, GFP_KERNEL,
++ ctx, b43_fw_cb);
++ if (err < 0) {
++ pr_err("Unable to load firmware\n");
++ return err;
++ }
++ /* stall here until fw ready */
++ wait_for_completion(&ctx->fw_load_complete);
++ if (ctx->blob)
++ goto fw_ready;
++ /* On some ARM systems, the async request will fail, but the next sync
++ * request works. For this reason, we dall through here
++ */
++ }
++ err = request_firmware(&ctx->blob, ctx->fwname,
++ ctx->dev->dev->dev);
+ if (err == -ENOENT) {
+ snprintf(ctx->errors[ctx->req_type],
+ sizeof(ctx->errors[ctx->req_type]),
+- "Firmware file \"%s\" not found\n", ctx->fwname);
++ "Firmware file \"%s\" not found\n",
++ ctx->fwname);
+ return err;
+ } else if (err) {
+ snprintf(ctx->errors[ctx->req_type],
+@@ -2144,14 +2171,15 @@ int b43_do_request_fw(struct b43_request_fw_context *ctx,
+ ctx->fwname, err);
+ return err;
+ }
+- if (blob->size < sizeof(struct b43_fw_header))
++fw_ready:
++ if (ctx->blob->size < sizeof(struct b43_fw_header))
+ goto err_format;
+- hdr = (struct b43_fw_header *)(blob->data);
++ hdr = (struct b43_fw_header *)(ctx->blob->data);
+ switch (hdr->type) {
+ case B43_FW_TYPE_UCODE:
+ case B43_FW_TYPE_PCM:
+ size = be32_to_cpu(hdr->size);
+- if (size != blob->size - sizeof(struct b43_fw_header))
++ if (size != ctx->blob->size - sizeof(struct b43_fw_header))
+ goto err_format;
+ /* fallthrough */
+ case B43_FW_TYPE_IV:
+@@ -2162,7 +2190,7 @@ int b43_do_request_fw(struct b43_request_fw_context *ctx,
+ goto err_format;
+ }
+
+- fw->data = blob;
++ fw->data = ctx->blob;
+ fw->filename = name;
+ fw->type = ctx->req_type;
+
+@@ -2172,7 +2200,7 @@ err_format:
+ snprintf(ctx->errors[ctx->req_type],
+ sizeof(ctx->errors[ctx->req_type]),
+ "Firmware file \"%s\" format error.\n", ctx->fwname);
+- release_firmware(blob);
++ release_firmware(ctx->blob);
+
+ return -EPROTO;
+ }
+@@ -2223,7 +2251,7 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx)
+ goto err_no_ucode;
+ }
+ }
+- err = b43_do_request_fw(ctx, filename, &fw->ucode);
++ err = b43_do_request_fw(ctx, filename, &fw->ucode, true);
+ if (err)
+ goto err_load;
+
+@@ -2235,7 +2263,7 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx)
+ else
+ goto err_no_pcm;
+ fw->pcm_request_failed = false;
+- err = b43_do_request_fw(ctx, filename, &fw->pcm);
++ err = b43_do_request_fw(ctx, filename, &fw->pcm, false);
+ if (err == -ENOENT) {
+ /* We did not find a PCM file? Not fatal, but
+ * core rev <= 10 must do without hwcrypto then. */
+@@ -2296,7 +2324,7 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx)
+ default:
+ goto err_no_initvals;
+ }
+- err = b43_do_request_fw(ctx, filename, &fw->initvals);
++ err = b43_do_request_fw(ctx, filename, &fw->initvals, false);
+ if (err)
+ goto err_load;
+
+@@ -2355,7 +2383,7 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx)
+ default:
+ goto err_no_initvals;
+ }
+- err = b43_do_request_fw(ctx, filename, &fw->initvals_band);
++ err = b43_do_request_fw(ctx, filename, &fw->initvals_band, false);
+ if (err)
+ goto err_load;
+
+@@ -3397,7 +3425,7 @@ static void b43_tx_work(struct work_struct *work)
+ break;
+ }
+ if (unlikely(err))
+- dev_kfree_skb(skb); /* Drop it */
++ ieee80211_free_txskb(wl->hw, skb);
+ err = 0;
+ }
+
+@@ -3418,7 +3446,7 @@ static void b43_op_tx(struct ieee80211_hw *hw,
+
+ if (unlikely(skb->len < 2 + 2 + 6)) {
+ /* Too short, this can't be a valid frame. */
+- dev_kfree_skb_any(skb);
++ ieee80211_free_txskb(hw, skb);
+ return;
+ }
+ B43_WARN_ON(skb_shinfo(skb)->nr_frags);
+@@ -4228,8 +4256,12 @@ redo:
+
+ /* Drain all TX queues. */
+ for (queue_num = 0; queue_num < B43_QOS_QUEUE_NUM; queue_num++) {
+- while (skb_queue_len(&wl->tx_queue[queue_num]))
+- dev_kfree_skb(skb_dequeue(&wl->tx_queue[queue_num]));
++ while (skb_queue_len(&wl->tx_queue[queue_num])) {
++ struct sk_buff *skb;
++
++ skb = skb_dequeue(&wl->tx_queue[queue_num]);
++ ieee80211_free_txskb(wl->hw, skb);
++ }
+ }
+
+ b43_mac_suspend(dev);
+diff --git a/drivers/net/wireless/b43/main.h b/drivers/net/wireless/b43/main.h
+index 8c684cd..abac25e 100644
+--- a/drivers/net/wireless/b43/main.h
++++ b/drivers/net/wireless/b43/main.h
+@@ -137,9 +137,8 @@ void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on);
+
+
+ struct b43_request_fw_context;
+-int b43_do_request_fw(struct b43_request_fw_context *ctx,
+- const char *name,
+- struct b43_firmware_file *fw);
++int b43_do_request_fw(struct b43_request_fw_context *ctx, const char *name,
++ struct b43_firmware_file *fw, bool async);
+ void b43_do_release_fw(struct b43_firmware_file *fw);
+
+ #endif /* B43_MAIN_H_ */
+diff --git a/drivers/net/wireless/b43/pio.c b/drivers/net/wireless/b43/pio.c
+index 3533ab8..a73ff8c 100644
+--- a/drivers/net/wireless/b43/pio.c
++++ b/drivers/net/wireless/b43/pio.c
+@@ -196,7 +196,7 @@ static void b43_pio_cancel_tx_packets(struct b43_pio_txqueue *q)
+ for (i = 0; i < ARRAY_SIZE(q->packets); i++) {
+ pack = &(q->packets[i]);
+ if (pack->skb) {
+- dev_kfree_skb_any(pack->skb);
++ ieee80211_free_txskb(q->dev->wl->hw, pack->skb);
+ pack->skb = NULL;
+ }
+ }
+@@ -552,7 +552,7 @@ int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
+ if (unlikely(err == -ENOKEY)) {
+ /* Drop this packet, as we don't have the encryption key
+ * anymore and must not transmit it unencrypted. */
+- dev_kfree_skb_any(skb);
++ ieee80211_free_txskb(dev->wl->hw, skb);
+ err = 0;
+ goto out;
+ }
+diff --git a/drivers/net/wireless/b43legacy/b43legacy.h b/drivers/net/wireless/b43legacy/b43legacy.h
+index a29da67..482476f 100644
+--- a/drivers/net/wireless/b43legacy/b43legacy.h
++++ b/drivers/net/wireless/b43legacy/b43legacy.h
+@@ -13,6 +13,7 @@
+
+ #include <linux/ssb/ssb.h>
+ #include <linux/ssb/ssb_driver_chipcommon.h>
++#include <linux/completion.h>
+
+ #include <net/mac80211.h>
+
+@@ -733,6 +734,10 @@ struct b43legacy_wldev {
+
+ /* Firmware data */
+ struct b43legacy_firmware fw;
++ const struct firmware *fwp; /* needed to pass fw pointer */
++
++ /* completion struct for firmware loading */
++ struct completion fw_load_complete;
+
+ /* Devicelist in struct b43legacy_wl (all 802.11 cores) */
+ struct list_head list;
+diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
+index 0ef08e0..aa87fb7 100644
+--- a/drivers/net/wireless/b43legacy/main.c
++++ b/drivers/net/wireless/b43legacy/main.c
+@@ -1513,9 +1513,17 @@ static void b43legacy_print_fw_helptext(struct b43legacy_wl *wl)
+ "and download the correct firmware (version 3).\n");
+ }
+
++static void b43legacy_fw_cb(const struct firmware *firmware, void *context)
++{
++ struct b43legacy_wldev *dev = context;
++
++ dev->fwp = firmware;
++ complete(&dev->fw_load_complete);
++}
++
+ static int do_request_fw(struct b43legacy_wldev *dev,
+ const char *name,
+- const struct firmware **fw)
++ const struct firmware **fw, bool async)
+ {
+ char path[sizeof(modparam_fwpostfix) + 32];
+ struct b43legacy_fw_header *hdr;
+@@ -1528,7 +1536,24 @@ static int do_request_fw(struct b43legacy_wldev *dev,
+ snprintf(path, ARRAY_SIZE(path),
+ "b43legacy%s/%s.fw",
+ modparam_fwpostfix, name);
+- err = request_firmware(fw, path, dev->dev->dev);
++ b43legacyinfo(dev->wl, "Loading firmware %s\n", path);
++ if (async) {
++ init_completion(&dev->fw_load_complete);
++ err = request_firmware_nowait(THIS_MODULE, 1, path,
++ dev->dev->dev, GFP_KERNEL,
++ dev, b43legacy_fw_cb);
++ if (err) {
++ b43legacyerr(dev->wl, "Unable to load firmware\n");
++ return err;
++ }
++ /* stall here until fw ready */
++ wait_for_completion(&dev->fw_load_complete);
++ if (!dev->fwp)
++ err = -EINVAL;
++ *fw = dev->fwp;
++ } else {
++ err = request_firmware(fw, path, dev->dev->dev);
++ }
+ if (err) {
+ b43legacyerr(dev->wl, "Firmware file \"%s\" not found "
+ "or load failed.\n", path);
+@@ -1580,7 +1605,7 @@ static void b43legacy_request_firmware(struct work_struct *work)
+ filename = "ucode4";
+ else
+ filename = "ucode5";
+- err = do_request_fw(dev, filename, &fw->ucode);
++ err = do_request_fw(dev, filename, &fw->ucode, true);
+ if (err)
+ goto err_load;
+ }
+@@ -1589,7 +1614,7 @@ static void b43legacy_request_firmware(struct work_struct *work)
+ filename = "pcm4";
+ else
+ filename = "pcm5";
+- err = do_request_fw(dev, filename, &fw->pcm);
++ err = do_request_fw(dev, filename, &fw->pcm, false);
+ if (err)
+ goto err_load;
+ }
+@@ -1607,7 +1632,7 @@ static void b43legacy_request_firmware(struct work_struct *work)
+ default:
+ goto err_no_initvals;
+ }
+- err = do_request_fw(dev, filename, &fw->initvals);
++ err = do_request_fw(dev, filename, &fw->initvals, false);
+ if (err)
+ goto err_load;
+ }
+@@ -1627,7 +1652,7 @@ static void b43legacy_request_firmware(struct work_struct *work)
+ default:
+ goto err_no_initvals;
+ }
+- err = do_request_fw(dev, filename, &fw->initvals_band);
++ err = do_request_fw(dev, filename, &fw->initvals_band, false);
+ if (err)
+ goto err_load;
+ }
+diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+index a5edebe..c110674 100644
+--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+@@ -1394,9 +1394,10 @@ void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic)
+ #endif
+ t->ms = ms;
+ t->periodic = (bool) periodic;
+- t->set = true;
+-
+- atomic_inc(&t->wl->callbacks);
++ if (!t->set) {
++ t->set = true;
++ atomic_inc(&t->wl->callbacks);
++ }
+
+ ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms));
+ }
+diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
+index 0370403..27eccd9 100644
+--- a/drivers/net/wireless/iwlegacy/common.c
++++ b/drivers/net/wireless/iwlegacy/common.c
+@@ -3957,17 +3957,21 @@ il_connection_init_rx_config(struct il_priv *il)
+
+ memset(&il->staging, 0, sizeof(il->staging));
+
+- if (!il->vif) {
++ switch (il->iw_mode) {
++ case NL80211_IFTYPE_UNSPECIFIED:
+ il->staging.dev_type = RXON_DEV_TYPE_ESS;
+- } else if (il->vif->type == NL80211_IFTYPE_STATION) {
++ break;
++ case NL80211_IFTYPE_STATION:
+ il->staging.dev_type = RXON_DEV_TYPE_ESS;
+ il->staging.filter_flags = RXON_FILTER_ACCEPT_GRP_MSK;
+- } else if (il->vif->type == NL80211_IFTYPE_ADHOC) {
++ break;
++ case NL80211_IFTYPE_ADHOC:
+ il->staging.dev_type = RXON_DEV_TYPE_IBSS;
+ il->staging.flags = RXON_FLG_SHORT_PREAMBLE_MSK;
+ il->staging.filter_flags =
+ RXON_FILTER_BCON_AWARE_MSK | RXON_FILTER_ACCEPT_GRP_MSK;
+- } else {
++ break;
++ default:
+ IL_ERR("Unsupported interface type %d\n", il->vif->type);
+ return;
+ }
+@@ -4550,8 +4554,7 @@ out:
+ EXPORT_SYMBOL(il_mac_add_interface);
+
+ static void
+-il_teardown_interface(struct il_priv *il, struct ieee80211_vif *vif,
+- bool mode_change)
++il_teardown_interface(struct il_priv *il, struct ieee80211_vif *vif)
+ {
+ lockdep_assert_held(&il->mutex);
+
+@@ -4560,9 +4563,7 @@ il_teardown_interface(struct il_priv *il, struct ieee80211_vif *vif,
+ il_force_scan_end(il);
+ }
+
+- if (!mode_change)
+- il_set_mode(il);
+-
++ il_set_mode(il);
+ }
+
+ void
+@@ -4575,8 +4576,8 @@ il_mac_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+
+ WARN_ON(il->vif != vif);
+ il->vif = NULL;
+-
+- il_teardown_interface(il, vif, false);
++ il->iw_mode = NL80211_IFTYPE_UNSPECIFIED;
++ il_teardown_interface(il, vif);
+ memset(il->bssid, 0, ETH_ALEN);
+
+ D_MAC80211("leave\n");
+@@ -4685,18 +4686,10 @@ il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ }
+
+ /* success */
+- il_teardown_interface(il, vif, true);
+ vif->type = newtype;
+ vif->p2p = false;
+- err = il_set_mode(il);
+- WARN_ON(err);
+- /*
+- * We've switched internally, but submitting to the
+- * device may have failed for some reason. Mask this
+- * error, because otherwise mac80211 will not switch
+- * (and set the interface type back) and we'll be
+- * out of sync with it.
+- */
++ il->iw_mode = newtype;
++ il_teardown_interface(il, vif);
+ err = 0;
+
+ out:
+diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
+index 13fbc4e..b879e13 100644
+--- a/drivers/net/wireless/mwifiex/pcie.c
++++ b/drivers/net/wireless/mwifiex/pcie.c
+@@ -161,7 +161,7 @@ static int mwifiex_pcie_suspend(struct pci_dev *pdev, pm_message_t state)
+
+ if (pdev) {
+ card = (struct pcie_service_card *) pci_get_drvdata(pdev);
+- if (!card || card->adapter) {
++ if (!card || !card->adapter) {
+ pr_err("Card or adapter structure is not valid\n");
+ return 0;
+ }
+diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
+index fb21360..8951285 100644
+--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
++++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
+@@ -53,7 +53,6 @@ int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
+ */
+ int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
+ {
+- bool cancel_flag = false;
+ int status;
+ struct cmd_ctrl_node *cmd_queued;
+
+@@ -67,14 +66,11 @@ int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
+ atomic_inc(&adapter->cmd_pending);
+
+ /* Wait for completion */
+- wait_event_interruptible(adapter->cmd_wait_q.wait,
+- *(cmd_queued->condition));
+- if (!*(cmd_queued->condition))
+- cancel_flag = true;
+-
+- if (cancel_flag) {
+- mwifiex_cancel_pending_ioctl(adapter);
+- dev_dbg(adapter->dev, "cmd cancel\n");
++ status = wait_event_interruptible(adapter->cmd_wait_q.wait,
++ *(cmd_queued->condition));
++ if (status) {
++ dev_err(adapter->dev, "cmd_wait_q terminated: %d\n", status);
++ return status;
+ }
+
+ status = adapter->cmd_wait_q.status;
+@@ -427,8 +423,11 @@ int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
+ return false;
+ }
+
+- wait_event_interruptible(adapter->hs_activate_wait_q,
+- adapter->hs_activate_wait_q_woken);
++ if (wait_event_interruptible(adapter->hs_activate_wait_q,
++ adapter->hs_activate_wait_q_woken)) {
++ dev_err(adapter->dev, "hs_activate_wait_q terminated\n");
++ return false;
++ }
+
+ return true;
+ }
+diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c
+index effb044..3d4dd4d 100644
+--- a/drivers/net/wireless/p54/p54usb.c
++++ b/drivers/net/wireless/p54/p54usb.c
+@@ -47,6 +47,7 @@ static struct usb_device_id p54u_table[] = {
+ {USB_DEVICE(0x0411, 0x0050)}, /* Buffalo WLI2-USB2-G54 */
+ {USB_DEVICE(0x045e, 0x00c2)}, /* Microsoft MN-710 */
+ {USB_DEVICE(0x0506, 0x0a11)}, /* 3COM 3CRWE254G72 */
++ {USB_DEVICE(0x0675, 0x0530)}, /* DrayTek Vigor 530 */
+ {USB_DEVICE(0x06b9, 0x0120)}, /* Thomson SpeedTouch 120g */
+ {USB_DEVICE(0x0707, 0xee06)}, /* SMC 2862W-G */
+ {USB_DEVICE(0x07aa, 0x001c)}, /* Corega CG-WLUSB2GT */
+@@ -82,7 +83,9 @@ static struct usb_device_id p54u_table[] = {
+ {USB_DEVICE(0x06a9, 0x000e)}, /* Westell 802.11g USB (A90-211WG-01) */
+ {USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */
+ {USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */
++ {USB_DEVICE(0x0803, 0x4310)}, /* Zoom 4410a */
+ {USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */
++ {USB_DEVICE(0x083a, 0x4531)}, /* T-Com Sinus 154 data II */
+ {USB_DEVICE(0x083a, 0xc501)}, /* Zoom Wireless-G 4410 */
+ {USB_DEVICE(0x083a, 0xf503)}, /* Accton FD7050E ver 1010ec */
+ {USB_DEVICE(0x0846, 0x4240)}, /* Netgear WG111 (v2) */
+@@ -101,6 +104,7 @@ static struct usb_device_id p54u_table[] = {
+ {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */
+ {USB_DEVICE(0x1413, 0x5400)}, /* Telsey 802.11g USB2.0 Adapter */
+ {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */
++ /* {USB_DEVICE(0x15a9, 0x0002)}, * Also SparkLAN WL-682 with 3887 */
+ {USB_DEVICE(0x1668, 0x1050)}, /* Actiontec 802UIG-1 */
+ {USB_DEVICE(0x1740, 0x1000)}, /* Senao NUB-350 */
+ {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */
+diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c
+index 942e56b..a37df3a 100644
+--- a/drivers/net/wireless/rtlwifi/base.c
++++ b/drivers/net/wireless/rtlwifi/base.c
+@@ -980,7 +980,8 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
+ is_tx ? "Tx" : "Rx");
+
+ if (is_tx) {
+- rtl_lps_leave(hw);
++ schedule_work(&rtlpriv->
++ works.lps_leave_work);
+ ppsc->last_delaylps_stamp_jiffies =
+ jiffies;
+ }
+@@ -990,7 +991,7 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
+ }
+ } else if (ETH_P_ARP == ether_type) {
+ if (is_tx) {
+- rtl_lps_leave(hw);
++ schedule_work(&rtlpriv->works.lps_leave_work);
+ ppsc->last_delaylps_stamp_jiffies = jiffies;
+ }
+
+@@ -1000,7 +1001,7 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
+ "802.1X %s EAPOL pkt!!\n", is_tx ? "Tx" : "Rx");
+
+ if (is_tx) {
+- rtl_lps_leave(hw);
++ schedule_work(&rtlpriv->works.lps_leave_work);
+ ppsc->last_delaylps_stamp_jiffies = jiffies;
+ }
+
+diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+index b7e6607..6395412 100644
+--- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
++++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+@@ -285,6 +285,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = {
+ {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x817f, rtl92cu_hal_cfg)},
+ /* RTL8188CUS-VL */
+ {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x818a, rtl92cu_hal_cfg)},
++ {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x819a, rtl92cu_hal_cfg)},
+ /* 8188 Combo for BC4 */
+ {RTL_USB_DEVICE(USB_VENDER_ID_REALTEK, 0x8754, rtl92cu_hal_cfg)},
+
+diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
+index aa970fc..6ce8484 100644
+--- a/drivers/net/wireless/rtlwifi/usb.c
++++ b/drivers/net/wireless/rtlwifi/usb.c
+@@ -42,8 +42,12 @@
+
+ static void usbctrl_async_callback(struct urb *urb)
+ {
+- if (urb)
+- kfree(urb->context);
++ if (urb) {
++ /* free dr */
++ kfree(urb->setup_packet);
++ /* free databuf */
++ kfree(urb->transfer_buffer);
++ }
+ }
+
+ static int _usbctrl_vendorreq_async_write(struct usb_device *udev, u8 request,
+@@ -55,39 +59,47 @@ static int _usbctrl_vendorreq_async_write(struct usb_device *udev, u8 request,
+ u8 reqtype;
+ struct usb_ctrlrequest *dr;
+ struct urb *urb;
+- struct rtl819x_async_write_data {
+- u8 data[REALTEK_USB_VENQT_MAX_BUF_SIZE];
+- struct usb_ctrlrequest dr;
+- } *buf;
++ const u16 databuf_maxlen = REALTEK_USB_VENQT_MAX_BUF_SIZE;
++ u8 *databuf;
++
++ if (WARN_ON_ONCE(len > databuf_maxlen))
++ len = databuf_maxlen;
+
+ pipe = usb_sndctrlpipe(udev, 0); /* write_out */
+ reqtype = REALTEK_USB_VENQT_WRITE;
+
+- buf = kmalloc(sizeof(*buf), GFP_ATOMIC);
+- if (!buf)
++ dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
++ if (!dr)
++ return -ENOMEM;
++
++ databuf = kmalloc(databuf_maxlen, GFP_ATOMIC);
++ if (!databuf) {
++ kfree(dr);
+ return -ENOMEM;
++ }
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb) {
+- kfree(buf);
++ kfree(databuf);
++ kfree(dr);
+ return -ENOMEM;
+ }
+
+- dr = &buf->dr;
+-
+ dr->bRequestType = reqtype;
+ dr->bRequest = request;
+ dr->wValue = cpu_to_le16(value);
+ dr->wIndex = cpu_to_le16(index);
+ dr->wLength = cpu_to_le16(len);
+ /* data are already in little-endian order */
+- memcpy(buf, pdata, len);
++ memcpy(databuf, pdata, len);
+ usb_fill_control_urb(urb, udev, pipe,
+- (unsigned char *)dr, buf, len,
+- usbctrl_async_callback, buf);
++ (unsigned char *)dr, databuf, len,
++ usbctrl_async_callback, NULL);
+ rc = usb_submit_urb(urb, GFP_ATOMIC);
+- if (rc < 0)
+- kfree(buf);
++ if (rc < 0) {
++ kfree(databuf);
++ kfree(dr);
++ }
+ usb_free_urb(urb);
+ return rc;
+ }
+@@ -210,17 +222,16 @@ static void _usb_writeN_sync(struct rtl_priv *rtlpriv, u32 addr, void *data,
+ u16 index = REALTEK_USB_VENQT_CMD_IDX;
+ int pipe = usb_sndctrlpipe(udev, 0); /* write_out */
+ u8 *buffer;
+- dma_addr_t dma_addr;
+
+- wvalue = (u16)(addr&0x0000ffff);
+- buffer = usb_alloc_coherent(udev, (size_t)len, GFP_ATOMIC, &dma_addr);
++ wvalue = (u16)(addr & 0x0000ffff);
++ buffer = kmalloc(len, GFP_ATOMIC);
+ if (!buffer)
+ return;
+ memcpy(buffer, data, len);
+ usb_control_msg(udev, pipe, request, reqtype, wvalue,
+ index, buffer, len, 50);
+
+- usb_free_coherent(udev, (size_t)len, buffer, dma_addr);
++ kfree(buffer);
+ }
+
+ static void _rtl_usb_io_handler_init(struct device *dev,
+@@ -543,8 +554,8 @@ static void _rtl_rx_pre_process(struct ieee80211_hw *hw, struct sk_buff *skb)
+ WARN_ON(skb_queue_empty(&rx_queue));
+ while (!skb_queue_empty(&rx_queue)) {
+ _skb = skb_dequeue(&rx_queue);
+- _rtl_usb_rx_process_agg(hw, skb);
+- ieee80211_rx_irqsafe(hw, skb);
++ _rtl_usb_rx_process_agg(hw, _skb);
++ ieee80211_rx_irqsafe(hw, _skb);
+ }
+ }
+
+diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
+index 94b79c3..9d7f172 100644
+--- a/drivers/net/xen-netback/common.h
++++ b/drivers/net/xen-netback/common.h
+@@ -151,6 +151,9 @@ void xen_netbk_queue_tx_skb(struct xenvif *vif, struct sk_buff *skb);
+ /* Notify xenvif that ring now has space to send an skb to the frontend */
+ void xenvif_notify_tx_completion(struct xenvif *vif);
+
++/* Prevent the device from generating any further traffic. */
++void xenvif_carrier_off(struct xenvif *vif);
++
+ /* Returns number of ring slots required to send an skb to the frontend */
+ unsigned int xen_netbk_count_skb_slots(struct xenvif *vif, struct sk_buff *skb);
+
+diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
+index b7d41f8..221f426 100644
+--- a/drivers/net/xen-netback/interface.c
++++ b/drivers/net/xen-netback/interface.c
+@@ -132,6 +132,7 @@ static void xenvif_up(struct xenvif *vif)
+ static void xenvif_down(struct xenvif *vif)
+ {
+ disable_irq(vif->irq);
++ del_timer_sync(&vif->credit_timeout);
+ xen_netbk_deschedule_xenvif(vif);
+ xen_netbk_remove_xenvif(vif);
+ }
+@@ -343,23 +344,26 @@ err:
+ return err;
+ }
+
+-void xenvif_disconnect(struct xenvif *vif)
++void xenvif_carrier_off(struct xenvif *vif)
+ {
+ struct net_device *dev = vif->dev;
+- if (netif_carrier_ok(dev)) {
+- rtnl_lock();
+- netif_carrier_off(dev); /* discard queued packets */
+- if (netif_running(dev))
+- xenvif_down(vif);
+- rtnl_unlock();
+- xenvif_put(vif);
+- }
++
++ rtnl_lock();
++ netif_carrier_off(dev); /* discard queued packets */
++ if (netif_running(dev))
++ xenvif_down(vif);
++ rtnl_unlock();
++ xenvif_put(vif);
++}
++
++void xenvif_disconnect(struct xenvif *vif)
++{
++ if (netif_carrier_ok(vif->dev))
++ xenvif_carrier_off(vif);
+
+ atomic_dec(&vif->refcnt);
+ wait_event(vif->waiting_to_free, atomic_read(&vif->refcnt) == 0);
+
+- del_timer_sync(&vif->credit_timeout);
+-
+ if (vif->irq)
+ unbind_from_irqhandler(vif->irq, vif);
+
+diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
+index 682633b..6aa059e 100644
+--- a/drivers/net/xen-netback/netback.c
++++ b/drivers/net/xen-netback/netback.c
+@@ -146,7 +146,8 @@ void xen_netbk_remove_xenvif(struct xenvif *vif)
+ atomic_dec(&netbk->netfront_count);
+ }
+
+-static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx);
++static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx,
++ u8 status);
+ static void make_tx_response(struct xenvif *vif,
+ struct xen_netif_tx_request *txp,
+ s8 st);
+@@ -850,7 +851,7 @@ static void netbk_tx_err(struct xenvif *vif,
+
+ do {
+ make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR);
+- if (cons >= end)
++ if (cons == end)
+ break;
+ txp = RING_GET_REQUEST(&vif->tx, cons++);
+ } while (1);
+@@ -859,6 +860,13 @@ static void netbk_tx_err(struct xenvif *vif,
+ xenvif_put(vif);
+ }
+
++static void netbk_fatal_tx_err(struct xenvif *vif)
++{
++ netdev_err(vif->dev, "fatal error; disabling device\n");
++ xenvif_carrier_off(vif);
++ xenvif_put(vif);
++}
++
+ static int netbk_count_requests(struct xenvif *vif,
+ struct xen_netif_tx_request *first,
+ struct xen_netif_tx_request *txp,
+@@ -872,29 +880,33 @@ static int netbk_count_requests(struct xenvif *vif,
+
+ do {
+ if (frags >= work_to_do) {
+- netdev_dbg(vif->dev, "Need more frags\n");
+- return -frags;
++ netdev_err(vif->dev, "Need more frags\n");
++ netbk_fatal_tx_err(vif);
++ return -ENODATA;
+ }
+
+ if (unlikely(frags >= MAX_SKB_FRAGS)) {
+- netdev_dbg(vif->dev, "Too many frags\n");
+- return -frags;
++ netdev_err(vif->dev, "Too many frags\n");
++ netbk_fatal_tx_err(vif);
++ return -E2BIG;
+ }
+
+ memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + frags),
+ sizeof(*txp));
+ if (txp->size > first->size) {
+- netdev_dbg(vif->dev, "Frags galore\n");
+- return -frags;
++ netdev_err(vif->dev, "Frag is bigger than frame.\n");
++ netbk_fatal_tx_err(vif);
++ return -EIO;
+ }
+
+ first->size -= txp->size;
+ frags++;
+
+ if (unlikely((txp->offset + txp->size) > PAGE_SIZE)) {
+- netdev_dbg(vif->dev, "txp->offset: %x, size: %u\n",
++ netdev_err(vif->dev, "txp->offset: %x, size: %u\n",
+ txp->offset, txp->size);
+- return -frags;
++ netbk_fatal_tx_err(vif);
++ return -EINVAL;
+ }
+ } while ((txp++)->flags & XEN_NETTXF_more_data);
+ return frags;
+@@ -937,7 +949,7 @@ static struct gnttab_copy *xen_netbk_get_requests(struct xen_netbk *netbk,
+ pending_idx = netbk->pending_ring[index];
+ page = xen_netbk_alloc_page(netbk, skb, pending_idx);
+ if (!page)
+- return NULL;
++ goto err;
+
+ gop->source.u.ref = txp->gref;
+ gop->source.domid = vif->domid;
+@@ -959,6 +971,17 @@ static struct gnttab_copy *xen_netbk_get_requests(struct xen_netbk *netbk,
+ }
+
+ return gop;
++err:
++ /* Unwind, freeing all pages and sending error responses. */
++ while (i-- > start) {
++ xen_netbk_idx_release(netbk, frag_get_pending_idx(&frags[i]),
++ XEN_NETIF_RSP_ERROR);
++ }
++ /* The head too, if necessary. */
++ if (start)
++ xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_ERROR);
++
++ return NULL;
+ }
+
+ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk,
+@@ -967,30 +990,20 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk,
+ {
+ struct gnttab_copy *gop = *gopp;
+ u16 pending_idx = *((u16 *)skb->data);
+- struct pending_tx_info *pending_tx_info = netbk->pending_tx_info;
+- struct xenvif *vif = pending_tx_info[pending_idx].vif;
+- struct xen_netif_tx_request *txp;
+ struct skb_shared_info *shinfo = skb_shinfo(skb);
+ int nr_frags = shinfo->nr_frags;
+ int i, err, start;
+
+ /* Check status of header. */
+ err = gop->status;
+- if (unlikely(err)) {
+- pending_ring_idx_t index;
+- index = pending_index(netbk->pending_prod++);
+- txp = &pending_tx_info[pending_idx].req;
+- make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR);
+- netbk->pending_ring[index] = pending_idx;
+- xenvif_put(vif);
+- }
++ if (unlikely(err))
++ xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_ERROR);
+
+ /* Skip first skb fragment if it is on same page as header fragment. */
+ start = (frag_get_pending_idx(&shinfo->frags[0]) == pending_idx);
+
+ for (i = start; i < nr_frags; i++) {
+ int j, newerr;
+- pending_ring_idx_t index;
+
+ pending_idx = frag_get_pending_idx(&shinfo->frags[i]);
+
+@@ -999,16 +1012,12 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk,
+ if (likely(!newerr)) {
+ /* Had a previous error? Invalidate this fragment. */
+ if (unlikely(err))
+- xen_netbk_idx_release(netbk, pending_idx);
++ xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_OKAY);
+ continue;
+ }
+
+ /* Error on this fragment: respond to client with an error. */
+- txp = &netbk->pending_tx_info[pending_idx].req;
+- make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR);
+- index = pending_index(netbk->pending_prod++);
+- netbk->pending_ring[index] = pending_idx;
+- xenvif_put(vif);
++ xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_ERROR);
+
+ /* Not the first error? Preceding frags already invalidated. */
+ if (err)
+@@ -1016,10 +1025,10 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk,
+
+ /* First error: invalidate header and preceding fragments. */
+ pending_idx = *((u16 *)skb->data);
+- xen_netbk_idx_release(netbk, pending_idx);
++ xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_OKAY);
+ for (j = start; j < i; j++) {
+ pending_idx = frag_get_pending_idx(&shinfo->frags[j]);
+- xen_netbk_idx_release(netbk, pending_idx);
++ xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_OKAY);
+ }
+
+ /* Remember the error: invalidate all subsequent fragments. */
+@@ -1053,7 +1062,7 @@ static void xen_netbk_fill_frags(struct xen_netbk *netbk, struct sk_buff *skb)
+
+ /* Take an extra reference to offset xen_netbk_idx_release */
+ get_page(netbk->mmap_pages[pending_idx]);
+- xen_netbk_idx_release(netbk, pending_idx);
++ xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_OKAY);
+ }
+ }
+
+@@ -1066,7 +1075,8 @@ static int xen_netbk_get_extras(struct xenvif *vif,
+
+ do {
+ if (unlikely(work_to_do-- <= 0)) {
+- netdev_dbg(vif->dev, "Missing extra info\n");
++ netdev_err(vif->dev, "Missing extra info\n");
++ netbk_fatal_tx_err(vif);
+ return -EBADR;
+ }
+
+@@ -1075,8 +1085,9 @@ static int xen_netbk_get_extras(struct xenvif *vif,
+ if (unlikely(!extra.type ||
+ extra.type >= XEN_NETIF_EXTRA_TYPE_MAX)) {
+ vif->tx.req_cons = ++cons;
+- netdev_dbg(vif->dev,
++ netdev_err(vif->dev,
+ "Invalid extra type: %d\n", extra.type);
++ netbk_fatal_tx_err(vif);
+ return -EINVAL;
+ }
+
+@@ -1092,13 +1103,15 @@ static int netbk_set_skb_gso(struct xenvif *vif,
+ struct xen_netif_extra_info *gso)
+ {
+ if (!gso->u.gso.size) {
+- netdev_dbg(vif->dev, "GSO size must not be zero.\n");
++ netdev_err(vif->dev, "GSO size must not be zero.\n");
++ netbk_fatal_tx_err(vif);
+ return -EINVAL;
+ }
+
+ /* Currently only TCPv4 S.O. is supported. */
+ if (gso->u.gso.type != XEN_NETIF_GSO_TYPE_TCPV4) {
+- netdev_dbg(vif->dev, "Bad GSO type %d.\n", gso->u.gso.type);
++ netdev_err(vif->dev, "Bad GSO type %d.\n", gso->u.gso.type);
++ netbk_fatal_tx_err(vif);
+ return -EINVAL;
+ }
+
+@@ -1235,9 +1248,25 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
+
+ /* Get a netif from the list with work to do. */
+ vif = poll_net_schedule_list(netbk);
++ /* This can sometimes happen because the test of
++ * list_empty(net_schedule_list) at the top of the
++ * loop is unlocked. Just go back and have another
++ * look.
++ */
+ if (!vif)
+ continue;
+
++ if (vif->tx.sring->req_prod - vif->tx.req_cons >
++ XEN_NETIF_TX_RING_SIZE) {
++ netdev_err(vif->dev,
++ "Impossible number of requests. "
++ "req_prod %d, req_cons %d, size %ld\n",
++ vif->tx.sring->req_prod, vif->tx.req_cons,
++ XEN_NETIF_TX_RING_SIZE);
++ netbk_fatal_tx_err(vif);
++ continue;
++ }
++
+ RING_FINAL_CHECK_FOR_REQUESTS(&vif->tx, work_to_do);
+ if (!work_to_do) {
+ xenvif_put(vif);
+@@ -1265,17 +1294,14 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
+ work_to_do = xen_netbk_get_extras(vif, extras,
+ work_to_do);
+ idx = vif->tx.req_cons;
+- if (unlikely(work_to_do < 0)) {
+- netbk_tx_err(vif, &txreq, idx);
++ if (unlikely(work_to_do < 0))
+ continue;
+- }
+ }
+
+ ret = netbk_count_requests(vif, &txreq, txfrags, work_to_do);
+- if (unlikely(ret < 0)) {
+- netbk_tx_err(vif, &txreq, idx - ret);
++ if (unlikely(ret < 0))
+ continue;
+- }
++
+ idx += ret;
+
+ if (unlikely(txreq.size < ETH_HLEN)) {
+@@ -1287,11 +1313,11 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
+
+ /* No crossing a page as the payload mustn't fragment. */
+ if (unlikely((txreq.offset + txreq.size) > PAGE_SIZE)) {
+- netdev_dbg(vif->dev,
++ netdev_err(vif->dev,
+ "txreq.offset: %x, size: %u, end: %lu\n",
+ txreq.offset, txreq.size,
+ (txreq.offset&~PAGE_MASK) + txreq.size);
+- netbk_tx_err(vif, &txreq, idx);
++ netbk_fatal_tx_err(vif);
+ continue;
+ }
+
+@@ -1319,8 +1345,8 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
+ gso = &extras[XEN_NETIF_EXTRA_TYPE_GSO - 1];
+
+ if (netbk_set_skb_gso(vif, skb, gso)) {
++ /* Failure in netbk_set_skb_gso is fatal. */
+ kfree_skb(skb);
+- netbk_tx_err(vif, &txreq, idx);
+ continue;
+ }
+ }
+@@ -1419,7 +1445,7 @@ static void xen_netbk_tx_submit(struct xen_netbk *netbk)
+ txp->size -= data_len;
+ } else {
+ /* Schedule a response immediately. */
+- xen_netbk_idx_release(netbk, pending_idx);
++ xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_OKAY);
+ }
+
+ if (txp->flags & XEN_NETTXF_csum_blank)
+@@ -1474,7 +1500,8 @@ static void xen_netbk_tx_action(struct xen_netbk *netbk)
+
+ }
+
+-static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx)
++static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx,
++ u8 status)
+ {
+ struct xenvif *vif;
+ struct pending_tx_info *pending_tx_info;
+@@ -1488,7 +1515,7 @@ static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx)
+
+ vif = pending_tx_info->vif;
+
+- make_tx_response(vif, &pending_tx_info->req, XEN_NETIF_RSP_OKAY);
++ make_tx_response(vif, &pending_tx_info->req, status);
+
+ index = pending_index(netbk->pending_prod++);
+ netbk->pending_ring[index] = pending_idx;
+diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
+index 26ffd3e..2c113de 100644
+--- a/drivers/pci/hotplug/pciehp.h
++++ b/drivers/pci/hotplug/pciehp.h
+@@ -44,7 +44,6 @@ extern bool pciehp_poll_mode;
+ extern int pciehp_poll_time;
+ extern bool pciehp_debug;
+ extern bool pciehp_force;
+-extern struct workqueue_struct *pciehp_wq;
+
+ #define dbg(format, arg...) \
+ do { \
+@@ -78,6 +77,7 @@ struct slot {
+ struct hotplug_slot *hotplug_slot;
+ struct delayed_work work; /* work for button event */
+ struct mutex lock;
++ struct workqueue_struct *wq;
+ };
+
+ struct event_info {
+diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
+index 365c6b9..9e39df9 100644
+--- a/drivers/pci/hotplug/pciehp_core.c
++++ b/drivers/pci/hotplug/pciehp_core.c
+@@ -42,7 +42,6 @@ bool pciehp_debug;
+ bool pciehp_poll_mode;
+ int pciehp_poll_time;
+ bool pciehp_force;
+-struct workqueue_struct *pciehp_wq;
+
+ #define DRIVER_VERSION "0.4"
+ #define DRIVER_AUTHOR "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
+@@ -340,18 +339,13 @@ static int __init pcied_init(void)
+ {
+ int retval = 0;
+
+- pciehp_wq = alloc_workqueue("pciehp", 0, 0);
+- if (!pciehp_wq)
+- return -ENOMEM;
+-
+ pciehp_firmware_init();
+ retval = pcie_port_service_register(&hpdriver_portdrv);
+ dbg("pcie_port_service_register = %d\n", retval);
+ info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
+- if (retval) {
+- destroy_workqueue(pciehp_wq);
++ if (retval)
+ dbg("Failure to register service\n");
+- }
++
+ return retval;
+ }
+
+@@ -359,7 +353,6 @@ static void __exit pcied_cleanup(void)
+ {
+ dbg("unload_pciehpd()\n");
+ pcie_port_service_unregister(&hpdriver_portdrv);
+- destroy_workqueue(pciehp_wq);
+ info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
+ }
+
+diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
+index 27f4429..38f0186 100644
+--- a/drivers/pci/hotplug/pciehp_ctrl.c
++++ b/drivers/pci/hotplug/pciehp_ctrl.c
+@@ -49,7 +49,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
+ info->p_slot = p_slot;
+ INIT_WORK(&info->work, interrupt_event_handler);
+
+- queue_work(pciehp_wq, &info->work);
++ queue_work(p_slot->wq, &info->work);
+
+ return 0;
+ }
+@@ -344,7 +344,7 @@ void pciehp_queue_pushbutton_work(struct work_struct *work)
+ kfree(info);
+ goto out;
+ }
+- queue_work(pciehp_wq, &info->work);
++ queue_work(p_slot->wq, &info->work);
+ out:
+ mutex_unlock(&p_slot->lock);
+ }
+@@ -377,7 +377,7 @@ static void handle_button_press_event(struct slot *p_slot)
+ if (ATTN_LED(ctrl))
+ pciehp_set_attention_status(p_slot, 0);
+
+- queue_delayed_work(pciehp_wq, &p_slot->work, 5*HZ);
++ queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ);
+ break;
+ case BLINKINGOFF_STATE:
+ case BLINKINGON_STATE:
+@@ -439,7 +439,7 @@ static void handle_surprise_event(struct slot *p_slot)
+ else
+ p_slot->state = POWERON_STATE;
+
+- queue_work(pciehp_wq, &info->work);
++ queue_work(p_slot->wq, &info->work);
+ }
+
+ static void interrupt_event_handler(struct work_struct *work)
+diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
+index 302451e..61632c5 100644
+--- a/drivers/pci/hotplug/pciehp_hpc.c
++++ b/drivers/pci/hotplug/pciehp_hpc.c
+@@ -773,23 +773,32 @@ static void pcie_shutdown_notification(struct controller *ctrl)
+ static int pcie_init_slot(struct controller *ctrl)
+ {
+ struct slot *slot;
++ char name[32];
+
+ slot = kzalloc(sizeof(*slot), GFP_KERNEL);
+ if (!slot)
+ return -ENOMEM;
+
++ snprintf(name, sizeof(name), "pciehp-%u", PSN(ctrl));
++ slot->wq = alloc_workqueue(name, 0, 0);
++ if (!slot->wq)
++ goto abort;
++
+ slot->ctrl = ctrl;
+ mutex_init(&slot->lock);
+ INIT_DELAYED_WORK(&slot->work, pciehp_queue_pushbutton_work);
+ ctrl->slot = slot;
+ return 0;
++abort:
++ kfree(slot);
++ return -ENOMEM;
+ }
+
+ static void pcie_cleanup_slot(struct controller *ctrl)
+ {
+ struct slot *slot = ctrl->slot;
+ cancel_delayed_work(&slot->work);
+- flush_workqueue(pciehp_wq);
++ destroy_workqueue(slot->wq);
+ kfree(slot);
+ }
+
+diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h
+index ca64932..1b69d95 100644
+--- a/drivers/pci/hotplug/shpchp.h
++++ b/drivers/pci/hotplug/shpchp.h
+@@ -47,7 +47,6 @@ extern bool shpchp_poll_mode;
+ extern int shpchp_poll_time;
+ extern bool shpchp_debug;
+ extern struct workqueue_struct *shpchp_wq;
+-extern struct workqueue_struct *shpchp_ordered_wq;
+
+ #define dbg(format, arg...) \
+ do { \
+diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c
+index b6de307..8c6d645 100644
+--- a/drivers/pci/hotplug/shpchp_core.c
++++ b/drivers/pci/hotplug/shpchp_core.c
+@@ -40,7 +40,6 @@ bool shpchp_debug;
+ bool shpchp_poll_mode;
+ int shpchp_poll_time;
+ struct workqueue_struct *shpchp_wq;
+-struct workqueue_struct *shpchp_ordered_wq;
+
+ #define DRIVER_VERSION "0.4"
+ #define DRIVER_AUTHOR "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
+@@ -181,7 +180,6 @@ void cleanup_slots(struct controller *ctrl)
+ list_del(&slot->slot_list);
+ cancel_delayed_work(&slot->work);
+ flush_workqueue(shpchp_wq);
+- flush_workqueue(shpchp_ordered_wq);
+ pci_hp_deregister(slot->hotplug_slot);
+ }
+ }
+@@ -370,17 +368,10 @@ static int __init shpcd_init(void)
+ if (!shpchp_wq)
+ return -ENOMEM;
+
+- shpchp_ordered_wq = alloc_ordered_workqueue("shpchp_ordered", 0);
+- if (!shpchp_ordered_wq) {
+- destroy_workqueue(shpchp_wq);
+- return -ENOMEM;
+- }
+-
+ retval = pci_register_driver(&shpc_driver);
+ dbg("%s: pci_register_driver = %d\n", __func__, retval);
+ info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
+ if (retval) {
+- destroy_workqueue(shpchp_ordered_wq);
+ destroy_workqueue(shpchp_wq);
+ }
+ return retval;
+@@ -390,7 +381,6 @@ static void __exit shpcd_cleanup(void)
+ {
+ dbg("unload_shpchpd()\n");
+ pci_unregister_driver(&shpc_driver);
+- destroy_workqueue(shpchp_ordered_wq);
+ destroy_workqueue(shpchp_wq);
+ info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n");
+ }
+diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c
+index f9b5a52..fd2cae9 100644
+--- a/drivers/pci/hotplug/shpchp_ctrl.c
++++ b/drivers/pci/hotplug/shpchp_ctrl.c
+@@ -453,7 +453,7 @@ void shpchp_queue_pushbutton_work(struct work_struct *work)
+ kfree(info);
+ goto out;
+ }
+- queue_work(shpchp_ordered_wq, &info->work);
++ queue_work(shpchp_wq, &info->work);
+ out:
+ mutex_unlock(&p_slot->lock);
+ }
+diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
+index 1b7d05d..b0c92a5 100644
+--- a/drivers/pci/pcie/aer/aerdrv_core.c
++++ b/drivers/pci/pcie/aer/aerdrv_core.c
+@@ -649,6 +649,7 @@ static void aer_recover_work_func(struct work_struct *work)
+ continue;
+ }
+ do_recovery(pdev, entry.severity);
++ pci_dev_put(pdev);
+ }
+ }
+ #endif
+diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
+index b500840..474f22f 100644
+--- a/drivers/pci/pcie/aspm.c
++++ b/drivers/pci/pcie/aspm.c
+@@ -798,6 +798,9 @@ void pcie_clear_aspm(struct pci_bus *bus)
+ {
+ struct pci_dev *child;
+
++ if (aspm_force)
++ return;
++
+ /*
+ * Clear any ASPM setup that the firmware has carried out on this bus
+ */
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index 5155317..161e7f0 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -2686,7 +2686,7 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev)
+ if (PCI_FUNC(dev->devfn))
+ return;
+ /*
+- * RICOH 0xe823 SD/MMC card reader fails to recognize
++ * RICOH 0xe822 and 0xe823 SD/MMC card readers fail to recognize
+ * certain types of SD/MMC cards. Lowering the SD base
+ * clock frequency from 200Mhz to 50Mhz fixes this issue.
+ *
+@@ -2697,7 +2697,8 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev)
+ * 0xf9 - Key register for 0x150
+ * 0xfc - key register for 0xe1
+ */
+- if (dev->device == PCI_DEVICE_ID_RICOH_R5CE823) {
++ if (dev->device == PCI_DEVICE_ID_RICOH_R5CE822 ||
++ dev->device == PCI_DEVICE_ID_RICOH_R5CE823) {
+ pci_write_config_byte(dev, 0xf9, 0xfc);
+ pci_write_config_byte(dev, 0x150, 0x10);
+ pci_write_config_byte(dev, 0xf9, 0x00);
+@@ -2724,6 +2725,8 @@ static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev)
+ }
+ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832);
+ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832);
++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE822, ricoh_mmc_fixup_r5c832);
++DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE822, ricoh_mmc_fixup_r5c832);
+ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_mmc_fixup_r5c832);
+ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5CE823, ricoh_mmc_fixup_r5c832);
+ #endif /*CONFIG_MMC_RICOH_MMC*/
+diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c
+index 04a4861..073c33f 100644
+--- a/drivers/pci/remove.c
++++ b/drivers/pci/remove.c
+@@ -19,6 +19,8 @@ static void pci_free_resources(struct pci_dev *dev)
+
+ static void pci_stop_dev(struct pci_dev *dev)
+ {
++ pci_pme_active(dev, false);
++
+ if (dev->is_added) {
+ pci_proc_detach_device(dev);
+ pci_remove_sysfs_dev_files(dev);
+diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c
+index 86e4a1a..6bb02ab 100644
+--- a/drivers/pcmcia/vrc4171_card.c
++++ b/drivers/pcmcia/vrc4171_card.c
+@@ -246,6 +246,7 @@ static int pccard_init(struct pcmcia_socket *sock)
+ socket = &vrc4171_sockets[slot];
+ socket->csc_irq = search_nonuse_irq();
+ socket->io_irq = search_nonuse_irq();
++ spin_lock_init(&socket->lock);
+
+ return 0;
+ }
+diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c
+index 7481146..97c2be1 100644
+--- a/drivers/platform/x86/ibm_rtl.c
++++ b/drivers/platform/x86/ibm_rtl.c
+@@ -244,7 +244,7 @@ static int __init ibm_rtl_init(void) {
+ if (force)
+ pr_warn("module loaded by force\n");
+ /* first ensure that we are running on IBM HW */
+- else if (efi_enabled || !dmi_check_system(ibm_rtl_dmi_table))
++ else if (efi_enabled(EFI_BOOT) || !dmi_check_system(ibm_rtl_dmi_table))
+ return -ENODEV;
+
+ /* Get the address for the Extended BIOS Data Area */
+diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
+index dd90d15..d1f0300 100644
+--- a/drivers/platform/x86/samsung-laptop.c
++++ b/drivers/platform/x86/samsung-laptop.c
+@@ -26,6 +26,7 @@
+ #include <linux/seq_file.h>
+ #include <linux/debugfs.h>
+ #include <linux/ctype.h>
++#include <linux/efi.h>
+ #include <acpi/video.h>
+
+ /*
+@@ -1523,6 +1524,16 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
+ },
+ .driver_data = &samsung_broken_acpi_video,
+ },
++ {
++ .callback = samsung_dmi_matched,
++ .ident = "N250P",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
++ DMI_MATCH(DMI_PRODUCT_NAME, "N250P"),
++ DMI_MATCH(DMI_BOARD_NAME, "N250P"),
++ },
++ .driver_data = &samsung_broken_acpi_video,
++ },
+ { },
+ };
+ MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);
+@@ -1534,6 +1545,9 @@ static int __init samsung_init(void)
+ struct samsung_laptop *samsung;
+ int ret;
+
++ if (efi_enabled(EFI_BOOT))
++ return -ENODEV;
++
+ quirks = &samsung_unknown;
+ if (!force && !dmi_check_system(samsung_dmi_table))
+ return -ENODEV;
+diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
+index e49871d..3c5c353 100644
+--- a/drivers/pnp/pnpacpi/core.c
++++ b/drivers/pnp/pnpacpi/core.c
+@@ -58,7 +58,7 @@ static inline int __init is_exclusive_device(struct acpi_device *dev)
+ if (!(('0' <= (c) && (c) <= '9') || ('A' <= (c) && (c) <= 'F'))) \
+ return 0
+ #define TEST_ALPHA(c) \
+- if (!('@' <= (c) || (c) <= 'Z')) \
++ if (!('A' <= (c) && (c) <= 'Z')) \
+ return 0
+ static int __init ispnpidacpi(const char *id)
+ {
+diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c
+index bba3cca..8e3329e 100644
+--- a/drivers/power/ab8500_btemp.c
++++ b/drivers/power/ab8500_btemp.c
+@@ -1119,7 +1119,7 @@ static void __exit ab8500_btemp_exit(void)
+ platform_driver_unregister(&ab8500_btemp_driver);
+ }
+
+-subsys_initcall_sync(ab8500_btemp_init);
++device_initcall(ab8500_btemp_init);
+ module_exit(ab8500_btemp_exit);
+
+ MODULE_LICENSE("GPL v2");
+diff --git a/drivers/power/abx500_chargalg.c b/drivers/power/abx500_chargalg.c
+index 804b88c..d8cd151 100644
+--- a/drivers/power/abx500_chargalg.c
++++ b/drivers/power/abx500_chargalg.c
+@@ -1698,7 +1698,7 @@ static ssize_t abx500_chargalg_sysfs_charger(struct kobject *kobj,
+ static struct attribute abx500_chargalg_en_charger = \
+ {
+ .name = "chargalg",
+- .mode = S_IWUGO,
++ .mode = S_IWUSR,
+ };
+
+ static struct attribute *abx500_chargalg_chg[] = {
+diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
+index 7413885..d4b9b1e 100644
+--- a/drivers/regulator/wm831x-dcdc.c
++++ b/drivers/regulator/wm831x-dcdc.c
+@@ -290,7 +290,7 @@ static int wm831x_buckv_set_voltage_sel(struct regulator_dev *rdev,
+ if (vsel > dcdc->dvs_vsel) {
+ ret = wm831x_set_bits(wm831x, dvs_reg,
+ WM831X_DC1_DVS_VSEL_MASK,
+- dcdc->dvs_vsel);
++ vsel);
+ if (ret == 0)
+ dcdc->dvs_vsel = vsel;
+ else
+diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
+index dd2aeee..8f8c8ae 100644
+--- a/drivers/rtc/rtc-isl1208.c
++++ b/drivers/rtc/rtc-isl1208.c
+@@ -494,6 +494,7 @@ isl1208_rtc_interrupt(int irq, void *data)
+ {
+ unsigned long timeout = jiffies + msecs_to_jiffies(1000);
+ struct i2c_client *client = data;
++ struct rtc_device *rtc = i2c_get_clientdata(client);
+ int handled = 0, sr, err;
+
+ /*
+@@ -516,6 +517,8 @@ isl1208_rtc_interrupt(int irq, void *data)
+ if (sr & ISL1208_REG_SR_ALM) {
+ dev_dbg(&client->dev, "alarm!\n");
+
++ rtc_update_irq(rtc, 1, RTC_IRQF | RTC_AF);
++
+ /* Clear the alarm */
+ sr &= ~ISL1208_REG_SR_ALM;
+ sr = i2c_smbus_write_byte_data(client, ISL1208_REG_SR, sr);
+diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
+index 9e94fb1..44878da 100644
+--- a/drivers/rtc/rtc-vt8500.c
++++ b/drivers/rtc/rtc-vt8500.c
+@@ -69,7 +69,7 @@
+ | ALARM_SEC_BIT)
+
+ #define VT8500_RTC_CR_ENABLE (1 << 0) /* Enable RTC */
+-#define VT8500_RTC_CR_24H (1 << 1) /* 24h time format */
++#define VT8500_RTC_CR_12H (1 << 1) /* 12h time format */
+ #define VT8500_RTC_CR_SM_ENABLE (1 << 2) /* Enable periodic irqs */
+ #define VT8500_RTC_CR_SM_SEC (1 << 3) /* 0: 1Hz/60, 1: 1Hz */
+ #define VT8500_RTC_CR_CALIB (1 << 4) /* Enable calibration */
+@@ -118,7 +118,7 @@ static int vt8500_rtc_read_time(struct device *dev, struct rtc_time *tm)
+ tm->tm_min = bcd2bin((time & TIME_MIN_MASK) >> TIME_MIN_S);
+ tm->tm_hour = bcd2bin((time & TIME_HOUR_MASK) >> TIME_HOUR_S);
+ tm->tm_mday = bcd2bin(date & DATE_DAY_MASK);
+- tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S);
++ tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S) - 1;
+ tm->tm_year = bcd2bin((date & DATE_YEAR_MASK) >> DATE_YEAR_S)
+ + ((date >> DATE_CENTURY_S) & 1 ? 200 : 100);
+ tm->tm_wday = (time & TIME_DOW_MASK) >> TIME_DOW_S;
+@@ -137,8 +137,9 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm)
+ }
+
+ writel((bin2bcd(tm->tm_year - 100) << DATE_YEAR_S)
+- | (bin2bcd(tm->tm_mon) << DATE_MONTH_S)
+- | (bin2bcd(tm->tm_mday)),
++ | (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S)
++ | (bin2bcd(tm->tm_mday))
++ | ((tm->tm_year >= 200) << DATE_CENTURY_S),
+ vt8500_rtc->regbase + VT8500_RTC_DS);
+ writel((bin2bcd(tm->tm_wday) << TIME_DOW_S)
+ | (bin2bcd(tm->tm_hour) << TIME_HOUR_S)
+@@ -248,7 +249,7 @@ static int __devinit vt8500_rtc_probe(struct platform_device *pdev)
+ }
+
+ /* Enable RTC and set it to 24-hour mode */
+- writel(VT8500_RTC_CR_ENABLE | VT8500_RTC_CR_24H,
++ writel(VT8500_RTC_CR_ENABLE,
+ vt8500_rtc->regbase + VT8500_RTC_CR);
+
+ vt8500_rtc->rtc = rtc_device_register("vt8500-rtc", &pdev->dev,
+diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c
+index 368368f..908d287 100644
+--- a/drivers/s390/cio/device_pgid.c
++++ b/drivers/s390/cio/device_pgid.c
+@@ -234,7 +234,7 @@ static int pgid_cmp(struct pgid *p1, struct pgid *p2)
+ * Determine pathgroup state from PGID data.
+ */
+ static void pgid_analyze(struct ccw_device *cdev, struct pgid **p,
+- int *mismatch, int *reserved, u8 *reset)
++ int *mismatch, u8 *reserved, u8 *reset)
+ {
+ struct pgid *pgid = &cdev->private->pgid[0];
+ struct pgid *first = NULL;
+@@ -248,7 +248,7 @@ static void pgid_analyze(struct ccw_device *cdev, struct pgid **p,
+ if ((cdev->private->pgid_valid_mask & lpm) == 0)
+ continue;
+ if (pgid->inf.ps.state2 == SNID_STATE2_RESVD_ELSE)
+- *reserved = 1;
++ *reserved |= lpm;
+ if (pgid_is_reset(pgid)) {
+ *reset |= lpm;
+ continue;
+@@ -316,14 +316,14 @@ static void snid_done(struct ccw_device *cdev, int rc)
+ struct subchannel *sch = to_subchannel(cdev->dev.parent);
+ struct pgid *pgid;
+ int mismatch = 0;
+- int reserved = 0;
++ u8 reserved = 0;
+ u8 reset = 0;
+ u8 donepm;
+
+ if (rc)
+ goto out;
+ pgid_analyze(cdev, &pgid, &mismatch, &reserved, &reset);
+- if (reserved)
++ if (reserved == cdev->private->pgid_valid_mask)
+ rc = -EUSERS;
+ else if (mismatch)
+ rc = -EOPNOTSUPP;
+@@ -336,7 +336,7 @@ static void snid_done(struct ccw_device *cdev, int rc)
+ }
+ out:
+ CIO_MSG_EVENT(2, "snid: device 0.%x.%04x: rc=%d pvm=%02x vpm=%02x "
+- "todo=%02x mism=%d rsvd=%d reset=%02x\n", id->ssid,
++ "todo=%02x mism=%d rsvd=%02x reset=%02x\n", id->ssid,
+ id->devno, rc, cdev->private->pgid_valid_mask, sch->vpm,
+ cdev->private->pgid_todo_mask, mismatch, reserved, reset);
+ switch (rc) {
+diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c
+index 47cccd5..9c77c8b 100644
+--- a/drivers/s390/kvm/kvm_virtio.c
++++ b/drivers/s390/kvm/kvm_virtio.c
+@@ -419,6 +419,26 @@ static void kvm_extint_handler(struct ext_code ext_code,
+ }
+
+ /*
++ * For s390-virtio, we expect a page above main storage containing
++ * the virtio configuration. Try to actually load from this area
++ * in order to figure out if the host provides this page.
++ */
++static int __init test_devices_support(unsigned long addr)
++{
++ int ret = -EIO;
++
++ asm volatile(
++ "0: lura 0,%1\n"
++ "1: xgr %0,%0\n"
++ "2:\n"
++ EX_TABLE(0b,2b)
++ EX_TABLE(1b,2b)
++ : "+d" (ret)
++ : "a" (addr)
++ : "0", "cc");
++ return ret;
++}
++/*
+ * Init function for virtio
+ * devices are in a single page above top of "normal" mem
+ */
+@@ -429,21 +449,23 @@ static int __init kvm_devices_init(void)
+ if (!MACHINE_IS_KVM)
+ return -ENODEV;
+
++ if (test_devices_support(real_memory_size) < 0)
++ return -ENODEV;
++
++ rc = vmem_add_mapping(real_memory_size, PAGE_SIZE);
++ if (rc)
++ return rc;
++
++ kvm_devices = (void *) real_memory_size;
++
+ kvm_root = root_device_register("kvm_s390");
+ if (IS_ERR(kvm_root)) {
+ rc = PTR_ERR(kvm_root);
+ printk(KERN_ERR "Could not register kvm_s390 root device");
++ vmem_remove_mapping(real_memory_size, PAGE_SIZE);
+ return rc;
+ }
+
+- rc = vmem_add_mapping(real_memory_size, PAGE_SIZE);
+- if (rc) {
+- root_device_unregister(kvm_root);
+- return rc;
+- }
+-
+- kvm_devices = (void *) real_memory_size;
+-
+ INIT_WORK(&hotplug_work, hotplug_devices);
+
+ service_subclass_irq_register();
+diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
+index 1286a8a..1c91061 100644
+--- a/drivers/scsi/isci/init.c
++++ b/drivers/scsi/isci/init.c
+@@ -633,7 +633,7 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic
+ return -ENOMEM;
+ pci_set_drvdata(pdev, pci_info);
+
+- if (efi_enabled)
++ if (efi_enabled(EFI_RUNTIME_SERVICES))
+ orom = isci_get_efi_var(pdev);
+
+ if (!orom)
+diff --git a/drivers/scsi/mvsas/mv_94xx.h b/drivers/scsi/mvsas/mv_94xx.h
+index 8f7eb4f..487aa6f 100644
+--- a/drivers/scsi/mvsas/mv_94xx.h
++++ b/drivers/scsi/mvsas/mv_94xx.h
+@@ -258,21 +258,11 @@ enum sas_sata_phy_regs {
+ #define SPI_ADDR_VLD_94XX (1U << 1)
+ #define SPI_CTRL_SpiStart_94XX (1U << 0)
+
+-#define mv_ffc(x) ffz(x)
+-
+ static inline int
+ mv_ffc64(u64 v)
+ {
+- int i;
+- i = mv_ffc((u32)v);
+- if (i >= 0)
+- return i;
+- i = mv_ffc((u32)(v>>32));
+-
+- if (i != 0)
+- return 32 + i;
+-
+- return -1;
++ u64 x = ~v;
++ return x ? __ffs64(x) : -1;
+ }
+
+ #define r_reg_set_enable(i) \
+diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
+index 4539d59..a3776d6 100644
+--- a/drivers/scsi/mvsas/mv_sas.c
++++ b/drivers/scsi/mvsas/mv_sas.c
+@@ -1629,7 +1629,7 @@ int mvs_abort_task(struct sas_task *task)
+ mv_dprintk("mvs_abort_task() mvi=%p task=%p "
+ "slot=%p slot_idx=x%x\n",
+ mvi, task, slot, slot_idx);
+- mvs_tmf_timedout((unsigned long)task);
++ task->task_state_flags |= SAS_TASK_STATE_ABORTED;
+ mvs_slot_task_free(mvi, task, slot, slot_idx);
+ rc = TMF_RESP_FUNC_COMPLETE;
+ goto out;
+diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h
+index c04a4f5..da24955 100644
+--- a/drivers/scsi/mvsas/mv_sas.h
++++ b/drivers/scsi/mvsas/mv_sas.h
+@@ -69,7 +69,7 @@ extern struct kmem_cache *mvs_task_list_cache;
+ #define DEV_IS_EXPANDER(type) \
+ ((type == EDGE_DEV) || (type == FANOUT_DEV))
+
+-#define bit(n) ((u32)1 << n)
++#define bit(n) ((u64)1 << n)
+
+ #define for_each_phy(__lseq_mask, __mc, __lseq) \
+ for ((__mc) = (__lseq_mask), (__lseq) = 0; \
+diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
+index fb8cd38..0076210 100644
+--- a/drivers/scsi/qla2xxx/qla_os.c
++++ b/drivers/scsi/qla2xxx/qla_os.c
+@@ -3801,9 +3801,9 @@ qla2x00_do_dpc(void *data)
+ "ISP abort end.\n");
+ }
+
+- if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
++ if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
++ &base_vha->dpc_flags)) {
+ qla2x00_update_fcports(base_vha);
+- clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
+ }
+
+ if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) {
+diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
+index ce5224c..931a7d9 100644
+--- a/drivers/scsi/scsi_sysfs.c
++++ b/drivers/scsi/scsi_sysfs.c
+@@ -247,11 +247,11 @@ show_shost_active_mode(struct device *dev,
+
+ static DEVICE_ATTR(active_mode, S_IRUGO | S_IWUSR, show_shost_active_mode, NULL);
+
+-static int check_reset_type(char *str)
++static int check_reset_type(const char *str)
+ {
+- if (strncmp(str, "adapter", 10) == 0)
++ if (sysfs_streq(str, "adapter"))
+ return SCSI_ADAPTER_RESET;
+- else if (strncmp(str, "firmware", 10) == 0)
++ else if (sysfs_streq(str, "firmware"))
+ return SCSI_FIRMWARE_RESET;
+ else
+ return 0;
+@@ -264,12 +264,9 @@ store_host_reset(struct device *dev, struct device_attribute *attr,
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct scsi_host_template *sht = shost->hostt;
+ int ret = -EINVAL;
+- char str[10];
+ int type;
+
+- sscanf(buf, "%s", str);
+- type = check_reset_type(str);
+-
++ type = check_reset_type(buf);
+ if (!type)
+ goto exit_store_host_reset;
+
+diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
+index 4df73e5..8afedd6 100644
+--- a/drivers/scsi/sd.c
++++ b/drivers/scsi/sd.c
+@@ -2926,10 +2926,6 @@ static int __init init_sd(void)
+ if (err)
+ goto err_out;
+
+- err = scsi_register_driver(&sd_template.gendrv);
+- if (err)
+- goto err_out_class;
+-
+ sd_cdb_cache = kmem_cache_create("sd_ext_cdb", SD_EXT_CDB_SIZE,
+ 0, 0, NULL);
+ if (!sd_cdb_cache) {
+@@ -2943,8 +2939,15 @@ static int __init init_sd(void)
+ goto err_out_cache;
+ }
+
++ err = scsi_register_driver(&sd_template.gendrv);
++ if (err)
++ goto err_out_driver;
++
+ return 0;
+
++err_out_driver:
++ mempool_destroy(sd_cdb_pool);
++
+ err_out_cache:
+ kmem_cache_destroy(sd_cdb_cache);
+
+@@ -2967,10 +2970,10 @@ static void __exit exit_sd(void)
+
+ SCSI_LOG_HLQUEUE(3, printk("exit_sd: exiting sd driver\n"));
+
++ scsi_unregister_driver(&sd_template.gendrv);
+ mempool_destroy(sd_cdb_pool);
+ kmem_cache_destroy(sd_cdb_cache);
+
+- scsi_unregister_driver(&sd_template.gendrv);
+ class_unregister(&sd_disk_class);
+
+ for (i = 0; i < SD_MAJORS; i++)
+diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
+index 6cee785..2701546 100644
+--- a/drivers/staging/comedi/Kconfig
++++ b/drivers/staging/comedi/Kconfig
+@@ -444,6 +444,7 @@ config COMEDI_ADQ12B
+
+ config COMEDI_NI_AT_A2150
+ tristate "NI AT-A2150 ISA card support"
++ select COMEDI_FC
+ depends on VIRT_TO_BUS
+ ---help---
+ Enable support for National Instruments AT-A2150 cards
+diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
+index 41dea18..2bbf288 100644
+--- a/drivers/staging/comedi/comedi_fops.c
++++ b/drivers/staging/comedi/comedi_fops.c
+@@ -1545,8 +1545,16 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
+ /* Device config is special, because it must work on
+ * an unconfigured device. */
+ if (cmd == COMEDI_DEVCONFIG) {
++ if (minor >= COMEDI_NUM_BOARD_MINORS) {
++ /* Device config not appropriate on non-board minors. */
++ rc = -ENOTTY;
++ goto done;
++ }
+ rc = do_devconfig_ioctl(dev,
+ (struct comedi_devconfig __user *)arg);
++ if (rc == 0)
++ /* Evade comedi_auto_unconfig(). */
++ dev_file_info->hardware_device = NULL;
+ goto done;
+ }
+
+@@ -1769,7 +1777,7 @@ static unsigned int comedi_poll(struct file *file, poll_table *wait)
+
+ mask = 0;
+ read_subdev = comedi_get_read_subdevice(dev_file_info);
+- if (read_subdev) {
++ if (read_subdev && read_subdev->async) {
+ poll_wait(file, &read_subdev->async->wait_head, wait);
+ if (!read_subdev->busy
+ || comedi_buf_read_n_available(read_subdev->async) > 0
+@@ -1779,7 +1787,7 @@ static unsigned int comedi_poll(struct file *file, poll_table *wait)
+ }
+ }
+ write_subdev = comedi_get_write_subdevice(dev_file_info);
+- if (write_subdev) {
++ if (write_subdev && write_subdev->async) {
+ poll_wait(file, &write_subdev->async->wait_head, wait);
+ comedi_buf_write_alloc(write_subdev->async,
+ write_subdev->async->prealloc_bufsz);
+@@ -1821,7 +1829,7 @@ static ssize_t comedi_write(struct file *file, const char __user *buf,
+ }
+
+ s = comedi_get_write_subdevice(dev_file_info);
+- if (s == NULL) {
++ if (s == NULL || s->async == NULL) {
+ retval = -EIO;
+ goto done;
+ }
+@@ -1932,7 +1940,7 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes,
+ }
+
+ s = comedi_get_read_subdevice(dev_file_info);
+- if (s == NULL) {
++ if (s == NULL || s->async == NULL) {
+ retval = -EIO;
+ goto done;
+ }
+diff --git a/drivers/staging/comedi/drivers/comedi_test.c b/drivers/staging/comedi/drivers/comedi_test.c
+index 523a809..e38bd64 100644
+--- a/drivers/staging/comedi/drivers/comedi_test.c
++++ b/drivers/staging/comedi/drivers/comedi_test.c
+@@ -396,7 +396,7 @@ static int waveform_ai_cancel(struct comedi_device *dev,
+ struct comedi_subdevice *s)
+ {
+ devpriv->timer_running = 0;
+- del_timer(&devpriv->timer);
++ del_timer_sync(&devpriv->timer);
+ return 0;
+ }
+
+diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
+index d3a1d65..ac0fbd7 100644
+--- a/drivers/staging/comedi/drivers/ni_labpc.c
++++ b/drivers/staging/comedi/drivers/ni_labpc.c
+@@ -1263,7 +1263,9 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
+ else
+ channel = CR_CHAN(cmd->chanlist[0]);
+ /* munge channel bits for differential / scan disabled mode */
+- if (labpc_ai_scan_mode(cmd) != MODE_SINGLE_CHAN && aref == AREF_DIFF)
++ if ((labpc_ai_scan_mode(cmd) == MODE_SINGLE_CHAN ||
++ labpc_ai_scan_mode(cmd) == MODE_SINGLE_CHAN_INTERVAL) &&
++ aref == AREF_DIFF)
+ channel *= 2;
+ devpriv->command1_bits |= ADC_CHAN_BITS(channel);
+ devpriv->command1_bits |= thisboard->ai_range_code[range];
+@@ -1279,21 +1281,6 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
+ devpriv->write_byte(devpriv->command1_bits,
+ dev->iobase + COMMAND1_REG);
+ }
+- /* setup any external triggering/pacing (command4 register) */
+- devpriv->command4_bits = 0;
+- if (cmd->convert_src != TRIG_EXT)
+- devpriv->command4_bits |= EXT_CONVERT_DISABLE_BIT;
+- /* XXX should discard first scan when using interval scanning
+- * since manual says it is not synced with scan clock */
+- if (labpc_use_continuous_mode(cmd) == 0) {
+- devpriv->command4_bits |= INTERVAL_SCAN_EN_BIT;
+- if (cmd->scan_begin_src == TRIG_EXT)
+- devpriv->command4_bits |= EXT_SCAN_EN_BIT;
+- }
+- /* single-ended/differential */
+- if (aref == AREF_DIFF)
+- devpriv->command4_bits |= ADC_DIFF_BIT;
+- devpriv->write_byte(devpriv->command4_bits, dev->iobase + COMMAND4_REG);
+
+ devpriv->write_byte(cmd->chanlist_len,
+ dev->iobase + INTERVAL_COUNT_REG);
+@@ -1373,6 +1360,22 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
+ devpriv->command3_bits &= ~ADC_FNE_INTR_EN_BIT;
+ devpriv->write_byte(devpriv->command3_bits, dev->iobase + COMMAND3_REG);
+
++ /* setup any external triggering/pacing (command4 register) */
++ devpriv->command4_bits = 0;
++ if (cmd->convert_src != TRIG_EXT)
++ devpriv->command4_bits |= EXT_CONVERT_DISABLE_BIT;
++ /* XXX should discard first scan when using interval scanning
++ * since manual says it is not synced with scan clock */
++ if (labpc_use_continuous_mode(cmd) == 0) {
++ devpriv->command4_bits |= INTERVAL_SCAN_EN_BIT;
++ if (cmd->scan_begin_src == TRIG_EXT)
++ devpriv->command4_bits |= EXT_SCAN_EN_BIT;
++ }
++ /* single-ended/differential */
++ if (aref == AREF_DIFF)
++ devpriv->command4_bits |= ADC_DIFF_BIT;
++ devpriv->write_byte(devpriv->command4_bits, dev->iobase + COMMAND4_REG);
++
+ /* startup acquisition */
+
+ /* command2 reg */
+diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c
+index 89f4d43..af5007c 100644
+--- a/drivers/staging/comedi/drivers/ni_pcimio.c
++++ b/drivers/staging/comedi/drivers/ni_pcimio.c
+@@ -963,7 +963,7 @@ static const struct ni_board_struct ni_boards[] = {
+ .ao_range_table = &range_ni_M_625x_ao,
+ .reg_type = ni_reg_625x,
+ .ao_unipolar = 0,
+- .ao_speed = 357,
++ .ao_speed = 350,
+ .num_p0_dio_channels = 8,
+ .caldac = {caldac_none},
+ .has_8255 = 0,
+@@ -982,7 +982,7 @@ static const struct ni_board_struct ni_boards[] = {
+ .ao_range_table = &range_ni_M_625x_ao,
+ .reg_type = ni_reg_625x,
+ .ao_unipolar = 0,
+- .ao_speed = 357,
++ .ao_speed = 350,
+ .num_p0_dio_channels = 8,
+ .caldac = {caldac_none},
+ .has_8255 = 0,
+@@ -1001,7 +1001,7 @@ static const struct ni_board_struct ni_boards[] = {
+ .ao_range_table = &range_ni_M_625x_ao,
+ .reg_type = ni_reg_625x,
+ .ao_unipolar = 0,
+- .ao_speed = 357,
++ .ao_speed = 350,
+ .num_p0_dio_channels = 8,
+ .caldac = {caldac_none},
+ .has_8255 = 0,
+@@ -1037,7 +1037,7 @@ static const struct ni_board_struct ni_boards[] = {
+ .ao_range_table = &range_ni_M_625x_ao,
+ .reg_type = ni_reg_625x,
+ .ao_unipolar = 0,
+- .ao_speed = 357,
++ .ao_speed = 350,
+ .num_p0_dio_channels = 32,
+ .caldac = {caldac_none},
+ .has_8255 = 0,
+@@ -1056,7 +1056,7 @@ static const struct ni_board_struct ni_boards[] = {
+ .ao_range_table = &range_ni_M_625x_ao,
+ .reg_type = ni_reg_625x,
+ .ao_unipolar = 0,
+- .ao_speed = 357,
++ .ao_speed = 350,
+ .num_p0_dio_channels = 32,
+ .caldac = {caldac_none},
+ .has_8255 = 0,
+@@ -1092,7 +1092,7 @@ static const struct ni_board_struct ni_boards[] = {
+ .ao_range_table = &range_ni_M_628x_ao,
+ .reg_type = ni_reg_628x,
+ .ao_unipolar = 1,
+- .ao_speed = 357,
++ .ao_speed = 350,
+ .num_p0_dio_channels = 8,
+ .caldac = {caldac_none},
+ .has_8255 = 0,
+@@ -1111,7 +1111,7 @@ static const struct ni_board_struct ni_boards[] = {
+ .ao_range_table = &range_ni_M_628x_ao,
+ .reg_type = ni_reg_628x,
+ .ao_unipolar = 1,
+- .ao_speed = 357,
++ .ao_speed = 350,
+ .num_p0_dio_channels = 8,
+ .caldac = {caldac_none},
+ .has_8255 = 0,
+@@ -1147,7 +1147,7 @@ static const struct ni_board_struct ni_boards[] = {
+ .ao_range_table = &range_ni_M_628x_ao,
+ .reg_type = ni_reg_628x,
+ .ao_unipolar = 1,
+- .ao_speed = 357,
++ .ao_speed = 350,
+ .num_p0_dio_channels = 32,
+ .caldac = {caldac_none},
+ .has_8255 = 0,
+diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
+index c758c40..ad53781 100644
+--- a/drivers/staging/rtl8712/usb_intf.c
++++ b/drivers/staging/rtl8712/usb_intf.c
+@@ -64,6 +64,8 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = {
+ {USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */
+ /* Belkin */
+ {USB_DEVICE(0x050D, 0x945A)},
++ /* ISY IWL - Belkin clone */
++ {USB_DEVICE(0x050D, 0x11F1)},
+ /* Corega */
+ {USB_DEVICE(0x07AA, 0x0047)},
+ /* D-Link */
+diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c
+index df95337..7616f05 100644
+--- a/drivers/staging/speakup/synth.c
++++ b/drivers/staging/speakup/synth.c
+@@ -342,7 +342,7 @@ int synth_init(char *synth_name)
+
+ mutex_lock(&spk_mutex);
+ /* First, check if we already have it loaded. */
+- for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++)
++ for (i = 0; i < MAXSYNTHS && synths[i] != NULL; i++)
+ if (strcmp(synths[i]->name, synth_name) == 0)
+ synth = synths[i];
+
+@@ -423,7 +423,7 @@ int synth_add(struct spk_synth *in_synth)
+ int i;
+ int status = 0;
+ mutex_lock(&spk_mutex);
+- for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++)
++ for (i = 0; i < MAXSYNTHS && synths[i] != NULL; i++)
+ /* synth_remove() is responsible for rotating the array down */
+ if (in_synth == synths[i]) {
+ mutex_unlock(&spk_mutex);
+diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
+index 6b2ec39..806cbf7 100644
+--- a/drivers/staging/vt6656/bssdb.h
++++ b/drivers/staging/vt6656/bssdb.h
+@@ -90,7 +90,6 @@ typedef struct tagSRSNCapObject {
+ } SRSNCapObject, *PSRSNCapObject;
+
+ // BSS info(AP)
+-#pragma pack(1)
+ typedef struct tagKnownBSS {
+ // BSS info
+ BOOL bActive;
+diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c
+index 3aa895e..a510b29 100644
+--- a/drivers/staging/vt6656/dpc.c
++++ b/drivers/staging/vt6656/dpc.c
+@@ -1238,7 +1238,7 @@ static BOOL s_bHandleRxEncryption (
+
+ PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
+ *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4));
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %x\n", *pdwRxTSC47_16);
+ if (byDecMode == KEY_CTL_TKIP) {
+ *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
+ } else {
+@@ -1349,7 +1349,7 @@ static BOOL s_bHostWepRxEncryption (
+
+ PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
+ *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4));
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %x\n", *pdwRxTSC47_16);
+
+ if (byDecMode == KEY_CTL_TKIP) {
+ *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
+diff --git a/drivers/staging/vt6656/int.h b/drivers/staging/vt6656/int.h
+index 3734e2c..91ceb77 100644
+--- a/drivers/staging/vt6656/int.h
++++ b/drivers/staging/vt6656/int.h
+@@ -34,7 +34,6 @@
+ #include "device.h"
+
+ /*--------------------- Export Definitions -------------------------*/
+-#pragma pack(1)
+ typedef struct tagSINTData {
+ BYTE byTSR0;
+ BYTE byPkt0;
+diff --git a/drivers/staging/vt6656/iocmd.h b/drivers/staging/vt6656/iocmd.h
+index 22710ce..ae6e2d2 100644
+--- a/drivers/staging/vt6656/iocmd.h
++++ b/drivers/staging/vt6656/iocmd.h
+@@ -95,13 +95,12 @@ typedef enum tagWZONETYPE {
+ // Ioctl interface structure
+ // Command structure
+ //
+-#pragma pack(1)
+ typedef struct tagSCmdRequest {
+ u8 name[16];
+ void *data;
+ u16 wResult;
+ u16 wCmdCode;
+-} SCmdRequest, *PSCmdRequest;
++} __packed SCmdRequest, *PSCmdRequest;
+
+ //
+ // Scan
+@@ -111,7 +110,7 @@ typedef struct tagSCmdScan {
+
+ u8 ssid[SSID_MAXLEN + 2];
+
+-} SCmdScan, *PSCmdScan;
++} __packed SCmdScan, *PSCmdScan;
+
+ //
+ // BSS Join
+@@ -126,7 +125,7 @@ typedef struct tagSCmdBSSJoin {
+ BOOL bPSEnable;
+ BOOL bShareKeyAuth;
+
+-} SCmdBSSJoin, *PSCmdBSSJoin;
++} __packed SCmdBSSJoin, *PSCmdBSSJoin;
+
+ //
+ // Zonetype Setting
+@@ -137,7 +136,7 @@ typedef struct tagSCmdZoneTypeSet {
+ BOOL bWrite;
+ WZONETYPE ZoneType;
+
+-} SCmdZoneTypeSet, *PSCmdZoneTypeSet;
++} __packed SCmdZoneTypeSet, *PSCmdZoneTypeSet;
+
+ typedef struct tagSWPAResult {
+ char ifname[100];
+@@ -145,7 +144,7 @@ typedef struct tagSWPAResult {
+ u8 key_mgmt;
+ u8 eap_type;
+ BOOL authenticated;
+-} SWPAResult, *PSWPAResult;
++} __packed SWPAResult, *PSWPAResult;
+
+ typedef struct tagSCmdStartAP {
+
+@@ -157,7 +156,7 @@ typedef struct tagSCmdStartAP {
+ BOOL bShareKeyAuth;
+ u8 byBasicRate;
+
+-} SCmdStartAP, *PSCmdStartAP;
++} __packed SCmdStartAP, *PSCmdStartAP;
+
+ typedef struct tagSCmdSetWEP {
+
+@@ -167,7 +166,7 @@ typedef struct tagSCmdSetWEP {
+ BOOL bWepKeyAvailable[WEP_NKEYS];
+ u32 auWepKeyLength[WEP_NKEYS];
+
+-} SCmdSetWEP, *PSCmdSetWEP;
++} __packed SCmdSetWEP, *PSCmdSetWEP;
+
+ typedef struct tagSBSSIDItem {
+
+@@ -180,14 +179,14 @@ typedef struct tagSBSSIDItem {
+ BOOL bWEPOn;
+ u32 uRSSI;
+
+-} SBSSIDItem;
++} __packed SBSSIDItem;
+
+
+ typedef struct tagSBSSIDList {
+
+ u32 uItem;
+ SBSSIDItem sBSSIDList[0];
+-} SBSSIDList, *PSBSSIDList;
++} __packed SBSSIDList, *PSBSSIDList;
+
+
+ typedef struct tagSNodeItem {
+@@ -208,7 +207,7 @@ typedef struct tagSNodeItem {
+ u32 uTxAttempts;
+ u16 wFailureRatio;
+
+-} SNodeItem;
++} __packed SNodeItem;
+
+
+ typedef struct tagSNodeList {
+@@ -216,7 +215,7 @@ typedef struct tagSNodeList {
+ u32 uItem;
+ SNodeItem sNodeList[0];
+
+-} SNodeList, *PSNodeList;
++} __packed SNodeList, *PSNodeList;
+
+
+ typedef struct tagSCmdLinkStatus {
+@@ -229,7 +228,7 @@ typedef struct tagSCmdLinkStatus {
+ u32 uChannel;
+ u32 uLinkRate;
+
+-} SCmdLinkStatus, *PSCmdLinkStatus;
++} __packed SCmdLinkStatus, *PSCmdLinkStatus;
+
+ //
+ // 802.11 counter
+@@ -247,7 +246,7 @@ typedef struct tagSDot11MIBCount {
+ u32 ReceivedFragmentCount;
+ u32 MulticastReceivedFrameCount;
+ u32 FCSErrorCount;
+-} SDot11MIBCount, *PSDot11MIBCount;
++} __packed SDot11MIBCount, *PSDot11MIBCount;
+
+
+
+@@ -355,13 +354,13 @@ typedef struct tagSStatMIBCount {
+ u32 ullTxBroadcastBytes[2];
+ u32 ullTxMulticastBytes[2];
+ u32 ullTxDirectedBytes[2];
+-} SStatMIBCount, *PSStatMIBCount;
++} __packed SStatMIBCount, *PSStatMIBCount;
+
+ typedef struct tagSCmdValue {
+
+ u32 dwValue;
+
+-} SCmdValue, *PSCmdValue;
++} __packed SCmdValue, *PSCmdValue;
+
+ //
+ // hostapd & viawget ioctl related
+@@ -431,7 +430,7 @@ struct viawget_hostapd_param {
+ u8 ssid[32];
+ } scan_req;
+ } u;
+-};
++} __packed;
+
+ /*--------------------- Export Classes ----------------------------*/
+
+diff --git a/drivers/staging/vt6656/iowpa.h b/drivers/staging/vt6656/iowpa.h
+index 959c886..2522dde 100644
+--- a/drivers/staging/vt6656/iowpa.h
++++ b/drivers/staging/vt6656/iowpa.h
+@@ -67,12 +67,11 @@ enum {
+
+
+
+-#pragma pack(1)
+ typedef struct viawget_wpa_header {
+ u8 type;
+ u16 req_ie_len;
+ u16 resp_ie_len;
+-} viawget_wpa_header;
++} __packed viawget_wpa_header;
+
+ struct viawget_wpa_param {
+ u32 cmd;
+@@ -113,9 +112,8 @@ struct viawget_wpa_param {
+ u8 *buf;
+ } scan_results;
+ } u;
+-};
++} __packed;
+
+-#pragma pack(1)
+ struct viawget_scan_result {
+ u8 bssid[6];
+ u8 ssid[32];
+@@ -130,7 +128,7 @@ struct viawget_scan_result {
+ int noise;
+ int level;
+ int maxrate;
+-};
++} __packed;
+
+ /*--------------------- Export Classes ----------------------------*/
+
+diff --git a/drivers/staging/vt6656/key.c b/drivers/staging/vt6656/key.c
+index ee62a06..ba3a561 100644
+--- a/drivers/staging/vt6656/key.c
++++ b/drivers/staging/vt6656/key.c
+@@ -223,7 +223,7 @@ BOOL KeybSetKey(
+ PSKeyManagement pTable,
+ PBYTE pbyBSSID,
+ DWORD dwKeyIndex,
+- unsigned long uKeyLength,
++ u32 uKeyLength,
+ PQWORD pKeyRSC,
+ PBYTE pbyKey,
+ BYTE byKeyDecMode
+@@ -235,7 +235,8 @@ BOOL KeybSetKey(
+ PSKeyItem pKey;
+ unsigned int uKeyIdx;
+
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetKey: %lX\n", dwKeyIndex);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
++ "Enter KeybSetKey: %X\n", dwKeyIndex);
+
+ j = (MAX_KEY_TABLE-1);
+ for (i=0;i<(MAX_KEY_TABLE-1);i++) {
+@@ -261,7 +262,9 @@ BOOL KeybSetKey(
+ if ((dwKeyIndex & TRANSMIT_KEY) != 0) {
+ // Group transmit key
+ pTable->KeyTable[i].dwGTKeyIndex = dwKeyIndex;
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(R)[%lX]: %d\n", pTable->KeyTable[i].dwGTKeyIndex, i);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
++ "Group transmit key(R)[%X]: %d\n",
++ pTable->KeyTable[i].dwGTKeyIndex, i);
+ }
+ pTable->KeyTable[i].wKeyCtl &= 0xFF0F; // clear group key control filed
+ pTable->KeyTable[i].wKeyCtl |= (byKeyDecMode << 4);
+@@ -302,9 +305,12 @@ BOOL KeybSetKey(
+ }
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
+
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n ", pKey->dwTSC47_16);
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n ", pKey->wTSC15_0);
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n ", pKey->dwKeyIndex);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %x\n ",
++ pKey->dwTSC47_16);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n ",
++ pKey->wTSC15_0);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %x\n ",
++ pKey->dwKeyIndex);
+
+ return (TRUE);
+ }
+@@ -326,7 +332,9 @@ BOOL KeybSetKey(
+ if ((dwKeyIndex & TRANSMIT_KEY) != 0) {
+ // Group transmit key
+ pTable->KeyTable[j].dwGTKeyIndex = dwKeyIndex;
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(N)[%lX]: %d\n", pTable->KeyTable[j].dwGTKeyIndex, j);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
++ "Group transmit key(N)[%X]: %d\n",
++ pTable->KeyTable[j].dwGTKeyIndex, j);
+ }
+ pTable->KeyTable[j].wKeyCtl &= 0xFF0F; // clear group key control filed
+ pTable->KeyTable[j].wKeyCtl |= (byKeyDecMode << 4);
+@@ -367,9 +375,11 @@ BOOL KeybSetKey(
+ }
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
+
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n ", pKey->dwTSC47_16);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %x\n ",
++ pKey->dwTSC47_16);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n ", pKey->wTSC15_0);
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n ", pKey->dwKeyIndex);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %x\n ",
++ pKey->dwKeyIndex);
+
+ return (TRUE);
+ }
+@@ -597,7 +607,8 @@ BOOL KeybGetTransmitKey(PSKeyManagement pTable, PBYTE pbyBSSID, DWORD dwKeyType,
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%x ", pTable->KeyTable[i].abyBSSID[ii]);
+ }
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwGTKeyIndex: %lX\n", pTable->KeyTable[i].dwGTKeyIndex);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwGTKeyIndex: %X\n",
++ pTable->KeyTable[i].dwGTKeyIndex);
+
+ return (TRUE);
+ }
+@@ -664,7 +675,7 @@ BOOL KeybSetDefaultKey(
+ void *pDeviceHandler,
+ PSKeyManagement pTable,
+ DWORD dwKeyIndex,
+- unsigned long uKeyLength,
++ u32 uKeyLength,
+ PQWORD pKeyRSC,
+ PBYTE pbyKey,
+ BYTE byKeyDecMode
+@@ -696,7 +707,10 @@ BOOL KeybSetDefaultKey(
+ if ((dwKeyIndex & TRANSMIT_KEY) != 0) {
+ // Group transmit key
+ pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex = dwKeyIndex;
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(R)[%lX]: %d\n", pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex, MAX_KEY_TABLE-1);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
++ "Group transmit key(R)[%X]: %d\n",
++ pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex,
++ MAX_KEY_TABLE-1);
+
+ }
+ pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl &= 0x7F00; // clear all key control filed
+@@ -747,9 +761,11 @@ BOOL KeybSetDefaultKey(
+ }
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n");
+
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n", pKey->dwTSC47_16);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %x\n",
++ pKey->dwTSC47_16);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n", pKey->wTSC15_0);
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n", pKey->dwKeyIndex);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %x\n",
++ pKey->dwKeyIndex);
+
+ return (TRUE);
+ }
+@@ -775,7 +791,7 @@ BOOL KeybSetAllGroupKey(
+ void *pDeviceHandler,
+ PSKeyManagement pTable,
+ DWORD dwKeyIndex,
+- unsigned long uKeyLength,
++ u32 uKeyLength,
+ PQWORD pKeyRSC,
+ PBYTE pbyKey,
+ BYTE byKeyDecMode
+@@ -787,7 +803,8 @@ BOOL KeybSetAllGroupKey(
+ PSKeyItem pKey;
+ unsigned int uKeyIdx;
+
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetAllGroupKey: %lX\n", dwKeyIndex);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetAllGroupKey: %X\n",
++ dwKeyIndex);
+
+
+ if ((dwKeyIndex & PAIRWISE_KEY) != 0) { // Pairwise key
+@@ -804,7 +821,9 @@ BOOL KeybSetAllGroupKey(
+ if ((dwKeyIndex & TRANSMIT_KEY) != 0) {
+ // Group transmit key
+ pTable->KeyTable[i].dwGTKeyIndex = dwKeyIndex;
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(R)[%lX]: %d\n", pTable->KeyTable[i].dwGTKeyIndex, i);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
++ "Group transmit key(R)[%X]: %d\n",
++ pTable->KeyTable[i].dwGTKeyIndex, i);
+
+ }
+ pTable->KeyTable[i].wKeyCtl &= 0xFF0F; // clear group key control filed
+diff --git a/drivers/staging/vt6656/key.h b/drivers/staging/vt6656/key.h
+index f749c7a..bd35d39 100644
+--- a/drivers/staging/vt6656/key.h
++++ b/drivers/staging/vt6656/key.h
+@@ -58,7 +58,7 @@
+ typedef struct tagSKeyItem
+ {
+ BOOL bKeyValid;
+- unsigned long uKeyLength;
++ u32 uKeyLength;
+ BYTE abyKey[MAX_KEY_LEN];
+ QWORD KeyRSC;
+ DWORD dwTSC47_16;
+@@ -107,7 +107,7 @@ BOOL KeybSetKey(
+ PSKeyManagement pTable,
+ PBYTE pbyBSSID,
+ DWORD dwKeyIndex,
+- unsigned long uKeyLength,
++ u32 uKeyLength,
+ PQWORD pKeyRSC,
+ PBYTE pbyKey,
+ BYTE byKeyDecMode
+@@ -146,7 +146,7 @@ BOOL KeybSetDefaultKey(
+ void *pDeviceHandler,
+ PSKeyManagement pTable,
+ DWORD dwKeyIndex,
+- unsigned long uKeyLength,
++ u32 uKeyLength,
+ PQWORD pKeyRSC,
+ PBYTE pbyKey,
+ BYTE byKeyDecMode
+@@ -156,7 +156,7 @@ BOOL KeybSetAllGroupKey(
+ void *pDeviceHandler,
+ PSKeyManagement pTable,
+ DWORD dwKeyIndex,
+- unsigned long uKeyLength,
++ u32 uKeyLength,
+ PQWORD pKeyRSC,
+ PBYTE pbyKey,
+ BYTE byKeyDecMode
+diff --git a/drivers/staging/vt6656/mac.c b/drivers/staging/vt6656/mac.c
+index af4a29d..8fddc7b 100644
+--- a/drivers/staging/vt6656/mac.c
++++ b/drivers/staging/vt6656/mac.c
+@@ -260,7 +260,8 @@ BYTE pbyData[24];
+ dwData1 <<= 16;
+ dwData1 |= MAKEWORD(*(pbyAddr+4), *(pbyAddr+5));
+
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"1. wOffset: %d, Data: %lX, KeyCtl:%X\n", wOffset, dwData1, wKeyCtl);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"1. wOffset: %d, Data: %X,"\
++ " KeyCtl:%X\n", wOffset, dwData1, wKeyCtl);
+
+ //VNSvOutPortW(dwIoBase + MAC_REG_MISCFFNDEX, wOffset);
+ //VNSvOutPortD(dwIoBase + MAC_REG_MISCFFDATA, dwData);
+@@ -277,7 +278,8 @@ BYTE pbyData[24];
+ dwData2 <<= 8;
+ dwData2 |= *(pbyAddr+0);
+
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"2. wOffset: %d, Data: %lX\n", wOffset, dwData2);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"2. wOffset: %d, Data: %X\n",
++ wOffset, dwData2);
+
+ //VNSvOutPortW(dwIoBase + MAC_REG_MISCFFNDEX, wOffset);
+ //VNSvOutPortD(dwIoBase + MAC_REG_MISCFFDATA, dwData);
+diff --git a/drivers/staging/vt6656/rf.c b/drivers/staging/vt6656/rf.c
+index 3fd0478..8cf0881 100644
+--- a/drivers/staging/vt6656/rf.c
++++ b/drivers/staging/vt6656/rf.c
+@@ -769,6 +769,9 @@ BYTE byPwr = pDevice->byCCKPwr;
+ return TRUE;
+ }
+
++ if (uCH == 0)
++ return -EINVAL;
++
+ switch (uRATE) {
+ case RATE_1M:
+ case RATE_2M:
+diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
+index b6e04e7..7a56929 100644
+--- a/drivers/staging/vt6656/rxtx.c
++++ b/drivers/staging/vt6656/rxtx.c
+@@ -375,7 +375,8 @@ s_vFillTxKey (
+ *(pbyIVHead+3) = (BYTE)(((pDevice->byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV
+ // Append IV&ExtIV after Mac Header
+ *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16);
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vFillTxKey()---- pdwExtIV: %lx\n", *pdwExtIV);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vFillTxKey()---- pdwExtIV: %x\n",
++ *pdwExtIV);
+
+ } else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) {
+ pTransmitKey->wTSC15_0++;
+@@ -1751,7 +1752,8 @@ s_bPacketToWirelessUsb(
+ MIC_vAppend((PBYTE)&(psEthHeader->abyDstAddr[0]), 12);
+ dwMIC_Priority = 0;
+ MIC_vAppend((PBYTE)&dwMIC_Priority, 4);
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC KEY: %lX, %lX\n", dwMICKey0, dwMICKey1);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC KEY: %X, %X\n",
++ dwMICKey0, dwMICKey1);
+
+ ///////////////////////////////////////////////////////////////////
+
+@@ -2633,7 +2635,8 @@ vDMA0_tx_80211(PSDevice pDevice, struct sk_buff *skb) {
+ MIC_vAppend((PBYTE)&(sEthHeader.abyDstAddr[0]), 12);
+ dwMIC_Priority = 0;
+ MIC_vAppend((PBYTE)&dwMIC_Priority, 4);
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"DMA0_tx_8021:MIC KEY: %lX, %lX\n", dwMICKey0, dwMICKey1);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"DMA0_tx_8021:MIC KEY:"\
++ " %X, %X\n", dwMICKey0, dwMICKey1);
+
+ uLength = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen;
+
+@@ -2653,7 +2656,8 @@ vDMA0_tx_80211(PSDevice pDevice, struct sk_buff *skb) {
+
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"uLength: %d, %d\n", uLength, cbFrameBodySize);
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"cbReqCount:%d, %d, %d, %d\n", cbReqCount, cbHeaderSize, uPadding, cbIVlen);
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC:%lx, %lx\n", *pdwMIC_L, *pdwMIC_R);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC:%x, %x\n",
++ *pdwMIC_L, *pdwMIC_R);
+
+ }
+
+@@ -3027,7 +3031,8 @@ int nsDMA_tx_packet(PSDevice pDevice, unsigned int uDMAIdx, struct sk_buff *skb)
+ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"error: KEY is GTK!!~~\n");
+ }
+ else {
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%lX]\n", pTransmitKey->dwKeyIndex);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%X]\n",
++ pTransmitKey->dwKeyIndex);
+ bNeedEncryption = TRUE;
+ }
+ }
+@@ -3041,7 +3046,8 @@ int nsDMA_tx_packet(PSDevice pDevice, unsigned int uDMAIdx, struct sk_buff *skb)
+ if (pDevice->bEnableHostWEP) {
+ if ((uNodeIndex != 0) &&
+ (pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex & PAIRWISE_KEY)) {
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%lX]\n", pTransmitKey->dwKeyIndex);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%X]\n",
++ pTransmitKey->dwKeyIndex);
+ bNeedEncryption = TRUE;
+ }
+ }
+diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h
+index 8e9450e..dfbf747 100644
+--- a/drivers/staging/vt6656/ttype.h
++++ b/drivers/staging/vt6656/ttype.h
+@@ -29,6 +29,8 @@
+ #ifndef __TTYPE_H__
+ #define __TTYPE_H__
+
++#include <linux/types.h>
++
+ /******* Common definitions and typedefs ***********************************/
+
+ typedef int BOOL;
+@@ -42,17 +44,17 @@ typedef int BOOL;
+
+ /****** Simple typedefs ***************************************************/
+
+-typedef unsigned char BYTE; // 8-bit
+-typedef unsigned short WORD; // 16-bit
+-typedef unsigned long DWORD; // 32-bit
++typedef u8 BYTE;
++typedef u16 WORD;
++typedef u32 DWORD;
+
+ // QWORD is for those situation that we want
+ // an 8-byte-aligned 8 byte long structure
+ // which is NOT really a floating point number.
+ typedef union tagUQuadWord {
+ struct {
+- DWORD dwLowDword;
+- DWORD dwHighDword;
++ u32 dwLowDword;
++ u32 dwHighDword;
+ } u;
+ double DoNotUseThisField;
+ } UQuadWord;
+@@ -60,8 +62,8 @@ typedef UQuadWord QWORD; // 64-bit
+
+ /****** Common pointer types ***********************************************/
+
+-typedef unsigned long ULONG_PTR; // 32-bit
+-typedef unsigned long DWORD_PTR; // 32-bit
++typedef u32 ULONG_PTR;
++typedef u32 DWORD_PTR;
+
+ // boolean pointer
+
+diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
+index 609e8fa..e962eae 100644
+--- a/drivers/staging/vt6656/usbpipe.c
++++ b/drivers/staging/vt6656/usbpipe.c
+@@ -165,6 +165,11 @@ int PIPEnsControlOut(
+ if (pDevice->Flags & fMP_CONTROL_WRITES)
+ return STATUS_FAILURE;
+
++ if (pDevice->Flags & fMP_CONTROL_READS)
++ return STATUS_FAILURE;
++
++ MP_SET_FLAG(pDevice, fMP_CONTROL_WRITES);
++
+ pDevice->sUsbCtlRequest.bRequestType = 0x40;
+ pDevice->sUsbCtlRequest.bRequest = byRequest;
+ pDevice->sUsbCtlRequest.wValue = cpu_to_le16p(&wValue);
+@@ -179,12 +184,13 @@ int PIPEnsControlOut(
+
+ ntStatus = usb_submit_urb(pDevice->pControlURB, GFP_ATOMIC);
+ if (ntStatus != 0) {
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"control send request submission failed: %d\n", ntStatus);
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
++ "control send request submission failed: %d\n",
++ ntStatus);
++ MP_CLEAR_FLAG(pDevice, fMP_CONTROL_WRITES);
+ return STATUS_FAILURE;
+ }
+- else {
+- MP_SET_FLAG(pDevice, fMP_CONTROL_WRITES);
+- }
++
+ spin_unlock_irq(&pDevice->lock);
+ for (ii = 0; ii <= USB_CTL_WAIT; ii ++) {
+
+@@ -224,6 +230,11 @@ int PIPEnsControlIn(
+ if (pDevice->Flags & fMP_CONTROL_READS)
+ return STATUS_FAILURE;
+
++ if (pDevice->Flags & fMP_CONTROL_WRITES)
++ return STATUS_FAILURE;
++
++ MP_SET_FLAG(pDevice, fMP_CONTROL_READS);
++
+ pDevice->sUsbCtlRequest.bRequestType = 0xC0;
+ pDevice->sUsbCtlRequest.bRequest = byRequest;
+ pDevice->sUsbCtlRequest.wValue = cpu_to_le16p(&wValue);
+@@ -237,10 +248,11 @@ int PIPEnsControlIn(
+
+ ntStatus = usb_submit_urb(pDevice->pControlURB, GFP_ATOMIC);
+ if (ntStatus != 0) {
+- DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"control request submission failed: %d\n", ntStatus);
+- }else {
+- MP_SET_FLAG(pDevice, fMP_CONTROL_READS);
+- }
++ DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO
++ "control request submission failed: %d\n", ntStatus);
++ MP_CLEAR_FLAG(pDevice, fMP_CONTROL_READS);
++ return STATUS_FAILURE;
++ }
+
+ spin_unlock_irq(&pDevice->lock);
+ for (ii = 0; ii <= USB_CTL_WAIT; ii ++) {
+diff --git a/drivers/staging/vt6656/wcmd.c b/drivers/staging/vt6656/wcmd.c
+index 9d2caa8..2225b9e 100644
+--- a/drivers/staging/vt6656/wcmd.c
++++ b/drivers/staging/vt6656/wcmd.c
+@@ -316,17 +316,19 @@ s_MgrMakeProbeRequest(
+ return pTxPacket;
+ }
+
+-void vCommandTimerWait(void *hDeviceContext, unsigned int MSecond)
++void vCommandTimerWait(void *hDeviceContext, unsigned long MSecond)
+ {
+- PSDevice pDevice = (PSDevice)hDeviceContext;
++ PSDevice pDevice = (PSDevice)hDeviceContext;
+
+- init_timer(&pDevice->sTimerCommand);
+- pDevice->sTimerCommand.data = (unsigned long)pDevice;
+- pDevice->sTimerCommand.function = (TimerFunction)vRunCommand;
+- // RUN_AT :1 msec ~= (HZ/1024)
+- pDevice->sTimerCommand.expires = (unsigned int)RUN_AT((MSecond * HZ) >> 10);
+- add_timer(&pDevice->sTimerCommand);
+- return;
++ init_timer(&pDevice->sTimerCommand);
++
++ pDevice->sTimerCommand.data = (unsigned long)pDevice;
++ pDevice->sTimerCommand.function = (TimerFunction)vRunCommand;
++ pDevice->sTimerCommand.expires = RUN_AT((MSecond * HZ) / 1000);
++
++ add_timer(&pDevice->sTimerCommand);
++
++ return;
+ }
+
+ void vRunCommand(void *hDeviceContext)
+diff --git a/drivers/staging/vt6656/wpa2.h b/drivers/staging/vt6656/wpa2.h
+index 46c2959..c359252 100644
+--- a/drivers/staging/vt6656/wpa2.h
++++ b/drivers/staging/vt6656/wpa2.h
+@@ -45,8 +45,8 @@ typedef struct tagsPMKIDInfo {
+ } PMKIDInfo, *PPMKIDInfo;
+
+ typedef struct tagSPMKIDCache {
+- unsigned long BSSIDInfoCount;
+- PMKIDInfo BSSIDInfo[MAX_PMKID_CACHE];
++ u32 BSSIDInfoCount;
++ PMKIDInfo BSSIDInfo[MAX_PMKID_CACHE];
+ } SPMKIDCache, *PSPMKIDCache;
+
+
+diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c
+index 4efa9bc..89bfd85 100644
+--- a/drivers/staging/wlan-ng/prism2mgmt.c
++++ b/drivers/staging/wlan-ng/prism2mgmt.c
+@@ -406,7 +406,7 @@ int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp)
+ /* SSID */
+ req->ssid.status = P80211ENUM_msgitem_status_data_ok;
+ req->ssid.data.len = le16_to_cpu(item->ssid.len);
+- req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_BSSID_LEN);
++ req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_SSID_MAXLEN);
+ memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len);
+
+ /* supported rates */
+diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
+index 6b6f50a..5bafd2d 100644
+--- a/drivers/target/iscsi/iscsi_target.c
++++ b/drivers/target/iscsi/iscsi_target.c
+@@ -2384,7 +2384,7 @@ static void iscsit_build_conn_drop_async_message(struct iscsi_conn *conn)
+ if (!conn_p)
+ return;
+
+- cmd = iscsit_allocate_cmd(conn_p, GFP_KERNEL);
++ cmd = iscsit_allocate_cmd(conn_p, GFP_ATOMIC);
+ if (!cmd) {
+ iscsit_dec_conn_usage_count(conn_p);
+ return;
+diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
+index 68d4c10..7f9136e 100644
+--- a/drivers/target/target_core_device.c
++++ b/drivers/target/target_core_device.c
+@@ -1193,6 +1193,8 @@ int se_dev_set_queue_depth(struct se_device *dev, u32 queue_depth)
+
+ int se_dev_set_fabric_max_sectors(struct se_device *dev, u32 fabric_max_sectors)
+ {
++ int block_size = dev->se_sub_dev->se_dev_attrib.block_size;
++
+ if (atomic_read(&dev->dev_export_obj.obj_access_count)) {
+ pr_err("dev[%p]: Unable to change SE Device"
+ " fabric_max_sectors while dev_export_obj: %d count exists\n",
+@@ -1230,8 +1232,12 @@ int se_dev_set_fabric_max_sectors(struct se_device *dev, u32 fabric_max_sectors)
+ /*
+ * Align max_sectors down to PAGE_SIZE to follow transport_allocate_data_tasks()
+ */
++ if (!block_size) {
++ block_size = 512;
++ pr_warn("Defaulting to 512 for zero block_size\n");
++ }
+ fabric_max_sectors = se_dev_align_max_sectors(fabric_max_sectors,
+- dev->se_sub_dev->se_dev_attrib.block_size);
++ block_size);
+
+ dev->se_sub_dev->se_dev_attrib.fabric_max_sectors = fabric_max_sectors;
+ pr_debug("dev[%p]: SE Device max_sectors changed to %u\n",
+@@ -1434,24 +1440,18 @@ static struct se_lun *core_dev_get_lun(struct se_portal_group *tpg, u32 unpacked
+
+ struct se_lun_acl *core_dev_init_initiator_node_lun_acl(
+ struct se_portal_group *tpg,
++ struct se_node_acl *nacl,
+ u32 mapped_lun,
+- char *initiatorname,
+ int *ret)
+ {
+ struct se_lun_acl *lacl;
+- struct se_node_acl *nacl;
+
+- if (strlen(initiatorname) >= TRANSPORT_IQN_LEN) {
++ if (strlen(nacl->initiatorname) >= TRANSPORT_IQN_LEN) {
+ pr_err("%s InitiatorName exceeds maximum size.\n",
+ tpg->se_tpg_tfo->get_fabric_name());
+ *ret = -EOVERFLOW;
+ return NULL;
+ }
+- nacl = core_tpg_get_initiator_node_acl(tpg, initiatorname);
+- if (!nacl) {
+- *ret = -EINVAL;
+- return NULL;
+- }
+ lacl = kzalloc(sizeof(struct se_lun_acl), GFP_KERNEL);
+ if (!lacl) {
+ pr_err("Unable to allocate memory for struct se_lun_acl.\n");
+@@ -1462,7 +1462,8 @@ struct se_lun_acl *core_dev_init_initiator_node_lun_acl(
+ INIT_LIST_HEAD(&lacl->lacl_list);
+ lacl->mapped_lun = mapped_lun;
+ lacl->se_lun_nacl = nacl;
+- snprintf(lacl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
++ snprintf(lacl->initiatorname, TRANSPORT_IQN_LEN, "%s",
++ nacl->initiatorname);
+
+ return lacl;
+ }
+@@ -1622,6 +1623,7 @@ int core_dev_setup_virtual_lun0(void)
+ ret = PTR_ERR(dev);
+ goto out;
+ }
++ dev->dev_link_magic = SE_DEV_LINK_MAGIC;
+ se_dev->se_dev_ptr = dev;
+ g_lun0_dev = dev;
+
+diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
+index ea479e5..f06b130 100644
+--- a/drivers/target/target_core_fabric_configfs.c
++++ b/drivers/target/target_core_fabric_configfs.c
+@@ -72,6 +72,12 @@ static int target_fabric_mappedlun_link(
+ struct se_portal_group *se_tpg;
+ struct config_item *nacl_ci, *tpg_ci, *tpg_ci_s, *wwn_ci, *wwn_ci_s;
+ int ret = 0, lun_access;
++
++ if (lun->lun_link_magic != SE_LUN_LINK_MAGIC) {
++ pr_err("Bad lun->lun_link_magic, not a valid lun_ci pointer:"
++ " %p to struct lun: %p\n", lun_ci, lun);
++ return -EFAULT;
++ }
+ /*
+ * Ensure that the source port exists
+ */
+@@ -350,9 +356,17 @@ static struct config_group *target_fabric_make_mappedlun(
+ ret = -EINVAL;
+ goto out;
+ }
++ if (mapped_lun > (TRANSPORT_MAX_LUNS_PER_TPG-1)) {
++ pr_err("Mapped LUN: %lu exceeds TRANSPORT_MAX_LUNS_PER_TPG"
++ "-1: %u for Target Portal Group: %u\n", mapped_lun,
++ TRANSPORT_MAX_LUNS_PER_TPG-1,
++ se_tpg->se_tpg_tfo->tpg_get_tag(se_tpg));
++ ret = -EINVAL;
++ goto out;
++ }
+
+- lacl = core_dev_init_initiator_node_lun_acl(se_tpg, mapped_lun,
+- config_item_name(acl_ci), &ret);
++ lacl = core_dev_init_initiator_node_lun_acl(se_tpg, se_nacl,
++ mapped_lun, &ret);
+ if (!lacl) {
+ ret = -EINVAL;
+ goto out;
+@@ -763,6 +777,11 @@ static int target_fabric_port_link(
+ ret = -ENODEV;
+ goto out;
+ }
++ if (dev->dev_link_magic != SE_DEV_LINK_MAGIC) {
++ pr_err("Bad dev->dev_link_magic, not a valid se_dev_ci pointer:"
++ " %p to struct se_device: %p\n", se_dev_ci, dev);
++ return -EFAULT;
++ }
+
+ lun_p = core_dev_add_lun(se_tpg, dev, lun->unpacked_lun);
+ if (IS_ERR(lun_p)) {
+diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h
+index 0fd4282..e102488 100644
+--- a/drivers/target/target_core_internal.h
++++ b/drivers/target/target_core_internal.h
+@@ -51,7 +51,7 @@ struct se_lun *core_dev_add_lun(struct se_portal_group *, struct se_device *, u3
+ int core_dev_del_lun(struct se_portal_group *, u32);
+ struct se_lun *core_get_lun_from_tpg(struct se_portal_group *, u32);
+ struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
+- u32, char *, int *);
++ struct se_node_acl *, u32, int *);
+ int core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
+ struct se_lun_acl *, u32, u32);
+ int core_dev_del_initiator_node_lun_acl(struct se_portal_group *,
+diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
+index b8628a5..ee5000c 100644
+--- a/drivers/target/target_core_tpg.c
++++ b/drivers/target/target_core_tpg.c
+@@ -114,16 +114,10 @@ struct se_node_acl *core_tpg_get_initiator_node_acl(
+ struct se_node_acl *acl;
+
+ spin_lock_irq(&tpg->acl_node_lock);
+- list_for_each_entry(acl, &tpg->acl_node_list, acl_list) {
+- if (!strcmp(acl->initiatorname, initiatorname) &&
+- !acl->dynamic_node_acl) {
+- spin_unlock_irq(&tpg->acl_node_lock);
+- return acl;
+- }
+- }
++ acl = __core_tpg_get_initiator_node_acl(tpg, initiatorname);
+ spin_unlock_irq(&tpg->acl_node_lock);
+
+- return NULL;
++ return acl;
+ }
+
+ /* core_tpg_add_node_to_devs():
+@@ -672,6 +666,7 @@ int core_tpg_register(
+ for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
+ lun = se_tpg->tpg_lun_list[i];
+ lun->unpacked_lun = i;
++ lun->lun_link_magic = SE_LUN_LINK_MAGIC;
+ lun->lun_status = TRANSPORT_LUN_STATUS_FREE;
+ atomic_set(&lun->lun_acl_count, 0);
+ init_completion(&lun->lun_shutdown_comp);
+diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
+index c87ef74..65e6320 100644
+--- a/drivers/target/target_core_transport.c
++++ b/drivers/target/target_core_transport.c
+@@ -1085,6 +1085,7 @@ struct se_device *transport_add_device_to_core_hba(
+ dev->se_hba = hba;
+ dev->se_sub_dev = se_dev;
+ dev->transport = transport;
++ dev->dev_link_magic = SE_DEV_LINK_MAGIC;
+ INIT_LIST_HEAD(&dev->dev_list);
+ INIT_LIST_HEAD(&dev->dev_sep_list);
+ INIT_LIST_HEAD(&dev->dev_tmr_list);
+@@ -1553,6 +1554,8 @@ static void target_complete_tmr_failure(struct work_struct *work)
+
+ se_cmd->se_tmr_req->response = TMR_LUN_DOES_NOT_EXIST;
+ se_cmd->se_tfo->queue_tm_rsp(se_cmd);
++
++ transport_cmd_check_stop_to_fabric(se_cmd);
+ }
+
+ /**
+diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
+index 3c9e5b5..230d8ec 100644
+--- a/drivers/target/tcm_fc/tfc_sess.c
++++ b/drivers/target/tcm_fc/tfc_sess.c
+@@ -356,11 +356,11 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len,
+
+ tport = ft_tport_create(rdata->local_port);
+ if (!tport)
+- return 0; /* not a target for this local port */
++ goto not_target; /* not a target for this local port */
+
+ acl = ft_acl_get(tport->tpg, rdata);
+ if (!acl)
+- return 0;
++ goto not_target; /* no target for this remote */
+
+ if (!rspp)
+ goto fill;
+@@ -397,12 +397,18 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len,
+
+ /*
+ * OR in our service parameters with other provider (initiator), if any.
+- * TBD XXX - indicate RETRY capability?
+ */
+ fill:
+ fcp_parm = ntohl(spp->spp_params);
++ fcp_parm &= ~FCP_SPPF_RETRY;
+ spp->spp_params = htonl(fcp_parm | FCP_SPPF_TARG_FCN);
+ return FC_SPP_RESP_ACK;
++
++not_target:
++ fcp_parm = ntohl(spp->spp_params);
++ fcp_parm &= ~FCP_SPPF_TARG_FCN;
++ spp->spp_params = htonl(fcp_parm);
++ return 0;
+ }
+
+ /**
+@@ -431,7 +437,6 @@ static void ft_sess_rcu_free(struct rcu_head *rcu)
+ {
+ struct ft_sess *sess = container_of(rcu, struct ft_sess, rcu);
+
+- transport_deregister_session(sess->se_sess);
+ kfree(sess);
+ }
+
+@@ -439,6 +444,7 @@ static void ft_sess_free(struct kref *kref)
+ {
+ struct ft_sess *sess = container_of(kref, struct ft_sess, kref);
+
++ transport_deregister_session(sess->se_sess);
+ call_rcu(&sess->rcu, ft_sess_rcu_free);
+ }
+
+diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
+index 90dff82..4a418e4 100644
+--- a/drivers/tty/n_gsm.c
++++ b/drivers/tty/n_gsm.c
+@@ -1692,6 +1692,8 @@ static inline void dlci_put(struct gsm_dlci *dlci)
+ kref_put(&dlci->ref, gsm_dlci_free);
+ }
+
++static void gsm_destroy_network(struct gsm_dlci *dlci);
++
+ /**
+ * gsm_dlci_release - release DLCI
+ * @dlci: DLCI to destroy
+@@ -1705,9 +1707,19 @@ static void gsm_dlci_release(struct gsm_dlci *dlci)
+ {
+ struct tty_struct *tty = tty_port_tty_get(&dlci->port);
+ if (tty) {
++ mutex_lock(&dlci->mutex);
++ gsm_destroy_network(dlci);
++ mutex_unlock(&dlci->mutex);
++
++ /* tty_vhangup needs the tty_lock, so unlock and
++ relock after doing the hangup. */
++ tty_unlock();
+ tty_vhangup(tty);
++ tty_lock();
++ tty_port_tty_set(&dlci->port, NULL);
+ tty_kref_put(tty);
+ }
++ dlci->state = DLCI_CLOSED;
+ dlci_put(dlci);
+ }
+
+@@ -2933,6 +2945,8 @@ static void gsmtty_close(struct tty_struct *tty, struct file *filp)
+
+ if (dlci == NULL)
+ return;
++ if (dlci->state == DLCI_CLOSED)
++ return;
+ mutex_lock(&dlci->mutex);
+ gsm_destroy_network(dlci);
+ mutex_unlock(&dlci->mutex);
+@@ -2951,6 +2965,8 @@ out:
+ static void gsmtty_hangup(struct tty_struct *tty)
+ {
+ struct gsm_dlci *dlci = tty->driver_data;
++ if (dlci->state == DLCI_CLOSED)
++ return;
+ tty_port_hangup(&dlci->port);
+ gsm_dlci_begin_close(dlci);
+ }
+@@ -2958,9 +2974,12 @@ static void gsmtty_hangup(struct tty_struct *tty)
+ static int gsmtty_write(struct tty_struct *tty, const unsigned char *buf,
+ int len)
+ {
++ int sent;
+ struct gsm_dlci *dlci = tty->driver_data;
++ if (dlci->state == DLCI_CLOSED)
++ return -EINVAL;
+ /* Stuff the bytes into the fifo queue */
+- int sent = kfifo_in_locked(dlci->fifo, buf, len, &dlci->lock);
++ sent = kfifo_in_locked(dlci->fifo, buf, len, &dlci->lock);
+ /* Need to kick the channel */
+ gsm_dlci_data_kick(dlci);
+ return sent;
+@@ -2969,18 +2988,24 @@ static int gsmtty_write(struct tty_struct *tty, const unsigned char *buf,
+ static int gsmtty_write_room(struct tty_struct *tty)
+ {
+ struct gsm_dlci *dlci = tty->driver_data;
++ if (dlci->state == DLCI_CLOSED)
++ return -EINVAL;
+ return TX_SIZE - kfifo_len(dlci->fifo);
+ }
+
+ static int gsmtty_chars_in_buffer(struct tty_struct *tty)
+ {
+ struct gsm_dlci *dlci = tty->driver_data;
++ if (dlci->state == DLCI_CLOSED)
++ return -EINVAL;
+ return kfifo_len(dlci->fifo);
+ }
+
+ static void gsmtty_flush_buffer(struct tty_struct *tty)
+ {
+ struct gsm_dlci *dlci = tty->driver_data;
++ if (dlci->state == DLCI_CLOSED)
++ return;
+ /* Caution needed: If we implement reliable transport classes
+ then the data being transmitted can't simply be junked once
+ it has first hit the stack. Until then we can just blow it
+@@ -2999,6 +3024,8 @@ static void gsmtty_wait_until_sent(struct tty_struct *tty, int timeout)
+ static int gsmtty_tiocmget(struct tty_struct *tty)
+ {
+ struct gsm_dlci *dlci = tty->driver_data;
++ if (dlci->state == DLCI_CLOSED)
++ return -EINVAL;
+ return dlci->modem_rx;
+ }
+
+@@ -3008,6 +3035,8 @@ static int gsmtty_tiocmset(struct tty_struct *tty,
+ struct gsm_dlci *dlci = tty->driver_data;
+ unsigned int modem_tx = dlci->modem_tx;
+
++ if (dlci->state == DLCI_CLOSED)
++ return -EINVAL;
+ modem_tx &= ~clear;
+ modem_tx |= set;
+
+@@ -3026,6 +3055,8 @@ static int gsmtty_ioctl(struct tty_struct *tty,
+ struct gsm_netconfig nc;
+ int index;
+
++ if (dlci->state == DLCI_CLOSED)
++ return -EINVAL;
+ switch (cmd) {
+ case GSMIOC_ENABLE_NET:
+ if (copy_from_user(&nc, (void __user *)arg, sizeof(nc)))
+@@ -3052,6 +3083,9 @@ static int gsmtty_ioctl(struct tty_struct *tty,
+
+ static void gsmtty_set_termios(struct tty_struct *tty, struct ktermios *old)
+ {
++ struct gsm_dlci *dlci = tty->driver_data;
++ if (dlci->state == DLCI_CLOSED)
++ return;
+ /* For the moment its fixed. In actual fact the speed information
+ for the virtual channel can be propogated in both directions by
+ the RPN control message. This however rapidly gets nasty as we
+@@ -3063,6 +3097,8 @@ static void gsmtty_set_termios(struct tty_struct *tty, struct ktermios *old)
+ static void gsmtty_throttle(struct tty_struct *tty)
+ {
+ struct gsm_dlci *dlci = tty->driver_data;
++ if (dlci->state == DLCI_CLOSED)
++ return;
+ if (tty->termios->c_cflag & CRTSCTS)
+ dlci->modem_tx &= ~TIOCM_DTR;
+ dlci->throttled = 1;
+@@ -3073,6 +3109,8 @@ static void gsmtty_throttle(struct tty_struct *tty)
+ static void gsmtty_unthrottle(struct tty_struct *tty)
+ {
+ struct gsm_dlci *dlci = tty->driver_data;
++ if (dlci->state == DLCI_CLOSED)
++ return;
+ if (tty->termios->c_cflag & CRTSCTS)
+ dlci->modem_tx |= TIOCM_DTR;
+ dlci->throttled = 0;
+@@ -3084,6 +3122,8 @@ static int gsmtty_break_ctl(struct tty_struct *tty, int state)
+ {
+ struct gsm_dlci *dlci = tty->driver_data;
+ int encode = 0; /* Off */
++ if (dlci->state == DLCI_CLOSED)
++ return -EINVAL;
+
+ if (state == -1) /* "On indefinitely" - we can't encode this
+ properly */
+diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
+index f574eef..b6dc908 100644
+--- a/drivers/tty/serial/8250/8250_dw.c
++++ b/drivers/tty/serial/8250/8250_dw.c
+@@ -79,7 +79,7 @@ static int dw8250_handle_irq(struct uart_port *p)
+ } else if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) {
+ /* Clear the USR and write the LCR again. */
+ (void)p->serial_in(p, UART_USR);
+- p->serial_out(p, d->last_lcr, UART_LCR);
++ p->serial_out(p, UART_LCR, d->last_lcr);
+
+ return 1;
+ }
+diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
+index 3ad079f..f43156f 100644
+--- a/drivers/tty/serial/ifx6x60.c
++++ b/drivers/tty/serial/ifx6x60.c
+@@ -552,6 +552,7 @@ static void ifx_port_shutdown(struct tty_port *port)
+ container_of(port, struct ifx_spi_device, tty_port);
+
+ mrdy_set_low(ifx_dev);
++ del_timer(&ifx_dev->spi_timer);
+ clear_bit(IFX_SPI_STATE_TIMER_PENDING, &ifx_dev->flags);
+ tasklet_kill(&ifx_dev->io_work_tasklet);
+ }
+diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
+index a1b9a2f..f8d03da 100644
+--- a/drivers/tty/tty_ioctl.c
++++ b/drivers/tty/tty_ioctl.c
+@@ -617,7 +617,7 @@ static int set_termios(struct tty_struct *tty, void __user *arg, int opt)
+ if (opt & TERMIOS_WAIT) {
+ tty_wait_until_sent(tty, 0);
+ if (signal_pending(current))
+- return -EINTR;
++ return -ERESTARTSYS;
+ }
+
+ tty_set_termios(tty, &tmp_termios);
+@@ -684,7 +684,7 @@ static int set_termiox(struct tty_struct *tty, void __user *arg, int opt)
+ if (opt & TERMIOS_WAIT) {
+ tty_wait_until_sent(tty, 0);
+ if (signal_pending(current))
+- return -EINTR;
++ return -ERESTARTSYS;
+ }
+
+ mutex_lock(&tty->termios_mutex);
+diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
+index a13f7e1..d2f0b26 100644
+--- a/drivers/tty/vt/vt.c
++++ b/drivers/tty/vt/vt.c
+@@ -656,7 +656,7 @@ static inline void save_screen(struct vc_data *vc)
+ * Redrawing of screen
+ */
+
+-static void clear_buffer_attributes(struct vc_data *vc)
++void clear_buffer_attributes(struct vc_data *vc)
+ {
+ unsigned short *p = (unsigned short *)vc->vc_origin;
+ int count = vc->vc_screenbuf_size / 2;
+@@ -3017,7 +3017,7 @@ int __init vty_init(const struct file_operations *console_fops)
+
+ static struct class *vtconsole_class;
+
+-static int bind_con_driver(const struct consw *csw, int first, int last,
++static int do_bind_con_driver(const struct consw *csw, int first, int last,
+ int deflt)
+ {
+ struct module *owner = csw->owner;
+@@ -3028,7 +3028,7 @@ static int bind_con_driver(const struct consw *csw, int first, int last,
+ if (!try_module_get(owner))
+ return -ENODEV;
+
+- console_lock();
++ WARN_CONSOLE_UNLOCKED();
+
+ /* check if driver is registered */
+ for (i = 0; i < MAX_NR_CON_DRIVER; i++) {
+@@ -3113,11 +3113,22 @@ static int bind_con_driver(const struct consw *csw, int first, int last,
+
+ retval = 0;
+ err:
+- console_unlock();
+ module_put(owner);
+ return retval;
+ };
+
++
++static int bind_con_driver(const struct consw *csw, int first, int last,
++ int deflt)
++{
++ int ret;
++
++ console_lock();
++ ret = do_bind_con_driver(csw, first, last, deflt);
++ console_unlock();
++ return ret;
++}
++
+ #ifdef CONFIG_VT_HW_CONSOLE_BINDING
+ static int con_is_graphics(const struct consw *csw, int first, int last)
+ {
+@@ -3154,6 +3165,18 @@ static int con_is_graphics(const struct consw *csw, int first, int last)
+ */
+ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
+ {
++ int retval;
++
++ console_lock();
++ retval = do_unbind_con_driver(csw, first, last, deflt);
++ console_unlock();
++ return retval;
++}
++EXPORT_SYMBOL(unbind_con_driver);
++
++/* unlocked version of unbind_con_driver() */
++int do_unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
++{
+ struct module *owner = csw->owner;
+ const struct consw *defcsw = NULL;
+ struct con_driver *con_driver = NULL, *con_back = NULL;
+@@ -3162,7 +3185,7 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
+ if (!try_module_get(owner))
+ return -ENODEV;
+
+- console_lock();
++ WARN_CONSOLE_UNLOCKED();
+
+ /* check if driver is registered and if it is unbindable */
+ for (i = 0; i < MAX_NR_CON_DRIVER; i++) {
+@@ -3175,10 +3198,8 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
+ }
+ }
+
+- if (retval) {
+- console_unlock();
++ if (retval)
+ goto err;
+- }
+
+ retval = -ENODEV;
+
+@@ -3194,15 +3215,11 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
+ }
+ }
+
+- if (retval) {
+- console_unlock();
++ if (retval)
+ goto err;
+- }
+
+- if (!con_is_bound(csw)) {
+- console_unlock();
++ if (!con_is_bound(csw))
+ goto err;
+- }
+
+ first = max(first, con_driver->first);
+ last = min(last, con_driver->last);
+@@ -3229,15 +3246,14 @@ int unbind_con_driver(const struct consw *csw, int first, int last, int deflt)
+ if (!con_is_bound(csw))
+ con_driver->flag &= ~CON_DRIVER_FLAG_INIT;
+
+- console_unlock();
+ /* ignore return value, binding should not fail */
+- bind_con_driver(defcsw, first, last, deflt);
++ do_bind_con_driver(defcsw, first, last, deflt);
+ err:
+ module_put(owner);
+ return retval;
+
+ }
+-EXPORT_SYMBOL(unbind_con_driver);
++EXPORT_SYMBOL_GPL(do_unbind_con_driver);
+
+ static int vt_bind(struct con_driver *con)
+ {
+@@ -3522,28 +3538,18 @@ int con_debug_leave(void)
+ }
+ EXPORT_SYMBOL_GPL(con_debug_leave);
+
+-/**
+- * register_con_driver - register console driver to console layer
+- * @csw: console driver
+- * @first: the first console to take over, minimum value is 0
+- * @last: the last console to take over, maximum value is MAX_NR_CONSOLES -1
+- *
+- * DESCRIPTION: This function registers a console driver which can later
+- * bind to a range of consoles specified by @first and @last. It will
+- * also initialize the console driver by calling con_startup().
+- */
+-int register_con_driver(const struct consw *csw, int first, int last)
++static int do_register_con_driver(const struct consw *csw, int first, int last)
+ {
+ struct module *owner = csw->owner;
+ struct con_driver *con_driver;
+ const char *desc;
+ int i, retval = 0;
+
++ WARN_CONSOLE_UNLOCKED();
++
+ if (!try_module_get(owner))
+ return -ENODEV;
+
+- console_lock();
+-
+ for (i = 0; i < MAX_NR_CON_DRIVER; i++) {
+ con_driver = &registered_con_driver[i];
+
+@@ -3596,10 +3602,29 @@ int register_con_driver(const struct consw *csw, int first, int last)
+ }
+
+ err:
+- console_unlock();
+ module_put(owner);
+ return retval;
+ }
++
++/**
++ * register_con_driver - register console driver to console layer
++ * @csw: console driver
++ * @first: the first console to take over, minimum value is 0
++ * @last: the last console to take over, maximum value is MAX_NR_CONSOLES -1
++ *
++ * DESCRIPTION: This function registers a console driver which can later
++ * bind to a range of consoles specified by @first and @last. It will
++ * also initialize the console driver by calling con_startup().
++ */
++int register_con_driver(const struct consw *csw, int first, int last)
++{
++ int retval;
++
++ console_lock();
++ retval = do_register_con_driver(csw, first, last);
++ console_unlock();
++ return retval;
++}
+ EXPORT_SYMBOL(register_con_driver);
+
+ /**
+@@ -3615,9 +3640,18 @@ EXPORT_SYMBOL(register_con_driver);
+ */
+ int unregister_con_driver(const struct consw *csw)
+ {
+- int i, retval = -ENODEV;
++ int retval;
+
+ console_lock();
++ retval = do_unregister_con_driver(csw);
++ console_unlock();
++ return retval;
++}
++EXPORT_SYMBOL(unregister_con_driver);
++
++int do_unregister_con_driver(const struct consw *csw)
++{
++ int i, retval = -ENODEV;
+
+ /* cannot unregister a bound driver */
+ if (con_is_bound(csw))
+@@ -3643,27 +3677,53 @@ int unregister_con_driver(const struct consw *csw)
+ }
+ }
+ err:
+- console_unlock();
+ return retval;
+ }
+-EXPORT_SYMBOL(unregister_con_driver);
++EXPORT_SYMBOL_GPL(do_unregister_con_driver);
+
+ /*
+ * If we support more console drivers, this function is used
+ * when a driver wants to take over some existing consoles
+ * and become default driver for newly opened ones.
+ *
+- * take_over_console is basically a register followed by unbind
++ * take_over_console is basically a register followed by unbind
++ */
++int do_take_over_console(const struct consw *csw, int first, int last, int deflt)
++{
++ int err;
++
++ err = do_register_con_driver(csw, first, last);
++ /*
++ * If we get an busy error we still want to bind the console driver
++ * and return success, as we may have unbound the console driver
++ * but not unregistered it.
++ */
++ if (err == -EBUSY)
++ err = 0;
++ if (!err)
++ do_bind_con_driver(csw, first, last, deflt);
++
++ return err;
++}
++EXPORT_SYMBOL_GPL(do_take_over_console);
++
++/*
++ * If we support more console drivers, this function is used
++ * when a driver wants to take over some existing consoles
++ * and become default driver for newly opened ones.
++ *
++ * take_over_console is basically a register followed by unbind
+ */
+ int take_over_console(const struct consw *csw, int first, int last, int deflt)
+ {
+ int err;
+
+ err = register_con_driver(csw, first, last);
+- /* if we get an busy error we still want to bind the console driver
++ /*
++ * If we get an busy error we still want to bind the console driver
+ * and return success, as we may have unbound the console driver
+-  * but not unregistered it.
+- */
++ * but not unregistered it.
++ */
+ if (err == -EBUSY)
+ err = 0;
+ if (!err)
+diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
+index 89c752a..d775bc9 100644
+--- a/drivers/usb/class/cdc-acm.c
++++ b/drivers/usb/class/cdc-acm.c
+@@ -1602,6 +1602,9 @@ static const struct usb_device_id acm_ids[] = {
+ { USB_DEVICE(0x0572, 0x1340), /* Conexant CX93010-2x UCMxx */
+ .driver_info = NO_UNION_NORMAL,
+ },
++ { USB_DEVICE(0x05f9, 0x4002), /* PSC Scanning, Magellan 800i */
++ .driver_info = NO_UNION_NORMAL,
++ },
+ { USB_DEVICE(0x1bbb, 0x0003), /* Alcatel OT-I650 */
+ .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
+ },
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index fe7faf0..2aed077 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -867,6 +867,60 @@ static int hub_hub_status(struct usb_hub *hub,
+ return ret;
+ }
+
++static int hub_set_port_link_state(struct usb_hub *hub, int port1,
++ unsigned int link_status)
++{
++ return set_port_feature(hub->hdev,
++ port1 | (link_status << 3),
++ USB_PORT_FEAT_LINK_STATE);
++}
++
++/*
++ * If USB 3.0 ports are placed into the Disabled state, they will no longer
++ * detect any device connects or disconnects. This is generally not what the
++ * USB core wants, since it expects a disabled port to produce a port status
++ * change event when a new device connects.
++ *
++ * Instead, set the link state to Disabled, wait for the link to settle into
++ * that state, clear any change bits, and then put the port into the RxDetect
++ * state.
++ */
++static int hub_usb3_port_disable(struct usb_hub *hub, int port1)
++{
++ int ret;
++ int total_time;
++ u16 portchange, portstatus;
++
++ if (!hub_is_superspeed(hub->hdev))
++ return -EINVAL;
++
++ ret = hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_SS_DISABLED);
++ if (ret) {
++ dev_err(hub->intfdev, "cannot disable port %d (err = %d)\n",
++ port1, ret);
++ return ret;
++ }
++
++ /* Wait for the link to enter the disabled state. */
++ for (total_time = 0; ; total_time += HUB_DEBOUNCE_STEP) {
++ ret = hub_port_status(hub, port1, &portstatus, &portchange);
++ if (ret < 0)
++ return ret;
++
++ if ((portstatus & USB_PORT_STAT_LINK_STATE) ==
++ USB_SS_PORT_LS_SS_DISABLED)
++ break;
++ if (total_time >= HUB_DEBOUNCE_TIMEOUT)
++ break;
++ msleep(HUB_DEBOUNCE_STEP);
++ }
++ if (total_time >= HUB_DEBOUNCE_TIMEOUT)
++ dev_warn(hub->intfdev, "Could not disable port %d after %d ms\n",
++ port1, total_time);
++
++ return hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_RX_DETECT);
++}
++
+ static int hub_port_disable(struct usb_hub *hub, int port1, int set_state)
+ {
+ struct usb_device *hdev = hub->hdev;
+@@ -875,8 +929,13 @@ static int hub_port_disable(struct usb_hub *hub, int port1, int set_state)
+ if (hdev->children[port1-1] && set_state)
+ usb_set_device_state(hdev->children[port1-1],
+ USB_STATE_NOTATTACHED);
+- if (!hub->error && !hub_is_superspeed(hub->hdev))
+- ret = clear_port_feature(hdev, port1, USB_PORT_FEAT_ENABLE);
++ if (!hub->error) {
++ if (hub_is_superspeed(hub->hdev))
++ ret = hub_usb3_port_disable(hub, port1);
++ else
++ ret = clear_port_feature(hdev, port1,
++ USB_PORT_FEAT_ENABLE);
++ }
+ if (ret)
+ dev_err(hub->intfdev, "cannot disable port %d (err = %d)\n",
+ port1, ret);
+@@ -2339,7 +2398,7 @@ static unsigned hub_is_wusb(struct usb_hub *hub)
+ #define HUB_SHORT_RESET_TIME 10
+ #define HUB_BH_RESET_TIME 50
+ #define HUB_LONG_RESET_TIME 200
+-#define HUB_RESET_TIMEOUT 500
++#define HUB_RESET_TIMEOUT 800
+
+ static int hub_port_reset(struct usb_hub *hub, int port1,
+ struct usb_device *udev, unsigned int delay, bool warm);
+@@ -2374,6 +2433,10 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
+ if (ret < 0)
+ return ret;
+
++ /* The port state is unknown until the reset completes. */
++ if ((portstatus & USB_PORT_STAT_RESET))
++ goto delay;
++
+ /*
+ * Some buggy devices require a warm reset to be issued even
+ * when the port appears not to be connected.
+@@ -2419,11 +2482,7 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
+ if ((portchange & USB_PORT_STAT_C_CONNECTION))
+ return -ENOTCONN;
+
+- /* if we`ve finished resetting, then break out of
+- * the loop
+- */
+- if (!(portstatus & USB_PORT_STAT_RESET) &&
+- (portstatus & USB_PORT_STAT_ENABLE)) {
++ if ((portstatus & USB_PORT_STAT_ENABLE)) {
+ if (hub_is_wusb(hub))
+ udev->speed = USB_SPEED_WIRELESS;
+ else if (hub_is_superspeed(hub->hdev))
+@@ -2437,10 +2496,15 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
+ return 0;
+ }
+ } else {
+- if (portchange & USB_PORT_STAT_C_BH_RESET)
+- return 0;
++ if (!(portstatus & USB_PORT_STAT_CONNECTION) ||
++ hub_port_warm_reset_required(hub,
++ portstatus))
++ return -ENOTCONN;
++
++ return 0;
+ }
+
++delay:
+ /* switch to the long delay after two short delay failures */
+ if (delay_time >= 2 * HUB_SHORT_RESET_TIME)
+ delay = HUB_LONG_RESET_TIME;
+@@ -2464,14 +2528,11 @@ static void hub_port_finish_reset(struct usb_hub *hub, int port1,
+ msleep(10 + 40);
+ update_devnum(udev, 0);
+ hcd = bus_to_hcd(udev->bus);
+- if (hcd->driver->reset_device) {
+- *status = hcd->driver->reset_device(hcd, udev);
+- if (*status < 0) {
+- dev_err(&udev->dev, "Cannot reset "
+- "HCD device state\n");
+- break;
+- }
+- }
++ /* The xHC may think the device is already reset,
++ * so ignore the status.
++ */
++ if (hcd->driver->reset_device)
++ hcd->driver->reset_device(hcd, udev);
+ }
+ /* FALL THROUGH */
+ case -ENOTCONN:
+@@ -2479,16 +2540,16 @@ static void hub_port_finish_reset(struct usb_hub *hub, int port1,
+ clear_port_feature(hub->hdev,
+ port1, USB_PORT_FEAT_C_RESET);
+ /* FIXME need disconnect() for NOTATTACHED device */
+- if (warm) {
++ if (hub_is_superspeed(hub->hdev)) {
+ clear_port_feature(hub->hdev, port1,
+ USB_PORT_FEAT_C_BH_PORT_RESET);
+ clear_port_feature(hub->hdev, port1,
+ USB_PORT_FEAT_C_PORT_LINK_STATE);
+- } else {
++ }
++ if (!warm)
+ usb_set_device_state(udev, *status
+ ? USB_STATE_NOTATTACHED
+ : USB_STATE_DEFAULT);
+- }
+ break;
+ }
+ }
+@@ -2676,6 +2737,23 @@ void usb_enable_ltm(struct usb_device *udev)
+ EXPORT_SYMBOL_GPL(usb_enable_ltm);
+
+ #ifdef CONFIG_USB_SUSPEND
++/*
++ * usb_disable_function_remotewakeup - disable usb3.0
++ * device's function remote wakeup
++ * @udev: target device
++ *
++ * Assume there's only one function on the USB 3.0
++ * device and disable remote wake for the first
++ * interface. FIXME if the interface association
++ * descriptor shows there's more than one function.
++ */
++static int usb_disable_function_remotewakeup(struct usb_device *udev)
++{
++ return usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
++ USB_REQ_CLEAR_FEATURE, USB_RECIP_INTERFACE,
++ USB_INTRF_FUNC_SUSPEND, 0, NULL, 0,
++ USB_CTRL_SET_TIMEOUT);
++}
+
+ /*
+ * usb_port_suspend - suspend a usb device's upstream port
+@@ -2793,12 +2871,19 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
+ dev_dbg(hub->intfdev, "can't suspend port %d, status %d\n",
+ port1, status);
+ /* paranoia: "should not happen" */
+- if (udev->do_remote_wakeup)
+- (void) usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+- USB_REQ_CLEAR_FEATURE, USB_RECIP_DEVICE,
+- USB_DEVICE_REMOTE_WAKEUP, 0,
+- NULL, 0,
+- USB_CTRL_SET_TIMEOUT);
++ if (udev->do_remote_wakeup) {
++ if (!hub_is_superspeed(hub->hdev)) {
++ (void) usb_control_msg(udev,
++ usb_sndctrlpipe(udev, 0),
++ USB_REQ_CLEAR_FEATURE,
++ USB_RECIP_DEVICE,
++ USB_DEVICE_REMOTE_WAKEUP, 0,
++ NULL, 0,
++ USB_CTRL_SET_TIMEOUT);
++ } else
++ (void) usb_disable_function_remotewakeup(udev);
++
++ }
+
+ /* Try to enable USB2 hardware LPM again */
+ if (udev->usb2_hw_lpm_capable == 1)
+@@ -2837,7 +2922,7 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
+ static int finish_port_resume(struct usb_device *udev)
+ {
+ int status = 0;
+- u16 devstatus;
++ u16 devstatus = 0;
+
+ /* caller owns the udev device lock */
+ dev_dbg(&udev->dev, "%s\n",
+@@ -2882,21 +2967,37 @@ static int finish_port_resume(struct usb_device *udev)
+ if (status) {
+ dev_dbg(&udev->dev, "gone after usb resume? status %d\n",
+ status);
+- } else if (udev->actconfig) {
+- le16_to_cpus(&devstatus);
+- if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) {
+- status = usb_control_msg(udev,
+- usb_sndctrlpipe(udev, 0),
+- USB_REQ_CLEAR_FEATURE,
++ /*
++ * There are a few quirky devices which violate the standard
++ * by claiming to have remote wakeup enabled after a reset,
++ * which crash if the feature is cleared, hence check for
++ * udev->reset_resume
++ */
++ } else if (udev->actconfig && !udev->reset_resume) {
++ if (!hub_is_superspeed(udev->parent)) {
++ le16_to_cpus(&devstatus);
++ if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP))
++ status = usb_control_msg(udev,
++ usb_sndctrlpipe(udev, 0),
++ USB_REQ_CLEAR_FEATURE,
+ USB_RECIP_DEVICE,
+- USB_DEVICE_REMOTE_WAKEUP, 0,
+- NULL, 0,
+- USB_CTRL_SET_TIMEOUT);
+- if (status)
+- dev_dbg(&udev->dev,
+- "disable remote wakeup, status %d\n",
+- status);
++ USB_DEVICE_REMOTE_WAKEUP, 0,
++ NULL, 0,
++ USB_CTRL_SET_TIMEOUT);
++ } else {
++ status = usb_get_status(udev, USB_RECIP_INTERFACE, 0,
++ &devstatus);
++ le16_to_cpus(&devstatus);
++ if (!status && devstatus & (USB_INTRF_STAT_FUNC_RW_CAP
++ | USB_INTRF_STAT_FUNC_RW))
++ status =
++ usb_disable_function_remotewakeup(udev);
+ }
++
++ if (status)
++ dev_dbg(&udev->dev,
++ "disable remote wakeup, status %d\n",
++ status);
+ status = 0;
+ }
+ return status;
+@@ -4511,9 +4612,14 @@ static void hub_events(void)
+ * SS.Inactive state.
+ */
+ if (hub_port_warm_reset_required(hub, portstatus)) {
++ int status;
++
+ dev_dbg(hub_dev, "warm reset port %d\n", i);
+- hub_port_reset(hub, i, NULL,
++ status = hub_port_reset(hub, i, NULL,
+ HUB_BH_RESET_TIME, true);
++ if (status < 0)
++ hub_port_disable(hub, i, 1);
++ connect_change = 0;
+ }
+
+ if (connect_change)
+diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
+index 0ab7da2..583150b 100644
+--- a/drivers/usb/core/message.c
++++ b/drivers/usb/core/message.c
+@@ -1808,29 +1808,8 @@ free_interfaces:
+ goto free_interfaces;
+ }
+
+- ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+- USB_REQ_SET_CONFIGURATION, 0, configuration, 0,
+- NULL, 0, USB_CTRL_SET_TIMEOUT);
+- if (ret < 0) {
+- /* All the old state is gone, so what else can we do?
+- * The device is probably useless now anyway.
+- */
+- cp = NULL;
+- }
+-
+- dev->actconfig = cp;
+- if (!cp) {
+- usb_set_device_state(dev, USB_STATE_ADDRESS);
+- usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
+- /* Leave LPM disabled while the device is unconfigured. */
+- mutex_unlock(hcd->bandwidth_mutex);
+- usb_autosuspend_device(dev);
+- goto free_interfaces;
+- }
+- mutex_unlock(hcd->bandwidth_mutex);
+- usb_set_device_state(dev, USB_STATE_CONFIGURED);
+-
+- /* Initialize the new interface structures and the
++ /*
++ * Initialize the new interface structures and the
+ * hc/hcd/usbcore interface/endpoint state.
+ */
+ for (i = 0; i < nintf; ++i) {
+@@ -1874,6 +1853,35 @@ free_interfaces:
+ }
+ kfree(new_interfaces);
+
++ ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
++ USB_REQ_SET_CONFIGURATION, 0, configuration, 0,
++ NULL, 0, USB_CTRL_SET_TIMEOUT);
++ if (ret < 0 && cp) {
++ /*
++ * All the old state is gone, so what else can we do?
++ * The device is probably useless now anyway.
++ */
++ usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
++ for (i = 0; i < nintf; ++i) {
++ usb_disable_interface(dev, cp->interface[i], true);
++ put_device(&cp->interface[i]->dev);
++ cp->interface[i] = NULL;
++ }
++ cp = NULL;
++ }
++
++ dev->actconfig = cp;
++ mutex_unlock(hcd->bandwidth_mutex);
++
++ if (!cp) {
++ usb_set_device_state(dev, USB_STATE_ADDRESS);
++
++ /* Leave LPM disabled while the device is unconfigured. */
++ usb_autosuspend_device(dev);
++ return ret;
++ }
++ usb_set_device_state(dev, USB_STATE_CONFIGURED);
++
+ if (cp->string == NULL &&
+ !(dev->quirks & USB_QUIRK_CONFIG_INTF_STRINGS))
+ cp->string = usb_cache_string(dev, cp->desc.iConfiguration);
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
+index eb0fd10..b6c4084 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -1619,6 +1619,7 @@ static int __devinit dwc3_gadget_init_endpoints(struct dwc3 *dwc)
+
+ if (epnum == 0 || epnum == 1) {
+ dep->endpoint.maxpacket = 512;
++ dep->endpoint.maxburst = 1;
+ dep->endpoint.ops = &dwc3_gadget_ep0_ops;
+ if (!epnum)
+ dwc->gadget.ep0 = &dep->endpoint;
+diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
+index afdbb1c..4ad1f1c 100644
+--- a/drivers/usb/gadget/dummy_hcd.c
++++ b/drivers/usb/gadget/dummy_hcd.c
+@@ -126,10 +126,7 @@ static const char ep0name[] = "ep0";
+ static const char *const ep_name[] = {
+ ep0name, /* everyone has ep0 */
+
+- /* act like a net2280: high speed, six configurable endpoints */
+- "ep-a", "ep-b", "ep-c", "ep-d", "ep-e", "ep-f",
+-
+- /* or like pxa250: fifteen fixed function endpoints */
++ /* act like a pxa250: fifteen fixed function endpoints */
+ "ep1in-bulk", "ep2out-bulk", "ep3in-iso", "ep4out-iso", "ep5in-int",
+ "ep6in-bulk", "ep7out-bulk", "ep8in-iso", "ep9out-iso", "ep10in-int",
+ "ep11in-bulk", "ep12out-bulk", "ep13in-iso", "ep14out-iso",
+@@ -137,6 +134,10 @@ static const char *const ep_name[] = {
+
+ /* or like sa1100: two fixed function endpoints */
+ "ep1out-bulk", "ep2in-bulk",
++
++ /* and now some generic EPs so we have enough in multi config */
++ "ep3out", "ep4in", "ep5out", "ep6out", "ep7in", "ep8out", "ep9in",
++ "ep10out", "ep11out", "ep12in", "ep13out", "ep14in", "ep15out",
+ };
+ #define DUMMY_ENDPOINTS ARRAY_SIZE(ep_name)
+
+diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
+index 30b908f..672c66a 100644
+--- a/drivers/usb/gadget/f_ecm.c
++++ b/drivers/usb/gadget/f_ecm.c
+@@ -808,9 +808,9 @@ fail:
+ /* we might as well release our claims on endpoints */
+ if (ecm->notify)
+ ecm->notify->driver_data = NULL;
+- if (ecm->port.out_ep->desc)
++ if (ecm->port.out_ep)
+ ecm->port.out_ep->driver_data = NULL;
+- if (ecm->port.in_ep->desc)
++ if (ecm->port.in_ep)
+ ecm->port.in_ep->driver_data = NULL;
+
+ ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
+diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c
+index 1a7b2dd..a9cf2052 100644
+--- a/drivers/usb/gadget/f_eem.c
++++ b/drivers/usb/gadget/f_eem.c
+@@ -319,10 +319,9 @@ fail:
+ if (f->hs_descriptors)
+ usb_free_descriptors(f->hs_descriptors);
+
+- /* we might as well release our claims on endpoints */
+- if (eem->port.out_ep->desc)
++ if (eem->port.out_ep)
+ eem->port.out_ep->driver_data = NULL;
+- if (eem->port.in_ep->desc)
++ if (eem->port.in_ep)
+ eem->port.in_ep->driver_data = NULL;
+
+ ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
+diff --git a/drivers/usb/gadget/f_midi.c b/drivers/usb/gadget/f_midi.c
+index 2f7e8f2..1bf9596 100644
+--- a/drivers/usb/gadget/f_midi.c
++++ b/drivers/usb/gadget/f_midi.c
+@@ -416,6 +416,7 @@ static void f_midi_unbind(struct usb_configuration *c, struct usb_function *f)
+ midi->id = NULL;
+
+ usb_free_descriptors(f->descriptors);
++ usb_free_descriptors(f->hs_descriptors);
+ kfree(midi);
+ }
+
+diff --git a/drivers/usb/gadget/f_ncm.c b/drivers/usb/gadget/f_ncm.c
+index aab8ede..d7811ae 100644
+--- a/drivers/usb/gadget/f_ncm.c
++++ b/drivers/usb/gadget/f_ncm.c
+@@ -1259,9 +1259,9 @@ fail:
+ /* we might as well release our claims on endpoints */
+ if (ncm->notify)
+ ncm->notify->driver_data = NULL;
+- if (ncm->port.out_ep->desc)
++ if (ncm->port.out_ep)
+ ncm->port.out_ep->driver_data = NULL;
+- if (ncm->port.in_ep->desc)
++ if (ncm->port.in_ep)
+ ncm->port.in_ep->driver_data = NULL;
+
+ ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
+diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
+index 8ee9268..a6c19a4 100644
+--- a/drivers/usb/gadget/f_phonet.c
++++ b/drivers/usb/gadget/f_phonet.c
+@@ -531,7 +531,7 @@ int pn_bind(struct usb_configuration *c, struct usb_function *f)
+
+ req = usb_ep_alloc_request(fp->out_ep, GFP_KERNEL);
+ if (!req)
+- goto err;
++ goto err_req;
+
+ req->complete = pn_rx_complete;
+ fp->out_reqv[i] = req;
+@@ -540,14 +540,18 @@ int pn_bind(struct usb_configuration *c, struct usb_function *f)
+ /* Outgoing USB requests */
+ fp->in_req = usb_ep_alloc_request(fp->in_ep, GFP_KERNEL);
+ if (!fp->in_req)
+- goto err;
++ goto err_req;
+
+ INFO(cdev, "USB CDC Phonet function\n");
+ INFO(cdev, "using %s, OUT %s, IN %s\n", cdev->gadget->name,
+ fp->out_ep->name, fp->in_ep->name);
+ return 0;
+
++err_req:
++ for (i = 0; i < phonet_rxq_size && fp->out_reqv[i]; i++)
++ usb_ep_free_request(fp->out_ep, fp->out_reqv[i]);
+ err:
++
+ if (fp->out_ep)
+ fp->out_ep->driver_data = NULL;
+ if (fp->in_ep)
+diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
+index b1681e4..47953fe 100644
+--- a/drivers/usb/gadget/f_rndis.c
++++ b/drivers/usb/gadget/f_rndis.c
+@@ -803,9 +803,9 @@ fail:
+ /* we might as well release our claims on endpoints */
+ if (rndis->notify)
+ rndis->notify->driver_data = NULL;
+- if (rndis->port.out_ep->desc)
++ if (rndis->port.out_ep)
+ rndis->port.out_ep->driver_data = NULL;
+- if (rndis->port.in_ep->desc)
++ if (rndis->port.in_ep)
+ rndis->port.in_ep->driver_data = NULL;
+
+ ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
+diff --git a/drivers/usb/gadget/f_subset.c b/drivers/usb/gadget/f_subset.c
+index 21ab474..e5bb966 100644
+--- a/drivers/usb/gadget/f_subset.c
++++ b/drivers/usb/gadget/f_subset.c
+@@ -370,9 +370,9 @@ fail:
+ usb_free_descriptors(f->hs_descriptors);
+
+ /* we might as well release our claims on endpoints */
+- if (geth->port.out_ep->desc)
++ if (geth->port.out_ep)
+ geth->port.out_ep->driver_data = NULL;
+- if (geth->port.in_ep->desc)
++ if (geth->port.in_ep)
+ geth->port.in_ep->driver_data = NULL;
+
+ ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
+diff --git a/drivers/usb/gadget/f_uvc.c b/drivers/usb/gadget/f_uvc.c
+index 2a8bf06..10f13c1 100644
+--- a/drivers/usb/gadget/f_uvc.c
++++ b/drivers/usb/gadget/f_uvc.c
+@@ -417,7 +417,6 @@ uvc_register_video(struct uvc_device *uvc)
+ return -ENOMEM;
+
+ video->parent = &cdev->gadget->dev;
+- video->minor = -1;
+ video->fops = &uvc_v4l2_fops;
+ video->release = video_device_release;
+ strncpy(video->name, cdev->gadget->name, sizeof(video->name));
+@@ -577,23 +576,12 @@ uvc_function_unbind(struct usb_configuration *c, struct usb_function *f)
+
+ INFO(cdev, "uvc_function_unbind\n");
+
+- if (uvc->vdev) {
+- if (uvc->vdev->minor == -1)
+- video_device_release(uvc->vdev);
+- else
+- video_unregister_device(uvc->vdev);
+- uvc->vdev = NULL;
+- }
+-
+- if (uvc->control_ep)
+- uvc->control_ep->driver_data = NULL;
+- if (uvc->video.ep)
+- uvc->video.ep->driver_data = NULL;
++ video_unregister_device(uvc->vdev);
++ uvc->control_ep->driver_data = NULL;
++ uvc->video.ep->driver_data = NULL;
+
+- if (uvc->control_req) {
+- usb_ep_free_request(cdev->gadget->ep0, uvc->control_req);
+- kfree(uvc->control_buf);
+- }
++ usb_ep_free_request(cdev->gadget->ep0, uvc->control_req);
++ kfree(uvc->control_buf);
+
+ kfree(f->descriptors);
+ kfree(f->hs_descriptors);
+@@ -740,7 +728,22 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f)
+ return 0;
+
+ error:
+- uvc_function_unbind(c, f);
++ if (uvc->vdev)
++ video_device_release(uvc->vdev);
++
++ if (uvc->control_ep)
++ uvc->control_ep->driver_data = NULL;
++ if (uvc->video.ep)
++ uvc->video.ep->driver_data = NULL;
++
++ if (uvc->control_req) {
++ usb_ep_free_request(cdev->gadget->ep0, uvc->control_req);
++ kfree(uvc->control_buf);
++ }
++
++ kfree(f->descriptors);
++ kfree(f->hs_descriptors);
++ kfree(f->ss_descriptors);
+ return ret;
+ }
+
+diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
+index c788022..a5d4c41 100644
+--- a/drivers/usb/host/ehci-hub.c
++++ b/drivers/usb/host/ehci-hub.c
+@@ -623,7 +623,11 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf)
+ status = STS_PCD;
+ }
+ }
+- /* FIXME autosuspend idle root hubs */
++
++ /* If a resume is in progress, make sure it can finish */
++ if (ehci->resuming_ports)
++ mod_timer(&hcd->rh_timer, jiffies + msecs_to_jiffies(25));
++
+ spin_unlock_irqrestore (&ehci->lock, flags);
+ return status ? retval : 0;
+ }
+diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
+index d7fe287..50fcc42 100644
+--- a/drivers/usb/host/ehci-omap.c
++++ b/drivers/usb/host/ehci-omap.c
+@@ -374,7 +374,7 @@ static const struct hc_driver ehci_omap_hc_driver = {
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
+ };
+
+-MODULE_ALIAS("platform:omap-ehci");
++MODULE_ALIAS("platform:ehci-omap");
+ MODULE_AUTHOR("Texas Instruments, Inc.");
+ MODULE_AUTHOR("Felipe Balbi <felipe.balbi@nokia.com>");
+
+diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
+index 2cb7d37..f42b68e 100644
+--- a/drivers/usb/host/ehci-pci.c
++++ b/drivers/usb/host/ehci-pci.c
+@@ -334,7 +334,8 @@ static bool usb_is_intel_switchable_ehci(struct pci_dev *pdev)
+ pdev->vendor == PCI_VENDOR_ID_INTEL &&
+ (pdev->device == 0x1E26 ||
+ pdev->device == 0x8C2D ||
+- pdev->device == 0x8C26);
++ pdev->device == 0x8C26 ||
++ pdev->device == 0x9C26);
+ }
+
+ static void ehci_enable_xhci_companion(void)
+diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
+index 528a540..838e571 100644
+--- a/drivers/usb/host/ehci-sched.c
++++ b/drivers/usb/host/ehci-sched.c
+@@ -236,7 +236,7 @@ static inline unsigned char tt_start_uframe(struct ehci_hcd *ehci, __hc32 mask)
+ }
+
+ static const unsigned char
+-max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 30, 0 };
++max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 125, 25 };
+
+ /* carryover low/fullspeed bandwidth that crosses uframe boundries */
+ static inline void carryover_tt_bandwidth(unsigned short tt_usecs[8])
+diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
+index 39f9e4a..7893351 100644
+--- a/drivers/usb/host/pci-quirks.c
++++ b/drivers/usb/host/pci-quirks.c
+@@ -723,6 +723,7 @@ static int handshake(void __iomem *ptr, u32 mask, u32 done,
+ }
+
+ #define PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI 0x8C31
++#define PCI_DEVICE_ID_INTEL_LYNX_POINT_LP_XHCI 0x9C31
+
+ bool usb_is_intel_ppt_switchable_xhci(struct pci_dev *pdev)
+ {
+@@ -736,7 +737,8 @@ bool usb_is_intel_lpt_switchable_xhci(struct pci_dev *pdev)
+ {
+ return pdev->class == PCI_CLASS_SERIAL_USB_XHCI &&
+ pdev->vendor == PCI_VENDOR_ID_INTEL &&
+- pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI;
++ (pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_XHCI ||
++ pdev->device == PCI_DEVICE_ID_INTEL_LYNX_POINT_LP_XHCI);
+ }
+
+ bool usb_is_intel_switchable_xhci(struct pci_dev *pdev)
+@@ -778,6 +780,7 @@ void usb_enable_xhci_ports(struct pci_dev *xhci_pdev)
+ "defaulting to EHCI.\n");
+ dev_warn(&xhci_pdev->dev,
+ "USB 3.0 devices will work at USB 2.0 speeds.\n");
++ usb_disable_xhci_ports(xhci_pdev);
+ return;
+ }
+
+diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
+index e4db350..3fe069f 100644
+--- a/drivers/usb/host/uhci-hcd.c
++++ b/drivers/usb/host/uhci-hcd.c
+@@ -447,6 +447,10 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
+ return IRQ_NONE;
+ uhci_writew(uhci, status, USBSTS); /* Clear it */
+
++ spin_lock(&uhci->lock);
++ if (unlikely(!uhci->is_initialized)) /* not yet configured */
++ goto done;
++
+ if (status & ~(USBSTS_USBINT | USBSTS_ERROR | USBSTS_RD)) {
+ if (status & USBSTS_HSE)
+ dev_err(uhci_dev(uhci), "host system error, "
+@@ -455,7 +459,6 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
+ dev_err(uhci_dev(uhci), "host controller process "
+ "error, something bad happened!\n");
+ if (status & USBSTS_HCH) {
+- spin_lock(&uhci->lock);
+ if (uhci->rh_state >= UHCI_RH_RUNNING) {
+ dev_err(uhci_dev(uhci),
+ "host controller halted, "
+@@ -473,15 +476,15 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
+ * pending unlinks */
+ mod_timer(&hcd->rh_timer, jiffies);
+ }
+- spin_unlock(&uhci->lock);
+ }
+ }
+
+- if (status & USBSTS_RD)
++ if (status & USBSTS_RD) {
++ spin_unlock(&uhci->lock);
+ usb_hcd_poll_rh_status(hcd);
+- else {
+- spin_lock(&uhci->lock);
++ } else {
+ uhci_scan_schedule(uhci);
++ done:
+ spin_unlock(&uhci->lock);
+ }
+
+@@ -662,9 +665,9 @@ static int uhci_start(struct usb_hcd *hcd)
+ */
+ mb();
+
++ spin_lock_irq(&uhci->lock);
+ configure_hc(uhci);
+ uhci->is_initialized = 1;
+- spin_lock_irq(&uhci->lock);
+ start_rh(uhci);
+ spin_unlock_irq(&uhci->lock);
+ return 0;
+diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
+index d5eb357..abb9772 100644
+--- a/drivers/usb/host/xhci-hub.c
++++ b/drivers/usb/host/xhci-hub.c
+@@ -762,12 +762,39 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+ break;
+ case USB_PORT_FEAT_LINK_STATE:
+ temp = xhci_readl(xhci, port_array[wIndex]);
++
++ /* Disable port */
++ if (link_state == USB_SS_PORT_LS_SS_DISABLED) {
++ xhci_dbg(xhci, "Disable port %d\n", wIndex);
++ temp = xhci_port_state_to_neutral(temp);
++ /*
++ * Clear all change bits, so that we get a new
++ * connection event.
++ */
++ temp |= PORT_CSC | PORT_PEC | PORT_WRC |
++ PORT_OCC | PORT_RC | PORT_PLC |
++ PORT_CEC;
++ xhci_writel(xhci, temp | PORT_PE,
++ port_array[wIndex]);
++ temp = xhci_readl(xhci, port_array[wIndex]);
++ break;
++ }
++
++ /* Put link in RxDetect (enable port) */
++ if (link_state == USB_SS_PORT_LS_RX_DETECT) {
++ xhci_dbg(xhci, "Enable port %d\n", wIndex);
++ xhci_set_link_state(xhci, port_array, wIndex,
++ link_state);
++ temp = xhci_readl(xhci, port_array[wIndex]);
++ break;
++ }
++
+ /* Software should not attempt to set
+- * port link state above '5' (Rx.Detect) and the port
++ * port link state above '3' (U3) and the port
+ * must be enabled.
+ */
+ if ((temp & PORT_PE) == 0 ||
+- (link_state > USB_SS_PORT_LS_RX_DETECT)) {
++ (link_state > USB_SS_PORT_LS_U3)) {
+ xhci_warn(xhci, "Cannot set link state.\n");
+ goto error;
+ }
+@@ -938,6 +965,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
+ int max_ports;
+ __le32 __iomem **port_array;
+ struct xhci_bus_state *bus_state;
++ bool reset_change = false;
+
+ max_ports = xhci_get_ports(hcd, &port_array);
+ bus_state = &xhci->bus_state[hcd_index(hcd)];
+@@ -969,6 +997,12 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
+ buf[(i + 1) / 8] |= 1 << (i + 1) % 8;
+ status = 1;
+ }
++ if ((temp & PORT_RC))
++ reset_change = true;
++ }
++ if (!status && !reset_change) {
++ xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
++ clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+ }
+ spin_unlock_irqrestore(&xhci->lock, flags);
+ return status ? retval : 0;
+diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
+index 487bc08..35616ff 100644
+--- a/drivers/usb/host/xhci-mem.c
++++ b/drivers/usb/host/xhci-mem.c
+@@ -205,7 +205,12 @@ static int xhci_alloc_segments_for_ring(struct xhci_hcd *xhci,
+
+ next = xhci_segment_alloc(xhci, cycle_state, flags);
+ if (!next) {
+- xhci_free_segments_for_ring(xhci, *first);
++ prev = *first;
++ while (prev) {
++ next = prev->next;
++ xhci_segment_free(xhci, prev);
++ prev = next;
++ }
+ return -ENOMEM;
+ }
+ xhci_link_segments(xhci, prev, next, type);
+@@ -258,7 +263,7 @@ static struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci,
+ return ring;
+
+ fail:
+- xhci_ring_free(xhci, ring);
++ kfree(ring);
+ return NULL;
+ }
+
+@@ -1245,6 +1250,8 @@ static unsigned int xhci_microframes_to_exponent(struct usb_device *udev,
+ static unsigned int xhci_parse_microframe_interval(struct usb_device *udev,
+ struct usb_host_endpoint *ep)
+ {
++ if (ep->desc.bInterval == 0)
++ return 0;
+ return xhci_microframes_to_exponent(udev, ep,
+ ep->desc.bInterval, 0, 15);
+ }
+diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
+index 4f1e265..394984f7 100644
+--- a/drivers/usb/host/xhci-ring.c
++++ b/drivers/usb/host/xhci-ring.c
+@@ -1698,7 +1698,7 @@ static void handle_port_status(struct xhci_hcd *xhci,
+ faked_port_index + 1);
+ if (slot_id && xhci->devs[slot_id])
+ xhci_ring_device(xhci, slot_id);
+- if (bus_state->port_remote_wakeup && (1 << faked_port_index)) {
++ if (bus_state->port_remote_wakeup & (1 << faked_port_index)) {
+ bus_state->port_remote_wakeup &=
+ ~(1 << faked_port_index);
+ xhci_test_and_clear_bit(xhci, port_array,
+@@ -1725,6 +1725,15 @@ cleanup:
+ if (bogus_port_status)
+ return;
+
++ /*
++ * xHCI port-status-change events occur when the "or" of all the
++ * status-change bits in the portsc register changes from 0 to 1.
++ * New status changes won't cause an event if any other change
++ * bits are still set. When an event occurs, switch over to
++ * polling to avoid losing status changes.
++ */
++ xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
++ set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+ spin_unlock(&xhci->lock);
+ /* Pass this up to the core */
+ usb_hcd_poll_rh_status(hcd);
+@@ -2578,6 +2587,8 @@ cleanup:
+ (trb_comp_code != COMP_STALL &&
+ trb_comp_code != COMP_BABBLE))
+ xhci_urb_free_priv(xhci, urb_priv);
++ else
++ kfree(urb_priv);
+
+ usb_hcd_unlink_urb_from_ep(bus_to_hcd(urb->dev->bus), urb);
+ if ((urb->actual_length != urb->transfer_buffer_length &&
+@@ -3069,11 +3080,11 @@ static u32 xhci_td_remainder(unsigned int remainder)
+ }
+
+ /*
+- * For xHCI 1.0 host controllers, TD size is the number of packets remaining in
+- * the TD (*not* including this TRB).
++ * For xHCI 1.0 host controllers, TD size is the number of max packet sized
++ * packets remaining in the TD (*not* including this TRB).
+ *
+ * Total TD packet count = total_packet_count =
+- * roundup(TD size in bytes / wMaxPacketSize)
++ * DIV_ROUND_UP(TD size in bytes / wMaxPacketSize)
+ *
+ * Packets transferred up to and including this TRB = packets_transferred =
+ * rounddown(total bytes transferred including this TRB / wMaxPacketSize)
+@@ -3081,24 +3092,27 @@ static u32 xhci_td_remainder(unsigned int remainder)
+ * TD size = total_packet_count - packets_transferred
+ *
+ * It must fit in bits 21:17, so it can't be bigger than 31.
++ * The last TRB in a TD must have the TD size set to zero.
+ */
+-
+ static u32 xhci_v1_0_td_remainder(int running_total, int trb_buff_len,
+- unsigned int total_packet_count, struct urb *urb)
++ unsigned int total_packet_count, struct urb *urb,
++ unsigned int num_trbs_left)
+ {
+ int packets_transferred;
+
+ /* One TRB with a zero-length data packet. */
+- if (running_total == 0 && trb_buff_len == 0)
++ if (num_trbs_left == 0 || (running_total == 0 && trb_buff_len == 0))
+ return 0;
+
+ /* All the TRB queueing functions don't count the current TRB in
+ * running_total.
+ */
+ packets_transferred = (running_total + trb_buff_len) /
+- usb_endpoint_maxp(&urb->ep->desc);
++ GET_MAX_PACKET(usb_endpoint_maxp(&urb->ep->desc));
+
+- return xhci_td_remainder(total_packet_count - packets_transferred);
++ if ((total_packet_count - packets_transferred) > 31)
++ return 31 << 17;
++ return (total_packet_count - packets_transferred) << 17;
+ }
+
+ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
+@@ -3125,7 +3139,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
+
+ num_trbs = count_sg_trbs_needed(xhci, urb);
+ num_sgs = urb->num_mapped_sgs;
+- total_packet_count = roundup(urb->transfer_buffer_length,
++ total_packet_count = DIV_ROUND_UP(urb->transfer_buffer_length,
+ usb_endpoint_maxp(&urb->ep->desc));
+
+ trb_buff_len = prepare_transfer(xhci, xhci->devs[slot_id],
+@@ -3208,7 +3222,8 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
+ running_total);
+ } else {
+ remainder = xhci_v1_0_td_remainder(running_total,
+- trb_buff_len, total_packet_count, urb);
++ trb_buff_len, total_packet_count, urb,
++ num_trbs - 1);
+ }
+ length_field = TRB_LEN(trb_buff_len) |
+ remainder |
+@@ -3316,7 +3331,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
+ start_cycle = ep_ring->cycle_state;
+
+ running_total = 0;
+- total_packet_count = roundup(urb->transfer_buffer_length,
++ total_packet_count = DIV_ROUND_UP(urb->transfer_buffer_length,
+ usb_endpoint_maxp(&urb->ep->desc));
+ /* How much data is in the first TRB? */
+ addr = (u64) urb->transfer_dma;
+@@ -3362,7 +3377,8 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
+ running_total);
+ } else {
+ remainder = xhci_v1_0_td_remainder(running_total,
+- trb_buff_len, total_packet_count, urb);
++ trb_buff_len, total_packet_count, urb,
++ num_trbs - 1);
+ }
+ length_field = TRB_LEN(trb_buff_len) |
+ remainder |
+@@ -3625,8 +3641,9 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
+ addr = start_addr + urb->iso_frame_desc[i].offset;
+ td_len = urb->iso_frame_desc[i].length;
+ td_remain_len = td_len;
+- total_packet_count = roundup(td_len,
+- usb_endpoint_maxp(&urb->ep->desc));
++ total_packet_count = DIV_ROUND_UP(td_len,
++ GET_MAX_PACKET(
++ usb_endpoint_maxp(&urb->ep->desc)));
+ /* A zero-length transfer still involves at least one packet. */
+ if (total_packet_count == 0)
+ total_packet_count++;
+@@ -3648,9 +3665,11 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
+ td = urb_priv->td[i];
+ for (j = 0; j < trbs_per_td; j++) {
+ u32 remainder = 0;
+- field = TRB_TBC(burst_count) | TRB_TLBPC(residue);
++ field = 0;
+
+ if (first_trb) {
++ field = TRB_TBC(burst_count) |
++ TRB_TLBPC(residue);
+ /* Queue the isoc TRB */
+ field |= TRB_TYPE(TRB_ISOC);
+ /* Assume URB_ISO_ASAP is set */
+@@ -3704,7 +3723,8 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
+ } else {
+ remainder = xhci_v1_0_td_remainder(
+ running_total, trb_buff_len,
+- total_packet_count, urb);
++ total_packet_count, urb,
++ (trbs_per_td - j - 1));
+ }
+ length_field = TRB_LEN(trb_buff_len) |
+ remainder |
+diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
+index a6e910b..b6586e3 100644
+--- a/drivers/usb/host/xhci.c
++++ b/drivers/usb/host/xhci.c
+@@ -480,7 +480,7 @@ static bool compliance_mode_recovery_timer_quirk_check(void)
+ if (strstr(dmi_product_name, "Z420") ||
+ strstr(dmi_product_name, "Z620") ||
+ strstr(dmi_product_name, "Z820") ||
+- strstr(dmi_product_name, "Z1"))
++ strstr(dmi_product_name, "Z1 Workstation"))
+ return true;
+
+ return false;
+@@ -880,6 +880,11 @@ int xhci_suspend(struct xhci_hcd *xhci)
+ struct usb_hcd *hcd = xhci_to_hcd(xhci);
+ u32 command;
+
++ /* Don't poll the roothubs on bus suspend. */
++ xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
++ clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
++ del_timer_sync(&hcd->rh_timer);
++
+ spin_lock_irq(&xhci->lock);
+ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);
+@@ -1064,6 +1069,11 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
+ if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
+ compliance_mode_recovery_timer_init(xhci);
+
++ /* Re-enable port polling. */
++ xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
++ set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
++ usb_hcd_poll_rh_status(hcd);
++
+ return retval;
+ }
+ #endif /* CONFIG_PM */
+@@ -2253,7 +2263,7 @@ static bool xhci_is_async_ep(unsigned int ep_type)
+
+ static bool xhci_is_sync_in_ep(unsigned int ep_type)
+ {
+- return (ep_type == ISOC_IN_EP || ep_type != INT_IN_EP);
++ return (ep_type == ISOC_IN_EP || ep_type == INT_IN_EP);
+ }
+
+ static unsigned int xhci_get_ss_bw_consumed(struct xhci_bw_info *ep_bw)
+diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
+index 8637c1f..c5835e8 100644
+--- a/drivers/usb/musb/cppi_dma.c
++++ b/drivers/usb/musb/cppi_dma.c
+@@ -1314,6 +1314,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id)
+
+ return IRQ_HANDLED;
+ }
++EXPORT_SYMBOL_GPL(cppi_interrupt);
+
+ /* Instantiate a software object representing a DMA controller. */
+ struct dma_controller *__init
+diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
+index 26f1bef..c5630c2 100644
+--- a/drivers/usb/musb/musb_core.c
++++ b/drivers/usb/musb/musb_core.c
+@@ -2402,10 +2402,7 @@ static int __init musb_init(void)
+ if (usb_disabled())
+ return 0;
+
+- pr_info("%s: version " MUSB_VERSION ", "
+- "?dma?"
+- ", "
+- "otg (peripheral+host)",
++ pr_info("%s: version " MUSB_VERSION ", ?dma?, otg (peripheral+host)\n",
+ musb_driver_name);
+ return platform_driver_register(&musb_driver);
+ }
+diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
+index 360bdeb..1f939cb 100644
+--- a/drivers/usb/serial/ftdi_sio.c
++++ b/drivers/usb/serial/ftdi_sio.c
+@@ -590,6 +590,7 @@ static struct usb_device_id id_table_combined [] = {
+ /*
+ * ELV devices:
+ */
++ { USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
+@@ -676,6 +677,7 @@ static struct usb_device_id id_table_combined [] = {
+ { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) },
+ { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) },
+ { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) },
++ { USB_DEVICE(FTDI_VID, FTDI_OMNI1509) },
+ { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) },
+ { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) },
+@@ -881,6 +883,8 @@ static struct usb_device_id id_table_combined [] = {
+ { USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
+ .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ { USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
++ /* Crucible Devices */
++ { USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) },
+ { }, /* Optional parameter entry */
+ { } /* Terminating entry */
+ };
+@@ -1886,24 +1890,22 @@ static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
+ {
+ struct ftdi_private *priv = usb_get_serial_port_data(port);
+
+- mutex_lock(&port->serial->disc_mutex);
+- if (!port->serial->disconnected) {
+- /* Disable flow control */
+- if (!on && usb_control_msg(port->serial->dev,
++ /* Disable flow control */
++ if (!on) {
++ if (usb_control_msg(port->serial->dev,
+ usb_sndctrlpipe(port->serial->dev, 0),
+ FTDI_SIO_SET_FLOW_CTRL_REQUEST,
+ FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
+ 0, priv->interface, NULL, 0,
+ WDR_TIMEOUT) < 0) {
+- dev_err(&port->dev, "error from flowcontrol urb\n");
++ dev_err(&port->dev, "error from flowcontrol urb\n");
+ }
+- /* drop RTS and DTR */
+- if (on)
+- set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
+- else
+- clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
+ }
+- mutex_unlock(&port->serial->disc_mutex);
++ /* drop RTS and DTR */
++ if (on)
++ set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
++ else
++ clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
+ }
+
+ /*
+diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
+index 049b6e7..9d359e1 100644
+--- a/drivers/usb/serial/ftdi_sio_ids.h
++++ b/drivers/usb/serial/ftdi_sio_ids.h
+@@ -147,6 +147,11 @@
+ #define XSENS_CONVERTER_6_PID 0xD38E
+ #define XSENS_CONVERTER_7_PID 0xD38F
+
++/**
++ * Zolix (www.zolix.com.cb) product ids
++ */
++#define FTDI_OMNI1509 0xD491 /* Omni1509 embedded USB-serial */
++
+ /*
+ * NDI (www.ndigital.com) product ids
+ */
+@@ -204,7 +209,7 @@
+
+ /*
+ * ELV USB devices submitted by Christian Abt of ELV (www.elv.de).
+- * All of these devices use FTDI's vendor ID (0x0403).
++ * Almost all of these devices use FTDI's vendor ID (0x0403).
+ * Further IDs taken from ELV Windows .inf file.
+ *
+ * The previously included PID for the UO 100 module was incorrect.
+@@ -212,6 +217,8 @@
+ *
+ * Armin Laeuger originally sent the PID for the UM 100 module.
+ */
++#define FTDI_ELV_VID 0x1B1F /* ELV AG */
++#define FTDI_ELV_WS300_PID 0xC006 /* eQ3 WS 300 PC II */
+ #define FTDI_ELV_USR_PID 0xE000 /* ELV Universal-Sound-Recorder */
+ #define FTDI_ELV_MSM1_PID 0xE001 /* ELV Mini-Sound-Modul */
+ #define FTDI_ELV_KL100_PID 0xE002 /* ELV Kfz-Leistungsmesser KL 100 */
+@@ -1259,3 +1266,9 @@
+ * ATI command output: Cinterion MC55i
+ */
+ #define FTDI_CINTERION_MC55I_PID 0xA951
++
++/*
++ * Product: Comet Caller ID decoder
++ * Manufacturer: Crucible Technologies
++ */
++#define FTDI_CT_COMET_PID 0x8e08
+diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
+index c088250..7e4ef87 100644
+--- a/drivers/usb/serial/mct_u232.c
++++ b/drivers/usb/serial/mct_u232.c
+@@ -507,19 +507,15 @@ static void mct_u232_dtr_rts(struct usb_serial_port *port, int on)
+ unsigned int control_state;
+ struct mct_u232_private *priv = usb_get_serial_port_data(port);
+
+- mutex_lock(&port->serial->disc_mutex);
+- if (!port->serial->disconnected) {
+- /* drop DTR and RTS */
+- spin_lock_irq(&priv->lock);
+- if (on)
+- priv->control_state |= TIOCM_DTR | TIOCM_RTS;
+- else
+- priv->control_state &= ~(TIOCM_DTR | TIOCM_RTS);
+- control_state = priv->control_state;
+- spin_unlock_irq(&priv->lock);
+- mct_u232_set_modem_ctrl(port->serial, control_state);
+- }
+- mutex_unlock(&port->serial->disc_mutex);
++ spin_lock_irq(&priv->lock);
++ if (on)
++ priv->control_state |= TIOCM_DTR | TIOCM_RTS;
++ else
++ priv->control_state &= ~(TIOCM_DTR | TIOCM_RTS);
++ control_state = priv->control_state;
++ spin_unlock_irq(&priv->lock);
++
++ mct_u232_set_modem_ctrl(port, control_state);
+ }
+
+ static void mct_u232_close(struct usb_serial_port *port)
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index 56fed62..b8f2e3b 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -243,6 +243,7 @@ static void option_instat_callback(struct urb *urb);
+ #define TELIT_PRODUCT_CC864_DUAL 0x1005
+ #define TELIT_PRODUCT_CC864_SINGLE 0x1006
+ #define TELIT_PRODUCT_DE910_DUAL 0x1010
++#define TELIT_PRODUCT_LE920 0x1200
+
+ /* ZTE PRODUCTS */
+ #define ZTE_VENDOR_ID 0x19d2
+@@ -289,6 +290,7 @@ static void option_instat_callback(struct urb *urb);
+ #define ALCATEL_VENDOR_ID 0x1bbb
+ #define ALCATEL_PRODUCT_X060S_X200 0x0000
+ #define ALCATEL_PRODUCT_X220_X500D 0x0017
++#define ALCATEL_PRODUCT_L100V 0x011e
+
+ #define PIRELLI_VENDOR_ID 0x1266
+ #define PIRELLI_PRODUCT_C100_1 0x1002
+@@ -430,9 +432,12 @@ static void option_instat_callback(struct urb *urb);
+ #define MEDIATEK_VENDOR_ID 0x0e8d
+ #define MEDIATEK_PRODUCT_DC_1COM 0x00a0
+ #define MEDIATEK_PRODUCT_DC_4COM 0x00a5
++#define MEDIATEK_PRODUCT_DC_4COM2 0x00a7
+ #define MEDIATEK_PRODUCT_DC_5COM 0x00a4
+ #define MEDIATEK_PRODUCT_7208_1COM 0x7101
+ #define MEDIATEK_PRODUCT_7208_2COM 0x7102
++#define MEDIATEK_PRODUCT_7103_2COM 0x7103
++#define MEDIATEK_PRODUCT_7106_2COM 0x7106
+ #define MEDIATEK_PRODUCT_FP_1COM 0x0003
+ #define MEDIATEK_PRODUCT_FP_2COM 0x0023
+ #define MEDIATEK_PRODUCT_FPDC_1COM 0x0043
+@@ -442,6 +447,18 @@ static void option_instat_callback(struct urb *urb);
+ #define CELLIENT_VENDOR_ID 0x2692
+ #define CELLIENT_PRODUCT_MEN200 0x9005
+
++/* Hyundai Petatel Inc. products */
++#define PETATEL_VENDOR_ID 0x1ff4
++#define PETATEL_PRODUCT_NP10T 0x600e
++
++/* TP-LINK Incorporated products */
++#define TPLINK_VENDOR_ID 0x2357
++#define TPLINK_PRODUCT_MA180 0x0201
++
++/* Changhong products */
++#define CHANGHONG_VENDOR_ID 0x2077
++#define CHANGHONG_PRODUCT_CH690 0x7001
++
+ /* some devices interfaces need special handling due to a number of reasons */
+ enum option_blacklist_reason {
+ OPTION_BLACKLIST_NONE = 0,
+@@ -463,6 +480,7 @@ static const struct option_blacklist_info four_g_w14_blacklist = {
+
+ static const struct option_blacklist_info alcatel_x200_blacklist = {
+ .sendsetup = BIT(0) | BIT(1),
++ .reserved = BIT(4),
+ };
+
+ static const struct option_blacklist_info zte_0037_blacklist = {
+@@ -523,6 +541,11 @@ static const struct option_blacklist_info zte_1255_blacklist = {
+ .reserved = BIT(3) | BIT(4),
+ };
+
++static const struct option_blacklist_info telit_le920_blacklist = {
++ .sendsetup = BIT(0),
++ .reserved = BIT(1) | BIT(5),
++};
++
+ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
+ { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
+@@ -554,8 +577,14 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLX) },
+ { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GKE) },
+ { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLE) },
++ { USB_DEVICE(QUANTA_VENDOR_ID, 0xea42),
++ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
++ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c05, USB_CLASS_COMM, 0x02, 0xff) },
++ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t) &net_intf1_blacklist },
++ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1441, USB_CLASS_COMM, 0x02, 0xff) },
++ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1442, USB_CLASS_COMM, 0x02, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff),
+@@ -773,6 +802,8 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_DUAL) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) },
+ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) },
++ { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920),
++ .driver_info = (kernel_ulong_t)&telit_le920_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&net_intf1_blacklist },
+@@ -923,8 +954,10 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0254, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0257, 0xff, 0xff, 0xff), /* ZTE MF821 */
+ .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
+- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff) },
+- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff) },
++ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff), /* ONDA MT8205 */
++ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
++ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff), /* ZTE MF880 */
++ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0317, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0326, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+@@ -1190,7 +1223,16 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200),
+ .driver_info = (kernel_ulong_t)&alcatel_x200_blacklist
+ },
+- { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D) },
++ { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D),
++ .driver_info = (kernel_ulong_t)&net_intf6_blacklist },
++ { USB_DEVICE(ALCATEL_VENDOR_ID, 0x0052),
++ .driver_info = (kernel_ulong_t)&net_intf6_blacklist },
++ { USB_DEVICE(ALCATEL_VENDOR_ID, 0x00b6),
++ .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
++ { USB_DEVICE(ALCATEL_VENDOR_ID, 0x00b7),
++ .driver_info = (kernel_ulong_t)&net_intf5_blacklist },
++ { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L100V),
++ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
+ { USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
+@@ -1295,7 +1337,15 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FP_2COM, 0x0a, 0x00, 0x00) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_1COM, 0x0a, 0x00, 0x00) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_2COM, 0x0a, 0x00, 0x00) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7103_2COM, 0xff, 0x00, 0x00) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7106_2COM, 0x02, 0x02, 0x01) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x02, 0x01) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) },
+ { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
++ { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T) },
++ { USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180),
++ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
++ { USB_DEVICE(CHANGHONG_VENDOR_ID, CHANGHONG_PRODUCT_CH690) },
+ { } /* Terminating entry */
+ };
+ MODULE_DEVICE_TABLE(usb, option_ids);
+diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
+index 93232ca..071b529 100644
+--- a/drivers/usb/serial/qcserial.c
++++ b/drivers/usb/serial/qcserial.c
+@@ -55,6 +55,7 @@ static const struct usb_device_id id_table[] = {
+ {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */
+ {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */
+ {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */
++ {DEVICE_G1K(0x1bc7, 0x900e)}, /* Telit Gobi QDL device */
+
+ /* Gobi 2000 devices */
+ {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */
+diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
+index ea69301..cf50c43 100644
+--- a/drivers/usb/serial/quatech2.c
++++ b/drivers/usb/serial/quatech2.c
+@@ -949,19 +949,17 @@ static void qt2_dtr_rts(struct usb_serial_port *port, int on)
+ struct usb_device *dev = port->serial->dev;
+ struct qt2_port_private *port_priv = usb_get_serial_port_data(port);
+
+- mutex_lock(&port->serial->disc_mutex);
+- if (!port->serial->disconnected) {
+- /* Disable flow control */
+- if (!on && qt2_setregister(dev, port_priv->device_port,
++ /* Disable flow control */
++ if (!on) {
++ if (qt2_setregister(dev, port_priv->device_port,
+ UART_MCR, 0) < 0)
+ dev_warn(&port->dev, "error from flowcontrol urb\n");
+- /* drop RTS and DTR */
+- if (on)
+- update_mctrl(port_priv, TIOCM_DTR | TIOCM_RTS, 0);
+- else
+- update_mctrl(port_priv, 0, TIOCM_DTR | TIOCM_RTS);
+ }
+- mutex_unlock(&port->serial->disc_mutex);
++ /* drop RTS and DTR */
++ if (on)
++ update_mctrl(port_priv, TIOCM_DTR | TIOCM_RTS, 0);
++ else
++ update_mctrl(port_priv, 0, TIOCM_DTR | TIOCM_RTS);
+ }
+
+ static void qt2_update_msr(struct usb_serial_port *port, unsigned char *ch)
+diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
+index cf6d149..7d43f69 100644
+--- a/drivers/usb/serial/sierra.c
++++ b/drivers/usb/serial/sierra.c
+@@ -863,19 +863,13 @@ static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port)
+
+ static void sierra_dtr_rts(struct usb_serial_port *port, int on)
+ {
+- struct usb_serial *serial = port->serial;
+ struct sierra_port_private *portdata;
+
+ portdata = usb_get_serial_port_data(port);
+ portdata->rts_state = on;
+ portdata->dtr_state = on;
+
+- if (serial->dev) {
+- mutex_lock(&serial->disc_mutex);
+- if (!serial->disconnected)
+- sierra_send_setup(port);
+- mutex_unlock(&serial->disc_mutex);
+- }
++ sierra_send_setup(port);
+ }
+
+ static int sierra_startup(struct usb_serial *serial)
+diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
+index fe3a8a0..9a13ea2 100644
+--- a/drivers/usb/serial/ssu100.c
++++ b/drivers/usb/serial/ssu100.c
+@@ -510,19 +510,16 @@ static void ssu100_dtr_rts(struct usb_serial_port *port, int on)
+ {
+ struct usb_device *dev = port->serial->dev;
+
+- mutex_lock(&port->serial->disc_mutex);
+- if (!port->serial->disconnected) {
+- /* Disable flow control */
+- if (!on &&
+- ssu100_setregister(dev, 0, UART_MCR, 0) < 0)
++ /* Disable flow control */
++ if (!on) {
++ if (ssu100_setregister(dev, 0, UART_MCR, 0) < 0)
+ dev_err(&port->dev, "error from flowcontrol urb\n");
+- /* drop RTS and DTR */
+- if (on)
+- set_mctrl(dev, TIOCM_DTR | TIOCM_RTS);
+- else
+- clear_mctrl(dev, TIOCM_DTR | TIOCM_RTS);
+ }
+- mutex_unlock(&port->serial->disc_mutex);
++ /* drop RTS and DTR */
++ if (on)
++ set_mctrl(dev, TIOCM_DTR | TIOCM_RTS);
++ else
++ clear_mctrl(dev, TIOCM_DTR | TIOCM_RTS);
+ }
+
+ static void ssu100_update_msr(struct usb_serial_port *port, u8 msr)
+diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
+index 667c39c..771adbd 100644
+--- a/drivers/usb/serial/usb-serial.c
++++ b/drivers/usb/serial/usb-serial.c
+@@ -688,10 +688,20 @@ static int serial_carrier_raised(struct tty_port *port)
+ static void serial_dtr_rts(struct tty_port *port, int on)
+ {
+ struct usb_serial_port *p = container_of(port, struct usb_serial_port, port);
+- struct usb_serial_driver *drv = p->serial->type;
++ struct usb_serial *serial = p->serial;
++ struct usb_serial_driver *drv = serial->type;
+
+- if (drv->dtr_rts)
++ if (!drv->dtr_rts)
++ return;
++ /*
++ * Work-around bug in the tty-layer which can result in dtr_rts
++ * being called after a disconnect (and tty_unregister_device
++ * has returned). Remove once bug has been squashed.
++ */
++ mutex_lock(&serial->disc_mutex);
++ if (!serial->disconnected)
+ drv->dtr_rts(p, on);
++ mutex_unlock(&serial->disc_mutex);
+ }
+
+ static const struct tty_port_operations serial_port_ops = {
+diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
+index 188b5b3..e9031a4 100644
+--- a/drivers/usb/serial/usb_wwan.c
++++ b/drivers/usb/serial/usb_wwan.c
+@@ -41,7 +41,6 @@ static bool debug;
+
+ void usb_wwan_dtr_rts(struct usb_serial_port *port, int on)
+ {
+- struct usb_serial *serial = port->serial;
+ struct usb_wwan_port_private *portdata;
+ struct usb_wwan_intf_private *intfdata;
+
+@@ -51,12 +50,11 @@ void usb_wwan_dtr_rts(struct usb_serial_port *port, int on)
+ return;
+
+ portdata = usb_get_serial_port_data(port);
+- mutex_lock(&serial->disc_mutex);
++ /* FIXME: locking */
+ portdata->rts_state = on;
+ portdata->dtr_state = on;
+- if (serial->dev)
+- intfdata->send_setup(port);
+- mutex_unlock(&serial->disc_mutex);
++
++ intfdata->send_setup(port);
+ }
+ EXPORT_SYMBOL(usb_wwan_dtr_rts);
+
+diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c
+index 105d900..7ab9046 100644
+--- a/drivers/usb/storage/initializers.c
++++ b/drivers/usb/storage/initializers.c
+@@ -92,8 +92,8 @@ int usb_stor_ucr61s2b_init(struct us_data *us)
+ return 0;
+ }
+
+-/* This places the HUAWEI E220 devices in multi-port mode */
+-int usb_stor_huawei_e220_init(struct us_data *us)
++/* This places the HUAWEI usb dongles in multi-port mode */
++static int usb_stor_huawei_feature_init(struct us_data *us)
+ {
+ int result;
+
+@@ -104,3 +104,75 @@ int usb_stor_huawei_e220_init(struct us_data *us)
+ US_DEBUGP("Huawei mode set result is %d\n", result);
+ return 0;
+ }
++
++/*
++ * It will send a scsi switch command called rewind' to huawei dongle.
++ * When the dongle receives this command at the first time,
++ * it will reboot immediately. After rebooted, it will ignore this command.
++ * So it is unnecessary to read its response.
++ */
++static int usb_stor_huawei_scsi_init(struct us_data *us)
++{
++ int result = 0;
++ int act_len = 0;
++ struct bulk_cb_wrap *bcbw = (struct bulk_cb_wrap *) us->iobuf;
++ char rewind_cmd[] = {0x11, 0x06, 0x20, 0x00, 0x00, 0x01, 0x01, 0x00,
++ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
++
++ bcbw->Signature = cpu_to_le32(US_BULK_CB_SIGN);
++ bcbw->Tag = 0;
++ bcbw->DataTransferLength = 0;
++ bcbw->Flags = bcbw->Lun = 0;
++ bcbw->Length = sizeof(rewind_cmd);
++ memset(bcbw->CDB, 0, sizeof(bcbw->CDB));
++ memcpy(bcbw->CDB, rewind_cmd, sizeof(rewind_cmd));
++
++ result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, bcbw,
++ US_BULK_CB_WRAP_LEN, &act_len);
++ US_DEBUGP("transfer actual length=%d, result=%d\n", act_len, result);
++ return result;
++}
++
++/*
++ * It tries to find the supported Huawei USB dongles.
++ * In Huawei, they assign the following product IDs
++ * for all of their mobile broadband dongles,
++ * including the new dongles in the future.
++ * So if the product ID is not included in this list,
++ * it means it is not Huawei's mobile broadband dongles.
++ */
++static int usb_stor_huawei_dongles_pid(struct us_data *us)
++{
++ struct usb_interface_descriptor *idesc;
++ int idProduct;
++
++ idesc = &us->pusb_intf->cur_altsetting->desc;
++ idProduct = le16_to_cpu(us->pusb_dev->descriptor.idProduct);
++ /* The first port is CDROM,
++ * means the dongle in the single port mode,
++ * and a switch command is required to be sent. */
++ if (idesc && idesc->bInterfaceNumber == 0) {
++ if ((idProduct == 0x1001)
++ || (idProduct == 0x1003)
++ || (idProduct == 0x1004)
++ || (idProduct >= 0x1401 && idProduct <= 0x1500)
++ || (idProduct >= 0x1505 && idProduct <= 0x1600)
++ || (idProduct >= 0x1c02 && idProduct <= 0x2202)) {
++ return 1;
++ }
++ }
++ return 0;
++}
++
++int usb_stor_huawei_init(struct us_data *us)
++{
++ int result = 0;
++
++ if (usb_stor_huawei_dongles_pid(us)) {
++ if (le16_to_cpu(us->pusb_dev->descriptor.idProduct) >= 0x1446)
++ result = usb_stor_huawei_scsi_init(us);
++ else
++ result = usb_stor_huawei_feature_init(us);
++ }
++ return result;
++}
+diff --git a/drivers/usb/storage/initializers.h b/drivers/usb/storage/initializers.h
+index 529327f..5376d4f 100644
+--- a/drivers/usb/storage/initializers.h
++++ b/drivers/usb/storage/initializers.h
+@@ -46,5 +46,5 @@ int usb_stor_euscsi_init(struct us_data *us);
+ * flash reader */
+ int usb_stor_ucr61s2b_init(struct us_data *us);
+
+-/* This places the HUAWEI E220 devices in multi-port mode */
+-int usb_stor_huawei_e220_init(struct us_data *us);
++/* This places the HUAWEI usb dongles in multi-port mode */
++int usb_stor_huawei_init(struct us_data *us);
+diff --git a/drivers/usb/storage/unusual_cypress.h b/drivers/usb/storage/unusual_cypress.h
+index 2c85530..65a6a75 100644
+--- a/drivers/usb/storage/unusual_cypress.h
++++ b/drivers/usb/storage/unusual_cypress.h
+@@ -31,7 +31,7 @@ UNUSUAL_DEV( 0x04b4, 0x6831, 0x0000, 0x9999,
+ "Cypress ISD-300LP",
+ USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0),
+
+-UNUSUAL_DEV( 0x14cd, 0x6116, 0x0000, 0x9999,
++UNUSUAL_DEV( 0x14cd, 0x6116, 0x0000, 0x0219,
+ "Super Top",
+ "USB 2.0 SATA BRIDGE",
+ USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0),
+diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
+index 8f98c9a..3be55cf 100644
+--- a/drivers/usb/storage/unusual_devs.h
++++ b/drivers/usb/storage/unusual_devs.h
+@@ -1527,335 +1527,10 @@ UNUSUAL_DEV( 0x1210, 0x0003, 0x0100, 0x0100,
+ /* Reported by fangxiaozhi <huananhu@huawei.com>
+ * This brings the HUAWEI data card devices into multi-port mode
+ */
+-UNUSUAL_DEV( 0x12d1, 0x1001, 0x0000, 0x0000,
++UNUSUAL_VENDOR_INTF(0x12d1, 0x08, 0x06, 0x50,
+ "HUAWEI MOBILE",
+ "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1003, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1004, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1401, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1402, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1403, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1404, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1405, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1406, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1407, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1408, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1409, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x140A, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x140B, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x140C, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x140D, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x140E, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x140F, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1410, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1411, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1412, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1413, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1414, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1415, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1416, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1417, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1418, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1419, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x141A, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x141B, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x141C, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x141D, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x141E, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x141F, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1420, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1421, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1422, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1423, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1424, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1425, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1426, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1427, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1428, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1429, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x142A, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x142B, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x142C, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x142D, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x142E, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x142F, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1430, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1431, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1432, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1433, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1434, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1435, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1436, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1437, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1438, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x1439, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x143A, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x143B, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x143C, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x143D, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x143E, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
+- 0),
+-UNUSUAL_DEV( 0x12d1, 0x143F, 0x0000, 0x0000,
+- "HUAWEI MOBILE",
+- "Mass Storage",
+- USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init,
++ USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_init,
+ 0),
+
+ /* Reported by Vilius Bilinkevicius <vilisas AT xxx DOT lt) */
+diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
+index d012fe4..c34373e 100644
+--- a/drivers/usb/storage/usb.c
++++ b/drivers/usb/storage/usb.c
+@@ -120,6 +120,17 @@ MODULE_PARM_DESC(quirks, "supplemental list of device IDs and their quirks");
+ .useTransport = use_transport, \
+ }
+
++#define UNUSUAL_VENDOR_INTF(idVendor, cl, sc, pr, \
++ vendor_name, product_name, use_protocol, use_transport, \
++ init_function, Flags) \
++{ \
++ .vendorName = vendor_name, \
++ .productName = product_name, \
++ .useProtocol = use_protocol, \
++ .useTransport = use_transport, \
++ .initFunction = init_function, \
++}
++
+ static struct us_unusual_dev us_unusual_dev_list[] = {
+ # include "unusual_devs.h"
+ { } /* Terminating entry */
+@@ -131,6 +142,7 @@ static struct us_unusual_dev for_dynamic_ids =
+ #undef UNUSUAL_DEV
+ #undef COMPLIANT_DEV
+ #undef USUAL_DEV
++#undef UNUSUAL_VENDOR_INTF
+
+ #ifdef CONFIG_LOCKDEP
+
+diff --git a/drivers/usb/storage/usual-tables.c b/drivers/usb/storage/usual-tables.c
+index b969279..a9b5f2e 100644
+--- a/drivers/usb/storage/usual-tables.c
++++ b/drivers/usb/storage/usual-tables.c
+@@ -46,6 +46,20 @@
+ { USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans), \
+ .driver_info = ((useType)<<24) }
+
++/* Define the device is matched with Vendor ID and interface descriptors */
++#define UNUSUAL_VENDOR_INTF(id_vendor, cl, sc, pr, \
++ vendorName, productName, useProtocol, useTransport, \
++ initFunction, flags) \
++{ \
++ .match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
++ | USB_DEVICE_ID_MATCH_VENDOR, \
++ .idVendor = (id_vendor), \
++ .bInterfaceClass = (cl), \
++ .bInterfaceSubClass = (sc), \
++ .bInterfaceProtocol = (pr), \
++ .driver_info = (flags) \
++}
++
+ struct usb_device_id usb_storage_usb_ids[] = {
+ # include "unusual_devs.h"
+ { } /* Terminating entry */
+@@ -57,6 +71,7 @@ MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids);
+ #undef UNUSUAL_DEV
+ #undef COMPLIANT_DEV
+ #undef USUAL_DEV
++#undef UNUSUAL_VENDOR_INTF
+
+
+ /*
+diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
+index ef82a0d..fd38945 100644
+--- a/drivers/vhost/vhost.c
++++ b/drivers/vhost/vhost.c
+@@ -1076,7 +1076,7 @@ static int translate_desc(struct vhost_dev *dev, u64 addr, u32 len,
+ }
+ _iov = iov + ret;
+ size = reg->memory_size - addr + reg->guest_phys_addr;
+- _iov->iov_len = min((u64)len, size);
++ _iov->iov_len = min((u64)len - s, size);
+ _iov->iov_base = (void __user *)(unsigned long)
+ (reg->userspace_addr + addr - reg->guest_phys_addr);
+ s += size;
+diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c
+index 77d1fdb..716daaa 100644
+--- a/drivers/video/backlight/adp8860_bl.c
++++ b/drivers/video/backlight/adp8860_bl.c
+@@ -783,7 +783,7 @@ static int adp8860_i2c_suspend(struct i2c_client *client, pm_message_t message)
+
+ static int adp8860_i2c_resume(struct i2c_client *client)
+ {
+- adp8860_set_bits(client, ADP8860_MDCR, NSTBY);
++ adp8860_set_bits(client, ADP8860_MDCR, NSTBY | BLEN);
+
+ return 0;
+ }
+diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c
+index edf7f91..f58a189 100644
+--- a/drivers/video/backlight/adp8870_bl.c
++++ b/drivers/video/backlight/adp8870_bl.c
+@@ -957,7 +957,7 @@ static int adp8870_i2c_suspend(struct i2c_client *client, pm_message_t message)
+
+ static int adp8870_i2c_resume(struct i2c_client *client)
+ {
+- adp8870_set_bits(client, ADP8870_MDCR, NSTBY);
++ adp8870_set_bits(client, ADP8870_MDCR, NSTBY | BLEN);
+
+ return 0;
+ }
+diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
+index fdefa8f..0d4c192 100644
+--- a/drivers/video/console/fbcon.c
++++ b/drivers/video/console/fbcon.c
+@@ -529,6 +529,33 @@ static int search_for_mapped_con(void)
+ return retval;
+ }
+
++static int do_fbcon_takeover(int show_logo)
++{
++ int err, i;
++
++ if (!num_registered_fb)
++ return -ENODEV;
++
++ if (!show_logo)
++ logo_shown = FBCON_LOGO_DONTSHOW;
++
++ for (i = first_fb_vc; i <= last_fb_vc; i++)
++ con2fb_map[i] = info_idx;
++
++ err = do_take_over_console(&fb_con, first_fb_vc, last_fb_vc,
++ fbcon_is_default);
++
++ if (err) {
++ for (i = first_fb_vc; i <= last_fb_vc; i++)
++ con2fb_map[i] = -1;
++ info_idx = -1;
++ } else {
++ fbcon_has_console_bind = 1;
++ }
++
++ return err;
++}
++
+ static int fbcon_takeover(int show_logo)
+ {
+ int err, i;
+@@ -990,7 +1017,7 @@ static const char *fbcon_startup(void)
+ }
+
+ /* Setup default font */
+- if (!p->fontdata) {
++ if (!p->fontdata && !vc->vc_font.data) {
+ if (!fontname[0] || !(font = find_font(fontname)))
+ font = get_default_font(info->var.xres,
+ info->var.yres,
+@@ -1000,6 +1027,8 @@ static const char *fbcon_startup(void)
+ vc->vc_font.height = font->height;
+ vc->vc_font.data = (void *)(p->fontdata = font->data);
+ vc->vc_font.charcount = 256; /* FIXME Need to support more fonts */
++ } else {
++ p->fontdata = vc->vc_font.data;
+ }
+
+ cols = FBCON_SWAP(ops->rotate, info->var.xres, info->var.yres);
+@@ -1159,9 +1188,9 @@ static void fbcon_init(struct vc_data *vc, int init)
+ ops->p = &fb_display[fg_console];
+ }
+
+-static void fbcon_free_font(struct display *p)
++static void fbcon_free_font(struct display *p, bool freefont)
+ {
+- if (p->userfont && p->fontdata && (--REFCOUNT(p->fontdata) == 0))
++ if (freefont && p->userfont && p->fontdata && (--REFCOUNT(p->fontdata) == 0))
+ kfree(p->fontdata - FONT_EXTRA_WORDS * sizeof(int));
+ p->fontdata = NULL;
+ p->userfont = 0;
+@@ -1173,8 +1202,8 @@ static void fbcon_deinit(struct vc_data *vc)
+ struct fb_info *info;
+ struct fbcon_ops *ops;
+ int idx;
++ bool free_font = true;
+
+- fbcon_free_font(p);
+ idx = con2fb_map[vc->vc_num];
+
+ if (idx == -1)
+@@ -1185,6 +1214,8 @@ static void fbcon_deinit(struct vc_data *vc)
+ if (!info)
+ goto finished;
+
++ if (info->flags & FBINFO_MISC_FIRMWARE)
++ free_font = false;
+ ops = info->fbcon_par;
+
+ if (!ops)
+@@ -1196,6 +1227,8 @@ static void fbcon_deinit(struct vc_data *vc)
+ ops->flags &= ~FBCON_FLAGS_INIT;
+ finished:
+
++ fbcon_free_font(p, free_font);
++
+ if (!con_is_bound(&fb_con))
+ fbcon_exit();
+
+@@ -2977,7 +3010,7 @@ static int fbcon_unbind(void)
+ {
+ int ret;
+
+- ret = unbind_con_driver(&fb_con, first_fb_vc, last_fb_vc,
++ ret = do_unbind_con_driver(&fb_con, first_fb_vc, last_fb_vc,
+ fbcon_is_default);
+
+ if (!ret)
+@@ -3050,7 +3083,7 @@ static int fbcon_fb_unregistered(struct fb_info *info)
+ primary_device = -1;
+
+ if (!num_registered_fb)
+- unregister_con_driver(&fb_con);
++ do_unregister_con_driver(&fb_con);
+
+ return 0;
+ }
+@@ -3115,7 +3148,7 @@ static int fbcon_fb_registered(struct fb_info *info)
+ }
+
+ if (info_idx != -1)
+- ret = fbcon_takeover(1);
++ ret = do_fbcon_takeover(1);
+ } else {
+ for (i = first_fb_vc; i <= last_fb_vc; i++) {
+ if (con2fb_map_boot[i] == idx)
+diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
+index d449a74..5855d17 100644
+--- a/drivers/video/console/vgacon.c
++++ b/drivers/video/console/vgacon.c
+@@ -1064,7 +1064,7 @@ static int vgacon_do_font_op(struct vgastate *state,char *arg,int set,int ch512)
+ unsigned short video_port_status = vga_video_port_reg + 6;
+ int font_select = 0x00, beg, i;
+ char *charmap;
+-
++ bool clear_attribs = false;
+ if (vga_video_type != VIDEO_TYPE_EGAM) {
+ charmap = (char *) VGA_MAP_MEM(colourmap, 0);
+ beg = 0x0e;
+@@ -1169,12 +1169,6 @@ static int vgacon_do_font_op(struct vgastate *state,char *arg,int set,int ch512)
+
+ /* if 512 char mode is already enabled don't re-enable it. */
+ if ((set) && (ch512 != vga_512_chars)) {
+- /* attribute controller */
+- for (i = 0; i < MAX_NR_CONSOLES; i++) {
+- struct vc_data *c = vc_cons[i].d;
+- if (c && c->vc_sw == &vga_con)
+- c->vc_hi_font_mask = ch512 ? 0x0800 : 0;
+- }
+ vga_512_chars = ch512;
+ /* 256-char: enable intensity bit
+ 512-char: disable intensity bit */
+@@ -1185,8 +1179,22 @@ static int vgacon_do_font_op(struct vgastate *state,char *arg,int set,int ch512)
+ it means, but it works, and it appears necessary */
+ inb_p(video_port_status);
+ vga_wattr(state->vgabase, VGA_AR_ENABLE_DISPLAY, 0);
++ clear_attribs = true;
+ }
+ raw_spin_unlock_irq(&vga_lock);
++
++ if (clear_attribs) {
++ for (i = 0; i < MAX_NR_CONSOLES; i++) {
++ struct vc_data *c = vc_cons[i].d;
++ if (c && c->vc_sw == &vga_con) {
++ /* force hi font mask to 0, so we always clear
++ the bit on either transition */
++ c->vc_hi_font_mask = 0x00;
++ clear_buffer_attributes(c);
++ c->vc_hi_font_mask = ch512 ? 0x0800 : 0;
++ }
++ }
++ }
+ return 0;
+ }
+
+diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
+index 0dff12a..afa804f 100644
+--- a/drivers/video/fbmem.c
++++ b/drivers/video/fbmem.c
+@@ -1651,7 +1651,9 @@ static int do_register_framebuffer(struct fb_info *fb_info)
+ event.info = fb_info;
+ if (!lock_fb_info(fb_info))
+ return -ENODEV;
++ console_lock();
+ fb_notifier_call_chain(FB_EVENT_FB_REGISTERED, &event);
++ console_unlock();
+ unlock_fb_info(fb_info);
+ return 0;
+ }
+@@ -1667,8 +1669,10 @@ static int do_unregister_framebuffer(struct fb_info *fb_info)
+
+ if (!lock_fb_info(fb_info))
+ return -ENODEV;
++ console_lock();
+ event.info = fb_info;
+ ret = fb_notifier_call_chain(FB_EVENT_FB_UNBIND, &event);
++ console_unlock();
+ unlock_fb_info(fb_info);
+
+ if (ret)
+@@ -1683,7 +1687,9 @@ static int do_unregister_framebuffer(struct fb_info *fb_info)
+ num_registered_fb--;
+ fb_cleanup_device(fb_info);
+ event.info = fb_info;
++ console_lock();
+ fb_notifier_call_chain(FB_EVENT_FB_UNREGISTERED, &event);
++ console_unlock();
+
+ /* this may free fb info */
+ put_fb_info(fb_info);
+@@ -1854,11 +1860,8 @@ int fb_new_modelist(struct fb_info *info)
+ err = 1;
+
+ if (!list_empty(&info->modelist)) {
+- if (!lock_fb_info(info))
+- return -ENODEV;
+ event.info = info;
+ err = fb_notifier_call_chain(FB_EVENT_NEW_MODELIST, &event);
+- unlock_fb_info(info);
+ }
+
+ return err;
+diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c
+index a55e366..ef476b0 100644
+--- a/drivers/video/fbsysfs.c
++++ b/drivers/video/fbsysfs.c
+@@ -177,6 +177,8 @@ static ssize_t store_modes(struct device *device,
+ if (i * sizeof(struct fb_videomode) != count)
+ return -EINVAL;
+
++ if (!lock_fb_info(fb_info))
++ return -ENODEV;
+ console_lock();
+ list_splice(&fb_info->modelist, &old_list);
+ fb_videomode_to_modelist((const struct fb_videomode *)buf, i,
+@@ -188,6 +190,7 @@ static ssize_t store_modes(struct device *device,
+ fb_destroy_modelist(&old_list);
+
+ console_unlock();
++ unlock_fb_info(fb_info);
+
+ return 0;
+ }
+diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
+index 458c006..dbce2da 100644
+--- a/drivers/video/fsl-diu-fb.c
++++ b/drivers/video/fsl-diu-fb.c
+@@ -922,7 +922,7 @@ static u32 fsl_diu_get_pixel_format(unsigned int bits_per_pixel)
+ #define PF_COMP_0_MASK 0x0000000F
+ #define PF_COMP_0_SHIFT 0
+
+-#define MAKE_PF(alpha, red, blue, green, size, c0, c1, c2, c3) \
++#define MAKE_PF(alpha, red, green, blue, size, c0, c1, c2, c3) \
+ cpu_to_le32(PF_BYTE_F | (alpha << PF_ALPHA_C_SHIFT) | \
+ (blue << PF_BLUE_C_SHIFT) | (green << PF_GREEN_C_SHIFT) | \
+ (red << PF_RED_C_SHIFT) | (c3 << PF_COMP_3_SHIFT) | \
+@@ -932,10 +932,10 @@ static u32 fsl_diu_get_pixel_format(unsigned int bits_per_pixel)
+ switch (bits_per_pixel) {
+ case 32:
+ /* 0x88883316 */
+- return MAKE_PF(3, 2, 0, 1, 3, 8, 8, 8, 8);
++ return MAKE_PF(3, 2, 1, 0, 3, 8, 8, 8, 8);
+ case 24:
+ /* 0x88082219 */
+- return MAKE_PF(4, 0, 1, 2, 2, 0, 8, 8, 8);
++ return MAKE_PF(4, 0, 1, 2, 2, 8, 8, 8, 0);
+ case 16:
+ /* 0x65053118 */
+ return MAKE_PF(4, 2, 1, 0, 1, 5, 6, 5, 0);
+diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
+index 49619b4..f2a49ef 100644
+--- a/drivers/video/mxsfb.c
++++ b/drivers/video/mxsfb.c
+@@ -369,7 +369,8 @@ static void mxsfb_disable_controller(struct fb_info *fb_info)
+ loop--;
+ }
+
+- writel(VDCTRL4_SYNC_SIGNALS_ON, host->base + LCDC_VDCTRL4 + REG_CLR);
++ reg = readl(host->base + LCDC_VDCTRL4);
++ writel(reg & ~VDCTRL4_SYNC_SIGNALS_ON, host->base + LCDC_VDCTRL4);
+
+ clk_disable_unprepare(host->clk);
+
+diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
+index 5aa43c3..52bfd07 100644
+--- a/drivers/virtio/virtio_ring.c
++++ b/drivers/virtio/virtio_ring.c
+@@ -132,6 +132,13 @@ static int vring_add_indirect(struct vring_virtqueue *vq,
+ unsigned head;
+ int i;
+
++ /*
++ * We require lowmem mappings for the descriptors because
++ * otherwise virt_to_phys will give us bogus addresses in the
++ * virtqueue.
++ */
++ gfp &= ~(__GFP_HIGHMEM | __GFP_HIGH);
++
+ desc = kmalloc((out + in) * sizeof(struct vring_desc), gfp);
+ if (!desc)
+ return -ENOMEM;
+diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
+index b1f60a0..b2db77e 100644
+--- a/drivers/xen/evtchn.c
++++ b/drivers/xen/evtchn.c
+@@ -269,6 +269,14 @@ static int evtchn_bind_to_user(struct per_user_data *u, int port)
+ u->name, (void *)(unsigned long)port);
+ if (rc >= 0)
+ rc = evtchn_make_refcounted(port);
++ else {
++ /* bind failed, should close the port now */
++ struct evtchn_close close;
++ close.port = port;
++ if (HYPERVISOR_event_channel_op(EVTCHNOP_close, &close) != 0)
++ BUG();
++ set_port_user(port, NULL);
++ }
+
+ return rc;
+ }
+@@ -277,6 +285,8 @@ static void evtchn_unbind_from_user(struct per_user_data *u, int port)
+ {
+ int irq = irq_from_evtchn(port);
+
++ BUG_ON(irq < 0);
++
+ unbind_from_irqhandler(irq, (void *)(unsigned long)port);
+
+ set_port_user(port, NULL);
+diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
+index 0067266..22be735 100644
+--- a/drivers/xen/grant-table.c
++++ b/drivers/xen/grant-table.c
+@@ -54,10 +54,6 @@
+ /* External tools reserve first few grant table entries. */
+ #define NR_RESERVED_ENTRIES 8
+ #define GNTTAB_LIST_END 0xffffffff
+-#define GREFS_PER_GRANT_FRAME \
+-(grant_table_version == 1 ? \
+-(PAGE_SIZE / sizeof(struct grant_entry_v1)) : \
+-(PAGE_SIZE / sizeof(union grant_entry_v2)))
+
+ static grant_ref_t **gnttab_list;
+ static unsigned int nr_grant_frames;
+@@ -152,6 +148,7 @@ static struct gnttab_ops *gnttab_interface;
+ static grant_status_t *grstatus;
+
+ static int grant_table_version;
++static int grefs_per_grant_frame;
+
+ static struct gnttab_free_callback *gnttab_free_callback_list;
+
+@@ -766,12 +763,14 @@ static int grow_gnttab_list(unsigned int more_frames)
+ unsigned int new_nr_grant_frames, extra_entries, i;
+ unsigned int nr_glist_frames, new_nr_glist_frames;
+
++ BUG_ON(grefs_per_grant_frame == 0);
++
+ new_nr_grant_frames = nr_grant_frames + more_frames;
+- extra_entries = more_frames * GREFS_PER_GRANT_FRAME;
++ extra_entries = more_frames * grefs_per_grant_frame;
+
+- nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
++ nr_glist_frames = (nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
+ new_nr_glist_frames =
+- (new_nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
++ (new_nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
+ for (i = nr_glist_frames; i < new_nr_glist_frames; i++) {
+ gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_ATOMIC);
+ if (!gnttab_list[i])
+@@ -779,12 +778,12 @@ static int grow_gnttab_list(unsigned int more_frames)
+ }
+
+
+- for (i = GREFS_PER_GRANT_FRAME * nr_grant_frames;
+- i < GREFS_PER_GRANT_FRAME * new_nr_grant_frames - 1; i++)
++ for (i = grefs_per_grant_frame * nr_grant_frames;
++ i < grefs_per_grant_frame * new_nr_grant_frames - 1; i++)
+ gnttab_entry(i) = i + 1;
+
+ gnttab_entry(i) = gnttab_free_head;
+- gnttab_free_head = GREFS_PER_GRANT_FRAME * nr_grant_frames;
++ gnttab_free_head = grefs_per_grant_frame * nr_grant_frames;
+ gnttab_free_count += extra_entries;
+
+ nr_grant_frames = new_nr_grant_frames;
+@@ -904,7 +903,8 @@ EXPORT_SYMBOL_GPL(gnttab_unmap_refs);
+
+ static unsigned nr_status_frames(unsigned nr_grant_frames)
+ {
+- return (nr_grant_frames * GREFS_PER_GRANT_FRAME + SPP - 1) / SPP;
++ BUG_ON(grefs_per_grant_frame == 0);
++ return (nr_grant_frames * grefs_per_grant_frame + SPP - 1) / SPP;
+ }
+
+ static int gnttab_map_frames_v1(unsigned long *frames, unsigned int nr_gframes)
+@@ -1062,6 +1062,7 @@ static void gnttab_request_version(void)
+ rc = HYPERVISOR_grant_table_op(GNTTABOP_set_version, &gsv, 1);
+ if (rc == 0 && gsv.version == 2) {
+ grant_table_version = 2;
++ grefs_per_grant_frame = PAGE_SIZE / sizeof(union grant_entry_v2);
+ gnttab_interface = &gnttab_v2_ops;
+ } else if (grant_table_version == 2) {
+ /*
+@@ -1074,17 +1075,17 @@ static void gnttab_request_version(void)
+ panic("we need grant tables version 2, but only version 1 is available");
+ } else {
+ grant_table_version = 1;
++ grefs_per_grant_frame = PAGE_SIZE / sizeof(struct grant_entry_v1);
+ gnttab_interface = &gnttab_v1_ops;
+ }
+ printk(KERN_INFO "Grant tables using version %d layout.\n",
+ grant_table_version);
+ }
+
+-int gnttab_resume(void)
++static int gnttab_setup(void)
+ {
+ unsigned int max_nr_gframes;
+
+- gnttab_request_version();
+ max_nr_gframes = gnttab_max_grant_frames();
+ if (max_nr_gframes < nr_grant_frames)
+ return -ENOSYS;
+@@ -1107,6 +1108,12 @@ int gnttab_resume(void)
+ return 0;
+ }
+
++int gnttab_resume(void)
++{
++ gnttab_request_version();
++ return gnttab_setup();
++}
++
+ int gnttab_suspend(void)
+ {
+ gnttab_interface->unmap_frames();
+@@ -1118,9 +1125,10 @@ static int gnttab_expand(unsigned int req_entries)
+ int rc;
+ unsigned int cur, extra;
+
++ BUG_ON(grefs_per_grant_frame == 0);
+ cur = nr_grant_frames;
+- extra = ((req_entries + (GREFS_PER_GRANT_FRAME-1)) /
+- GREFS_PER_GRANT_FRAME);
++ extra = ((req_entries + (grefs_per_grant_frame-1)) /
++ grefs_per_grant_frame);
+ if (cur + extra > gnttab_max_grant_frames())
+ return -ENOSPC;
+
+@@ -1138,21 +1146,23 @@ int gnttab_init(void)
+ unsigned int nr_init_grefs;
+ int ret;
+
++ gnttab_request_version();
+ nr_grant_frames = 1;
+ boot_max_nr_grant_frames = __max_nr_grant_frames();
+
+ /* Determine the maximum number of frames required for the
+ * grant reference free list on the current hypervisor.
+ */
++ BUG_ON(grefs_per_grant_frame == 0);
+ max_nr_glist_frames = (boot_max_nr_grant_frames *
+- GREFS_PER_GRANT_FRAME / RPP);
++ grefs_per_grant_frame / RPP);
+
+ gnttab_list = kmalloc(max_nr_glist_frames * sizeof(grant_ref_t *),
+ GFP_KERNEL);
+ if (gnttab_list == NULL)
+ return -ENOMEM;
+
+- nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
++ nr_glist_frames = (nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
+ for (i = 0; i < nr_glist_frames; i++) {
+ gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_KERNEL);
+ if (gnttab_list[i] == NULL) {
+@@ -1161,12 +1171,12 @@ int gnttab_init(void)
+ }
+ }
+
+- if (gnttab_resume() < 0) {
++ if (gnttab_setup() < 0) {
+ ret = -ENODEV;
+ goto ini_nomem;
+ }
+
+- nr_init_grefs = nr_grant_frames * GREFS_PER_GRANT_FRAME;
++ nr_init_grefs = nr_grant_frames * grefs_per_grant_frame;
+
+ for (i = NR_RESERVED_ENTRIES; i < nr_init_grefs - 1; i++)
+ gnttab_entry(i) = i + 1;
+diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
+index 790b3cd..772428d 100644
+--- a/fs/binfmt_misc.c
++++ b/fs/binfmt_misc.c
+@@ -176,7 +176,10 @@ static int load_misc_binary(struct linux_binprm *bprm, struct pt_regs *regs)
+ goto _error;
+ bprm->argc ++;
+
+- bprm->interp = iname; /* for binfmt_script */
++ /* Update interp in case binfmt_script needs it. */
++ retval = bprm_change_interp(iname, bprm);
++ if (retval < 0)
++ goto _error;
+
+ interp_file = open_exec (iname);
+ retval = PTR_ERR (interp_file);
+diff --git a/fs/binfmt_script.c b/fs/binfmt_script.c
+index d3b8c1f..df49d48 100644
+--- a/fs/binfmt_script.c
++++ b/fs/binfmt_script.c
+@@ -82,7 +82,9 @@ static int load_script(struct linux_binprm *bprm,struct pt_regs *regs)
+ retval = copy_strings_kernel(1, &i_name, bprm);
+ if (retval) return retval;
+ bprm->argc++;
+- bprm->interp = interp;
++ retval = bprm_change_interp(interp, bprm);
++ if (retval < 0)
++ return retval;
+
+ /*
+ * OK, now restart the process with the interpreter's dentry.
+diff --git a/fs/block_dev.c b/fs/block_dev.c
+index 38e721b..2577cf4 100644
+--- a/fs/block_dev.c
++++ b/fs/block_dev.c
+@@ -1047,6 +1047,7 @@ int revalidate_disk(struct gendisk *disk)
+
+ mutex_lock(&bdev->bd_mutex);
+ check_disk_size_change(disk, bdev);
++ bdev->bd_invalidated = 0;
+ mutex_unlock(&bdev->bd_mutex);
+ bdput(bdev);
+ return ret;
+diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
+index 1ced2d8..a2e0b94 100644
+--- a/fs/ceph/addr.c
++++ b/fs/ceph/addr.c
+@@ -267,6 +267,14 @@ static void finish_read(struct ceph_osd_request *req, struct ceph_msg *msg)
+ kfree(req->r_pages);
+ }
+
++static void ceph_unlock_page_vector(struct page **pages, int num_pages)
++{
++ int i;
++
++ for (i = 0; i < num_pages; i++)
++ unlock_page(pages[i]);
++}
++
+ /*
+ * start an async read(ahead) operation. return nr_pages we submitted
+ * a read for on success, or negative error code.
+@@ -308,8 +316,8 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
+ NULL, 0,
+ ci->i_truncate_seq, ci->i_truncate_size,
+ NULL, false, 1, 0);
+- if (!req)
+- return -ENOMEM;
++ if (IS_ERR(req))
++ return PTR_ERR(req);
+
+ /* build page vector */
+ nr_pages = len >> PAGE_CACHE_SHIFT;
+@@ -347,6 +355,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
+ return nr_pages;
+
+ out_pages:
++ ceph_unlock_page_vector(pages, nr_pages);
+ ceph_release_page_vector(pages, nr_pages);
+ out:
+ ceph_osdc_put_request(req);
+@@ -831,8 +840,8 @@ get_more_pages:
+ ci->i_truncate_size,
+ &inode->i_mtime, true, 1, 0);
+
+- if (!req) {
+- rc = -ENOMEM;
++ if (IS_ERR(req)) {
++ rc = PTR_ERR(req);
+ unlock_page(page);
+ break;
+ }
+diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
+index 620daad..e7d4077 100644
+--- a/fs/ceph/caps.c
++++ b/fs/ceph/caps.c
+@@ -1349,11 +1349,15 @@ int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
+ if (!ci->i_head_snapc)
+ ci->i_head_snapc = ceph_get_snap_context(
+ ci->i_snap_realm->cached_context);
+- dout(" inode %p now dirty snapc %p\n", &ci->vfs_inode,
+- ci->i_head_snapc);
++ dout(" inode %p now dirty snapc %p auth cap %p\n",
++ &ci->vfs_inode, ci->i_head_snapc, ci->i_auth_cap);
+ BUG_ON(!list_empty(&ci->i_dirty_item));
+ spin_lock(&mdsc->cap_dirty_lock);
+- list_add(&ci->i_dirty_item, &mdsc->cap_dirty);
++ if (ci->i_auth_cap)
++ list_add(&ci->i_dirty_item, &mdsc->cap_dirty);
++ else
++ list_add(&ci->i_dirty_item,
++ &mdsc->cap_dirty_migrating);
+ spin_unlock(&mdsc->cap_dirty_lock);
+ if (ci->i_flushing_caps == 0) {
+ ihold(inode);
+@@ -2388,7 +2392,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
+ &atime);
+
+ /* max size increase? */
+- if (max_size != ci->i_max_size) {
++ if (ci->i_auth_cap == cap && max_size != ci->i_max_size) {
+ dout("max_size %lld -> %llu\n", ci->i_max_size, max_size);
+ ci->i_max_size = max_size;
+ if (max_size >= ci->i_wanted_max_size) {
+@@ -2745,6 +2749,7 @@ static void handle_cap_import(struct ceph_mds_client *mdsc,
+
+ /* make sure we re-request max_size, if necessary */
+ spin_lock(&ci->i_ceph_lock);
++ ci->i_wanted_max_size = 0; /* reset */
+ ci->i_requested_max_size = 0;
+ spin_unlock(&ci->i_ceph_lock);
+ }
+@@ -2840,8 +2845,6 @@ void ceph_handle_caps(struct ceph_mds_session *session,
+ case CEPH_CAP_OP_IMPORT:
+ handle_cap_import(mdsc, inode, h, session,
+ snaptrace, snaptrace_len);
+- ceph_check_caps(ceph_inode(inode), 0, session);
+- goto done_unlocked;
+ }
+
+ /* the rest require a cap */
+@@ -2858,6 +2861,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
+ switch (op) {
+ case CEPH_CAP_OP_REVOKE:
+ case CEPH_CAP_OP_GRANT:
++ case CEPH_CAP_OP_IMPORT:
+ handle_cap_grant(inode, h, session, cap, msg->middle);
+ goto done_unlocked;
+
+diff --git a/fs/ceph/file.c b/fs/ceph/file.c
+index ecebbc0..5840d2a 100644
+--- a/fs/ceph/file.c
++++ b/fs/ceph/file.c
+@@ -536,8 +536,8 @@ more:
+ do_sync,
+ ci->i_truncate_seq, ci->i_truncate_size,
+ &mtime, false, 2, page_align);
+- if (!req)
+- return -ENOMEM;
++ if (IS_ERR(req))
++ return PTR_ERR(req);
+
+ if (file->f_flags & O_DIRECT) {
+ pages = ceph_get_direct_page_vector(data, num_pages, false);
+diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
+index 4b5762e..81613bc 100644
+--- a/fs/ceph/inode.c
++++ b/fs/ceph/inode.c
+@@ -1466,7 +1466,7 @@ void __ceph_do_pending_vmtruncate(struct inode *inode)
+ {
+ struct ceph_inode_info *ci = ceph_inode(inode);
+ u64 to;
+- int wrbuffer_refs, wake = 0;
++ int wrbuffer_refs, finish = 0;
+
+ retry:
+ spin_lock(&ci->i_ceph_lock);
+@@ -1498,15 +1498,18 @@ retry:
+ truncate_inode_pages(inode->i_mapping, to);
+
+ spin_lock(&ci->i_ceph_lock);
+- ci->i_truncate_pending--;
+- if (ci->i_truncate_pending == 0)
+- wake = 1;
++ if (to == ci->i_truncate_size) {
++ ci->i_truncate_pending = 0;
++ finish = 1;
++ }
+ spin_unlock(&ci->i_ceph_lock);
++ if (!finish)
++ goto retry;
+
+ if (wrbuffer_refs == 0)
+ ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
+- if (wake)
+- wake_up_all(&ci->i_cap_wq);
++
++ wake_up_all(&ci->i_cap_wq);
+ }
+
+
+diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
+index 1bcf712..0d9864f 100644
+--- a/fs/ceph/mds_client.c
++++ b/fs/ceph/mds_client.c
+@@ -1876,9 +1876,14 @@ finish:
+ static void __wake_requests(struct ceph_mds_client *mdsc,
+ struct list_head *head)
+ {
+- struct ceph_mds_request *req, *nreq;
++ struct ceph_mds_request *req;
++ LIST_HEAD(tmp_list);
++
++ list_splice_init(head, &tmp_list);
+
+- list_for_each_entry_safe(req, nreq, head, r_wait) {
++ while (!list_empty(&tmp_list)) {
++ req = list_entry(tmp_list.next,
++ struct ceph_mds_request, r_wait);
+ list_del_init(&req->r_wait);
+ __do_request(mdsc, req);
+ }
+diff --git a/fs/ceph/super.c b/fs/ceph/super.c
+index b982239..2f6212e 100644
+--- a/fs/ceph/super.c
++++ b/fs/ceph/super.c
+@@ -388,8 +388,6 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
+ seq_printf(m, ",mount_timeout=%d", opt->mount_timeout);
+ if (opt->osd_idle_ttl != CEPH_OSD_IDLE_TTL_DEFAULT)
+ seq_printf(m, ",osd_idle_ttl=%d", opt->osd_idle_ttl);
+- if (opt->osd_timeout != CEPH_OSD_TIMEOUT_DEFAULT)
+- seq_printf(m, ",osdtimeout=%d", opt->osd_timeout);
+ if (opt->osd_keepalive_timeout != CEPH_OSD_KEEPALIVE_DEFAULT)
+ seq_printf(m, ",osdkeepalivetimeout=%d",
+ opt->osd_keepalive_timeout);
+diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
+index ce5cbd7..210fce2 100644
+--- a/fs/cifs/cifs_dfs_ref.c
++++ b/fs/cifs/cifs_dfs_ref.c
+@@ -226,6 +226,8 @@ compose_mount_options_out:
+ compose_mount_options_err:
+ kfree(mountdata);
+ mountdata = ERR_PTR(rc);
++ kfree(*devname);
++ *devname = NULL;
+ goto compose_mount_options_out;
+ }
+
+diff --git a/fs/direct-io.c b/fs/direct-io.c
+index f86c720..9202248 100644
+--- a/fs/direct-io.c
++++ b/fs/direct-io.c
+@@ -261,9 +261,9 @@ static ssize_t dio_complete(struct dio *dio, loff_t offset, ssize_t ret, bool is
+ dio->end_io(dio->iocb, offset, transferred,
+ dio->private, ret, is_async);
+ } else {
++ inode_dio_done(dio->inode);
+ if (is_async)
+ aio_complete(dio->iocb, ret, 0);
+- inode_dio_done(dio->inode);
+ }
+
+ return ret;
+diff --git a/fs/eventpoll.c b/fs/eventpoll.c
+index eedec84..3b032dd 100644
+--- a/fs/eventpoll.c
++++ b/fs/eventpoll.c
+@@ -1285,7 +1285,7 @@ static int ep_modify(struct eventpoll *ep, struct epitem *epi, struct epoll_even
+ * otherwise we might miss an event that happens between the
+ * f_op->poll() call and the new event set registering.
+ */
+- epi->event.events = event->events;
++ epi->event.events = event->events; /* need barrier below */
+ pt._key = event->events;
+ epi->event.data = event->data; /* protected by mtx */
+ if (epi->event.events & EPOLLWAKEUP) {
+@@ -1296,6 +1296,26 @@ static int ep_modify(struct eventpoll *ep, struct epitem *epi, struct epoll_even
+ }
+
+ /*
++ * The following barrier has two effects:
++ *
++ * 1) Flush epi changes above to other CPUs. This ensures
++ * we do not miss events from ep_poll_callback if an
++ * event occurs immediately after we call f_op->poll().
++ * We need this because we did not take ep->lock while
++ * changing epi above (but ep_poll_callback does take
++ * ep->lock).
++ *
++ * 2) We also need to ensure we do not miss _past_ events
++ * when calling f_op->poll(). This barrier also
++ * pairs with the barrier in wq_has_sleeper (see
++ * comments for wq_has_sleeper).
++ *
++ * This barrier will now guarantee ep_poll_callback or f_op->poll
++ * (or both) will notice the readiness of an item.
++ */
++ smp_mb();
++
++ /*
+ * Get current event bits. We can safely use the file* here because
+ * its usage count has been increased by the caller of this function.
+ */
+diff --git a/fs/exec.c b/fs/exec.c
+index fab2c6d..59896ae 100644
+--- a/fs/exec.c
++++ b/fs/exec.c
+@@ -1202,9 +1202,24 @@ void free_bprm(struct linux_binprm *bprm)
+ mutex_unlock(&current->signal->cred_guard_mutex);
+ abort_creds(bprm->cred);
+ }
++ /* If a binfmt changed the interp, free it. */
++ if (bprm->interp != bprm->filename)
++ kfree(bprm->interp);
+ kfree(bprm);
+ }
+
++int bprm_change_interp(char *interp, struct linux_binprm *bprm)
++{
++ /* If a binfmt changed the interp, free it first. */
++ if (bprm->interp != bprm->filename)
++ kfree(bprm->interp);
++ bprm->interp = kstrdup(interp, GFP_KERNEL);
++ if (!bprm->interp)
++ return -ENOMEM;
++ return 0;
++}
++EXPORT_SYMBOL(bprm_change_interp);
++
+ /*
+ * install the new credentials for this executable
+ */
+diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
+index a5c29bb..8535c45 100644
+--- a/fs/ext4/acl.c
++++ b/fs/ext4/acl.c
+@@ -410,8 +410,10 @@ ext4_xattr_set_acl(struct dentry *dentry, const char *name, const void *value,
+
+ retry:
+ handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb));
+- if (IS_ERR(handle))
+- return PTR_ERR(handle);
++ if (IS_ERR(handle)) {
++ error = PTR_ERR(handle);
++ goto release_and_out;
++ }
+ error = ext4_set_acl(handle, inode, type, acl);
+ ext4_journal_stop(handle);
+ if (error == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries))
+diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
+index cf18217..2f2e0da 100644
+--- a/fs/ext4/balloc.c
++++ b/fs/ext4/balloc.c
+@@ -358,7 +358,7 @@ void ext4_validate_block_bitmap(struct super_block *sb,
+ }
+
+ /**
+- * ext4_read_block_bitmap()
++ * ext4_read_block_bitmap_nowait()
+ * @sb: super block
+ * @block_group: given block group
+ *
+@@ -457,6 +457,8 @@ ext4_read_block_bitmap(struct super_block *sb, ext4_group_t block_group)
+ struct buffer_head *bh;
+
+ bh = ext4_read_block_bitmap_nowait(sb, block_group);
++ if (!bh)
++ return NULL;
+ if (ext4_wait_block_bitmap(sb, block_group, bh)) {
+ put_bh(bh);
+ return NULL;
+@@ -482,11 +484,16 @@ static int ext4_has_free_clusters(struct ext4_sb_info *sbi,
+
+ free_clusters = percpu_counter_read_positive(fcc);
+ dirty_clusters = percpu_counter_read_positive(dcc);
+- root_clusters = EXT4_B2C(sbi, ext4_r_blocks_count(sbi->s_es));
++
++ /*
++ * r_blocks_count should always be multiple of the cluster ratio so
++ * we are safe to do a plane bit shift only.
++ */
++ root_clusters = ext4_r_blocks_count(sbi->s_es) >> sbi->s_cluster_bits;
+
+ if (free_clusters - (nclusters + root_clusters + dirty_clusters) <
+ EXT4_FREECLUSTERS_WATERMARK) {
+- free_clusters = EXT4_C2B(sbi, percpu_counter_sum_positive(fcc));
++ free_clusters = percpu_counter_sum_positive(fcc);
+ dirty_clusters = percpu_counter_sum_positive(dcc);
+ }
+ /* Check whether we have space after accounting for current
+diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
+index 741bb94..31be24d 100644
+--- a/fs/ext4/extents.c
++++ b/fs/ext4/extents.c
+@@ -2176,13 +2176,14 @@ ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,
+ * removes index from the index block.
+ */
+ static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode,
+- struct ext4_ext_path *path)
++ struct ext4_ext_path *path, int depth)
+ {
+ int err;
+ ext4_fsblk_t leaf;
+
+ /* free index block */
+- path--;
++ depth--;
++ path = path + depth;
+ leaf = ext4_idx_pblock(path->p_idx);
+ if (unlikely(path->p_hdr->eh_entries == 0)) {
+ EXT4_ERROR_INODE(inode, "path->p_hdr->eh_entries == 0");
+@@ -2207,6 +2208,19 @@ static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode,
+
+ ext4_free_blocks(handle, inode, NULL, leaf, 1,
+ EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET);
++
++ while (--depth >= 0) {
++ if (path->p_idx != EXT_FIRST_INDEX(path->p_hdr))
++ break;
++ path--;
++ err = ext4_ext_get_access(handle, inode, path);
++ if (err)
++ break;
++ path->p_idx->ei_block = (path+1)->p_idx->ei_block;
++ err = ext4_ext_dirty(handle, inode, path);
++ if (err)
++ break;
++ }
+ return err;
+ }
+
+@@ -2540,7 +2554,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
+ /* if this leaf is free, then we should
+ * remove it from index block above */
+ if (err == 0 && eh->eh_entries == 0 && path[depth].p_bh != NULL)
+- err = ext4_ext_rm_idx(handle, inode, path + depth);
++ err = ext4_ext_rm_idx(handle, inode, path, depth);
+
+ out:
+ return err;
+@@ -2741,7 +2755,7 @@ cont:
+ /* index is empty, remove it;
+ * handle must be already prepared by the
+ * truncatei_leaf() */
+- err = ext4_ext_rm_idx(handle, inode, path + i);
++ err = ext4_ext_rm_idx(handle, inode, path, i);
+ }
+ /* root level has p_bh == NULL, brelse() eats this */
+ brelse(path[i].p_bh);
+diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
+index cc2d77c..c7c6e09 100644
+--- a/fs/ext4/ialloc.c
++++ b/fs/ext4/ialloc.c
+@@ -753,7 +753,6 @@ got:
+
+ BUFFER_TRACE(block_bitmap_bh, "dirty block bitmap");
+ err = ext4_handle_dirty_metadata(handle, NULL, block_bitmap_bh);
+- brelse(block_bitmap_bh);
+
+ /* recheck and clear flag under lock if we still need to */
+ ext4_lock_group(sb, group);
+@@ -766,6 +765,7 @@ got:
+ ext4_group_desc_csum_set(sb, group, gdp);
+ }
+ ext4_unlock_group(sb, group);
++ brelse(block_bitmap_bh);
+
+ if (err)
+ goto fail;
+diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
+index 2ce16af..7e424eb 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -1501,6 +1501,8 @@ static void ext4_da_block_invalidatepages(struct mpage_da_data *mpd)
+
+ index = mpd->first_page;
+ end = mpd->next_page - 1;
++
++ pagevec_init(&pvec, 0);
+ while (index <= end) {
+ nr_pages = pagevec_lookup(&pvec, mapping, index, PAGEVEC_SIZE);
+ if (nr_pages == 0)
+diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
+index b26410c..24e5c78 100644
+--- a/fs/ext4/mballoc.c
++++ b/fs/ext4/mballoc.c
+@@ -4128,7 +4128,7 @@ static void ext4_mb_add_n_trim(struct ext4_allocation_context *ac)
+ /* The max size of hash table is PREALLOC_TB_SIZE */
+ order = PREALLOC_TB_SIZE - 1;
+ /* Add the prealloc space to lg */
+- rcu_read_lock();
++ spin_lock(&lg->lg_prealloc_lock);
+ list_for_each_entry_rcu(tmp_pa, &lg->lg_prealloc_list[order],
+ pa_inode_list) {
+ spin_lock(&tmp_pa->pa_lock);
+@@ -4152,12 +4152,12 @@ static void ext4_mb_add_n_trim(struct ext4_allocation_context *ac)
+ if (!added)
+ list_add_tail_rcu(&pa->pa_inode_list,
+ &lg->lg_prealloc_list[order]);
+- rcu_read_unlock();
++ spin_unlock(&lg->lg_prealloc_lock);
+
+ /* Now trim the list to be not more than 8 elements */
+ if (lg_prealloc_count > 8) {
+ ext4_mb_discard_lg_preallocations(sb, lg,
+- order, lg_prealloc_count);
++ order, lg_prealloc_count);
+ return;
+ }
+ return ;
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index 2b5fb60..f4665ec 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -1643,9 +1643,7 @@ static int parse_options(char *options, struct super_block *sb,
+ unsigned int *journal_ioprio,
+ int is_remount)
+ {
+-#ifdef CONFIG_QUOTA
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+-#endif
+ char *p;
+ substring_t args[MAX_OPT_ARGS];
+ int token;
+@@ -1694,6 +1692,16 @@ static int parse_options(char *options, struct super_block *sb,
+ }
+ }
+ #endif
++ if (test_opt(sb, DIOREAD_NOLOCK)) {
++ int blocksize =
++ BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size);
++
++ if (blocksize < PAGE_CACHE_SIZE) {
++ ext4_msg(sb, KERN_ERR, "can't mount with "
++ "dioread_nolock if block size != PAGE_SIZE");
++ return 0;
++ }
++ }
+ return 1;
+ }
+
+@@ -2184,7 +2192,9 @@ static void ext4_orphan_cleanup(struct super_block *sb,
+ __func__, inode->i_ino, inode->i_size);
+ jbd_debug(2, "truncating inode %lu to %lld bytes\n",
+ inode->i_ino, inode->i_size);
++ mutex_lock(&inode->i_mutex);
+ ext4_truncate(inode);
++ mutex_unlock(&inode->i_mutex);
+ nr_truncates++;
+ } else {
+ ext4_msg(sb, KERN_DEBUG,
+@@ -3409,15 +3419,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
+ clear_opt(sb, DELALLOC);
+ }
+
+- blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
+- if (test_opt(sb, DIOREAD_NOLOCK)) {
+- if (blocksize < PAGE_SIZE) {
+- ext4_msg(sb, KERN_ERR, "can't mount with "
+- "dioread_nolock if block size != PAGE_SIZE");
+- goto failed_mount;
+- }
+- }
+-
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+@@ -3459,6 +3460,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
+ if (!ext4_feature_set_ok(sb, (sb->s_flags & MS_RDONLY)))
+ goto failed_mount;
+
++ blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size);
+ if (blocksize < EXT4_MIN_BLOCK_SIZE ||
+ blocksize > EXT4_MAX_BLOCK_SIZE) {
+ ext4_msg(sb, KERN_ERR,
+@@ -4694,7 +4696,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
+ }
+
+ ext4_setup_system_zone(sb);
+- if (sbi->s_journal == NULL)
++ if (sbi->s_journal == NULL && !(old_sb_flags & MS_RDONLY))
+ ext4_commit_super(sb, 1);
+
+ unlock_super(sb);
+diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
+index 2cdb98d..f039941 100644
+--- a/fs/ext4/xattr.c
++++ b/fs/ext4/xattr.c
+@@ -554,7 +554,7 @@ ext4_xattr_release_block(handle_t *handle, struct inode *inode,
+ error = ext4_handle_dirty_xattr_block(handle, inode, bh);
+ if (IS_SYNC(inode))
+ ext4_handle_sync(handle);
+- dquot_free_block(inode, 1);
++ dquot_free_block(inode, EXT4_C2B(EXT4_SB(inode->i_sb), 1));
+ ea_bdebug(bh, "refcount now=%d; releasing",
+ le32_to_cpu(BHDR(bh)->h_refcount));
+ }
+@@ -843,7 +843,8 @@ inserted:
+ else {
+ /* The old block is released after updating
+ the inode. */
+- error = dquot_alloc_block(inode, 1);
++ error = dquot_alloc_block(inode,
++ EXT4_C2B(EXT4_SB(sb), 1));
+ if (error)
+ goto cleanup;
+ error = ext4_journal_get_write_access(handle,
+@@ -939,7 +940,7 @@ cleanup:
+ return error;
+
+ cleanup_dquot:
+- dquot_free_block(inode, 1);
++ dquot_free_block(inode, EXT4_C2B(EXT4_SB(sb), 1));
+ goto cleanup;
+
+ bad_block:
+diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
+index 324bc08..68cc9ef 100644
+--- a/fs/fuse/dir.c
++++ b/fs/fuse/dir.c
+@@ -682,7 +682,14 @@ static int fuse_unlink(struct inode *dir, struct dentry *entry)
+
+ spin_lock(&fc->lock);
+ fi->attr_version = ++fc->attr_version;
+- drop_nlink(inode);
++ /*
++ * If i_nlink == 0 then unlink doesn't make sense, yet this can
++ * happen if userspace filesystem is careless. It would be
++ * difficult to enforce correct nlink usage so just ignore this
++ * condition here
++ */
++ if (inode->i_nlink > 0)
++ drop_nlink(inode);
+ spin_unlock(&fc->lock);
+ fuse_invalidate_attr(inode);
+ fuse_invalidate_attr(dir);
+diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
+index fb1ab953..2fb20f5 100644
+--- a/fs/jbd2/transaction.c
++++ b/fs/jbd2/transaction.c
+@@ -209,7 +209,8 @@ repeat:
+ if (!new_transaction)
+ goto alloc_transaction;
+ write_lock(&journal->j_state_lock);
+- if (!journal->j_running_transaction) {
++ if (!journal->j_running_transaction &&
++ !journal->j_barrier_count) {
+ jbd2_get_transaction(journal, new_transaction);
+ new_transaction = NULL;
+ }
+diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
+index 0c96eb5..0331072 100644
+--- a/fs/jffs2/nodemgmt.c
++++ b/fs/jffs2/nodemgmt.c
+@@ -417,14 +417,16 @@ static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize,
+ spin_unlock(&c->erase_completion_lock);
+
+ ret = jffs2_prealloc_raw_node_refs(c, jeb, 1);
+- if (ret)
+- return ret;
++
+ /* Just lock it again and continue. Nothing much can change because
+ we hold c->alloc_sem anyway. In fact, it's not entirely clear why
+ we hold c->erase_completion_lock in the majority of this function...
+ but that's a question for another (more caffeine-rich) day. */
+ spin_lock(&c->erase_completion_lock);
+
++ if (ret)
++ return ret;
++
+ waste = jeb->free_size;
+ jffs2_link_node_ref(c, jeb,
+ (jeb->offset + c->sector_size - waste) | REF_OBSOLETE,
+diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
+index 05d2912..a5657ff 100644
+--- a/fs/lockd/clntproc.c
++++ b/fs/lockd/clntproc.c
+@@ -551,6 +551,9 @@ again:
+ status = nlmclnt_block(block, req, NLMCLNT_POLL_TIMEOUT);
+ if (status < 0)
+ break;
++ /* Resend the blocking lock request after a server reboot */
++ if (resp->status == nlm_lck_denied_grace_period)
++ continue;
+ if (resp->status != nlm_lck_blocked)
+ break;
+ }
+diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
+index 1093968..62f18f7 100644
+--- a/fs/nfs/blocklayout/blocklayout.c
++++ b/fs/nfs/blocklayout/blocklayout.c
+@@ -1240,6 +1240,7 @@ static const struct nfs_pageio_ops bl_pg_write_ops = {
+ static struct pnfs_layoutdriver_type blocklayout_type = {
+ .id = LAYOUT_BLOCK_VOLUME,
+ .name = "LAYOUT_BLOCK_VOLUME",
++ .owner = THIS_MODULE,
+ .read_pagelist = bl_read_pagelist,
+ .write_pagelist = bl_write_pagelist,
+ .alloc_layout_hdr = bl_alloc_layout_hdr,
+diff --git a/fs/nfs/client.c b/fs/nfs/client.c
+index 0e7cd89..b59f1d8 100644
+--- a/fs/nfs/client.c
++++ b/fs/nfs/client.c
+@@ -614,8 +614,7 @@ EXPORT_SYMBOL_GPL(nfs_create_rpc_client);
+ */
+ static void nfs_destroy_server(struct nfs_server *server)
+ {
+- if (!(server->flags & NFS_MOUNT_LOCAL_FLOCK) ||
+- !(server->flags & NFS_MOUNT_LOCAL_FCNTL))
++ if (server->nlm_host)
+ nlmclnt_done(server->nlm_host);
+ }
+
+diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
+index 627f108..e210a66 100644
+--- a/fs/nfs/dir.c
++++ b/fs/nfs/dir.c
+@@ -1155,11 +1155,14 @@ static int nfs_dentry_delete(const struct dentry *dentry)
+
+ }
+
++/* Ensure that we revalidate inode->i_nlink */
+ static void nfs_drop_nlink(struct inode *inode)
+ {
+ spin_lock(&inode->i_lock);
+- if (inode->i_nlink > 0)
+- drop_nlink(inode);
++ /* drop the inode if we're reasonably sure this is the last link */
++ if (inode->i_nlink == 1)
++ clear_nlink(inode);
++ NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATTR;
+ spin_unlock(&inode->i_lock);
+ }
+
+@@ -1174,8 +1177,8 @@ static void nfs_dentry_iput(struct dentry *dentry, struct inode *inode)
+ NFS_I(inode)->cache_validity |= NFS_INO_INVALID_DATA;
+
+ if (dentry->d_flags & DCACHE_NFSFS_RENAMED) {
+- drop_nlink(inode);
+ nfs_complete_unlink(dentry, inode);
++ nfs_drop_nlink(inode);
+ }
+ iput(inode);
+ }
+@@ -1646,10 +1649,8 @@ static int nfs_safe_remove(struct dentry *dentry)
+ if (inode != NULL) {
+ NFS_PROTO(inode)->return_delegation(inode);
+ error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);
+- /* The VFS may want to delete this inode */
+ if (error == 0)
+ nfs_drop_nlink(inode);
+- nfs_mark_for_revalidate(inode);
+ } else
+ error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);
+ if (error == -ENOENT)
+diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
+index dd057bc..fc8dc20 100644
+--- a/fs/nfs/namespace.c
++++ b/fs/nfs/namespace.c
+@@ -177,11 +177,31 @@ out_nofree:
+ return mnt;
+ }
+
++static int
++nfs_namespace_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
++{
++ if (NFS_FH(dentry->d_inode)->size != 0)
++ return nfs_getattr(mnt, dentry, stat);
++ generic_fillattr(dentry->d_inode, stat);
++ return 0;
++}
++
++static int
++nfs_namespace_setattr(struct dentry *dentry, struct iattr *attr)
++{
++ if (NFS_FH(dentry->d_inode)->size != 0)
++ return nfs_setattr(dentry, attr);
++ return -EACCES;
++}
++
+ const struct inode_operations nfs_mountpoint_inode_operations = {
+ .getattr = nfs_getattr,
++ .setattr = nfs_setattr,
+ };
+
+ const struct inode_operations nfs_referral_inode_operations = {
++ .getattr = nfs_namespace_getattr,
++ .setattr = nfs_namespace_setattr,
+ };
+
+ static void nfs_expire_automounts(struct work_struct *work)
+diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
+index 7bff871..5e61aac 100644
+--- a/fs/nfs/nfs4proc.c
++++ b/fs/nfs/nfs4proc.c
+@@ -5999,13 +5999,26 @@ static void nfs41_sequence_prepare(struct rpc_task *task, void *data)
+ rpc_call_start(task);
+ }
+
++static void nfs41_sequence_prepare_privileged(struct rpc_task *task, void *data)
++{
++ rpc_task_set_priority(task, RPC_PRIORITY_PRIVILEGED);
++ nfs41_sequence_prepare(task, data);
++}
++
+ static const struct rpc_call_ops nfs41_sequence_ops = {
+ .rpc_call_done = nfs41_sequence_call_done,
+ .rpc_call_prepare = nfs41_sequence_prepare,
+ .rpc_release = nfs41_sequence_release,
+ };
+
+-static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred)
++static const struct rpc_call_ops nfs41_sequence_privileged_ops = {
++ .rpc_call_done = nfs41_sequence_call_done,
++ .rpc_call_prepare = nfs41_sequence_prepare_privileged,
++ .rpc_release = nfs41_sequence_release,
++};
++
++static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred,
++ const struct rpc_call_ops *seq_ops)
+ {
+ struct nfs4_sequence_data *calldata;
+ struct rpc_message msg = {
+@@ -6015,7 +6028,7 @@ static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp, struct rpc_
+ struct rpc_task_setup task_setup_data = {
+ .rpc_client = clp->cl_rpcclient,
+ .rpc_message = &msg,
+- .callback_ops = &nfs41_sequence_ops,
++ .callback_ops = seq_ops,
+ .flags = RPC_TASK_ASYNC | RPC_TASK_SOFT,
+ };
+
+@@ -6042,7 +6055,7 @@ static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cr
+
+ if ((renew_flags & NFS4_RENEW_TIMEOUT) == 0)
+ return 0;
+- task = _nfs41_proc_sequence(clp, cred);
++ task = _nfs41_proc_sequence(clp, cred, &nfs41_sequence_ops);
+ if (IS_ERR(task))
+ ret = PTR_ERR(task);
+ else
+@@ -6056,7 +6069,7 @@ static int nfs4_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred)
+ struct rpc_task *task;
+ int ret;
+
+- task = _nfs41_proc_sequence(clp, cred);
++ task = _nfs41_proc_sequence(clp, cred, &nfs41_sequence_privileged_ops);
+ if (IS_ERR(task)) {
+ ret = PTR_ERR(task);
+ goto out;
+diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c
+index ea6d111..75bd459 100644
+--- a/fs/nfs/objlayout/objio_osd.c
++++ b/fs/nfs/objlayout/objio_osd.c
+@@ -640,6 +640,7 @@ static struct pnfs_layoutdriver_type objlayout_type = {
+ .flags = PNFS_LAYOUTRET_ON_SETATTR |
+ PNFS_LAYOUTRET_ON_ERROR,
+
++ .owner = THIS_MODULE,
+ .alloc_layout_hdr = objlayout_alloc_layout_hdr,
+ .free_layout_hdr = objlayout_free_layout_hdr,
+
+diff --git a/fs/nfs/super.c b/fs/nfs/super.c
+index d8d7396..2a31c7f 100644
+--- a/fs/nfs/super.c
++++ b/fs/nfs/super.c
+@@ -1095,7 +1095,7 @@ static int nfs_get_option_str(substring_t args[], char **option)
+ {
+ kfree(*option);
+ *option = match_strdup(args);
+- return !option;
++ return !*option;
+ }
+
+ static int nfs_get_option_ul(substring_t args[], unsigned long *option)
+diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
+index c9c1c0a..ac784eb 100644
+--- a/fs/nfsd/nfs4proc.c
++++ b/fs/nfsd/nfs4proc.c
+@@ -194,6 +194,7 @@ static __be32
+ do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open)
+ {
+ struct svc_fh *resfh;
++ int accmode;
+ __be32 status;
+
+ resfh = kmalloc(sizeof(struct svc_fh), GFP_KERNEL);
+@@ -253,9 +254,10 @@ do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_o
+ /* set reply cache */
+ fh_copy_shallow(&open->op_openowner->oo_owner.so_replay.rp_openfh,
+ &resfh->fh_handle);
+- if (!open->op_created)
+- status = do_open_permission(rqstp, resfh, open,
+- NFSD_MAY_NOP);
++ accmode = NFSD_MAY_NOP;
++ if (open->op_created)
++ accmode |= NFSD_MAY_OWNER_OVERRIDE;
++ status = do_open_permission(rqstp, resfh, open, accmode);
+ set_change_info(&open->op_cinfo, current_fh);
+ fh_dup2(current_fh, resfh);
+ out:
+diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
+index 5b3224c..b271e9d 100644
+--- a/fs/nfsd/nfs4state.c
++++ b/fs/nfsd/nfs4state.c
+@@ -1098,6 +1098,8 @@ free_client(struct nfs4_client *clp)
+ }
+ free_svc_cred(&clp->cl_cred);
+ kfree(clp->cl_name.data);
++ idr_remove_all(&clp->cl_stateids);
++ idr_destroy(&clp->cl_stateids);
+ kfree(clp);
+ }
+
+@@ -2341,7 +2343,7 @@ nfsd4_init_slabs(void)
+ if (openowner_slab == NULL)
+ goto out_nomem;
+ lockowner_slab = kmem_cache_create("nfsd4_lockowners",
+- sizeof(struct nfs4_openowner), 0, 0, NULL);
++ sizeof(struct nfs4_lockowner), 0, 0, NULL);
+ if (lockowner_slab == NULL)
+ goto out_nomem;
+ file_slab = kmem_cache_create("nfsd4_files",
+diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
+index 6322df3..1e83186 100644
+--- a/fs/nfsd/nfs4xdr.c
++++ b/fs/nfsd/nfs4xdr.c
+@@ -2946,11 +2946,16 @@ nfsd4_encode_read(struct nfsd4_compoundres *resp, __be32 nfserr,
+ len = maxcount;
+ v = 0;
+ while (len > 0) {
+- pn = resp->rqstp->rq_resused++;
++ pn = resp->rqstp->rq_resused;
++ if (!resp->rqstp->rq_respages[pn]) { /* ran out of pages */
++ maxcount -= len;
++ break;
++ }
+ resp->rqstp->rq_vec[v].iov_base =
+ page_address(resp->rqstp->rq_respages[pn]);
+ resp->rqstp->rq_vec[v].iov_len =
+ len < PAGE_SIZE ? len : PAGE_SIZE;
++ resp->rqstp->rq_resused++;
+ v++;
+ len -= PAGE_SIZE;
+ }
+@@ -2996,6 +3001,8 @@ nfsd4_encode_readlink(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd
+ return nfserr;
+ if (resp->xbuf->page_len)
+ return nfserr_resource;
++ if (!resp->rqstp->rq_respages[resp->rqstp->rq_resused])
++ return nfserr_resource;
+
+ page = page_address(resp->rqstp->rq_respages[resp->rqstp->rq_resused++]);
+
+@@ -3045,6 +3052,8 @@ nfsd4_encode_readdir(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4
+ return nfserr;
+ if (resp->xbuf->page_len)
+ return nfserr_resource;
++ if (!resp->rqstp->rq_respages[resp->rqstp->rq_resused])
++ return nfserr_resource;
+
+ RESERVE_SPACE(NFS4_VERIFIER_SIZE);
+ savep = p;
+diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
+index 240473c..0d5e021 100644
+--- a/fs/nfsd/nfssvc.c
++++ b/fs/nfsd/nfssvc.c
+@@ -650,7 +650,7 @@ nfsd_dispatch(struct svc_rqst *rqstp, __be32 *statp)
+ }
+
+ /* Store reply in cache. */
+- nfsd_cache_update(rqstp, proc->pc_cachetype, statp + 1);
++ nfsd_cache_update(rqstp, rqstp->rq_cachetype, statp + 1);
+ return 1;
+ }
+
+diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
+index a9269f1..e1b40c7 100644
+--- a/fs/nfsd/vfs.c
++++ b/fs/nfsd/vfs.c
+@@ -1485,13 +1485,19 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
+ case NFS3_CREATE_EXCLUSIVE:
+ if ( dchild->d_inode->i_mtime.tv_sec == v_mtime
+ && dchild->d_inode->i_atime.tv_sec == v_atime
+- && dchild->d_inode->i_size == 0 )
++ && dchild->d_inode->i_size == 0 ) {
++ if (created)
++ *created = 1;
+ break;
++ }
+ case NFS4_CREATE_EXCLUSIVE4_1:
+ if ( dchild->d_inode->i_mtime.tv_sec == v_mtime
+ && dchild->d_inode->i_atime.tv_sec == v_atime
+- && dchild->d_inode->i_size == 0 )
++ && dchild->d_inode->i_size == 0 ) {
++ if (created)
++ *created = 1;
+ goto set_attr;
++ }
+ /* fallthru */
+ case NFS3_CREATE_GUARDED:
+ err = nfserr_exist;
+diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
+index fdb1807..f385935 100644
+--- a/fs/nilfs2/ioctl.c
++++ b/fs/nilfs2/ioctl.c
+@@ -664,8 +664,11 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
+ if (ret < 0)
+ printk(KERN_ERR "NILFS: GC failed during preparation: "
+ "cannot read source blocks: err=%d\n", ret);
+- else
++ else {
++ if (nilfs_sb_need_update(nilfs))
++ set_nilfs_discontinued(nilfs);
+ ret = nilfs_clean_segments(inode->i_sb, argv, kbufs);
++ }
+
+ nilfs_remove_all_gcinodes(nilfs);
+ clear_nilfs_gc_running(nilfs);
+diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
+index 8445fbc..6f292dd 100644
+--- a/fs/notify/inotify/inotify_user.c
++++ b/fs/notify/inotify/inotify_user.c
+@@ -579,8 +579,6 @@ static int inotify_update_existing_watch(struct fsnotify_group *group,
+
+ /* don't allow invalid bits: we don't want flags set */
+ mask = inotify_arg_to_mask(arg);
+- if (unlikely(!(mask & IN_ALL_EVENTS)))
+- return -EINVAL;
+
+ fsn_mark = fsnotify_find_inode_mark(group, inode);
+ if (!fsn_mark)
+@@ -632,8 +630,6 @@ static int inotify_new_watch(struct fsnotify_group *group,
+
+ /* don't allow invalid bits: we don't want flags set */
+ mask = inotify_arg_to_mask(arg);
+- if (unlikely(!(mask & IN_ALL_EVENTS)))
+- return -EINVAL;
+
+ tmp_i_mark = kmem_cache_alloc(inotify_inode_mark_cachep, GFP_KERNEL);
+ if (unlikely(!tmp_i_mark))
+diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
+index 6577432..340bd02 100644
+--- a/fs/ocfs2/aops.c
++++ b/fs/ocfs2/aops.c
+@@ -593,9 +593,9 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
+ level = ocfs2_iocb_rw_locked_level(iocb);
+ ocfs2_rw_unlock(inode, level);
+
++ inode_dio_done(inode);
+ if (is_async)
+ aio_complete(iocb, ret, 0);
+- inode_dio_done(inode);
+ }
+
+ /*
+diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
+index 4f7795f..88577eb 100644
+--- a/fs/ocfs2/dlmglue.c
++++ b/fs/ocfs2/dlmglue.c
+@@ -2545,6 +2545,7 @@ int ocfs2_super_lock(struct ocfs2_super *osb,
+ * everything is up to the caller :) */
+ status = ocfs2_should_refresh_lock_res(lockres);
+ if (status < 0) {
++ ocfs2_cluster_unlock(osb, lockres, level);
+ mlog_errno(status);
+ goto bail;
+ }
+@@ -2553,8 +2554,10 @@ int ocfs2_super_lock(struct ocfs2_super *osb,
+
+ ocfs2_complete_lock_res_refresh(lockres, status);
+
+- if (status < 0)
++ if (status < 0) {
++ ocfs2_cluster_unlock(osb, lockres, level);
+ mlog_errno(status);
++ }
+ ocfs2_track_lock_refresh(lockres);
+ }
+ bail:
+diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
+index f169da4..b7e74b5 100644
+--- a/fs/ocfs2/suballoc.c
++++ b/fs/ocfs2/suballoc.c
+@@ -642,7 +642,7 @@ ocfs2_block_group_alloc_discontig(handle_t *handle,
+ * cluster groups will be staying in cache for the duration of
+ * this operation.
+ */
+- ac->ac_allow_chain_relink = 0;
++ ac->ac_disable_chain_relink = 1;
+
+ /* Claim the first region */
+ status = ocfs2_block_group_claim_bits(osb, handle, ac, min_bits,
+@@ -1823,7 +1823,7 @@ static int ocfs2_search_chain(struct ocfs2_alloc_context *ac,
+ * Do this *after* figuring out how many bits we're taking out
+ * of our target group.
+ */
+- if (ac->ac_allow_chain_relink &&
++ if (!ac->ac_disable_chain_relink &&
+ (prev_group_bh) &&
+ (ocfs2_block_group_reasonably_empty(bg, res->sr_bits))) {
+ status = ocfs2_relink_block_group(handle, alloc_inode,
+@@ -1928,7 +1928,6 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
+
+ victim = ocfs2_find_victim_chain(cl);
+ ac->ac_chain = victim;
+- ac->ac_allow_chain_relink = 1;
+
+ status = ocfs2_search_chain(ac, handle, bits_wanted, min_bits,
+ res, &bits_left);
+@@ -1947,7 +1946,7 @@ static int ocfs2_claim_suballoc_bits(struct ocfs2_alloc_context *ac,
+ * searching each chain in order. Don't allow chain relinking
+ * because we only calculate enough journal credits for one
+ * relink per alloc. */
+- ac->ac_allow_chain_relink = 0;
++ ac->ac_disable_chain_relink = 1;
+ for (i = 0; i < le16_to_cpu(cl->cl_next_free_rec); i ++) {
+ if (i == victim)
+ continue;
+diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
+index b8afabf..a36d0aa 100644
+--- a/fs/ocfs2/suballoc.h
++++ b/fs/ocfs2/suballoc.h
+@@ -49,7 +49,7 @@ struct ocfs2_alloc_context {
+
+ /* these are used by the chain search */
+ u16 ac_chain;
+- int ac_allow_chain_relink;
++ int ac_disable_chain_relink;
+ group_search_t *ac_group_search;
+
+ u64 ac_last_group;
+diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
+index 0ba9ea1..2e3ea30 100644
+--- a/fs/ocfs2/xattr.c
++++ b/fs/ocfs2/xattr.c
+@@ -7189,7 +7189,7 @@ int ocfs2_init_security_and_acl(struct inode *dir,
+ struct buffer_head *dir_bh = NULL;
+
+ ret = ocfs2_init_security_get(inode, dir, qstr, NULL);
+- if (!ret) {
++ if (ret) {
+ mlog_errno(ret);
+ goto leave;
+ }
+diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
+index 2d1e0f3..12da9ee 100644
+--- a/fs/pstore/platform.c
++++ b/fs/pstore/platform.c
+@@ -96,6 +96,27 @@ static const char *get_reason_str(enum kmsg_dump_reason reason)
+ }
+ }
+
++bool pstore_cannot_block_path(enum kmsg_dump_reason reason)
++{
++ /*
++ * In case of NMI path, pstore shouldn't be blocked
++ * regardless of reason.
++ */
++ if (in_nmi())
++ return true;
++
++ switch (reason) {
++ /* In panic case, other cpus are stopped by smp_send_stop(). */
++ case KMSG_DUMP_PANIC:
++ /* Emergency restart shouldn't be blocked by spin lock. */
++ case KMSG_DUMP_EMERG:
++ return true;
++ default:
++ return false;
++ }
++}
++EXPORT_SYMBOL_GPL(pstore_cannot_block_path);
++
+ /*
+ * callback from kmsg_dump. (s2,l2) has the most recently
+ * written bytes, older bytes are in (s1,l1). Save as much
+@@ -114,10 +135,12 @@ static void pstore_dump(struct kmsg_dumper *dumper,
+
+ why = get_reason_str(reason);
+
+- if (in_nmi()) {
+- is_locked = spin_trylock(&psinfo->buf_lock);
+- if (!is_locked)
+- pr_err("pstore dump routine blocked in NMI, may corrupt error record\n");
++ if (pstore_cannot_block_path(reason)) {
++ is_locked = spin_trylock_irqsave(&psinfo->buf_lock, flags);
++ if (!is_locked) {
++ pr_err("pstore dump routine blocked in %s path, may corrupt error record\n"
++ , in_nmi() ? "NMI" : why);
++ }
+ } else
+ spin_lock_irqsave(&psinfo->buf_lock, flags);
+ oopscount++;
+@@ -143,9 +166,9 @@ static void pstore_dump(struct kmsg_dumper *dumper,
+ total += hsize + len;
+ part++;
+ }
+- if (in_nmi()) {
++ if (pstore_cannot_block_path(reason)) {
+ if (is_locked)
+- spin_unlock(&psinfo->buf_lock);
++ spin_unlock_irqrestore(&psinfo->buf_lock, flags);
+ } else
+ spin_unlock_irqrestore(&psinfo->buf_lock, flags);
+ }
+diff --git a/fs/splice.c b/fs/splice.c
+index 41514dd..c69fbb7 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -696,8 +696,10 @@ static int pipe_to_sendpage(struct pipe_inode_info *pipe,
+ return -EINVAL;
+
+ more = (sd->flags & SPLICE_F_MORE) ? MSG_MORE : 0;
+- if (sd->len < sd->total_len)
++
++ if (sd->len < sd->total_len && pipe->nrbufs > 1)
+ more |= MSG_SENDPAGE_NOTLAST;
++
+ return file->f_op->sendpage(file, buf->page, buf->offset,
+ sd->len, &pos, more);
+ }
+diff --git a/fs/udf/inode.c b/fs/udf/inode.c
+index aa23346..585ee1c 100644
+--- a/fs/udf/inode.c
++++ b/fs/udf/inode.c
+@@ -574,6 +574,7 @@ static sector_t inode_getblk(struct inode *inode, sector_t block,
+ struct udf_inode_info *iinfo = UDF_I(inode);
+ int goal = 0, pgoal = iinfo->i_location.logicalBlockNum;
+ int lastblock = 0;
++ bool isBeyondEOF;
+
+ *err = 0;
+ *new = 0;
+@@ -653,7 +654,7 @@ static sector_t inode_getblk(struct inode *inode, sector_t block,
+ /* Are we beyond EOF? */
+ if (etype == -1) {
+ int ret;
+-
++ isBeyondEOF = 1;
+ if (count) {
+ if (c)
+ laarr[0] = laarr[1];
+@@ -696,6 +697,7 @@ static sector_t inode_getblk(struct inode *inode, sector_t block,
+ endnum = c + 1;
+ lastblock = 1;
+ } else {
++ isBeyondEOF = 0;
+ endnum = startnum = ((count > 2) ? 2 : count);
+
+ /* if the current extent is in position 0,
+@@ -738,10 +740,13 @@ static sector_t inode_getblk(struct inode *inode, sector_t block,
+ goal, err);
+ if (!newblocknum) {
+ brelse(prev_epos.bh);
++ brelse(cur_epos.bh);
++ brelse(next_epos.bh);
+ *err = -ENOSPC;
+ return 0;
+ }
+- iinfo->i_lenExtents += inode->i_sb->s_blocksize;
++ if (isBeyondEOF)
++ iinfo->i_lenExtents += inode->i_sb->s_blocksize;
+ }
+
+ /* if the extent the requsted block is located in contains multiple
+@@ -768,6 +773,8 @@ static sector_t inode_getblk(struct inode *inode, sector_t block,
+ udf_update_extents(inode, laarr, startnum, endnum, &prev_epos);
+
+ brelse(prev_epos.bh);
++ brelse(cur_epos.bh);
++ brelse(next_epos.bh);
+
+ newblock = udf_get_pblock(inode->i_sb, newblocknum,
+ iinfo->i_location.partitionReferenceNum, 0);
+diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
+index e562dd4..1236b8c 100644
+--- a/fs/xfs/xfs_aops.c
++++ b/fs/xfs/xfs_aops.c
+@@ -86,11 +86,11 @@ xfs_destroy_ioend(
+ }
+
+ if (ioend->io_iocb) {
++ inode_dio_done(ioend->io_inode);
+ if (ioend->io_isasync) {
+ aio_complete(ioend->io_iocb, ioend->io_error ?
+ ioend->io_error : ioend->io_result, 0);
+ }
+- inode_dio_done(ioend->io_inode);
+ }
+
+ mempool_free(ioend, xfs_ioend_pool);
+diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
+index ed6642a..25f01d0 100644
+--- a/include/asm-generic/tlb.h
++++ b/include/asm-generic/tlb.h
+@@ -78,6 +78,14 @@ struct mmu_gather_batch {
+ #define MAX_GATHER_BATCH \
+ ((PAGE_SIZE - sizeof(struct mmu_gather_batch)) / sizeof(void *))
+
++/*
++ * Limit the maximum number of mmu_gather batches to reduce a risk of soft
++ * lockups for non-preemptible kernels on huge machines when a lot of memory
++ * is zapped during unmapping.
++ * 10K pages freed at once should be safe even without a preemption point.
++ */
++#define MAX_GATHER_BATCH_COUNT (10000UL/MAX_GATHER_BATCH)
++
+ /* struct mmu_gather is an opaque type used by the mm code for passing around
+ * any data needed by arch specific code for tlb_remove_page.
+ */
+@@ -96,6 +104,7 @@ struct mmu_gather {
+ struct mmu_gather_batch *active;
+ struct mmu_gather_batch local;
+ struct page *__pages[MMU_GATHER_BUNDLE];
++ unsigned int batch_count;
+ };
+
+ #define HAVE_GENERIC_MMU_GATHER
+diff --git a/include/linux/auto_fs.h b/include/linux/auto_fs.h
+index da64e15..6cdabb4 100644
+--- a/include/linux/auto_fs.h
++++ b/include/linux/auto_fs.h
+@@ -31,25 +31,16 @@
+ #define AUTOFS_MIN_PROTO_VERSION AUTOFS_PROTO_VERSION
+
+ /*
+- * Architectures where both 32- and 64-bit binaries can be executed
+- * on 64-bit kernels need this. This keeps the structure format
+- * uniform, and makes sure the wait_queue_token isn't too big to be
+- * passed back down to the kernel.
+- *
+- * This assumes that on these architectures:
+- * mode 32 bit 64 bit
+- * -------------------------
+- * int 32 bit 32 bit
+- * long 32 bit 64 bit
+- *
+- * If so, 32-bit user-space code should be backwards compatible.
++ * The wait_queue_token (autofs_wqt_t) is part of a structure which is passed
++ * back to the kernel via ioctl from userspace. On architectures where 32- and
++ * 64-bit userspace binaries can be executed it's important that the size of
++ * autofs_wqt_t stays constant between 32- and 64-bit Linux kernels so that we
++ * do not break the binary ABI interface by changing the structure size.
+ */
+-
+-#if defined(__sparc__) || defined(__mips__) || defined(__x86_64__) \
+- || defined(__powerpc__) || defined(__s390__)
+-typedef unsigned int autofs_wqt_t;
+-#else
++#if defined(__ia64__) || defined(__alpha__) /* pure 64bit architectures */
+ typedef unsigned long autofs_wqt_t;
++#else
++typedef unsigned int autofs_wqt_t;
+ #endif
+
+ /* Packet types */
+diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
+index 366422b..eb53e15 100644
+--- a/include/linux/binfmts.h
++++ b/include/linux/binfmts.h
+@@ -128,6 +128,7 @@ extern int setup_arg_pages(struct linux_binprm * bprm,
+ unsigned long stack_top,
+ int executable_stack);
+ extern int bprm_mm_init(struct linux_binprm *bprm);
++extern int bprm_change_interp(char *interp, struct linux_binprm *bprm);
+ extern int copy_strings_kernel(int argc, const char *const *argv,
+ struct linux_binprm *bprm);
+ extern int prepare_bprm_creds(struct linux_binprm *bprm);
+diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
+index 4262478..317aff8 100644
+--- a/include/linux/ceph/libceph.h
++++ b/include/linux/ceph/libceph.h
+@@ -43,7 +43,6 @@ struct ceph_options {
+ struct ceph_entity_addr my_addr;
+ int mount_timeout;
+ int osd_idle_ttl;
+- int osd_timeout;
+ int osd_keepalive_timeout;
+
+ /*
+@@ -63,7 +62,6 @@ struct ceph_options {
+ * defaults
+ */
+ #define CEPH_MOUNT_TIMEOUT_DEFAULT 60
+-#define CEPH_OSD_TIMEOUT_DEFAULT 60 /* seconds */
+ #define CEPH_OSD_KEEPALIVE_DEFAULT 5
+ #define CEPH_OSD_IDLE_TTL_DEFAULT 60
+
+diff --git a/include/linux/console.h b/include/linux/console.h
+index 7201ce4..f59e942 100644
+--- a/include/linux/console.h
++++ b/include/linux/console.h
+@@ -77,7 +77,9 @@ extern const struct consw prom_con; /* SPARC PROM console */
+ int con_is_bound(const struct consw *csw);
+ int register_con_driver(const struct consw *csw, int first, int last);
+ int unregister_con_driver(const struct consw *csw);
++int do_unregister_con_driver(const struct consw *csw);
+ int take_over_console(const struct consw *sw, int first, int last, int deflt);
++int do_take_over_console(const struct consw *sw, int first, int last, int deflt);
+ void give_up_console(const struct consw *sw);
+ #ifdef CONFIG_HW_CONSOLE
+ int con_debug_enter(struct vc_data *vc);
+diff --git a/include/linux/efi.h b/include/linux/efi.h
+index 5782114..eee8b0b 100644
+--- a/include/linux/efi.h
++++ b/include/linux/efi.h
+@@ -539,18 +539,30 @@ extern int __init efi_setup_pcdp_console(char *);
+ #endif
+
+ /*
+- * We play games with efi_enabled so that the compiler will, if possible, remove
+- * EFI-related code altogether.
++ * We play games with efi_enabled so that the compiler will, if
++ * possible, remove EFI-related code altogether.
+ */
++#define EFI_BOOT 0 /* Were we booted from EFI? */
++#define EFI_SYSTEM_TABLES 1 /* Can we use EFI system tables? */
++#define EFI_CONFIG_TABLES 2 /* Can we use EFI config tables? */
++#define EFI_RUNTIME_SERVICES 3 /* Can we use runtime services? */
++#define EFI_MEMMAP 4 /* Can we use EFI memory map? */
++#define EFI_64BIT 5 /* Is the firmware 64-bit? */
++
+ #ifdef CONFIG_EFI
+ # ifdef CONFIG_X86
+- extern int efi_enabled;
+- extern bool efi_64bit;
++extern int efi_enabled(int facility);
+ # else
+-# define efi_enabled 1
++static inline int efi_enabled(int facility)
++{
++ return 1;
++}
+ # endif
+ #else
+-# define efi_enabled 0
++static inline int efi_enabled(int facility)
++{
++ return 0;
++}
+ #endif
+
+ /*
+diff --git a/include/linux/freezer.h b/include/linux/freezer.h
+index d09af4b..ee89932 100644
+--- a/include/linux/freezer.h
++++ b/include/linux/freezer.h
+@@ -75,28 +75,62 @@ static inline bool cgroup_freezing(struct task_struct *task)
+ */
+
+
+-/* Tell the freezer not to count the current task as freezable. */
++/**
++ * freezer_do_not_count - tell freezer to ignore %current
++ *
++ * Tell freezers to ignore the current task when determining whether the
++ * target frozen state is reached. IOW, the current task will be
++ * considered frozen enough by freezers.
++ *
++ * The caller shouldn't do anything which isn't allowed for a frozen task
++ * until freezer_cont() is called. Usually, freezer[_do_not]_count() pair
++ * wrap a scheduling operation and nothing much else.
++ */
+ static inline void freezer_do_not_count(void)
+ {
+ current->flags |= PF_FREEZER_SKIP;
+ }
+
+-/*
+- * Tell the freezer to count the current task as freezable again and try to
+- * freeze it.
++/**
++ * freezer_count - tell freezer to stop ignoring %current
++ *
++ * Undo freezer_do_not_count(). It tells freezers that %current should be
++ * considered again and tries to freeze if freezing condition is already in
++ * effect.
+ */
+ static inline void freezer_count(void)
+ {
+ current->flags &= ~PF_FREEZER_SKIP;
++ /*
++ * If freezing is in progress, the following paired with smp_mb()
++ * in freezer_should_skip() ensures that either we see %true
++ * freezing() or freezer_should_skip() sees !PF_FREEZER_SKIP.
++ */
++ smp_mb();
+ try_to_freeze();
+ }
+
+-/*
+- * Check if the task should be counted as freezable by the freezer
++/**
++ * freezer_should_skip - whether to skip a task when determining frozen
++ * state is reached
++ * @p: task in quesion
++ *
++ * This function is used by freezers after establishing %true freezing() to
++ * test whether a task should be skipped when determining the target frozen
++ * state is reached. IOW, if this function returns %true, @p is considered
++ * frozen enough.
+ */
+-static inline int freezer_should_skip(struct task_struct *p)
++static inline bool freezer_should_skip(struct task_struct *p)
+ {
+- return !!(p->flags & PF_FREEZER_SKIP);
++ /*
++ * The following smp_mb() paired with the one in freezer_count()
++ * ensures that either freezer_count() sees %true freezing() or we
++ * see cleared %PF_FREEZER_SKIP and return %false. This makes it
++ * impossible for a task to slip frozen state testing after
++ * clearing %PF_FREEZER_SKIP.
++ */
++ smp_mb();
++ return p->flags & PF_FREEZER_SKIP;
+ }
+
+ /*
+diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
+index 561e130..9b0c614 100644
+--- a/include/linux/if_vlan.h
++++ b/include/linux/if_vlan.h
+@@ -327,7 +327,7 @@ static inline void vlan_set_encap_proto(struct sk_buff *skb,
+ struct vlan_hdr *vhdr)
+ {
+ __be16 proto;
+- unsigned char *rawp;
++ unsigned short *rawp;
+
+ /*
+ * Was a VLAN packet, grab the encapsulated protocol, which the layer
+@@ -340,8 +340,8 @@ static inline void vlan_set_encap_proto(struct sk_buff *skb,
+ return;
+ }
+
+- rawp = skb->data;
+- if (*(unsigned short *) rawp == 0xFFFF)
++ rawp = (unsigned short *)(vhdr + 1);
++ if (*rawp == 0xFFFF)
+ /*
+ * This is a magic hack to spot IPX packets. Older Novell
+ * breaks the protocol design and runs IPX over 802.3 without
+diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
+index 1d1b1e1..ee2baf0 100644
+--- a/include/linux/mmu_notifier.h
++++ b/include/linux/mmu_notifier.h
+@@ -4,6 +4,7 @@
+ #include <linux/list.h>
+ #include <linux/spinlock.h>
+ #include <linux/mm_types.h>
++#include <linux/srcu.h>
+
+ struct mmu_notifier;
+ struct mmu_notifier_ops;
+diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
+index b5d1384..70473da 100644
+--- a/include/linux/page-flags.h
++++ b/include/linux/page-flags.h
+@@ -362,7 +362,7 @@ static inline void ClearPageCompound(struct page *page)
+ * pages on the LRU and/or pagecache.
+ */
+ TESTPAGEFLAG(Compound, compound)
+-__PAGEFLAG(Head, compound)
++__SETPAGEFLAG(Head, compound) __CLEARPAGEFLAG(Head, compound)
+
+ /*
+ * PG_reclaim is used in combination with PG_compound to mark the
+@@ -374,8 +374,14 @@ __PAGEFLAG(Head, compound)
+ * PG_compound & PG_reclaim => Tail page
+ * PG_compound & ~PG_reclaim => Head page
+ */
++#define PG_head_mask ((1L << PG_compound))
+ #define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim))
+
++static inline int PageHead(struct page *page)
++{
++ return ((page->flags & PG_head_tail_mask) == PG_head_mask);
++}
++
+ static inline int PageTail(struct page *page)
+ {
+ return ((page->flags & PG_head_tail_mask) == PG_head_tail_mask);
+diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
+index 8d3c427..50a6cbe 100644
+--- a/include/linux/pci_ids.h
++++ b/include/linux/pci_ids.h
+@@ -1566,6 +1566,7 @@
+ #define PCI_DEVICE_ID_RICOH_RL5C476 0x0476
+ #define PCI_DEVICE_ID_RICOH_RL5C478 0x0478
+ #define PCI_DEVICE_ID_RICOH_R5C822 0x0822
++#define PCI_DEVICE_ID_RICOH_R5CE822 0xe822
+ #define PCI_DEVICE_ID_RICOH_R5CE823 0xe823
+ #define PCI_DEVICE_ID_RICOH_R5C832 0x0832
+ #define PCI_DEVICE_ID_RICOH_R5C843 0x0843
+diff --git a/include/linux/pstore.h b/include/linux/pstore.h
+index c892587..2e24e22 100644
+--- a/include/linux/pstore.h
++++ b/include/linux/pstore.h
+@@ -74,12 +74,18 @@ static inline void pstore_ftrace_call(unsigned long ip, unsigned long parent_ip)
+
+ #ifdef CONFIG_PSTORE
+ extern int pstore_register(struct pstore_info *);
++extern bool pstore_cannot_block_path(enum kmsg_dump_reason reason);
+ #else
+ static inline int
+ pstore_register(struct pstore_info *psi)
+ {
+ return -ENODEV;
+ }
++static inline bool
++pstore_cannot_block_path(enum kmsg_dump_reason reason)
++{
++ return false;
++}
+ #endif
+
+ #endif /*_LINUX_PSTORE_H*/
+diff --git a/include/linux/quota.h b/include/linux/quota.h
+index 524ede8..2a0327e 100644
+--- a/include/linux/quota.h
++++ b/include/linux/quota.h
+@@ -417,6 +417,7 @@ struct quota_module_name {
+ #define INIT_QUOTA_MODULE_NAMES {\
+ {QFMT_VFS_OLD, "quota_v1"},\
+ {QFMT_VFS_V0, "quota_v2"},\
++ {QFMT_VFS_V1, "quota_v2"},\
+ {0, NULL}}
+
+ #endif /* __KERNEL__ */
+diff --git a/include/linux/sched.h b/include/linux/sched.h
+index 23bddac..d2bbc12 100644
+--- a/include/linux/sched.h
++++ b/include/linux/sched.h
+@@ -2684,7 +2684,16 @@ static inline void thread_group_cputime_init(struct signal_struct *sig)
+ extern void recalc_sigpending_and_wake(struct task_struct *t);
+ extern void recalc_sigpending(void);
+
+-extern void signal_wake_up(struct task_struct *t, int resume_stopped);
++extern void signal_wake_up_state(struct task_struct *t, unsigned int state);
++
++static inline void signal_wake_up(struct task_struct *t, bool resume)
++{
++ signal_wake_up_state(t, resume ? TASK_WAKEKILL : 0);
++}
++static inline void ptrace_signal_wake_up(struct task_struct *t, bool resume)
++{
++ signal_wake_up_state(t, resume ? __TASK_TRACED : 0);
++}
+
+ /*
+ * Wrappers for p->thread_info->cpu access. No-op on UP.
+diff --git a/include/linux/usb/audio.h b/include/linux/usb/audio.h
+index a54b825..6f8b026 100644
+--- a/include/linux/usb/audio.h
++++ b/include/linux/usb/audio.h
+@@ -384,14 +384,16 @@ static inline __u8 uac_processing_unit_iProcessing(struct uac_processing_unit_de
+ int protocol)
+ {
+ __u8 control_size = uac_processing_unit_bControlSize(desc, protocol);
+- return desc->baSourceID[desc->bNrInPins + control_size];
++ return *(uac_processing_unit_bmControls(desc, protocol)
++ + control_size);
+ }
+
+ static inline __u8 *uac_processing_unit_specific(struct uac_processing_unit_descriptor *desc,
+ int protocol)
+ {
+ __u8 control_size = uac_processing_unit_bControlSize(desc, protocol);
+- return &desc->baSourceID[desc->bNrInPins + control_size + 1];
++ return uac_processing_unit_bmControls(desc, protocol)
++ + control_size + 1;
+ }
+
+ /* 4.5.2 Class-Specific AS Interface Descriptor */
+diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
+index d1d732c..17de73a 100644
+--- a/include/linux/usb/ch9.h
++++ b/include/linux/usb/ch9.h
+@@ -152,6 +152,12 @@
+ #define USB_INTRF_FUNC_SUSPEND_LP (1 << (8 + 0))
+ #define USB_INTRF_FUNC_SUSPEND_RW (1 << (8 + 1))
+
++/*
++ * Interface status, Figure 9-5 USB 3.0 spec
++ */
++#define USB_INTRF_STAT_FUNC_RW_CAP 1
++#define USB_INTRF_STAT_FUNC_RW 2
++
+ #define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */
+
+ /* Bit array elements as returned by the USB_REQ_GET_STATUS request. */
+diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
+index 50ae7d0..e8d6571 100644
+--- a/include/linux/vt_kern.h
++++ b/include/linux/vt_kern.h
+@@ -47,6 +47,7 @@ int con_set_cmap(unsigned char __user *cmap);
+ int con_get_cmap(unsigned char __user *cmap);
+ void scrollback(struct vc_data *vc, int lines);
+ void scrollfront(struct vc_data *vc, int lines);
++void clear_buffer_attributes(struct vc_data *vc);
+ void update_region(struct vc_data *vc, unsigned long start, int count);
+ void redraw_screen(struct vc_data *vc, int is_switch);
+ #define update_screen(x) redraw_screen(x, 0)
+@@ -130,6 +131,8 @@ void vt_event_post(unsigned int event, unsigned int old, unsigned int new);
+ int vt_waitactive(int n);
+ void change_console(struct vc_data *new_vc);
+ void reset_vc(struct vc_data *vc);
++extern int do_unbind_con_driver(const struct consw *csw, int first, int last,
++ int deflt);
+ extern int unbind_con_driver(const struct consw *csw, int first, int last,
+ int deflt);
+ int vty_init(const struct file_operations *console_fops);
+diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
+index 9e34c87..f071f50 100644
+--- a/include/net/inet6_hashtables.h
++++ b/include/net/inet6_hashtables.h
+@@ -28,16 +28,16 @@
+
+ struct inet_hashinfo;
+
+-/* I have no idea if this is a good hash for v6 or not. -DaveM */
+ static inline unsigned int inet6_ehashfn(struct net *net,
+ const struct in6_addr *laddr, const u16 lport,
+ const struct in6_addr *faddr, const __be16 fport)
+ {
+- u32 ports = (lport ^ (__force u16)fport);
++ u32 ports = (((u32)lport) << 16) | (__force u32)fport;
+
+ return jhash_3words((__force u32)laddr->s6_addr32[3],
+- (__force u32)faddr->s6_addr32[3],
+- ports, inet_ehash_secret + net_hash_mix(net));
++ ipv6_addr_jhash(faddr),
++ ports,
++ inet_ehash_secret + net_hash_mix(net));
+ }
+
+ static inline int inet6_sk_ehashfn(const struct sock *sk)
+diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
+index ba1d361..1832927 100644
+--- a/include/net/inet_connection_sock.h
++++ b/include/net/inet_connection_sock.h
+@@ -318,6 +318,7 @@ extern void inet_csk_reqsk_queue_prune(struct sock *parent,
+ const unsigned long max_rto);
+
+ extern void inet_csk_destroy_sock(struct sock *sk);
++extern void inet_csk_prepare_forced_close(struct sock *sk);
+
+ /*
+ * LISTEN is a special case for poll..
+diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
+index 613cfa4..8eac4a9 100644
+--- a/include/net/inet_sock.h
++++ b/include/net/inet_sock.h
+@@ -203,6 +203,7 @@ static inline void inet_sk_copy_descendant(struct sock *sk_to,
+ extern int inet_sk_rebuild_header(struct sock *sk);
+
+ extern u32 inet_ehash_secret;
++extern u32 ipv6_hash_secret;
+ extern void build_ehash_secret(void);
+
+ static inline unsigned int inet_ehashfn(struct net *net,
+diff --git a/include/net/ipv6.h b/include/net/ipv6.h
+index 01c34b3..640591f 100644
+--- a/include/net/ipv6.h
++++ b/include/net/ipv6.h
+@@ -15,6 +15,7 @@
+
+ #include <linux/ipv6.h>
+ #include <linux/hardirq.h>
++#include <linux/jhash.h>
+ #include <net/if_inet6.h>
+ #include <net/ndisc.h>
+ #include <net/flow.h>
+@@ -432,6 +433,17 @@ static inline u32 ipv6_addr_hash(const struct in6_addr *a)
+ #endif
+ }
+
++/* more secured version of ipv6_addr_hash() */
++static inline u32 ipv6_addr_jhash(const struct in6_addr *a)
++{
++ u32 v = (__force u32)a->s6_addr32[0] ^ (__force u32)a->s6_addr32[1];
++
++ return jhash_3words(v,
++ (__force u32)a->s6_addr32[2],
++ (__force u32)a->s6_addr32[3],
++ ipv6_hash_secret);
++}
++
+ static inline bool ipv6_addr_loopback(const struct in6_addr *a)
+ {
+ return (a->s6_addr32[0] | a->s6_addr32[1] |
+diff --git a/include/net/sock.h b/include/net/sock.h
+index adb7da2..450a2af 100644
+--- a/include/net/sock.h
++++ b/include/net/sock.h
+@@ -1012,7 +1012,7 @@ static inline void sk_refcnt_debug_dec(struct sock *sk)
+ sk->sk_prot->name, sk, atomic_read(&sk->sk_prot->socks));
+ }
+
+-inline void sk_refcnt_debug_release(const struct sock *sk)
++static inline void sk_refcnt_debug_release(const struct sock *sk)
+ {
+ if (atomic_read(&sk->sk_refcnt) != 1)
+ printk(KERN_DEBUG "Destruction of the %s socket %p delayed, refcnt=%d\n",
+diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
+index 5be8937..fca8bbe 100644
+--- a/include/target/target_core_base.h
++++ b/include/target/target_core_base.h
+@@ -734,6 +734,8 @@ struct se_subsystem_dev {
+ };
+
+ struct se_device {
++#define SE_DEV_LINK_MAGIC 0xfeeddeef
++ u32 dev_link_magic;
+ /* RELATIVE TARGET PORT IDENTIFER Counter */
+ u16 dev_rpti_counter;
+ /* Used for SAM Task Attribute ordering */
+@@ -820,6 +822,8 @@ struct se_port_stat_grps {
+ };
+
+ struct se_lun {
++#define SE_LUN_LINK_MAGIC 0xffff7771
++ u32 lun_link_magic;
+ /* See transport_lun_status_table */
+ enum transport_lun_status_table lun_status;
+ u32 lun_access;
+diff --git a/init/main.c b/init/main.c
+index d61ec54..5973f47 100644
+--- a/init/main.c
++++ b/init/main.c
+@@ -603,7 +603,7 @@ asmlinkage void __init start_kernel(void)
+ pidmap_init();
+ anon_vma_init();
+ #ifdef CONFIG_X86
+- if (efi_enabled)
++ if (efi_enabled(EFI_RUNTIME_SERVICES))
+ efi_enter_virtual_mode();
+ #endif
+ thread_info_cache_init();
+@@ -631,7 +631,7 @@ asmlinkage void __init start_kernel(void)
+ acpi_early_init(); /* before LAPIC and SMP init */
+ sfi_init_late();
+
+- if (efi_enabled)
++ if (efi_enabled(EFI_RUNTIME_SERVICES))
+ efi_free_boot_services();
+
+ ftrace_init();
+diff --git a/kernel/cgroup.c b/kernel/cgroup.c
+index ff2bce5..2cd3492 100644
+--- a/kernel/cgroup.c
++++ b/kernel/cgroup.c
+@@ -422,12 +422,20 @@ static void __put_css_set(struct css_set *cg, int taskexit)
+ struct cgroup *cgrp = link->cgrp;
+ list_del(&link->cg_link_list);
+ list_del(&link->cgrp_link_list);
++
++ /*
++ * We may not be holding cgroup_mutex, and if cgrp->count is
++ * dropped to 0 the cgroup can be destroyed at any time, hence
++ * rcu_read_lock is used to keep it alive.
++ */
++ rcu_read_lock();
+ if (atomic_dec_and_test(&cgrp->count) &&
+ notify_on_release(cgrp)) {
+ if (taskexit)
+ set_bit(CGRP_RELEASABLE, &cgrp->flags);
+ check_for_release(cgrp);
+ }
++ rcu_read_unlock();
+
+ kfree(link);
+ }
+@@ -2635,9 +2643,7 @@ static int cgroup_create_dir(struct cgroup *cgrp, struct dentry *dentry,
+ dentry->d_fsdata = cgrp;
+ inc_nlink(parent->d_inode);
+ rcu_assign_pointer(cgrp->dentry, dentry);
+- dget(dentry);
+ }
+- dput(dentry);
+
+ return error;
+ }
+diff --git a/kernel/cpuset.c b/kernel/cpuset.c
+index f33c715..01abde2 100644
+--- a/kernel/cpuset.c
++++ b/kernel/cpuset.c
+@@ -2519,8 +2519,16 @@ void cpuset_print_task_mems_allowed(struct task_struct *tsk)
+
+ dentry = task_cs(tsk)->css.cgroup->dentry;
+ spin_lock(&cpuset_buffer_lock);
+- snprintf(cpuset_name, CPUSET_NAME_LEN,
+- dentry ? (const char *)dentry->d_name.name : "/");
++
++ if (!dentry) {
++ strcpy(cpuset_name, "/");
++ } else {
++ spin_lock(&dentry->d_lock);
++ strlcpy(cpuset_name, (const char *)dentry->d_name.name,
++ CPUSET_NAME_LEN);
++ spin_unlock(&dentry->d_lock);
++ }
++
+ nodelist_scnprintf(cpuset_nodelist, CPUSET_NODELIST_LEN,
+ tsk->mems_allowed);
+ printk(KERN_INFO "%s cpuset=%s mems_allowed=%s\n",
+diff --git a/kernel/futex.c b/kernel/futex.c
+index 19eb089..8879430 100644
+--- a/kernel/futex.c
++++ b/kernel/futex.c
+@@ -2471,8 +2471,6 @@ SYSCALL_DEFINE3(get_robust_list, int, pid,
+ if (!futex_cmpxchg_enabled)
+ return -ENOSYS;
+
+- WARN_ONCE(1, "deprecated: get_robust_list will be deleted in 2013.\n");
+-
+ rcu_read_lock();
+
+ ret = -ESRCH;
+diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
+index 83e368b..a9642d5 100644
+--- a/kernel/futex_compat.c
++++ b/kernel/futex_compat.c
+@@ -142,8 +142,6 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
+ if (!futex_cmpxchg_enabled)
+ return -ENOSYS;
+
+- WARN_ONCE(1, "deprecated: get_robust_list will be deleted in 2013.\n");
+-
+ rcu_read_lock();
+
+ ret = -ESRCH;
+diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
+index 6db7a5e..cdd5607 100644
+--- a/kernel/hrtimer.c
++++ b/kernel/hrtimer.c
+@@ -640,21 +640,9 @@ static inline void hrtimer_init_hres(struct hrtimer_cpu_base *base)
+ * and expiry check is done in the hrtimer_interrupt or in the softirq.
+ */
+ static inline int hrtimer_enqueue_reprogram(struct hrtimer *timer,
+- struct hrtimer_clock_base *base,
+- int wakeup)
++ struct hrtimer_clock_base *base)
+ {
+- if (base->cpu_base->hres_active && hrtimer_reprogram(timer, base)) {
+- if (wakeup) {
+- raw_spin_unlock(&base->cpu_base->lock);
+- raise_softirq_irqoff(HRTIMER_SOFTIRQ);
+- raw_spin_lock(&base->cpu_base->lock);
+- } else
+- __raise_softirq_irqoff(HRTIMER_SOFTIRQ);
+-
+- return 1;
+- }
+-
+- return 0;
++ return base->cpu_base->hres_active && hrtimer_reprogram(timer, base);
+ }
+
+ static inline ktime_t hrtimer_update_base(struct hrtimer_cpu_base *base)
+@@ -735,8 +723,7 @@ static inline int hrtimer_switch_to_hres(void) { return 0; }
+ static inline void
+ hrtimer_force_reprogram(struct hrtimer_cpu_base *base, int skip_equal) { }
+ static inline int hrtimer_enqueue_reprogram(struct hrtimer *timer,
+- struct hrtimer_clock_base *base,
+- int wakeup)
++ struct hrtimer_clock_base *base)
+ {
+ return 0;
+ }
+@@ -995,8 +982,21 @@ int __hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
+ *
+ * XXX send_remote_softirq() ?
+ */
+- if (leftmost && new_base->cpu_base == &__get_cpu_var(hrtimer_bases))
+- hrtimer_enqueue_reprogram(timer, new_base, wakeup);
++ if (leftmost && new_base->cpu_base == &__get_cpu_var(hrtimer_bases)
++ && hrtimer_enqueue_reprogram(timer, new_base)) {
++ if (wakeup) {
++ /*
++ * We need to drop cpu_base->lock to avoid a
++ * lock ordering issue vs. rq->lock.
++ */
++ raw_spin_unlock(&new_base->cpu_base->lock);
++ raise_softirq_irqoff(HRTIMER_SOFTIRQ);
++ local_irq_restore(flags);
++ return ret;
++ } else {
++ __raise_softirq_irqoff(HRTIMER_SOFTIRQ);
++ }
++ }
+
+ unlock_hrtimer_base(timer, &flags);
+
+diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
+index 4c69326..e48caf8 100644
+--- a/kernel/irq/manage.c
++++ b/kernel/irq/manage.c
+@@ -716,6 +716,7 @@ static void
+ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action)
+ {
+ cpumask_var_t mask;
++ bool valid = true;
+
+ if (!test_and_clear_bit(IRQTF_AFFINITY, &action->thread_flags))
+ return;
+@@ -730,10 +731,18 @@ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action)
+ }
+
+ raw_spin_lock_irq(&desc->lock);
+- cpumask_copy(mask, desc->irq_data.affinity);
++ /*
++ * This code is triggered unconditionally. Check the affinity
++ * mask pointer. For CPU_MASK_OFFSTACK=n this is optimized out.
++ */
++ if (desc->irq_data.affinity)
++ cpumask_copy(mask, desc->irq_data.affinity);
++ else
++ valid = false;
+ raw_spin_unlock_irq(&desc->lock);
+
+- set_cpus_allowed_ptr(current, mask);
++ if (valid)
++ set_cpus_allowed_ptr(current, mask);
+ free_cpumask_var(mask);
+ }
+ #else
+@@ -936,6 +945,16 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
+ */
+ get_task_struct(t);
+ new->thread = t;
++ /*
++ * Tell the thread to set its affinity. This is
++ * important for shared interrupt handlers as we do
++ * not invoke setup_affinity() for the secondary
++ * handlers as everything is already set up. Even for
++ * interrupts marked with IRQF_NO_BALANCE this is
++ * correct as we want the thread to move to the cpu(s)
++ * on which the requesting code placed the interrupt.
++ */
++ set_bit(IRQTF_AFFINITY, &new->thread_flags);
+ }
+
+ if (!alloc_cpumask_var(&mask, GFP_KERNEL)) {
+diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
+index 611cd60..7b5f012 100644
+--- a/kernel/irq/spurious.c
++++ b/kernel/irq/spurious.c
+@@ -80,13 +80,11 @@ static int try_one_irq(int irq, struct irq_desc *desc, bool force)
+
+ /*
+ * All handlers must agree on IRQF_SHARED, so we test just the
+- * first. Check for action->next as well.
++ * first.
+ */
+ action = desc->action;
+ if (!action || !(action->flags & IRQF_SHARED) ||
+- (action->flags & __IRQF_TIMER) ||
+- (action->handler(irq, action->dev_id) == IRQ_HANDLED) ||
+- !action->next)
++ (action->flags & __IRQF_TIMER))
+ goto out;
+
+ /* Already running on another processor */
+@@ -104,6 +102,7 @@ static int try_one_irq(int irq, struct irq_desc *desc, bool force)
+ do {
+ if (handle_irq_event(desc) == IRQ_HANDLED)
+ ret = IRQ_HANDLED;
++ /* Make sure that there is still a valid action */
+ action = desc->action;
+ } while ((desc->istate & IRQS_PENDING) && action);
+ desc->istate &= ~IRQS_POLL_INPROGRESS;
+diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
+index 125cb67..acbb79c 100644
+--- a/kernel/posix-cpu-timers.c
++++ b/kernel/posix-cpu-timers.c
+@@ -1422,8 +1422,10 @@ static int do_cpu_nanosleep(const clockid_t which_clock, int flags,
+ while (!signal_pending(current)) {
+ if (timer.it.cpu.expires.sched == 0) {
+ /*
+- * Our timer fired and was reset.
++ * Our timer fired and was reset, below
++ * deletion can not fail.
+ */
++ posix_cpu_timer_del(&timer);
+ spin_unlock_irq(&timer.it_lock);
+ return 0;
+ }
+@@ -1441,9 +1443,26 @@ static int do_cpu_nanosleep(const clockid_t which_clock, int flags,
+ * We were interrupted by a signal.
+ */
+ sample_to_timespec(which_clock, timer.it.cpu.expires, rqtp);
+- posix_cpu_timer_set(&timer, 0, &zero_it, it);
++ error = posix_cpu_timer_set(&timer, 0, &zero_it, it);
++ if (!error) {
++ /*
++ * Timer is now unarmed, deletion can not fail.
++ */
++ posix_cpu_timer_del(&timer);
++ }
+ spin_unlock_irq(&timer.it_lock);
+
++ while (error == TIMER_RETRY) {
++ /*
++ * We need to handle case when timer was or is in the
++ * middle of firing. In other cases we already freed
++ * resources.
++ */
++ spin_lock_irq(&timer.it_lock);
++ error = posix_cpu_timer_del(&timer);
++ spin_unlock_irq(&timer.it_lock);
++ }
++
+ if ((it->it_value.tv_sec | it->it_value.tv_nsec) == 0) {
+ /*
+ * It actually did fire already.
+diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
+index 69185ae..e885be1 100644
+--- a/kernel/posix-timers.c
++++ b/kernel/posix-timers.c
+@@ -639,6 +639,13 @@ static struct k_itimer *__lock_timer(timer_t timer_id, unsigned long *flags)
+ {
+ struct k_itimer *timr;
+
++ /*
++ * timer_t could be any type >= int and we want to make sure any
++ * @timer_id outside positive int range fails lookup.
++ */
++ if ((unsigned long long)timer_id > INT_MAX)
++ return NULL;
++
+ rcu_read_lock();
+ timr = idr_find(&posix_timers_id, (int)timer_id);
+ if (timr) {
+diff --git a/kernel/ptrace.c b/kernel/ptrace.c
+index a232bb5..b96de86b4 100644
+--- a/kernel/ptrace.c
++++ b/kernel/ptrace.c
+@@ -117,11 +117,45 @@ void __ptrace_unlink(struct task_struct *child)
+ * TASK_KILLABLE sleeps.
+ */
+ if (child->jobctl & JOBCTL_STOP_PENDING || task_is_traced(child))
+- signal_wake_up(child, task_is_traced(child));
++ ptrace_signal_wake_up(child, true);
+
+ spin_unlock(&child->sighand->siglock);
+ }
+
++/* Ensure that nothing can wake it up, even SIGKILL */
++static bool ptrace_freeze_traced(struct task_struct *task)
++{
++ bool ret = false;
++
++ /* Lockless, nobody but us can set this flag */
++ if (task->jobctl & JOBCTL_LISTENING)
++ return ret;
++
++ spin_lock_irq(&task->sighand->siglock);
++ if (task_is_traced(task) && !__fatal_signal_pending(task)) {
++ task->state = __TASK_TRACED;
++ ret = true;
++ }
++ spin_unlock_irq(&task->sighand->siglock);
++
++ return ret;
++}
++
++static void ptrace_unfreeze_traced(struct task_struct *task)
++{
++ if (task->state != __TASK_TRACED)
++ return;
++
++ WARN_ON(!task->ptrace || task->parent != current);
++
++ spin_lock_irq(&task->sighand->siglock);
++ if (__fatal_signal_pending(task))
++ wake_up_state(task, __TASK_TRACED);
++ else
++ task->state = TASK_TRACED;
++ spin_unlock_irq(&task->sighand->siglock);
++}
++
+ /**
+ * ptrace_check_attach - check whether ptracee is ready for ptrace operation
+ * @child: ptracee to check for
+@@ -151,24 +185,29 @@ int ptrace_check_attach(struct task_struct *child, bool ignore_state)
+ * be changed by us so it's not changing right after this.
+ */
+ read_lock(&tasklist_lock);
+- if ((child->ptrace & PT_PTRACED) && child->parent == current) {
++ if (child->ptrace && child->parent == current) {
++ WARN_ON(child->state == __TASK_TRACED);
+ /*
+ * child->sighand can't be NULL, release_task()
+ * does ptrace_unlink() before __exit_signal().
+ */
+- spin_lock_irq(&child->sighand->siglock);
+- WARN_ON_ONCE(task_is_stopped(child));
+- if (ignore_state || (task_is_traced(child) &&
+- !(child->jobctl & JOBCTL_LISTENING)))
++ if (ignore_state || ptrace_freeze_traced(child))
+ ret = 0;
+- spin_unlock_irq(&child->sighand->siglock);
+ }
+ read_unlock(&tasklist_lock);
+
+- if (!ret && !ignore_state)
+- ret = wait_task_inactive(child, TASK_TRACED) ? 0 : -ESRCH;
++ if (!ret && !ignore_state) {
++ if (!wait_task_inactive(child, __TASK_TRACED)) {
++ /*
++ * This can only happen if may_ptrace_stop() fails and
++ * ptrace_stop() changes ->state back to TASK_RUNNING,
++ * so we should not worry about leaking __TASK_TRACED.
++ */
++ WARN_ON(child->state == __TASK_TRACED);
++ ret = -ESRCH;
++ }
++ }
+
+- /* All systems go.. */
+ return ret;
+ }
+
+@@ -310,7 +349,7 @@ static int ptrace_attach(struct task_struct *task, long request,
+ */
+ if (task_is_stopped(task) &&
+ task_set_jobctl_pending(task, JOBCTL_TRAP_STOP | JOBCTL_TRAPPING))
+- signal_wake_up(task, 1);
++ signal_wake_up_state(task, __TASK_STOPPED);
+
+ spin_unlock(&task->sighand->siglock);
+
+@@ -727,7 +766,7 @@ int ptrace_request(struct task_struct *child, long request,
+ * tracee into STOP.
+ */
+ if (likely(task_set_jobctl_pending(child, JOBCTL_TRAP_STOP)))
+- signal_wake_up(child, child->jobctl & JOBCTL_LISTENING);
++ ptrace_signal_wake_up(child, child->jobctl & JOBCTL_LISTENING);
+
+ unlock_task_sighand(child, &flags);
+ ret = 0;
+@@ -753,7 +792,7 @@ int ptrace_request(struct task_struct *child, long request,
+ * start of this trap and now. Trigger re-trap.
+ */
+ if (child->jobctl & JOBCTL_TRAP_NOTIFY)
+- signal_wake_up(child, true);
++ ptrace_signal_wake_up(child, true);
+ ret = 0;
+ }
+ unlock_task_sighand(child, &flags);
+@@ -890,6 +929,8 @@ SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr,
+ goto out_put_task_struct;
+
+ ret = arch_ptrace(child, request, addr, data);
++ if (ret || request != PTRACE_DETACH)
++ ptrace_unfreeze_traced(child);
+
+ out_put_task_struct:
+ put_task_struct(child);
+@@ -1029,8 +1070,11 @@ asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
+
+ ret = ptrace_check_attach(child, request == PTRACE_KILL ||
+ request == PTRACE_INTERRUPT);
+- if (!ret)
++ if (!ret) {
+ ret = compat_arch_ptrace(child, request, addr, data);
++ if (ret || request != PTRACE_DETACH)
++ ptrace_unfreeze_traced(child);
++ }
+
+ out_put_task_struct:
+ put_task_struct(child);
+diff --git a/kernel/resource.c b/kernel/resource.c
+index 34d4588..73f35d4 100644
+--- a/kernel/resource.c
++++ b/kernel/resource.c
+@@ -763,6 +763,7 @@ static void __init __reserve_region_with_split(struct resource *root,
+ struct resource *parent = root;
+ struct resource *conflict;
+ struct resource *res = kzalloc(sizeof(*res), GFP_ATOMIC);
++ struct resource *next_res = NULL;
+
+ if (!res)
+ return;
+@@ -772,21 +773,46 @@ static void __init __reserve_region_with_split(struct resource *root,
+ res->end = end;
+ res->flags = IORESOURCE_BUSY;
+
+- conflict = __request_resource(parent, res);
+- if (!conflict)
+- return;
++ while (1) {
+
+- /* failed, split and try again */
+- kfree(res);
++ conflict = __request_resource(parent, res);
++ if (!conflict) {
++ if (!next_res)
++ break;
++ res = next_res;
++ next_res = NULL;
++ continue;
++ }
+
+- /* conflict covered whole area */
+- if (conflict->start <= start && conflict->end >= end)
+- return;
++ /* conflict covered whole area */
++ if (conflict->start <= res->start &&
++ conflict->end >= res->end) {
++ kfree(res);
++ WARN_ON(next_res);
++ break;
++ }
++
++ /* failed, split and try again */
++ if (conflict->start > res->start) {
++ end = res->end;
++ res->end = conflict->start - 1;
++ if (conflict->end < end) {
++ next_res = kzalloc(sizeof(*next_res),
++ GFP_ATOMIC);
++ if (!next_res) {
++ kfree(res);
++ break;
++ }
++ next_res->name = name;
++ next_res->start = conflict->end + 1;
++ next_res->end = end;
++ next_res->flags = IORESOURCE_BUSY;
++ }
++ } else {
++ res->start = conflict->end + 1;
++ }
++ }
+
+- if (conflict->start > start)
+- __reserve_region_with_split(root, start, conflict->start-1, name);
+- if (conflict->end < end)
+- __reserve_region_with_split(root, conflict->end+1, end, name);
+ }
+
+ void __init reserve_region_with_split(struct resource *root,
+diff --git a/kernel/sched/core.c b/kernel/sched/core.c
+index 1a48cdb..5eb6c96 100644
+--- a/kernel/sched/core.c
++++ b/kernel/sched/core.c
+@@ -1686,7 +1686,8 @@ out:
+ */
+ int wake_up_process(struct task_struct *p)
+ {
+- return try_to_wake_up(p, TASK_ALL, 0);
++ WARN_ON(task_is_stopped_or_traced(p));
++ return try_to_wake_up(p, TASK_NORMAL, 0);
+ }
+ EXPORT_SYMBOL(wake_up_process);
+
+diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
+index e0b7ba9..71e2fcc 100644
+--- a/kernel/sched/rt.c
++++ b/kernel/sched/rt.c
+@@ -566,7 +566,7 @@ static inline struct rt_bandwidth *sched_rt_bandwidth(struct rt_rq *rt_rq)
+ static int do_balance_runtime(struct rt_rq *rt_rq)
+ {
+ struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq);
+- struct root_domain *rd = cpu_rq(smp_processor_id())->rd;
++ struct root_domain *rd = rq_of_rt_rq(rt_rq)->rd;
+ int i, weight, more = 0;
+ u64 rt_period;
+
+diff --git a/kernel/signal.c b/kernel/signal.c
+index be4f856..67b64be 100644
+--- a/kernel/signal.c
++++ b/kernel/signal.c
+@@ -678,23 +678,17 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info)
+ * No need to set need_resched since signal event passing
+ * goes through ->blocked
+ */
+-void signal_wake_up(struct task_struct *t, int resume)
++void signal_wake_up_state(struct task_struct *t, unsigned int state)
+ {
+- unsigned int mask;
+-
+ set_tsk_thread_flag(t, TIF_SIGPENDING);
+-
+ /*
+- * For SIGKILL, we want to wake it up in the stopped/traced/killable
++ * TASK_WAKEKILL also means wake it up in the stopped/traced/killable
+ * case. We don't check t->state here because there is a race with it
+ * executing another processor and just now entering stopped state.
+ * By using wake_up_state, we ensure the process will wake up and
+ * handle its death signal.
+ */
+- mask = TASK_INTERRUPTIBLE;
+- if (resume)
+- mask |= TASK_WAKEKILL;
+- if (!wake_up_state(t, mask))
++ if (!wake_up_state(t, state | TASK_INTERRUPTIBLE))
+ kick_process(t);
+ }
+
+@@ -842,7 +836,7 @@ static void ptrace_trap_notify(struct task_struct *t)
+ assert_spin_locked(&t->sighand->siglock);
+
+ task_set_jobctl_pending(t, JOBCTL_TRAP_NOTIFY);
+- signal_wake_up(t, t->jobctl & JOBCTL_LISTENING);
++ ptrace_signal_wake_up(t, t->jobctl & JOBCTL_LISTENING);
+ }
+
+ /*
+@@ -1797,6 +1791,10 @@ static inline int may_ptrace_stop(void)
+ * If SIGKILL was already sent before the caller unlocked
+ * ->siglock we must see ->core_state != NULL. Otherwise it
+ * is safe to enter schedule().
++ *
++ * This is almost outdated, a task with the pending SIGKILL can't
++ * block in TASK_TRACED. But PTRACE_EVENT_EXIT can be reported
++ * after SIGKILL was already dequeued.
+ */
+ if (unlikely(current->mm->core_state) &&
+ unlikely(current->mm == current->parent->mm))
+@@ -1922,6 +1920,7 @@ static void ptrace_stop(int exit_code, int why, int clear_code, siginfo_t *info)
+ if (gstop_done)
+ do_notify_parent_cldstop(current, false, why);
+
++ /* tasklist protects us from ptrace_freeze_traced() */
+ __set_current_state(TASK_RUNNING);
+ if (clear_code)
+ current->exit_code = 0;
+diff --git a/kernel/smp.c b/kernel/smp.c
+index 29dd40a..69f38bd 100644
+--- a/kernel/smp.c
++++ b/kernel/smp.c
+@@ -33,6 +33,7 @@ struct call_function_data {
+ struct call_single_data csd;
+ atomic_t refs;
+ cpumask_var_t cpumask;
++ cpumask_var_t cpumask_ipi;
+ };
+
+ static DEFINE_PER_CPU_SHARED_ALIGNED(struct call_function_data, cfd_data);
+@@ -56,6 +57,9 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
+ if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL,
+ cpu_to_node(cpu)))
+ return notifier_from_errno(-ENOMEM);
++ if (!zalloc_cpumask_var_node(&cfd->cpumask_ipi, GFP_KERNEL,
++ cpu_to_node(cpu)))
++ return notifier_from_errno(-ENOMEM);
+ break;
+
+ #ifdef CONFIG_HOTPLUG_CPU
+@@ -65,6 +69,7 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu)
+ case CPU_DEAD:
+ case CPU_DEAD_FROZEN:
+ free_cpumask_var(cfd->cpumask);
++ free_cpumask_var(cfd->cpumask_ipi);
+ break;
+ #endif
+ };
+@@ -526,6 +531,12 @@ void smp_call_function_many(const struct cpumask *mask,
+ return;
+ }
+
++ /*
++ * After we put an entry into the list, data->cpumask
++ * may be cleared again when another CPU sends another IPI for
++ * a SMP function call, so data->cpumask will be zero.
++ */
++ cpumask_copy(data->cpumask_ipi, data->cpumask);
+ raw_spin_lock_irqsave(&call_function.lock, flags);
+ /*
+ * Place entry at the _HEAD_ of the list, so that any cpu still
+@@ -549,7 +560,7 @@ void smp_call_function_many(const struct cpumask *mask,
+ smp_mb();
+
+ /* Send a message to all CPUs in the map */
+- arch_send_call_function_ipi_mask(data->cpumask);
++ arch_send_call_function_ipi_mask(data->cpumask_ipi);
+
+ /* Optionally wait for the CPUs to complete */
+ if (wait)
+diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
+index 65bdcf1..c2f6d47 100644
+--- a/kernel/sysctl_binary.c
++++ b/kernel/sysctl_binary.c
+@@ -1194,9 +1194,10 @@ static ssize_t bin_dn_node_address(struct file *file,
+
+ /* Convert the decnet address to binary */
+ result = -EIO;
+- nodep = strchr(buf, '.') + 1;
++ nodep = strchr(buf, '.');
+ if (!nodep)
+ goto out;
++ ++nodep;
+
+ area = simple_strtoul(buf, NULL, 10);
+ node = simple_strtoul(nodep, NULL, 10);
+diff --git a/kernel/timeconst.pl b/kernel/timeconst.pl
+index eb51d76..3f42652 100644
+--- a/kernel/timeconst.pl
++++ b/kernel/timeconst.pl
+@@ -369,10 +369,8 @@ if ($hz eq '--can') {
+ die "Usage: $0 HZ\n";
+ }
+
+- @val = @{$canned_values{$hz}};
+- if (!defined(@val)) {
+- @val = compute_values($hz);
+- }
++ $cv = $canned_values{$hz};
++ @val = defined($cv) ? @$cv : compute_values($hz);
+ output($hz, @val);
+ }
+ exit 0;
+diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
+index 781ecc2..384699f 100644
+--- a/kernel/trace/ftrace.c
++++ b/kernel/trace/ftrace.c
+@@ -3835,35 +3835,49 @@ static void ftrace_init_module(struct module *mod,
+ ftrace_process_locs(mod, start, end);
+ }
+
+-static int ftrace_module_notify(struct notifier_block *self,
+- unsigned long val, void *data)
++static int ftrace_module_notify_enter(struct notifier_block *self,
++ unsigned long val, void *data)
+ {
+ struct module *mod = data;
+
+- switch (val) {
+- case MODULE_STATE_COMING:
++ if (val == MODULE_STATE_COMING)
+ ftrace_init_module(mod, mod->ftrace_callsites,
+ mod->ftrace_callsites +
+ mod->num_ftrace_callsites);
+- break;
+- case MODULE_STATE_GOING:
++ return 0;
++}
++
++static int ftrace_module_notify_exit(struct notifier_block *self,
++ unsigned long val, void *data)
++{
++ struct module *mod = data;
++
++ if (val == MODULE_STATE_GOING)
+ ftrace_release_mod(mod);
+- break;
+- }
+
+ return 0;
+ }
+ #else
+-static int ftrace_module_notify(struct notifier_block *self,
+- unsigned long val, void *data)
++static int ftrace_module_notify_enter(struct notifier_block *self,
++ unsigned long val, void *data)
++{
++ return 0;
++}
++static int ftrace_module_notify_exit(struct notifier_block *self,
++ unsigned long val, void *data)
+ {
+ return 0;
+ }
+ #endif /* CONFIG_MODULES */
+
+-struct notifier_block ftrace_module_nb = {
+- .notifier_call = ftrace_module_notify,
+- .priority = 0,
++struct notifier_block ftrace_module_enter_nb = {
++ .notifier_call = ftrace_module_notify_enter,
++ .priority = INT_MAX, /* Run before anything that can use kprobes */
++};
++
++struct notifier_block ftrace_module_exit_nb = {
++ .notifier_call = ftrace_module_notify_exit,
++ .priority = INT_MIN, /* Run after anything that can remove kprobes */
+ };
+
+ extern unsigned long __start_mcount_loc[];
+@@ -3897,9 +3911,13 @@ void __init ftrace_init(void)
+ __start_mcount_loc,
+ __stop_mcount_loc);
+
+- ret = register_module_notifier(&ftrace_module_nb);
++ ret = register_module_notifier(&ftrace_module_enter_nb);
++ if (ret)
++ pr_warning("Failed to register trace ftrace module enter notifier\n");
++
++ ret = register_module_notifier(&ftrace_module_exit_nb);
+ if (ret)
+- pr_warning("Failed to register trace ftrace module notifier\n");
++ pr_warning("Failed to register trace ftrace module exit notifier\n");
+
+ set_ftrace_early_filters();
+
+diff --git a/lib/atomic64.c b/lib/atomic64.c
+index 9785378..08a4f06 100644
+--- a/lib/atomic64.c
++++ b/lib/atomic64.c
+@@ -31,7 +31,11 @@
+ static union {
+ raw_spinlock_t lock;
+ char pad[L1_CACHE_BYTES];
+-} atomic64_lock[NR_LOCKS] __cacheline_aligned_in_smp;
++} atomic64_lock[NR_LOCKS] __cacheline_aligned_in_smp = {
++ [0 ... (NR_LOCKS - 1)] = {
++ .lock = __RAW_SPIN_LOCK_UNLOCKED(atomic64_lock.lock),
++ },
++};
+
+ static inline raw_spinlock_t *lock_addr(const atomic64_t *v)
+ {
+@@ -173,14 +177,3 @@ int atomic64_add_unless(atomic64_t *v, long long a, long long u)
+ return ret;
+ }
+ EXPORT_SYMBOL(atomic64_add_unless);
+-
+-static int init_atomic64_lock(void)
+-{
+- int i;
+-
+- for (i = 0; i < NR_LOCKS; ++i)
+- raw_spin_lock_init(&atomic64_lock[i].lock);
+- return 0;
+-}
+-
+-pure_initcall(init_atomic64_lock);
+diff --git a/lib/digsig.c b/lib/digsig.c
+index 8c0e629..dc2be7e 100644
+--- a/lib/digsig.c
++++ b/lib/digsig.c
+@@ -162,6 +162,8 @@ static int digsig_verify_rsa(struct key *key,
+ memset(out1, 0, head);
+ memcpy(out1 + head, p, l);
+
++ kfree(p);
++
+ err = pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len);
+ if (err)
+ goto err;
+diff --git a/lib/idr.c b/lib/idr.c
+index 4046e29..e90d2d0 100644
+--- a/lib/idr.c
++++ b/lib/idr.c
+@@ -625,7 +625,14 @@ void *idr_get_next(struct idr *idp, int *nextidp)
+ return p;
+ }
+
+- id += 1 << n;
++ /*
++ * Proceed to the next layer at the current level. Unlike
++ * idr_for_each(), @id isn't guaranteed to be aligned to
++ * layer boundary at this point and adding 1 << n may
++ * incorrectly skip IDs. Make sure we jump to the
++ * beginning of the next layer using round_up().
++ */
++ id = round_up(id + 1, 1 << n);
+ while (n < fls(id)) {
+ n += IDR_BITS;
+ p = *--paa;
+diff --git a/mm/compaction.c b/mm/compaction.c
+index 7fcd3a5..214944a 100644
+--- a/mm/compaction.c
++++ b/mm/compaction.c
+@@ -956,7 +956,7 @@ static int compact_node(int nid)
+ }
+
+ /* Compact all nodes in the system */
+-static int compact_nodes(void)
++static void compact_nodes(void)
+ {
+ int nid;
+
+@@ -965,8 +965,6 @@ static int compact_nodes(void)
+
+ for_each_online_node(nid)
+ compact_node(nid);
+-
+- return COMPACT_COMPLETE;
+ }
+
+ /* The written value is actually unused, all memory is compacted */
+@@ -977,7 +975,7 @@ int sysctl_compaction_handler(struct ctl_table *table, int write,
+ void __user *buffer, size_t *length, loff_t *ppos)
+ {
+ if (write)
+- return compact_nodes();
++ compact_nodes();
+
+ return 0;
+ }
+diff --git a/mm/fadvise.c b/mm/fadvise.c
+index 9b75a04..69f317d 100644
+--- a/mm/fadvise.c
++++ b/mm/fadvise.c
+@@ -17,6 +17,7 @@
+ #include <linux/fadvise.h>
+ #include <linux/writeback.h>
+ #include <linux/syscalls.h>
++#include <linux/swap.h>
+
+ #include <asm/unistd.h>
+
+@@ -120,9 +121,22 @@ SYSCALL_DEFINE(fadvise64_64)(int fd, loff_t offset, loff_t len, int advice)
+ start_index = (offset+(PAGE_CACHE_SIZE-1)) >> PAGE_CACHE_SHIFT;
+ end_index = (endbyte >> PAGE_CACHE_SHIFT);
+
+- if (end_index >= start_index)
+- invalidate_mapping_pages(mapping, start_index,
++ if (end_index >= start_index) {
++ unsigned long count = invalidate_mapping_pages(mapping,
++ start_index, end_index);
++
++ /*
++ * If fewer pages were invalidated than expected then
++ * it is possible that some of the pages were on
++ * a per-cpu pagevec for a remote CPU. Drain all
++ * pagevecs and try again.
++ */
++ if (count < (end_index - start_index + 1)) {
++ lru_add_drain_all();
++ invalidate_mapping_pages(mapping, start_index,
+ end_index);
++ }
++ }
+ break;
+ default:
+ ret = -EINVAL;
+diff --git a/mm/memory.c b/mm/memory.c
+index 5736170..29ffb5c 100644
+--- a/mm/memory.c
++++ b/mm/memory.c
+@@ -182,10 +182,14 @@ static int tlb_next_batch(struct mmu_gather *tlb)
+ return 1;
+ }
+
++ if (tlb->batch_count == MAX_GATHER_BATCH_COUNT)
++ return 0;
++
+ batch = (void *)__get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);
+ if (!batch)
+ return 0;
+
++ tlb->batch_count++;
+ batch->next = NULL;
+ batch->nr = 0;
+ batch->max = MAX_GATHER_BATCH;
+@@ -214,6 +218,7 @@ void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm)
+ tlb->local.nr = 0;
+ tlb->local.max = ARRAY_SIZE(tlb->__pages);
+ tlb->active = &tlb->local;
++ tlb->batch_count = 0;
+
+ #ifdef CONFIG_HAVE_RCU_TABLE_FREE
+ tlb->batch = NULL;
+diff --git a/mm/mempolicy.c b/mm/mempolicy.c
+index 01350d3..5e0fea1 100644
+--- a/mm/mempolicy.c
++++ b/mm/mempolicy.c
+@@ -2370,8 +2370,7 @@ void numa_default_policy(void)
+ */
+
+ /*
+- * "local" is pseudo-policy: MPOL_PREFERRED with MPOL_F_LOCAL flag
+- * Used only for mpol_parse_str() and mpol_to_str()
++ * "local" is implemented internally by MPOL_PREFERRED with MPOL_F_LOCAL flag.
+ */
+ #define MPOL_LOCAL MPOL_MAX
+ static const char * const policy_modes[] =
+@@ -2386,28 +2385,21 @@ static const char * const policy_modes[] =
+
+ #ifdef CONFIG_TMPFS
+ /**
+- * mpol_parse_str - parse string to mempolicy
++ * mpol_parse_str - parse string to mempolicy, for tmpfs mpol mount option.
+ * @str: string containing mempolicy to parse
+ * @mpol: pointer to struct mempolicy pointer, returned on success.
+- * @no_context: flag whether to "contextualize" the mempolicy
++ * @unused: redundant argument, to be removed later.
+ *
+ * Format of input:
+ * <mode>[=<flags>][:<nodelist>]
+ *
+- * if @no_context is true, save the input nodemask in w.user_nodemask in
+- * the returned mempolicy. This will be used to "clone" the mempolicy in
+- * a specific context [cpuset] at a later time. Used to parse tmpfs mpol
+- * mount option. Note that if 'static' or 'relative' mode flags were
+- * specified, the input nodemask will already have been saved. Saving
+- * it again is redundant, but safe.
+- *
+ * On success, returns 0, else 1
+ */
+-int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
++int mpol_parse_str(char *str, struct mempolicy **mpol, int unused)
+ {
+ struct mempolicy *new = NULL;
+ unsigned short mode;
+- unsigned short uninitialized_var(mode_flags);
++ unsigned short mode_flags;
+ nodemask_t nodes;
+ char *nodelist = strchr(str, ':');
+ char *flags = strchr(str, '=');
+@@ -2495,24 +2487,23 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
+ if (IS_ERR(new))
+ goto out;
+
+- if (no_context) {
+- /* save for contextualization */
+- new->w.user_nodemask = nodes;
+- } else {
+- int ret;
+- NODEMASK_SCRATCH(scratch);
+- if (scratch) {
+- task_lock(current);
+- ret = mpol_set_nodemask(new, &nodes, scratch);
+- task_unlock(current);
+- } else
+- ret = -ENOMEM;
+- NODEMASK_SCRATCH_FREE(scratch);
+- if (ret) {
+- mpol_put(new);
+- goto out;
+- }
+- }
++ /*
++ * Save nodes for mpol_to_str() to show the tmpfs mount options
++ * for /proc/mounts, /proc/pid/mounts and /proc/pid/mountinfo.
++ */
++ if (mode != MPOL_PREFERRED)
++ new->v.nodes = nodes;
++ else if (nodelist)
++ new->v.preferred_node = first_node(nodes);
++ else
++ new->flags |= MPOL_F_LOCAL;
++
++ /*
++ * Save nodes for contextualization: this will be used to "clone"
++ * the mempolicy in a specific context [cpuset] at a later time.
++ */
++ new->w.user_nodemask = nodes;
++
+ err = 0;
+
+ out:
+@@ -2532,13 +2523,13 @@ out:
+ * @buffer: to contain formatted mempolicy string
+ * @maxlen: length of @buffer
+ * @pol: pointer to mempolicy to be formatted
+- * @no_context: "context free" mempolicy - use nodemask in w.user_nodemask
++ * @unused: redundant argument, to be removed later.
+ *
+ * Convert a mempolicy into a string.
+ * Returns the number of characters in buffer (if positive)
+ * or an error (negative)
+ */
+-int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context)
++int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int unused)
+ {
+ char *p = buffer;
+ int l;
+@@ -2564,7 +2555,7 @@ int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context)
+ case MPOL_PREFERRED:
+ nodes_clear(nodes);
+ if (flags & MPOL_F_LOCAL)
+- mode = MPOL_LOCAL; /* pseudo-policy */
++ mode = MPOL_LOCAL;
+ else
+ node_set(pol->v.preferred_node, nodes);
+ break;
+@@ -2572,10 +2563,7 @@ int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, int no_context)
+ case MPOL_BIND:
+ /* Fall through */
+ case MPOL_INTERLEAVE:
+- if (no_context)
+- nodes = pol->w.user_nodemask;
+- else
+- nodes = pol->v.nodes;
++ nodes = pol->v.nodes;
+ break;
+
+ default:
+diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
+index 862b608..8d1ca2d 100644
+--- a/mm/mmu_notifier.c
++++ b/mm/mmu_notifier.c
+@@ -14,10 +14,14 @@
+ #include <linux/export.h>
+ #include <linux/mm.h>
+ #include <linux/err.h>
++#include <linux/srcu.h>
+ #include <linux/rcupdate.h>
+ #include <linux/sched.h>
+ #include <linux/slab.h>
+
++/* global SRCU for all MMs */
++static struct srcu_struct srcu;
++
+ /*
+ * This function can't run concurrently against mmu_notifier_register
+ * because mm->mm_users > 0 during mmu_notifier_register and exit_mmap
+@@ -25,58 +29,61 @@
+ * in parallel despite there being no task using this mm any more,
+ * through the vmas outside of the exit_mmap context, such as with
+ * vmtruncate. This serializes against mmu_notifier_unregister with
+- * the mmu_notifier_mm->lock in addition to RCU and it serializes
+- * against the other mmu notifiers with RCU. struct mmu_notifier_mm
++ * the mmu_notifier_mm->lock in addition to SRCU and it serializes
++ * against the other mmu notifiers with SRCU. struct mmu_notifier_mm
+ * can't go away from under us as exit_mmap holds an mm_count pin
+ * itself.
+ */
+ void __mmu_notifier_release(struct mm_struct *mm)
+ {
+ struct mmu_notifier *mn;
+- struct hlist_node *n;
++ int id;
+
+ /*
+- * RCU here will block mmu_notifier_unregister until
+- * ->release returns.
++ * srcu_read_lock() here will block synchronize_srcu() in
++ * mmu_notifier_unregister() until all registered
++ * ->release() callouts this function makes have
++ * returned.
+ */
+- rcu_read_lock();
+- hlist_for_each_entry_rcu(mn, n, &mm->mmu_notifier_mm->list, hlist)
+- /*
+- * if ->release runs before mmu_notifier_unregister it
+- * must be handled as it's the only way for the driver
+- * to flush all existing sptes and stop the driver
+- * from establishing any more sptes before all the
+- * pages in the mm are freed.
+- */
+- if (mn->ops->release)
+- mn->ops->release(mn, mm);
+- rcu_read_unlock();
+-
++ id = srcu_read_lock(&srcu);
+ spin_lock(&mm->mmu_notifier_mm->lock);
+ while (unlikely(!hlist_empty(&mm->mmu_notifier_mm->list))) {
+ mn = hlist_entry(mm->mmu_notifier_mm->list.first,
+ struct mmu_notifier,
+ hlist);
++
+ /*
+- * We arrived before mmu_notifier_unregister so
+- * mmu_notifier_unregister will do nothing other than
+- * to wait ->release to finish and
+- * mmu_notifier_unregister to return.
++ * Unlink. This will prevent mmu_notifier_unregister()
++ * from also making the ->release() callout.
+ */
+ hlist_del_init_rcu(&mn->hlist);
++ spin_unlock(&mm->mmu_notifier_mm->lock);
++
++ /*
++ * Clear sptes. (see 'release' description in mmu_notifier.h)
++ */
++ if (mn->ops->release)
++ mn->ops->release(mn, mm);
++
++ spin_lock(&mm->mmu_notifier_mm->lock);
+ }
+ spin_unlock(&mm->mmu_notifier_mm->lock);
+
+ /*
+- * synchronize_rcu here prevents mmu_notifier_release to
+- * return to exit_mmap (which would proceed freeing all pages
+- * in the mm) until the ->release method returns, if it was
+- * invoked by mmu_notifier_unregister.
+- *
+- * The mmu_notifier_mm can't go away from under us because one
+- * mm_count is hold by exit_mmap.
++ * All callouts to ->release() which we have done are complete.
++ * Allow synchronize_srcu() in mmu_notifier_unregister() to complete
++ */
++ srcu_read_unlock(&srcu, id);
++
++ /*
++ * mmu_notifier_unregister() may have unlinked a notifier and may
++ * still be calling out to it. Additionally, other notifiers
++ * may have been active via vmtruncate() et. al. Block here
++ * to ensure that all notifier callouts for this mm have been
++ * completed and the sptes are really cleaned up before returning
++ * to exit_mmap().
+ */
+- synchronize_rcu();
++ synchronize_srcu(&srcu);
+ }
+
+ /*
+@@ -89,14 +96,14 @@ int __mmu_notifier_clear_flush_young(struct mm_struct *mm,
+ {
+ struct mmu_notifier *mn;
+ struct hlist_node *n;
+- int young = 0;
++ int young = 0, id;
+
+- rcu_read_lock();
++ id = srcu_read_lock(&srcu);
+ hlist_for_each_entry_rcu(mn, n, &mm->mmu_notifier_mm->list, hlist) {
+ if (mn->ops->clear_flush_young)
+ young |= mn->ops->clear_flush_young(mn, mm, address);
+ }
+- rcu_read_unlock();
++ srcu_read_unlock(&srcu, id);
+
+ return young;
+ }
+@@ -106,9 +113,9 @@ int __mmu_notifier_test_young(struct mm_struct *mm,
+ {
+ struct mmu_notifier *mn;
+ struct hlist_node *n;
+- int young = 0;
++ int young = 0, id;
+
+- rcu_read_lock();
++ id = srcu_read_lock(&srcu);
+ hlist_for_each_entry_rcu(mn, n, &mm->mmu_notifier_mm->list, hlist) {
+ if (mn->ops->test_young) {
+ young = mn->ops->test_young(mn, mm, address);
+@@ -116,7 +123,7 @@ int __mmu_notifier_test_young(struct mm_struct *mm,
+ break;
+ }
+ }
+- rcu_read_unlock();
++ srcu_read_unlock(&srcu, id);
+
+ return young;
+ }
+@@ -126,8 +133,9 @@ void __mmu_notifier_change_pte(struct mm_struct *mm, unsigned long address,
+ {
+ struct mmu_notifier *mn;
+ struct hlist_node *n;
++ int id;
+
+- rcu_read_lock();
++ id = srcu_read_lock(&srcu);
+ hlist_for_each_entry_rcu(mn, n, &mm->mmu_notifier_mm->list, hlist) {
+ if (mn->ops->change_pte)
+ mn->ops->change_pte(mn, mm, address, pte);
+@@ -138,7 +146,7 @@ void __mmu_notifier_change_pte(struct mm_struct *mm, unsigned long address,
+ else if (mn->ops->invalidate_page)
+ mn->ops->invalidate_page(mn, mm, address);
+ }
+- rcu_read_unlock();
++ srcu_read_unlock(&srcu, id);
+ }
+
+ void __mmu_notifier_invalidate_page(struct mm_struct *mm,
+@@ -146,13 +154,14 @@ void __mmu_notifier_invalidate_page(struct mm_struct *mm,
+ {
+ struct mmu_notifier *mn;
+ struct hlist_node *n;
++ int id;
+
+- rcu_read_lock();
++ id = srcu_read_lock(&srcu);
+ hlist_for_each_entry_rcu(mn, n, &mm->mmu_notifier_mm->list, hlist) {
+ if (mn->ops->invalidate_page)
+ mn->ops->invalidate_page(mn, mm, address);
+ }
+- rcu_read_unlock();
++ srcu_read_unlock(&srcu, id);
+ }
+
+ void __mmu_notifier_invalidate_range_start(struct mm_struct *mm,
+@@ -160,13 +169,14 @@ void __mmu_notifier_invalidate_range_start(struct mm_struct *mm,
+ {
+ struct mmu_notifier *mn;
+ struct hlist_node *n;
++ int id;
+
+- rcu_read_lock();
++ id = srcu_read_lock(&srcu);
+ hlist_for_each_entry_rcu(mn, n, &mm->mmu_notifier_mm->list, hlist) {
+ if (mn->ops->invalidate_range_start)
+ mn->ops->invalidate_range_start(mn, mm, start, end);
+ }
+- rcu_read_unlock();
++ srcu_read_unlock(&srcu, id);
+ }
+
+ void __mmu_notifier_invalidate_range_end(struct mm_struct *mm,
+@@ -174,13 +184,14 @@ void __mmu_notifier_invalidate_range_end(struct mm_struct *mm,
+ {
+ struct mmu_notifier *mn;
+ struct hlist_node *n;
++ int id;
+
+- rcu_read_lock();
++ id = srcu_read_lock(&srcu);
+ hlist_for_each_entry_rcu(mn, n, &mm->mmu_notifier_mm->list, hlist) {
+ if (mn->ops->invalidate_range_end)
+ mn->ops->invalidate_range_end(mn, mm, start, end);
+ }
+- rcu_read_unlock();
++ srcu_read_unlock(&srcu, id);
+ }
+
+ static int do_mmu_notifier_register(struct mmu_notifier *mn,
+@@ -192,6 +203,12 @@ static int do_mmu_notifier_register(struct mmu_notifier *mn,
+
+ BUG_ON(atomic_read(&mm->mm_users) <= 0);
+
++ /*
++ * Verify that mmu_notifier_init() already run and the global srcu is
++ * initialized.
++ */
++ BUG_ON(!srcu.per_cpu_ref);
++
+ ret = -ENOMEM;
+ mmu_notifier_mm = kmalloc(sizeof(struct mmu_notifier_mm), GFP_KERNEL);
+ if (unlikely(!mmu_notifier_mm))
+@@ -274,8 +291,8 @@ void __mmu_notifier_mm_destroy(struct mm_struct *mm)
+ /*
+ * This releases the mm_count pin automatically and frees the mm
+ * structure if it was the last user of it. It serializes against
+- * running mmu notifiers with RCU and against mmu_notifier_unregister
+- * with the unregister lock + RCU. All sptes must be dropped before
++ * running mmu notifiers with SRCU and against mmu_notifier_unregister
++ * with the unregister lock + SRCU. All sptes must be dropped before
+ * calling mmu_notifier_unregister. ->release or any other notifier
+ * method may be invoked concurrently with mmu_notifier_unregister,
+ * and only after mmu_notifier_unregister returned we're guaranteed
+@@ -285,35 +302,43 @@ void mmu_notifier_unregister(struct mmu_notifier *mn, struct mm_struct *mm)
+ {
+ BUG_ON(atomic_read(&mm->mm_count) <= 0);
+
++ spin_lock(&mm->mmu_notifier_mm->lock);
+ if (!hlist_unhashed(&mn->hlist)) {
+- /*
+- * RCU here will force exit_mmap to wait ->release to finish
+- * before freeing the pages.
+- */
+- rcu_read_lock();
++ int id;
+
+ /*
+- * exit_mmap will block in mmu_notifier_release to
+- * guarantee ->release is called before freeing the
+- * pages.
++ * Ensure we synchronize up with __mmu_notifier_release().
+ */
++ id = srcu_read_lock(&srcu);
++
++ hlist_del_rcu(&mn->hlist);
++ spin_unlock(&mm->mmu_notifier_mm->lock);
++
+ if (mn->ops->release)
+ mn->ops->release(mn, mm);
+- rcu_read_unlock();
+
+- spin_lock(&mm->mmu_notifier_mm->lock);
+- hlist_del_rcu(&mn->hlist);
++ /*
++ * Allow __mmu_notifier_release() to complete.
++ */
++ srcu_read_unlock(&srcu, id);
++ } else
+ spin_unlock(&mm->mmu_notifier_mm->lock);
+- }
+
+ /*
+- * Wait any running method to finish, of course including
+- * ->release if it was run by mmu_notifier_relase instead of us.
++ * Wait for any running method to finish, including ->release() if it
++ * was run by __mmu_notifier_release() instead of us.
+ */
+- synchronize_rcu();
++ synchronize_srcu(&srcu);
+
+ BUG_ON(atomic_read(&mm->mm_count) <= 0);
+
+ mmdrop(mm);
+ }
+ EXPORT_SYMBOL_GPL(mmu_notifier_unregister);
++
++static int __init mmu_notifier_init(void)
++{
++ return init_srcu_struct(&srcu);
++}
++
++module_init(mmu_notifier_init);
+diff --git a/mm/page-writeback.c b/mm/page-writeback.c
+index 5ad5ce2..7a5f842 100644
+--- a/mm/page-writeback.c
++++ b/mm/page-writeback.c
+@@ -201,6 +201,18 @@ static unsigned long highmem_dirtyable_memory(unsigned long total)
+ zone_reclaimable_pages(z) - z->dirty_balance_reserve;
+ }
+ /*
++ * Unreclaimable memory (kernel memory or anonymous memory
++ * without swap) can bring down the dirtyable pages below
++ * the zone's dirty balance reserve and the above calculation
++ * will underflow. However we still want to add in nodes
++ * which are below threshold (negative values) to get a more
++ * accurate calculation but make sure that the total never
++ * underflows.
++ */
++ if ((long)x < 0)
++ x = 0;
++
++ /*
+ * Make sure that the number of highmem pages is never larger
+ * than the number of the total dirtyable memory. This can only
+ * occur in very strange VM situations but we want to make sure
+@@ -222,8 +234,8 @@ static unsigned long global_dirtyable_memory(void)
+ {
+ unsigned long x;
+
+- x = global_page_state(NR_FREE_PAGES) + global_reclaimable_pages() -
+- dirty_balance_reserve;
++ x = global_page_state(NR_FREE_PAGES) + global_reclaimable_pages();
++ x -= min(x, dirty_balance_reserve);
+
+ if (!vm_highmem_is_dirtyable)
+ x -= highmem_dirtyable_memory(x);
+@@ -290,9 +302,12 @@ static unsigned long zone_dirtyable_memory(struct zone *zone)
+ * highmem zone can hold its share of dirty pages, so we don't
+ * care about vm_highmem_is_dirtyable here.
+ */
+- return zone_page_state(zone, NR_FREE_PAGES) +
+- zone_reclaimable_pages(zone) -
+- zone->dirty_balance_reserve;
++ unsigned long nr_pages = zone_page_state(zone, NR_FREE_PAGES) +
++ zone_reclaimable_pages(zone);
++
++ /* don't allow this to underflow */
++ nr_pages -= min(nr_pages, zone->dirty_balance_reserve);
++ return nr_pages;
+ }
+
+ /**
+diff --git a/mm/page_alloc.c b/mm/page_alloc.c
+index d2d8f54..fa27e78 100644
+--- a/mm/page_alloc.c
++++ b/mm/page_alloc.c
+@@ -4315,10 +4315,11 @@ static void __meminit calculate_node_totalpages(struct pglist_data *pgdat,
+ * round what is now in bits to nearest long in bits, then return it in
+ * bytes.
+ */
+-static unsigned long __init usemap_size(unsigned long zonesize)
++static unsigned long __init usemap_size(unsigned long zone_start_pfn, unsigned long zonesize)
+ {
+ unsigned long usemapsize;
+
++ zonesize += zone_start_pfn & (pageblock_nr_pages-1);
+ usemapsize = roundup(zonesize, pageblock_nr_pages);
+ usemapsize = usemapsize >> pageblock_order;
+ usemapsize *= NR_PAGEBLOCK_BITS;
+@@ -4328,17 +4329,19 @@ static unsigned long __init usemap_size(unsigned long zonesize)
+ }
+
+ static void __init setup_usemap(struct pglist_data *pgdat,
+- struct zone *zone, unsigned long zonesize)
++ struct zone *zone,
++ unsigned long zone_start_pfn,
++ unsigned long zonesize)
+ {
+- unsigned long usemapsize = usemap_size(zonesize);
++ unsigned long usemapsize = usemap_size(zone_start_pfn, zonesize);
+ zone->pageblock_flags = NULL;
+ if (usemapsize)
+ zone->pageblock_flags = alloc_bootmem_node_nopanic(pgdat,
+ usemapsize);
+ }
+ #else
+-static inline void setup_usemap(struct pglist_data *pgdat,
+- struct zone *zone, unsigned long zonesize) {}
++static inline void setup_usemap(struct pglist_data *pgdat, struct zone *zone,
++ unsigned long zone_start_pfn, unsigned long zonesize) {}
+ #endif /* CONFIG_SPARSEMEM */
+
+ #ifdef CONFIG_HUGETLB_PAGE_SIZE_VARIABLE
+@@ -4461,7 +4464,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
+ continue;
+
+ set_pageblock_order();
+- setup_usemap(pgdat, zone, size);
++ setup_usemap(pgdat, zone, zone_start_pfn, size);
+ ret = init_currently_empty_zone(zone, zone_start_pfn,
+ size, MEMMAP_EARLY);
+ BUG_ON(ret);
+@@ -5455,7 +5458,7 @@ static inline int pfn_to_bitidx(struct zone *zone, unsigned long pfn)
+ pfn &= (PAGES_PER_SECTION-1);
+ return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS;
+ #else
+- pfn = pfn - zone->zone_start_pfn;
++ pfn = pfn - round_down(zone->zone_start_pfn, pageblock_nr_pages);
+ return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS;
+ #endif /* CONFIG_SPARSEMEM */
+ }
+diff --git a/mm/shmem.c b/mm/shmem.c
+index 6607fee..1a497d1 100644
+--- a/mm/shmem.c
++++ b/mm/shmem.c
+@@ -2543,6 +2543,7 @@ static int shmem_remount_fs(struct super_block *sb, int *flags, char *data)
+ unsigned long inodes;
+ int error = -EINVAL;
+
++ config.mpol = NULL;
+ if (shmem_parse_options(data, &config, true))
+ return error;
+
+@@ -2567,8 +2568,13 @@ static int shmem_remount_fs(struct super_block *sb, int *flags, char *data)
+ sbinfo->max_inodes = config.max_inodes;
+ sbinfo->free_inodes = config.max_inodes - inodes;
+
+- mpol_put(sbinfo->mpol);
+- sbinfo->mpol = config.mpol; /* transfers initial ref */
++ /*
++ * Preserve previous mempolicy unless mpol remount option was specified.
++ */
++ if (config.mpol) {
++ mpol_put(sbinfo->mpol);
++ sbinfo->mpol = config.mpol; /* transfers initial ref */
++ }
+ out:
+ spin_unlock(&sbinfo->stat_lock);
+ return error;
+diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
+index 469daab..1476f26 100644
+--- a/net/batman-adv/bat_iv_ogm.c
++++ b/net/batman-adv/bat_iv_ogm.c
+@@ -119,7 +119,7 @@ batadv_iv_ogm_emit_send_time(const struct batadv_priv *bat_priv)
+ unsigned int msecs;
+
+ msecs = atomic_read(&bat_priv->orig_interval) - BATADV_JITTER;
+- msecs += (random32() % 2 * BATADV_JITTER);
++ msecs += random32() % (2 * BATADV_JITTER);
+
+ return jiffies + msecs_to_jiffies(msecs);
+ }
+diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
+index 0b997c8..aeb0962 100644
+--- a/net/bluetooth/hci_core.c
++++ b/net/bluetooth/hci_core.c
+@@ -1789,6 +1789,8 @@ void hci_unregister_dev(struct hci_dev *hdev)
+ for (i = 0; i < NUM_REASSEMBLY; i++)
+ kfree_skb(hdev->reassembly[i]);
+
++ cancel_work_sync(&hdev->power_on);
++
+ if (!test_bit(HCI_INIT, &hdev->flags) &&
+ !test_bit(HCI_SETUP, &hdev->dev_flags)) {
+ hci_dev_lock(hdev);
+diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
+index 715d7e3..67d1893 100644
+--- a/net/bluetooth/hci_event.c
++++ b/net/bluetooth/hci_event.c
+@@ -2387,7 +2387,7 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+ if (ev->opcode != HCI_OP_NOP)
+ del_timer(&hdev->cmd_timer);
+
+- if (ev->ncmd) {
++ if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
+ atomic_set(&hdev->cmd_cnt, 1);
+ if (!skb_queue_empty(&hdev->cmd_q))
+ queue_work(hdev->workqueue, &hdev->cmd_work);
+diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
+index ccd985d..03652f3 100644
+--- a/net/bluetooth/hidp/core.c
++++ b/net/bluetooth/hidp/core.c
+@@ -931,7 +931,7 @@ static int hidp_setup_hid(struct hidp_session *session,
+ hid->version = req->version;
+ hid->country = req->country;
+
+- strncpy(hid->name, req->name, 128);
++ strncpy(hid->name, req->name, sizeof(req->name) - 1);
+ strncpy(hid->phys, batostr(&bt_sk(session->ctrl_sock->sk)->src), 64);
+ strncpy(hid->uniq, batostr(&bt_sk(session->ctrl_sock->sk)->dst), 64);
+
+diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
+index 1a17850..32893a0 100644
+--- a/net/bluetooth/rfcomm/sock.c
++++ b/net/bluetooth/rfcomm/sock.c
+@@ -467,7 +467,7 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
+ long timeo;
+ int err = 0;
+
+- lock_sock(sk);
++ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
+
+ if (sk->sk_type != SOCK_STREAM) {
+ err = -EINVAL;
+@@ -504,7 +504,7 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
+
+ release_sock(sk);
+ timeo = schedule_timeout(timeo);
+- lock_sock(sk);
++ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
+ }
+ __set_current_state(TASK_RUNNING);
+ remove_wait_queue(sk_sleep(sk), &wait);
+diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
+index 2ac8d50..b7320fc 100644
+--- a/net/bluetooth/smp.c
++++ b/net/bluetooth/smp.c
+@@ -859,6 +859,19 @@ int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb)
+
+ skb_pull(skb, sizeof(code));
+
++ /*
++ * The SMP context must be initialized for all other PDUs except
++ * pairing and security requests. If we get any other PDU when
++ * not initialized simply disconnect (done if this function
++ * returns an error).
++ */
++ if (code != SMP_CMD_PAIRING_REQ && code != SMP_CMD_SECURITY_REQ &&
++ !conn->smp_chan) {
++ BT_ERR("Unexpected SMP command 0x%02x. Disconnecting.", code);
++ kfree_skb(skb);
++ return -ENOTSUPP;
++ }
++
+ switch (code) {
+ case SMP_CMD_PAIRING_REQ:
+ reason = smp_cmd_pairing_req(conn, skb);
+diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
+index 68e8f36..fe43bc7 100644
+--- a/net/bridge/br_netfilter.c
++++ b/net/bridge/br_netfilter.c
+@@ -265,6 +265,9 @@ static int br_parse_ip_options(struct sk_buff *skb)
+ struct net_device *dev = skb->dev;
+ u32 len;
+
++ if (!pskb_may_pull(skb, sizeof(struct iphdr)))
++ goto inhdr_error;
++
+ iph = ip_hdr(skb);
+ opt = &(IPCB(skb)->opt);
+
+diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c
+index fd30a60..a8aa2d5 100644
+--- a/net/bridge/br_stp_bpdu.c
++++ b/net/bridge/br_stp_bpdu.c
+@@ -16,6 +16,7 @@
+ #include <linux/etherdevice.h>
+ #include <linux/llc.h>
+ #include <linux/slab.h>
++#include <linux/pkt_sched.h>
+ #include <net/net_namespace.h>
+ #include <net/llc.h>
+ #include <net/llc_pdu.h>
+@@ -40,6 +41,7 @@ static void br_send_bpdu(struct net_bridge_port *p,
+
+ skb->dev = p->dev;
+ skb->protocol = htons(ETH_P_802_2);
++ skb->priority = TC_PRIO_CONTROL;
+
+ skb_reserve(skb, LLC_RESERVE);
+ memcpy(__skb_put(skb, length), data, length);
+diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
+index a802029..ee71ea2 100644
+--- a/net/ceph/ceph_common.c
++++ b/net/ceph/ceph_common.c
+@@ -305,7 +305,6 @@ ceph_parse_options(char *options, const char *dev_name,
+
+ /* start with defaults */
+ opt->flags = CEPH_OPT_DEFAULT;
+- opt->osd_timeout = CEPH_OSD_TIMEOUT_DEFAULT;
+ opt->osd_keepalive_timeout = CEPH_OSD_KEEPALIVE_DEFAULT;
+ opt->mount_timeout = CEPH_MOUNT_TIMEOUT_DEFAULT; /* seconds */
+ opt->osd_idle_ttl = CEPH_OSD_IDLE_TTL_DEFAULT; /* seconds */
+@@ -391,7 +390,7 @@ ceph_parse_options(char *options, const char *dev_name,
+
+ /* misc */
+ case Opt_osdtimeout:
+- opt->osd_timeout = intval;
++ pr_warning("ignoring deprecated osdtimeout option\n");
+ break;
+ case Opt_osdkeepalivetimeout:
+ opt->osd_keepalive_timeout = intval;
+diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
+index 3ef1759..e9f2159 100644
+--- a/net/ceph/messenger.c
++++ b/net/ceph/messenger.c
+@@ -506,6 +506,7 @@ static void reset_connection(struct ceph_connection *con)
+ {
+ /* reset connection, out_queue, msg_ and connect_seq */
+ /* discard existing out_queue and msg_seq */
++ dout("reset_connection %p\n", con);
+ ceph_msg_remove_list(&con->out_queue);
+ ceph_msg_remove_list(&con->out_sent);
+
+@@ -561,7 +562,7 @@ void ceph_con_open(struct ceph_connection *con,
+ mutex_lock(&con->mutex);
+ dout("con_open %p %s\n", con, ceph_pr_addr(&addr->in_addr));
+
+- BUG_ON(con->state != CON_STATE_CLOSED);
++ WARN_ON(con->state != CON_STATE_CLOSED);
+ con->state = CON_STATE_PREOPEN;
+
+ con->peer_name.type = (__u8) entity_type;
+@@ -1506,13 +1507,6 @@ static int process_banner(struct ceph_connection *con)
+ return 0;
+ }
+
+-static void fail_protocol(struct ceph_connection *con)
+-{
+- reset_connection(con);
+- BUG_ON(con->state != CON_STATE_NEGOTIATING);
+- con->state = CON_STATE_CLOSED;
+-}
+-
+ static int process_connect(struct ceph_connection *con)
+ {
+ u64 sup_feat = con->msgr->supported_features;
+@@ -1530,7 +1524,7 @@ static int process_connect(struct ceph_connection *con)
+ ceph_pr_addr(&con->peer_addr.in_addr),
+ sup_feat, server_feat, server_feat & ~sup_feat);
+ con->error_msg = "missing required protocol features";
+- fail_protocol(con);
++ reset_connection(con);
+ return -1;
+
+ case CEPH_MSGR_TAG_BADPROTOVER:
+@@ -1541,7 +1535,7 @@ static int process_connect(struct ceph_connection *con)
+ le32_to_cpu(con->out_connect.protocol_version),
+ le32_to_cpu(con->in_reply.protocol_version));
+ con->error_msg = "protocol version mismatch";
+- fail_protocol(con);
++ reset_connection(con);
+ return -1;
+
+ case CEPH_MSGR_TAG_BADAUTHORIZER:
+@@ -1631,11 +1625,11 @@ static int process_connect(struct ceph_connection *con)
+ ceph_pr_addr(&con->peer_addr.in_addr),
+ req_feat, server_feat, req_feat & ~server_feat);
+ con->error_msg = "missing required protocol features";
+- fail_protocol(con);
++ reset_connection(con);
+ return -1;
+ }
+
+- BUG_ON(con->state != CON_STATE_NEGOTIATING);
++ WARN_ON(con->state != CON_STATE_NEGOTIATING);
+ con->state = CON_STATE_OPEN;
+
+ con->peer_global_seq = le32_to_cpu(con->in_reply.global_seq);
+@@ -2132,7 +2126,6 @@ more:
+ if (ret < 0)
+ goto out;
+
+- BUG_ON(con->state != CON_STATE_CONNECTING);
+ con->state = CON_STATE_NEGOTIATING;
+
+ /*
+@@ -2160,7 +2153,7 @@ more:
+ goto more;
+ }
+
+- BUG_ON(con->state != CON_STATE_OPEN);
++ WARN_ON(con->state != CON_STATE_OPEN);
+
+ if (con->in_base_pos < 0) {
+ /*
+@@ -2262,6 +2255,35 @@ static void queue_con(struct ceph_connection *con)
+ }
+ }
+
++static bool con_sock_closed(struct ceph_connection *con)
++{
++ if (!test_and_clear_bit(CON_FLAG_SOCK_CLOSED, &con->flags))
++ return false;
++
++#define CASE(x) \
++ case CON_STATE_ ## x: \
++ con->error_msg = "socket closed (con state " #x ")"; \
++ break;
++
++ switch (con->state) {
++ CASE(CLOSED);
++ CASE(PREOPEN);
++ CASE(CONNECTING);
++ CASE(NEGOTIATING);
++ CASE(OPEN);
++ CASE(STANDBY);
++ default:
++ pr_warning("%s con %p unrecognized state %lu\n",
++ __func__, con, con->state);
++ con->error_msg = "unrecognized con state";
++ BUG();
++ break;
++ }
++#undef CASE
++
++ return true;
++}
++
+ /*
+ * Do some work on a connection. Drop a connection ref when we're done.
+ */
+@@ -2273,24 +2295,8 @@ static void con_work(struct work_struct *work)
+
+ mutex_lock(&con->mutex);
+ restart:
+- if (test_and_clear_bit(CON_FLAG_SOCK_CLOSED, &con->flags)) {
+- switch (con->state) {
+- case CON_STATE_CONNECTING:
+- con->error_msg = "connection failed";
+- break;
+- case CON_STATE_NEGOTIATING:
+- con->error_msg = "negotiation failed";
+- break;
+- case CON_STATE_OPEN:
+- con->error_msg = "socket closed";
+- break;
+- default:
+- dout("unrecognized con state %d\n", (int)con->state);
+- con->error_msg = "unrecognized con state";
+- BUG();
+- }
++ if (con_sock_closed(con))
+ goto fault;
+- }
+
+ if (test_and_clear_bit(CON_FLAG_BACKOFF, &con->flags)) {
+ dout("con_work %p backing off\n", con);
+@@ -2356,12 +2362,12 @@ fault:
+ static void ceph_fault(struct ceph_connection *con)
+ __releases(con->mutex)
+ {
+- pr_err("%s%lld %s %s\n", ENTITY_NAME(con->peer_name),
++ pr_warning("%s%lld %s %s\n", ENTITY_NAME(con->peer_name),
+ ceph_pr_addr(&con->peer_addr.in_addr), con->error_msg);
+ dout("fault %p state %lu to peer %s\n",
+ con, con->state, ceph_pr_addr(&con->peer_addr.in_addr));
+
+- BUG_ON(con->state != CON_STATE_CONNECTING &&
++ WARN_ON(con->state != CON_STATE_CONNECTING &&
+ con->state != CON_STATE_NEGOTIATING &&
+ con->state != CON_STATE_OPEN);
+
+diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
+index f7b56e2..eb9a444 100644
+--- a/net/ceph/osd_client.c
++++ b/net/ceph/osd_client.c
+@@ -221,7 +221,7 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc,
+ kref_init(&req->r_kref);
+ init_completion(&req->r_completion);
+ init_completion(&req->r_safe_completion);
+- rb_init_node(&req->r_node);
++ RB_CLEAR_NODE(&req->r_node);
+ INIT_LIST_HEAD(&req->r_unsafe_item);
+ INIT_LIST_HEAD(&req->r_linger_item);
+ INIT_LIST_HEAD(&req->r_linger_osd);
+@@ -464,6 +464,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
+ {
+ struct ceph_osd_req_op ops[3];
+ struct ceph_osd_request *req;
++ int r;
+
+ ops[0].op = opcode;
+ ops[0].extent.truncate_seq = truncate_seq;
+@@ -482,10 +483,12 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
+ use_mempool,
+ GFP_NOFS, NULL, NULL);
+ if (!req)
+- return NULL;
++ return ERR_PTR(-ENOMEM);
+
+ /* calculate max write size */
+- calc_layout(osdc, vino, layout, off, plen, req, ops);
++ r = calc_layout(osdc, vino, layout, off, plen, req, ops);
++ if (r < 0)
++ return ERR_PTR(r);
+ req->r_file_layout = *layout; /* keep a copy */
+
+ /* in case it differs from natural (file) alignment that
+@@ -578,7 +581,7 @@ static void __kick_osd_requests(struct ceph_osd_client *osdc,
+
+ dout("__kick_osd_requests osd%d\n", osd->o_osd);
+ err = __reset_osd(osdc, osd);
+- if (err == -EAGAIN)
++ if (err)
+ return;
+
+ list_for_each_entry(req, &osd->o_requests, r_osd_item) {
+@@ -605,14 +608,6 @@ static void __kick_osd_requests(struct ceph_osd_client *osdc,
+ }
+ }
+
+-static void kick_osd_requests(struct ceph_osd_client *osdc,
+- struct ceph_osd *kickosd)
+-{
+- mutex_lock(&osdc->request_mutex);
+- __kick_osd_requests(osdc, kickosd);
+- mutex_unlock(&osdc->request_mutex);
+-}
+-
+ /*
+ * If the osd connection drops, we need to resubmit all requests.
+ */
+@@ -626,7 +621,9 @@ static void osd_reset(struct ceph_connection *con)
+ dout("osd_reset osd%d\n", osd->o_osd);
+ osdc = osd->o_osdc;
+ down_read(&osdc->map_sem);
+- kick_osd_requests(osdc, osd);
++ mutex_lock(&osdc->request_mutex);
++ __kick_osd_requests(osdc, osd);
++ mutex_unlock(&osdc->request_mutex);
+ send_queued(osdc);
+ up_read(&osdc->map_sem);
+ }
+@@ -645,6 +642,7 @@ static struct ceph_osd *create_osd(struct ceph_osd_client *osdc, int onum)
+ atomic_set(&osd->o_ref, 1);
+ osd->o_osdc = osdc;
+ osd->o_osd = onum;
++ RB_CLEAR_NODE(&osd->o_node);
+ INIT_LIST_HEAD(&osd->o_requests);
+ INIT_LIST_HEAD(&osd->o_linger_requests);
+ INIT_LIST_HEAD(&osd->o_osd_lru);
+@@ -748,6 +746,7 @@ static int __reset_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd)
+ if (list_empty(&osd->o_requests) &&
+ list_empty(&osd->o_linger_requests)) {
+ __remove_osd(osdc, osd);
++ ret = -ENODEV;
+ } else if (memcmp(&osdc->osdmap->osd_addr[osd->o_osd],
+ &osd->o_con.peer_addr,
+ sizeof(osd->o_con.peer_addr)) == 0 &&
+@@ -874,9 +873,9 @@ static void __unregister_request(struct ceph_osd_client *osdc,
+ req->r_osd = NULL;
+ }
+
++ list_del_init(&req->r_req_lru_item);
+ ceph_osdc_put_request(req);
+
+- list_del_init(&req->r_req_lru_item);
+ if (osdc->num_requests == 0) {
+ dout(" no requests, canceling timeout\n");
+ __cancel_osd_timeout(osdc);
+@@ -908,8 +907,8 @@ static void __unregister_linger_request(struct ceph_osd_client *osdc,
+ struct ceph_osd_request *req)
+ {
+ dout("__unregister_linger_request %p\n", req);
++ list_del_init(&req->r_linger_item);
+ if (req->r_osd) {
+- list_del_init(&req->r_linger_item);
+ list_del_init(&req->r_linger_osd);
+
+ if (list_empty(&req->r_osd->o_requests) &&
+@@ -1088,12 +1087,10 @@ static void handle_timeout(struct work_struct *work)
+ {
+ struct ceph_osd_client *osdc =
+ container_of(work, struct ceph_osd_client, timeout_work.work);
+- struct ceph_osd_request *req, *last_req = NULL;
++ struct ceph_osd_request *req;
+ struct ceph_osd *osd;
+- unsigned long timeout = osdc->client->options->osd_timeout * HZ;
+ unsigned long keepalive =
+ osdc->client->options->osd_keepalive_timeout * HZ;
+- unsigned long last_stamp = 0;
+ struct list_head slow_osds;
+ dout("timeout\n");
+ down_read(&osdc->map_sem);
+@@ -1103,37 +1100,6 @@ static void handle_timeout(struct work_struct *work)
+ mutex_lock(&osdc->request_mutex);
+
+ /*
+- * reset osds that appear to be _really_ unresponsive. this
+- * is a failsafe measure.. we really shouldn't be getting to
+- * this point if the system is working properly. the monitors
+- * should mark the osd as failed and we should find out about
+- * it from an updated osd map.
+- */
+- while (timeout && !list_empty(&osdc->req_lru)) {
+- req = list_entry(osdc->req_lru.next, struct ceph_osd_request,
+- r_req_lru_item);
+-
+- /* hasn't been long enough since we sent it? */
+- if (time_before(jiffies, req->r_stamp + timeout))
+- break;
+-
+- /* hasn't been long enough since it was acked? */
+- if (req->r_request->ack_stamp == 0 ||
+- time_before(jiffies, req->r_request->ack_stamp + timeout))
+- break;
+-
+- BUG_ON(req == last_req && req->r_stamp == last_stamp);
+- last_req = req;
+- last_stamp = req->r_stamp;
+-
+- osd = req->r_osd;
+- BUG_ON(!osd);
+- pr_warning(" tid %llu timed out on osd%d, will reset osd\n",
+- req->r_tid, osd->o_osd);
+- __kick_osd_requests(osdc, osd);
+- }
+-
+- /*
+ * ping osds that are a bit slow. this ensures that if there
+ * is a break in the TCP connection we will notice, and reopen
+ * a connection with that osd (from the fault callback).
+@@ -1304,7 +1270,7 @@ static void reset_changed_osds(struct ceph_osd_client *osdc)
+ * Requeue requests whose mapping to an OSD has changed. If requests map to
+ * no osd, request a new map.
+ *
+- * Caller should hold map_sem for read and request_mutex.
++ * Caller should hold map_sem for read.
+ */
+ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
+ {
+@@ -1318,6 +1284,24 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
+ for (p = rb_first(&osdc->requests); p; ) {
+ req = rb_entry(p, struct ceph_osd_request, r_node);
+ p = rb_next(p);
++
++ /*
++ * For linger requests that have not yet been
++ * registered, move them to the linger list; they'll
++ * be sent to the osd in the loop below. Unregister
++ * the request before re-registering it as a linger
++ * request to ensure the __map_request() below
++ * will decide it needs to be sent.
++ */
++ if (req->r_linger && list_empty(&req->r_linger_item)) {
++ dout("%p tid %llu restart on osd%d\n",
++ req, req->r_tid,
++ req->r_osd ? req->r_osd->o_osd : -1);
++ __unregister_request(osdc, req);
++ __register_linger_request(osdc, req);
++ continue;
++ }
++
+ err = __map_request(osdc, req, force_resend);
+ if (err < 0)
+ continue; /* error */
+@@ -1332,17 +1316,6 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
+ req->r_flags |= CEPH_OSD_FLAG_RETRY;
+ }
+ }
+- if (req->r_linger && list_empty(&req->r_linger_item)) {
+- /*
+- * register as a linger so that we will
+- * re-submit below and get a new tid
+- */
+- dout("%p tid %llu restart on osd%d\n",
+- req, req->r_tid,
+- req->r_osd ? req->r_osd->o_osd : -1);
+- __register_linger_request(osdc, req);
+- __unregister_request(osdc, req);
+- }
+ }
+
+ list_for_each_entry_safe(req, nreq, &osdc->req_linger,
+@@ -1350,6 +1323,7 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
+ dout("linger req=%p req->r_osd=%p\n", req, req->r_osd);
+
+ err = __map_request(osdc, req, force_resend);
++ dout("__map_request returned %d\n", err);
+ if (err == 0)
+ continue; /* no change and no osd was specified */
+ if (err < 0)
+@@ -1362,8 +1336,8 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
+
+ dout("kicking lingering %p tid %llu osd%d\n", req, req->r_tid,
+ req->r_osd ? req->r_osd->o_osd : -1);
+- __unregister_linger_request(osdc, req);
+ __register_request(osdc, req);
++ __unregister_linger_request(osdc, req);
+ }
+ mutex_unlock(&osdc->request_mutex);
+
+@@ -1371,6 +1345,7 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend)
+ dout("%d requests for down osds, need new map\n", needmap);
+ ceph_monc_request_next_osdmap(&osdc->client->monc);
+ }
++ reset_changed_osds(osdc);
+ }
+
+
+@@ -1427,7 +1402,6 @@ void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg)
+ osdc->osdmap = newmap;
+ }
+ kick_requests(osdc, 0);
+- reset_changed_osds(osdc);
+ } else {
+ dout("ignoring incremental map %u len %d\n",
+ epoch, maplen);
+@@ -1597,6 +1571,7 @@ int ceph_osdc_create_event(struct ceph_osd_client *osdc,
+ event->data = data;
+ event->osdc = osdc;
+ INIT_LIST_HEAD(&event->osd_node);
++ RB_CLEAR_NODE(&event->node);
+ kref_init(&event->kref); /* one ref for us */
+ kref_get(&event->kref); /* one ref for the caller */
+ init_completion(&event->completion);
+@@ -1928,8 +1903,8 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc,
+ CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ,
+ NULL, 0, truncate_seq, truncate_size, NULL,
+ false, 1, page_align);
+- if (!req)
+- return -ENOMEM;
++ if (IS_ERR(req))
++ return PTR_ERR(req);
+
+ /* it may be a short read due to an object boundary */
+ req->r_pages = pages;
+@@ -1971,8 +1946,8 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino,
+ snapc, do_sync,
+ truncate_seq, truncate_size, mtime,
+ nofail, 1, page_align);
+- if (!req)
+- return -ENOMEM;
++ if (IS_ERR(req))
++ return PTR_ERR(req);
+
+ /* it may be a short write due to an object boundary */
+ req->r_pages = pages;
+diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
+index 5433fb0..f552aa4 100644
+--- a/net/ceph/osdmap.c
++++ b/net/ceph/osdmap.c
+@@ -645,10 +645,12 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end)
+ ceph_decode_32_safe(p, end, max, bad);
+ while (max--) {
+ ceph_decode_need(p, end, 4 + 1 + sizeof(pi->v), bad);
++ err = -ENOMEM;
+ pi = kzalloc(sizeof(*pi), GFP_NOFS);
+ if (!pi)
+ goto bad;
+ pi->id = ceph_decode_32(p);
++ err = -EINVAL;
+ ev = ceph_decode_8(p); /* encoding version */
+ if (ev > CEPH_PG_POOL_VERSION) {
+ pr_warning("got unknown v %d > %d of ceph_pg_pool\n",
+@@ -664,8 +666,13 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end)
+ __insert_pg_pool(&map->pg_pools, pi);
+ }
+
+- if (version >= 5 && __decode_pool_names(p, end, map) < 0)
+- goto bad;
++ if (version >= 5) {
++ err = __decode_pool_names(p, end, map);
++ if (err < 0) {
++ dout("fail to decode pool names");
++ goto bad;
++ }
++ }
+
+ ceph_decode_32_safe(p, end, map->pool_max, bad);
+
+@@ -745,7 +752,7 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end)
+ return map;
+
+ bad:
+- dout("osdmap_decode fail\n");
++ dout("osdmap_decode fail err %d\n", err);
+ ceph_osdmap_destroy(map);
+ return ERR_PTR(err);
+ }
+@@ -839,6 +846,7 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
+ if (ev > CEPH_PG_POOL_VERSION) {
+ pr_warning("got unknown v %d > %d of ceph_pg_pool\n",
+ ev, CEPH_PG_POOL_VERSION);
++ err = -EINVAL;
+ goto bad;
+ }
+ pi = __lookup_pg_pool(&map->pg_pools, pool);
+@@ -855,8 +863,11 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
+ if (err < 0)
+ goto bad;
+ }
+- if (version >= 5 && __decode_pool_names(p, end, map) < 0)
+- goto bad;
++ if (version >= 5) {
++ err = __decode_pool_names(p, end, map);
++ if (err < 0)
++ goto bad;
++ }
+
+ /* old_pool */
+ ceph_decode_32_safe(p, end, len, bad);
+@@ -932,15 +943,13 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
+ (void) __remove_pg_mapping(&map->pg_temp, pgid);
+
+ /* insert */
+- if (pglen > (UINT_MAX - sizeof(*pg)) / sizeof(u32)) {
+- err = -EINVAL;
++ err = -EINVAL;
++ if (pglen > (UINT_MAX - sizeof(*pg)) / sizeof(u32))
+ goto bad;
+- }
++ err = -ENOMEM;
+ pg = kmalloc(sizeof(*pg) + sizeof(u32)*pglen, GFP_NOFS);
+- if (!pg) {
+- err = -ENOMEM;
++ if (!pg)
+ goto bad;
+- }
+ pg->pgid = pgid;
+ pg->len = pglen;
+ for (j = 0; j < pglen; j++)
+diff --git a/net/core/datagram.c b/net/core/datagram.c
+index 0337e2b..368f9c3 100644
+--- a/net/core/datagram.c
++++ b/net/core/datagram.c
+@@ -187,7 +187,7 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags,
+ skb_queue_walk(queue, skb) {
+ *peeked = skb->peeked;
+ if (flags & MSG_PEEK) {
+- if (*off >= skb->len) {
++ if (*off >= skb->len && skb->len) {
+ *off -= skb->len;
+ continue;
+ }
+diff --git a/net/core/pktgen.c b/net/core/pktgen.c
+index e356b8d..d7881b2 100644
+--- a/net/core/pktgen.c
++++ b/net/core/pktgen.c
+@@ -1797,10 +1797,13 @@ static ssize_t pktgen_thread_write(struct file *file,
+ return -EFAULT;
+ i += len;
+ mutex_lock(&pktgen_thread_lock);
+- pktgen_add_device(t, f);
++ ret = pktgen_add_device(t, f);
+ mutex_unlock(&pktgen_thread_lock);
+- ret = count;
+- sprintf(pg_result, "OK: add_device=%s", f);
++ if (!ret) {
++ ret = count;
++ sprintf(pg_result, "OK: add_device=%s", f);
++ } else
++ sprintf(pg_result, "ERROR: can not add device %s", f);
+ goto out;
+ }
+
+diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
+index 9d8755e..a2ad320 100644
+--- a/net/core/sock_diag.c
++++ b/net/core/sock_diag.c
+@@ -121,6 +121,9 @@ static int __sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+ if (nlmsg_len(nlh) < sizeof(*req))
+ return -EINVAL;
+
++ if (req->sdiag_family >= AF_MAX)
++ return -EINVAL;
++
+ hndl = sock_diag_lock_handler(req->sdiag_family);
+ if (hndl == NULL)
+ err = -ENOENT;
+diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
+index 176ecdb..4f9f5eb 100644
+--- a/net/dccp/ipv4.c
++++ b/net/dccp/ipv4.c
+@@ -439,8 +439,8 @@ exit:
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
+ return NULL;
+ put_and_exit:
+- bh_unlock_sock(newsk);
+- sock_put(newsk);
++ inet_csk_prepare_forced_close(newsk);
++ dccp_done(newsk);
+ goto exit;
+ }
+
+diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
+index 56840b2..6e05981 100644
+--- a/net/dccp/ipv6.c
++++ b/net/dccp/ipv6.c
+@@ -585,7 +585,8 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
+ newinet->inet_rcv_saddr = LOOPBACK4_IPV6;
+
+ if (__inet_inherit_port(sk, newsk) < 0) {
+- sock_put(newsk);
++ inet_csk_prepare_forced_close(newsk);
++ dccp_done(newsk);
+ goto out;
+ }
+ __inet6_hash(newsk, NULL);
+diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
+index fe4582c..26222ed 100644
+--- a/net/ipv4/af_inet.c
++++ b/net/ipv4/af_inet.c
+@@ -228,8 +228,12 @@ EXPORT_SYMBOL(inet_listen);
+ u32 inet_ehash_secret __read_mostly;
+ EXPORT_SYMBOL(inet_ehash_secret);
+
++u32 ipv6_hash_secret __read_mostly;
++EXPORT_SYMBOL(ipv6_hash_secret);
++
+ /*
+- * inet_ehash_secret must be set exactly once
++ * inet_ehash_secret must be set exactly once, and to a non nul value
++ * ipv6_hash_secret must be set exactly once.
+ */
+ void build_ehash_secret(void)
+ {
+@@ -239,7 +243,8 @@ void build_ehash_secret(void)
+ get_random_bytes(&rnd, sizeof(rnd));
+ } while (rnd == 0);
+
+- cmpxchg(&inet_ehash_secret, 0, rnd);
++ if (cmpxchg(&inet_ehash_secret, 0, rnd) == 0)
++ get_random_bytes(&ipv6_hash_secret, sizeof(ipv6_hash_secret));
+ }
+ EXPORT_SYMBOL(build_ehash_secret);
+
+diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
+index 0405cc8..567c31f 100644
+--- a/net/ipv4/inet_connection_sock.c
++++ b/net/ipv4/inet_connection_sock.c
+@@ -679,6 +679,22 @@ void inet_csk_destroy_sock(struct sock *sk)
+ }
+ EXPORT_SYMBOL(inet_csk_destroy_sock);
+
++/* This function allows to force a closure of a socket after the call to
++ * tcp/dccp_create_openreq_child().
++ */
++void inet_csk_prepare_forced_close(struct sock *sk)
++{
++ /* sk_clone_lock locked the socket and set refcnt to 2 */
++ bh_unlock_sock(sk);
++ sock_put(sk);
++
++ /* The below has to be done to allow calling inet_csk_destroy_sock */
++ sock_set_flag(sk, SOCK_DEAD);
++ percpu_counter_inc(sk->sk_prot->orphan_count);
++ inet_sk(sk)->inet_num = 0;
++}
++EXPORT_SYMBOL(inet_csk_prepare_forced_close);
++
+ int inet_csk_listen_start(struct sock *sk, const int nr_table_entries)
+ {
+ struct inet_sock *inet = inet_sk(sk);
+diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
+index 14bbfcf..e95d72b 100644
+--- a/net/ipv4/ip_sockglue.c
++++ b/net/ipv4/ip_sockglue.c
+@@ -590,7 +590,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
+ case IP_TTL:
+ if (optlen < 1)
+ goto e_inval;
+- if (val != -1 && (val < 0 || val > 255))
++ if (val != -1 && (val < 1 || val > 255))
+ goto e_inval;
+ inet->uc_ttl = val;
+ break;
+diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
+index 6232d47..920cb0b 100644
+--- a/net/ipv4/ping.c
++++ b/net/ipv4/ping.c
+@@ -328,8 +328,8 @@ void ping_err(struct sk_buff *skb, u32 info)
+ struct iphdr *iph = (struct iphdr *)skb->data;
+ struct icmphdr *icmph = (struct icmphdr *)(skb->data+(iph->ihl<<2));
+ struct inet_sock *inet_sock;
+- int type = icmph->type;
+- int code = icmph->code;
++ int type = icmp_hdr(skb)->type;
++ int code = icmp_hdr(skb)->code;
+ struct net *net = dev_net(skb->dev);
+ struct sock *sk;
+ int harderr;
+diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
+index c92c4da..8d02e34 100644
+--- a/net/ipv4/tcp_input.c
++++ b/net/ipv4/tcp_input.c
+@@ -3531,6 +3531,11 @@ static bool tcp_process_frto(struct sock *sk, int flag)
+ }
+ } else {
+ if (!(flag & FLAG_DATA_ACKED) && (tp->frto_counter == 1)) {
++ if (!tcp_packets_in_flight(tp)) {
++ tcp_enter_frto_loss(sk, 2, flag);
++ return true;
++ }
++
+ /* Prevent sending of new data. */
+ tp->snd_cwnd = min(tp->snd_cwnd,
+ tcp_packets_in_flight(tp));
+@@ -3579,6 +3584,24 @@ static bool tcp_process_frto(struct sock *sk, int flag)
+ return false;
+ }
+
++/* RFC 5961 7 [ACK Throttling] */
++static void tcp_send_challenge_ack(struct sock *sk)
++{
++ /* unprotected vars, we dont care of overwrites */
++ static u32 challenge_timestamp;
++ static unsigned int challenge_count;
++ u32 now = jiffies / HZ;
++
++ if (now != challenge_timestamp) {
++ challenge_timestamp = now;
++ challenge_count = 0;
++ }
++ if (++challenge_count <= sysctl_tcp_challenge_ack_limit) {
++ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPCHALLENGEACK);
++ tcp_send_ack(sk);
++ }
++}
++
+ /* This routine deals with incoming acks, but not outgoing ones. */
+ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
+ {
+@@ -3598,8 +3621,14 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
+ /* If the ack is older than previous acks
+ * then we can probably ignore it.
+ */
+- if (before(ack, prior_snd_una))
++ if (before(ack, prior_snd_una)) {
++ /* RFC 5961 5.2 [Blind Data Injection Attack].[Mitigation] */
++ if (before(ack, prior_snd_una - tp->max_window)) {
++ tcp_send_challenge_ack(sk);
++ return -1;
++ }
+ goto old_ack;
++ }
+
+ /* If the ack includes data we haven't sent yet, discard
+ * this segment (RFC793 Section 3.9).
+@@ -5271,23 +5300,6 @@ out:
+ }
+ #endif /* CONFIG_NET_DMA */
+
+-static void tcp_send_challenge_ack(struct sock *sk)
+-{
+- /* unprotected vars, we dont care of overwrites */
+- static u32 challenge_timestamp;
+- static unsigned int challenge_count;
+- u32 now = jiffies / HZ;
+-
+- if (now != challenge_timestamp) {
+- challenge_timestamp = now;
+- challenge_count = 0;
+- }
+- if (++challenge_count <= sysctl_tcp_challenge_ack_limit) {
+- NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPCHALLENGEACK);
+- tcp_send_ack(sk);
+- }
+-}
+-
+ /* Does PAWS and seqno based validation of an incoming segment, flags will
+ * play significant role here.
+ */
+@@ -5340,11 +5352,6 @@ static bool tcp_validate_incoming(struct sock *sk, struct sk_buff *skb,
+ goto discard;
+ }
+
+- /* ts_recent update must be made after we are sure that the packet
+- * is in window.
+- */
+- tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq);
+-
+ /* step 3: check security and precedence [ignored] */
+
+ /* step 4: Check for a SYN
+@@ -5579,6 +5586,11 @@ step5:
+ if (th->ack && tcp_ack(sk, skb, FLAG_SLOWPATH) < 0)
+ goto discard;
+
++ /* ts_recent update must be made after we are sure that the packet
++ * is in window.
++ */
++ tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq);
++
+ tcp_rcv_rtt_measure_ts(sk, skb);
+
+ /* Process urgent data. */
+@@ -6106,6 +6118,11 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
+ } else
+ goto discard;
+
++ /* ts_recent update must be made after we are sure that the packet
++ * is in window.
++ */
++ tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq);
++
+ /* step 6: check the URG bit */
+ tcp_urg(sk, skb, th);
+
+diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
+index db7bfad..4705caf 100644
+--- a/net/ipv4/tcp_ipv4.c
++++ b/net/ipv4/tcp_ipv4.c
+@@ -1537,10 +1537,8 @@ exit:
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
+ return NULL;
+ put_and_exit:
+- tcp_clear_xmit_timers(newsk);
+- tcp_cleanup_congestion_control(newsk);
+- bh_unlock_sock(newsk);
+- sock_put(newsk);
++ inet_csk_prepare_forced_close(newsk);
++ tcp_done(newsk);
+ goto exit;
+ }
+ EXPORT_SYMBOL(tcp_v4_syn_recv_sock);
+diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
+index b10374d..fd82a30 100644
+--- a/net/ipv6/addrconf.c
++++ b/net/ipv6/addrconf.c
+@@ -1736,7 +1736,7 @@ static struct rt6_info *addrconf_get_prefix_route(const struct in6_addr *pfx,
+ continue;
+ if ((rt->rt6i_flags & flags) != flags)
+ continue;
+- if ((noflags != 0) && ((rt->rt6i_flags & flags) != 0))
++ if ((rt->rt6i_flags & noflags) != 0)
+ continue;
+ dst_hold(&rt->dst);
+ break;
+diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
+index 5b2d63e..3d485ec 100644
+--- a/net/ipv6/ip6_output.c
++++ b/net/ipv6/ip6_output.c
+@@ -1287,10 +1287,10 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
+ cork->length = 0;
+ sk->sk_sndmsg_page = NULL;
+ sk->sk_sndmsg_off = 0;
+- exthdrlen = (opt ? opt->opt_flen : 0) - rt->rt6i_nfheader_len;
++ exthdrlen = (opt ? opt->opt_flen : 0);
+ length += exthdrlen;
+ transhdrlen += exthdrlen;
+- dst_exthdrlen = rt->dst.header_len;
++ dst_exthdrlen = rt->dst.header_len - rt->rt6i_nfheader_len;
+ } else {
+ rt = (struct rt6_info *)cork->dst;
+ fl6 = &inet->cork.fl.u.ip6;
+diff --git a/net/ipv6/route.c b/net/ipv6/route.c
+index 070a3ce..2ffaa7a 100644
+--- a/net/ipv6/route.c
++++ b/net/ipv6/route.c
+@@ -881,7 +881,7 @@ restart:
+ dst_hold(&rt->dst);
+ read_unlock_bh(&table->tb6_lock);
+
+- if (!rt->n && !(rt->rt6i_flags & RTF_NONEXTHOP))
++ if (!rt->n && !(rt->rt6i_flags & (RTF_NONEXTHOP | RTF_LOCAL)))
+ nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr);
+ else if (!(rt->dst.flags & DST_HOST))
+ nrt = rt6_alloc_clone(rt, &fl6->daddr);
+diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
+index 7e32d42..8b45fb4 100644
+--- a/net/ipv6/tcp_ipv6.c
++++ b/net/ipv6/tcp_ipv6.c
+@@ -1371,7 +1371,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
+ #endif
+
+ if (__inet_inherit_port(sk, newsk) < 0) {
+- sock_put(newsk);
++ inet_csk_prepare_forced_close(newsk);
++ tcp_done(newsk);
+ goto out;
+ }
+ __inet6_hash(newsk, NULL);
+diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
+index a58c0b6..f985911 100644
+--- a/net/mac80211/cfg.c
++++ b/net/mac80211/cfg.c
+@@ -151,7 +151,17 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
+ sta = sta_info_get(sdata, mac_addr);
+ else
+ sta = sta_info_get_bss(sdata, mac_addr);
+- if (!sta) {
++ /*
++ * The ASSOC test makes sure the driver is ready to
++ * receive the key. When wpa_supplicant has roamed
++ * using FT, it attempts to set the key before
++ * association has completed, this rejects that attempt
++ * so it will set the key again after assocation.
++ *
++ * TODO: accept the key if we have a station entry and
++ * add it to the device after the station.
++ */
++ if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
+ ieee80211_key_free(sdata->local, key);
+ err = -ENOENT;
+ goto out_unlock;
+diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
+index a5894dd..c55eacc 100644
+--- a/net/mac80211/ibss.c
++++ b/net/mac80211/ibss.c
+@@ -647,8 +647,8 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
+ sdata_info(sdata,
+ "No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge)\n");
+
+- ieee80211_request_internal_scan(sdata,
+- ifibss->ssid, ifibss->ssid_len, NULL);
++ ieee80211_request_ibss_scan(sdata, ifibss->ssid, ifibss->ssid_len,
++ NULL);
+ }
+
+ static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
+@@ -746,9 +746,8 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
+ IEEE80211_SCAN_INTERVAL)) {
+ sdata_info(sdata, "Trigger new scan to find an IBSS to join\n");
+
+- ieee80211_request_internal_scan(sdata,
+- ifibss->ssid, ifibss->ssid_len,
+- ifibss->fixed_channel ? ifibss->channel : NULL);
++ ieee80211_request_ibss_scan(sdata, ifibss->ssid,
++ ifibss->ssid_len, chan);
+ } else {
+ int interval = IEEE80211_SCAN_INTERVAL;
+
+diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
+index 642a2a3..fcab057 100644
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -1239,9 +1239,9 @@ void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+
+ /* scan/BSS handling */
+ void ieee80211_scan_work(struct work_struct *work);
+-int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
+- const u8 *ssid, u8 ssid_len,
+- struct ieee80211_channel *chan);
++int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
++ const u8 *ssid, u8 ssid_len,
++ struct ieee80211_channel *chan);
+ int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_scan_request *req);
+ void ieee80211_scan_cancel(struct ieee80211_local *local);
+@@ -1267,10 +1267,8 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata);
+ void ieee80211_sched_scan_stopped_work(struct work_struct *work);
+
+ /* off-channel helpers */
+-void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
+- bool offchannel_ps_enable);
+-void ieee80211_offchannel_return(struct ieee80211_local *local,
+- bool offchannel_ps_disable);
++void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local);
++void ieee80211_offchannel_return(struct ieee80211_local *local);
+ void ieee80211_roc_setup(struct ieee80211_local *local);
+ void ieee80211_start_next_roc(struct ieee80211_local *local);
+ void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata);
+diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
+index 2138dc3..37e3028 100644
+--- a/net/mac80211/offchannel.c
++++ b/net/mac80211/offchannel.c
+@@ -102,8 +102,7 @@ static void ieee80211_offchannel_ps_disable(struct ieee80211_sub_if_data *sdata)
+ ieee80211_sta_reset_conn_monitor(sdata);
+ }
+
+-void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
+- bool offchannel_ps_enable)
++void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local)
+ {
+ struct ieee80211_sub_if_data *sdata;
+
+@@ -128,8 +127,7 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
+
+ if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
+ netif_tx_stop_all_queues(sdata->dev);
+- if (offchannel_ps_enable &&
+- (sdata->vif.type == NL80211_IFTYPE_STATION) &&
++ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+ sdata->u.mgd.associated)
+ ieee80211_offchannel_ps_enable(sdata);
+ }
+@@ -137,8 +135,7 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local,
+ mutex_unlock(&local->iflist_mtx);
+ }
+
+-void ieee80211_offchannel_return(struct ieee80211_local *local,
+- bool offchannel_ps_disable)
++void ieee80211_offchannel_return(struct ieee80211_local *local)
+ {
+ struct ieee80211_sub_if_data *sdata;
+
+@@ -151,11 +148,9 @@ void ieee80211_offchannel_return(struct ieee80211_local *local,
+ continue;
+
+ /* Tell AP we're back */
+- if (offchannel_ps_disable &&
+- sdata->vif.type == NL80211_IFTYPE_STATION) {
+- if (sdata->u.mgd.associated)
+- ieee80211_offchannel_ps_disable(sdata);
+- }
++ if (sdata->vif.type == NL80211_IFTYPE_STATION &&
++ sdata->u.mgd.associated)
++ ieee80211_offchannel_ps_disable(sdata);
+
+ if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
+ /*
+@@ -376,7 +371,7 @@ void ieee80211_sw_roc_work(struct work_struct *work)
+ local->tmp_channel = NULL;
+ ieee80211_hw_config(local, 0);
+
+- ieee80211_offchannel_return(local, true);
++ ieee80211_offchannel_return(local);
+ }
+
+ ieee80211_recalc_idle(local);
+diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
+index 839dd97..8719635 100644
+--- a/net/mac80211/scan.c
++++ b/net/mac80211/scan.c
+@@ -310,7 +310,7 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted,
+ if (!was_hw_scan) {
+ ieee80211_configure_filter(local);
+ drv_sw_scan_complete(local);
+- ieee80211_offchannel_return(local, true);
++ ieee80211_offchannel_return(local);
+ }
+
+ ieee80211_recalc_idle(local);
+@@ -355,7 +355,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
+ local->next_scan_state = SCAN_DECISION;
+ local->scan_channel_idx = 0;
+
+- ieee80211_offchannel_stop_vifs(local, true);
++ ieee80211_offchannel_stop_vifs(local);
+
+ ieee80211_configure_filter(local);
+
+@@ -680,12 +680,8 @@ static void ieee80211_scan_state_suspend(struct ieee80211_local *local,
+ local->scan_channel = NULL;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+
+- /*
+- * Re-enable vifs and beaconing. Leave PS
+- * in off-channel state..will put that back
+- * on-channel at the end of scanning.
+- */
+- ieee80211_offchannel_return(local, false);
++ /* disable PS */
++ ieee80211_offchannel_return(local);
+
+ *next_delay = HZ / 5;
+ /* afterwards, resume scan & go to next channel */
+@@ -695,8 +691,7 @@ static void ieee80211_scan_state_suspend(struct ieee80211_local *local,
+ static void ieee80211_scan_state_resume(struct ieee80211_local *local,
+ unsigned long *next_delay)
+ {
+- /* PS already is in off-channel mode */
+- ieee80211_offchannel_stop_vifs(local, false);
++ ieee80211_offchannel_stop_vifs(local);
+
+ if (local->ops->flush) {
+ drv_flush(local, false);
+@@ -819,9 +814,9 @@ int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
+ return res;
+ }
+
+-int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
+- const u8 *ssid, u8 ssid_len,
+- struct ieee80211_channel *chan)
++int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
++ const u8 *ssid, u8 ssid_len,
++ struct ieee80211_channel *chan)
+ {
+ struct ieee80211_local *local = sdata->local;
+ int ret = -EBUSY;
+@@ -835,22 +830,36 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
+
+ /* fill internal scan request */
+ if (!chan) {
+- int i, nchan = 0;
++ int i, max_n;
++ int n_ch = 0;
+
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+ if (!local->hw.wiphy->bands[band])
+ continue;
+- for (i = 0;
+- i < local->hw.wiphy->bands[band]->n_channels;
+- i++) {
+- local->int_scan_req->channels[nchan] =
++
++ max_n = local->hw.wiphy->bands[band]->n_channels;
++ for (i = 0; i < max_n; i++) {
++ struct ieee80211_channel *tmp_ch =
+ &local->hw.wiphy->bands[band]->channels[i];
+- nchan++;
++
++ if (tmp_ch->flags & (IEEE80211_CHAN_NO_IBSS |
++ IEEE80211_CHAN_DISABLED))
++ continue;
++
++ local->int_scan_req->channels[n_ch] = tmp_ch;
++ n_ch++;
+ }
+ }
+
+- local->int_scan_req->n_channels = nchan;
++ if (WARN_ON_ONCE(n_ch == 0))
++ goto unlock;
++
++ local->int_scan_req->n_channels = n_ch;
+ } else {
++ if (WARN_ON_ONCE(chan->flags & (IEEE80211_CHAN_NO_IBSS |
++ IEEE80211_CHAN_DISABLED)))
++ goto unlock;
++
+ local->int_scan_req->channels[0] = chan;
+ local->int_scan_req->n_channels = 1;
+ }
+diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
+index 31aa8b8..cd7ca8d 100644
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -835,7 +835,7 @@ void sta_info_init(struct ieee80211_local *local)
+
+ void sta_info_stop(struct ieee80211_local *local)
+ {
+- del_timer(&local->sta_cleanup);
++ del_timer_sync(&local->sta_cleanup);
+ sta_info_flush(local, NULL);
+ }
+
+diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
+index c5c9e2a..70f7e18 100644
+--- a/net/packet/af_packet.c
++++ b/net/packet/af_packet.c
+@@ -2443,13 +2443,15 @@ static int packet_release(struct socket *sock)
+
+ packet_flush_mclist(sk);
+
+- memset(&req_u, 0, sizeof(req_u));
+-
+- if (po->rx_ring.pg_vec)
++ if (po->rx_ring.pg_vec) {
++ memset(&req_u, 0, sizeof(req_u));
+ packet_set_ring(sk, &req_u, 1, 0);
++ }
+
+- if (po->tx_ring.pg_vec)
++ if (po->tx_ring.pg_vec) {
++ memset(&req_u, 0, sizeof(req_u));
+ packet_set_ring(sk, &req_u, 1, 1);
++ }
+
+ fanout_release(sk);
+
+diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
+index 9d75b77..e9ea2f3 100644
+--- a/net/sched/sch_htb.c
++++ b/net/sched/sch_htb.c
+@@ -874,7 +874,7 @@ ok:
+ q->now = psched_get_time();
+ start_at = jiffies;
+
+- next_event = q->now + 5 * PSCHED_TICKS_PER_SEC;
++ next_event = q->now + 5LLU * PSCHED_TICKS_PER_SEC;
+
+ for (level = 0; level < TC_HTB_MAXDEPTH; level++) {
+ /* common case optimization - skip event handler quickly */
+diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
+index 68a385d..58cd035 100644
+--- a/net/sctp/endpointola.c
++++ b/net/sctp/endpointola.c
+@@ -248,6 +248,8 @@ void sctp_endpoint_free(struct sctp_endpoint *ep)
+ /* Final destructor for endpoint. */
+ static void sctp_endpoint_destroy(struct sctp_endpoint *ep)
+ {
++ int i;
++
+ SCTP_ASSERT(ep->base.dead, "Endpoint is not dead", return);
+
+ /* Free up the HMAC transform. */
+@@ -270,6 +272,9 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep)
+ sctp_inq_free(&ep->base.inqueue);
+ sctp_bind_addr_free(&ep->base.bind_addr);
+
++ for (i = 0; i < SCTP_HOW_MANY_SECRETS; ++i)
++ memset(&ep->secret_key[i], 0, SCTP_SECRET_SIZE);
++
+ /* Remove and free the port */
+ if (sctp_sk(ep->base.sk)->bind_hash)
+ sctp_put_port(ep->base.sk);
+diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
+index e7aa177c..e0902c9 100644
+--- a/net/sctp/outqueue.c
++++ b/net/sctp/outqueue.c
+@@ -223,7 +223,7 @@ void sctp_outq_init(struct sctp_association *asoc, struct sctp_outq *q)
+
+ /* Free the outqueue structure and any related pending chunks.
+ */
+-void sctp_outq_teardown(struct sctp_outq *q)
++static void __sctp_outq_teardown(struct sctp_outq *q)
+ {
+ struct sctp_transport *transport;
+ struct list_head *lchunk, *temp;
+@@ -276,8 +276,6 @@ void sctp_outq_teardown(struct sctp_outq *q)
+ sctp_chunk_free(chunk);
+ }
+
+- q->error = 0;
+-
+ /* Throw away any leftover control chunks. */
+ list_for_each_entry_safe(chunk, tmp, &q->control_chunk_list, list) {
+ list_del_init(&chunk->list);
+@@ -285,11 +283,17 @@ void sctp_outq_teardown(struct sctp_outq *q)
+ }
+ }
+
++void sctp_outq_teardown(struct sctp_outq *q)
++{
++ __sctp_outq_teardown(q);
++ sctp_outq_init(q->asoc, q);
++}
++
+ /* Free the outqueue structure and any related pending chunks. */
+ void sctp_outq_free(struct sctp_outq *q)
+ {
+ /* Throw away leftover chunks. */
+- sctp_outq_teardown(q);
++ __sctp_outq_teardown(q);
+
+ /* If we were kmalloc()'d, free the memory. */
+ if (q->malloced)
+diff --git a/net/sctp/socket.c b/net/sctp/socket.c
+index cb54123..d32d86d 100644
+--- a/net/sctp/socket.c
++++ b/net/sctp/socket.c
+@@ -3375,7 +3375,7 @@ static int sctp_setsockopt_auth_key(struct sock *sk,
+
+ ret = sctp_auth_set_key(sctp_sk(sk)->ep, asoc, authkey);
+ out:
+- kfree(authkey);
++ kzfree(authkey);
+ return ret;
+ }
+
+diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
+index fa48c60..346c387 100644
+--- a/net/sunrpc/clnt.c
++++ b/net/sunrpc/clnt.c
+@@ -234,7 +234,7 @@ static struct rpc_clnt *rpc_get_client_for_event(struct net *net, int event)
+ spin_lock(&sn->rpc_client_lock);
+ list_for_each_entry(clnt, &sn->all_clients, cl_clients) {
+ if (clnt->cl_program->pipe_dir_name == NULL)
+- break;
++ continue;
+ if (rpc_clnt_skip_event(clnt, event))
+ continue;
+ if (atomic_inc_not_zero(&clnt->cl_count) == 0)
+diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
+index 21fde99..2a419f1 100644
+--- a/net/sunrpc/rpc_pipe.c
++++ b/net/sunrpc/rpc_pipe.c
+@@ -1152,14 +1152,19 @@ static void rpc_kill_sb(struct super_block *sb)
+ struct sunrpc_net *sn = net_generic(net, sunrpc_net_id);
+
+ mutex_lock(&sn->pipefs_sb_lock);
++ if (sn->pipefs_sb != sb) {
++ mutex_unlock(&sn->pipefs_sb_lock);
++ goto out;
++ }
+ sn->pipefs_sb = NULL;
+ mutex_unlock(&sn->pipefs_sb_lock);
+- put_net(net);
+ dprintk("RPC: sending pipefs UMOUNT notification for net %p%s\n", net,
+ NET_NAME(net));
+ blocking_notifier_call_chain(&rpc_pipefs_notifier_list,
+ RPC_PIPEFS_UMOUNT,
+ sb);
++ put_net(net);
++out:
+ kill_litter_super(sb);
+ }
+
+diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
+index 128494e..7fc5846 100644
+--- a/net/sunrpc/sched.c
++++ b/net/sunrpc/sched.c
+@@ -919,16 +919,35 @@ struct rpc_task *rpc_new_task(const struct rpc_task_setup *setup_data)
+ return task;
+ }
+
++/*
++ * rpc_free_task - release rpc task and perform cleanups
++ *
++ * Note that we free up the rpc_task _after_ rpc_release_calldata()
++ * in order to work around a workqueue dependency issue.
++ *
++ * Tejun Heo states:
++ * "Workqueue currently considers two work items to be the same if they're
++ * on the same address and won't execute them concurrently - ie. it
++ * makes a work item which is queued again while being executed wait
++ * for the previous execution to complete.
++ *
++ * If a work function frees the work item, and then waits for an event
++ * which should be performed by another work item and *that* work item
++ * recycles the freed work item, it can create a false dependency loop.
++ * There really is no reliable way to detect this short of verifying
++ * every memory free."
++ *
++ */
+ static void rpc_free_task(struct rpc_task *task)
+ {
+- const struct rpc_call_ops *tk_ops = task->tk_ops;
+- void *calldata = task->tk_calldata;
++ unsigned short tk_flags = task->tk_flags;
++
++ rpc_release_calldata(task->tk_ops, task->tk_calldata);
+
+- if (task->tk_flags & RPC_TASK_DYNAMIC) {
++ if (tk_flags & RPC_TASK_DYNAMIC) {
+ dprintk("RPC: %5u freeing task\n", task->tk_pid);
+ mempool_free(task, rpc_task_mempool);
+ }
+- rpc_release_calldata(tk_ops, calldata);
+ }
+
+ static void rpc_async_release(struct work_struct *work)
+@@ -938,8 +957,7 @@ static void rpc_async_release(struct work_struct *work)
+
+ static void rpc_release_resources_task(struct rpc_task *task)
+ {
+- if (task->tk_rqstp)
+- xprt_release(task);
++ xprt_release(task);
+ if (task->tk_msg.rpc_cred) {
+ put_rpccred(task->tk_msg.rpc_cred);
+ task->tk_msg.rpc_cred = NULL;
+diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
+index bac973a..3e74e01 100644
+--- a/net/sunrpc/svc_xprt.c
++++ b/net/sunrpc/svc_xprt.c
+@@ -814,7 +814,6 @@ static void svc_age_temp_xprts(unsigned long closure)
+ struct svc_serv *serv = (struct svc_serv *)closure;
+ struct svc_xprt *xprt;
+ struct list_head *le, *next;
+- LIST_HEAD(to_be_aged);
+
+ dprintk("svc_age_temp_xprts\n");
+
+@@ -835,25 +834,15 @@ static void svc_age_temp_xprts(unsigned long closure)
+ if (atomic_read(&xprt->xpt_ref.refcount) > 1 ||
+ test_bit(XPT_BUSY, &xprt->xpt_flags))
+ continue;
+- svc_xprt_get(xprt);
+- list_move(le, &to_be_aged);
++ list_del_init(le);
+ set_bit(XPT_CLOSE, &xprt->xpt_flags);
+ set_bit(XPT_DETACHED, &xprt->xpt_flags);
+- }
+- spin_unlock_bh(&serv->sv_lock);
+-
+- while (!list_empty(&to_be_aged)) {
+- le = to_be_aged.next;
+- /* fiddling the xpt_list node is safe 'cos we're XPT_DETACHED */
+- list_del_init(le);
+- xprt = list_entry(le, struct svc_xprt, xpt_list);
+-
+ dprintk("queuing xprt %p for closing\n", xprt);
+
+ /* a thread will dequeue and close it soon */
+ svc_xprt_enqueue(xprt);
+- svc_xprt_put(xprt);
+ }
++ spin_unlock_bh(&serv->sv_lock);
+
+ mod_timer(&serv->sv_temptimer, jiffies + svc_conn_age_period * HZ);
+ }
+diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
+index 5d7f61d..2480c01 100644
+--- a/net/sunrpc/xprt.c
++++ b/net/sunrpc/xprt.c
+@@ -1139,10 +1139,18 @@ static void xprt_request_init(struct rpc_task *task, struct rpc_xprt *xprt)
+ void xprt_release(struct rpc_task *task)
+ {
+ struct rpc_xprt *xprt;
+- struct rpc_rqst *req;
++ struct rpc_rqst *req = task->tk_rqstp;
+
+- if (!(req = task->tk_rqstp))
++ if (req == NULL) {
++ if (task->tk_client) {
++ rcu_read_lock();
++ xprt = rcu_dereference(task->tk_client->cl_xprt);
++ if (xprt->snd_task == task)
++ xprt_release_write(xprt, task);
++ rcu_read_unlock();
++ }
+ return;
++ }
+
+ xprt = req->rq_xprt;
+ if (task->tk_ops->rpc_count_stats != NULL)
+diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
+index 49a464f..62fa2c5 100644
+--- a/security/integrity/evm/evm_crypto.c
++++ b/security/integrity/evm/evm_crypto.c
+@@ -205,9 +205,9 @@ int evm_update_evmxattr(struct dentry *dentry, const char *xattr_name,
+ rc = __vfs_setxattr_noperm(dentry, XATTR_NAME_EVM,
+ &xattr_data,
+ sizeof(xattr_data), 0);
+- }
+- else if (rc == -ENODATA)
++ } else if (rc == -ENODATA && inode->i_op->removexattr) {
+ rc = inode->i_op->removexattr(dentry, XATTR_NAME_EVM);
++ }
+ return rc;
+ }
+
+diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c
+index 48d7c0a..bd3ba88 100644
+--- a/sound/arm/pxa2xx-ac97-lib.c
++++ b/sound/arm/pxa2xx-ac97-lib.c
+@@ -18,6 +18,7 @@
+ #include <linux/delay.h>
+ #include <linux/module.h>
+ #include <linux/io.h>
++#include <linux/gpio.h>
+
+ #include <sound/ac97_codec.h>
+ #include <sound/pxa2xx-lib.h>
+@@ -148,6 +149,8 @@ static inline void pxa_ac97_warm_pxa27x(void)
+
+ static inline void pxa_ac97_cold_pxa27x(void)
+ {
++ unsigned int timeout;
++
+ GCR &= GCR_COLD_RST; /* clear everything but nCRST */
+ GCR &= ~GCR_COLD_RST; /* then assert nCRST */
+
+@@ -157,8 +160,10 @@ static inline void pxa_ac97_cold_pxa27x(void)
+ clk_enable(ac97conf_clk);
+ udelay(5);
+ clk_disable(ac97conf_clk);
+- GCR = GCR_COLD_RST;
+- udelay(50);
++ GCR = GCR_COLD_RST | GCR_WARM_RST;
++ timeout = 100; /* wait for the codec-ready bit to be set */
++ while (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--)
++ mdelay(1);
+ }
+ #endif
+
+@@ -340,8 +345,21 @@ int __devinit pxa2xx_ac97_hw_probe(struct platform_device *dev)
+ }
+
+ if (cpu_is_pxa27x()) {
+- /* Use GPIO 113 as AC97 Reset on Bulverde */
++ /*
++ * This gpio is needed for a work-around to a bug in the ac97
++ * controller during warm reset. The direction and level is set
++ * here so that it is an output driven high when switching from
++ * AC97_nRESET alt function to generic gpio.
++ */
++ ret = gpio_request_one(reset_gpio, GPIOF_OUT_INIT_HIGH,
++ "pxa27x ac97 reset");
++ if (ret < 0) {
++ pr_err("%s: gpio_request_one() failed: %d\n",
++ __func__, ret);
++ goto err_conf;
++ }
+ pxa27x_assert_ac97reset(reset_gpio, 0);
++
+ ac97conf_clk = clk_get(&dev->dev, "AC97CONFCLK");
+ if (IS_ERR(ac97conf_clk)) {
+ ret = PTR_ERR(ac97conf_clk);
+@@ -384,6 +402,8 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_hw_probe);
+
+ void pxa2xx_ac97_hw_remove(struct platform_device *dev)
+ {
++ if (cpu_is_pxa27x())
++ gpio_free(reset_gpio);
+ GCR |= GCR_ACLINK_OFF;
+ free_irq(IRQ_AC97, NULL);
+ if (ac97conf_clk) {
+diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
+index ee895f3..be8c176 100644
+--- a/sound/pci/ali5451/ali5451.c
++++ b/sound/pci/ali5451/ali5451.c
+@@ -1435,7 +1435,7 @@ static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
+
+ spin_lock(&codec->reg_lock);
+ if (!pvoice->running) {
+- spin_unlock_irq(&codec->reg_lock);
++ spin_unlock(&codec->reg_lock);
+ return 0;
+ }
+ outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
+diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
+index 8f23374..c383243 100644
+--- a/sound/pci/hda/patch_hdmi.c
++++ b/sound/pci/hda/patch_hdmi.c
+@@ -924,8 +924,12 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
+ if (!static_hdmi_pcm && eld->eld_valid) {
+ snd_hdmi_eld_update_pcm_info(eld, hinfo);
+ if (hinfo->channels_min > hinfo->channels_max ||
+- !hinfo->rates || !hinfo->formats)
++ !hinfo->rates || !hinfo->formats) {
++ per_cvt->assigned = 0;
++ hinfo->nid = 0;
++ snd_hda_spdif_ctls_unassign(codec, pin_idx);
+ return -ENODEV;
++ }
+ }
+
+ /* Store the updated parameters */
+@@ -989,6 +993,7 @@ static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
+ "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
+ codec->addr, pin_nid, eld->monitor_present, eld_valid);
+
++ eld->eld_valid = false;
+ if (eld_valid) {
+ if (!snd_hdmi_get_eld(eld, codec, pin_nid))
+ snd_hdmi_show_eld(eld);
+@@ -1245,6 +1250,9 @@ static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
+
+ if (pcmdev > 0)
+ sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
++ if (!is_jack_detectable(codec, per_pin->pin_nid))
++ strncat(hdmi_str, " Phantom",
++ sizeof(hdmi_str) - strlen(hdmi_str) - 1);
+
+ return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
+ }
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index e1b7061..51bbe0d 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -4719,6 +4719,7 @@ static const struct snd_pci_quirk alc880_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x1584, 0x9077, "Uniwill P53", ALC880_FIXUP_VOL_KNOB),
+ SND_PCI_QUIRK(0x161f, 0x203d, "W810", ALC880_FIXUP_W810),
+ SND_PCI_QUIRK(0x161f, 0x205d, "Medion Rim 2150", ALC880_FIXUP_MEDION_RIM),
++ SND_PCI_QUIRK(0x1631, 0xe011, "PB 13201056", ALC880_FIXUP_6ST),
+ SND_PCI_QUIRK(0x1734, 0x107c, "FSC F1734", ALC880_FIXUP_F1734),
+ SND_PCI_QUIRK(0x1734, 0x1094, "FSC Amilo M1451G", ALC880_FIXUP_FUJITSU),
+ SND_PCI_QUIRK(0x1734, 0x10ac, "FSC AMILO Xi 1526", ALC880_FIXUP_F1734),
+@@ -5415,6 +5416,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x1043, 0x835f, "Asus Eee 1601", ALC888_FIXUP_EEE1601),
+ SND_PCI_QUIRK(0x104d, 0x9047, "Sony Vaio TT", ALC889_FIXUP_VAIO_TT),
+ SND_PCI_QUIRK(0x104d, 0x905a, "Sony Vaio Z", ALC882_FIXUP_NO_PRIMARY_HP),
++ SND_PCI_QUIRK(0x104d, 0x9043, "Sony Vaio VGC-LN51JGB", ALC882_FIXUP_NO_PRIMARY_HP),
+
+ /* All Apple entries are in codec SSIDs */
+ SND_PCI_QUIRK(0x106b, 0x00a0, "MacBookPro 3,1", ALC889_FIXUP_MBP_VREF),
+@@ -6562,8 +6564,8 @@ static void alc861vd_fixup_dallas(struct hda_codec *codec,
+ const struct alc_fixup *fix, int action)
+ {
+ if (action == ALC_FIXUP_ACT_PRE_PROBE) {
+- snd_hda_override_pin_caps(codec, 0x18, 0x00001714);
+- snd_hda_override_pin_caps(codec, 0x19, 0x0000171c);
++ snd_hda_override_pin_caps(codec, 0x18, 0x00000734);
++ snd_hda_override_pin_caps(codec, 0x19, 0x0000073c);
+ }
+ }
+
+diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
+index 3d4722f..f206117 100644
+--- a/sound/pci/hda/patch_sigmatel.c
++++ b/sound/pci/hda/patch_sigmatel.c
+@@ -1698,7 +1698,7 @@ static const struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = {
+ SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1658,
+ "HP", STAC_92HD83XXX_HP_cNB11_INTQUAD),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1659,
+- "HP", STAC_92HD83XXX_HP_cNB11_INTQUAD),
++ "HP Pavilion dv7", STAC_HP_DV7_4000),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x165A,
+ "HP", STAC_92HD83XXX_HP_cNB11_INTQUAD),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x165B,
+diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c
+index 46b3629..f1dec07 100644
+--- a/sound/pci/rme32.c
++++ b/sound/pci/rme32.c
+@@ -1017,7 +1017,7 @@ static int snd_rme32_capture_close(struct snd_pcm_substream *substream)
+ spin_lock_irq(&rme32->lock);
+ rme32->capture_substream = NULL;
+ rme32->capture_periodsize = 0;
+- spin_unlock(&rme32->lock);
++ spin_unlock_irq(&rme32->lock);
+ return 0;
+ }
+
+diff --git a/sound/soc/codecs/sigmadsp.c b/sound/soc/codecs/sigmadsp.c
+index 5be42bf..4068f24 100644
+--- a/sound/soc/codecs/sigmadsp.c
++++ b/sound/soc/codecs/sigmadsp.c
+@@ -225,7 +225,7 @@ EXPORT_SYMBOL(process_sigma_firmware);
+ static int sigma_action_write_regmap(void *control_data,
+ const struct sigma_action *sa, size_t len)
+ {
+- return regmap_raw_write(control_data, le16_to_cpu(sa->addr),
++ return regmap_raw_write(control_data, be16_to_cpu(sa->addr),
+ sa->payload, len - 2);
+ }
+
+diff --git a/sound/soc/codecs/wm2000.c b/sound/soc/codecs/wm2000.c
+index a3acb7a..6275a2b 100644
+--- a/sound/soc/codecs/wm2000.c
++++ b/sound/soc/codecs/wm2000.c
+@@ -188,9 +188,9 @@ static int wm2000_power_up(struct i2c_client *i2c, int analogue)
+
+ ret = wm2000_read(i2c, WM2000_REG_SPEECH_CLARITY);
+ if (wm2000->speech_clarity)
+- ret &= ~WM2000_SPEECH_CLARITY;
+- else
+ ret |= WM2000_SPEECH_CLARITY;
++ else
++ ret &= ~WM2000_SPEECH_CLARITY;
+ wm2000_write(i2c, WM2000_REG_SPEECH_CLARITY, ret);
+
+ wm2000_write(i2c, WM2000_REG_SYS_START0, 0x33);
+diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
+index c8bff6d..9932aac 100644
+--- a/sound/soc/codecs/wm2200.c
++++ b/sound/soc/codecs/wm2200.c
+@@ -897,8 +897,6 @@ static const char *wm2200_mixer_texts[] = {
+ "EQR",
+ "LHPF1",
+ "LHPF2",
+- "LHPF3",
+- "LHPF4",
+ "DSP1.1",
+ "DSP1.2",
+ "DSP1.3",
+@@ -931,7 +929,6 @@ static int wm2200_mixer_values[] = {
+ 0x25,
+ 0x50, /* EQ */
+ 0x51,
+- 0x52,
+ 0x60, /* LHPF1 */
+ 0x61, /* LHPF2 */
+ 0x68, /* DSP1 */
+@@ -993,9 +990,9 @@ SOC_DOUBLE_R_TLV("IN3 Volume", WM2200_IN3L_CONTROL, WM2200_IN3R_CONTROL,
+
+ SOC_DOUBLE_R("IN1 Digital Switch", WM2200_ADC_DIGITAL_VOLUME_1L,
+ WM2200_ADC_DIGITAL_VOLUME_1R, WM2200_IN1L_MUTE_SHIFT, 1, 1),
+-SOC_DOUBLE_R("IN2 Digital Switch", WM2200_ADC_DIGITAL_VOLUME_1L,
++SOC_DOUBLE_R("IN2 Digital Switch", WM2200_ADC_DIGITAL_VOLUME_2L,
+ WM2200_ADC_DIGITAL_VOLUME_2R, WM2200_IN2L_MUTE_SHIFT, 1, 1),
+-SOC_DOUBLE_R("IN3 Digital Switch", WM2200_ADC_DIGITAL_VOLUME_1L,
++SOC_DOUBLE_R("IN3 Digital Switch", WM2200_ADC_DIGITAL_VOLUME_3L,
+ WM2200_ADC_DIGITAL_VOLUME_3R, WM2200_IN3L_MUTE_SHIFT, 1, 1),
+
+ SOC_DOUBLE_R_TLV("IN1 Digital Volume", WM2200_ADC_DIGITAL_VOLUME_1L,
+@@ -1380,15 +1377,9 @@ static int wm2200_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+ case SND_SOC_DAIFMT_DSP_A:
+ fmt_val = 0;
+ break;
+- case SND_SOC_DAIFMT_DSP_B:
+- fmt_val = 1;
+- break;
+ case SND_SOC_DAIFMT_I2S:
+ fmt_val = 2;
+ break;
+- case SND_SOC_DAIFMT_LEFT_J:
+- fmt_val = 3;
+- break;
+ default:
+ dev_err(codec->dev, "Unsupported DAI format %d\n",
+ fmt & SND_SOC_DAIFMT_FORMAT_MASK);
+@@ -1440,7 +1431,7 @@ static int wm2200_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+ WM2200_AIF1TX_LRCLK_MSTR | WM2200_AIF1TX_LRCLK_INV,
+ lrclk);
+ snd_soc_update_bits(codec, WM2200_AUDIO_IF_1_5,
+- WM2200_AIF1_FMT_MASK << 1, fmt_val << 1);
++ WM2200_AIF1_FMT_MASK, fmt_val);
+
+ return 0;
+ }
+diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
+index f481729..10d48cd 100644
+--- a/sound/soc/codecs/wm5100.c
++++ b/sound/soc/codecs/wm5100.c
+@@ -1279,15 +1279,9 @@ static int wm5100_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+ case SND_SOC_DAIFMT_DSP_A:
+ mask = 0;
+ break;
+- case SND_SOC_DAIFMT_DSP_B:
+- mask = 1;
+- break;
+ case SND_SOC_DAIFMT_I2S:
+ mask = 2;
+ break;
+- case SND_SOC_DAIFMT_LEFT_J:
+- mask = 3;
+- break;
+ default:
+ dev_err(codec->dev, "Unsupported DAI format %d\n",
+ fmt & SND_SOC_DAIFMT_FORMAT_MASK);
+diff --git a/sound/usb/midi.c b/sound/usb/midi.c
+index eeefbce..34b9bb7 100644
+--- a/sound/usb/midi.c
++++ b/sound/usb/midi.c
+@@ -116,6 +116,7 @@ struct snd_usb_midi {
+ struct list_head list;
+ struct timer_list error_timer;
+ spinlock_t disc_lock;
++ struct rw_semaphore disc_rwsem;
+ struct mutex mutex;
+ u32 usb_id;
+ int next_midi_device;
+@@ -125,8 +126,10 @@ struct snd_usb_midi {
+ struct snd_usb_midi_in_endpoint *in;
+ } endpoints[MIDI_MAX_ENDPOINTS];
+ unsigned long input_triggered;
+- unsigned int opened;
++ bool autopm_reference;
++ unsigned int opened[2];
+ unsigned char disconnected;
++ unsigned char input_running;
+
+ struct snd_kcontrol *roland_load_ctl;
+ };
+@@ -148,7 +151,6 @@ struct snd_usb_midi_out_endpoint {
+ struct snd_usb_midi_out_endpoint* ep;
+ struct snd_rawmidi_substream *substream;
+ int active;
+- bool autopm_reference;
+ uint8_t cable; /* cable number << 4 */
+ uint8_t state;
+ #define STATE_UNKNOWN 0
+@@ -1033,29 +1035,58 @@ static void update_roland_altsetting(struct snd_usb_midi* umidi)
+ snd_usbmidi_input_start(&umidi->list);
+ }
+
+-static void substream_open(struct snd_rawmidi_substream *substream, int open)
++static int substream_open(struct snd_rawmidi_substream *substream, int dir,
++ int open)
+ {
+ struct snd_usb_midi* umidi = substream->rmidi->private_data;
+ struct snd_kcontrol *ctl;
++ int err;
++
++ down_read(&umidi->disc_rwsem);
++ if (umidi->disconnected) {
++ up_read(&umidi->disc_rwsem);
++ return open ? -ENODEV : 0;
++ }
+
+ mutex_lock(&umidi->mutex);
+ if (open) {
+- if (umidi->opened++ == 0 && umidi->roland_load_ctl) {
+- ctl = umidi->roland_load_ctl;
+- ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+- snd_ctl_notify(umidi->card,
++ if (!umidi->opened[0] && !umidi->opened[1]) {
++ err = usb_autopm_get_interface(umidi->iface);
++ umidi->autopm_reference = err >= 0;
++ if (err < 0 && err != -EACCES) {
++ mutex_unlock(&umidi->mutex);
++ up_read(&umidi->disc_rwsem);
++ return -EIO;
++ }
++ if (umidi->roland_load_ctl) {
++ ctl = umidi->roland_load_ctl;
++ ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
++ snd_ctl_notify(umidi->card,
+ SNDRV_CTL_EVENT_MASK_INFO, &ctl->id);
+- update_roland_altsetting(umidi);
++ update_roland_altsetting(umidi);
++ }
+ }
++ umidi->opened[dir]++;
++ if (umidi->opened[1])
++ snd_usbmidi_input_start(&umidi->list);
+ } else {
+- if (--umidi->opened == 0 && umidi->roland_load_ctl) {
+- ctl = umidi->roland_load_ctl;
+- ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+- snd_ctl_notify(umidi->card,
++ umidi->opened[dir]--;
++ if (!umidi->opened[1])
++ snd_usbmidi_input_stop(&umidi->list);
++ if (!umidi->opened[0] && !umidi->opened[1]) {
++ if (umidi->roland_load_ctl) {
++ ctl = umidi->roland_load_ctl;
++ ctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
++ snd_ctl_notify(umidi->card,
+ SNDRV_CTL_EVENT_MASK_INFO, &ctl->id);
++ }
++ if (umidi->autopm_reference)
++ usb_autopm_put_interface(umidi->iface);
+ }
+ }
+ mutex_unlock(&umidi->mutex);
++ up_read(&umidi->disc_rwsem);
++ return 0;
+ }
+
+ static int snd_usbmidi_output_open(struct snd_rawmidi_substream *substream)
+@@ -1063,7 +1094,6 @@ static int snd_usbmidi_output_open(struct snd_rawmidi_substream *substream)
+ struct snd_usb_midi* umidi = substream->rmidi->private_data;
+ struct usbmidi_out_port* port = NULL;
+ int i, j;
+- int err;
+
+ for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i)
+ if (umidi->endpoints[i].out)
+@@ -1076,25 +1106,15 @@ static int snd_usbmidi_output_open(struct snd_rawmidi_substream *substream)
+ snd_BUG();
+ return -ENXIO;
+ }
+- err = usb_autopm_get_interface(umidi->iface);
+- port->autopm_reference = err >= 0;
+- if (err < 0 && err != -EACCES)
+- return -EIO;
++
+ substream->runtime->private_data = port;
+ port->state = STATE_UNKNOWN;
+- substream_open(substream, 1);
+- return 0;
++ return substream_open(substream, 0, 1);
+ }
+
+ static int snd_usbmidi_output_close(struct snd_rawmidi_substream *substream)
+ {
+- struct snd_usb_midi* umidi = substream->rmidi->private_data;
+- struct usbmidi_out_port *port = substream->runtime->private_data;
+-
+- substream_open(substream, 0);
+- if (port->autopm_reference)
+- usb_autopm_put_interface(umidi->iface);
+- return 0;
++ return substream_open(substream, 0, 0);
+ }
+
+ static void snd_usbmidi_output_trigger(struct snd_rawmidi_substream *substream, int up)
+@@ -1147,14 +1167,12 @@ static void snd_usbmidi_output_drain(struct snd_rawmidi_substream *substream)
+
+ static int snd_usbmidi_input_open(struct snd_rawmidi_substream *substream)
+ {
+- substream_open(substream, 1);
+- return 0;
++ return substream_open(substream, 1, 1);
+ }
+
+ static int snd_usbmidi_input_close(struct snd_rawmidi_substream *substream)
+ {
+- substream_open(substream, 0);
+- return 0;
++ return substream_open(substream, 1, 0);
+ }
+
+ static void snd_usbmidi_input_trigger(struct snd_rawmidi_substream *substream, int up)
+@@ -1403,9 +1421,12 @@ void snd_usbmidi_disconnect(struct list_head* p)
+ * a timer may submit an URB. To reliably break the cycle
+ * a flag under lock must be used
+ */
++ down_write(&umidi->disc_rwsem);
+ spin_lock_irq(&umidi->disc_lock);
+ umidi->disconnected = 1;
+ spin_unlock_irq(&umidi->disc_lock);
++ up_write(&umidi->disc_rwsem);
++
+ for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
+ struct snd_usb_midi_endpoint* ep = &umidi->endpoints[i];
+ if (ep->out)
+@@ -2060,12 +2081,15 @@ void snd_usbmidi_input_stop(struct list_head* p)
+ unsigned int i, j;
+
+ umidi = list_entry(p, struct snd_usb_midi, list);
++ if (!umidi->input_running)
++ return;
+ for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
+ struct snd_usb_midi_endpoint* ep = &umidi->endpoints[i];
+ if (ep->in)
+ for (j = 0; j < INPUT_URBS; ++j)
+ usb_kill_urb(ep->in->urbs[j]);
+ }
++ umidi->input_running = 0;
+ }
+
+ static void snd_usbmidi_input_start_ep(struct snd_usb_midi_in_endpoint* ep)
+@@ -2090,8 +2114,11 @@ void snd_usbmidi_input_start(struct list_head* p)
+ int i;
+
+ umidi = list_entry(p, struct snd_usb_midi, list);
++ if (umidi->input_running || !umidi->opened[1])
++ return;
+ for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i)
+ snd_usbmidi_input_start_ep(umidi->endpoints[i].in);
++ umidi->input_running = 1;
+ }
+
+ /*
+@@ -2117,6 +2144,7 @@ int snd_usbmidi_create(struct snd_card *card,
+ umidi->usb_protocol_ops = &snd_usbmidi_standard_ops;
+ init_timer(&umidi->error_timer);
+ spin_lock_init(&umidi->disc_lock);
++ init_rwsem(&umidi->disc_rwsem);
+ mutex_init(&umidi->mutex);
+ umidi->usb_id = USB_ID(le16_to_cpu(umidi->dev->descriptor.idVendor),
+ le16_to_cpu(umidi->dev->descriptor.idProduct));
+@@ -2229,9 +2257,6 @@ int snd_usbmidi_create(struct snd_card *card,
+ }
+
+ list_add_tail(&umidi->list, midi_list);
+-
+- for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i)
+- snd_usbmidi_input_start_ep(umidi->endpoints[i].in);
+ return 0;
+ }
+
+diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
+index 298070e..41e8bfb 100644
+--- a/sound/usb/mixer.c
++++ b/sound/usb/mixer.c
+@@ -1259,16 +1259,23 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void
+ }
+ channels = (hdr->bLength - 7) / csize - 1;
+ bmaControls = hdr->bmaControls;
++ if (hdr->bLength < 7 + csize) {
++ snd_printk(KERN_ERR "usbaudio: unit %u: "
++ "invalid UAC_FEATURE_UNIT descriptor\n",
++ unitid);
++ return -EINVAL;
++ }
+ } else {
+ struct uac2_feature_unit_descriptor *ftr = _ftr;
+ csize = 4;
+ channels = (hdr->bLength - 6) / 4 - 1;
+ bmaControls = ftr->bmaControls;
+- }
+-
+- if (hdr->bLength < 7 || !csize || hdr->bLength < 7 + csize) {
+- snd_printk(KERN_ERR "usbaudio: unit %u: invalid UAC_FEATURE_UNIT descriptor\n", unitid);
+- return -EINVAL;
++ if (hdr->bLength < 6 + csize) {
++ snd_printk(KERN_ERR "usbaudio: unit %u: "
++ "invalid UAC_FEATURE_UNIT descriptor\n",
++ unitid);
++ return -EINVAL;
++ }
+ }
+
+ /* parse the source unit */
+diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
+index d73ac9b..128eb0c 100644
+--- a/sound/usb/quirks-table.h
++++ b/sound/usb/quirks-table.h
+@@ -1658,7 +1658,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
+ .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+ /* .vendor_name = "Roland", */
+ /* .product_name = "A-PRO", */
+- .ifnum = 1,
++ .ifnum = 0,
+ .type = QUIRK_MIDI_FIXED_ENDPOINT,
+ .data = & (const struct snd_usb_midi_endpoint_info) {
+ .out_cables = 0x0003,
+diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
+index 0f58b4b..b8d1ad1 100644
+--- a/sound/usb/quirks.c
++++ b/sound/usb/quirks.c
+@@ -387,11 +387,13 @@ static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
+ * rules
+ */
+ err = usb_driver_set_configuration(dev, 2);
+- if (err < 0) {
++ if (err < 0)
+ snd_printdd("error usb_driver_set_configuration: %d\n",
+ err);
+- return -ENODEV;
+- }
++ /* Always return an error, so that we stop creating a device
++ that will just be destroyed and recreated with a new
++ configuration */
++ return -ENODEV;
+ } else
+ snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n");
+
+diff --git a/tools/perf/Makefile b/tools/perf/Makefile
+index 3657ab0..243ae64 100644
+--- a/tools/perf/Makefile
++++ b/tools/perf/Makefile
+@@ -225,13 +225,13 @@ $(OUTPUT)util/parse-events-flex.c: util/parse-events.l
+ $(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) -t util/parse-events.l > $(OUTPUT)util/parse-events-flex.c
+
+ $(OUTPUT)util/parse-events-bison.c: util/parse-events.y
+- $(QUIET_BISON)$(BISON) -v util/parse-events.y -d $(PARSER_DEBUG_BISON) -o $(OUTPUT)util/parse-events-bison.c
++ $(QUIET_BISON)$(BISON) -v util/parse-events.y -d $(PARSER_DEBUG_BISON) -o $(OUTPUT)util/parse-events-bison.c -p parse_events_
+
+ $(OUTPUT)util/pmu-flex.c: util/pmu.l
+ $(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/pmu-flex.h -t util/pmu.l > $(OUTPUT)util/pmu-flex.c
+
+ $(OUTPUT)util/pmu-bison.c: util/pmu.y
+- $(QUIET_BISON)$(BISON) -v util/pmu.y -d -o $(OUTPUT)util/pmu-bison.c
++ $(QUIET_BISON)$(BISON) -v util/pmu.y -d -o $(OUTPUT)util/pmu-bison.c -p perf_pmu_
+
+ $(OUTPUT)util/parse-events.o: $(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-bison.c
+ $(OUTPUT)util/pmu.o: $(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-bison.c
+diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
+index 2bc5fbf..68a5f42 100644
+--- a/tools/perf/util/parse-events.y
++++ b/tools/perf/util/parse-events.y
+@@ -1,5 +1,4 @@
+ %pure-parser
+-%name-prefix "parse_events_"
+ %parse-param {void *_data}
+ %parse-param {void *scanner}
+ %lex-param {void* scanner}
+diff --git a/tools/perf/util/pmu.y b/tools/perf/util/pmu.y
+index 20ea77e..522943f 100644
+--- a/tools/perf/util/pmu.y
++++ b/tools/perf/util/pmu.y
+@@ -1,5 +1,4 @@
+
+-%name-prefix "perf_pmu_"
+ %parse-param {struct list_head *format}
+ %parse-param {char *name}
+
+diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
+index d617f69..cd197be 100644
+--- a/virt/kvm/kvm_main.c
++++ b/virt/kvm/kvm_main.c
+@@ -701,8 +701,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
+ int r;
+ gfn_t base_gfn;
+ unsigned long npages;
+- unsigned long i;
+- struct kvm_memory_slot *memslot;
++ struct kvm_memory_slot *memslot, *slot;
+ struct kvm_memory_slot old, new;
+ struct kvm_memslots *slots, *old_memslots;
+
+@@ -749,13 +748,11 @@ int __kvm_set_memory_region(struct kvm *kvm,
+
+ /* Check for overlaps */
+ r = -EEXIST;
+- for (i = 0; i < KVM_MEMORY_SLOTS; ++i) {
+- struct kvm_memory_slot *s = &kvm->memslots->memslots[i];
+-
+- if (s == memslot || !s->npages)
++ kvm_for_each_memslot(slot, kvm->memslots) {
++ if (slot->id >= KVM_MEMORY_SLOTS || slot == memslot)
+ continue;
+- if (!((base_gfn + npages <= s->base_gfn) ||
+- (base_gfn >= s->base_gfn + s->npages)))
++ if (!((base_gfn + npages <= slot->base_gfn) ||
++ (base_gfn >= slot->base_gfn + slot->npages)))
+ goto out_free;
+ }
+
diff --git a/main/linux-vserver/patch-3.7.10-vs2.3.5.6.diff b/main/linux-vserver/patch-3.7.10-vs2.3.5.6.diff
new file mode 100644
index 0000000000..a35ca32a0b
--- /dev/null
+++ b/main/linux-vserver/patch-3.7.10-vs2.3.5.6.diff
@@ -0,0 +1,26174 @@
+diff -NurpP --minimal linux-3.7.10/Documentation/vserver/debug.txt linux-3.7.10-vs2.3.5.6/Documentation/vserver/debug.txt
+--- linux-3.7.10/Documentation/vserver/debug.txt 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/Documentation/vserver/debug.txt 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,154 @@
++
++debug_cvirt:
++
++ 2 4 "vx_map_tgid: %p/%llx: %d -> %d"
++ "vx_rmap_tgid: %p/%llx: %d -> %d"
++
++debug_dlim:
++
++ 0 1 "ALLOC (%p,#%d)%c inode (%d)"
++ "FREE (%p,#%d)%c inode"
++ 1 2 "ALLOC (%p,#%d)%c %lld bytes (%d)"
++ "FREE (%p,#%d)%c %lld bytes"
++ 2 4 "ADJUST: %lld,%lld on %ld,%ld [mult=%d]"
++ 3 8 "ext3_has_free_blocks(%p): %lu<%lu+1, %c, %u!=%u r=%d"
++ "ext3_has_free_blocks(%p): free=%lu, root=%lu"
++ "rcu_free_dl_info(%p)"
++ 4 10 "alloc_dl_info(%p,%d) = %p"
++ "dealloc_dl_info(%p)"
++ "get_dl_info(%p[#%d.%d])"
++ "put_dl_info(%p[#%d.%d])"
++ 5 20 "alloc_dl_info(%p,%d)*"
++ 6 40 "__hash_dl_info: %p[#%d]"
++ "__unhash_dl_info: %p[#%d]"
++ 7 80 "locate_dl_info(%p,#%d) = %p"
++
++debug_misc:
++
++ 0 1 "destroy_dqhash: %p [#0x%08x] c=%d"
++ "new_dqhash: %p [#0x%08x]"
++ "vroot[%d]_clr_dev: dev=%p[%lu,%d:%d]"
++ "vroot[%d]_get_real_bdev: dev=%p[%lu,%d:%d]"
++ "vroot[%d]_set_dev: dev=%p[%lu,%d:%d]"
++ "vroot_get_real_bdev not set"
++ 1 2 "cow_break_link(»%s«)"
++ "temp copy »%s«"
++ 2 4 "dentry_open(new): %p"
++ "dentry_open(old): %p"
++ "lookup_create(new): %p"
++ "old path »%s«"
++ "path_lookup(old): %d"
++ "vfs_create(new): %d"
++ "vfs_rename: %d"
++ "vfs_sendfile: %d"
++ 3 8 "fput(new_file=%p[#%d])"
++ "fput(old_file=%p[#%d])"
++ 4 10 "vx_info_kill(%p[#%d],%d,%d) = %d"
++ "vx_info_kill(%p[#%d],%d,%d)*"
++ 5 20 "vs_reboot(%p[#%d],%d)"
++ 6 40 "dropping task %p[#%u,%u] for %p[#%u,%u]"
++
++debug_net:
++
++ 2 4 "nx_addr_conflict(%p,%p) %d.%d,%d.%d"
++ 3 8 "inet_bind(%p) %d.%d.%d.%d, %d.%d.%d.%d, %d.%d.%d.%d"
++ "inet_bind(%p)* %p,%p;%lx %d.%d.%d.%d"
++ 4 10 "ip_route_connect(%p) %p,%p;%lx"
++ 5 20 "__addr_in_socket(%p,%d.%d.%d.%d) %p:%d.%d.%d.%d %p;%lx"
++ 6 40 "sk,egf: %p [#%d] (from %d)"
++ "sk,egn: %p [#%d] (from %d)"
++ "sk,req: %p [#%d] (from %d)"
++ "sk: %p [#%d] (from %d)"
++ "tw: %p [#%d] (from %d)"
++ 7 80 "__sock_recvmsg: %p[%p,%p,%p;%d]:%d/%d"
++ "__sock_sendmsg: %p[%p,%p,%p;%d]:%d/%d"
++
++debug_nid:
++
++ 0 1 "__lookup_nx_info(#%u): %p[#%u]"
++ "alloc_nx_info(%d) = %p"
++ "create_nx_info(%d) (dynamic rejected)"
++ "create_nx_info(%d) = %p (already there)"
++ "create_nx_info(%d) = %p (new)"
++ "dealloc_nx_info(%p)"
++ 1 2 "alloc_nx_info(%d)*"
++ "create_nx_info(%d)*"
++ 2 4 "get_nx_info(%p[#%d.%d])"
++ "put_nx_info(%p[#%d.%d])"
++ 3 8 "claim_nx_info(%p[#%d.%d.%d]) %p"
++ "clr_nx_info(%p[#%d.%d])"
++ "init_nx_info(%p[#%d.%d])"
++ "release_nx_info(%p[#%d.%d.%d]) %p"
++ "set_nx_info(%p[#%d.%d])"
++ 4 10 "__hash_nx_info: %p[#%d]"
++ "__nx_dynamic_id: [#%d]"
++ "__unhash_nx_info: %p[#%d.%d.%d]"
++ 5 20 "moved task %p into nxi:%p[#%d]"
++ "nx_migrate_task(%p,%p[#%d.%d.%d])"
++ "task_get_nx_info(%p)"
++ 6 40 "nx_clear_persistent(%p[#%d])"
++
++debug_quota:
++
++ 0 1 "quota_sync_dqh(%p,%d) discard inode %p"
++ 1 2 "quota_sync_dqh(%p,%d)"
++ "sync_dquots(%p,%d)"
++ "sync_dquots_dqh(%p,%d)"
++ 3 8 "do_quotactl(%p,%d,cmd=%d,id=%d,%p)"
++
++debug_switch:
++
++ 0 1 "vc: VCMD_%02d_%d[%d], %d,%p [%d,%d,%x,%x]"
++ 1 2 "vc: VCMD_%02d_%d[%d] = %08lx(%ld) [%d,%d]"
++ 4 10 "%s: (%s %s) returned %s with %d"
++
++debug_tag:
++
++ 7 80 "dx_parse_tag(»%s«): %d:#%d"
++ "dx_propagate_tag(%p[#%lu.%d]): %d,%d"
++
++debug_xid:
++
++ 0 1 "__lookup_vx_info(#%u): %p[#%u]"
++ "alloc_vx_info(%d) = %p"
++ "alloc_vx_info(%d)*"
++ "create_vx_info(%d) (dynamic rejected)"
++ "create_vx_info(%d) = %p (already there)"
++ "create_vx_info(%d) = %p (new)"
++ "dealloc_vx_info(%p)"
++ "loc_vx_info(%d) = %p (found)"
++ "loc_vx_info(%d) = %p (new)"
++ "loc_vx_info(%d) = %p (not available)"
++ 1 2 "create_vx_info(%d)*"
++ "loc_vx_info(%d)*"
++ 2 4 "get_vx_info(%p[#%d.%d])"
++ "put_vx_info(%p[#%d.%d])"
++ 3 8 "claim_vx_info(%p[#%d.%d.%d]) %p"
++ "clr_vx_info(%p[#%d.%d])"
++ "init_vx_info(%p[#%d.%d])"
++ "release_vx_info(%p[#%d.%d.%d]) %p"
++ "set_vx_info(%p[#%d.%d])"
++ 4 10 "__hash_vx_info: %p[#%d]"
++ "__unhash_vx_info: %p[#%d.%d.%d]"
++ "__vx_dynamic_id: [#%d]"
++ 5 20 "enter_vx_info(%p[#%d],%p) %p[#%d,%p]"
++ "leave_vx_info(%p[#%d,%p]) %p[#%d,%p]"
++ "moved task %p into vxi:%p[#%d]"
++ "task_get_vx_info(%p)"
++ "vx_migrate_task(%p,%p[#%d.%d])"
++ 6 40 "vx_clear_persistent(%p[#%d])"
++ "vx_exit_init(%p[#%d],%p[#%d,%d,%d])"
++ "vx_set_init(%p[#%d],%p[#%d,%d,%d])"
++ "vx_set_persistent(%p[#%d])"
++ "vx_set_reaper(%p[#%d],%p[#%d,%d])"
++ 7 80 "vx_child_reaper(%p[#%u,%u]) = %p[#%u,%u]"
++
++
++debug_limit:
++
++ n 2^n "vx_acc_cres[%5d,%s,%2d]: %5d%s"
++ "vx_cres_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
++
++ m 2^m "vx_acc_page[%5d,%s,%2d]: %5d%s"
++ "vx_acc_pages[%5d,%s,%2d]: %5d += %5d"
++ "vx_pages_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
+diff -NurpP --minimal linux-3.7.10/Makefile linux-3.7.10-vs2.3.5.6/Makefile
+--- linux-3.7.10/Makefile 2013-03-02 09:54:53.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/Makefile 2013-03-02 17:55:53.000000000 +0000
+@@ -1,7 +1,7 @@
+ VERSION = 3
+ PATCHLEVEL = 7
+ SUBLEVEL = 10
+-EXTRAVERSION =
++EXTRAVERSION = -vs2.3.5.6
+ NAME = Terrified Chipmunk
+
+ # *DOCUMENTATION*
+diff -NurpP --minimal linux-3.7.10/arch/alpha/Kconfig linux-3.7.10-vs2.3.5.6/arch/alpha/Kconfig
+--- linux-3.7.10/arch/alpha/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/alpha/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -668,6 +668,8 @@ config DUMMY_CONSOLE
+ depends on VGA_HOSE
+ default y
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/alpha/kernel/systbls.S linux-3.7.10-vs2.3.5.6/arch/alpha/kernel/systbls.S
+--- linux-3.7.10/arch/alpha/kernel/systbls.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/alpha/kernel/systbls.S 2012-12-18 15:13:16.000000000 +0000
+@@ -446,7 +446,7 @@ sys_call_table:
+ .quad sys_stat64 /* 425 */
+ .quad sys_lstat64
+ .quad sys_fstat64
+- .quad sys_ni_syscall /* sys_vserver */
++ .quad sys_vserver /* sys_vserver */
+ .quad sys_ni_syscall /* sys_mbind */
+ .quad sys_ni_syscall /* sys_get_mempolicy */
+ .quad sys_ni_syscall /* sys_set_mempolicy */
+diff -NurpP --minimal linux-3.7.10/arch/alpha/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/alpha/kernel/traps.c
+--- linux-3.7.10/arch/alpha/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/alpha/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -184,7 +184,8 @@ die_if_kernel(char * str, struct pt_regs
+ #ifdef CONFIG_SMP
+ printk("CPU %d ", hard_smp_processor_id());
+ #endif
+- printk("%s(%d): %s %ld\n", current->comm, task_pid_nr(current), str, err);
++ printk("%s(%d[#%u]): %s %ld\n", current->comm,
++ task_pid_nr(current), current->xid, str, err);
+ dik_show_regs(regs, r9_15);
+ add_taint(TAINT_DIE);
+ dik_show_trace((unsigned long *)(regs+1));
+diff -NurpP --minimal linux-3.7.10/arch/arm/Kconfig linux-3.7.10-vs2.3.5.6/arch/arm/Kconfig
+--- linux-3.7.10/arch/arm/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/arm/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -2307,6 +2307,8 @@ source "fs/Kconfig"
+
+ source "arch/arm/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/arm/kernel/calls.S linux-3.7.10-vs2.3.5.6/arch/arm/kernel/calls.S
+--- linux-3.7.10/arch/arm/kernel/calls.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/arm/kernel/calls.S 2012-12-18 15:13:16.000000000 +0000
+@@ -322,7 +322,7 @@
+ /* 310 */ CALL(sys_request_key)
+ CALL(sys_keyctl)
+ CALL(ABI(sys_semtimedop, sys_oabi_semtimedop))
+-/* vserver */ CALL(sys_ni_syscall)
++ CALL(sys_vserver)
+ CALL(sys_ioprio_set)
+ /* 315 */ CALL(sys_ioprio_get)
+ CALL(sys_inotify_init)
+diff -NurpP --minimal linux-3.7.10/arch/arm/kernel/process.c linux-3.7.10-vs2.3.5.6/arch/arm/kernel/process.c
+--- linux-3.7.10/arch/arm/kernel/process.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/arm/kernel/process.c 2012-12-18 15:13:16.000000000 +0000
+@@ -337,7 +337,8 @@ void __show_regs(struct pt_regs *regs)
+ void show_regs(struct pt_regs * regs)
+ {
+ printk("\n");
+- printk("Pid: %d, comm: %20s\n", task_pid_nr(current), current->comm);
++ printk("Pid: %d[#%u], comm: %20s\n",
++ task_pid_nr(current), current->xid, current->comm);
+ __show_regs(regs);
+ dump_stack();
+ }
+diff -NurpP --minimal linux-3.7.10/arch/arm/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/arm/kernel/traps.c
+--- linux-3.7.10/arch/arm/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/arm/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -249,8 +249,8 @@ static int __die(const char *str, int er
+
+ print_modules();
+ __show_regs(regs);
+- printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n",
+- TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk));
++ printk(KERN_EMERG "Process %.*s (pid: %d:#%u, stack limit = 0x%p)\n",
++ TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), tsk->xid, end_of_stack(tsk));
+
+ if (!user_mode(regs) || in_interrupt()) {
+ dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp,
+diff -NurpP --minimal linux-3.7.10/arch/cris/Kconfig linux-3.7.10-vs2.3.5.6/arch/cris/Kconfig
+--- linux-3.7.10/arch/cris/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/cris/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -670,6 +670,8 @@ source "drivers/staging/Kconfig"
+
+ source "arch/cris/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/h8300/Kconfig linux-3.7.10-vs2.3.5.6/arch/h8300/Kconfig
+--- linux-3.7.10/arch/h8300/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/h8300/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -217,6 +217,8 @@ source "fs/Kconfig"
+
+ source "arch/h8300/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/ia64/Kconfig linux-3.7.10-vs2.3.5.6/arch/ia64/Kconfig
+--- linux-3.7.10/arch/ia64/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/ia64/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -644,6 +644,8 @@ source "fs/Kconfig"
+
+ source "arch/ia64/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/ia64/kernel/entry.S linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/entry.S
+--- linux-3.7.10/arch/ia64/kernel/entry.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/entry.S 2012-12-18 15:13:16.000000000 +0000
+@@ -1714,7 +1714,7 @@ sys_call_table:
+ data8 sys_mq_notify
+ data8 sys_mq_getsetattr
+ data8 sys_kexec_load
+- data8 sys_ni_syscall // reserved for vserver
++ data8 sys_vserver
+ data8 sys_waitid // 1270
+ data8 sys_add_key
+ data8 sys_request_key
+diff -NurpP --minimal linux-3.7.10/arch/ia64/kernel/process.c linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/process.c
+--- linux-3.7.10/arch/ia64/kernel/process.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/process.c 2012-12-18 15:13:16.000000000 +0000
+@@ -111,8 +111,8 @@ show_regs (struct pt_regs *regs)
+ unsigned long ip = regs->cr_iip + ia64_psr(regs)->ri;
+
+ print_modules();
+- printk("\nPid: %d, CPU %d, comm: %20s\n", task_pid_nr(current),
+- smp_processor_id(), current->comm);
++ printk("\nPid: %d[#%u], CPU %d, comm: %20s\n", task_pid_nr(current),
++ current->xid, smp_processor_id(), current->comm);
+ printk("psr : %016lx ifs : %016lx ip : [<%016lx>] %s (%s)\n",
+ regs->cr_ipsr, regs->cr_ifs, ip, print_tainted(),
+ init_utsname()->release);
+diff -NurpP --minimal linux-3.7.10/arch/ia64/kernel/ptrace.c linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/ptrace.c
+--- linux-3.7.10/arch/ia64/kernel/ptrace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/ptrace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/regset.h>
+ #include <linux/elf.h>
+ #include <linux/tracehook.h>
++#include <linux/vs_base.h>
+
+ #include <asm/pgtable.h>
+ #include <asm/processor.h>
+diff -NurpP --minimal linux-3.7.10/arch/ia64/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/traps.c
+--- linux-3.7.10/arch/ia64/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -60,8 +60,9 @@ die (const char *str, struct pt_regs *re
+ put_cpu();
+
+ if (++die.lock_owner_depth < 3) {
+- printk("%s[%d]: %s %ld [%d]\n",
+- current->comm, task_pid_nr(current), str, err, ++die_counter);
++ printk("%s[%d[#%u]]: %s %ld [%d]\n",
++ current->comm, task_pid_nr(current), current->xid,
++ str, err, ++die_counter);
+ if (notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV)
+ != NOTIFY_STOP)
+ show_regs(regs);
+@@ -324,8 +325,9 @@ handle_fpu_swa (int fp_fault, struct pt_
+ if ((last.count & 15) < 5 && (ia64_fetchadd(1, &last.count, acq) & 15) < 5) {
+ last.time = current_jiffies + 5 * HZ;
+ printk(KERN_WARNING
+- "%s(%d): floating-point assist fault at ip %016lx, isr %016lx\n",
+- current->comm, task_pid_nr(current), regs->cr_iip + ia64_psr(regs)->ri, isr);
++ "%s(%d[#%u]): floating-point assist fault at ip %016lx, isr %016lx\n",
++ current->comm, task_pid_nr(current), current->xid,
++ regs->cr_iip + ia64_psr(regs)->ri, isr);
+ }
+ }
+ }
+diff -NurpP --minimal linux-3.7.10/arch/m32r/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/m32r/kernel/traps.c
+--- linux-3.7.10/arch/m32r/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/m32r/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -195,8 +195,9 @@ static void show_registers(struct pt_reg
+ } else {
+ printk("SPI: %08lx\n", sp);
+ }
+- printk("Process %s (pid: %d, process nr: %d, stackpage=%08lx)",
+- current->comm, task_pid_nr(current), 0xffff & i, 4096+(unsigned long)current);
++ printk("Process %s (pid: %d[#%u], process nr: %d, stackpage=%08lx)",
++ current->comm, task_pid_nr(current), current->xid,
++ 0xffff & i, 4096+(unsigned long)current);
+
+ /*
+ * When in-kernel, we also print out the stack and code at the
+diff -NurpP --minimal linux-3.7.10/arch/m68k/Kconfig linux-3.7.10-vs2.3.5.6/arch/m68k/Kconfig
+--- linux-3.7.10/arch/m68k/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/m68k/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -135,6 +135,8 @@ source "fs/Kconfig"
+
+ source "arch/m68k/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/mips/Kconfig linux-3.7.10-vs2.3.5.6/arch/mips/Kconfig
+--- linux-3.7.10/arch/mips/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -2574,6 +2574,8 @@ source "fs/Kconfig"
+
+ source "arch/mips/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/ptrace.c linux-3.7.10-vs2.3.5.6/arch/mips/kernel/ptrace.c
+--- linux-3.7.10/arch/mips/kernel/ptrace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/ptrace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,7 @@
+ #include <linux/security.h>
+ #include <linux/audit.h>
+ #include <linux/seccomp.h>
++#include <linux/vs_base.h>
+
+ #include <asm/byteorder.h>
+ #include <asm/cpu.h>
+@@ -262,6 +263,9 @@ long arch_ptrace(struct task_struct *chi
+ void __user *datavp = (void __user *) data;
+ unsigned long __user *datalp = (void __user *) data;
+
++ if (!vx_check(vx_task_xid(child), VS_WATCH_P | VS_IDENT))
++ goto out;
++
+ switch (request) {
+ /* when I and D space are separate, these will need to be fixed. */
+ case PTRACE_PEEKTEXT: /* read word at location addr. */
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/scall32-o32.S linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall32-o32.S
+--- linux-3.7.10/arch/mips/kernel/scall32-o32.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall32-o32.S 2012-12-18 15:13:16.000000000 +0000
+@@ -512,7 +512,7 @@ einval: li v0, -ENOSYS
+ sys sys_mq_timedreceive 5
+ sys sys_mq_notify 2 /* 4275 */
+ sys sys_mq_getsetattr 3
+- sys sys_ni_syscall 0 /* sys_vserver */
++ sys sys_vserver 3
+ sys sys_waitid 5
+ sys sys_ni_syscall 0 /* available, was setaltroot */
+ sys sys_add_key 5 /* 4280 */
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/scall64-64.S linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-64.S
+--- linux-3.7.10/arch/mips/kernel/scall64-64.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-64.S 2012-12-18 15:13:16.000000000 +0000
+@@ -351,7 +351,7 @@ sys_call_table:
+ PTR sys_mq_timedreceive
+ PTR sys_mq_notify
+ PTR sys_mq_getsetattr /* 5235 */
+- PTR sys_ni_syscall /* sys_vserver */
++ PTR sys_vserver
+ PTR sys_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/scall64-n32.S linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-n32.S
+--- linux-3.7.10/arch/mips/kernel/scall64-n32.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-n32.S 2012-12-18 15:13:16.000000000 +0000
+@@ -350,7 +350,7 @@ EXPORT(sysn32_call_table)
+ PTR compat_sys_mq_timedreceive
+ PTR compat_sys_mq_notify
+ PTR compat_sys_mq_getsetattr
+- PTR sys_ni_syscall /* 6240, sys_vserver */
++ PTR sys32_vserver /* 6240 */
+ PTR compat_sys_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/scall64-o32.S linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-o32.S
+--- linux-3.7.10/arch/mips/kernel/scall64-o32.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-o32.S 2012-12-18 15:13:16.000000000 +0000
+@@ -469,7 +469,7 @@ sys_call_table:
+ PTR compat_sys_mq_timedreceive
+ PTR compat_sys_mq_notify /* 4275 */
+ PTR compat_sys_mq_getsetattr
+- PTR sys_ni_syscall /* sys_vserver */
++ PTR sys32_vserver
+ PTR sys_32_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key /* 4280 */
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/mips/kernel/traps.c
+--- linux-3.7.10/arch/mips/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -347,9 +347,10 @@ void show_registers(struct pt_regs *regs
+
+ __show_regs(regs);
+ print_modules();
+- printk("Process %s (pid: %d, threadinfo=%p, task=%p, tls=%0*lx)\n",
+- current->comm, current->pid, current_thread_info(), current,
+- field, current_thread_info()->tp_value);
++ printk("Process %s (pid: %d:#%u, threadinfo=%p, task=%p, tls=%0*lx)\n",
++ current->comm, task_pid_nr(current), current->xid,
++ current_thread_info(), current,
++ field, current_thread_info()->tp_value);
+ if (cpu_has_userlocal) {
+ unsigned long tls;
+
+diff -NurpP --minimal linux-3.7.10/arch/parisc/Kconfig linux-3.7.10-vs2.3.5.6/arch/parisc/Kconfig
+--- linux-3.7.10/arch/parisc/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/parisc/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -284,6 +284,8 @@ source "fs/Kconfig"
+
+ source "arch/parisc/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/parisc/kernel/syscall_table.S linux-3.7.10-vs2.3.5.6/arch/parisc/kernel/syscall_table.S
+--- linux-3.7.10/arch/parisc/kernel/syscall_table.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/parisc/kernel/syscall_table.S 2012-12-18 15:13:16.000000000 +0000
+@@ -361,7 +361,7 @@
+ ENTRY_COMP(mbind) /* 260 */
+ ENTRY_COMP(get_mempolicy)
+ ENTRY_COMP(set_mempolicy)
+- ENTRY_SAME(ni_syscall) /* 263: reserved for vserver */
++ ENTRY_DIFF(vserver)
+ ENTRY_SAME(add_key)
+ ENTRY_SAME(request_key) /* 265 */
+ ENTRY_SAME(keyctl)
+diff -NurpP --minimal linux-3.7.10/arch/parisc/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/parisc/kernel/traps.c
+--- linux-3.7.10/arch/parisc/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/parisc/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -235,8 +235,9 @@ void die_if_kernel(char *str, struct pt_
+ if (err == 0)
+ return; /* STFU */
+
+- printk(KERN_CRIT "%s (pid %d): %s (code %ld) at " RFMT "\n",
+- current->comm, task_pid_nr(current), str, err, regs->iaoq[0]);
++ printk(KERN_CRIT "%s (pid %d:#%u): %s (code %ld) at " RFMT "\n",
++ current->comm, task_pid_nr(current), current->xid,
++ str, err, regs->iaoq[0]);
+ #ifdef PRINT_USER_FAULTS
+ /* XXX for debugging only */
+ show_regs(regs);
+@@ -269,8 +270,8 @@ void die_if_kernel(char *str, struct pt_
+ pdc_console_restart();
+
+ if (err)
+- printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n",
+- current->comm, task_pid_nr(current), str, err);
++ printk(KERN_CRIT "%s (pid %d:#%u): %s (code %ld)\n",
++ current->comm, task_pid_nr(current), current->xid, str, err);
+
+ /* Wot's wrong wif bein' racy? */
+ if (current->thread.flags & PARISC_KERNEL_DEATH) {
+diff -NurpP --minimal linux-3.7.10/arch/parisc/mm/fault.c linux-3.7.10-vs2.3.5.6/arch/parisc/mm/fault.c
+--- linux-3.7.10/arch/parisc/mm/fault.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/parisc/mm/fault.c 2012-12-18 15:13:16.000000000 +0000
+@@ -237,8 +237,9 @@ bad_area:
+
+ #ifdef PRINT_USER_FAULTS
+ printk(KERN_DEBUG "\n");
+- printk(KERN_DEBUG "do_page_fault() pid=%d command='%s' type=%lu address=0x%08lx\n",
+- task_pid_nr(tsk), tsk->comm, code, address);
++ printk(KERN_DEBUG "do_page_fault() pid=%d:#%u "
++ "command='%s' type=%lu address=0x%08lx\n",
++ task_pid_nr(tsk), tsk->xid, tsk->comm, code, address);
+ if (vma) {
+ printk(KERN_DEBUG "vm_start = 0x%08lx, vm_end = 0x%08lx\n",
+ vma->vm_start, vma->vm_end);
+diff -NurpP --minimal linux-3.7.10/arch/powerpc/Kconfig linux-3.7.10-vs2.3.5.6/arch/powerpc/Kconfig
+--- linux-3.7.10/arch/powerpc/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/powerpc/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -1014,6 +1014,8 @@ source "lib/Kconfig"
+
+ source "arch/powerpc/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ config KEYS_COMPAT
+diff -NurpP --minimal linux-3.7.10/arch/powerpc/include/uapi/asm/unistd.h linux-3.7.10-vs2.3.5.6/arch/powerpc/include/uapi/asm/unistd.h
+--- linux-3.7.10/arch/powerpc/include/uapi/asm/unistd.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/powerpc/include/uapi/asm/unistd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -275,7 +275,7 @@
+ #endif
+ #define __NR_rtas 255
+ #define __NR_sys_debug_setcontext 256
+-/* Number 257 is reserved for vserver */
++#define __NR_vserver 257
+ #define __NR_migrate_pages 258
+ #define __NR_mbind 259
+ #define __NR_get_mempolicy 260
+diff -NurpP --minimal linux-3.7.10/arch/powerpc/kernel/process.c linux-3.7.10-vs2.3.5.6/arch/powerpc/kernel/process.c
+--- linux-3.7.10/arch/powerpc/kernel/process.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/powerpc/kernel/process.c 2012-12-18 15:13:16.000000000 +0000
+@@ -660,8 +660,9 @@ void show_regs(struct pt_regs * regs)
+ #else
+ printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr);
+ #endif
+- printk("TASK = %p[%d] '%s' THREAD: %p",
+- current, task_pid_nr(current), current->comm, task_thread_info(current));
++ printk("TASK = %p[%d,#%u] '%s' THREAD: %p",
++ current, task_pid_nr(current), current->xid,
++ current->comm, task_thread_info(current));
+
+ #ifdef CONFIG_SMP
+ printk(" CPU: %d", raw_smp_processor_id());
+diff -NurpP --minimal linux-3.7.10/arch/powerpc/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/powerpc/kernel/traps.c
+--- linux-3.7.10/arch/powerpc/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/powerpc/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -1120,8 +1120,9 @@ void nonrecoverable_exception(struct pt_
+
+ void trace_syscall(struct pt_regs *regs)
+ {
+- printk("Task: %p(%d), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
+- current, task_pid_nr(current), regs->nip, regs->link, regs->gpr[0],
++ printk("Task: %p(%d[#%u]), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
++ current, task_pid_nr(current), current->xid,
++ regs->nip, regs->link, regs->gpr[0],
+ regs->ccr&0x10000000?"Error=":"", regs->gpr[3], print_tainted());
+ }
+
+diff -NurpP --minimal linux-3.7.10/arch/s390/Kconfig linux-3.7.10-vs2.3.5.6/arch/s390/Kconfig
+--- linux-3.7.10/arch/s390/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/s390/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -530,6 +530,8 @@ source "fs/Kconfig"
+
+ source "arch/s390/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/s390/include/asm/tlb.h linux-3.7.10-vs2.3.5.6/arch/s390/include/asm/tlb.h
+--- linux-3.7.10/arch/s390/include/asm/tlb.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/s390/include/asm/tlb.h 2012-12-18 15:13:16.000000000 +0000
+@@ -24,6 +24,7 @@
+ #include <linux/mm.h>
+ #include <linux/pagemap.h>
+ #include <linux/swap.h>
++
+ #include <asm/processor.h>
+ #include <asm/pgalloc.h>
+ #include <asm/tlbflush.h>
+diff -NurpP --minimal linux-3.7.10/arch/s390/include/uapi/asm/unistd.h linux-3.7.10-vs2.3.5.6/arch/s390/include/uapi/asm/unistd.h
+--- linux-3.7.10/arch/s390/include/uapi/asm/unistd.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/s390/include/uapi/asm/unistd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -200,7 +200,7 @@
+ #define __NR_clock_gettime (__NR_timer_create+6)
+ #define __NR_clock_getres (__NR_timer_create+7)
+ #define __NR_clock_nanosleep (__NR_timer_create+8)
+-/* Number 263 is reserved for vserver */
++#define __NR_vserver 263
+ #define __NR_statfs64 265
+ #define __NR_fstatfs64 266
+ #define __NR_remap_file_pages 267
+diff -NurpP --minimal linux-3.7.10/arch/s390/kernel/ptrace.c linux-3.7.10-vs2.3.5.6/arch/s390/kernel/ptrace.c
+--- linux-3.7.10/arch/s390/kernel/ptrace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/s390/kernel/ptrace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/tracehook.h>
+ #include <linux/seccomp.h>
+ #include <linux/compat.h>
++#include <linux/vs_base.h>
+ #include <trace/syscall.h>
+ #include <asm/segment.h>
+ #include <asm/page.h>
+diff -NurpP --minimal linux-3.7.10/arch/s390/kernel/syscalls.S linux-3.7.10-vs2.3.5.6/arch/s390/kernel/syscalls.S
+--- linux-3.7.10/arch/s390/kernel/syscalls.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/s390/kernel/syscalls.S 2012-12-18 15:13:16.000000000 +0000
+@@ -271,7 +271,7 @@ SYSCALL(sys_clock_settime,sys_clock_sett
+ SYSCALL(sys_clock_gettime,sys_clock_gettime,sys32_clock_gettime_wrapper) /* 260 */
+ SYSCALL(sys_clock_getres,sys_clock_getres,sys32_clock_getres_wrapper)
+ SYSCALL(sys_clock_nanosleep,sys_clock_nanosleep,sys32_clock_nanosleep_wrapper)
+-NI_SYSCALL /* reserved for vserver */
++SYSCALL(sys_vserver,sys_vserver,sys32_vserver)
+ SYSCALL(sys_s390_fadvise64_64,sys_ni_syscall,sys32_fadvise64_64_wrapper)
+ SYSCALL(sys_statfs64,sys_statfs64,compat_sys_statfs64_wrapper)
+ SYSCALL(sys_fstatfs64,sys_fstatfs64,compat_sys_fstatfs64_wrapper)
+diff -NurpP --minimal linux-3.7.10/arch/sh/Kconfig linux-3.7.10-vs2.3.5.6/arch/sh/Kconfig
+--- linux-3.7.10/arch/sh/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sh/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -945,6 +945,8 @@ source "fs/Kconfig"
+
+ source "arch/sh/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/sh/kernel/irq.c linux-3.7.10-vs2.3.5.6/arch/sh/kernel/irq.c
+--- linux-3.7.10/arch/sh/kernel/irq.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sh/kernel/irq.c 2012-12-18 15:13:16.000000000 +0000
+@@ -14,6 +14,7 @@
+ #include <linux/ftrace.h>
+ #include <linux/delay.h>
+ #include <linux/ratelimit.h>
++// #include <linux/vs_context.h>
+ #include <asm/processor.h>
+ #include <asm/machvec.h>
+ #include <asm/uaccess.h>
+diff -NurpP --minimal linux-3.7.10/arch/sparc/Kconfig linux-3.7.10-vs2.3.5.6/arch/sparc/Kconfig
+--- linux-3.7.10/arch/sparc/Kconfig 2013-03-02 09:54:54.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sparc/Kconfig 2013-03-02 15:26:03.000000000 +0000
+@@ -565,6 +565,8 @@ source "fs/Kconfig"
+
+ source "arch/sparc/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/sparc/include/uapi/asm/unistd.h linux-3.7.10-vs2.3.5.6/arch/sparc/include/uapi/asm/unistd.h
+--- linux-3.7.10/arch/sparc/include/uapi/asm/unistd.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sparc/include/uapi/asm/unistd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -332,7 +332,7 @@
+ #define __NR_timer_getoverrun 264
+ #define __NR_timer_delete 265
+ #define __NR_timer_create 266
+-/* #define __NR_vserver 267 Reserved for VSERVER */
++#define __NR_vserver 267
+ #define __NR_io_setup 268
+ #define __NR_io_destroy 269
+ #define __NR_io_submit 270
+diff -NurpP --minimal linux-3.7.10/arch/sparc/kernel/systbls_32.S linux-3.7.10-vs2.3.5.6/arch/sparc/kernel/systbls_32.S
+--- linux-3.7.10/arch/sparc/kernel/systbls_32.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sparc/kernel/systbls_32.S 2012-12-18 15:13:16.000000000 +0000
+@@ -70,7 +70,7 @@ sys_call_table:
+ /*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_ni_syscall
+ /*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
+ /*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
+-/*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy
++/*265*/ .long sys_timer_delete, sys_timer_create, sys_vserver, sys_io_setup, sys_io_destroy
+ /*270*/ .long sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
+ /*275*/ .long sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
+ /*280*/ .long sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
+diff -NurpP --minimal linux-3.7.10/arch/sparc/kernel/systbls_64.S linux-3.7.10-vs2.3.5.6/arch/sparc/kernel/systbls_64.S
+--- linux-3.7.10/arch/sparc/kernel/systbls_64.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sparc/kernel/systbls_64.S 2012-12-18 15:13:16.000000000 +0000
+@@ -71,7 +71,7 @@ sys_call_table32:
+ /*250*/ .word sys_mremap, compat_sys_sysctl, sys32_getsid, sys_fdatasync, sys_nis_syscall
+ .word sys32_sync_file_range, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep
+ /*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun
+- .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
++ .word sys_timer_delete, compat_sys_timer_create, sys32_vserver, compat_sys_io_setup, sys_io_destroy
+ /*270*/ .word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink
+ .word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid
+ /*280*/ .word sys32_tee, sys_add_key, sys_request_key, compat_sys_keyctl, compat_sys_openat
+@@ -149,7 +149,7 @@ sys_call_table:
+ /*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nis_syscall
+ .word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
+ /*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
+- .word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy
++ .word sys_timer_delete, sys_timer_create, sys_vserver, sys_io_setup, sys_io_destroy
+ /*270*/ .word sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
+ .word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
+ /*280*/ .word sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
+diff -NurpP --minimal linux-3.7.10/arch/um/Kconfig.rest linux-3.7.10-vs2.3.5.6/arch/um/Kconfig.rest
+--- linux-3.7.10/arch/um/Kconfig.rest 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/um/Kconfig.rest 2012-12-18 15:13:16.000000000 +0000
+@@ -12,6 +12,8 @@ source "arch/um/Kconfig.net"
+
+ source "fs/Kconfig"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/um/include/shared/kern_constants.h linux-3.7.10-vs2.3.5.6/arch/um/include/shared/kern_constants.h
+--- linux-3.7.10/arch/um/include/shared/kern_constants.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/um/include/shared/kern_constants.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1 @@
++#include "../../../../include/generated/asm-offsets.h"
+diff -NurpP --minimal linux-3.7.10/arch/um/include/shared/user_constants.h linux-3.7.10-vs2.3.5.6/arch/um/include/shared/user_constants.h
+--- linux-3.7.10/arch/um/include/shared/user_constants.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/um/include/shared/user_constants.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,40 @@
++/*
++ * DO NOT MODIFY.
++ *
++ * This file was generated by arch/um/Makefile
++ *
++ */
++
++#define HOST_SC_CR2 176 /* offsetof(struct sigcontext, cr2) # */
++#define HOST_SC_ERR 152 /* offsetof(struct sigcontext, err) # */
++#define HOST_SC_TRAPNO 160 /* offsetof(struct sigcontext, trapno) # */
++#define HOST_FP_SIZE 64 /* sizeof(struct _fpstate) / sizeof(unsigned long) # */
++#define HOST_RBX 5 /* RBX # */
++#define HOST_RCX 11 /* RCX # */
++#define HOST_RDI 14 /* RDI # */
++#define HOST_RSI 13 /* RSI # */
++#define HOST_RDX 12 /* RDX # */
++#define HOST_RBP 4 /* RBP # */
++#define HOST_RAX 10 /* RAX # */
++#define HOST_R8 9 /* R8 # */
++#define HOST_R9 8 /* R9 # */
++#define HOST_R10 7 /* R10 # */
++#define HOST_R11 6 /* R11 # */
++#define HOST_R12 3 /* R12 # */
++#define HOST_R13 2 /* R13 # */
++#define HOST_R14 1 /* R14 # */
++#define HOST_R15 0 /* R15 # */
++#define HOST_ORIG_RAX 15 /* ORIG_RAX # */
++#define HOST_CS 17 /* CS # */
++#define HOST_SS 20 /* SS # */
++#define HOST_EFLAGS 18 /* EFLAGS # */
++#define HOST_IP 16 /* RIP # */
++#define HOST_SP 19 /* RSP # */
++#define UM_FRAME_SIZE 216 /* sizeof(struct user_regs_struct) # */
++#define UM_POLLIN 1 /* POLLIN # */
++#define UM_POLLPRI 2 /* POLLPRI # */
++#define UM_POLLOUT 4 /* POLLOUT # */
++#define UM_PROT_READ 1 /* PROT_READ # */
++#define UM_PROT_WRITE 2 /* PROT_WRITE # */
++#define UM_PROT_EXEC 4 /* PROT_EXEC # */
++
+diff -NurpP --minimal linux-3.7.10/arch/x86/Kconfig linux-3.7.10-vs2.3.5.6/arch/x86/Kconfig
+--- linux-3.7.10/arch/x86/Kconfig 2013-03-02 09:54:54.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/x86/Kconfig 2013-03-02 15:26:03.000000000 +0000
+@@ -2244,6 +2244,8 @@ source "fs/Kconfig"
+
+ source "arch/x86/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/x86/syscalls/syscall_32.tbl linux-3.7.10-vs2.3.5.6/arch/x86/syscalls/syscall_32.tbl
+--- linux-3.7.10/arch/x86/syscalls/syscall_32.tbl 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/x86/syscalls/syscall_32.tbl 2012-12-18 15:13:16.000000000 +0000
+@@ -279,7 +279,7 @@
+ 270 i386 tgkill sys_tgkill
+ 271 i386 utimes sys_utimes compat_sys_utimes
+ 272 i386 fadvise64_64 sys_fadvise64_64 sys32_fadvise64_64
+-273 i386 vserver
++273 i386 vserver sys_vserver sys32_vserver
+ 274 i386 mbind sys_mbind
+ 275 i386 get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy
+ 276 i386 set_mempolicy sys_set_mempolicy
+diff -NurpP --minimal linux-3.7.10/arch/x86/syscalls/syscall_64.tbl linux-3.7.10-vs2.3.5.6/arch/x86/syscalls/syscall_64.tbl
+--- linux-3.7.10/arch/x86/syscalls/syscall_64.tbl 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/x86/syscalls/syscall_64.tbl 2012-12-18 15:13:16.000000000 +0000
+@@ -242,7 +242,7 @@
+ 233 common epoll_ctl sys_epoll_ctl
+ 234 common tgkill sys_tgkill
+ 235 common utimes sys_utimes
+-236 64 vserver
++236 64 vserver sys_vserver
+ 237 common mbind sys_mbind
+ 238 common set_mempolicy sys_set_mempolicy
+ 239 common get_mempolicy sys_get_mempolicy
+diff -NurpP --minimal linux-3.7.10/drivers/block/Kconfig linux-3.7.10-vs2.3.5.6/drivers/block/Kconfig
+--- linux-3.7.10/drivers/block/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/block/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -291,6 +291,13 @@ config BLK_DEV_CRYPTOLOOP
+
+ source "drivers/block/drbd/Kconfig"
+
++config BLK_DEV_VROOT
++ tristate "Virtual Root device support"
++ depends on QUOTACTL
++ ---help---
++ Saying Y here will allow you to use quota/fs ioctls on a shared
++ partition within a virtual server without compromising security.
++
+ config BLK_DEV_NBD
+ tristate "Network block device support"
+ depends on NET
+diff -NurpP --minimal linux-3.7.10/drivers/block/Makefile linux-3.7.10-vs2.3.5.6/drivers/block/Makefile
+--- linux-3.7.10/drivers/block/Makefile 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/block/Makefile 2012-12-18 15:13:16.000000000 +0000
+@@ -34,6 +34,7 @@ obj-$(CONFIG_VIRTIO_BLK) += virtio_blk.o
+ obj-$(CONFIG_VIODASD) += viodasd.o
+ obj-$(CONFIG_BLK_DEV_SX8) += sx8.o
+ obj-$(CONFIG_BLK_DEV_HD) += hd.o
++obj-$(CONFIG_BLK_DEV_VROOT) += vroot.o
+
+ obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o
+ obj-$(CONFIG_XEN_BLKDEV_BACKEND) += xen-blkback/
+diff -NurpP --minimal linux-3.7.10/drivers/block/loop.c linux-3.7.10-vs2.3.5.6/drivers/block/loop.c
+--- linux-3.7.10/drivers/block/loop.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/block/loop.c 2012-12-18 15:13:16.000000000 +0000
+@@ -76,6 +76,7 @@
+ #include <linux/sysfs.h>
+ #include <linux/miscdevice.h>
+ #include <linux/falloc.h>
++#include <linux/vs_context.h>
+
+ #include <asm/uaccess.h>
+
+@@ -869,6 +870,7 @@ static int loop_set_fd(struct loop_devic
+ lo->lo_blocksize = lo_blocksize;
+ lo->lo_device = bdev;
+ lo->lo_flags = lo_flags;
++ lo->lo_xid = vx_current_xid();
+ lo->lo_backing_file = file;
+ lo->transfer = transfer_none;
+ lo->ioctl = NULL;
+@@ -1014,6 +1016,7 @@ static int loop_clr_fd(struct loop_devic
+ lo->lo_sizelimit = 0;
+ lo->lo_encrypt_key_size = 0;
+ lo->lo_thread = NULL;
++ lo->lo_xid = 0;
+ memset(lo->lo_encrypt_key, 0, LO_KEY_SIZE);
+ memset(lo->lo_crypt_name, 0, LO_NAME_SIZE);
+ memset(lo->lo_file_name, 0, LO_NAME_SIZE);
+@@ -1055,7 +1058,7 @@ loop_set_status(struct loop_device *lo,
+
+ if (lo->lo_encrypt_key_size &&
+ !uid_eq(lo->lo_key_owner, uid) &&
+- !capable(CAP_SYS_ADMIN))
++ !vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_CLOOP))
+ return -EPERM;
+ if (lo->lo_state != Lo_bound)
+ return -ENXIO;
+@@ -1145,7 +1148,8 @@ loop_get_status(struct loop_device *lo,
+ memcpy(info->lo_crypt_name, lo->lo_crypt_name, LO_NAME_SIZE);
+ info->lo_encrypt_type =
+ lo->lo_encryption ? lo->lo_encryption->number : 0;
+- if (lo->lo_encrypt_key_size && capable(CAP_SYS_ADMIN)) {
++ if (lo->lo_encrypt_key_size &&
++ vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_CLOOP)) {
+ info->lo_encrypt_key_size = lo->lo_encrypt_key_size;
+ memcpy(info->lo_encrypt_key, lo->lo_encrypt_key,
+ lo->lo_encrypt_key_size);
+@@ -1505,6 +1509,11 @@ static int lo_open(struct block_device *
+ goto out;
+ }
+
++ if (!vx_check(lo->lo_xid, VS_IDENT|VS_HOSTID|VS_ADMIN_P)) {
++ err = -EACCES;
++ goto out;
++ }
++
+ mutex_lock(&lo->lo_ctl_mutex);
+ lo->lo_refcnt++;
+ mutex_unlock(&lo->lo_ctl_mutex);
+diff -NurpP --minimal linux-3.7.10/drivers/block/vroot.c linux-3.7.10-vs2.3.5.6/drivers/block/vroot.c
+--- linux-3.7.10/drivers/block/vroot.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/block/vroot.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,291 @@
++/*
++ * linux/drivers/block/vroot.c
++ *
++ * written by Herbert Pötzl, 9/11/2002
++ * ported to 2.6.10 by Herbert Pötzl, 30/12/2004
++ *
++ * based on the loop.c code by Theodore Ts'o.
++ *
++ * Copyright (C) 2002-2007 by Herbert Pötzl.
++ * Redistribution of this file is permitted under the
++ * GNU General Public License.
++ *
++ */
++
++#include <linux/module.h>
++#include <linux/moduleparam.h>
++#include <linux/file.h>
++#include <linux/major.h>
++#include <linux/blkdev.h>
++#include <linux/slab.h>
++
++#include <linux/vroot.h>
++#include <linux/vs_context.h>
++
++
++static int max_vroot = 8;
++
++static struct vroot_device *vroot_dev;
++static struct gendisk **disks;
++
++
++static int vroot_set_dev(
++ struct vroot_device *vr,
++ struct block_device *bdev,
++ unsigned int arg)
++{
++ struct block_device *real_bdev;
++ struct file *file;
++ struct inode *inode;
++ int error;
++
++ error = -EBUSY;
++ if (vr->vr_state != Vr_unbound)
++ goto out;
++
++ error = -EBADF;
++ file = fget(arg);
++ if (!file)
++ goto out;
++
++ error = -EINVAL;
++ inode = file->f_dentry->d_inode;
++
++
++ if (S_ISBLK(inode->i_mode)) {
++ real_bdev = inode->i_bdev;
++ vr->vr_device = real_bdev;
++ __iget(real_bdev->bd_inode);
++ } else
++ goto out_fput;
++
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot[%d]_set_dev: dev=" VXF_DEV,
++ vr->vr_number, VXD_DEV(real_bdev));
++
++ vr->vr_state = Vr_bound;
++ error = 0;
++
++ out_fput:
++ fput(file);
++ out:
++ return error;
++}
++
++static int vroot_clr_dev(
++ struct vroot_device *vr,
++ struct block_device *bdev)
++{
++ struct block_device *real_bdev;
++
++ if (vr->vr_state != Vr_bound)
++ return -ENXIO;
++ if (vr->vr_refcnt > 1) /* we needed one fd for the ioctl */
++ return -EBUSY;
++
++ real_bdev = vr->vr_device;
++
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot[%d]_clr_dev: dev=" VXF_DEV,
++ vr->vr_number, VXD_DEV(real_bdev));
++
++ bdput(real_bdev);
++ vr->vr_state = Vr_unbound;
++ vr->vr_device = NULL;
++ return 0;
++}
++
++
++static int vr_ioctl(struct block_device *bdev, fmode_t mode,
++ unsigned int cmd, unsigned long arg)
++{
++ struct vroot_device *vr = bdev->bd_disk->private_data;
++ int err;
++
++ down(&vr->vr_ctl_mutex);
++ switch (cmd) {
++ case VROOT_SET_DEV:
++ err = vroot_set_dev(vr, bdev, arg);
++ break;
++ case VROOT_CLR_DEV:
++ err = vroot_clr_dev(vr, bdev);
++ break;
++ default:
++ err = -EINVAL;
++ break;
++ }
++ up(&vr->vr_ctl_mutex);
++ return err;
++}
++
++static int vr_open(struct block_device *bdev, fmode_t mode)
++{
++ struct vroot_device *vr = bdev->bd_disk->private_data;
++
++ down(&vr->vr_ctl_mutex);
++ vr->vr_refcnt++;
++ up(&vr->vr_ctl_mutex);
++ return 0;
++}
++
++static int vr_release(struct gendisk *disk, fmode_t mode)
++{
++ struct vroot_device *vr = disk->private_data;
++
++ down(&vr->vr_ctl_mutex);
++ --vr->vr_refcnt;
++ up(&vr->vr_ctl_mutex);
++ return 0;
++}
++
++static struct block_device_operations vr_fops = {
++ .owner = THIS_MODULE,
++ .open = vr_open,
++ .release = vr_release,
++ .ioctl = vr_ioctl,
++};
++
++static void vroot_make_request(struct request_queue *q, struct bio *bio)
++{
++ printk("vroot_make_request %p, %p\n", q, bio);
++ bio_io_error(bio);
++}
++
++struct block_device *__vroot_get_real_bdev(struct block_device *bdev)
++{
++ struct inode *inode = bdev->bd_inode;
++ struct vroot_device *vr;
++ struct block_device *real_bdev;
++ int minor = iminor(inode);
++
++ vr = &vroot_dev[minor];
++ real_bdev = vr->vr_device;
++
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot[%d]_get_real_bdev: dev=" VXF_DEV,
++ vr->vr_number, VXD_DEV(real_bdev));
++
++ if (vr->vr_state != Vr_bound)
++ return ERR_PTR(-ENXIO);
++
++ __iget(real_bdev->bd_inode);
++ return real_bdev;
++}
++
++
++
++/*
++ * And now the modules code and kernel interface.
++ */
++
++module_param(max_vroot, int, 0);
++
++MODULE_PARM_DESC(max_vroot, "Maximum number of vroot devices (1-256)");
++MODULE_LICENSE("GPL");
++MODULE_ALIAS_BLOCKDEV_MAJOR(VROOT_MAJOR);
++
++MODULE_AUTHOR ("Herbert Pötzl");
++MODULE_DESCRIPTION ("Virtual Root Device Mapper");
++
++
++int __init vroot_init(void)
++{
++ int err, i;
++
++ if (max_vroot < 1 || max_vroot > 256) {
++ max_vroot = MAX_VROOT_DEFAULT;
++ printk(KERN_WARNING "vroot: invalid max_vroot "
++ "(must be between 1 and 256), "
++ "using default (%d)\n", max_vroot);
++ }
++
++ if (register_blkdev(VROOT_MAJOR, "vroot"))
++ return -EIO;
++
++ err = -ENOMEM;
++ vroot_dev = kmalloc(max_vroot * sizeof(struct vroot_device), GFP_KERNEL);
++ if (!vroot_dev)
++ goto out_mem1;
++ memset(vroot_dev, 0, max_vroot * sizeof(struct vroot_device));
++
++ disks = kmalloc(max_vroot * sizeof(struct gendisk *), GFP_KERNEL);
++ if (!disks)
++ goto out_mem2;
++
++ for (i = 0; i < max_vroot; i++) {
++ disks[i] = alloc_disk(1);
++ if (!disks[i])
++ goto out_mem3;
++ disks[i]->queue = blk_alloc_queue(GFP_KERNEL);
++ if (!disks[i]->queue)
++ goto out_mem3;
++ blk_queue_make_request(disks[i]->queue, vroot_make_request);
++ }
++
++ for (i = 0; i < max_vroot; i++) {
++ struct vroot_device *vr = &vroot_dev[i];
++ struct gendisk *disk = disks[i];
++
++ memset(vr, 0, sizeof(*vr));
++ sema_init(&vr->vr_ctl_mutex, 1);
++ vr->vr_number = i;
++ disk->major = VROOT_MAJOR;
++ disk->first_minor = i;
++ disk->fops = &vr_fops;
++ sprintf(disk->disk_name, "vroot%d", i);
++ disk->private_data = vr;
++ }
++
++ err = register_vroot_grb(&__vroot_get_real_bdev);
++ if (err)
++ goto out_mem3;
++
++ for (i = 0; i < max_vroot; i++)
++ add_disk(disks[i]);
++ printk(KERN_INFO "vroot: loaded (max %d devices)\n", max_vroot);
++ return 0;
++
++out_mem3:
++ while (i--)
++ put_disk(disks[i]);
++ kfree(disks);
++out_mem2:
++ kfree(vroot_dev);
++out_mem1:
++ unregister_blkdev(VROOT_MAJOR, "vroot");
++ printk(KERN_ERR "vroot: ran out of memory\n");
++ return err;
++}
++
++void vroot_exit(void)
++{
++ int i;
++
++ if (unregister_vroot_grb(&__vroot_get_real_bdev))
++ printk(KERN_WARNING "vroot: cannot unregister grb\n");
++
++ for (i = 0; i < max_vroot; i++) {
++ del_gendisk(disks[i]);
++ put_disk(disks[i]);
++ }
++ unregister_blkdev(VROOT_MAJOR, "vroot");
++
++ kfree(disks);
++ kfree(vroot_dev);
++}
++
++module_init(vroot_init);
++module_exit(vroot_exit);
++
++#ifndef MODULE
++
++static int __init max_vroot_setup(char *str)
++{
++ max_vroot = simple_strtol(str, NULL, 0);
++ return 1;
++}
++
++__setup("max_vroot=", max_vroot_setup);
++
++#endif
++
+diff -NurpP --minimal linux-3.7.10/drivers/infiniband/Kconfig linux-3.7.10-vs2.3.5.6/drivers/infiniband/Kconfig
+--- linux-3.7.10/drivers/infiniband/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/infiniband/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -39,7 +39,7 @@ config INFINIBAND_USER_MEM
+ config INFINIBAND_ADDR_TRANS
+ bool
+ depends on INET
+- depends on !(INFINIBAND = y && IPV6 = m)
++ depends on !(INFINIBAND = y && IPV6 = y)
+ default y
+
+ source "drivers/infiniband/hw/mthca/Kconfig"
+diff -NurpP --minimal linux-3.7.10/drivers/infiniband/core/addr.c linux-3.7.10-vs2.3.5.6/drivers/infiniband/core/addr.c
+--- linux-3.7.10/drivers/infiniband/core/addr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/infiniband/core/addr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -261,7 +261,7 @@ static int addr6_resolve(struct sockaddr
+
+ if (ipv6_addr_any(&fl6.saddr)) {
+ ret = ipv6_dev_get_saddr(&init_net, ip6_dst_idev(dst)->dev,
+- &fl6.daddr, 0, &fl6.saddr);
++ &fl6.daddr, 0, &fl6.saddr, NULL);
+ if (ret)
+ goto put;
+
+diff -NurpP --minimal linux-3.7.10/drivers/md/dm-ioctl.c linux-3.7.10-vs2.3.5.6/drivers/md/dm-ioctl.c
+--- linux-3.7.10/drivers/md/dm-ioctl.c 2013-03-02 09:54:56.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/md/dm-ioctl.c 2013-02-05 01:14:43.000000000 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/dm-ioctl.h>
+ #include <linux/hdreg.h>
+ #include <linux/compat.h>
++#include <linux/vs_context.h>
+
+ #include <asm/uaccess.h>
+
+@@ -106,7 +107,8 @@ static struct hash_cell *__get_name_cell
+ unsigned int h = hash_str(str);
+
+ list_for_each_entry (hc, _name_buckets + h, name_list)
+- if (!strcmp(hc->name, str)) {
++ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
++ !strcmp(hc->name, str)) {
+ dm_get(hc->md);
+ return hc;
+ }
+@@ -120,7 +122,8 @@ static struct hash_cell *__get_uuid_cell
+ unsigned int h = hash_str(str);
+
+ list_for_each_entry (hc, _uuid_buckets + h, uuid_list)
+- if (!strcmp(hc->uuid, str)) {
++ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
++ !strcmp(hc->uuid, str)) {
+ dm_get(hc->md);
+ return hc;
+ }
+@@ -131,13 +134,15 @@ static struct hash_cell *__get_uuid_cell
+ static struct hash_cell *__get_dev_cell(uint64_t dev)
+ {
+ struct mapped_device *md;
+- struct hash_cell *hc;
++ struct hash_cell *hc = NULL;
+
+ md = dm_get_md(huge_decode_dev(dev));
+ if (!md)
+ return NULL;
+
+- hc = dm_get_mdptr(md);
++ if (vx_check(dm_get_xid(md), VS_WATCH_P | VS_IDENT))
++ hc = dm_get_mdptr(md);
++
+ if (!hc) {
+ dm_put(md);
+ return NULL;
+@@ -445,6 +450,9 @@ typedef int (*ioctl_fn)(struct dm_ioctl
+
+ static int remove_all(struct dm_ioctl *param, size_t param_size)
+ {
++ if (!vx_check(0, VS_ADMIN))
++ return -EPERM;
++
+ dm_hash_remove_all(1);
+ param->data_size = 0;
+ return 0;
+@@ -492,6 +500,8 @@ static int list_devices(struct dm_ioctl
+ */
+ for (i = 0; i < NUM_BUCKETS; i++) {
+ list_for_each_entry (hc, _name_buckets + i, name_list) {
++ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
++ continue;
+ needed += sizeof(struct dm_name_list);
+ needed += strlen(hc->name) + 1;
+ needed += ALIGN_MASK;
+@@ -515,6 +525,8 @@ static int list_devices(struct dm_ioctl
+ */
+ for (i = 0; i < NUM_BUCKETS; i++) {
+ list_for_each_entry (hc, _name_buckets + i, name_list) {
++ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
++ continue;
+ if (old_nl)
+ old_nl->next = (uint32_t) ((void *) nl -
+ (void *) old_nl);
+@@ -1627,8 +1639,8 @@ static int ctl_ioctl(uint command, struc
+ ioctl_fn fn = NULL;
+ size_t input_param_size;
+
+- /* only root can play with this */
+- if (!capable(CAP_SYS_ADMIN))
++ /* only root and certain contexts can play with this */
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_MAPPER))
+ return -EACCES;
+
+ if (_IOC_TYPE(command) != DM_IOCTL)
+diff -NurpP --minimal linux-3.7.10/drivers/md/dm.c linux-3.7.10-vs2.3.5.6/drivers/md/dm.c
+--- linux-3.7.10/drivers/md/dm.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/md/dm.c 2012-12-18 15:13:16.000000000 +0000
+@@ -19,6 +19,7 @@
+ #include <linux/idr.h>
+ #include <linux/hdreg.h>
+ #include <linux/delay.h>
++#include <linux/vs_base.h>
+
+ #include <trace/events/block.h>
+
+@@ -137,6 +138,7 @@ struct mapped_device {
+ rwlock_t map_lock;
+ atomic_t holders;
+ atomic_t open_count;
++ xid_t xid;
+
+ unsigned long flags;
+
+@@ -345,6 +347,7 @@ int dm_deleting_md(struct mapped_device
+ static int dm_blk_open(struct block_device *bdev, fmode_t mode)
+ {
+ struct mapped_device *md;
++ int ret = -ENXIO;
+
+ spin_lock(&_minor_lock);
+
+@@ -353,18 +356,19 @@ static int dm_blk_open(struct block_devi
+ goto out;
+
+ if (test_bit(DMF_FREEING, &md->flags) ||
+- dm_deleting_md(md)) {
+- md = NULL;
++ dm_deleting_md(md))
++ goto out;
++
++ ret = -EACCES;
++ if (!vx_check(md->xid, VS_IDENT|VS_HOSTID))
+ goto out;
+- }
+
+ dm_get(md);
+ atomic_inc(&md->open_count);
+-
++ ret = 0;
+ out:
+ spin_unlock(&_minor_lock);
+-
+- return md ? 0 : -ENXIO;
++ return ret;
+ }
+
+ static int dm_blk_close(struct gendisk *disk, fmode_t mode)
+@@ -575,6 +579,14 @@ int dm_set_geometry(struct mapped_device
+ return 0;
+ }
+
++/*
++ * Get the xid associated with a dm device
++ */
++xid_t dm_get_xid(struct mapped_device *md)
++{
++ return md->xid;
++}
++
+ /*-----------------------------------------------------------------
+ * CRUD START:
+ * A more elegant soln is in the works that uses the queue
+@@ -1852,6 +1864,7 @@ static struct mapped_device *alloc_dev(i
+ INIT_LIST_HEAD(&md->uevent_list);
+ spin_lock_init(&md->uevent_lock);
+
++ md->xid = vx_current_xid();
+ md->queue = blk_alloc_queue(GFP_KERNEL);
+ if (!md->queue)
+ goto bad_queue;
+diff -NurpP --minimal linux-3.7.10/drivers/md/dm.h linux-3.7.10-vs2.3.5.6/drivers/md/dm.h
+--- linux-3.7.10/drivers/md/dm.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/md/dm.h 2012-12-18 15:13:16.000000000 +0000
+@@ -46,6 +46,8 @@ struct dm_dev_internal {
+ struct dm_table;
+ struct dm_md_mempools;
+
++xid_t dm_get_xid(struct mapped_device *md);
++
+ /*-----------------------------------------------------------------
+ * Internal table functions.
+ *---------------------------------------------------------------*/
+diff -NurpP --minimal linux-3.7.10/drivers/net/tun.c linux-3.7.10-vs2.3.5.6/drivers/net/tun.c
+--- linux-3.7.10/drivers/net/tun.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/net/tun.c 2012-12-18 15:13:16.000000000 +0000
+@@ -64,6 +64,7 @@
+ #include <linux/nsproxy.h>
+ #include <linux/virtio_net.h>
+ #include <linux/rcupdate.h>
++#include <linux/vs_network.h>
+ #include <net/net_namespace.h>
+ #include <net/netns/generic.h>
+ #include <net/rtnetlink.h>
+@@ -123,6 +124,7 @@ struct tun_struct {
+ unsigned int flags;
+ kuid_t owner;
+ kgid_t group;
++ nid_t nid;
+
+ struct net_device *dev;
+ netdev_features_t set_features;
+@@ -1034,6 +1036,7 @@ static void tun_setup(struct net_device
+
+ tun->owner = INVALID_UID;
+ tun->group = INVALID_GID;
++ tun->nid = nx_current_nid();
+
+ dev->ethtool_ops = &tun_ethtool_ops;
+ dev->destructor = tun_free_netdev;
+@@ -1198,7 +1201,7 @@ static int tun_set_iff(struct net *net,
+
+ if (((uid_valid(tun->owner) && !uid_eq(cred->euid, tun->owner)) ||
+ (gid_valid(tun->group) && !in_egroup_p(tun->group))) &&
+- !capable(CAP_NET_ADMIN))
++ !cap_raised(current_cap(), CAP_NET_ADMIN))
+ return -EPERM;
+ err = security_tun_dev_attach(tun->socket.sk);
+ if (err < 0)
+@@ -1212,7 +1215,7 @@ static int tun_set_iff(struct net *net,
+ char *name;
+ unsigned long flags = 0;
+
+- if (!capable(CAP_NET_ADMIN))
++ if (!nx_capable(CAP_NET_ADMIN, NXC_TUN_CREATE))
+ return -EPERM;
+ err = security_tun_dev_create();
+ if (err < 0)
+@@ -1283,6 +1286,9 @@ static int tun_set_iff(struct net *net,
+
+ sk->sk_destruct = tun_sock_destruct;
+
++ if (!nx_check(tun->nid, VS_IDENT | VS_HOSTID | VS_ADMIN_P))
++ return -EPERM;
++
+ err = tun_attach(tun, file);
+ if (err < 0)
+ goto failed;
+@@ -1478,6 +1484,16 @@ static long __tun_chr_ioctl(struct file
+ from_kgid(&init_user_ns, tun->group));
+ break;
+
++ case TUNSETNID:
++ if (!capable(CAP_CONTEXT))
++ return -EPERM;
++
++ /* Set nid owner of the device */
++ tun->nid = (nid_t) arg;
++
++ tun_debug(KERN_INFO, tun, "nid owner set to %u\n", tun->nid);
++ break;
++
+ case TUNSETLINK:
+ /* Only allow setting the type when the interface is down */
+ if (tun->dev->flags & IFF_UP) {
+diff -NurpP --minimal linux-3.7.10/drivers/staging/csr/csr_wifi_hip_xbv.c linux-3.7.10-vs2.3.5.6/drivers/staging/csr/csr_wifi_hip_xbv.c
+--- linux-3.7.10/drivers/staging/csr/csr_wifi_hip_xbv.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/staging/csr/csr_wifi_hip_xbv.c 2012-12-18 15:13:16.000000000 +0000
+@@ -55,7 +55,7 @@ typedef struct
+ {
+ char t_name[4];
+ u32 t_len;
+-} tag_t;
++} ctag_t;
+
+
+ #define TAG_EQ(i, v) (((i)[0] == (v)[0]) && \
+@@ -90,7 +90,7 @@ typedef struct
+ u32 ptr;
+ } xbv_stack_t;
+
+-static s32 read_tag(card_t *card, ct_t *ct, tag_t *tag);
++static s32 read_tag(card_t *card, ct_t *ct, ctag_t *tag);
+ static s32 read_bytes(card_t *card, ct_t *ct, void *buf, u32 len);
+ static s32 read_uint(card_t *card, ct_t *ct, u32 *u, u32 len);
+ static s32 xbv_check(xbv1_t *fwinfo, const xbv_stack_t *stack,
+@@ -160,7 +160,7 @@ static u32 write_fwdl_to_ptdl(void *buf,
+ CsrResult xbv1_parse(card_t *card, fwreadfn_t readfn, void *dlpriv, xbv1_t *fwinfo)
+ {
+ ct_t ct;
+- tag_t tag;
++ ctag_t tag;
+ xbv_stack_t stack;
+
+ ct.dlpriv = dlpriv;
+@@ -505,7 +505,7 @@ static u32 xbv2uint(u8 *ptr, s32 len)
+ }
+
+
+-static s32 read_tag(card_t *card, ct_t *ct, tag_t *tag)
++static s32 read_tag(card_t *card, ct_t *ct, ctag_t *tag)
+ {
+ u8 buf[8];
+ s32 n;
+diff -NurpP --minimal linux-3.7.10/drivers/tty/sysrq.c linux-3.7.10-vs2.3.5.6/drivers/tty/sysrq.c
+--- linux-3.7.10/drivers/tty/sysrq.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/tty/sysrq.c 2012-12-18 15:13:16.000000000 +0000
+@@ -41,6 +41,7 @@
+ #include <linux/slab.h>
+ #include <linux/input.h>
+ #include <linux/uaccess.h>
++#include <linux/vserver/debug.h>
+
+ #include <asm/ptrace.h>
+ #include <asm/irq_regs.h>
+@@ -398,6 +399,21 @@ static struct sysrq_key_op sysrq_unrt_op
+ .enable_mask = SYSRQ_ENABLE_RTNICE,
+ };
+
++
++#ifdef CONFIG_VSERVER_DEBUG
++static void sysrq_handle_vxinfo(int key)
++{
++ dump_vx_info_inactive((key == 'x') ? 0 : 1);
++}
++
++static struct sysrq_key_op sysrq_showvxinfo_op = {
++ .handler = sysrq_handle_vxinfo,
++ .help_msg = "conteXt",
++ .action_msg = "Show Context Info",
++ .enable_mask = SYSRQ_ENABLE_DUMP,
++};
++#endif
++
+ /* Key Operations table and lock */
+ static DEFINE_SPINLOCK(sysrq_key_table_lock);
+
+@@ -453,7 +469,11 @@ static struct sysrq_key_op *sysrq_key_ta
+ &sysrq_showstate_blocked_op, /* w */
+ /* x: May be registered on ppc/powerpc for xmon */
+ /* x: May be registered on sparc64 for global PMU dump */
++#ifdef CONFIG_VSERVER_DEBUG
++ &sysrq_showvxinfo_op, /* x */
++#else
+ NULL, /* x */
++#endif
+ /* y: May be registered on sparc64 for global register dump */
+ NULL, /* y */
+ &sysrq_ftrace_dump_op, /* z */
+@@ -468,6 +488,8 @@ static int sysrq_key_table_key2index(int
+ retval = key - '0';
+ else if ((key >= 'a') && (key <= 'z'))
+ retval = key + 10 - 'a';
++ else if ((key >= 'A') && (key <= 'Z'))
++ retval = key + 10 - 'A';
+ else
+ retval = -1;
+ return retval;
+diff -NurpP --minimal linux-3.7.10/drivers/tty/tty_io.c linux-3.7.10-vs2.3.5.6/drivers/tty/tty_io.c
+--- linux-3.7.10/drivers/tty/tty_io.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/tty/tty_io.c 2012-12-18 15:13:16.000000000 +0000
+@@ -104,6 +104,7 @@
+
+ #include <linux/kmod.h>
+ #include <linux/nsproxy.h>
++#include <linux/vs_pid.h>
+
+ #undef TTY_DEBUG_HANGUP
+
+@@ -2139,7 +2140,8 @@ static int tiocsti(struct tty_struct *tt
+ char ch, mbz = 0;
+ struct tty_ldisc *ld;
+
+- if ((current->signal->tty != tty) && !capable(CAP_SYS_ADMIN))
++ if (((current->signal->tty != tty) &&
++ !vx_capable(CAP_SYS_ADMIN, VXC_TIOCSTI)))
+ return -EPERM;
+ if (get_user(ch, p))
+ return -EFAULT;
+@@ -2426,6 +2428,7 @@ static int tiocspgrp(struct tty_struct *
+ return -ENOTTY;
+ if (get_user(pgrp_nr, p))
+ return -EFAULT;
++ pgrp_nr = vx_rmap_pid(pgrp_nr);
+ if (pgrp_nr < 0)
+ return -EINVAL;
+ rcu_read_lock();
+diff -NurpP --minimal linux-3.7.10/fs/attr.c linux-3.7.10-vs2.3.5.6/fs/attr.c
+--- linux-3.7.10/fs/attr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/attr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -15,6 +15,9 @@
+ #include <linux/security.h>
+ #include <linux/evm.h>
+ #include <linux/ima.h>
++#include <linux/proc_fs.h>
++#include <linux/devpts_fs.h>
++#include <linux/vs_tag.h>
+
+ /**
+ * inode_change_ok - check if attribute changes to an inode are allowed
+@@ -75,6 +78,10 @@ int inode_change_ok(const struct inode *
+ return -EPERM;
+ }
+
++ /* check for inode tag permission */
++ if (dx_permission(inode, MAY_WRITE))
++ return -EACCES;
++
+ return 0;
+ }
+ EXPORT_SYMBOL(inode_change_ok);
+@@ -145,6 +152,8 @@ void setattr_copy(struct inode *inode, c
+ inode->i_uid = attr->ia_uid;
+ if (ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
++ if ((ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ if (ia_valid & ATTR_ATIME)
+ inode->i_atime = timespec_trunc(attr->ia_atime,
+ inode->i_sb->s_time_gran);
+@@ -174,7 +183,8 @@ int notify_change(struct dentry * dentry
+
+ WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex));
+
+- if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_TIMES_SET)) {
++ if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID |
++ ATTR_TAG | ATTR_TIMES_SET)) {
+ if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
+ return -EPERM;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/block_dev.c linux-3.7.10-vs2.3.5.6/fs/block_dev.c
+--- linux-3.7.10/fs/block_dev.c 2013-03-02 09:54:59.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/block_dev.c 2013-03-02 15:26:03.000000000 +0000
+@@ -27,6 +27,7 @@
+ #include <linux/namei.h>
+ #include <linux/log2.h>
+ #include <linux/cleancache.h>
++#include <linux/vs_device.h>
+ #include <asm/uaccess.h>
+ #include "internal.h"
+
+@@ -528,6 +529,7 @@ struct block_device *bdget(dev_t dev)
+ bdev->bd_invalidated = 0;
+ inode->i_mode = S_IFBLK;
+ inode->i_rdev = dev;
++ inode->i_mdev = dev;
+ inode->i_bdev = bdev;
+ inode->i_data.a_ops = &def_blk_aops;
+ mapping_set_gfp_mask(&inode->i_data, GFP_USER);
+@@ -574,6 +576,11 @@ EXPORT_SYMBOL(bdput);
+ static struct block_device *bd_acquire(struct inode *inode)
+ {
+ struct block_device *bdev;
++ dev_t mdev;
++
++ if (!vs_map_blkdev(inode->i_rdev, &mdev, DATTR_OPEN))
++ return NULL;
++ inode->i_mdev = mdev;
+
+ spin_lock(&bdev_lock);
+ bdev = inode->i_bdev;
+@@ -584,7 +591,7 @@ static struct block_device *bd_acquire(s
+ }
+ spin_unlock(&bdev_lock);
+
+- bdev = bdget(inode->i_rdev);
++ bdev = bdget(mdev);
+ if (bdev) {
+ spin_lock(&bdev_lock);
+ if (!inode->i_bdev) {
+diff -NurpP --minimal linux-3.7.10/fs/btrfs/ctree.h linux-3.7.10-vs2.3.5.6/fs/btrfs/ctree.h
+--- linux-3.7.10/fs/btrfs/ctree.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/btrfs/ctree.h 2012-12-18 15:13:16.000000000 +0000
+@@ -692,11 +692,14 @@ struct btrfs_inode_item {
+ /* modification sequence number for NFS */
+ __le64 sequence;
+
++ __le16 tag;
+ /*
+ * a little future expansion, for more than this we can
+ * just grow the inode item and version it
+ */
+- __le64 reserved[4];
++ __le16 reserved16;
++ __le32 reserved32;
++ __le64 reserved[3];
+ struct btrfs_timespec atime;
+ struct btrfs_timespec ctime;
+ struct btrfs_timespec mtime;
+@@ -1757,6 +1760,8 @@ struct btrfs_ioctl_defrag_range_args {
+ #define BTRFS_MOUNT_CHECK_INTEGRITY_INCLUDING_EXTENT_DATA (1 << 21)
+ #define BTRFS_MOUNT_PANIC_ON_FATAL_ERROR (1 << 22)
+
++#define BTRFS_MOUNT_TAGGED (1 << 24)
++
+ #define btrfs_clear_opt(o, opt) ((o) &= ~BTRFS_MOUNT_##opt)
+ #define btrfs_set_opt(o, opt) ((o) |= BTRFS_MOUNT_##opt)
+ #define btrfs_test_opt(root, opt) ((root)->fs_info->mount_opt & \
+@@ -2025,6 +2030,7 @@ BTRFS_SETGET_FUNCS(inode_block_group, st
+ BTRFS_SETGET_FUNCS(inode_nlink, struct btrfs_inode_item, nlink, 32);
+ BTRFS_SETGET_FUNCS(inode_uid, struct btrfs_inode_item, uid, 32);
+ BTRFS_SETGET_FUNCS(inode_gid, struct btrfs_inode_item, gid, 32);
++BTRFS_SETGET_FUNCS(inode_tag, struct btrfs_inode_item, tag, 16);
+ BTRFS_SETGET_FUNCS(inode_mode, struct btrfs_inode_item, mode, 32);
+ BTRFS_SETGET_FUNCS(inode_rdev, struct btrfs_inode_item, rdev, 64);
+ BTRFS_SETGET_FUNCS(inode_flags, struct btrfs_inode_item, flags, 64);
+@@ -2078,6 +2084,10 @@ BTRFS_SETGET_FUNCS(extent_flags, struct
+
+ BTRFS_SETGET_FUNCS(extent_refs_v0, struct btrfs_extent_item_v0, refs, 32);
+
++#define BTRFS_INODE_IXUNLINK (1 << 24)
++#define BTRFS_INODE_BARRIER (1 << 25)
++#define BTRFS_INODE_COW (1 << 26)
++
+
+ BTRFS_SETGET_FUNCS(tree_block_level, struct btrfs_tree_block_info, level, 8);
+
+@@ -3363,6 +3373,7 @@ extern const struct dentry_operations bt
+ long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+ void btrfs_update_iflags(struct inode *inode);
+ void btrfs_inherit_iflags(struct inode *inode, struct inode *dir);
++int btrfs_sync_flags(struct inode *inode, int, int);
+ int btrfs_defrag_file(struct inode *inode, struct file *file,
+ struct btrfs_ioctl_defrag_range_args *range,
+ u64 newer_than, unsigned long max_pages);
+diff -NurpP --minimal linux-3.7.10/fs/btrfs/disk-io.c linux-3.7.10-vs2.3.5.6/fs/btrfs/disk-io.c
+--- linux-3.7.10/fs/btrfs/disk-io.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/btrfs/disk-io.c 2012-12-18 15:13:16.000000000 +0000
+@@ -2197,6 +2197,9 @@ int open_ctree(struct super_block *sb,
+ goto fail_alloc;
+ }
+
++ if (btrfs_test_opt(tree_root, TAGGED))
++ sb->s_flags |= MS_TAGGED;
++
+ features = btrfs_super_incompat_flags(disk_super) &
+ ~BTRFS_FEATURE_INCOMPAT_SUPP;
+ if (features) {
+diff -NurpP --minimal linux-3.7.10/fs/btrfs/inode.c linux-3.7.10-vs2.3.5.6/fs/btrfs/inode.c
+--- linux-3.7.10/fs/btrfs/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/btrfs/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -39,6 +39,7 @@
+ #include <linux/slab.h>
+ #include <linux/ratelimit.h>
+ #include <linux/mount.h>
++#include <linux/vs_tag.h>
+ #include "compat.h"
+ #include "ctree.h"
+ #include "disk-io.h"
+@@ -2530,6 +2531,8 @@ static void btrfs_read_locked_inode(stru
+ struct btrfs_key location;
+ int maybe_acls;
+ u32 rdev;
++ uid_t uid;
++ gid_t gid;
+ int ret;
+ bool filled = false;
+
+@@ -2557,8 +2560,13 @@ static void btrfs_read_locked_inode(stru
+ struct btrfs_inode_item);
+ inode->i_mode = btrfs_inode_mode(leaf, inode_item);
+ set_nlink(inode, btrfs_inode_nlink(leaf, inode_item));
+- i_uid_write(inode, btrfs_inode_uid(leaf, inode_item));
+- i_gid_write(inode, btrfs_inode_gid(leaf, inode_item));
++
++ uid = btrfs_inode_uid(leaf, inode_item);
++ gid = btrfs_inode_gid(leaf, inode_item);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), uid, gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), uid, gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), uid, gid,
++ btrfs_inode_tag(leaf, inode_item)));
+ btrfs_i_size_write(inode, btrfs_inode_size(leaf, inode_item));
+
+ tspec = btrfs_inode_atime(inode_item);
+@@ -2648,8 +2656,16 @@ static void fill_inode_item(struct btrfs
+ struct btrfs_inode_item *item,
+ struct inode *inode)
+ {
+- btrfs_set_inode_uid(leaf, item, i_uid_read(inode));
+- btrfs_set_inode_gid(leaf, item, i_gid_read(inode));
++ uid_t uid = TAGINO_UID(DX_TAG(inode),
++ i_uid_read(inode), i_tag_read(inode));
++ gid_t gid = TAGINO_GID(DX_TAG(inode),
++ i_gid_read(inode), i_tag_read(inode));
++
++ btrfs_set_inode_uid(leaf, item, uid);
++ btrfs_set_inode_gid(leaf, item, gid);
++#ifdef CONFIG_TAGGING_INTERN
++ btrfs_set_inode_tag(leaf, item, i_tag_read(inode));
++#endif
+ btrfs_set_inode_size(leaf, item, BTRFS_I(inode)->disk_i_size);
+ btrfs_set_inode_mode(leaf, item, inode->i_mode);
+ btrfs_set_inode_nlink(leaf, item, inode->i_nlink);
+@@ -7786,11 +7802,13 @@ static const struct inode_operations btr
+ .listxattr = btrfs_listxattr,
+ .removexattr = btrfs_removexattr,
+ .permission = btrfs_permission,
++ .sync_flags = btrfs_sync_flags,
+ .get_acl = btrfs_get_acl,
+ };
+ static const struct inode_operations btrfs_dir_ro_inode_operations = {
+ .lookup = btrfs_lookup,
+ .permission = btrfs_permission,
++ .sync_flags = btrfs_sync_flags,
+ .get_acl = btrfs_get_acl,
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/btrfs/ioctl.c linux-3.7.10-vs2.3.5.6/fs/btrfs/ioctl.c
+--- linux-3.7.10/fs/btrfs/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/btrfs/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -74,10 +74,13 @@ static unsigned int btrfs_flags_to_ioctl
+ {
+ unsigned int iflags = 0;
+
+- if (flags & BTRFS_INODE_SYNC)
+- iflags |= FS_SYNC_FL;
+ if (flags & BTRFS_INODE_IMMUTABLE)
+ iflags |= FS_IMMUTABLE_FL;
++ if (flags & BTRFS_INODE_IXUNLINK)
++ iflags |= FS_IXUNLINK_FL;
++
++ if (flags & BTRFS_INODE_SYNC)
++ iflags |= FS_SYNC_FL;
+ if (flags & BTRFS_INODE_APPEND)
+ iflags |= FS_APPEND_FL;
+ if (flags & BTRFS_INODE_NODUMP)
+@@ -94,28 +97,78 @@ static unsigned int btrfs_flags_to_ioctl
+ else if (flags & BTRFS_INODE_NOCOMPRESS)
+ iflags |= FS_NOCOMP_FL;
+
++ if (flags & BTRFS_INODE_BARRIER)
++ iflags |= FS_BARRIER_FL;
++ if (flags & BTRFS_INODE_COW)
++ iflags |= FS_COW_FL;
+ return iflags;
+ }
+
+ /*
+- * Update inode->i_flags based on the btrfs internal flags.
++ * Update inode->i_(v)flags based on the btrfs internal flags.
+ */
+ void btrfs_update_iflags(struct inode *inode)
+ {
+ struct btrfs_inode *ip = BTRFS_I(inode);
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
+- if (ip->flags & BTRFS_INODE_SYNC)
+- inode->i_flags |= S_SYNC;
+ if (ip->flags & BTRFS_INODE_IMMUTABLE)
+ inode->i_flags |= S_IMMUTABLE;
++ if (ip->flags & BTRFS_INODE_IXUNLINK)
++ inode->i_flags |= S_IXUNLINK;
++
++ if (ip->flags & BTRFS_INODE_SYNC)
++ inode->i_flags |= S_SYNC;
+ if (ip->flags & BTRFS_INODE_APPEND)
+ inode->i_flags |= S_APPEND;
+ if (ip->flags & BTRFS_INODE_NOATIME)
+ inode->i_flags |= S_NOATIME;
+ if (ip->flags & BTRFS_INODE_DIRSYNC)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (ip->flags & BTRFS_INODE_BARRIER)
++ inode->i_vflags |= V_BARRIER;
++ if (ip->flags & BTRFS_INODE_COW)
++ inode->i_vflags |= V_COW;
++}
++
++/*
++ * Update btrfs internal flags from inode->i_(v)flags.
++ */
++void btrfs_update_flags(struct inode *inode)
++{
++ struct btrfs_inode *ip = BTRFS_I(inode);
++
++ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ ip->flags &= ~(BTRFS_INODE_SYNC | BTRFS_INODE_APPEND |
++ BTRFS_INODE_IMMUTABLE | BTRFS_INODE_IXUNLINK |
++ BTRFS_INODE_NOATIME | BTRFS_INODE_DIRSYNC |
++ BTRFS_INODE_BARRIER | BTRFS_INODE_COW);
++
++ if (flags & S_IMMUTABLE)
++ ip->flags |= BTRFS_INODE_IMMUTABLE;
++ if (flags & S_IXUNLINK)
++ ip->flags |= BTRFS_INODE_IXUNLINK;
++
++ if (flags & S_SYNC)
++ ip->flags |= BTRFS_INODE_SYNC;
++ if (flags & S_APPEND)
++ ip->flags |= BTRFS_INODE_APPEND;
++ if (flags & S_NOATIME)
++ ip->flags |= BTRFS_INODE_NOATIME;
++ if (flags & S_DIRSYNC)
++ ip->flags |= BTRFS_INODE_DIRSYNC;
++
++ if (vflags & V_BARRIER)
++ ip->flags |= BTRFS_INODE_BARRIER;
++ if (vflags & V_COW)
++ ip->flags |= BTRFS_INODE_COW;
+ }
+
+ /*
+@@ -131,6 +184,7 @@ void btrfs_inherit_iflags(struct inode *
+ return;
+
+ flags = BTRFS_I(dir)->flags;
++ flags &= ~BTRFS_INODE_BARRIER;
+
+ if (flags & BTRFS_INODE_NOCOMPRESS) {
+ BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS;
+@@ -146,6 +200,30 @@ void btrfs_inherit_iflags(struct inode *
+ btrfs_update_iflags(inode);
+ }
+
++int btrfs_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ struct btrfs_inode *ip = BTRFS_I(inode);
++ struct btrfs_root *root = ip->root;
++ struct btrfs_trans_handle *trans;
++ int ret;
++
++ trans = btrfs_join_transaction(root);
++ BUG_ON(!trans);
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ btrfs_update_flags(inode);
++
++ ret = btrfs_update_inode(trans, root, inode);
++ BUG_ON(ret);
++
++ btrfs_update_iflags(inode);
++ inode->i_ctime = CURRENT_TIME;
++ btrfs_end_transaction(trans, root);
++
++ return 0;
++}
++
+ static int btrfs_ioctl_getflags(struct file *file, void __user *arg)
+ {
+ struct btrfs_inode *ip = BTRFS_I(file->f_path.dentry->d_inode);
+@@ -208,21 +286,27 @@ static int btrfs_ioctl_setflags(struct f
+
+ flags = btrfs_mask_flags(inode->i_mode, flags);
+ oldflags = btrfs_flags_to_ioctl(ip->flags);
+- if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL)) {
++ if ((flags ^ oldflags) & (FS_APPEND_FL |
++ FS_IMMUTABLE_FL | FS_IXUNLINK_FL)) {
+ if (!capable(CAP_LINUX_IMMUTABLE)) {
+ ret = -EPERM;
+ goto out_unlock;
+ }
+ }
+
+- if (flags & FS_SYNC_FL)
+- ip->flags |= BTRFS_INODE_SYNC;
+- else
+- ip->flags &= ~BTRFS_INODE_SYNC;
+ if (flags & FS_IMMUTABLE_FL)
+ ip->flags |= BTRFS_INODE_IMMUTABLE;
+ else
+ ip->flags &= ~BTRFS_INODE_IMMUTABLE;
++ if (flags & FS_IXUNLINK_FL)
++ ip->flags |= BTRFS_INODE_IXUNLINK;
++ else
++ ip->flags &= ~BTRFS_INODE_IXUNLINK;
++
++ if (flags & FS_SYNC_FL)
++ ip->flags |= BTRFS_INODE_SYNC;
++ else
++ ip->flags &= ~BTRFS_INODE_SYNC;
+ if (flags & FS_APPEND_FL)
+ ip->flags |= BTRFS_INODE_APPEND;
+ else
+diff -NurpP --minimal linux-3.7.10/fs/btrfs/super.c linux-3.7.10-vs2.3.5.6/fs/btrfs/super.c
+--- linux-3.7.10/fs/btrfs/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/btrfs/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -312,7 +312,7 @@ enum {
+ Opt_no_space_cache, Opt_recovery, Opt_skip_balance,
+ Opt_check_integrity, Opt_check_integrity_including_extent_data,
+ Opt_check_integrity_print_mask, Opt_fatal_errors,
+- Opt_err,
++ Opt_tag, Opt_notag, Opt_tagid, Opt_err,
+ };
+
+ static match_table_t tokens = {
+@@ -352,6 +352,9 @@ static match_table_t tokens = {
+ {Opt_check_integrity_including_extent_data, "check_int_data"},
+ {Opt_check_integrity_print_mask, "check_int_print_mask=%d"},
+ {Opt_fatal_errors, "fatal_errors=%s"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL},
+ };
+
+@@ -614,6 +617,22 @@ int btrfs_parse_options(struct btrfs_roo
+ goto out;
+ }
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ printk(KERN_INFO "btrfs: use tagging\n");
++ btrfs_set_opt(info->mount_opt, TAGGED);
++ break;
++ case Opt_notag:
++ printk(KERN_INFO "btrfs: disabled tagging\n");
++ btrfs_clear_opt(info->mount_opt, TAGGED);
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ btrfs_set_opt(info->mount_opt, TAGGED);
++ break;
++#endif
+ case Opt_err:
+ printk(KERN_INFO "btrfs: unrecognized mount option "
+ "'%s'\n", p);
+@@ -1211,6 +1230,12 @@ static int btrfs_remount(struct super_bl
+ btrfs_resize_thread_pool(fs_info,
+ fs_info->thread_pool_size, old_thread_pool_size);
+
++ if (btrfs_test_opt(root, TAGGED) && !(sb->s_flags & MS_TAGGED)) {
++ printk("btrfs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ return -EINVAL;
++ }
++
+ if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
+ return 0;
+
+diff -NurpP --minimal linux-3.7.10/fs/char_dev.c linux-3.7.10-vs2.3.5.6/fs/char_dev.c
+--- linux-3.7.10/fs/char_dev.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/char_dev.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,8 @@
+ #include <linux/mutex.h>
+ #include <linux/backing-dev.h>
+ #include <linux/tty.h>
++#include <linux/vs_context.h>
++#include <linux/vs_device.h>
+
+ #include "internal.h"
+
+@@ -371,14 +373,21 @@ static int chrdev_open(struct inode *ino
+ struct cdev *p;
+ struct cdev *new = NULL;
+ int ret = 0;
++ dev_t mdev;
++
++ if (!vs_map_chrdev(inode->i_rdev, &mdev, DATTR_OPEN))
++ return -EPERM;
++ inode->i_mdev = mdev;
+
+ spin_lock(&cdev_lock);
+ p = inode->i_cdev;
+ if (!p) {
+ struct kobject *kobj;
+ int idx;
++
+ spin_unlock(&cdev_lock);
+- kobj = kobj_lookup(cdev_map, inode->i_rdev, &idx);
++
++ kobj = kobj_lookup(cdev_map, mdev, &idx);
+ if (!kobj)
+ return -ENXIO;
+ new = container_of(kobj, struct cdev, kobj);
+diff -NurpP --minimal linux-3.7.10/fs/dcache.c linux-3.7.10-vs2.3.5.6/fs/dcache.c
+--- linux-3.7.10/fs/dcache.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/dcache.c 2013-01-16 00:19:03.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/rculist_bl.h>
+ #include <linux/prefetch.h>
+ #include <linux/ratelimit.h>
++#include <linux/vs_limit.h>
+ #include "internal.h"
+ #include "mount.h"
+
+@@ -617,6 +618,8 @@ int d_invalidate(struct dentry * dentry)
+ spin_lock(&dentry->d_lock);
+ }
+
++ vx_dentry_dec(dentry);
++
+ /*
+ * Somebody else still using it?
+ *
+@@ -646,6 +649,7 @@ EXPORT_SYMBOL(d_invalidate);
+ static inline void __dget_dlock(struct dentry *dentry)
+ {
+ dentry->d_count++;
++ vx_dentry_inc(dentry);
+ }
+
+ static inline void __dget(struct dentry *dentry)
+@@ -1276,6 +1280,9 @@ struct dentry *__d_alloc(struct super_bl
+ struct dentry *dentry;
+ char *dname;
+
++ if (!vx_dentry_avail(1))
++ return NULL;
++
+ dentry = kmem_cache_alloc(dentry_cache, GFP_KERNEL);
+ if (!dentry)
+ return NULL;
+@@ -1308,6 +1315,7 @@ struct dentry *__d_alloc(struct super_bl
+
+ dentry->d_count = 1;
+ dentry->d_flags = 0;
++ vx_dentry_inc(dentry);
+ spin_lock_init(&dentry->d_lock);
+ seqcount_init(&dentry->d_seq);
+ dentry->d_inode = NULL;
+@@ -2012,6 +2020,7 @@ struct dentry *__d_lookup(struct dentry
+ }
+
+ dentry->d_count++;
++ vx_dentry_inc(dentry);
+ found = dentry;
+ spin_unlock(&dentry->d_lock);
+ break;
+diff -NurpP --minimal linux-3.7.10/fs/devpts/inode.c linux-3.7.10-vs2.3.5.6/fs/devpts/inode.c
+--- linux-3.7.10/fs/devpts/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/devpts/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,7 @@
+ #include <linux/parser.h>
+ #include <linux/fsnotify.h>
+ #include <linux/seq_file.h>
++#include <linux/vs_base.h>
+
+ #define DEVPTS_DEFAULT_MODE 0600
+ /*
+@@ -36,6 +37,21 @@
+ #define DEVPTS_DEFAULT_PTMX_MODE 0000
+ #define PTMX_MINOR 2
+
++static int devpts_permission(struct inode *inode, int mask)
++{
++ int ret = -EACCES;
++
++ /* devpts is xid tagged */
++ if (vx_check((xid_t)i_tag_read(inode), VS_WATCH_P | VS_IDENT))
++ ret = generic_permission(inode, mask);
++ return ret;
++}
++
++static struct inode_operations devpts_file_inode_operations = {
++ .permission = devpts_permission,
++};
++
++
+ /*
+ * sysctl support for setting limits on the number of Unix98 ptys allocated.
+ * Otherwise one can eat up all kernel memory by opening /dev/ptmx repeatedly.
+@@ -336,6 +352,34 @@ static int devpts_show_options(struct se
+ return 0;
+ }
+
++static int devpts_filter(struct dentry *de)
++{
++ xid_t xid = 0;
++
++ /* devpts is xid tagged */
++ if (de && de->d_inode)
++ xid = (xid_t)i_tag_read(de->d_inode);
++#ifdef CONFIG_VSERVER_WARN_DEVPTS
++ else
++ vxwprintk_task(1, "devpts " VS_Q("%.*s") " without inode.",
++ de->d_name.len, de->d_name.name);
++#endif
++ return vx_check(xid, VS_WATCH_P | VS_IDENT);
++}
++
++static int devpts_readdir(struct file * filp, void * dirent, filldir_t filldir)
++{
++ return dcache_readdir_filter(filp, dirent, filldir, devpts_filter);
++}
++
++static struct file_operations devpts_dir_operations = {
++ .open = dcache_dir_open,
++ .release = dcache_dir_close,
++ .llseek = dcache_dir_lseek,
++ .read = generic_read_dir,
++ .readdir = devpts_readdir,
++};
++
+ static const struct super_operations devpts_sops = {
+ .statfs = simple_statfs,
+ .remount_fs = devpts_remount,
+@@ -379,8 +423,10 @@ devpts_fill_super(struct super_block *s,
+ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+ inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
+ inode->i_op = &simple_dir_inode_operations;
+- inode->i_fop = &simple_dir_operations;
++ inode->i_fop = &devpts_dir_operations;
+ set_nlink(inode, 2);
++ /* devpts is xid tagged */
++ i_tag_write(inode, (tag_t)vx_current_xid());
+
+ s->s_root = d_make_root(inode);
+ if (s->s_root)
+@@ -572,6 +618,9 @@ int devpts_pty_new(struct inode *ptmx_in
+ inode->i_gid = opts->setgid ? opts->gid : current_fsgid();
+ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+ init_special_inode(inode, S_IFCHR|opts->mode, device);
++ /* devpts is xid tagged */
++ i_tag_write(inode, (tag_t)vx_current_xid());
++ inode->i_op = &devpts_file_inode_operations;
+ inode->i_private = tty;
+ tty->driver_data = inode;
+
+diff -NurpP --minimal linux-3.7.10/fs/ext2/balloc.c linux-3.7.10-vs2.3.5.6/fs/ext2/balloc.c
+--- linux-3.7.10/fs/ext2/balloc.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/balloc.c 2012-12-18 15:13:16.000000000 +0000
+@@ -699,7 +699,6 @@ ext2_try_to_allocate(struct super_block
+ start = 0;
+ end = EXT2_BLOCKS_PER_GROUP(sb);
+ }
+-
+ BUG_ON(start > EXT2_BLOCKS_PER_GROUP(sb));
+
+ repeat:
+diff -NurpP --minimal linux-3.7.10/fs/ext2/ext2.h linux-3.7.10-vs2.3.5.6/fs/ext2/ext2.h
+--- linux-3.7.10/fs/ext2/ext2.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/ext2.h 2012-12-18 15:13:16.000000000 +0000
+@@ -244,8 +244,12 @@ struct ext2_group_desc
+ #define EXT2_NOTAIL_FL FS_NOTAIL_FL /* file tail should not be merged */
+ #define EXT2_DIRSYNC_FL FS_DIRSYNC_FL /* dirsync behaviour (directories only) */
+ #define EXT2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
++#define EXT2_IXUNLINK_FL FS_IXUNLINK_FL /* Immutable invert on unlink */
+ #define EXT2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
+
++#define EXT2_BARRIER_FL FS_BARRIER_FL /* Barrier for chroot() */
++#define EXT2_COW_FL FS_COW_FL /* Copy on Write marker */
++
+ #define EXT2_FL_USER_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
+ #define EXT2_FL_USER_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
+
+@@ -329,7 +333,8 @@ struct ext2_inode {
+ __u16 i_pad1;
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+- __u32 l_i_reserved2;
++ __le16 l_i_tag; /* Context Tag */
++ __u16 l_i_reserved2;
+ } linux2;
+ struct {
+ __u8 h_i_frag; /* Fragment number */
+@@ -357,6 +362,7 @@ struct ext2_inode {
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_reserved2 osd2.linux2.l_i_reserved2
+
+ /*
+@@ -384,6 +390,7 @@ struct ext2_inode {
+ #define EXT2_MOUNT_USRQUOTA 0x020000 /* user quota */
+ #define EXT2_MOUNT_GRPQUOTA 0x040000 /* group quota */
+ #define EXT2_MOUNT_RESERVATION 0x080000 /* Preallocation */
++#define EXT2_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
+
+
+ #define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt
+@@ -757,6 +764,7 @@ extern void ext2_set_inode_flags(struct
+ extern void ext2_get_inode_flags(struct ext2_inode_info *);
+ extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ u64 start, u64 len);
++extern int ext2_sync_flags(struct inode *, int, int);
+
+ /* ioctl.c */
+ extern long ext2_ioctl(struct file *, unsigned int, unsigned long);
+diff -NurpP --minimal linux-3.7.10/fs/ext2/file.c linux-3.7.10-vs2.3.5.6/fs/ext2/file.c
+--- linux-3.7.10/fs/ext2/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -104,4 +104,5 @@ const struct inode_operations ext2_file_
+ .setattr = ext2_setattr,
+ .get_acl = ext2_get_acl,
+ .fiemap = ext2_fiemap,
++ .sync_flags = ext2_sync_flags,
+ };
+diff -NurpP --minimal linux-3.7.10/fs/ext2/ialloc.c linux-3.7.10-vs2.3.5.6/fs/ext2/ialloc.c
+--- linux-3.7.10/fs/ext2/ialloc.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/ialloc.c 2012-12-18 15:13:16.000000000 +0000
+@@ -17,6 +17,7 @@
+ #include <linux/backing-dev.h>
+ #include <linux/buffer_head.h>
+ #include <linux/random.h>
++#include <linux/vs_tag.h>
+ #include "ext2.h"
+ #include "xattr.h"
+ #include "acl.h"
+@@ -547,6 +548,7 @@ got:
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ inode->i_tag = dx_current_fstag(sb);
+ } else
+ inode_init_owner(inode, dir, mode);
+
+diff -NurpP --minimal linux-3.7.10/fs/ext2/inode.c linux-3.7.10-vs2.3.5.6/fs/ext2/inode.c
+--- linux-3.7.10/fs/ext2/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -31,6 +31,7 @@
+ #include <linux/mpage.h>
+ #include <linux/fiemap.h>
+ #include <linux/namei.h>
++#include <linux/vs_tag.h>
+ #include "ext2.h"
+ #include "acl.h"
+ #include "xip.h"
+@@ -1165,7 +1166,7 @@ static void ext2_truncate_blocks(struct
+ return;
+ if (ext2_inode_is_fast_symlink(inode))
+ return;
+- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
++ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
+ return;
+ __ext2_truncate_blocks(inode, offset);
+ }
+@@ -1256,36 +1257,61 @@ void ext2_set_inode_flags(struct inode *
+ {
+ unsigned int flags = EXT2_I(inode)->i_flags;
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
++
++
++ if (flags & EXT2_IMMUTABLE_FL)
++ inode->i_flags |= S_IMMUTABLE;
++ if (flags & EXT2_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
+ if (flags & EXT2_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+ if (flags & EXT2_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+- if (flags & EXT2_IMMUTABLE_FL)
+- inode->i_flags |= S_IMMUTABLE;
+ if (flags & EXT2_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & EXT2_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & EXT2_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & EXT2_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to EXT2_I(inode)->i_flags */
+ void ext2_get_inode_flags(struct ext2_inode_info *ei)
+ {
+ unsigned int flags = ei->vfs_inode.i_flags;
++ unsigned int vflags = ei->vfs_inode.i_vflags;
++
++ ei->i_flags &= ~(EXT2_SYNC_FL | EXT2_APPEND_FL |
++ EXT2_IMMUTABLE_FL | EXT2_IXUNLINK_FL |
++ EXT2_NOATIME_FL | EXT2_DIRSYNC_FL |
++ EXT2_BARRIER_FL | EXT2_COW_FL);
++
++ if (flags & S_IMMUTABLE)
++ ei->i_flags |= EXT2_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ ei->i_flags |= EXT2_IXUNLINK_FL;
+
+- ei->i_flags &= ~(EXT2_SYNC_FL|EXT2_APPEND_FL|
+- EXT2_IMMUTABLE_FL|EXT2_NOATIME_FL|EXT2_DIRSYNC_FL);
+ if (flags & S_SYNC)
+ ei->i_flags |= EXT2_SYNC_FL;
+ if (flags & S_APPEND)
+ ei->i_flags |= EXT2_APPEND_FL;
+- if (flags & S_IMMUTABLE)
+- ei->i_flags |= EXT2_IMMUTABLE_FL;
+ if (flags & S_NOATIME)
+ ei->i_flags |= EXT2_NOATIME_FL;
+ if (flags & S_DIRSYNC)
+ ei->i_flags |= EXT2_DIRSYNC_FL;
++
++ if (vflags & V_BARRIER)
++ ei->i_flags |= EXT2_BARRIER_FL;
++ if (vflags & V_COW)
++ ei->i_flags |= EXT2_COW_FL;
+ }
+
+ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
+@@ -1321,8 +1347,10 @@ struct inode *ext2_iget (struct super_bl
+ i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+ i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+ }
+- i_uid_write(inode, i_uid);
+- i_gid_write(inode, i_gid);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), i_uid, i_gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), i_uid, i_gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), i_uid, i_gid,
++ le16_to_cpu(raw_inode->i_raw_tag)));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
+ inode->i_size = le32_to_cpu(raw_inode->i_size);
+ inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
+@@ -1420,8 +1448,10 @@ static int __ext2_write_inode(struct ino
+ struct ext2_inode_info *ei = EXT2_I(inode);
+ struct super_block *sb = inode->i_sb;
+ ino_t ino = inode->i_ino;
+- uid_t uid = i_uid_read(inode);
+- gid_t gid = i_gid_read(inode);
++ uid_t uid = TAGINO_UID(DX_TAG(inode),
++ i_uid_read(inode), i_tag_read(inode));
++ gid_t gid = TAGINO_GID(DX_TAG(inode),
++ i_gid_read(inode), i_tag_read(inode));
+ struct buffer_head * bh;
+ struct ext2_inode * raw_inode = ext2_get_inode(sb, ino, &bh);
+ int n;
+@@ -1457,6 +1487,9 @@ static int __ext2_write_inode(struct ino
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ }
++#ifdef CONFIG_TAGGING_INTERN
++ raw_inode->i_raw_tag = cpu_to_le16(i_tag_read(inode));
++#endif
+ raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
+ raw_inode->i_size = cpu_to_le32(inode->i_size);
+ raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec);
+@@ -1537,7 +1570,8 @@ int ext2_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, iattr))
+ dquot_initialize(inode);
+ if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
+- (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
++ (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid)) ||
++ (iattr->ia_valid & ATTR_TAG && !tag_eq(iattr->ia_tag, inode->i_tag))) {
+ error = dquot_transfer(inode, iattr);
+ if (error)
+ return error;
+diff -NurpP --minimal linux-3.7.10/fs/ext2/ioctl.c linux-3.7.10-vs2.3.5.6/fs/ext2/ioctl.c
+--- linux-3.7.10/fs/ext2/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -17,6 +17,16 @@
+ #include <asm/uaccess.h>
+
+
++int ext2_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext2_get_inode_flags(EXT2_I(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++ mark_inode_dirty(inode);
++ return 0;
++}
++
+ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -51,6 +61,11 @@ long ext2_ioctl(struct file *filp, unsig
+
+ flags = ext2_mask_flags(inode->i_mode, flags);
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ mutex_lock(&inode->i_mutex);
+ /* Is it quota file? Do not allow user to mess with it */
+ if (IS_NOQUOTA(inode)) {
+@@ -66,7 +81,9 @@ long ext2_ioctl(struct file *filp, unsig
+ *
+ * This test looks nicer. Thanks to Pauline Middelink
+ */
+- if ((flags ^ oldflags) & (EXT2_APPEND_FL | EXT2_IMMUTABLE_FL)) {
++ if ((oldflags & EXT2_IMMUTABLE_FL) ||
++ ((flags ^ oldflags) & (EXT2_APPEND_FL |
++ EXT2_IMMUTABLE_FL | EXT2_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE)) {
+ mutex_unlock(&inode->i_mutex);
+ ret = -EPERM;
+@@ -74,7 +91,7 @@ long ext2_ioctl(struct file *filp, unsig
+ }
+ }
+
+- flags = flags & EXT2_FL_USER_MODIFIABLE;
++ flags &= EXT2_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~EXT2_FL_USER_MODIFIABLE;
+ ei->i_flags = flags;
+
+diff -NurpP --minimal linux-3.7.10/fs/ext2/namei.c linux-3.7.10-vs2.3.5.6/fs/ext2/namei.c
+--- linux-3.7.10/fs/ext2/namei.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/namei.c 2012-12-18 15:13:16.000000000 +0000
+@@ -32,6 +32,7 @@
+
+ #include <linux/pagemap.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+ #include "ext2.h"
+ #include "xattr.h"
+ #include "acl.h"
+@@ -73,6 +74,7 @@ static struct dentry *ext2_lookup(struct
+ (unsigned long) ino);
+ return ERR_PTR(-EIO);
+ }
++ dx_propagate_tag(nd, inode);
+ }
+ return d_splice_alias(inode, dentry);
+ }
+@@ -397,6 +399,7 @@ const struct inode_operations ext2_dir_i
+ .removexattr = generic_removexattr,
+ #endif
+ .setattr = ext2_setattr,
++ .sync_flags = ext2_sync_flags,
+ .get_acl = ext2_get_acl,
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/ext2/super.c linux-3.7.10-vs2.3.5.6/fs/ext2/super.c
+--- linux-3.7.10/fs/ext2/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -395,7 +395,8 @@ enum {
+ Opt_err_ro, Opt_nouid32, Opt_nocheck, Opt_debug,
+ Opt_oldalloc, Opt_orlov, Opt_nobh, Opt_user_xattr, Opt_nouser_xattr,
+ Opt_acl, Opt_noacl, Opt_xip, Opt_ignore, Opt_err, Opt_quota,
+- Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation
++ Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation,
++ Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -423,6 +424,9 @@ static const match_table_t tokens = {
+ {Opt_acl, "acl"},
+ {Opt_noacl, "noacl"},
+ {Opt_xip, "xip"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_grpquota, "grpquota"},
+ {Opt_ignore, "noquota"},
+ {Opt_quota, "quota"},
+@@ -506,6 +510,20 @@ static int parse_options(char *options,
+ case Opt_nouid32:
+ set_opt (sbi->s_mount_opt, NO_UID32);
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++ case Opt_notag:
++ clear_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
+ case Opt_nocheck:
+ clear_opt (sbi->s_mount_opt, CHECK);
+ break;
+@@ -864,6 +882,8 @@ static int ext2_fill_super(struct super_
+ if (!parse_options((char *) data, sb))
+ goto failed_mount;
+
++ if (EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ ((EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ?
+ MS_POSIXACL : 0);
+@@ -1269,6 +1289,14 @@ static int ext2_remount (struct super_bl
+ err = -EINVAL;
+ goto restore_opts;
+ }
++
++ if ((sbi->s_mount_opt & EXT2_MOUNT_TAGGED) &&
++ !(sb->s_flags & MS_TAGGED)) {
++ printk("EXT2-fs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ err = -EINVAL;
++ goto restore_opts;
++ }
+
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ ((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+diff -NurpP --minimal linux-3.7.10/fs/ext3/ext3.h linux-3.7.10-vs2.3.5.6/fs/ext3/ext3.h
+--- linux-3.7.10/fs/ext3/ext3.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/ext3.h 2012-12-18 15:13:16.000000000 +0000
+@@ -151,10 +151,14 @@ struct ext3_group_desc
+ #define EXT3_NOTAIL_FL 0x00008000 /* file tail should not be merged */
+ #define EXT3_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
+ #define EXT3_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
++#define EXT3_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define EXT3_RESERVED_FL 0x80000000 /* reserved for ext3 lib */
+
+-#define EXT3_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
+-#define EXT3_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
++#define EXT3_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define EXT3_COW_FL 0x20000000 /* Copy on Write marker */
++
++#define EXT3_FL_USER_VISIBLE 0x0103DFFF /* User visible flags */
++#define EXT3_FL_USER_MODIFIABLE 0x010380FF /* User modifiable flags */
+
+ /* Flags that should be inherited by new inodes from their parent. */
+ #define EXT3_FL_INHERITED (EXT3_SECRM_FL | EXT3_UNRM_FL | EXT3_COMPR_FL |\
+@@ -290,7 +294,8 @@ struct ext3_inode {
+ __u16 i_pad1;
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+- __u32 l_i_reserved2;
++ __le16 l_i_tag; /* Context Tag */
++ __u16 l_i_reserved2;
+ } linux2;
+ struct {
+ __u8 h_i_frag; /* Fragment number */
+@@ -320,6 +325,7 @@ struct ext3_inode {
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_reserved2 osd2.linux2.l_i_reserved2
+
+ /*
+@@ -364,6 +370,7 @@ struct ext3_inode {
+ #define EXT3_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
+ #define EXT3_MOUNT_DATA_ERR_ABORT 0x400000 /* Abort on file data write
+ * error in ordered mode */
++#define EXT3_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
+
+ /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
+ #ifndef _LINUX_EXT2_FS_H
+@@ -1061,6 +1068,7 @@ extern void ext3_get_inode_flags(struct
+ extern void ext3_set_aops(struct inode *inode);
+ extern int ext3_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ u64 start, u64 len);
++extern int ext3_sync_flags(struct inode *, int, int);
+
+ /* ioctl.c */
+ extern long ext3_ioctl(struct file *, unsigned int, unsigned long);
+diff -NurpP --minimal linux-3.7.10/fs/ext3/file.c linux-3.7.10-vs2.3.5.6/fs/ext3/file.c
+--- linux-3.7.10/fs/ext3/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -76,5 +76,6 @@ const struct inode_operations ext3_file_
+ #endif
+ .get_acl = ext3_get_acl,
+ .fiemap = ext3_fiemap,
++ .sync_flags = ext3_sync_flags,
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/ext3/ialloc.c linux-3.7.10-vs2.3.5.6/fs/ext3/ialloc.c
+--- linux-3.7.10/fs/ext3/ialloc.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/ialloc.c 2012-12-18 15:13:16.000000000 +0000
+@@ -14,6 +14,7 @@
+
+ #include <linux/quotaops.h>
+ #include <linux/random.h>
++#include <linux/vs_tag.h>
+
+ #include "ext3.h"
+ #include "xattr.h"
+@@ -469,6 +470,7 @@ got:
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ inode->i_tag = dx_current_fstag(sb);
+ } else
+ inode_init_owner(inode, dir, mode);
+
+diff -NurpP --minimal linux-3.7.10/fs/ext3/inode.c linux-3.7.10-vs2.3.5.6/fs/ext3/inode.c
+--- linux-3.7.10/fs/ext3/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -27,6 +27,8 @@
+ #include <linux/writeback.h>
+ #include <linux/mpage.h>
+ #include <linux/namei.h>
++#include <linux/vs_tag.h>
++
+ #include "ext3.h"
+ #include "xattr.h"
+ #include "acl.h"
+@@ -2848,36 +2850,60 @@ void ext3_set_inode_flags(struct inode *
+ {
+ unsigned int flags = EXT3_I(inode)->i_flags;
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
++
++ if (flags & EXT3_IMMUTABLE_FL)
++ inode->i_flags |= S_IMMUTABLE;
++ if (flags & EXT3_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
+ if (flags & EXT3_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+ if (flags & EXT3_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+- if (flags & EXT3_IMMUTABLE_FL)
+- inode->i_flags |= S_IMMUTABLE;
+ if (flags & EXT3_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & EXT3_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & EXT3_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & EXT3_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to EXT3_I(inode)->i_flags */
+ void ext3_get_inode_flags(struct ext3_inode_info *ei)
+ {
+ unsigned int flags = ei->vfs_inode.i_flags;
++ unsigned int vflags = ei->vfs_inode.i_vflags;
++
++ ei->i_flags &= ~(EXT3_SYNC_FL | EXT3_APPEND_FL |
++ EXT3_IMMUTABLE_FL | EXT3_IXUNLINK_FL |
++ EXT3_NOATIME_FL | EXT3_DIRSYNC_FL |
++ EXT3_BARRIER_FL | EXT3_COW_FL);
++
++ if (flags & S_IMMUTABLE)
++ ei->i_flags |= EXT3_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ ei->i_flags |= EXT3_IXUNLINK_FL;
+
+- ei->i_flags &= ~(EXT3_SYNC_FL|EXT3_APPEND_FL|
+- EXT3_IMMUTABLE_FL|EXT3_NOATIME_FL|EXT3_DIRSYNC_FL);
+ if (flags & S_SYNC)
+ ei->i_flags |= EXT3_SYNC_FL;
+ if (flags & S_APPEND)
+ ei->i_flags |= EXT3_APPEND_FL;
+- if (flags & S_IMMUTABLE)
+- ei->i_flags |= EXT3_IMMUTABLE_FL;
+ if (flags & S_NOATIME)
+ ei->i_flags |= EXT3_NOATIME_FL;
+ if (flags & S_DIRSYNC)
+ ei->i_flags |= EXT3_DIRSYNC_FL;
++
++ if (vflags & V_BARRIER)
++ ei->i_flags |= EXT3_BARRIER_FL;
++ if (vflags & V_COW)
++ ei->i_flags |= EXT3_COW_FL;
+ }
+
+ struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
+@@ -2915,8 +2941,10 @@ struct inode *ext3_iget(struct super_blo
+ i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+ i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+ }
+- i_uid_write(inode, i_uid);
+- i_gid_write(inode, i_gid);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), i_uid, i_gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), i_uid, i_gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), i_uid, i_gid,
++ le16_to_cpu(raw_inode->i_raw_tag)));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
+ inode->i_size = le32_to_cpu(raw_inode->i_size);
+ inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
+@@ -3088,8 +3116,10 @@ again:
+
+ ext3_get_inode_flags(ei);
+ raw_inode->i_mode = cpu_to_le16(inode->i_mode);
+- i_uid = i_uid_read(inode);
+- i_gid = i_gid_read(inode);
++ i_uid = TAGINO_UID(DX_TAG(inode),
++ i_uid_read(inode), i_tag_read(inode));
++ i_gid = TAGINO_GID(DX_TAG(inode),
++ i_gid_read(inode), i_tag_read(inode));
+ if(!(test_opt(inode->i_sb, NO_UID32))) {
+ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(i_uid));
+ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(i_gid));
+@@ -3114,6 +3144,9 @@ again:
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ }
++#ifdef CONFIG_TAGGING_INTERN
++ raw_inode->i_raw_tag = cpu_to_le16(i_tag_read(inode));
++#endif
+ raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
+ disksize = cpu_to_le32(ei->i_disksize);
+ if (disksize != raw_inode->i_size) {
+@@ -3282,7 +3315,8 @@ int ext3_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, attr))
+ dquot_initialize(inode);
+ if ((ia_valid & ATTR_UID && !uid_eq(attr->ia_uid, inode->i_uid)) ||
+- (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid))) {
++ (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid)) ||
++ (ia_valid & ATTR_TAG && !tag_eq(attr->ia_tag, inode->i_tag))) {
+ handle_t *handle;
+
+ /* (user+group)*(old+new) structure, inode write (sb,
+@@ -3304,6 +3338,8 @@ int ext3_setattr(struct dentry *dentry,
+ inode->i_uid = attr->ia_uid;
+ if (attr->ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
++ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ error = ext3_mark_inode_dirty(handle, inode);
+ ext3_journal_stop(handle);
+ }
+diff -NurpP --minimal linux-3.7.10/fs/ext3/ioctl.c linux-3.7.10-vs2.3.5.6/fs/ext3/ioctl.c
+--- linux-3.7.10/fs/ext3/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -12,6 +12,34 @@
+ #include <asm/uaccess.h>
+ #include "ext3.h"
+
++
++int ext3_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ handle_t *handle = NULL;
++ struct ext3_iloc iloc;
++ int err;
++
++ handle = ext3_journal_start(inode, 1);
++ if (IS_ERR(handle))
++ return PTR_ERR(handle);
++
++ if (IS_SYNC(inode))
++ handle->h_sync = 1;
++ err = ext3_reserve_inode_write(handle, inode, &iloc);
++ if (err)
++ goto flags_err;
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext3_get_inode_flags(EXT3_I(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++
++ err = ext3_mark_iloc_dirty(handle, inode, &iloc);
++flags_err:
++ ext3_journal_stop(handle);
++ return err;
++}
++
+ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -45,6 +73,11 @@ long ext3_ioctl(struct file *filp, unsig
+
+ flags = ext3_mask_flags(inode->i_mode, flags);
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ mutex_lock(&inode->i_mutex);
+
+ /* Is it quota file? Do not allow user to mess with it */
+@@ -63,7 +96,9 @@ long ext3_ioctl(struct file *filp, unsig
+ *
+ * This test looks nicer. Thanks to Pauline Middelink
+ */
+- if ((flags ^ oldflags) & (EXT3_APPEND_FL | EXT3_IMMUTABLE_FL)) {
++ if ((oldflags & EXT3_IMMUTABLE_FL) ||
++ ((flags ^ oldflags) & (EXT3_APPEND_FL |
++ EXT3_IMMUTABLE_FL | EXT3_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE))
+ goto flags_out;
+ }
+@@ -88,7 +123,7 @@ long ext3_ioctl(struct file *filp, unsig
+ if (err)
+ goto flags_err;
+
+- flags = flags & EXT3_FL_USER_MODIFIABLE;
++ flags &= EXT3_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~EXT3_FL_USER_MODIFIABLE;
+ ei->i_flags = flags;
+
+diff -NurpP --minimal linux-3.7.10/fs/ext3/namei.c linux-3.7.10-vs2.3.5.6/fs/ext3/namei.c
+--- linux-3.7.10/fs/ext3/namei.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/namei.c 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,8 @@
+ */
+
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
++
+ #include "ext3.h"
+ #include "namei.h"
+ #include "xattr.h"
+@@ -919,6 +921,7 @@ restart:
+ submit_bh(READ | REQ_META | REQ_PRIO,
+ bh);
+ }
++ dx_propagate_tag(nd, inode);
+ }
+ }
+ if ((bh = bh_use[ra_ptr++]) == NULL)
+@@ -2528,6 +2531,7 @@ const struct inode_operations ext3_dir_i
+ .listxattr = ext3_listxattr,
+ .removexattr = generic_removexattr,
+ #endif
++ .sync_flags = ext3_sync_flags,
+ .get_acl = ext3_get_acl,
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/ext3/super.c linux-3.7.10-vs2.3.5.6/fs/ext3/super.c
+--- linux-3.7.10/fs/ext3/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -816,7 +816,8 @@ enum {
+ Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
+ Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_jqfmt_vfsv1, Opt_quota,
+ Opt_noquota, Opt_ignore, Opt_barrier, Opt_nobarrier, Opt_err,
+- Opt_resize, Opt_usrquota, Opt_grpquota
++ Opt_resize, Opt_usrquota, Opt_grpquota,
++ Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -873,6 +874,9 @@ static const match_table_t tokens = {
+ {Opt_barrier, "barrier"},
+ {Opt_nobarrier, "nobarrier"},
+ {Opt_resize, "resize"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL},
+ };
+
+@@ -1038,6 +1042,20 @@ static int parse_options (char *options,
+ case Opt_nouid32:
+ set_opt (sbi->s_mount_opt, NO_UID32);
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++ case Opt_notag:
++ clear_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
+ case Opt_nocheck:
+ clear_opt (sbi->s_mount_opt, CHECK);
+ break;
+@@ -1738,6 +1756,9 @@ static int ext3_fill_super (struct super
+ NULL, 0))
+ goto failed_mount;
+
++ if (EXT3_SB(sb)->s_mount_opt & EXT3_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+@@ -2622,6 +2643,14 @@ static int ext3_remount (struct super_bl
+ if (test_opt(sb, ABORT))
+ ext3_abort(sb, __func__, "Abort forced by user");
+
++ if ((sbi->s_mount_opt & EXT3_MOUNT_TAGGED) &&
++ !(sb->s_flags & MS_TAGGED)) {
++ printk("EXT3-fs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ err = -EINVAL;
++ goto restore_opts;
++ }
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+diff -NurpP --minimal linux-3.7.10/fs/ext4/ext4.h linux-3.7.10-vs2.3.5.6/fs/ext4/ext4.h
+--- linux-3.7.10/fs/ext4/ext4.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/ext4.h 2012-12-18 15:13:16.000000000 +0000
+@@ -392,8 +392,12 @@ struct flex_groups {
+ #define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
+ #define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */
+ #define EXT4_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
++#define EXT4_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
+
++#define EXT4_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define EXT4_COW_FL 0x20000000 /* Copy on Write marker */
++
+ #define EXT4_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */
+ #define EXT4_FL_USER_MODIFIABLE 0x004B80FF /* User modifiable flags */
+
+@@ -665,7 +669,7 @@ struct ext4_inode {
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+ __le16 l_i_checksum_lo;/* crc32c(uuid+inum+inode) LE */
+- __le16 l_i_reserved;
++ __le16 l_i_tag; /* Context Tag */
+ } linux2;
+ struct {
+ __le16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */
+@@ -783,6 +787,7 @@ do { \
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_checksum_lo osd2.linux2.l_i_checksum_lo
+
+ #elif defined(__GNU__)
+@@ -961,6 +966,7 @@ struct ext4_inode_info {
+ #define EXT4_MOUNT_POSIX_ACL 0x08000 /* POSIX Access Control Lists */
+ #define EXT4_MOUNT_NO_AUTO_DA_ALLOC 0x10000 /* No auto delalloc mapping */
+ #define EXT4_MOUNT_BARRIER 0x20000 /* Use block barriers */
++#define EXT4_MOUNT_TAGGED 0x40000 /* Enable Context Tags */
+ #define EXT4_MOUNT_QUOTA 0x80000 /* Some quota option set */
+ #define EXT4_MOUNT_USRQUOTA 0x100000 /* "old" user quota */
+ #define EXT4_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
+@@ -2412,6 +2418,7 @@ extern int ext4_map_blocks(handle_t *han
+ struct ext4_map_blocks *map, int flags);
+ extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ __u64 start, __u64 len);
++extern int ext4_sync_flags(struct inode *, int, int);
+ /* move_extent.c */
+ extern int ext4_move_extents(struct file *o_filp, struct file *d_filp,
+ __u64 start_orig, __u64 start_donor,
+diff -NurpP --minimal linux-3.7.10/fs/ext4/file.c linux-3.7.10-vs2.3.5.6/fs/ext4/file.c
+--- linux-3.7.10/fs/ext4/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -334,5 +334,6 @@ const struct inode_operations ext4_file_
+ #endif
+ .get_acl = ext4_get_acl,
+ .fiemap = ext4_fiemap,
++ .sync_flags = ext4_sync_flags,
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/ext4/ialloc.c linux-3.7.10-vs2.3.5.6/fs/ext4/ialloc.c
+--- linux-3.7.10/fs/ext4/ialloc.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/ialloc.c 2013-02-05 01:14:43.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/random.h>
+ #include <linux/bitops.h>
+ #include <linux/blkdev.h>
++#include <linux/vs_tag.h>
+ #include <asm/byteorder.h>
+
+ #include "ext4.h"
+@@ -848,6 +849,7 @@ got:
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ inode->i_tag = dx_current_fstag(sb);
+ } else
+ inode_init_owner(inode, dir, mode);
+
+diff -NurpP --minimal linux-3.7.10/fs/ext4/inode.c linux-3.7.10-vs2.3.5.6/fs/ext4/inode.c
+--- linux-3.7.10/fs/ext4/inode.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/inode.c 2013-02-05 01:14:43.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/printk.h>
+ #include <linux/slab.h>
+ #include <linux/ratelimit.h>
++#include <linux/vs_tag.h>
+
+ #include "ext4_jbd2.h"
+ #include "xattr.h"
+@@ -3697,41 +3698,64 @@ void ext4_set_inode_flags(struct inode *
+ {
+ unsigned int flags = EXT4_I(inode)->i_flags;
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
++
++ if (flags & EXT4_IMMUTABLE_FL)
++ inode->i_flags |= S_IMMUTABLE;
++ if (flags & EXT4_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
+ if (flags & EXT4_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+ if (flags & EXT4_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+- if (flags & EXT4_IMMUTABLE_FL)
+- inode->i_flags |= S_IMMUTABLE;
+ if (flags & EXT4_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & EXT4_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & EXT4_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & EXT4_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to EXT4_I(inode)->i_flags */
+ void ext4_get_inode_flags(struct ext4_inode_info *ei)
+ {
+- unsigned int vfs_fl;
++ unsigned int vfs_fl, vfs_vf;
+ unsigned long old_fl, new_fl;
+
+ do {
+ vfs_fl = ei->vfs_inode.i_flags;
++ vfs_vf = ei->vfs_inode.i_vflags;
+ old_fl = ei->i_flags;
+ new_fl = old_fl & ~(EXT4_SYNC_FL|EXT4_APPEND_FL|
+ EXT4_IMMUTABLE_FL|EXT4_NOATIME_FL|
+- EXT4_DIRSYNC_FL);
++ EXT4_DIRSYNC_FL|EXT4_BARRIER_FL|
++ EXT4_COW_FL);
++
++ if (vfs_fl & S_IMMUTABLE)
++ new_fl |= EXT4_IMMUTABLE_FL;
++ if (vfs_fl & S_IXUNLINK)
++ new_fl |= EXT4_IXUNLINK_FL;
++
+ if (vfs_fl & S_SYNC)
+ new_fl |= EXT4_SYNC_FL;
+ if (vfs_fl & S_APPEND)
+ new_fl |= EXT4_APPEND_FL;
+- if (vfs_fl & S_IMMUTABLE)
+- new_fl |= EXT4_IMMUTABLE_FL;
+ if (vfs_fl & S_NOATIME)
+ new_fl |= EXT4_NOATIME_FL;
+ if (vfs_fl & S_DIRSYNC)
+ new_fl |= EXT4_DIRSYNC_FL;
++
++ if (vfs_vf & V_BARRIER)
++ new_fl |= EXT4_BARRIER_FL;
++ if (vfs_vf & V_COW)
++ new_fl |= EXT4_COW_FL;
+ } while (cmpxchg(&ei->i_flags, old_fl, new_fl) != old_fl);
+ }
+
+@@ -3823,8 +3847,10 @@ struct inode *ext4_iget(struct super_blo
+ i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+ i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+ }
+- i_uid_write(inode, i_uid);
+- i_gid_write(inode, i_gid);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), i_uid, i_gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), i_uid, i_gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), i_uid, i_gid,
++ le16_to_cpu(raw_inode->i_raw_tag)));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
+
+ ext4_clear_state_flags(ei); /* Only relevant on 32-bit archs */
+@@ -4048,8 +4074,10 @@ static int ext4_do_update_inode(handle_t
+
+ ext4_get_inode_flags(ei);
+ raw_inode->i_mode = cpu_to_le16(inode->i_mode);
+- i_uid = i_uid_read(inode);
+- i_gid = i_gid_read(inode);
++ i_uid = TAGINO_UID(DX_TAG(inode),
++ i_uid_read(inode), i_tag_read(inode));
++ i_gid = TAGINO_GID(DX_TAG(inode),
++ i_gid_read(inode), i_tag_read(inode));
+ if (!(test_opt(inode->i_sb, NO_UID32))) {
+ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(i_uid));
+ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(i_gid));
+@@ -4072,6 +4100,9 @@ static int ext4_do_update_inode(handle_t
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ }
++#ifdef CONFIG_TAGGING_INTERN
++ raw_inode->i_raw_tag = cpu_to_le16(i_tag_read(inode));
++#endif
+ raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
+
+ EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode);
+@@ -4260,7 +4291,8 @@ int ext4_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, attr))
+ dquot_initialize(inode);
+ if ((ia_valid & ATTR_UID && !uid_eq(attr->ia_uid, inode->i_uid)) ||
+- (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid))) {
++ (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid)) ||
++ (ia_valid & ATTR_TAG && !tag_eq(attr->ia_tag, inode->i_tag))) {
+ handle_t *handle;
+
+ /* (user+group)*(old+new) structure, inode write (sb,
+@@ -4282,6 +4314,8 @@ int ext4_setattr(struct dentry *dentry,
+ inode->i_uid = attr->ia_uid;
+ if (attr->ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
++ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ error = ext4_mark_inode_dirty(handle, inode);
+ ext4_journal_stop(handle);
+ }
+diff -NurpP --minimal linux-3.7.10/fs/ext4/ioctl.c linux-3.7.10-vs2.3.5.6/fs/ext4/ioctl.c
+--- linux-3.7.10/fs/ext4/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -14,12 +14,40 @@
+ #include <linux/compat.h>
+ #include <linux/mount.h>
+ #include <linux/file.h>
++#include <linux/vs_tag.h>
+ #include <asm/uaccess.h>
+ #include "ext4_jbd2.h"
+ #include "ext4.h"
+
+ #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
+
++int ext4_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ handle_t *handle = NULL;
++ struct ext4_iloc iloc;
++ int err;
++
++ handle = ext4_journal_start(inode, 1);
++ if (IS_ERR(handle))
++ return PTR_ERR(handle);
++
++ if (IS_SYNC(inode))
++ ext4_handle_sync(handle);
++ err = ext4_reserve_inode_write(handle, inode, &iloc);
++ if (err)
++ goto flags_err;
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext4_get_inode_flags(EXT4_I(inode));
++ inode->i_ctime = ext4_current_time(inode);
++
++ err = ext4_mark_iloc_dirty(handle, inode, &iloc);
++flags_err:
++ ext4_journal_stop(handle);
++ return err;
++}
++
+ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -53,6 +81,11 @@ long ext4_ioctl(struct file *filp, unsig
+
+ flags = ext4_mask_flags(inode->i_mode, flags);
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ err = -EPERM;
+ mutex_lock(&inode->i_mutex);
+ /* Is it quota file? Do not allow user to mess with it */
+@@ -70,7 +103,9 @@ long ext4_ioctl(struct file *filp, unsig
+ *
+ * This test looks nicer. Thanks to Pauline Middelink
+ */
+- if ((flags ^ oldflags) & (EXT4_APPEND_FL | EXT4_IMMUTABLE_FL)) {
++ if ((oldflags & EXT4_IMMUTABLE_FL) ||
++ ((flags ^ oldflags) & (EXT4_APPEND_FL |
++ EXT4_IMMUTABLE_FL | EXT4_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE))
+ goto flags_out;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/ext4/namei.c linux-3.7.10-vs2.3.5.6/fs/ext4/namei.c
+--- linux-3.7.10/fs/ext4/namei.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/namei.c 2013-02-05 01:14:43.000000000 +0000
+@@ -34,6 +34,7 @@
+ #include <linux/quotaops.h>
+ #include <linux/buffer_head.h>
+ #include <linux/bio.h>
++#include <linux/vs_tag.h>
+ #include "ext4.h"
+ #include "ext4_jbd2.h"
+
+@@ -1232,6 +1233,7 @@ restart:
+ ll_rw_block(READ | REQ_META | REQ_PRIO,
+ 1, &bh);
+ }
++ dx_propagate_tag(nd, inode);
+ }
+ if ((bh = bh_use[ra_ptr++]) == NULL)
+ goto next;
+@@ -3052,6 +3054,7 @@ const struct inode_operations ext4_dir_i
+ #endif
+ .get_acl = ext4_get_acl,
+ .fiemap = ext4_fiemap,
++ .sync_flags = ext4_sync_flags,
+ };
+
+ const struct inode_operations ext4_special_inode_operations = {
+diff -NurpP --minimal linux-3.7.10/fs/ext4/super.c linux-3.7.10-vs2.3.5.6/fs/ext4/super.c
+--- linux-3.7.10/fs/ext4/super.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/super.c 2013-02-05 01:15:45.000000000 +0000
+@@ -1222,7 +1222,7 @@ enum {
+ Opt_inode_readahead_blks, Opt_journal_ioprio,
+ Opt_dioread_nolock, Opt_dioread_lock,
+ Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
+- Opt_max_dir_size_kb,
++ Opt_max_dir_size_kb, Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -1302,6 +1302,9 @@ static const match_table_t tokens = {
+ {Opt_removed, "reservation"}, /* mount option from ext2/3 */
+ {Opt_removed, "noreservation"}, /* mount option from ext2/3 */
+ {Opt_removed, "journal=%u"}, /* mount option from ext2/3 */
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL},
+ };
+
+@@ -1549,6 +1552,20 @@ static int handle_mount_opt(struct super
+ return -1;
+ *journal_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, arg);
+ return 1;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ set_opt(sb, TAGGED);
++ return 1;
++ case Opt_notag:
++ clear_opt(sb, TAGGED);
++ return 1;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ set_opt(sb, TAGGED);
++ return 1;
++#endif
+ }
+
+ for (m = ext4_mount_opts; m->token != Opt_err; m++) {
+@@ -3456,6 +3473,9 @@ static int ext4_fill_super(struct super_
+ clear_opt(sb, DELALLOC);
+ }
+
++ if (EXT4_SB(sb)->s_mount_opt & EXT4_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+@@ -4620,6 +4640,14 @@ static int ext4_remount(struct super_blo
+ if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED)
+ ext4_abort(sb, "Abort forced by user");
+
++ if ((sbi->s_mount_opt & EXT4_MOUNT_TAGGED) &&
++ !(sb->s_flags & MS_TAGGED)) {
++ printk("EXT4-fs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ err = -EINVAL;
++ goto restore_opts;
++ }
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+diff -NurpP --minimal linux-3.7.10/fs/fcntl.c linux-3.7.10-vs2.3.5.6/fs/fcntl.c
+--- linux-3.7.10/fs/fcntl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/fcntl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/rcupdate.h>
+ #include <linux/pid_namespace.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/poll.h>
+ #include <asm/siginfo.h>
+@@ -378,6 +379,8 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, f
+
+ if (!f.file)
+ goto out;
++ if (!vx_files_avail(1))
++ goto out;
+
+ if (unlikely(f.file->f_mode & FMODE_PATH)) {
+ if (!check_fcntl_cmd(cmd))
+diff -NurpP --minimal linux-3.7.10/fs/file.c linux-3.7.10-vs2.3.5.6/fs/file.c
+--- linux-3.7.10/fs/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/spinlock.h>
+ #include <linux/rcupdate.h>
+ #include <linux/workqueue.h>
++#include <linux/vs_limit.h>
+
+ struct fdtable_defer {
+ spinlock_t lock;
+@@ -364,6 +365,8 @@ struct files_struct *dup_fd(struct files
+ struct file *f = *old_fds++;
+ if (f) {
+ get_file(f);
++ /* TODO: sum it first for check and performance */
++ vx_openfd_inc(open_files - i);
+ } else {
+ /*
+ * The fd may be claimed in the fd bitmap but not yet
+@@ -429,9 +432,11 @@ static void close_files(struct files_str
+ filp_close(file, files);
+ cond_resched();
+ }
++ vx_openfd_dec(i);
+ }
+ i++;
+ set >>= 1;
++ cond_resched();
+ }
+ }
+ }
+@@ -573,6 +578,7 @@ repeat:
+ else
+ __clear_close_on_exec(fd, fdt);
+ error = fd;
++ vx_openfd_inc(fd);
+ #if 1
+ /* Sanity check */
+ if (rcu_dereference_raw(fdt->fd[fd]) != NULL) {
+@@ -603,6 +609,7 @@ static void __put_unused_fd(struct files
+ __clear_open_fd(fd, fdt);
+ if (fd < files->next_fd)
+ files->next_fd = fd;
++ vx_openfd_dec(fd);
+ }
+
+ void put_unused_fd(unsigned int fd)
+@@ -882,6 +889,8 @@ static int do_dup2(struct files_struct *
+
+ if (tofree)
+ filp_close(tofree, files);
++ else
++ vx_openfd_inc(fd); /* fd was unused */
+
+ return fd;
+
+diff -NurpP --minimal linux-3.7.10/fs/file_table.c linux-3.7.10-vs2.3.5.6/fs/file_table.c
+--- linux-3.7.10/fs/file_table.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/file_table.c 2013-01-16 00:19:03.000000000 +0000
+@@ -26,6 +26,8 @@
+ #include <linux/hardirq.h>
+ #include <linux/task_work.h>
+ #include <linux/ima.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_context.h>
+
+ #include <linux/atomic.h>
+
+@@ -136,6 +138,8 @@ struct file *get_empty_filp(void)
+ spin_lock_init(&f->f_lock);
+ eventpoll_init_file(f);
+ /* f->f_version: 0 */
++ f->f_xid = vx_current_xid();
++ vx_files_inc(f);
+ return f;
+
+ over:
+@@ -257,6 +261,8 @@ static void __fput(struct file *file)
+ i_readcount_dec(inode);
+ if (file->f_mode & FMODE_WRITE)
+ drop_file_write_access(file);
++ vx_files_dec(file);
++ file->f_xid = 0;
+ file->f_path.dentry = NULL;
+ file->f_path.mnt = NULL;
+ file_free(file);
+@@ -343,6 +349,8 @@ void put_filp(struct file *file)
+ {
+ if (atomic_long_dec_and_test(&file->f_count)) {
+ security_file_free(file);
++ vx_files_dec(file);
++ file->f_xid = 0;
+ file_sb_list_del(file);
+ file_free(file);
+ }
+diff -NurpP --minimal linux-3.7.10/fs/fs_struct.c linux-3.7.10-vs2.3.5.6/fs/fs_struct.c
+--- linux-3.7.10/fs/fs_struct.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/fs_struct.c 2012-12-18 15:13:16.000000000 +0000
+@@ -4,6 +4,7 @@
+ #include <linux/path.h>
+ #include <linux/slab.h>
+ #include <linux/fs_struct.h>
++#include <linux/vserver/global.h>
+ #include "internal.h"
+
+ /*
+@@ -87,6 +88,7 @@ void free_fs_struct(struct fs_struct *fs
+ {
+ path_put(&fs->root);
+ path_put(&fs->pwd);
++ atomic_dec(&vs_global_fs);
+ kmem_cache_free(fs_cachep, fs);
+ }
+
+@@ -124,6 +126,7 @@ struct fs_struct *copy_fs_struct(struct
+ fs->pwd = old->pwd;
+ path_get(&fs->pwd);
+ spin_unlock(&old->lock);
++ atomic_inc(&vs_global_fs);
+ }
+ return fs;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/gfs2/file.c linux-3.7.10-vs2.3.5.6/fs/gfs2/file.c
+--- linux-3.7.10/fs/gfs2/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/gfs2/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -143,6 +143,9 @@ static const u32 fsflags_to_gfs2[32] = {
+ [12] = GFS2_DIF_EXHASH,
+ [14] = GFS2_DIF_INHERIT_JDATA,
+ [17] = GFS2_DIF_TOPDIR,
++ [27] = GFS2_DIF_IXUNLINK,
++ [26] = GFS2_DIF_BARRIER,
++ [29] = GFS2_DIF_COW,
+ };
+
+ static const u32 gfs2_to_fsflags[32] = {
+@@ -153,6 +156,9 @@ static const u32 gfs2_to_fsflags[32] = {
+ [gfs2fl_ExHash] = FS_INDEX_FL,
+ [gfs2fl_TopLevel] = FS_TOPDIR_FL,
+ [gfs2fl_InheritJdata] = FS_JOURNAL_DATA_FL,
++ [gfs2fl_IXUnlink] = FS_IXUNLINK_FL,
++ [gfs2fl_Barrier] = FS_BARRIER_FL,
++ [gfs2fl_Cow] = FS_COW_FL,
+ };
+
+ static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
+@@ -183,12 +189,18 @@ void gfs2_set_inode_flags(struct inode *
+ {
+ struct gfs2_inode *ip = GFS2_I(inode);
+ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC | S_NOSEC);
+
+- flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_NOSEC);
+ if ((ip->i_eattr == 0) && !is_sxid(inode->i_mode))
+ inode->i_flags |= S_NOSEC;
+ if (ip->i_diskflags & GFS2_DIF_IMMUTABLE)
+ flags |= S_IMMUTABLE;
++ if (ip->i_diskflags & GFS2_DIF_IXUNLINK)
++ flags |= S_IXUNLINK;
++
+ if (ip->i_diskflags & GFS2_DIF_APPENDONLY)
+ flags |= S_APPEND;
+ if (ip->i_diskflags & GFS2_DIF_NOATIME)
+@@ -196,6 +208,43 @@ void gfs2_set_inode_flags(struct inode *
+ if (ip->i_diskflags & GFS2_DIF_SYNC)
+ flags |= S_SYNC;
+ inode->i_flags = flags;
++
++ vflags &= ~(V_BARRIER | V_COW);
++
++ if (ip->i_diskflags & GFS2_DIF_BARRIER)
++ vflags |= V_BARRIER;
++ if (ip->i_diskflags & GFS2_DIF_COW)
++ vflags |= V_COW;
++ inode->i_vflags = vflags;
++}
++
++void gfs2_get_inode_flags(struct inode *inode)
++{
++ struct gfs2_inode *ip = GFS2_I(inode);
++ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ ip->i_diskflags &= ~(GFS2_DIF_APPENDONLY |
++ GFS2_DIF_NOATIME | GFS2_DIF_SYNC |
++ GFS2_DIF_IMMUTABLE | GFS2_DIF_IXUNLINK |
++ GFS2_DIF_BARRIER | GFS2_DIF_COW);
++
++ if (flags & S_IMMUTABLE)
++ ip->i_diskflags |= GFS2_DIF_IMMUTABLE;
++ if (flags & S_IXUNLINK)
++ ip->i_diskflags |= GFS2_DIF_IXUNLINK;
++
++ if (flags & S_APPEND)
++ ip->i_diskflags |= GFS2_DIF_APPENDONLY;
++ if (flags & S_NOATIME)
++ ip->i_diskflags |= GFS2_DIF_NOATIME;
++ if (flags & S_SYNC)
++ ip->i_diskflags |= GFS2_DIF_SYNC;
++
++ if (vflags & V_BARRIER)
++ ip->i_diskflags |= GFS2_DIF_BARRIER;
++ if (vflags & V_COW)
++ ip->i_diskflags |= GFS2_DIF_COW;
+ }
+
+ /* Flags that can be set by user space */
+@@ -309,6 +358,37 @@ static int gfs2_set_flags(struct file *f
+ return do_gfs2_set_flags(filp, gfsflags, ~GFS2_DIF_JDATA);
+ }
+
++int gfs2_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ struct gfs2_inode *ip = GFS2_I(inode);
++ struct gfs2_sbd *sdp = GFS2_SB(inode);
++ struct buffer_head *bh;
++ struct gfs2_holder gh;
++ int error;
++
++ error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
++ if (error)
++ return error;
++ error = gfs2_trans_begin(sdp, RES_DINODE, 0);
++ if (error)
++ goto out;
++ error = gfs2_meta_inode_buffer(ip, &bh);
++ if (error)
++ goto out_trans_end;
++ gfs2_trans_add_bh(ip->i_gl, bh, 1);
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ gfs2_get_inode_flags(inode);
++ gfs2_dinode_out(ip, bh->b_data);
++ brelse(bh);
++ gfs2_set_aops(inode);
++out_trans_end:
++ gfs2_trans_end(sdp);
++out:
++ gfs2_glock_dq_uninit(&gh);
++ return error;
++}
++
+ static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ switch(cmd) {
+diff -NurpP --minimal linux-3.7.10/fs/gfs2/inode.h linux-3.7.10-vs2.3.5.6/fs/gfs2/inode.h
+--- linux-3.7.10/fs/gfs2/inode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/gfs2/inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -117,6 +117,7 @@ extern const struct file_operations gfs2
+ extern const struct file_operations gfs2_dir_fops_nolock;
+
+ extern void gfs2_set_inode_flags(struct inode *inode);
++extern int gfs2_sync_flags(struct inode *inode, int flags, int vflags);
+
+ #ifdef CONFIG_GFS2_FS_LOCKING_DLM
+ extern const struct file_operations gfs2_file_fops;
+diff -NurpP --minimal linux-3.7.10/fs/hostfs/hostfs.h linux-3.7.10-vs2.3.5.6/fs/hostfs/hostfs.h
+--- linux-3.7.10/fs/hostfs/hostfs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/hostfs/hostfs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -42,6 +42,7 @@ struct hostfs_iattr {
+ unsigned short ia_mode;
+ uid_t ia_uid;
+ gid_t ia_gid;
++ tag_t ia_tag;
+ loff_t ia_size;
+ struct timespec ia_atime;
+ struct timespec ia_mtime;
+diff -NurpP --minimal linux-3.7.10/fs/inode.c linux-3.7.10-vs2.3.5.6/fs/inode.c
+--- linux-3.7.10/fs/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -17,6 +17,7 @@
+ #include <linux/prefetch.h>
+ #include <linux/buffer_head.h> /* for inode_has_buffers */
+ #include <linux/ratelimit.h>
++#include <linux/vs_tag.h>
+ #include "internal.h"
+
+ /*
+@@ -128,6 +129,8 @@ int inode_init_always(struct super_block
+ struct address_space *const mapping = &inode->i_data;
+
+ inode->i_sb = sb;
++
++ /* essential because of inode slab reuse */
+ inode->i_blkbits = sb->s_blocksize_bits;
+ inode->i_flags = 0;
+ atomic_set(&inode->i_count, 1);
+@@ -137,6 +140,7 @@ int inode_init_always(struct super_block
+ inode->i_opflags = 0;
+ i_uid_write(inode, 0);
+ i_gid_write(inode, 0);
++ i_tag_write(inode, 0);
+ atomic_set(&inode->i_writecount, 0);
+ inode->i_size = 0;
+ inode->i_blocks = 0;
+@@ -149,6 +153,7 @@ int inode_init_always(struct super_block
+ inode->i_bdev = NULL;
+ inode->i_cdev = NULL;
+ inode->i_rdev = 0;
++ inode->i_mdev = 0;
+ inode->dirtied_when = 0;
+
+ if (security_inode_alloc(inode))
+@@ -483,6 +488,8 @@ void __insert_inode_hash(struct inode *i
+ }
+ EXPORT_SYMBOL(__insert_inode_hash);
+
++EXPORT_SYMBOL_GPL(__iget);
++
+ /**
+ * __remove_inode_hash - remove an inode from the hash
+ * @inode: inode to unhash
+@@ -1804,9 +1811,11 @@ void init_special_inode(struct inode *in
+ if (S_ISCHR(mode)) {
+ inode->i_fop = &def_chr_fops;
+ inode->i_rdev = rdev;
++ inode->i_mdev = rdev;
+ } else if (S_ISBLK(mode)) {
+ inode->i_fop = &def_blk_fops;
+ inode->i_rdev = rdev;
++ inode->i_mdev = rdev;
+ } else if (S_ISFIFO(mode))
+ inode->i_fop = &def_fifo_fops;
+ else if (S_ISSOCK(mode))
+@@ -1835,6 +1844,7 @@ void inode_init_owner(struct inode *inod
+ } else
+ inode->i_gid = current_fsgid();
+ inode->i_mode = mode;
++ inode->i_tag = dx_current_fstag(inode->i_sb);
+ }
+ EXPORT_SYMBOL(inode_init_owner);
+
+diff -NurpP --minimal linux-3.7.10/fs/ioctl.c linux-3.7.10-vs2.3.5.6/fs/ioctl.c
+--- linux-3.7.10/fs/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -15,6 +15,9 @@
+ #include <linux/writeback.h>
+ #include <linux/buffer_head.h>
+ #include <linux/falloc.h>
++#include <linux/proc_fs.h>
++#include <linux/vserver/inode.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/ioctls.h>
+
+diff -NurpP --minimal linux-3.7.10/fs/ioprio.c linux-3.7.10-vs2.3.5.6/fs/ioprio.c
+--- linux-3.7.10/fs/ioprio.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ioprio.c 2012-12-18 15:13:16.000000000 +0000
+@@ -28,6 +28,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/security.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vs_base.h>
+
+ int set_task_ioprio(struct task_struct *task, int ioprio)
+ {
+@@ -105,6 +106,8 @@ SYSCALL_DEFINE3(ioprio_set, int, which,
+ else
+ pgrp = find_vpid(who);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ ret = set_task_ioprio(p, ioprio);
+ if (ret)
+ break;
+@@ -198,6 +201,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which,
+ else
+ pgrp = find_vpid(who);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ tmpio = get_task_ioprio(p);
+ if (tmpio < 0)
+ continue;
+diff -NurpP --minimal linux-3.7.10/fs/jfs/file.c linux-3.7.10-vs2.3.5.6/fs/jfs/file.c
+--- linux-3.7.10/fs/jfs/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -109,7 +109,8 @@ int jfs_setattr(struct dentry *dentry, s
+ if (is_quota_modification(inode, iattr))
+ dquot_initialize(inode);
+ if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
+- (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
++ (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid)) ||
++ (iattr->ia_valid & ATTR_TAG && !tag_eq(iattr->ia_tag, inode->i_tag))) {
+ rc = dquot_transfer(inode, iattr);
+ if (rc)
+ return rc;
+@@ -142,6 +143,7 @@ const struct inode_operations jfs_file_i
+ #ifdef CONFIG_JFS_POSIX_ACL
+ .get_acl = jfs_get_acl,
+ #endif
++ .sync_flags = jfs_sync_flags,
+ };
+
+ const struct file_operations jfs_file_operations = {
+diff -NurpP --minimal linux-3.7.10/fs/jfs/ioctl.c linux-3.7.10-vs2.3.5.6/fs/jfs/ioctl.c
+--- linux-3.7.10/fs/jfs/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -12,6 +12,7 @@
+ #include <linux/time.h>
+ #include <linux/sched.h>
+ #include <linux/blkdev.h>
++#include <linux/mount.h>
+ #include <asm/current.h>
+ #include <asm/uaccess.h>
+
+@@ -56,6 +57,16 @@ static long jfs_map_ext2(unsigned long f
+ }
+
+
++int jfs_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ jfs_get_inode_flags(JFS_IP(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++ mark_inode_dirty(inode);
++ return 0;
++}
++
+ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -89,6 +100,11 @@ long jfs_ioctl(struct file *filp, unsign
+ if (!S_ISDIR(inode->i_mode))
+ flags &= ~JFS_DIRSYNC_FL;
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ /* Is it quota file? Do not allow user to mess with it */
+ if (IS_NOQUOTA(inode)) {
+ err = -EPERM;
+@@ -106,8 +122,8 @@ long jfs_ioctl(struct file *filp, unsign
+ * the relevant capability.
+ */
+ if ((oldflags & JFS_IMMUTABLE_FL) ||
+- ((flags ^ oldflags) &
+- (JFS_APPEND_FL | JFS_IMMUTABLE_FL))) {
++ ((flags ^ oldflags) & (JFS_APPEND_FL |
++ JFS_IMMUTABLE_FL | JFS_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE)) {
+ mutex_unlock(&inode->i_mutex);
+ err = -EPERM;
+@@ -115,7 +131,7 @@ long jfs_ioctl(struct file *filp, unsign
+ }
+ }
+
+- flags = flags & JFS_FL_USER_MODIFIABLE;
++ flags &= JFS_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~JFS_FL_USER_MODIFIABLE;
+ jfs_inode->mode2 = flags;
+
+diff -NurpP --minimal linux-3.7.10/fs/jfs/jfs_dinode.h linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_dinode.h
+--- linux-3.7.10/fs/jfs/jfs_dinode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_dinode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -161,9 +161,13 @@ struct dinode {
+
+ #define JFS_APPEND_FL 0x01000000 /* writes to file may only append */
+ #define JFS_IMMUTABLE_FL 0x02000000 /* Immutable file */
++#define JFS_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+
+-#define JFS_FL_USER_VISIBLE 0x03F80000
+-#define JFS_FL_USER_MODIFIABLE 0x03F80000
++#define JFS_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define JFS_COW_FL 0x20000000 /* Copy on Write marker */
++
++#define JFS_FL_USER_VISIBLE 0x07F80000
++#define JFS_FL_USER_MODIFIABLE 0x07F80000
+ #define JFS_FL_INHERIT 0x03C80000
+
+ /* These are identical to EXT[23]_IOC_GETFLAGS/SETFLAGS */
+diff -NurpP --minimal linux-3.7.10/fs/jfs/jfs_filsys.h linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_filsys.h
+--- linux-3.7.10/fs/jfs/jfs_filsys.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_filsys.h 2012-12-18 15:13:16.000000000 +0000
+@@ -266,6 +266,7 @@
+ #define JFS_NAME_MAX 255
+ #define JFS_PATH_MAX BPSIZE
+
++#define JFS_TAGGED 0x00800000 /* Context Tagging */
+
+ /*
+ * file system state (superblock state)
+diff -NurpP --minimal linux-3.7.10/fs/jfs/jfs_imap.c linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_imap.c
+--- linux-3.7.10/fs/jfs/jfs_imap.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_imap.c 2012-12-18 15:13:16.000000000 +0000
+@@ -46,6 +46,7 @@
+ #include <linux/pagemap.h>
+ #include <linux/quotaops.h>
+ #include <linux/slab.h>
++#include <linux/vs_tag.h>
+
+ #include "jfs_incore.h"
+ #include "jfs_inode.h"
+@@ -3058,6 +3059,8 @@ static int copy_from_dinode(struct dinod
+ {
+ struct jfs_inode_info *jfs_ip = JFS_IP(ip);
+ struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb);
++ kuid_t uid;
++ kgid_t gid;
+
+ jfs_ip->fileset = le32_to_cpu(dip->di_fileset);
+ jfs_ip->mode2 = le32_to_cpu(dip->di_mode);
+@@ -3078,14 +3081,19 @@ static int copy_from_dinode(struct dinod
+ }
+ set_nlink(ip, le32_to_cpu(dip->di_nlink));
+
+- jfs_ip->saved_uid = make_kuid(&init_user_ns, le32_to_cpu(dip->di_uid));
++ uid = make_kuid(&init_user_ns, le32_to_cpu(dip->di_uid));
++ gid = make_kgid(&init_user_ns, le32_to_cpu(dip->di_gid));
++ ip->i_tag = make_ktag(&init_user_ns,
++ INOTAG_TAG(DX_TAG(ip), uid, gid, 0));
++
++ jfs_ip->saved_uid = INOTAG_UID(DX_TAG(ip), uid, gid);
+ if (!uid_valid(sbi->uid))
+ ip->i_uid = jfs_ip->saved_uid;
+ else {
+ ip->i_uid = sbi->uid;
+ }
+
+- jfs_ip->saved_gid = make_kgid(&init_user_ns, le32_to_cpu(dip->di_gid));
++ jfs_ip->saved_gid = INOTAG_GID(DX_TAG(ip), uid, gid);
+ if (!gid_valid(sbi->gid))
+ ip->i_gid = jfs_ip->saved_gid;
+ else {
+@@ -3150,16 +3158,14 @@ static void copy_to_dinode(struct dinode
+ dip->di_size = cpu_to_le64(ip->i_size);
+ dip->di_nblocks = cpu_to_le64(PBLK2LBLK(ip->i_sb, ip->i_blocks));
+ dip->di_nlink = cpu_to_le32(ip->i_nlink);
+- if (!uid_valid(sbi->uid))
+- dip->di_uid = cpu_to_le32(i_uid_read(ip));
+- else
+- dip->di_uid =cpu_to_le32(from_kuid(&init_user_ns,
+- jfs_ip->saved_uid));
+- if (!gid_valid(sbi->gid))
+- dip->di_gid = cpu_to_le32(i_gid_read(ip));
+- else
+- dip->di_gid = cpu_to_le32(from_kgid(&init_user_ns,
+- jfs_ip->saved_gid));
++ dip->di_uid = cpu_to_le32(from_kuid(&init_user_ns,
++ TAGINO_UID(DX_TAG(ip),
++ !uid_valid(sbi->uid) ? ip->i_uid : jfs_ip->saved_uid,
++ ip->i_tag)));
++ dip->di_gid = cpu_to_le32(from_kuid(&init_user_ns,
++ TAGINO_GID(DX_TAG(ip),
++ !gid_valid(sbi->gid) ? ip->i_gid : jfs_ip->saved_gid,
++ ip->i_tag)));
+ jfs_get_inode_flags(jfs_ip);
+ /*
+ * mode2 is only needed for storing the higher order bits.
+diff -NurpP --minimal linux-3.7.10/fs/jfs/jfs_inode.c linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_inode.c
+--- linux-3.7.10/fs/jfs/jfs_inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -18,6 +18,7 @@
+
+ #include <linux/fs.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+ #include "jfs_incore.h"
+ #include "jfs_inode.h"
+ #include "jfs_filsys.h"
+@@ -30,29 +31,46 @@ void jfs_set_inode_flags(struct inode *i
+ {
+ unsigned int flags = JFS_IP(inode)->mode2;
+
+- inode->i_flags &= ~(S_IMMUTABLE | S_APPEND |
+- S_NOATIME | S_DIRSYNC | S_SYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
+ if (flags & JFS_IMMUTABLE_FL)
+ inode->i_flags |= S_IMMUTABLE;
++ if (flags & JFS_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
++ if (flags & JFS_SYNC_FL)
++ inode->i_flags |= S_SYNC;
+ if (flags & JFS_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+ if (flags & JFS_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & JFS_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
+- if (flags & JFS_SYNC_FL)
+- inode->i_flags |= S_SYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & JFS_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & JFS_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip)
+ {
+ unsigned int flags = jfs_ip->vfs_inode.i_flags;
++ unsigned int vflags = jfs_ip->vfs_inode.i_vflags;
++
++ jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_IXUNLINK_FL |
++ JFS_APPEND_FL | JFS_NOATIME_FL |
++ JFS_DIRSYNC_FL | JFS_SYNC_FL |
++ JFS_BARRIER_FL | JFS_COW_FL);
+
+- jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_APPEND_FL | JFS_NOATIME_FL |
+- JFS_DIRSYNC_FL | JFS_SYNC_FL);
+ if (flags & S_IMMUTABLE)
+ jfs_ip->mode2 |= JFS_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ jfs_ip->mode2 |= JFS_IXUNLINK_FL;
++
+ if (flags & S_APPEND)
+ jfs_ip->mode2 |= JFS_APPEND_FL;
+ if (flags & S_NOATIME)
+@@ -61,6 +79,11 @@ void jfs_get_inode_flags(struct jfs_inod
+ jfs_ip->mode2 |= JFS_DIRSYNC_FL;
+ if (flags & S_SYNC)
+ jfs_ip->mode2 |= JFS_SYNC_FL;
++
++ if (vflags & V_BARRIER)
++ jfs_ip->mode2 |= JFS_BARRIER_FL;
++ if (vflags & V_COW)
++ jfs_ip->mode2 |= JFS_COW_FL;
+ }
+
+ /*
+diff -NurpP --minimal linux-3.7.10/fs/jfs/jfs_inode.h linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_inode.h
+--- linux-3.7.10/fs/jfs/jfs_inode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -39,6 +39,7 @@ extern struct dentry *jfs_fh_to_dentry(s
+ extern struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type);
+ extern void jfs_set_inode_flags(struct inode *);
++extern int jfs_sync_flags(struct inode *, int, int);
+ extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
+ extern int jfs_setattr(struct dentry *, struct iattr *);
+
+diff -NurpP --minimal linux-3.7.10/fs/jfs/namei.c linux-3.7.10-vs2.3.5.6/fs/jfs/namei.c
+--- linux-3.7.10/fs/jfs/namei.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/namei.c 2012-12-18 15:13:16.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/ctype.h>
+ #include <linux/quotaops.h>
+ #include <linux/exportfs.h>
++#include <linux/vs_tag.h>
+ #include "jfs_incore.h"
+ #include "jfs_superblock.h"
+ #include "jfs_inode.h"
+@@ -1461,6 +1462,7 @@ static struct dentry *jfs_lookup(struct
+ jfs_err("jfs_lookup: iget failed on inum %d", (uint)inum);
+ }
+
++ dx_propagate_tag(nd, ip);
+ return d_splice_alias(ip, dentry);
+ }
+
+@@ -1525,6 +1527,7 @@ const struct inode_operations jfs_dir_in
+ #ifdef CONFIG_JFS_POSIX_ACL
+ .get_acl = jfs_get_acl,
+ #endif
++ .sync_flags = jfs_sync_flags,
+ };
+
+ const struct file_operations jfs_dir_operations = {
+diff -NurpP --minimal linux-3.7.10/fs/jfs/super.c linux-3.7.10-vs2.3.5.6/fs/jfs/super.c
+--- linux-3.7.10/fs/jfs/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -199,7 +199,8 @@ enum {
+ Opt_integrity, Opt_nointegrity, Opt_iocharset, Opt_resize,
+ Opt_resize_nosize, Opt_errors, Opt_ignore, Opt_err, Opt_quota,
+ Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask,
+- Opt_discard, Opt_nodiscard, Opt_discard_minblk
++ Opt_discard, Opt_nodiscard, Opt_discard_minblk,
++ Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -209,6 +210,10 @@ static const match_table_t tokens = {
+ {Opt_resize, "resize=%u"},
+ {Opt_resize_nosize, "resize"},
+ {Opt_errors, "errors=%s"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
++ {Opt_tag, "tagxid"},
+ {Opt_ignore, "noquota"},
+ {Opt_ignore, "quota"},
+ {Opt_usrquota, "usrquota"},
+@@ -385,7 +390,20 @@ static int parse_options(char *options,
+ }
+ break;
+ }
+-
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ *flag |= JFS_TAGGED;
++ break;
++ case Opt_notag:
++ *flag &= JFS_TAGGED;
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ *flag |= JFS_TAGGED;
++ break;
++#endif
+ default:
+ printk("jfs: Unrecognized mount option \"%s\" "
+ " or missing value\n", p);
+@@ -417,6 +435,12 @@ static int jfs_remount(struct super_bloc
+ return -EINVAL;
+ }
+
++ if ((flag & JFS_TAGGED) && !(sb->s_flags & MS_TAGGED)) {
++ printk(KERN_ERR "JFS: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ return -EINVAL;
++ }
++
+ if (newLVSize) {
+ if (sb->s_flags & MS_RDONLY) {
+ pr_err("JFS: resize requires volume" \
+@@ -502,6 +526,9 @@ static int jfs_fill_super(struct super_b
+ #ifdef CONFIG_JFS_POSIX_ACL
+ sb->s_flags |= MS_POSIXACL;
+ #endif
++ /* map mount option tagxid */
++ if (sbi->flag & JFS_TAGGED)
++ sb->s_flags |= MS_TAGGED;
+
+ if (newLVSize) {
+ pr_err("resize option for remount only\n");
+diff -NurpP --minimal linux-3.7.10/fs/libfs.c linux-3.7.10-vs2.3.5.6/fs/libfs.c
+--- linux-3.7.10/fs/libfs.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/libfs.c 2012-12-18 15:13:16.000000000 +0000
+@@ -135,7 +135,8 @@ static inline unsigned char dt_type(stru
+ * both impossible due to the lock on directory.
+ */
+
+-int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
++static inline int do_dcache_readdir_filter(struct file *filp,
++ void *dirent, filldir_t filldir, int (*filter)(struct dentry *dentry))
+ {
+ struct dentry *dentry = filp->f_path.dentry;
+ struct dentry *cursor = filp->private_data;
+@@ -166,6 +167,8 @@ int dcache_readdir(struct file * filp, v
+ for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
+ struct dentry *next;
+ next = list_entry(p, struct dentry, d_u.d_child);
++ if (filter && !filter(next))
++ continue;
+ spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
+ if (!simple_positive(next)) {
+ spin_unlock(&next->d_lock);
+@@ -192,6 +195,17 @@ int dcache_readdir(struct file * filp, v
+ return 0;
+ }
+
++int dcache_readdir(struct file *filp, void *dirent, filldir_t filldir)
++{
++ return do_dcache_readdir_filter(filp, dirent, filldir, NULL);
++}
++
++int dcache_readdir_filter(struct file *filp, void *dirent, filldir_t filldir,
++ int (*filter)(struct dentry *))
++{
++ return do_dcache_readdir_filter(filp, dirent, filldir, filter);
++}
++
+ ssize_t generic_read_dir(struct file *filp, char __user *buf, size_t siz, loff_t *ppos)
+ {
+ return -EISDIR;
+@@ -983,6 +997,7 @@ EXPORT_SYMBOL(dcache_dir_close);
+ EXPORT_SYMBOL(dcache_dir_lseek);
+ EXPORT_SYMBOL(dcache_dir_open);
+ EXPORT_SYMBOL(dcache_readdir);
++EXPORT_SYMBOL(dcache_readdir_filter);
+ EXPORT_SYMBOL(generic_read_dir);
+ EXPORT_SYMBOL(mount_pseudo);
+ EXPORT_SYMBOL(simple_write_begin);
+diff -NurpP --minimal linux-3.7.10/fs/locks.c linux-3.7.10-vs2.3.5.6/fs/locks.c
+--- linux-3.7.10/fs/locks.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/locks.c 2012-12-18 15:13:16.000000000 +0000
+@@ -126,6 +126,8 @@
+ #include <linux/time.h>
+ #include <linux/rcupdate.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/uaccess.h>
+
+@@ -184,11 +186,17 @@ static void locks_init_lock_heads(struct
+ /* Allocate an empty lock structure. */
+ struct file_lock *locks_alloc_lock(void)
+ {
+- struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
++ struct file_lock *fl;
+
+- if (fl)
+- locks_init_lock_heads(fl);
++ if (!vx_locks_avail(1))
++ return NULL;
+
++ fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
++
++ if (fl) {
++ locks_init_lock_heads(fl);
++ fl->fl_xid = -1;
++ }
+ return fl;
+ }
+ EXPORT_SYMBOL_GPL(locks_alloc_lock);
+@@ -212,6 +220,7 @@ void locks_free_lock(struct file_lock *f
+ BUG_ON(!list_empty(&fl->fl_block));
+ BUG_ON(!list_empty(&fl->fl_link));
+
++ vx_locks_dec(fl);
+ locks_release_private(fl);
+ kmem_cache_free(filelock_cache, fl);
+ }
+@@ -221,6 +230,7 @@ void locks_init_lock(struct file_lock *f
+ {
+ memset(fl, 0, sizeof(struct file_lock));
+ locks_init_lock_heads(fl);
++ fl->fl_xid = -1;
+ }
+
+ EXPORT_SYMBOL(locks_init_lock);
+@@ -261,6 +271,7 @@ void locks_copy_lock(struct file_lock *n
+ new->fl_file = fl->fl_file;
+ new->fl_ops = fl->fl_ops;
+ new->fl_lmops = fl->fl_lmops;
++ new->fl_xid = fl->fl_xid;
+
+ locks_copy_private(new, fl);
+ }
+@@ -299,6 +310,11 @@ static int flock_make_lock(struct file *
+ fl->fl_flags = FL_FLOCK;
+ fl->fl_type = type;
+ fl->fl_end = OFFSET_MAX;
++
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ fl->fl_xid = filp->f_xid;
++ vx_locks_inc(fl);
+
+ *lock = fl;
+ return 0;
+@@ -438,6 +454,7 @@ static int lease_init(struct file *filp,
+
+ fl->fl_owner = current->files;
+ fl->fl_pid = current->tgid;
++ fl->fl_xid = vx_current_xid();
+
+ fl->fl_file = filp;
+ fl->fl_flags = FL_LEASE;
+@@ -457,6 +474,11 @@ static struct file_lock *lease_alloc(str
+ if (fl == NULL)
+ return ERR_PTR(error);
+
++ fl->fl_xid = vx_current_xid();
++ if (filp)
++ vxd_assert(filp->f_xid == fl->fl_xid,
++ "f_xid(%d) == fl_xid(%d)", filp->f_xid, fl->fl_xid);
++ vx_locks_inc(fl);
+ error = lease_init(filp, type, fl);
+ if (error) {
+ locks_free_lock(fl);
+@@ -753,6 +775,7 @@ static int flock_lock_file(struct file *
+ lock_flocks();
+ }
+
++ new_fl->fl_xid = -1;
+ find_conflict:
+ for_each_lock(inode, before) {
+ struct file_lock *fl = *before;
+@@ -773,6 +796,7 @@ find_conflict:
+ goto out;
+ locks_copy_lock(new_fl, request);
+ locks_insert_lock(before, new_fl);
++ vx_locks_inc(new_fl);
+ new_fl = NULL;
+ error = 0;
+
+@@ -783,7 +807,8 @@ out:
+ return error;
+ }
+
+-static int __posix_lock_file(struct inode *inode, struct file_lock *request, struct file_lock *conflock)
++static int __posix_lock_file(struct inode *inode, struct file_lock *request,
++ struct file_lock *conflock, xid_t xid)
+ {
+ struct file_lock *fl;
+ struct file_lock *new_fl = NULL;
+@@ -793,6 +818,8 @@ static int __posix_lock_file(struct inod
+ struct file_lock **before;
+ int error, added = 0;
+
++ vxd_assert(xid == vx_current_xid(),
++ "xid(%d) == current(%d)", xid, vx_current_xid());
+ /*
+ * We may need two file_lock structures for this operation,
+ * so we get them in advance to avoid races.
+@@ -803,7 +830,11 @@ static int __posix_lock_file(struct inod
+ (request->fl_type != F_UNLCK ||
+ request->fl_start != 0 || request->fl_end != OFFSET_MAX)) {
+ new_fl = locks_alloc_lock();
++ new_fl->fl_xid = xid;
++ vx_locks_inc(new_fl);
+ new_fl2 = locks_alloc_lock();
++ new_fl2->fl_xid = xid;
++ vx_locks_inc(new_fl2);
+ }
+
+ lock_flocks();
+@@ -1002,7 +1033,8 @@ static int __posix_lock_file(struct inod
+ int posix_lock_file(struct file *filp, struct file_lock *fl,
+ struct file_lock *conflock)
+ {
+- return __posix_lock_file(filp->f_path.dentry->d_inode, fl, conflock);
++ return __posix_lock_file(filp->f_path.dentry->d_inode,
++ fl, conflock, filp->f_xid);
+ }
+ EXPORT_SYMBOL(posix_lock_file);
+
+@@ -1092,7 +1124,7 @@ int locks_mandatory_area(int read_write,
+ fl.fl_end = offset + count - 1;
+
+ for (;;) {
+- error = __posix_lock_file(inode, &fl, NULL);
++ error = __posix_lock_file(inode, &fl, NULL, filp->f_xid);
+ if (error != FILE_LOCK_DEFERRED)
+ break;
+ error = wait_event_interruptible(fl.fl_wait, !fl.fl_next);
+@@ -1397,6 +1429,7 @@ int generic_add_lease(struct file *filp,
+ goto out;
+
+ locks_insert_lock(before, lease);
++ vx_locks_inc(lease);
+ return 0;
+
+ out:
+@@ -1836,6 +1869,11 @@ int fcntl_setlk(unsigned int fd, struct
+ if (file_lock == NULL)
+ return -ENOLCK;
+
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ file_lock->fl_xid = filp->f_xid;
++ vx_locks_inc(file_lock);
++
+ /*
+ * This might block, so we do it before checking the inode.
+ */
+@@ -1954,6 +1992,11 @@ int fcntl_setlk64(unsigned int fd, struc
+ if (file_lock == NULL)
+ return -ENOLCK;
+
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ file_lock->fl_xid = filp->f_xid;
++ vx_locks_inc(file_lock);
++
+ /*
+ * This might block, so we do it before checking the inode.
+ */
+@@ -2219,8 +2262,11 @@ static int locks_show(struct seq_file *f
+
+ lock_get_status(f, fl, *((loff_t *)f->private), "");
+
+- list_for_each_entry(bfl, &fl->fl_block, fl_block)
++ list_for_each_entry(bfl, &fl->fl_block, fl_block) {
++ if (!vx_check(fl->fl_xid, VS_WATCH_P | VS_IDENT))
++ continue;
+ lock_get_status(f, bfl, *((loff_t *)f->private), " ->");
++ }
+
+ return 0;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/mount.h linux-3.7.10-vs2.3.5.6/fs/mount.h
+--- linux-3.7.10/fs/mount.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/mount.h 2012-12-18 15:13:16.000000000 +0000
+@@ -46,6 +46,7 @@ struct mount {
+ int mnt_expiry_mark; /* true if marked for expiry */
+ int mnt_pinned;
+ int mnt_ghosts;
++ tag_t mnt_tag; /* tagging used for vfsmount */
+ };
+
+ #define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */
+diff -NurpP --minimal linux-3.7.10/fs/namei.c linux-3.7.10-vs2.3.5.6/fs/namei.c
+--- linux-3.7.10/fs/namei.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/namei.c 2012-12-18 15:13:16.000000000 +0000
+@@ -34,6 +34,14 @@
+ #include <linux/device_cgroup.h>
+ #include <linux/fs_struct.h>
+ #include <linux/posix_acl.h>
++#include <linux/proc_fs.h>
++#include <linux/vserver/inode.h>
++#include <linux/vs_base.h>
++#include <linux/vs_tag.h>
++#include <linux/vs_cowbl.h>
++#include <linux/vs_device.h>
++#include <linux/vs_context.h>
++#include <linux/pid_namespace.h>
+ #include <asm/uaccess.h>
+
+ #include "internal.h"
+@@ -266,6 +274,89 @@ static int check_acl(struct inode *inode
+ return -EAGAIN;
+ }
+
++static inline int dx_barrier(const struct inode *inode)
++{
++ if (IS_BARRIER(inode) && !vx_check(0, VS_ADMIN | VS_WATCH)) {
++ vxwprintk_task(1, "did hit the barrier.");
++ return 1;
++ }
++ return 0;
++}
++
++static int __dx_permission(const struct inode *inode, int mask)
++{
++ if (dx_barrier(inode))
++ return -EACCES;
++
++ if (inode->i_sb->s_magic == DEVPTS_SUPER_MAGIC) {
++ /* devpts is xid tagged */
++ if (S_ISDIR(inode->i_mode) ||
++ vx_check((xid_t)i_tag_read(inode), VS_IDENT | VS_WATCH_P))
++ return 0;
++
++ /* just pretend we didn't find anything */
++ return -ENOENT;
++ }
++ else if (inode->i_sb->s_magic == PROC_SUPER_MAGIC) {
++ struct proc_dir_entry *de = PDE(inode);
++
++ if (de && !vx_hide_check(0, de->vx_flags))
++ goto out;
++
++ if ((mask & (MAY_WRITE | MAY_APPEND))) {
++ struct pid *pid;
++ struct task_struct *tsk;
++
++ if (vx_check(0, VS_ADMIN | VS_WATCH_P) ||
++ vx_flags(VXF_STATE_SETUP, 0))
++ return 0;
++
++ pid = PROC_I(inode)->pid;
++ if (!pid)
++ goto out;
++
++ rcu_read_lock();
++ tsk = pid_task(pid, PIDTYPE_PID);
++ vxdprintk(VXD_CBIT(tag, 0), "accessing %p[#%u]",
++ tsk, (tsk ? vx_task_xid(tsk) : 0));
++ if (tsk &&
++ vx_check(vx_task_xid(tsk), VS_IDENT | VS_WATCH_P)) {
++ rcu_read_unlock();
++ return 0;
++ }
++ rcu_read_unlock();
++ }
++ else {
++ /* FIXME: Should we block some entries here? */
++ return 0;
++ }
++ }
++ else {
++ if (dx_notagcheck(inode->i_sb) ||
++ dx_check((xid_t)i_tag_read(inode),
++ DX_HOSTID | DX_ADMIN | DX_WATCH | DX_IDENT))
++ return 0;
++ }
++
++out:
++ return -EACCES;
++}
++
++int dx_permission(const struct inode *inode, int mask)
++{
++ int ret = __dx_permission(inode, mask);
++ if (unlikely(ret)) {
++#ifndef CONFIG_VSERVER_WARN_DEVPTS
++ if (inode->i_sb->s_magic != DEVPTS_SUPER_MAGIC)
++#endif
++ vxwprintk_task(1,
++ "denied [0x%x] access to inode %s:%p[#%d,%lu]",
++ mask, inode->i_sb->s_id, inode, inode->i_tag,
++ inode->i_ino);
++ }
++ return ret;
++}
++
+ /*
+ * This does the basic permission checking
+ */
+@@ -388,10 +479,14 @@ int __inode_permission(struct inode *ino
+ /*
+ * Nobody gets write access to an immutable file.
+ */
+- if (IS_IMMUTABLE(inode))
++ if (IS_IMMUTABLE(inode) && !IS_COW(inode))
+ return -EACCES;
+ }
+
++ retval = dx_permission(inode, mask);
++ if (retval)
++ return retval;
++
+ retval = do_inode_permission(inode, mask);
+ if (retval)
+ return retval;
+@@ -1244,7 +1339,8 @@ static void follow_dotdot(struct nameida
+
+ if (nd->path.dentry == nd->root.dentry &&
+ nd->path.mnt == nd->root.mnt) {
+- break;
++ /* for sane '/' avoid follow_mount() */
++ return;
+ }
+ if (nd->path.dentry != nd->path.mnt->mnt_root) {
+ /* rare case of legitimate dget_parent()... */
+@@ -1393,6 +1489,9 @@ static int lookup_fast(struct nameidata
+ goto unlazy;
+ }
+ }
++
++ /* FIXME: check dx permission */
++
+ path->mnt = mnt;
+ path->dentry = dentry;
+ if (unlikely(!__follow_mount_rcu(nd, path, inode)))
+@@ -1428,6 +1527,8 @@ unlazy:
+ }
+ }
+
++ /* FIXME: check dx permission */
++
+ path->mnt = mnt;
+ path->dentry = dentry;
+ err = follow_managed(path, nd->flags);
+@@ -2258,7 +2359,7 @@ static int may_delete(struct inode *dir,
+ if (IS_APPEND(dir))
+ return -EPERM;
+ if (check_sticky(dir, victim->d_inode)||IS_APPEND(victim->d_inode)||
+- IS_IMMUTABLE(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
++ IS_IXORUNLINK(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
+ return -EPERM;
+ if (isdir) {
+ if (!S_ISDIR(victim->d_inode->i_mode))
+@@ -2337,19 +2438,25 @@ int vfs_create(struct inode *dir, struct
+ bool want_excl)
+ {
+ int error = may_create(dir, dentry);
+- if (error)
++ if (error) {
++ vxdprintk(VXD_CBIT(misc, 3), "may_create failed with %d", error);
+ return error;
++ }
+
+ if (!dir->i_op->create)
+ return -EACCES; /* shouldn't it be ENOSYS? */
+ mode &= S_IALLUGO;
+ mode |= S_IFREG;
+ error = security_inode_create(dir, dentry, mode);
+- if (error)
++ if (error) {
++ vxdprintk(VXD_CBIT(misc, 3), "security_inode_create failed with %d", error);
+ return error;
++ }
+ error = dir->i_op->create(dir, dentry, mode, want_excl);
+ if (!error)
+ fsnotify_create(dir, dentry);
++ else
++ vxdprintk(VXD_CBIT(misc, 3), "i_op->create failed with %d", error);
+ return error;
+ }
+
+@@ -2384,6 +2491,15 @@ static int may_open(struct path *path, i
+ break;
+ }
+
++#ifdef CONFIG_VSERVER_COWBL
++ if (IS_COW(inode) &&
++ ((flag & O_ACCMODE) != O_RDONLY)) {
++ if (IS_COW_LINK(inode))
++ return -EMLINK;
++ inode->i_flags &= ~(S_IXUNLINK|S_IMMUTABLE);
++ mark_inode_dirty(inode);
++ }
++#endif
+ error = inode_permission(inode, acc_mode);
+ if (error)
+ return error;
+@@ -2886,6 +3002,16 @@ finish_open:
+ }
+ finish_open_created:
+ error = may_open(&nd->path, acc_mode, open_flag);
++#ifdef CONFIG_VSERVER_COWBL
++ if (error == -EMLINK) {
++ struct dentry *dentry;
++ dentry = cow_break_link(name->name);
++ if (IS_ERR(dentry))
++ error = PTR_ERR(dentry);
++ else
++ dput(dentry);
++ }
++#endif
+ if (error)
+ goto out;
+ file->f_path.mnt = nd->path.mnt;
+@@ -2950,6 +3076,7 @@ static struct file *path_openat(int dfd,
+ int opened = 0;
+ int error;
+
++restart:
+ file = get_empty_filp();
+ if (!file)
+ return ERR_PTR(-ENFILE);
+@@ -2986,6 +3113,16 @@ static struct file *path_openat(int dfd,
+ error = do_last(nd, &path, file, op, &opened, pathname);
+ put_link(nd, &link, cookie);
+ }
++
++#ifdef CONFIG_VSERVER_COWBL
++ if (error == -EMLINK) {
++ if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT))
++ path_put(&nd->root);
++ if (base)
++ fput(base);
++ goto restart;
++ }
++#endif
+ out:
+ if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT))
+ path_put(&nd->root);
+@@ -3090,6 +3227,11 @@ struct dentry *kern_path_create(int dfd,
+ goto fail;
+ }
+ *path = nd.path;
++ vxdprintk(VXD_CBIT(misc, 3), "kern_path_create path.dentry = %p (%.*s), dentry = %p (%.*s), d_inode = %p",
++ path->dentry, path->dentry->d_name.len,
++ path->dentry->d_name.name, dentry,
++ dentry->d_name.len, dentry->d_name.name,
++ path->dentry->d_inode);
+ return dentry;
+ fail:
+ dput(dentry);
+@@ -3556,7 +3698,7 @@ int vfs_link(struct dentry *old_dentry,
+ /*
+ * A link to an append-only or immutable file cannot be created.
+ */
+- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
++ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
+ return -EPERM;
+ if (!dir->i_op->link)
+ return -EPERM;
+@@ -3945,6 +4087,275 @@ int vfs_follow_link(struct nameidata *nd
+ return __vfs_follow_link(nd, link);
+ }
+
++
++#ifdef CONFIG_VSERVER_COWBL
++
++static inline
++long do_cow_splice(struct file *in, struct file *out, size_t len)
++{
++ loff_t ppos = 0;
++
++ return do_splice_direct(in, &ppos, out, len, 0);
++}
++
++struct dentry *cow_break_link(const char *pathname)
++{
++ int ret, mode, pathlen, redo = 0;
++ struct nameidata old_nd, dir_nd;
++ struct path dir_path, *old_path, *new_path;
++ struct dentry *dir, *old_dentry, *new_dentry = NULL;
++ struct file *old_file;
++ struct file *new_file;
++ char *to, *path, pad='\251';
++ loff_t size;
++
++ vxdprintk(VXD_CBIT(misc, 1),
++ "cow_break_link(" VS_Q("%s") ")", pathname);
++
++ path = kmalloc(PATH_MAX, GFP_KERNEL);
++ ret = -ENOMEM;
++ if (!path)
++ goto out;
++
++ /* old_nd.path will have refs to dentry and mnt */
++ ret = do_path_lookup(AT_FDCWD, pathname, LOOKUP_FOLLOW, &old_nd);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "do_path_lookup(old): %d", ret);
++ if (ret < 0)
++ goto out_free_path;
++
++ /* dentry/mnt refs handed over to old_path */
++ old_path = &old_nd.path;
++ /* no explicit reference for old_dentry here */
++ old_dentry = old_path->dentry;
++
++ mode = old_dentry->d_inode->i_mode;
++ to = d_path(old_path, path, PATH_MAX-2);
++ pathlen = strlen(to);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "old path " VS_Q("%s") " [%p:" VS_Q("%.*s") ":%d]", to,
++ old_dentry,
++ old_dentry->d_name.len, old_dentry->d_name.name,
++ old_dentry->d_name.len);
++
++ to[pathlen + 1] = 0;
++retry:
++ new_dentry = NULL;
++ to[pathlen] = pad--;
++ ret = -ELOOP;
++ if (pad <= '\240')
++ goto out_rel_old;
++
++ vxdprintk(VXD_CBIT(misc, 1), "temp copy " VS_Q("%s"), to);
++
++ /* dir_nd.path will have refs to dentry and mnt */
++ ret = do_path_lookup(AT_FDCWD, to,
++ LOOKUP_PARENT | LOOKUP_OPEN | LOOKUP_CREATE, &dir_nd);
++ vxdprintk(VXD_CBIT(misc, 2), "do_path_lookup(new): %d", ret);
++ if (ret < 0)
++ goto retry;
++
++ /* this puppy downs the dir inode mutex if successful.
++ dir_path will hold refs to dentry and mnt and
++ we'll have get write access to the mnt */
++ new_dentry = kern_path_create(AT_FDCWD, to, &dir_path, 0);
++ if (!new_dentry || IS_ERR(new_dentry)) {
++ path_put(&dir_nd.path);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "kern_path_create(new) failed with %ld",
++ PTR_ERR(new_dentry));
++ goto retry;
++ }
++ vxdprintk(VXD_CBIT(misc, 2),
++ "kern_path_create(new): %p [" VS_Q("%.*s") ":%d]",
++ new_dentry,
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len);
++
++ /* take a reference on new_dentry */
++ dget(new_dentry);
++
++ /* dentry/mnt refs handed over to new_path */
++ new_path = &dir_path;
++
++ /* dentry for old/new dir */
++ dir = dir_nd.path.dentry;
++
++ /* give up reference on dir */
++ dput(new_path->dentry);
++
++ /* new_dentry already has a reference */
++ new_path->dentry = new_dentry;
++
++ ret = vfs_create(dir->d_inode, new_dentry, mode, 1);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "vfs_create(new): %d", ret);
++ if (ret == -EEXIST) {
++ mutex_unlock(&dir->d_inode->i_mutex);
++ path_put(&dir_nd.path);
++ mnt_drop_write(new_path->mnt);
++ path_put(new_path);
++ new_dentry = NULL;
++ goto retry;
++ }
++ else if (ret < 0)
++ goto out_unlock_new;
++
++ /* drop out early, ret passes ENOENT */
++ ret = -ENOENT;
++ if ((redo = d_unhashed(old_dentry)))
++ goto out_unlock_new;
++
++ /* doesn't change refs for old_path */
++ old_file = dentry_open(old_path, O_RDONLY, current_cred());
++ vxdprintk(VXD_CBIT(misc, 2),
++ "dentry_open(old): %p", old_file);
++ if (IS_ERR(old_file)) {
++ ret = PTR_ERR(old_file);
++ goto out_unlock_new;
++ }
++
++ /* doesn't change refs for new_path */
++ new_file = dentry_open(new_path, O_WRONLY, current_cred());
++ vxdprintk(VXD_CBIT(misc, 2),
++ "dentry_open(new): %p", new_file);
++ if (IS_ERR(new_file)) {
++ ret = PTR_ERR(new_file);
++ goto out_fput_old;
++ }
++
++ size = i_size_read(old_file->f_dentry->d_inode);
++ ret = do_cow_splice(old_file, new_file, size);
++ vxdprintk(VXD_CBIT(misc, 2), "do_splice_direct: %d", ret);
++ if (ret < 0) {
++ goto out_fput_both;
++ } else if (ret < size) {
++ ret = -ENOSPC;
++ goto out_fput_both;
++ } else {
++ struct inode *old_inode = old_dentry->d_inode;
++ struct inode *new_inode = new_dentry->d_inode;
++ struct iattr attr = {
++ .ia_uid = old_inode->i_uid,
++ .ia_gid = old_inode->i_gid,
++ .ia_valid = ATTR_UID | ATTR_GID
++ };
++
++ setattr_copy(new_inode, &attr);
++ mark_inode_dirty(new_inode);
++ }
++
++ /* lock rename mutex */
++ mutex_lock(&old_dentry->d_inode->i_sb->s_vfs_rename_mutex);
++
++ /* drop out late */
++ ret = -ENOENT;
++ if ((redo = d_unhashed(old_dentry)))
++ goto out_unlock;
++
++ vxdprintk(VXD_CBIT(misc, 2),
++ "vfs_rename: [" VS_Q("%*s") ":%d] -> [" VS_Q("%*s") ":%d]",
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len,
++ old_dentry->d_name.len, old_dentry->d_name.name,
++ old_dentry->d_name.len);
++ ret = vfs_rename(dir_nd.path.dentry->d_inode, new_dentry,
++ old_dentry->d_parent->d_inode, old_dentry);
++ vxdprintk(VXD_CBIT(misc, 2), "vfs_rename: %d", ret);
++
++out_unlock:
++ mutex_unlock(&old_dentry->d_inode->i_sb->s_vfs_rename_mutex);
++
++out_fput_both:
++ vxdprintk(VXD_CBIT(misc, 3),
++ "fput(new_file=%p[#%ld])", new_file,
++ atomic_long_read(&new_file->f_count));
++ fput(new_file);
++
++out_fput_old:
++ vxdprintk(VXD_CBIT(misc, 3),
++ "fput(old_file=%p[#%ld])", old_file,
++ atomic_long_read(&old_file->f_count));
++ fput(old_file);
++
++out_unlock_new:
++ /* drop references from dir_nd.path */
++ path_put(&dir_nd.path);
++
++ /* drop write access to mnt */
++ mnt_drop_write(new_path->mnt);
++
++ /* unlock the inode mutex from kern_path_create() */
++ mutex_unlock(&dir->d_inode->i_mutex);
++ if (!ret)
++ goto out_redo;
++
++ /* error path cleanup */
++ vfs_unlink(dir->d_inode, new_dentry);
++
++out_redo:
++ if (!redo)
++ goto out_rel_both;
++
++ /* lookup dentry once again
++ old_nd.path will be freed as old_path in out_rel_old */
++ ret = do_path_lookup(AT_FDCWD, pathname, LOOKUP_FOLLOW, &old_nd);
++ if (ret)
++ goto out_rel_both;
++
++ /* drop reference on new_dentry */
++ dput(new_dentry);
++ new_dentry = old_path->dentry;
++ dget(new_dentry);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "do_path_lookup(redo): %p [" VS_Q("%.*s") ":%d]",
++ new_dentry,
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len);
++
++out_rel_both:
++ if (new_path)
++ path_put(new_path);
++out_rel_old:
++ path_put(old_path);
++out_free_path:
++ kfree(path);
++out:
++ if (ret) {
++ dput(new_dentry);
++ new_dentry = ERR_PTR(ret);
++ }
++ vxdprintk(VXD_CBIT(misc, 3),
++ "cow_break_link returning with %p", new_dentry);
++ return new_dentry;
++}
++
++#endif
++
++int vx_info_mnt_namespace(struct mnt_namespace *ns, char *buffer)
++{
++ struct path path;
++ struct vfsmount *vmnt;
++ char *pstr, *root;
++ int length = 0;
++
++ pstr = kmalloc(PATH_MAX, GFP_KERNEL);
++ if (!pstr)
++ return 0;
++
++ vmnt = &ns->root->mnt;
++ path.mnt = vmnt;
++ path.dentry = vmnt->mnt_root;
++ root = d_path(&path, pstr, PATH_MAX - 2);
++ length = sprintf(buffer + length,
++ "Namespace:\t%p [#%u]\n"
++ "RootPath:\t%s\n",
++ ns, atomic_read(&ns->count),
++ root);
++ kfree(pstr);
++ return length;
++}
++
+ /* get the link contents into pagecache */
+ static char *page_getlink(struct dentry * dentry, struct page **ppage)
+ {
+@@ -4068,3 +4479,4 @@ EXPORT_SYMBOL(vfs_symlink);
+ EXPORT_SYMBOL(vfs_unlink);
+ EXPORT_SYMBOL(dentry_unhash);
+ EXPORT_SYMBOL(generic_readlink);
++EXPORT_SYMBOL(vx_info_mnt_namespace);
+diff -NurpP --minimal linux-3.7.10/fs/namespace.c linux-3.7.10-vs2.3.5.6/fs/namespace.c
+--- linux-3.7.10/fs/namespace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/namespace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -20,6 +20,11 @@
+ #include <linux/fs_struct.h> /* get_fs_root et.al. */
+ #include <linux/fsnotify.h> /* fsnotify_vfsmount_delete */
+ #include <linux/uaccess.h>
++#include <linux/vs_base.h>
++#include <linux/vs_context.h>
++#include <linux/vs_tag.h>
++#include <linux/vserver/space.h>
++#include <linux/vserver/global.h>
+ #include "pnode.h"
+ #include "internal.h"
+
+@@ -749,6 +754,10 @@ vfs_kern_mount(struct file_system_type *
+ if (!type)
+ return ERR_PTR(-ENODEV);
+
++ if ((type->fs_flags & FS_BINARY_MOUNTDATA) &&
++ !vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT))
++ return ERR_PTR(-EPERM);
++
+ mnt = alloc_vfsmnt(name);
+ if (!mnt)
+ return ERR_PTR(-ENOMEM);
+@@ -801,6 +810,7 @@ static struct mount *clone_mnt(struct mo
+ mnt->mnt.mnt_root = dget(root);
+ mnt->mnt_mountpoint = mnt->mnt.mnt_root;
+ mnt->mnt_parent = mnt;
++ mnt->mnt_tag = old->mnt_tag;
+ br_write_lock(&vfsmount_lock);
+ list_add_tail(&mnt->mnt_instance, &sb->s_mounts);
+ br_write_unlock(&vfsmount_lock);
+@@ -1266,7 +1276,7 @@ SYSCALL_DEFINE2(umount, char __user *, n
+ goto dput_and_out;
+
+ retval = -EPERM;
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ goto dput_and_out;
+
+ retval = do_umount(mnt, flags);
+@@ -1292,7 +1302,7 @@ SYSCALL_DEFINE1(oldumount, char __user *
+
+ static int mount_is_safe(struct path *path)
+ {
+- if (capable(CAP_SYS_ADMIN))
++ if (vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return 0;
+ return -EPERM;
+ #ifdef notyet
+@@ -1610,7 +1620,7 @@ static int do_change_type(struct path *p
+ int type;
+ int err = 0;
+
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_NAMESPACE))
+ return -EPERM;
+
+ if (path->dentry != path->mnt->mnt_root)
+@@ -1626,6 +1636,7 @@ static int do_change_type(struct path *p
+ if (err)
+ goto out_unlock;
+ }
++ // mnt->mnt_flags = mnt_flags;
+
+ br_write_lock(&vfsmount_lock);
+ for (m = mnt; m; m = (recurse ? next_mnt(m, mnt) : NULL))
+@@ -1641,12 +1652,14 @@ static int do_change_type(struct path *p
+ * do loopback mount.
+ */
+ static int do_loopback(struct path *path, const char *old_name,
+- int recurse)
++ tag_t tag, unsigned long flags, int mnt_flags)
+ {
+ LIST_HEAD(umount_list);
+ struct path old_path;
+ struct mount *mnt = NULL, *old;
+ int err = mount_is_safe(path);
++ int recurse = flags & MS_REC;
++
+ if (err)
+ return err;
+ if (!old_name || !*old_name)
+@@ -1715,13 +1728,13 @@ static int change_mount_flags(struct vfs
+ * on it - tough luck.
+ */
+ static int do_remount(struct path *path, int flags, int mnt_flags,
+- void *data)
++ void *data, xid_t xid)
+ {
+ int err;
+ struct super_block *sb = path->mnt->mnt_sb;
+ struct mount *mnt = real_mount(path->mnt);
+
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_REMOUNT))
+ return -EPERM;
+
+ if (!check_mnt(mnt))
+@@ -1770,7 +1783,7 @@ static int do_move_mount(struct path *pa
+ struct mount *p;
+ struct mount *old;
+ int err = 0;
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return -EPERM;
+ if (!old_name || !*old_name)
+ return -EINVAL;
+@@ -1927,7 +1940,7 @@ static int do_new_mount(struct path *pat
+ return -EINVAL;
+
+ /* we need capabilities... */
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return -EPERM;
+
+ mnt = do_kern_mount(type, flags, name, data);
+@@ -2197,6 +2210,7 @@ long do_mount(const char *dev_name, cons
+ struct path path;
+ int retval = 0;
+ int mnt_flags = 0;
++ tag_t tag = 0;
+
+ /* Discard magic */
+ if ((flags & MS_MGC_MSK) == MS_MGC_VAL)
+@@ -2224,6 +2238,12 @@ long do_mount(const char *dev_name, cons
+ if (!(flags & MS_NOATIME))
+ mnt_flags |= MNT_RELATIME;
+
++ if (dx_parse_tag(data_page, &tag, 1, &mnt_flags, &flags)) {
++ /* FIXME: bind and re-mounts get the tag flag? */
++ if (flags & (MS_BIND|MS_REMOUNT))
++ flags |= MS_TAGID;
++ }
++
+ /* Separate the per-mountpoint flags */
+ if (flags & MS_NOSUID)
+ mnt_flags |= MNT_NOSUID;
+@@ -2240,15 +2260,17 @@ long do_mount(const char *dev_name, cons
+ if (flags & MS_RDONLY)
+ mnt_flags |= MNT_READONLY;
+
++ if (!capable(CAP_SYS_ADMIN))
++ mnt_flags |= MNT_NODEV;
+ flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | MS_BORN |
+ MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
+ MS_STRICTATIME);
+
+ if (flags & MS_REMOUNT)
+ retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
+- data_page);
++ data_page, tag);
+ else if (flags & MS_BIND)
+- retval = do_loopback(&path, dev_name, flags & MS_REC);
++ retval = do_loopback(&path, dev_name, tag, flags, mnt_flags);
+ else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
+ retval = do_change_type(&path, flags);
+ else if (flags & MS_MOVE)
+@@ -2329,6 +2351,7 @@ static struct mnt_namespace *dup_mnt_ns(
+ q = next_mnt(q, new);
+ }
+ up_write(&namespace_sem);
++ atomic_inc(&vs_global_mnt_ns);
+
+ if (rootmnt)
+ mntput(rootmnt);
+@@ -2524,9 +2547,10 @@ SYSCALL_DEFINE2(pivot_root, const char _
+ error = -EINVAL;
+ new_mnt = real_mount(new.mnt);
+ root_mnt = real_mount(root.mnt);
+- if (IS_MNT_SHARED(real_mount(old.mnt)) ||
++ if ((IS_MNT_SHARED(real_mount(old.mnt)) ||
+ IS_MNT_SHARED(new_mnt->mnt_parent) ||
+- IS_MNT_SHARED(root_mnt->mnt_parent))
++ IS_MNT_SHARED(root_mnt->mnt_parent)) &&
++ !vx_flags(VXF_STATE_SETUP, 0))
+ goto out4;
+ if (!check_mnt(root_mnt) || !check_mnt(new_mnt))
+ goto out4;
+@@ -2647,6 +2671,7 @@ void put_mnt_ns(struct mnt_namespace *ns
+ br_write_unlock(&vfsmount_lock);
+ up_write(&namespace_sem);
+ release_mounts(&umount_list);
++ atomic_dec(&vs_global_mnt_ns);
+ kfree(ns);
+ }
+
+diff -NurpP --minimal linux-3.7.10/fs/nfs/client.c linux-3.7.10-vs2.3.5.6/fs/nfs/client.c
+--- linux-3.7.10/fs/nfs/client.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfs/client.c 2013-01-16 00:19:03.000000000 +0000
+@@ -683,6 +683,9 @@ int nfs_init_server_rpcclient(struct nfs
+ if (server->flags & NFS_MOUNT_SOFT)
+ server->client->cl_softrtry = 1;
+
++ server->client->cl_tag = 0;
++ if (server->flags & NFS_MOUNT_TAGGED)
++ server->client->cl_tag = 1;
+ return 0;
+ }
+ EXPORT_SYMBOL_GPL(nfs_init_server_rpcclient);
+@@ -862,6 +865,10 @@ static void nfs_server_set_fsinfo(struct
+ server->acdirmin = server->acdirmax = 0;
+ }
+
++ /* FIXME: needs fsinfo
++ if (server->flags & NFS_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED; */
++
+ server->maxfilesize = fsinfo->maxfilesize;
+
+ server->time_delta = fsinfo->time_delta;
+diff -NurpP --minimal linux-3.7.10/fs/nfs/dir.c linux-3.7.10-vs2.3.5.6/fs/nfs/dir.c
+--- linux-3.7.10/fs/nfs/dir.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfs/dir.c 2013-01-16 00:19:03.000000000 +0000
+@@ -36,6 +36,7 @@
+ #include <linux/sched.h>
+ #include <linux/kmemleak.h>
+ #include <linux/xattr.h>
++#include <linux/vs_tag.h>
+
+ #include "delegation.h"
+ #include "iostat.h"
+@@ -1255,6 +1256,7 @@ struct dentry *nfs_lookup(struct inode *
+ /* Success: notify readdir to use READDIRPLUS */
+ nfs_advise_use_readdirplus(dir);
+
++ dx_propagate_tag(nd, inode);
+ no_entry:
+ res = d_materialise_unique(dentry, inode);
+ if (res != NULL) {
+diff -NurpP --minimal linux-3.7.10/fs/nfs/inode.c linux-3.7.10-vs2.3.5.6/fs/nfs/inode.c
+--- linux-3.7.10/fs/nfs/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfs/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -39,6 +39,7 @@
+ #include <linux/compat.h>
+ #include <linux/freezer.h>
+ #include <linux/crc32.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/uaccess.h>
+
+@@ -279,6 +280,8 @@ nfs_fhget(struct super_block *sb, struct
+ if (inode->i_state & I_NEW) {
+ struct nfs_inode *nfsi = NFS_I(inode);
+ unsigned long now = jiffies;
++ uid_t uid;
++ gid_t gid;
+
+ /* We set i_ino for the few things that still rely on it,
+ * such as stat(2) */
+@@ -323,8 +326,8 @@ nfs_fhget(struct super_block *sb, struct
+ inode->i_version = 0;
+ inode->i_size = 0;
+ clear_nlink(inode);
+- inode->i_uid = -2;
+- inode->i_gid = -2;
++ uid = -2;
++ gid = -2;
+ inode->i_blocks = 0;
+ memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
+ nfsi->write_io = 0;
+@@ -358,11 +361,11 @@ nfs_fhget(struct super_block *sb, struct
+ else if (nfs_server_capable(inode, NFS_CAP_NLINK))
+ nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
+ if (fattr->valid & NFS_ATTR_FATTR_OWNER)
+- inode->i_uid = fattr->uid;
++ uid = fattr->uid;
+ else if (nfs_server_capable(inode, NFS_CAP_OWNER))
+ nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
+ if (fattr->valid & NFS_ATTR_FATTR_GROUP)
+- inode->i_gid = fattr->gid;
++ gid = fattr->gid;
+ else if (nfs_server_capable(inode, NFS_CAP_OWNER_GROUP))
+ nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
+ if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
+@@ -373,6 +376,11 @@ nfs_fhget(struct super_block *sb, struct
+ */
+ inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
+ }
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid, 0);
++ /* maybe fattr->xid someday */
++
+ nfsi->attrtimeo = NFS_MINATTRTIMEO(inode);
+ nfsi->attrtimeo_timestamp = now;
+ nfsi->access_cache = RB_ROOT;
+@@ -494,6 +502,8 @@ void nfs_setattr_update_inode(struct ino
+ inode->i_uid = attr->ia_uid;
+ if ((attr->ia_valid & ATTR_GID) != 0)
+ inode->i_gid = attr->ia_gid;
++ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+ spin_unlock(&inode->i_lock);
+ }
+@@ -968,6 +978,9 @@ static int nfs_check_inode_attributes(st
+ struct nfs_inode *nfsi = NFS_I(inode);
+ loff_t cur_size, new_isize;
+ unsigned long invalid = 0;
++ uid_t uid;
++ gid_t gid;
++ tag_t tag;
+
+
+ if (nfs_have_delegated_attributes(inode))
+@@ -993,13 +1006,18 @@ static int nfs_check_inode_attributes(st
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
+ }
+
++ uid = INOTAG_UID(DX_TAG(inode), fattr->uid, fattr->gid);
++ gid = INOTAG_GID(DX_TAG(inode), fattr->uid, fattr->gid);
++ tag = INOTAG_TAG(DX_TAG(inode), fattr->uid, fattr->gid, 0);
++
+ /* Have any file permissions changed? */
+ if ((fattr->valid & NFS_ATTR_FATTR_MODE) && (inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO))
+ invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
+- if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && inode->i_uid != fattr->uid)
++ if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && uid != fattr->uid)
+ invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
+- if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && inode->i_gid != fattr->gid)
++ if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && gid != fattr->gid)
+ invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
++ /* maybe check for tag too? */
+
+ /* Has the link count changed? */
+ if ((fattr->valid & NFS_ATTR_FATTR_NLINK) && inode->i_nlink != fattr->nlink)
+@@ -1303,6 +1321,9 @@ static int nfs_update_inode(struct inode
+ unsigned long invalid = 0;
+ unsigned long now = jiffies;
+ unsigned long save_cache_validity;
++ uid_t uid;
++ gid_t gid;
++ tag_t tag;
+
+ dfprintk(VFS, "NFS: %s(%s/%ld fh_crc=0x%08x ct=%d info=0x%x)\n",
+ __func__, inode->i_sb->s_id, inode->i_ino,
+@@ -1404,6 +1425,9 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_REVAL_PAGECACHE
+ | NFS_INO_REVAL_FORCED);
+
++ uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
++ gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
++ tag = inode->i_tag;
+
+ if (fattr->valid & NFS_ATTR_FATTR_ATIME)
+ memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
+@@ -1425,9 +1449,9 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_REVAL_FORCED);
+
+ if (fattr->valid & NFS_ATTR_FATTR_OWNER) {
+- if (inode->i_uid != fattr->uid) {
++ if (uid != fattr->uid) {
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+- inode->i_uid = fattr->uid;
++ uid = fattr->uid;
+ }
+ } else if (server->caps & NFS_CAP_OWNER)
+ invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
+@@ -1436,9 +1460,9 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_REVAL_FORCED);
+
+ if (fattr->valid & NFS_ATTR_FATTR_GROUP) {
+- if (inode->i_gid != fattr->gid) {
++ if (gid != fattr->gid) {
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+- inode->i_gid = fattr->gid;
++ gid = fattr->gid;
+ }
+ } else if (server->caps & NFS_CAP_OWNER_GROUP)
+ invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
+@@ -1446,6 +1470,10 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_INVALID_ACL
+ | NFS_INO_REVAL_FORCED);
+
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid, tag);
++
+ if (fattr->valid & NFS_ATTR_FATTR_NLINK) {
+ if (inode->i_nlink != fattr->nlink) {
+ invalid |= NFS_INO_INVALID_ATTR;
+diff -NurpP --minimal linux-3.7.10/fs/nfs/nfs3xdr.c linux-3.7.10-vs2.3.5.6/fs/nfs/nfs3xdr.c
+--- linux-3.7.10/fs/nfs/nfs3xdr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfs/nfs3xdr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -20,6 +20,7 @@
+ #include <linux/nfs3.h>
+ #include <linux/nfs_fs.h>
+ #include <linux/nfsacl.h>
++#include <linux/vs_tag.h>
+ #include "internal.h"
+
+ #define NFSDBG_FACILITY NFSDBG_XDR
+@@ -560,7 +561,8 @@ static __be32 *xdr_decode_nfstime3(__be3
+ * set_mtime mtime;
+ * };
+ */
+-static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
++static void encode_sattr3(struct xdr_stream *xdr,
++ const struct iattr *attr, int tag)
+ {
+ u32 nbytes;
+ __be32 *p;
+@@ -592,15 +594,19 @@ static void encode_sattr3(struct xdr_str
+ } else
+ *p++ = xdr_zero;
+
+- if (attr->ia_valid & ATTR_UID) {
++ if (attr->ia_valid & ATTR_UID ||
++ (tag && (attr->ia_valid & ATTR_TAG))) {
+ *p++ = xdr_one;
+- *p++ = cpu_to_be32(attr->ia_uid);
++ *p++ = cpu_to_be32(TAGINO_UID(tag,
++ attr->ia_uid, attr->ia_tag));
+ } else
+ *p++ = xdr_zero;
+
+- if (attr->ia_valid & ATTR_GID) {
++ if (attr->ia_valid & ATTR_GID ||
++ (tag && (attr->ia_valid & ATTR_TAG))) {
+ *p++ = xdr_one;
+- *p++ = cpu_to_be32(attr->ia_gid);
++ *p++ = cpu_to_be32(TAGINO_GID(tag,
++ attr->ia_gid, attr->ia_tag));
+ } else
+ *p++ = xdr_zero;
+
+@@ -879,7 +885,7 @@ static void nfs3_xdr_enc_setattr3args(st
+ const struct nfs3_sattrargs *args)
+ {
+ encode_nfs_fh3(xdr, args->fh);
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, req->rq_task->tk_client->cl_tag);
+ encode_sattrguard3(xdr, args);
+ }
+
+@@ -1029,13 +1035,13 @@ static void nfs3_xdr_enc_write3args(stru
+ * };
+ */
+ static void encode_createhow3(struct xdr_stream *xdr,
+- const struct nfs3_createargs *args)
++ const struct nfs3_createargs *args, int tag)
+ {
+ encode_uint32(xdr, args->createmode);
+ switch (args->createmode) {
+ case NFS3_CREATE_UNCHECKED:
+ case NFS3_CREATE_GUARDED:
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ break;
+ case NFS3_CREATE_EXCLUSIVE:
+ encode_createverf3(xdr, args->verifier);
+@@ -1050,7 +1056,7 @@ static void nfs3_xdr_enc_create3args(str
+ const struct nfs3_createargs *args)
+ {
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_createhow3(xdr, args);
++ encode_createhow3(xdr, args, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+@@ -1066,7 +1072,7 @@ static void nfs3_xdr_enc_mkdir3args(stru
+ const struct nfs3_mkdirargs *args)
+ {
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+@@ -1083,9 +1089,9 @@ static void nfs3_xdr_enc_mkdir3args(stru
+ * };
+ */
+ static void encode_symlinkdata3(struct xdr_stream *xdr,
+- const struct nfs3_symlinkargs *args)
++ const struct nfs3_symlinkargs *args, int tag)
+ {
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ encode_nfspath3(xdr, args->pages, args->pathlen);
+ }
+
+@@ -1094,7 +1100,7 @@ static void nfs3_xdr_enc_symlink3args(st
+ const struct nfs3_symlinkargs *args)
+ {
+ encode_diropargs3(xdr, args->fromfh, args->fromname, args->fromlen);
+- encode_symlinkdata3(xdr, args);
++ encode_symlinkdata3(xdr, args, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+@@ -1122,24 +1128,24 @@ static void nfs3_xdr_enc_symlink3args(st
+ * };
+ */
+ static void encode_devicedata3(struct xdr_stream *xdr,
+- const struct nfs3_mknodargs *args)
++ const struct nfs3_mknodargs *args, int tag)
+ {
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ encode_specdata3(xdr, args->rdev);
+ }
+
+ static void encode_mknoddata3(struct xdr_stream *xdr,
+- const struct nfs3_mknodargs *args)
++ const struct nfs3_mknodargs *args, int tag)
+ {
+ encode_ftype3(xdr, args->type);
+ switch (args->type) {
+ case NF3CHR:
+ case NF3BLK:
+- encode_devicedata3(xdr, args);
++ encode_devicedata3(xdr, args, tag);
+ break;
+ case NF3SOCK:
+ case NF3FIFO:
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ break;
+ case NF3REG:
+ case NF3DIR:
+@@ -1154,7 +1160,7 @@ static void nfs3_xdr_enc_mknod3args(stru
+ const struct nfs3_mknodargs *args)
+ {
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_mknoddata3(xdr, args);
++ encode_mknoddata3(xdr, args, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+diff -NurpP --minimal linux-3.7.10/fs/nfs/super.c linux-3.7.10-vs2.3.5.6/fs/nfs/super.c
+--- linux-3.7.10/fs/nfs/super.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfs/super.c 2013-02-05 01:14:43.000000000 +0000
+@@ -55,6 +55,7 @@
+ #include <linux/nsproxy.h>
+ #include <linux/rcupdate.h>
+ #include <linux/kthread.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/uaccess.h>
+
+@@ -102,6 +103,7 @@ enum {
+ Opt_mountport,
+ Opt_mountvers,
+ Opt_minorversion,
++ Opt_tagid,
+
+ /* Mount options that take string arguments */
+ Opt_nfsvers,
+@@ -114,6 +116,9 @@ enum {
+ /* Special mount options */
+ Opt_userspace, Opt_deprecated, Opt_sloppy,
+
++ /* Linux-VServer tagging options */
++ Opt_tag, Opt_notag,
++
+ Opt_err
+ };
+
+@@ -183,6 +188,10 @@ static const match_table_t nfs_mount_opt
+ { Opt_fscache_uniq, "fsc=%s" },
+ { Opt_local_lock, "local_lock=%s" },
+
++ { Opt_tag, "tag" },
++ { Opt_notag, "notag" },
++ { Opt_tagid, "tagid=%u" },
++
+ /* The following needs to be listed after all other options */
+ { Opt_nfsvers, "v%s" },
+
+@@ -678,6 +687,7 @@ static void nfs_show_mount_options(struc
+ { NFS_MOUNT_NORDIRPLUS, ",nordirplus", "" },
+ { NFS_MOUNT_UNSHARED, ",nosharecache", "" },
+ { NFS_MOUNT_NORESVPORT, ",noresvport", "" },
++ { NFS_MOUNT_TAGGED, ",tag", "" },
+ { 0, NULL, NULL }
+ };
+ const struct proc_nfs_info *nfs_infop;
+@@ -1304,6 +1314,14 @@ static int nfs_parse_mount_options(char
+ case Opt_nomigration:
+ mnt->options &= NFS_OPTION_MIGRATION;
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ mnt->flags |= NFS_MOUNT_TAGGED;
++ break;
++ case Opt_notag:
++ mnt->flags &= ~NFS_MOUNT_TAGGED;
++ break;
++#endif
+
+ /*
+ * options that take numeric values
+@@ -1390,6 +1408,12 @@ static int nfs_parse_mount_options(char
+ goto out_invalid_value;
+ mnt->minorversion = option;
+ break;
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ nfs_data.flags |= NFS_MOUNT_TAGGED;
++ break;
++#endif
+
+ /*
+ * options that take text values
+diff -NurpP --minimal linux-3.7.10/fs/nfsd/auth.c linux-3.7.10-vs2.3.5.6/fs/nfsd/auth.c
+--- linux-3.7.10/fs/nfsd/auth.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfsd/auth.c 2012-12-18 15:13:16.000000000 +0000
+@@ -2,6 +2,7 @@
+
+ #include <linux/sched.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_tag.h>
+ #include "nfsd.h"
+ #include "auth.h"
+
+@@ -37,6 +38,9 @@ int nfsd_setuser(struct svc_rqst *rqstp,
+
+ new->fsuid = rqstp->rq_cred.cr_uid;
+ new->fsgid = rqstp->rq_cred.cr_gid;
++ /* FIXME: this desperately needs a tag :)
++ new->xid = (xid_t)INOTAG_TAG(DX_TAG_NFSD, cred.cr_uid, cred.cr_gid, 0);
++ */
+
+ rqgi = rqstp->rq_cred.cr_group_info;
+
+diff -NurpP --minimal linux-3.7.10/fs/nfsd/nfs3xdr.c linux-3.7.10-vs2.3.5.6/fs/nfsd/nfs3xdr.c
+--- linux-3.7.10/fs/nfsd/nfs3xdr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfsd/nfs3xdr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -7,6 +7,7 @@
+ */
+
+ #include <linux/namei.h>
++#include <linux/vs_tag.h>
+ #include "xdr3.h"
+ #include "auth.h"
+
+@@ -95,6 +96,8 @@ static __be32 *
+ decode_sattr3(__be32 *p, struct iattr *iap)
+ {
+ u32 tmp;
++ uid_t uid = 0;
++ gid_t gid = 0;
+
+ iap->ia_valid = 0;
+
+@@ -104,12 +107,15 @@ decode_sattr3(__be32 *p, struct iattr *i
+ }
+ if (*p++) {
+ iap->ia_valid |= ATTR_UID;
+- iap->ia_uid = ntohl(*p++);
++ uid = ntohl(*p++);
+ }
+ if (*p++) {
+ iap->ia_valid |= ATTR_GID;
+- iap->ia_gid = ntohl(*p++);
++ gid = ntohl(*p++);
+ }
++ iap->ia_uid = INOTAG_UID(DX_TAG_NFSD, uid, gid);
++ iap->ia_gid = INOTAG_GID(DX_TAG_NFSD, uid, gid);
++ iap->ia_tag = INOTAG_TAG(DX_TAG_NFSD, uid, gid, 0);
+ if (*p++) {
+ u64 newsize;
+
+@@ -165,8 +171,12 @@ encode_fattr3(struct svc_rqst *rqstp, __
+ *p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]);
+ *p++ = htonl((u32) stat->mode);
+ *p++ = htonl((u32) stat->nlink);
+- *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid));
+- *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid));
++ *p++ = htonl((u32) nfsd_ruid(rqstp,
++ TAGINO_UID(0 /* FIXME: DX_TAG(dentry->d_inode) */,
++ stat->uid, stat->tag)));
++ *p++ = htonl((u32) nfsd_rgid(rqstp,
++ TAGINO_GID(0 /* FIXME: DX_TAG(dentry->d_inode) */,
++ stat->gid, stat->tag)));
+ if (S_ISLNK(stat->mode) && stat->size > NFS3_MAXPATHLEN) {
+ p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
+ } else {
+diff -NurpP --minimal linux-3.7.10/fs/nfsd/nfs4xdr.c linux-3.7.10-vs2.3.5.6/fs/nfsd/nfs4xdr.c
+--- linux-3.7.10/fs/nfsd/nfs4xdr.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfsd/nfs4xdr.c 2013-01-16 00:19:03.000000000 +0000
+@@ -46,6 +46,7 @@
+ #include <linux/utsname.h>
+ #include <linux/pagemap.h>
+ #include <linux/sunrpc/svcauth_gss.h>
++#include <linux/vs_tag.h>
+
+ #include "idmap.h"
+ #include "acl.h"
+@@ -2351,14 +2352,18 @@ out_acl:
+ WRITE32(stat.nlink);
+ }
+ if (bmval1 & FATTR4_WORD1_OWNER) {
+- status = nfsd4_encode_user(rqstp, stat.uid, &p, &buflen);
++ status = nfsd4_encode_user(rqstp,
++ TAGINO_UID(DX_TAG(dentry->d_inode),
++ stat.uid, stat.tag), &p, &buflen);
+ if (status == nfserr_resource)
+ goto out_resource;
+ if (status)
+ goto out;
+ }
+ if (bmval1 & FATTR4_WORD1_OWNER_GROUP) {
+- status = nfsd4_encode_group(rqstp, stat.gid, &p, &buflen);
++ status = nfsd4_encode_group(rqstp,
++ TAGINO_GID(DX_TAG(dentry->d_inode),
++ stat.gid, stat.tag), &p, &buflen);
+ if (status == nfserr_resource)
+ goto out_resource;
+ if (status)
+diff -NurpP --minimal linux-3.7.10/fs/nfsd/nfsxdr.c linux-3.7.10-vs2.3.5.6/fs/nfsd/nfsxdr.c
+--- linux-3.7.10/fs/nfsd/nfsxdr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfsd/nfsxdr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -6,6 +6,7 @@
+
+ #include "xdr.h"
+ #include "auth.h"
++#include <linux/vs_tag.h>
+
+ #define NFSDDBG_FACILITY NFSDDBG_XDR
+
+@@ -88,6 +89,8 @@ static __be32 *
+ decode_sattr(__be32 *p, struct iattr *iap)
+ {
+ u32 tmp, tmp1;
++ uid_t uid = 0;
++ gid_t gid = 0;
+
+ iap->ia_valid = 0;
+
+@@ -101,12 +104,15 @@ decode_sattr(__be32 *p, struct iattr *ia
+ }
+ if ((tmp = ntohl(*p++)) != (u32)-1) {
+ iap->ia_valid |= ATTR_UID;
+- iap->ia_uid = tmp;
++ uid = tmp;
+ }
+ if ((tmp = ntohl(*p++)) != (u32)-1) {
+ iap->ia_valid |= ATTR_GID;
+- iap->ia_gid = tmp;
++ gid = tmp;
+ }
++ iap->ia_uid = INOTAG_UID(DX_TAG_NFSD, uid, gid);
++ iap->ia_gid = INOTAG_GID(DX_TAG_NFSD, uid, gid);
++ iap->ia_tag = INOTAG_TAG(DX_TAG_NFSD, uid, gid, 0);
+ if ((tmp = ntohl(*p++)) != (u32)-1) {
+ iap->ia_valid |= ATTR_SIZE;
+ iap->ia_size = tmp;
+@@ -151,8 +157,10 @@ encode_fattr(struct svc_rqst *rqstp, __b
+ *p++ = htonl(nfs_ftypes[type >> 12]);
+ *p++ = htonl((u32) stat->mode);
+ *p++ = htonl((u32) stat->nlink);
+- *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid));
+- *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid));
++ *p++ = htonl((u32) nfsd_ruid(rqstp,
++ TAGINO_UID(DX_TAG(dentry->d_inode), stat->uid, stat->tag)));
++ *p++ = htonl((u32) nfsd_rgid(rqstp,
++ TAGINO_GID(DX_TAG(dentry->d_inode), stat->gid, stat->tag)));
+
+ if (S_ISLNK(type) && stat->size > NFS_MAXPATHLEN) {
+ *p++ = htonl(NFS_MAXPATHLEN);
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/dlmglue.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/dlmglue.c
+--- linux-3.7.10/fs/ocfs2/dlmglue.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/dlmglue.c 2013-03-02 15:26:03.000000000 +0000
+@@ -2047,6 +2047,7 @@ static void __ocfs2_stuff_meta_lvb(struc
+ lvb->lvb_iclusters = cpu_to_be32(oi->ip_clusters);
+ lvb->lvb_iuid = cpu_to_be32(inode->i_uid);
+ lvb->lvb_igid = cpu_to_be32(inode->i_gid);
++ lvb->lvb_itag = cpu_to_be16(inode->i_tag);
+ lvb->lvb_imode = cpu_to_be16(inode->i_mode);
+ lvb->lvb_inlink = cpu_to_be16(inode->i_nlink);
+ lvb->lvb_iatime_packed =
+@@ -2097,6 +2098,7 @@ static void ocfs2_refresh_inode_from_lvb
+
+ inode->i_uid = be32_to_cpu(lvb->lvb_iuid);
+ inode->i_gid = be32_to_cpu(lvb->lvb_igid);
++ inode->i_tag = be16_to_cpu(lvb->lvb_itag);
+ inode->i_mode = be16_to_cpu(lvb->lvb_imode);
+ set_nlink(inode, be16_to_cpu(lvb->lvb_inlink));
+ ocfs2_unpack_timespec(&inode->i_atime,
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/dlmglue.h linux-3.7.10-vs2.3.5.6/fs/ocfs2/dlmglue.h
+--- linux-3.7.10/fs/ocfs2/dlmglue.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/dlmglue.h 2012-12-18 15:13:16.000000000 +0000
+@@ -46,7 +46,8 @@ struct ocfs2_meta_lvb {
+ __be16 lvb_inlink;
+ __be32 lvb_iattr;
+ __be32 lvb_igeneration;
+- __be32 lvb_reserved2;
++ __be16 lvb_itag;
++ __be16 lvb_reserved2;
+ };
+
+ #define OCFS2_QINFO_LVB_VERSION 1
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/file.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/file.c
+--- linux-3.7.10/fs/ocfs2/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -1123,7 +1123,7 @@ int ocfs2_setattr(struct dentry *dentry,
+ attr->ia_valid &= ~ATTR_SIZE;
+
+ #define OCFS2_VALID_ATTRS (ATTR_ATIME | ATTR_MTIME | ATTR_CTIME | ATTR_SIZE \
+- | ATTR_GID | ATTR_UID | ATTR_MODE)
++ | ATTR_GID | ATTR_UID | ATTR_TAG | ATTR_MODE)
+ if (!(attr->ia_valid & OCFS2_VALID_ATTRS))
+ return 0;
+
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/inode.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/inode.c
+--- linux-3.7.10/fs/ocfs2/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -28,6 +28,7 @@
+ #include <linux/highmem.h>
+ #include <linux/pagemap.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/byteorder.h>
+
+@@ -78,11 +79,13 @@ void ocfs2_set_inode_flags(struct inode
+ {
+ unsigned int flags = OCFS2_I(inode)->ip_attr;
+
+- inode->i_flags &= ~(S_IMMUTABLE |
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
+ if (flags & OCFS2_IMMUTABLE_FL)
+ inode->i_flags |= S_IMMUTABLE;
++ if (flags & OCFS2_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
+
+ if (flags & OCFS2_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+@@ -92,25 +95,44 @@ void ocfs2_set_inode_flags(struct inode
+ inode->i_flags |= S_NOATIME;
+ if (flags & OCFS2_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & OCFS2_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & OCFS2_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to OCFS2_I(inode)->ip_attr */
+ void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi)
+ {
+ unsigned int flags = oi->vfs_inode.i_flags;
++ unsigned int vflags = oi->vfs_inode.i_vflags;
++
++ oi->ip_attr &= ~(OCFS2_SYNC_FL | OCFS2_APPEND_FL |
++ OCFS2_IMMUTABLE_FL | OCFS2_IXUNLINK_FL |
++ OCFS2_NOATIME_FL | OCFS2_DIRSYNC_FL |
++ OCFS2_BARRIER_FL | OCFS2_COW_FL);
++
++ if (flags & S_IMMUTABLE)
++ oi->ip_attr |= OCFS2_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ oi->ip_attr |= OCFS2_IXUNLINK_FL;
+
+- oi->ip_attr &= ~(OCFS2_SYNC_FL|OCFS2_APPEND_FL|
+- OCFS2_IMMUTABLE_FL|OCFS2_NOATIME_FL|OCFS2_DIRSYNC_FL);
+ if (flags & S_SYNC)
+ oi->ip_attr |= OCFS2_SYNC_FL;
+ if (flags & S_APPEND)
+ oi->ip_attr |= OCFS2_APPEND_FL;
+- if (flags & S_IMMUTABLE)
+- oi->ip_attr |= OCFS2_IMMUTABLE_FL;
+ if (flags & S_NOATIME)
+ oi->ip_attr |= OCFS2_NOATIME_FL;
+ if (flags & S_DIRSYNC)
+ oi->ip_attr |= OCFS2_DIRSYNC_FL;
++
++ if (vflags & V_BARRIER)
++ oi->ip_attr |= OCFS2_BARRIER_FL;
++ if (vflags & V_COW)
++ oi->ip_attr |= OCFS2_COW_FL;
+ }
+
+ struct inode *ocfs2_ilookup(struct super_block *sb, u64 blkno)
+@@ -241,6 +263,8 @@ void ocfs2_populate_inode(struct inode *
+ struct super_block *sb;
+ struct ocfs2_super *osb;
+ int use_plocks = 1;
++ uid_t uid;
++ gid_t gid;
+
+ sb = inode->i_sb;
+ osb = OCFS2_SB(sb);
+@@ -269,8 +293,12 @@ void ocfs2_populate_inode(struct inode *
+ inode->i_generation = le32_to_cpu(fe->i_generation);
+ inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
+ inode->i_mode = le16_to_cpu(fe->i_mode);
+- inode->i_uid = le32_to_cpu(fe->i_uid);
+- inode->i_gid = le32_to_cpu(fe->i_gid);
++ uid = le32_to_cpu(fe->i_uid);
++ gid = le32_to_cpu(fe->i_gid);
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
++ /* le16_to_cpu(raw_inode->i_raw_tag)i */ 0);
+
+ /* Fast symlinks will have i_size but no allocated clusters. */
+ if (S_ISLNK(inode->i_mode) && !fe->i_clusters) {
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/inode.h linux-3.7.10-vs2.3.5.6/fs/ocfs2/inode.h
+--- linux-3.7.10/fs/ocfs2/inode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -154,6 +154,7 @@ struct buffer_head *ocfs2_bread(struct i
+
+ void ocfs2_set_inode_flags(struct inode *inode);
+ void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi);
++int ocfs2_sync_flags(struct inode *inode, int, int);
+
+ static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode)
+ {
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/ioctl.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/ioctl.c
+--- linux-3.7.10/fs/ocfs2/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -76,7 +76,41 @@ static int ocfs2_get_inode_attr(struct i
+ return status;
+ }
+
+-static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
++int ocfs2_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
++ struct buffer_head *bh = NULL;
++ handle_t *handle = NULL;
++ int status;
++
++ status = ocfs2_inode_lock(inode, &bh, 1);
++ if (status < 0) {
++ mlog_errno(status);
++ return status;
++ }
++ handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
++ if (IS_ERR(handle)) {
++ status = PTR_ERR(handle);
++ mlog_errno(status);
++ goto bail_unlock;
++ }
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ocfs2_get_inode_flags(OCFS2_I(inode));
++
++ status = ocfs2_mark_inode_dirty(handle, inode, bh);
++ if (status < 0)
++ mlog_errno(status);
++
++ ocfs2_commit_trans(osb, handle);
++bail_unlock:
++ ocfs2_inode_unlock(inode, 1);
++ brelse(bh);
++ return status;
++}
++
++int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
+ unsigned mask)
+ {
+ struct ocfs2_inode_info *ocfs2_inode = OCFS2_I(inode);
+@@ -101,6 +135,11 @@ static int ocfs2_set_inode_attr(struct i
+ if (!S_ISDIR(inode->i_mode))
+ flags &= ~OCFS2_DIRSYNC_FL;
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ goto bail_unlock;
++ }
++
+ handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
+ if (IS_ERR(handle)) {
+ status = PTR_ERR(handle);
+@@ -879,6 +918,7 @@ bail:
+ return status;
+ }
+
++
+ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_path.dentry->d_inode;
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/namei.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/namei.c
+--- linux-3.7.10/fs/ocfs2/namei.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/namei.c 2012-12-18 15:13:16.000000000 +0000
+@@ -41,6 +41,7 @@
+ #include <linux/slab.h>
+ #include <linux/highmem.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+
+ #include <cluster/masklog.h>
+
+@@ -475,6 +476,7 @@ static int __ocfs2_mknod_locked(struct i
+ struct ocfs2_dinode *fe = NULL;
+ struct ocfs2_extent_list *fel;
+ u16 feat;
++ tag_t tag;
+
+ *new_fe_bh = NULL;
+
+@@ -512,8 +514,11 @@ static int __ocfs2_mknod_locked(struct i
+ fe->i_suballoc_loc = cpu_to_le64(suballoc_loc);
+ fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);
+ fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot);
+- fe->i_uid = cpu_to_le32(inode->i_uid);
+- fe->i_gid = cpu_to_le32(inode->i_gid);
++
++ tag = dx_current_fstag(osb->sb);
++ fe->i_uid = cpu_to_le32(TAGINO_UID(DX_TAG(inode), inode->i_uid, tag));
++ fe->i_gid = cpu_to_le32(TAGINO_GID(DX_TAG(inode), inode->i_gid, tag));
++ inode->i_tag = tag;
+ fe->i_mode = cpu_to_le16(inode->i_mode);
+ if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
+ fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev));
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/ocfs2.h linux-3.7.10-vs2.3.5.6/fs/ocfs2/ocfs2.h
+--- linux-3.7.10/fs/ocfs2/ocfs2.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/ocfs2.h 2012-12-18 15:13:16.000000000 +0000
+@@ -272,6 +272,7 @@ enum ocfs2_mount_options
+ writes */
+ OCFS2_MOUNT_HB_NONE = 1 << 13, /* No heartbeat */
+ OCFS2_MOUNT_HB_GLOBAL = 1 << 14, /* Global heartbeat */
++ OCFS2_MOUNT_TAGGED = 1 << 15, /* use tagging */
+ };
+
+ #define OCFS2_OSB_SOFT_RO 0x0001
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/ocfs2_fs.h linux-3.7.10-vs2.3.5.6/fs/ocfs2/ocfs2_fs.h
+--- linux-3.7.10/fs/ocfs2/ocfs2_fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/ocfs2_fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -266,6 +266,11 @@
+ #define OCFS2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
+ #define OCFS2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
+
++#define OCFS2_IXUNLINK_FL FS_IXUNLINK_FL /* Immutable invert on unlink */
++
++#define OCFS2_BARRIER_FL FS_BARRIER_FL /* Barrier for chroot() */
++#define OCFS2_COW_FL FS_COW_FL /* Copy on Write marker */
++
+ #define OCFS2_FL_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
+ #define OCFS2_FL_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
+
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/super.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/super.c
+--- linux-3.7.10/fs/ocfs2/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -185,6 +185,7 @@ enum {
+ Opt_coherency_full,
+ Opt_resv_level,
+ Opt_dir_resv_level,
++ Opt_tag, Opt_notag, Opt_tagid,
+ Opt_err,
+ };
+
+@@ -216,6 +217,9 @@ static const match_table_t tokens = {
+ {Opt_coherency_full, "coherency=full"},
+ {Opt_resv_level, "resv_level=%u"},
+ {Opt_dir_resv_level, "dir_resv_level=%u"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL}
+ };
+
+@@ -662,6 +666,13 @@ static int ocfs2_remount(struct super_bl
+ goto out;
+ }
+
++ if ((osb->s_mount_opt & OCFS2_MOUNT_TAGGED) !=
++ (parsed_options.mount_opt & OCFS2_MOUNT_TAGGED)) {
++ ret = -EINVAL;
++ mlog(ML_ERROR, "Cannot change tagging on remount\n");
++ goto out;
++ }
++
+ /* We're going to/from readonly mode. */
+ if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) {
+ /* Disable quota accounting before remounting RO */
+@@ -1177,6 +1188,9 @@ static int ocfs2_fill_super(struct super
+
+ ocfs2_complete_mount_recovery(osb);
+
++ if (osb->s_mount_opt & OCFS2_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ if (ocfs2_mount_local(osb))
+ snprintf(nodestr, sizeof(nodestr), "local");
+ else
+@@ -1503,6 +1517,20 @@ static int ocfs2_parse_options(struct su
+ option < OCFS2_MAX_RESV_LEVEL)
+ mopt->dir_resv_level = option;
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ mopt->mount_opt |= OCFS2_MOUNT_TAGGED;
++ break;
++ case Opt_notag:
++ mopt->mount_opt &= ~OCFS2_MOUNT_TAGGED;
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ mopt->mount_opt |= OCFS2_MOUNT_TAGGED;
++ break;
++#endif
+ default:
+ mlog(ML_ERROR,
+ "Unrecognized mount option \"%s\" "
+diff -NurpP --minimal linux-3.7.10/fs/open.c linux-3.7.10-vs2.3.5.6/fs/open.c
+--- linux-3.7.10/fs/open.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/open.c 2012-12-18 15:13:16.000000000 +0000
+@@ -30,6 +30,11 @@
+ #include <linux/fs_struct.h>
+ #include <linux/ima.h>
+ #include <linux/dnotify.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_tag.h>
++#include <linux/vs_cowbl.h>
++#include <linux/vserver/dlimit.h>
+
+ #include "internal.h"
+
+@@ -74,6 +79,12 @@ static long do_sys_truncate(const char _
+ error = user_path(pathname, &path);
+ if (error)
+ goto out;
++
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (error)
++ goto dput_and_out;
++#endif
+ inode = path.dentry->d_inode;
+
+ /* For directories it's -EISDIR, for other non-regulars - -EINVAL */
+@@ -492,6 +503,10 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, cons
+
+ error = user_path_at(dfd, filename, LOOKUP_FOLLOW, &path);
+ if (!error) {
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
+ error = chmod_common(&path, mode);
+ path_put(&path);
+ }
+@@ -519,13 +534,13 @@ static int chown_common(struct path *pat
+ if (!uid_valid(uid))
+ return -EINVAL;
+ newattrs.ia_valid |= ATTR_UID;
+- newattrs.ia_uid = uid;
++ newattrs.ia_uid = dx_map_uid(user);
+ }
+ if (group != (gid_t) -1) {
+ if (!gid_valid(gid))
+ return -EINVAL;
+ newattrs.ia_valid |= ATTR_GID;
+- newattrs.ia_gid = gid;
++ newattrs.ia_gid = dx_map_gid(group);
+ }
+ if (!S_ISDIR(inode->i_mode))
+ newattrs.ia_valid |=
+@@ -558,6 +573,18 @@ SYSCALL_DEFINE5(fchownat, int, dfd, cons
+ error = mnt_want_write(path.mnt);
+ if (error)
+ goto out_release;
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
+ error = chown_common(&path, user, group);
+ mnt_drop_write(path.mnt);
+ out_release:
+diff -NurpP --minimal linux-3.7.10/fs/proc/array.c linux-3.7.10-vs2.3.5.6/fs/proc/array.c
+--- linux-3.7.10/fs/proc/array.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/array.c 2013-01-16 00:19:03.000000000 +0000
+@@ -82,6 +82,8 @@
+ #include <linux/ptrace.h>
+ #include <linux/tracehook.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
+
+ #include <asm/pgtable.h>
+ #include <asm/processor.h>
+@@ -172,6 +174,9 @@ static inline void task_state(struct seq
+ rcu_read_lock();
+ ppid = pid_alive(p) ?
+ task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
++ if (unlikely(vx_current_initpid(p->pid)))
++ ppid = 0;
++
+ tpid = 0;
+ if (pid_alive(p)) {
+ struct task_struct *tracer = ptrace_parent(p);
+@@ -296,7 +301,7 @@ static inline void task_sig(struct seq_f
+ }
+
+ static void render_cap_t(struct seq_file *m, const char *header,
+- kernel_cap_t *a)
++ struct vx_info *vxi, kernel_cap_t *a)
+ {
+ unsigned __capi;
+
+@@ -321,10 +326,11 @@ static inline void task_cap(struct seq_f
+ cap_bset = cred->cap_bset;
+ rcu_read_unlock();
+
+- render_cap_t(m, "CapInh:\t", &cap_inheritable);
+- render_cap_t(m, "CapPrm:\t", &cap_permitted);
+- render_cap_t(m, "CapEff:\t", &cap_effective);
+- render_cap_t(m, "CapBnd:\t", &cap_bset);
++ /* FIXME: maybe move the p->vx_info masking to __task_cred() ? */
++ render_cap_t(m, "CapInh:\t", p->vx_info, &cap_inheritable);
++ render_cap_t(m, "CapPrm:\t", p->vx_info, &cap_permitted);
++ render_cap_t(m, "CapEff:\t", p->vx_info, &cap_effective);
++ render_cap_t(m, "CapBnd:\t", p->vx_info, &cap_bset);
+ }
+
+ static inline void task_context_switch_counts(struct seq_file *m,
+@@ -346,6 +352,42 @@ static void task_cpus_allowed(struct seq
+ seq_putc(m, '\n');
+ }
+
++int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
++ struct pid *pid, struct task_struct *task)
++{
++ seq_printf(m, "Proxy:\t%p(%c)\n"
++ "Count:\t%u\n"
++ "uts:\t%p(%c)\n"
++ "ipc:\t%p(%c)\n"
++ "mnt:\t%p(%c)\n"
++ "pid:\t%p(%c)\n"
++ "net:\t%p(%c)\n",
++ task->nsproxy,
++ (task->nsproxy == init_task.nsproxy ? 'I' : '-'),
++ atomic_read(&task->nsproxy->count),
++ task->nsproxy->uts_ns,
++ (task->nsproxy->uts_ns == init_task.nsproxy->uts_ns ? 'I' : '-'),
++ task->nsproxy->ipc_ns,
++ (task->nsproxy->ipc_ns == init_task.nsproxy->ipc_ns ? 'I' : '-'),
++ task->nsproxy->mnt_ns,
++ (task->nsproxy->mnt_ns == init_task.nsproxy->mnt_ns ? 'I' : '-'),
++ task->nsproxy->pid_ns,
++ (task->nsproxy->pid_ns == init_task.nsproxy->pid_ns ? 'I' : '-'),
++ task->nsproxy->net_ns,
++ (task->nsproxy->net_ns == init_task.nsproxy->net_ns ? 'I' : '-'));
++ return 0;
++}
++
++void task_vs_id(struct seq_file *m, struct task_struct *task)
++{
++ if (task_vx_flags(task, VXF_HIDE_VINFO, 0))
++ return;
++
++ seq_printf(m, "VxID: %d\n", vx_task_xid(task));
++ seq_printf(m, "NxID: %d\n", nx_task_nid(task));
++}
++
++
+ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
+ {
+@@ -362,6 +404,7 @@ int proc_pid_status(struct seq_file *m,
+ task_cap(m, task);
+ task_cpus_allowed(m, task);
+ cpuset_task_status_allowed(m, task);
++ task_vs_id(m, task);
+ task_context_switch_counts(m, task);
+ return 0;
+ }
+@@ -471,6 +514,17 @@ static int do_task_stat(struct seq_file
+ /* convert nsec -> ticks */
+ start_time = nsec_to_clock_t(start_time);
+
++ /* fixup start time for virt uptime */
++ if (vx_flags(VXF_VIRT_UPTIME, 0)) {
++ unsigned long long bias =
++ current->vx_info->cvirt.bias_clock;
++
++ if (start_time > bias)
++ start_time -= bias;
++ else
++ start_time = 0;
++ }
++
+ seq_printf(m, "%d (%s) %c", pid_nr_ns(pid, ns), tcomm, state);
+ seq_put_decimal_ll(m, ' ', ppid);
+ seq_put_decimal_ll(m, ' ', pgid);
+diff -NurpP --minimal linux-3.7.10/fs/proc/base.c linux-3.7.10-vs2.3.5.6/fs/proc/base.c
+--- linux-3.7.10/fs/proc/base.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/base.c 2012-12-18 15:13:16.000000000 +0000
+@@ -85,6 +85,8 @@
+ #include <linux/fs_struct.h>
+ #include <linux/slab.h>
+ #include <linux/flex_array.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
+ #ifdef CONFIG_HARDWALL
+ #include <asm/hardwall.h>
+ #endif
+@@ -950,11 +952,15 @@ static ssize_t oom_adj_write(struct file
+ oom_adj = (oom_adj * OOM_SCORE_ADJ_MAX) / -OOM_DISABLE;
+
+ if (oom_adj < task->signal->oom_score_adj &&
+- !capable(CAP_SYS_RESOURCE)) {
++ !vx_capable(CAP_SYS_RESOURCE, VXC_OOM_ADJUST)) {
+ err = -EACCES;
+ goto err_sighand;
+ }
+
++ /* prevent guest processes from circumventing the oom killer */
++ if (vx_current_xid() && (oom_adj == OOM_DISABLE))
++ oom_adj = OOM_ADJUST_MIN;
++
+ /*
+ * /proc/pid/oom_adj is provided for legacy purposes, ask users to use
+ * /proc/pid/oom_score_adj instead.
+@@ -1534,6 +1540,8 @@ struct inode *proc_pid_make_inode(struct
+ inode->i_gid = cred->egid;
+ rcu_read_unlock();
+ }
++ /* procfs is xid tagged */
++ i_tag_write(inode, (tag_t)vx_task_xid(task));
+ security_task_to_inode(task, inode);
+
+ out:
+@@ -1579,6 +1587,8 @@ int pid_getattr(struct vfsmount *mnt, st
+
+ /* dentry stuff */
+
++static unsigned name_to_int(struct dentry *dentry);
++
+ /*
+ * Exceptional case: normally we are not allowed to unhash a busy
+ * directory. In this case, however, we can do it - no aliasing problems
+@@ -1607,6 +1617,12 @@ int pid_revalidate(struct dentry *dentry
+ task = get_proc_task(inode);
+
+ if (task) {
++ unsigned pid = name_to_int(dentry);
++
++ if (pid != ~0U && pid != vx_map_pid(task->pid)) {
++ put_task_struct(task);
++ goto drop;
++ }
+ if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
+ task_dumpable(task)) {
+ rcu_read_lock();
+@@ -1623,6 +1639,7 @@ int pid_revalidate(struct dentry *dentry
+ put_task_struct(task);
+ return 1;
+ }
++drop:
+ d_drop(dentry);
+ return 0;
+ }
+@@ -2065,6 +2082,13 @@ static struct dentry *proc_pident_lookup
+ if (!task)
+ goto out_no_task;
+
++ /* TODO: maybe we can come up with a generic approach? */
++ if (task_vx_flags(task, VXF_HIDE_VINFO, 0) &&
++ (dentry->d_name.len == 5) &&
++ (!memcmp(dentry->d_name.name, "vinfo", 5) ||
++ !memcmp(dentry->d_name.name, "ninfo", 5)))
++ goto out;
++
+ /*
+ * Yes, it does not scale. And it should not. Don't add
+ * new entries into /proc/<tgid>/ without very good reasons.
+@@ -2451,7 +2475,7 @@ out_iput:
+ static struct dentry *proc_base_lookup(struct inode *dir, struct dentry *dentry)
+ {
+ struct dentry *error;
+- struct task_struct *task = get_proc_task(dir);
++ struct task_struct *task = get_proc_task_real(dir);
+ const struct pid_entry *p, *last;
+
+ error = ERR_PTR(-ENOENT);
+@@ -2639,6 +2663,9 @@ static int proc_pid_personality(struct s
+ static const struct file_operations proc_task_operations;
+ static const struct inode_operations proc_task_inode_operations;
+
++extern int proc_pid_vx_info(struct task_struct *, char *);
++extern int proc_pid_nx_info(struct task_struct *, char *);
++
+ static const struct pid_entry tgid_base_stuff[] = {
+ DIR("task", S_IRUGO|S_IXUGO, proc_task_inode_operations, proc_task_operations),
+ DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
+@@ -2705,6 +2732,8 @@ static const struct pid_entry tgid_base_
+ #ifdef CONFIG_CGROUPS
+ REG("cgroup", S_IRUGO, proc_cgroup_operations),
+ #endif
++ INF("vinfo", S_IRUGO, proc_pid_vx_info),
++ INF("ninfo", S_IRUGO, proc_pid_nx_info),
+ INF("oom_score", S_IRUGO, proc_oom_score),
+ REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
+ REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
+@@ -2729,6 +2758,7 @@ static const struct pid_entry tgid_base_
+ REG("gid_map", S_IRUGO|S_IWUSR, proc_gid_map_operations),
+ REG("projid_map", S_IRUGO|S_IWUSR, proc_projid_map_operations),
+ #endif
++ ONE("nsproxy", S_IRUGO, proc_pid_nsproxy),
+ };
+
+ static int proc_tgid_base_readdir(struct file * filp,
+@@ -2923,7 +2953,7 @@ retry:
+ iter.task = NULL;
+ pid = find_ge_pid(iter.tgid, ns);
+ if (pid) {
+- iter.tgid = pid_nr_ns(pid, ns);
++ iter.tgid = pid_unmapped_nr_ns(pid, ns);
+ iter.task = pid_task(pid, PIDTYPE_PID);
+ /* What we to know is if the pid we have find is the
+ * pid of a thread_group_leader. Testing for task
+@@ -2953,7 +2983,7 @@ static int proc_pid_fill_cache(struct fi
+ struct tgid_iter iter)
+ {
+ char name[PROC_NUMBUF];
+- int len = snprintf(name, sizeof(name), "%d", iter.tgid);
++ int len = snprintf(name, sizeof(name), "%d", vx_map_tgid(iter.tgid));
+ return proc_fill_cache(filp, dirent, filldir, name, len,
+ proc_pid_instantiate, iter.task, NULL);
+ }
+@@ -2977,7 +3007,7 @@ int proc_pid_readdir(struct file * filp,
+ goto out_no_task;
+ nr = filp->f_pos - FIRST_PROCESS_ENTRY;
+
+- reaper = get_proc_task(filp->f_path.dentry->d_inode);
++ reaper = get_proc_task_real(filp->f_path.dentry->d_inode);
+ if (!reaper)
+ goto out_no_task;
+
+@@ -2999,6 +3029,8 @@ int proc_pid_readdir(struct file * filp,
+ __filldir = fake_filldir;
+
+ filp->f_pos = iter.tgid + TGID_OFFSET;
++ if (!vx_proc_task_visible(iter.task))
++ continue;
+ if (proc_pid_fill_cache(filp, dirent, __filldir, iter) < 0) {
+ put_task_struct(iter.task);
+ goto out;
+@@ -3161,6 +3193,8 @@ static struct dentry *proc_task_lookup(s
+ tid = name_to_int(dentry);
+ if (tid == ~0U)
+ goto out;
++ if (vx_current_initpid(tid))
++ goto out;
+
+ ns = dentry->d_sb->s_fs_info;
+ rcu_read_lock();
+diff -NurpP --minimal linux-3.7.10/fs/proc/generic.c linux-3.7.10-vs2.3.5.6/fs/proc/generic.c
+--- linux-3.7.10/fs/proc/generic.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/generic.c 2012-12-18 15:13:16.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/bitops.h>
+ #include <linux/spinlock.h>
+ #include <linux/completion.h>
++#include <linux/vserver/inode.h>
+ #include <asm/uaccess.h>
+
+ #include "internal.h"
+@@ -424,11 +425,15 @@ struct dentry *proc_lookup_de(struct pro
+ for (de = de->subdir; de ; de = de->next) {
+ if (de->namelen != dentry->d_name.len)
+ continue;
++ if (!vx_hide_check(0, de->vx_flags))
++ continue;
+ if (!memcmp(dentry->d_name.name, de->name, de->namelen)) {
+ pde_get(de);
+ spin_unlock(&proc_subdir_lock);
+ error = -ENOMEM;
+ inode = proc_get_inode(dir->i_sb, de);
++ /* generic proc entries belong to the host */
++ i_tag_write(inode, 0);
+ goto out_unlock;
+ }
+ }
+@@ -506,6 +511,8 @@ int proc_readdir_de(struct proc_dir_entr
+
+ /* filldir passes info to user space */
+ pde_get(de);
++ if (!vx_hide_check(0, de->vx_flags))
++ goto skip;
+ spin_unlock(&proc_subdir_lock);
+ if (filldir(dirent, de->name, de->namelen, filp->f_pos,
+ de->low_ino, de->mode >> 12) < 0) {
+@@ -513,6 +520,7 @@ int proc_readdir_de(struct proc_dir_entr
+ goto out;
+ }
+ spin_lock(&proc_subdir_lock);
++ skip:
+ filp->f_pos++;
+ next = de->next;
+ pde_put(de);
+@@ -625,6 +633,7 @@ static struct proc_dir_entry *__proc_cre
+ ent->namelen = len;
+ ent->mode = mode;
+ ent->nlink = nlink;
++ ent->vx_flags = IATTR_PROC_DEFAULT;
+ atomic_set(&ent->count, 1);
+ spin_lock_init(&ent->pde_unload_lock);
+ INIT_LIST_HEAD(&ent->pde_openers);
+@@ -648,7 +657,8 @@ struct proc_dir_entry *proc_symlink(cons
+ kfree(ent->data);
+ kfree(ent);
+ ent = NULL;
+- }
++ } else
++ ent->vx_flags = IATTR_PROC_SYMLINK;
+ } else {
+ kfree(ent);
+ ent = NULL;
+diff -NurpP --minimal linux-3.7.10/fs/proc/inode.c linux-3.7.10-vs2.3.5.6/fs/proc/inode.c
+--- linux-3.7.10/fs/proc/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -457,6 +457,8 @@ struct inode *proc_get_inode(struct supe
+ inode->i_uid = de->uid;
+ inode->i_gid = de->gid;
+ }
++ if (de->vx_flags)
++ PROC_I(inode)->vx_flags = de->vx_flags;
+ if (de->size)
+ inode->i_size = de->size;
+ if (de->nlink)
+diff -NurpP --minimal linux-3.7.10/fs/proc/internal.h linux-3.7.10-vs2.3.5.6/fs/proc/internal.h
+--- linux-3.7.10/fs/proc/internal.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/internal.h 2012-12-18 15:13:16.000000000 +0000
+@@ -11,6 +11,8 @@
+
+ #include <linux/sched.h>
+ #include <linux/proc_fs.h>
++#include <linux/vs_pid.h>
++
+ struct ctl_table_header;
+ struct mempolicy;
+
+@@ -54,6 +56,9 @@ extern int proc_pid_status(struct seq_fi
+ struct pid *pid, struct task_struct *task);
+ extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task);
++extern int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
++ struct pid *pid, struct task_struct *task);
++
+ extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
+
+ extern const struct file_operations proc_tid_children_operations;
+@@ -87,11 +92,16 @@ static inline struct pid *proc_pid(struc
+ return PROC_I(inode)->pid;
+ }
+
+-static inline struct task_struct *get_proc_task(struct inode *inode)
++static inline struct task_struct *get_proc_task_real(struct inode *inode)
+ {
+ return get_pid_task(proc_pid(inode), PIDTYPE_PID);
+ }
+
++static inline struct task_struct *get_proc_task(struct inode *inode)
++{
++ return vx_get_proc_task(inode, proc_pid(inode));
++}
++
+ static inline int proc_fd(struct inode *inode)
+ {
+ return PROC_I(inode)->fd;
+diff -NurpP --minimal linux-3.7.10/fs/proc/loadavg.c linux-3.7.10-vs2.3.5.6/fs/proc/loadavg.c
+--- linux-3.7.10/fs/proc/loadavg.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/loadavg.c 2012-12-18 15:13:16.000000000 +0000
+@@ -12,15 +12,27 @@
+
+ static int loadavg_proc_show(struct seq_file *m, void *v)
+ {
++ unsigned long running;
++ unsigned int threads;
+ unsigned long avnrun[3];
+
+ get_avenrun(avnrun, FIXED_1/200, 0);
+
++ if (vx_flags(VXF_VIRT_LOAD, 0)) {
++ struct vx_info *vxi = current_vx_info();
++
++ running = atomic_read(&vxi->cvirt.nr_running);
++ threads = atomic_read(&vxi->cvirt.nr_threads);
++ } else {
++ running = nr_running();
++ threads = nr_threads;
++ }
++
+ seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %ld/%d %d\n",
+ LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
+ LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
+ LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
+- nr_running(), nr_threads,
++ running, threads,
+ task_active_pid_ns(current)->last_pid);
+ return 0;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/proc/meminfo.c linux-3.7.10-vs2.3.5.6/fs/proc/meminfo.c
+--- linux-3.7.10/fs/proc/meminfo.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/meminfo.c 2012-12-18 15:13:16.000000000 +0000
+@@ -39,7 +39,8 @@ static int meminfo_proc_show(struct seq_
+ allowed = ((totalram_pages - hugetlb_total_pages())
+ * sysctl_overcommit_ratio / 100) + total_swap_pages;
+
+- cached = global_page_state(NR_FILE_PAGES) -
++ cached = vx_flags(VXF_VIRT_MEM, 0) ?
++ vx_vsi_cached(&i) : global_page_state(NR_FILE_PAGES) -
+ total_swapcache_pages - i.bufferram;
+ if (cached < 0)
+ cached = 0;
+diff -NurpP --minimal linux-3.7.10/fs/proc/root.c linux-3.7.10-vs2.3.5.6/fs/proc/root.c
+--- linux-3.7.10/fs/proc/root.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/root.c 2012-12-18 15:13:16.000000000 +0000
+@@ -19,9 +19,14 @@
+ #include <linux/mount.h>
+ #include <linux/pid_namespace.h>
+ #include <linux/parser.h>
++#include <linux/vserver/inode.h>
+
+ #include "internal.h"
+
++struct proc_dir_entry *proc_virtual;
++
++extern void proc_vx_init(void);
++
+ static int proc_test_super(struct super_block *sb, void *data)
+ {
+ return sb->s_fs_info == data;
+@@ -189,6 +194,7 @@ void __init proc_root_init(void)
+ #endif
+ proc_mkdir("bus", NULL);
+ proc_sys_init();
++ proc_vx_init();
+ }
+
+ static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat
+@@ -255,6 +261,7 @@ struct proc_dir_entry proc_root = {
+ .proc_iops = &proc_root_inode_operations,
+ .proc_fops = &proc_root_operations,
+ .parent = &proc_root,
++ .vx_flags = IATTR_ADMIN | IATTR_WATCH,
+ .name = "/proc",
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/proc/stat.c linux-3.7.10-vs2.3.5.6/fs/proc/stat.c
+--- linux-3.7.10/fs/proc/stat.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/stat.c 2012-12-18 15:13:16.000000000 +0000
+@@ -9,8 +9,10 @@
+ #include <linux/slab.h>
+ #include <linux/time.h>
+ #include <linux/irqnr.h>
++#include <linux/vserver/cvirt.h>
+ #include <asm/cputime.h>
+ #include <linux/tick.h>
++#include <linux/cpuset.h>
+
+ #ifndef arch_irq_stat_cpu
+ #define arch_irq_stat_cpu(cpu) 0
+@@ -87,14 +89,26 @@ static int show_stat(struct seq_file *p,
+ u64 sum_softirq = 0;
+ unsigned int per_softirq_sums[NR_SOFTIRQS] = {0};
+ struct timespec boottime;
++ cpumask_var_t cpus_allowed;
++ bool virt_cpu = vx_flags(VXF_VIRT_CPU, 0);
+
+ user = nice = system = idle = iowait =
+ irq = softirq = steal = 0;
+ guest = guest_nice = 0;
+ getboottime(&boottime);
++
++ if (vx_flags(VXF_VIRT_UPTIME, 0))
++ vx_vsi_boottime(&boottime);
++
++ if (virt_cpu)
++ cpuset_cpus_allowed(current, cpus_allowed);
++
+ jif = boottime.tv_sec;
+
+ for_each_possible_cpu(i) {
++ if (virt_cpu && !cpumask_test_cpu(i, cpus_allowed))
++ continue;
++
+ user += kcpustat_cpu(i).cpustat[CPUTIME_USER];
+ nice += kcpustat_cpu(i).cpustat[CPUTIME_NICE];
+ system += kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM];
+@@ -131,6 +145,9 @@ static int show_stat(struct seq_file *p,
+ seq_putc(p, '\n');
+
+ for_each_online_cpu(i) {
++ if (virt_cpu && !cpumask_test_cpu(i, cpus_allowed))
++ continue;
++
+ /* Copy values here to work around gcc-2.95.3, gcc-2.96 */
+ user = kcpustat_cpu(i).cpustat[CPUTIME_USER];
+ nice = kcpustat_cpu(i).cpustat[CPUTIME_NICE];
+diff -NurpP --minimal linux-3.7.10/fs/proc/uptime.c linux-3.7.10-vs2.3.5.6/fs/proc/uptime.c
+--- linux-3.7.10/fs/proc/uptime.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/uptime.c 2012-12-18 15:13:16.000000000 +0000
+@@ -5,6 +5,7 @@
+ #include <linux/seq_file.h>
+ #include <linux/time.h>
+ #include <linux/kernel_stat.h>
++#include <linux/vserver/cvirt.h>
+ #include <asm/cputime.h>
+
+ static int uptime_proc_show(struct seq_file *m, void *v)
+@@ -25,6 +26,10 @@ static int uptime_proc_show(struct seq_f
+ nsec = cputime64_to_jiffies64(idletime) * TICK_NSEC;
+ idle.tv_sec = div_u64_rem(nsec, NSEC_PER_SEC, &rem);
+ idle.tv_nsec = rem;
++
++ if (vx_flags(VXF_VIRT_UPTIME, 0))
++ vx_vsi_uptime(&uptime, &idle);
++
+ seq_printf(m, "%lu.%02lu %lu.%02lu\n",
+ (unsigned long) uptime.tv_sec,
+ (uptime.tv_nsec / (NSEC_PER_SEC / 100)),
+diff -NurpP --minimal linux-3.7.10/fs/proc_namespace.c linux-3.7.10-vs2.3.5.6/fs/proc_namespace.c
+--- linux-3.7.10/fs/proc_namespace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc_namespace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -44,6 +44,8 @@ static int show_sb_opts(struct seq_file
+ { MS_SYNCHRONOUS, ",sync" },
+ { MS_DIRSYNC, ",dirsync" },
+ { MS_MANDLOCK, ",mand" },
++ { MS_TAGGED, ",tag" },
++ { MS_NOTAGCHECK, ",notagcheck" },
+ { 0, NULL }
+ };
+ const struct proc_fs_info *fs_infop;
+@@ -80,6 +82,40 @@ static inline void mangle(struct seq_fil
+ seq_escape(m, s, " \t\n\\");
+ }
+
++#ifdef CONFIG_VSERVER_EXTRA_MNT_CHECK
++
++static int mnt_is_reachable(struct vfsmount *vfsmnt)
++{
++ struct path root;
++ struct dentry *point;
++ struct mount *mnt = real_mount(vfsmnt);
++ struct mount *root_mnt;
++ int ret;
++
++ if (mnt == mnt->mnt_ns->root)
++ return 1;
++
++ br_read_lock(&vfsmount_lock);
++ root = current->fs->root;
++ root_mnt = real_mount(root.mnt);
++ point = root.dentry;
++
++ while ((mnt != mnt->mnt_parent) && (mnt != root_mnt)) {
++ point = mnt->mnt_mountpoint;
++ mnt = mnt->mnt_parent;
++ }
++
++ ret = (mnt == root_mnt) && is_subdir(point, root.dentry);
++
++ br_read_unlock(&vfsmount_lock);
++
++ return ret;
++}
++
++#else
++#define mnt_is_reachable(v) (1)
++#endif
++
+ static void show_type(struct seq_file *m, struct super_block *sb)
+ {
+ mangle(m, sb->s_type->name);
+@@ -96,6 +132,17 @@ static int show_vfsmnt(struct seq_file *
+ struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt };
+ struct super_block *sb = mnt_path.dentry->d_sb;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
++ if (!vx_check(0, VS_ADMIN|VS_WATCH) &&
++ mnt == current->fs->root.mnt) {
++ seq_puts(m, "/dev/root / ");
++ goto type;
++ }
++
+ if (sb->s_op->show_devname) {
+ err = sb->s_op->show_devname(m, mnt_path.dentry);
+ if (err)
+@@ -106,6 +153,7 @@ static int show_vfsmnt(struct seq_file *
+ seq_putc(m, ' ');
+ seq_path(m, &mnt_path, " \t\n\\");
+ seq_putc(m, ' ');
++type:
+ show_type(m, sb);
+ seq_puts(m, __mnt_is_readonly(mnt) ? " ro" : " rw");
+ err = show_sb_opts(m, sb);
+@@ -128,6 +176,11 @@ static int show_mountinfo(struct seq_fil
+ struct path root = p->root;
+ int err = 0;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
+ seq_printf(m, "%i %i %u:%u ", r->mnt_id, r->mnt_parent->mnt_id,
+ MAJOR(sb->s_dev), MINOR(sb->s_dev));
+ if (sb->s_op->show_path)
+@@ -187,6 +240,17 @@ static int show_vfsstat(struct seq_file
+ struct super_block *sb = mnt_path.dentry->d_sb;
+ int err = 0;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
++ if (!vx_check(0, VS_ADMIN|VS_WATCH) &&
++ mnt == current->fs->root.mnt) {
++ seq_puts(m, "device /dev/root mounted on / ");
++ goto type;
++ }
++
+ /* device */
+ if (sb->s_op->show_devname) {
+ seq_puts(m, "device ");
+@@ -203,7 +267,7 @@ static int show_vfsstat(struct seq_file
+ seq_puts(m, " mounted on ");
+ seq_path(m, &mnt_path, " \t\n\\");
+ seq_putc(m, ' ');
+-
++type:
+ /* file system type */
+ seq_puts(m, "with fstype ");
+ show_type(m, sb);
+diff -NurpP --minimal linux-3.7.10/fs/quota/dquot.c linux-3.7.10-vs2.3.5.6/fs/quota/dquot.c
+--- linux-3.7.10/fs/quota/dquot.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/quota/dquot.c 2012-12-18 15:13:16.000000000 +0000
+@@ -1582,6 +1582,9 @@ int __dquot_alloc_space(struct inode *in
+ struct dquot **dquots = inode->i_dquot;
+ int reserve = flags & DQUOT_SPACE_RESERVE;
+
++ if ((ret = dl_alloc_space(inode, number)))
++ return ret;
++
+ /*
+ * First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex
+@@ -1637,6 +1640,9 @@ int dquot_alloc_inode(const struct inode
+ struct dquot_warn warn[MAXQUOTAS];
+ struct dquot * const *dquots = inode->i_dquot;
+
++ if ((ret = dl_alloc_inode(inode)))
++ return ret;
++
+ /* First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex */
+ if (!dquot_active(inode))
+@@ -1708,6 +1714,8 @@ void __dquot_free_space(struct inode *in
+ struct dquot **dquots = inode->i_dquot;
+ int reserve = flags & DQUOT_SPACE_RESERVE;
+
++ dl_free_space(inode, number);
++
+ /* First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex */
+ if (!dquot_active(inode)) {
+@@ -1752,6 +1760,8 @@ void dquot_free_inode(const struct inode
+ struct dquot_warn warn[MAXQUOTAS];
+ struct dquot * const *dquots = inode->i_dquot;
+
++ dl_free_inode(inode);
++
+ /* First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex */
+ if (!dquot_active(inode))
+diff -NurpP --minimal linux-3.7.10/fs/quota/quota.c linux-3.7.10-vs2.3.5.6/fs/quota/quota.c
+--- linux-3.7.10/fs/quota/quota.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/quota/quota.c 2012-12-18 15:13:16.000000000 +0000
+@@ -8,6 +8,7 @@
+ #include <linux/fs.h>
+ #include <linux/namei.h>
+ #include <linux/slab.h>
++#include <linux/vs_context.h>
+ #include <asm/current.h>
+ #include <linux/uaccess.h>
+ #include <linux/kernel.h>
+@@ -37,7 +38,7 @@ static int check_quotactl_permission(str
+ break;
+ /*FALLTHROUGH*/
+ default:
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
+ return -EPERM;
+ }
+
+@@ -307,6 +308,46 @@ static int do_quotactl(struct super_bloc
+ }
+ }
+
++#if defined(CONFIG_BLK_DEV_VROOT) || defined(CONFIG_BLK_DEV_VROOT_MODULE)
++
++#include <linux/vroot.h>
++#include <linux/major.h>
++#include <linux/module.h>
++#include <linux/kallsyms.h>
++#include <linux/vserver/debug.h>
++
++static vroot_grb_func *vroot_get_real_bdev = NULL;
++
++static DEFINE_SPINLOCK(vroot_grb_lock);
++
++int register_vroot_grb(vroot_grb_func *func) {
++ int ret = -EBUSY;
++
++ spin_lock(&vroot_grb_lock);
++ if (!vroot_get_real_bdev) {
++ vroot_get_real_bdev = func;
++ ret = 0;
++ }
++ spin_unlock(&vroot_grb_lock);
++ return ret;
++}
++EXPORT_SYMBOL(register_vroot_grb);
++
++int unregister_vroot_grb(vroot_grb_func *func) {
++ int ret = -EINVAL;
++
++ spin_lock(&vroot_grb_lock);
++ if (vroot_get_real_bdev) {
++ vroot_get_real_bdev = NULL;
++ ret = 0;
++ }
++ spin_unlock(&vroot_grb_lock);
++ return ret;
++}
++EXPORT_SYMBOL(unregister_vroot_grb);
++
++#endif
++
+ /* Return 1 if 'cmd' will block on frozen filesystem */
+ static int quotactl_cmd_write(int cmd)
+ {
+@@ -339,6 +380,22 @@ static struct super_block *quotactl_bloc
+ putname(tmp);
+ if (IS_ERR(bdev))
+ return ERR_CAST(bdev);
++#if defined(CONFIG_BLK_DEV_VROOT) || defined(CONFIG_BLK_DEV_VROOT_MODULE)
++ if (bdev && bdev->bd_inode &&
++ imajor(bdev->bd_inode) == VROOT_MAJOR) {
++ struct block_device *bdnew = (void *)-EINVAL;
++
++ if (vroot_get_real_bdev)
++ bdnew = vroot_get_real_bdev(bdev);
++ else
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot_get_real_bdev not set");
++ bdput(bdev);
++ if (IS_ERR(bdnew))
++ return ERR_PTR(PTR_ERR(bdnew));
++ bdev = bdnew;
++ }
++#endif
+ if (quotactl_cmd_write(cmd))
+ sb = get_super_thawed(bdev);
+ else
+diff -NurpP --minimal linux-3.7.10/fs/stat.c linux-3.7.10-vs2.3.5.6/fs/stat.c
+--- linux-3.7.10/fs/stat.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/stat.c 2012-12-18 15:13:16.000000000 +0000
+@@ -26,6 +26,7 @@ void generic_fillattr(struct inode *inod
+ stat->nlink = inode->i_nlink;
+ stat->uid = inode->i_uid;
+ stat->gid = inode->i_gid;
++ stat->tag = inode->i_tag;
+ stat->rdev = inode->i_rdev;
+ stat->size = i_size_read(inode);
+ stat->atime = inode->i_atime;
+diff -NurpP --minimal linux-3.7.10/fs/statfs.c linux-3.7.10-vs2.3.5.6/fs/statfs.c
+--- linux-3.7.10/fs/statfs.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/statfs.c 2012-12-18 15:13:16.000000000 +0000
+@@ -7,6 +7,8 @@
+ #include <linux/statfs.h>
+ #include <linux/security.h>
+ #include <linux/uaccess.h>
++#include <linux/vs_base.h>
++#include <linux/vs_dlimit.h>
+ #include "internal.h"
+
+ static int flags_by_mnt(int mnt_flags)
+@@ -60,6 +62,8 @@ static int statfs_by_dentry(struct dentr
+ retval = dentry->d_sb->s_op->statfs(dentry, buf);
+ if (retval == 0 && buf->f_frsize == 0)
+ buf->f_frsize = buf->f_bsize;
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ vx_vsi_statfs(dentry->d_sb, buf);
+ return retval;
+ }
+
+diff -NurpP --minimal linux-3.7.10/fs/super.c linux-3.7.10-vs2.3.5.6/fs/super.c
+--- linux-3.7.10/fs/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -34,6 +34,8 @@
+ #include <linux/cleancache.h>
+ #include <linux/fsnotify.h>
+ #include <linux/lockdep.h>
++#include <linux/magic.h>
++#include <linux/vs_context.h>
+ #include "internal.h"
+
+
+@@ -1119,6 +1121,13 @@ mount_fs(struct file_system_type *type,
+ WARN_ON(sb->s_bdi == &default_backing_dev_info);
+ sb->s_flags |= MS_BORN;
+
++ error = -EPERM;
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT) &&
++ !sb->s_bdev &&
++ (sb->s_magic != PROC_SUPER_MAGIC) &&
++ (sb->s_magic != DEVPTS_SUPER_MAGIC))
++ goto out_sb;
++
+ error = security_sb_kern_mount(sb, flags, secdata);
+ if (error)
+ goto out_sb;
+diff -NurpP --minimal linux-3.7.10/fs/sysfs/mount.c linux-3.7.10-vs2.3.5.6/fs/sysfs/mount.c
+--- linux-3.7.10/fs/sysfs/mount.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/sysfs/mount.c 2012-12-18 15:13:16.000000000 +0000
+@@ -47,7 +47,7 @@ static int sysfs_fill_super(struct super
+
+ sb->s_blocksize = PAGE_CACHE_SIZE;
+ sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+- sb->s_magic = SYSFS_MAGIC;
++ sb->s_magic = SYSFS_SUPER_MAGIC;
+ sb->s_op = &sysfs_ops;
+ sb->s_time_gran = 1;
+
+diff -NurpP --minimal linux-3.7.10/fs/utimes.c linux-3.7.10-vs2.3.5.6/fs/utimes.c
+--- linux-3.7.10/fs/utimes.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/utimes.c 2012-12-18 15:13:16.000000000 +0000
+@@ -8,6 +8,8 @@
+ #include <linux/stat.h>
+ #include <linux/utime.h>
+ #include <linux/syscalls.h>
++#include <linux/mount.h>
++#include <linux/vs_cowbl.h>
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+
+@@ -52,12 +54,18 @@ static int utimes_common(struct path *pa
+ {
+ int error;
+ struct iattr newattrs;
+- struct inode *inode = path->dentry->d_inode;
++ struct inode *inode;
+
+ error = mnt_want_write(path->mnt);
+ if (error)
+ goto out;
+
++ error = cow_check_and_break(path);
++ if (error)
++ goto mnt_drop_write_and_out;
++
++ inode = path->dentry->d_inode;
++
+ if (times && times[0].tv_nsec == UTIME_NOW &&
+ times[1].tv_nsec == UTIME_NOW)
+ times = NULL;
+diff -NurpP --minimal linux-3.7.10/fs/xattr.c linux-3.7.10-vs2.3.5.6/fs/xattr.c
+--- linux-3.7.10/fs/xattr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xattr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/audit.h>
+ #include <linux/vmalloc.h>
+ #include <linux/posix_acl_xattr.h>
++#include <linux/mount.h>
+
+ #include <asm/uaccess.h>
+
+@@ -52,7 +53,7 @@ xattr_permission(struct inode *inode, co
+ * The trusted.* namespace can only be accessed by privileged users.
+ */
+ if (!strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN)) {
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_FS_TRUSTED))
+ return (mask & MAY_WRITE) ? -EPERM : -ENODATA;
+ return 0;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_dinode.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_dinode.h
+--- linux-3.7.10/fs/xfs/xfs_dinode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_dinode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -51,7 +51,9 @@ typedef struct xfs_dinode {
+ __be32 di_nlink; /* number of links to file */
+ __be16 di_projid_lo; /* lower part of owner's project id */
+ __be16 di_projid_hi; /* higher part owner's project id */
+- __u8 di_pad[6]; /* unused, zeroed space */
++ __u8 di_pad[2]; /* unused, zeroed space */
++ __be16 di_tag; /* context tagging */
++ __be16 di_vflags; /* vserver specific flags */
+ __be16 di_flushiter; /* incremented on flush */
+ xfs_timestamp_t di_atime; /* time last accessed */
+ xfs_timestamp_t di_mtime; /* time last modified */
+@@ -184,6 +186,8 @@ static inline void xfs_dinode_put_rdev(s
+ #define XFS_DIFLAG_EXTSZINHERIT_BIT 12 /* inherit inode extent size */
+ #define XFS_DIFLAG_NODEFRAG_BIT 13 /* do not reorganize/defragment */
+ #define XFS_DIFLAG_FILESTREAM_BIT 14 /* use filestream allocator */
++#define XFS_DIFLAG_IXUNLINK_BIT 15 /* Immutable inver on unlink */
++
+ #define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT)
+ #define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT)
+ #define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT)
+@@ -199,6 +203,7 @@ static inline void xfs_dinode_put_rdev(s
+ #define XFS_DIFLAG_EXTSZINHERIT (1 << XFS_DIFLAG_EXTSZINHERIT_BIT)
+ #define XFS_DIFLAG_NODEFRAG (1 << XFS_DIFLAG_NODEFRAG_BIT)
+ #define XFS_DIFLAG_FILESTREAM (1 << XFS_DIFLAG_FILESTREAM_BIT)
++#define XFS_DIFLAG_IXUNLINK (1 << XFS_DIFLAG_IXUNLINK_BIT)
+
+ #ifdef CONFIG_XFS_RT
+ #define XFS_IS_REALTIME_INODE(ip) ((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME)
+@@ -211,6 +216,10 @@ static inline void xfs_dinode_put_rdev(s
+ XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \
+ XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \
+ XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \
+- XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM)
++ XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM | \
++ XFS_DIFLAG_IXUNLINK)
++
++#define XFS_DIVFLAG_BARRIER 0x01
++#define XFS_DIVFLAG_COW 0x02
+
+ #endif /* __XFS_DINODE_H__ */
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_fs.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_fs.h
+--- linux-3.7.10/fs/xfs/xfs_fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -67,6 +67,9 @@ struct fsxattr {
+ #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
+ #define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
+ #define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
++#define XFS_XFLAG_IXUNLINK 0x00008000 /* immutable invert on unlink */
++#define XFS_XFLAG_BARRIER 0x10000000 /* chroot() barrier */
++#define XFS_XFLAG_COW 0x20000000 /* copy on write mark */
+ #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
+
+ /*
+@@ -302,7 +305,8 @@ typedef struct xfs_bstat {
+ #define bs_projid bs_projid_lo /* (previously just bs_projid) */
+ __u16 bs_forkoff; /* inode fork offset in bytes */
+ __u16 bs_projid_hi; /* higher part of project id */
+- unsigned char bs_pad[10]; /* pad space, unused */
++ unsigned char bs_pad[8]; /* pad space, unused */
++ __u16 bs_tag; /* context tagging */
+ __u32 bs_dmevmask; /* DMIG event mask */
+ __u16 bs_dmstate; /* DMIG state info */
+ __u16 bs_aextents; /* attribute number of extents */
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_ialloc.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ialloc.c
+--- linux-3.7.10/fs/xfs/xfs_ialloc.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ialloc.c 2012-12-18 15:13:16.000000000 +0000
+@@ -37,7 +37,6 @@
+ #include "xfs_error.h"
+ #include "xfs_bmap.h"
+
+-
+ /*
+ * Allocation group level functions.
+ */
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_inode.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_inode.c
+--- linux-3.7.10/fs/xfs/xfs_inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -16,6 +16,7 @@
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+ #include <linux/log2.h>
++#include <linux/vs_tag.h>
+
+ #include "xfs.h"
+ #include "xfs_fs.h"
+@@ -563,15 +564,25 @@ xfs_iformat_btree(
+ STATIC void
+ xfs_dinode_from_disk(
+ xfs_icdinode_t *to,
+- xfs_dinode_t *from)
++ xfs_dinode_t *from,
++ int tagged)
+ {
++ uint32_t uid, gid, tag;
++
+ to->di_magic = be16_to_cpu(from->di_magic);
+ to->di_mode = be16_to_cpu(from->di_mode);
+ to->di_version = from ->di_version;
+ to->di_format = from->di_format;
+ to->di_onlink = be16_to_cpu(from->di_onlink);
+- to->di_uid = be32_to_cpu(from->di_uid);
+- to->di_gid = be32_to_cpu(from->di_gid);
++
++ uid = be32_to_cpu(from->di_uid);
++ gid = be32_to_cpu(from->di_gid);
++ tag = be16_to_cpu(from->di_tag);
++
++ to->di_uid = INOTAG_UID(tagged, uid, gid);
++ to->di_gid = INOTAG_GID(tagged, uid, gid);
++ to->di_tag = INOTAG_TAG(tagged, uid, gid, tag);
++
+ to->di_nlink = be32_to_cpu(from->di_nlink);
+ to->di_projid_lo = be16_to_cpu(from->di_projid_lo);
+ to->di_projid_hi = be16_to_cpu(from->di_projid_hi);
+@@ -593,21 +604,26 @@ xfs_dinode_from_disk(
+ to->di_dmevmask = be32_to_cpu(from->di_dmevmask);
+ to->di_dmstate = be16_to_cpu(from->di_dmstate);
+ to->di_flags = be16_to_cpu(from->di_flags);
++ to->di_vflags = be16_to_cpu(from->di_vflags);
+ to->di_gen = be32_to_cpu(from->di_gen);
+ }
+
+ void
+ xfs_dinode_to_disk(
+ xfs_dinode_t *to,
+- xfs_icdinode_t *from)
++ xfs_icdinode_t *from,
++ int tagged)
+ {
+ to->di_magic = cpu_to_be16(from->di_magic);
+ to->di_mode = cpu_to_be16(from->di_mode);
+ to->di_version = from ->di_version;
+ to->di_format = from->di_format;
+ to->di_onlink = cpu_to_be16(from->di_onlink);
+- to->di_uid = cpu_to_be32(from->di_uid);
+- to->di_gid = cpu_to_be32(from->di_gid);
++
++ to->di_uid = cpu_to_be32(TAGINO_UID(tagged, from->di_uid, from->di_tag));
++ to->di_gid = cpu_to_be32(TAGINO_GID(tagged, from->di_gid, from->di_tag));
++ to->di_tag = cpu_to_be16(TAGINO_TAG(tagged, from->di_tag));
++
+ to->di_nlink = cpu_to_be32(from->di_nlink);
+ to->di_projid_lo = cpu_to_be16(from->di_projid_lo);
+ to->di_projid_hi = cpu_to_be16(from->di_projid_hi);
+@@ -629,12 +645,14 @@ xfs_dinode_to_disk(
+ to->di_dmevmask = cpu_to_be32(from->di_dmevmask);
+ to->di_dmstate = cpu_to_be16(from->di_dmstate);
+ to->di_flags = cpu_to_be16(from->di_flags);
++ to->di_vflags = cpu_to_be16(from->di_vflags);
+ to->di_gen = cpu_to_be32(from->di_gen);
+ }
+
+ STATIC uint
+ _xfs_dic2xflags(
+- __uint16_t di_flags)
++ __uint16_t di_flags,
++ __uint16_t di_vflags)
+ {
+ uint flags = 0;
+
+@@ -645,6 +663,8 @@ _xfs_dic2xflags(
+ flags |= XFS_XFLAG_PREALLOC;
+ if (di_flags & XFS_DIFLAG_IMMUTABLE)
+ flags |= XFS_XFLAG_IMMUTABLE;
++ if (di_flags & XFS_DIFLAG_IXUNLINK)
++ flags |= XFS_XFLAG_IXUNLINK;
+ if (di_flags & XFS_DIFLAG_APPEND)
+ flags |= XFS_XFLAG_APPEND;
+ if (di_flags & XFS_DIFLAG_SYNC)
+@@ -669,6 +689,10 @@ _xfs_dic2xflags(
+ flags |= XFS_XFLAG_FILESTREAM;
+ }
+
++ if (di_vflags & XFS_DIVFLAG_BARRIER)
++ flags |= FS_BARRIER_FL;
++ if (di_vflags & XFS_DIVFLAG_COW)
++ flags |= FS_COW_FL;
+ return flags;
+ }
+
+@@ -678,7 +702,7 @@ xfs_ip2xflags(
+ {
+ xfs_icdinode_t *dic = &ip->i_d;
+
+- return _xfs_dic2xflags(dic->di_flags) |
++ return _xfs_dic2xflags(dic->di_flags, dic->di_vflags) |
+ (XFS_IFORK_Q(ip) ? XFS_XFLAG_HASATTR : 0);
+ }
+
+@@ -686,7 +710,8 @@ uint
+ xfs_dic2xflags(
+ xfs_dinode_t *dip)
+ {
+- return _xfs_dic2xflags(be16_to_cpu(dip->di_flags)) |
++ return _xfs_dic2xflags(be16_to_cpu(dip->di_flags),
++ be16_to_cpu(dip->di_vflags)) |
+ (XFS_DFORK_Q(dip) ? XFS_XFLAG_HASATTR : 0);
+ }
+
+@@ -740,7 +765,8 @@ xfs_iread(
+ * Otherwise, just get the truly permanent information.
+ */
+ if (dip->di_mode) {
+- xfs_dinode_from_disk(&ip->i_d, dip);
++ xfs_dinode_from_disk(&ip->i_d, dip,
++ mp->m_flags & XFS_MOUNT_TAGGED);
+ error = xfs_iformat(ip, dip);
+ if (error) {
+ #ifdef DEBUG
+@@ -927,6 +953,7 @@ xfs_ialloc(
+ ASSERT(ip->i_d.di_nlink == nlink);
+ ip->i_d.di_uid = current_fsuid();
+ ip->i_d.di_gid = current_fsgid();
++ ip->i_d.di_tag = current_fstag(&ip->i_vnode);
+ xfs_set_projid(ip, prid);
+ memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
+
+@@ -986,6 +1013,7 @@ xfs_ialloc(
+ ip->i_d.di_dmevmask = 0;
+ ip->i_d.di_dmstate = 0;
+ ip->i_d.di_flags = 0;
++ ip->i_d.di_vflags = 0;
+ flags = XFS_ILOG_CORE;
+ switch (mode & S_IFMT) {
+ case S_IFIFO:
+@@ -1668,6 +1696,7 @@ xfs_ifree(
+ }
+ ip->i_d.di_mode = 0; /* mark incore inode as free */
+ ip->i_d.di_flags = 0;
++ ip->i_d.di_vflags = 0;
+ ip->i_d.di_dmevmask = 0;
+ ip->i_d.di_forkoff = 0; /* mark the attr fork not in use */
+ ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS;
+@@ -1834,7 +1863,6 @@ xfs_iroot_realloc(
+ return;
+ }
+
+-
+ /*
+ * This is called when the amount of space needed for if_data
+ * is increased or decreased. The change in size is indicated by
+@@ -2522,7 +2550,8 @@ xfs_iflush_int(
+ * because if the inode is dirty at all the core must
+ * be.
+ */
+- xfs_dinode_to_disk(dip, &ip->i_d);
++ xfs_dinode_to_disk(dip, &ip->i_d,
++ mp->m_flags & XFS_MOUNT_TAGGED);
+
+ /* Wrap, we never let the log put out DI_MAX_FLUSH */
+ if (ip->i_d.di_flushiter == DI_MAX_FLUSH)
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_inode.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_inode.h
+--- linux-3.7.10/fs/xfs/xfs_inode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -134,7 +134,9 @@ typedef struct xfs_icdinode {
+ __uint32_t di_nlink; /* number of links to file */
+ __uint16_t di_projid_lo; /* lower part of owner's project id */
+ __uint16_t di_projid_hi; /* higher part of owner's project id */
+- __uint8_t di_pad[6]; /* unused, zeroed space */
++ __uint8_t di_pad[2]; /* unused, zeroed space */
++ __uint16_t di_tag; /* context tagging */
++ __uint16_t di_vflags; /* vserver specific flags */
+ __uint16_t di_flushiter; /* incremented on flush */
+ xfs_ictimestamp_t di_atime; /* time last accessed */
+ xfs_ictimestamp_t di_mtime; /* time last modified */
+@@ -561,7 +563,7 @@ int xfs_imap_to_bp(struct xfs_mount *,
+ int xfs_iread(struct xfs_mount *, struct xfs_trans *,
+ struct xfs_inode *, uint);
+ void xfs_dinode_to_disk(struct xfs_dinode *,
+- struct xfs_icdinode *);
++ struct xfs_icdinode *, int);
+ void xfs_idestroy_fork(struct xfs_inode *, int);
+ void xfs_idata_realloc(struct xfs_inode *, int, int);
+ void xfs_iroot_realloc(struct xfs_inode *, int, int);
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_ioctl.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ioctl.c
+--- linux-3.7.10/fs/xfs/xfs_ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -26,7 +26,7 @@
+ #include "xfs_bmap_btree.h"
+ #include "xfs_dinode.h"
+ #include "xfs_inode.h"
+-#include "xfs_ioctl.h"
++// #include "xfs_ioctl.h"
+ #include "xfs_rtalloc.h"
+ #include "xfs_itable.h"
+ #include "xfs_error.h"
+@@ -762,6 +762,10 @@ xfs_merge_ioc_xflags(
+ xflags |= XFS_XFLAG_IMMUTABLE;
+ else
+ xflags &= ~XFS_XFLAG_IMMUTABLE;
++ if (flags & FS_IXUNLINK_FL)
++ xflags |= XFS_XFLAG_IXUNLINK;
++ else
++ xflags &= ~XFS_XFLAG_IXUNLINK;
+ if (flags & FS_APPEND_FL)
+ xflags |= XFS_XFLAG_APPEND;
+ else
+@@ -790,6 +794,8 @@ xfs_di2lxflags(
+
+ if (di_flags & XFS_DIFLAG_IMMUTABLE)
+ flags |= FS_IMMUTABLE_FL;
++ if (di_flags & XFS_DIFLAG_IXUNLINK)
++ flags |= FS_IXUNLINK_FL;
+ if (di_flags & XFS_DIFLAG_APPEND)
+ flags |= FS_APPEND_FL;
+ if (di_flags & XFS_DIFLAG_SYNC)
+@@ -850,6 +856,8 @@ xfs_set_diflags(
+ di_flags = (ip->i_d.di_flags & XFS_DIFLAG_PREALLOC);
+ if (xflags & XFS_XFLAG_IMMUTABLE)
+ di_flags |= XFS_DIFLAG_IMMUTABLE;
++ if (xflags & XFS_XFLAG_IXUNLINK)
++ di_flags |= XFS_DIFLAG_IXUNLINK;
+ if (xflags & XFS_XFLAG_APPEND)
+ di_flags |= XFS_DIFLAG_APPEND;
+ if (xflags & XFS_XFLAG_SYNC)
+@@ -892,6 +900,10 @@ xfs_diflags_to_linux(
+ inode->i_flags |= S_IMMUTABLE;
+ else
+ inode->i_flags &= ~S_IMMUTABLE;
++ if (xflags & XFS_XFLAG_IXUNLINK)
++ inode->i_flags |= S_IXUNLINK;
++ else
++ inode->i_flags &= ~S_IXUNLINK;
+ if (xflags & XFS_XFLAG_APPEND)
+ inode->i_flags |= S_APPEND;
+ else
+@@ -1396,10 +1408,18 @@ xfs_file_ioctl(
+ case XFS_IOC_FSGETXATTRA:
+ return xfs_ioc_fsgetxattr(ip, 1, arg);
+ case XFS_IOC_FSSETXATTR:
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -XFS_ERROR(EACCES);
++ }
+ return xfs_ioc_fssetxattr(ip, filp, arg);
+ case XFS_IOC_GETXFLAGS:
+ return xfs_ioc_getxflags(ip, arg);
+ case XFS_IOC_SETXFLAGS:
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -XFS_ERROR(EACCES);
++ }
+ return xfs_ioc_setxflags(ip, filp, arg);
+
+ case XFS_IOC_FSSETDM: {
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_ioctl.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ioctl.h
+--- linux-3.7.10/fs/xfs/xfs_ioctl.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ioctl.h 2012-12-18 15:13:16.000000000 +0000
+@@ -70,6 +70,12 @@ xfs_handle_to_dentry(
+ void __user *uhandle,
+ u32 hlen);
+
++extern int
++xfs_sync_flags(
++ struct inode *inode,
++ int flags,
++ int vflags);
++
+ extern long
+ xfs_file_ioctl(
+ struct file *filp,
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_iops.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_iops.c
+--- linux-3.7.10/fs/xfs/xfs_iops.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_iops.c 2012-12-18 15:13:16.000000000 +0000
+@@ -28,6 +28,7 @@
+ #include "xfs_bmap_btree.h"
+ #include "xfs_dinode.h"
+ #include "xfs_inode.h"
++#include "xfs_ioctl.h"
+ #include "xfs_bmap.h"
+ #include "xfs_rtalloc.h"
+ #include "xfs_error.h"
+@@ -46,6 +47,7 @@
+ #include <linux/security.h>
+ #include <linux/fiemap.h>
+ #include <linux/slab.h>
++#include <linux/vs_tag.h>
+
+ static int
+ xfs_initxattrs(
+@@ -421,6 +423,7 @@ xfs_vn_getattr(
+ stat->nlink = ip->i_d.di_nlink;
+ stat->uid = ip->i_d.di_uid;
+ stat->gid = ip->i_d.di_gid;
++ stat->tag = ip->i_d.di_tag;
+ stat->ino = ip->i_ino;
+ stat->atime = inode->i_atime;
+ stat->mtime = inode->i_mtime;
+@@ -1033,6 +1036,7 @@ static const struct inode_operations xfs
+ .listxattr = xfs_vn_listxattr,
+ .fiemap = xfs_vn_fiemap,
+ .update_time = xfs_vn_update_time,
++ .sync_flags = xfs_sync_flags,
+ };
+
+ static const struct inode_operations xfs_dir_inode_operations = {
+@@ -1059,6 +1063,7 @@ static const struct inode_operations xfs
+ .removexattr = generic_removexattr,
+ .listxattr = xfs_vn_listxattr,
+ .update_time = xfs_vn_update_time,
++ .sync_flags = xfs_sync_flags,
+ };
+
+ static const struct inode_operations xfs_dir_ci_inode_operations = {
+@@ -1110,6 +1115,10 @@ xfs_diflags_to_iflags(
+ inode->i_flags |= S_IMMUTABLE;
+ else
+ inode->i_flags &= ~S_IMMUTABLE;
++ if (ip->i_d.di_flags & XFS_DIFLAG_IXUNLINK)
++ inode->i_flags |= S_IXUNLINK;
++ else
++ inode->i_flags &= ~S_IXUNLINK;
+ if (ip->i_d.di_flags & XFS_DIFLAG_APPEND)
+ inode->i_flags |= S_APPEND;
+ else
+@@ -1122,6 +1131,15 @@ xfs_diflags_to_iflags(
+ inode->i_flags |= S_NOATIME;
+ else
+ inode->i_flags &= ~S_NOATIME;
++
++ if (ip->i_d.di_vflags & XFS_DIVFLAG_BARRIER)
++ inode->i_vflags |= V_BARRIER;
++ else
++ inode->i_vflags &= ~V_BARRIER;
++ if (ip->i_d.di_vflags & XFS_DIVFLAG_COW)
++ inode->i_vflags |= V_COW;
++ else
++ inode->i_vflags &= ~V_COW;
+ }
+
+ /*
+@@ -1153,6 +1171,7 @@ xfs_setup_inode(
+ set_nlink(inode, ip->i_d.di_nlink);
+ inode->i_uid = ip->i_d.di_uid;
+ inode->i_gid = ip->i_d.di_gid;
++ inode->i_tag = ip->i_d.di_tag;
+
+ switch (inode->i_mode & S_IFMT) {
+ case S_IFBLK:
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_itable.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_itable.c
+--- linux-3.7.10/fs/xfs/xfs_itable.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_itable.c 2012-12-18 15:13:16.000000000 +0000
+@@ -96,6 +96,7 @@ xfs_bulkstat_one_int(
+ buf->bs_mode = dic->di_mode;
+ buf->bs_uid = dic->di_uid;
+ buf->bs_gid = dic->di_gid;
++ buf->bs_tag = dic->di_tag;
+ buf->bs_size = dic->di_size;
+ buf->bs_atime.tv_sec = dic->di_atime.t_sec;
+ buf->bs_atime.tv_nsec = dic->di_atime.t_nsec;
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_linux.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_linux.h
+--- linux-3.7.10/fs/xfs/xfs_linux.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_linux.h 2012-12-18 15:13:16.000000000 +0000
+@@ -121,6 +121,7 @@
+
+ #define current_cpu() (raw_smp_processor_id())
+ #define current_pid() (current->pid)
++#define current_fstag(vp) (dx_current_fstag((vp)->i_sb))
+ #define current_test_flags(f) (current->flags & (f))
+ #define current_set_flags_nested(sp, f) \
+ (*(sp) = current->flags, current->flags |= (f))
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_log_recover.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_log_recover.c
+--- linux-3.7.10/fs/xfs/xfs_log_recover.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_log_recover.c 2012-12-18 15:13:16.000000000 +0000
+@@ -2359,7 +2359,8 @@ xlog_recover_inode_pass2(
+ }
+
+ /* The core is in in-core format */
+- xfs_dinode_to_disk(dip, item->ri_buf[1].i_addr);
++ xfs_dinode_to_disk(dip, item->ri_buf[1].i_addr,
++ mp->m_flags & XFS_MOUNT_TAGGED);
+
+ /* the rest is in on-disk format */
+ if (item->ri_buf[1].i_len > sizeof(struct xfs_icdinode)) {
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_mount.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_mount.h
+--- linux-3.7.10/fs/xfs/xfs_mount.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_mount.h 2012-12-18 15:13:16.000000000 +0000
+@@ -246,6 +246,7 @@ typedef struct xfs_mount {
+ allocator */
+ #define XFS_MOUNT_NOATTR2 (1ULL << 25) /* disable use of attr2 format */
+
++#define XFS_MOUNT_TAGGED (1ULL << 31) /* context tagging */
+
+ /*
+ * Default minimum read and write sizes.
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_super.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_super.c
+--- linux-3.7.10/fs/xfs/xfs_super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -114,6 +114,9 @@ mempool_t *xfs_ioend_pool;
+ #define MNTOPT_NODELAYLOG "nodelaylog" /* Delayed logging disabled */
+ #define MNTOPT_DISCARD "discard" /* Discard unused blocks */
+ #define MNTOPT_NODISCARD "nodiscard" /* Do not discard unused blocks */
++#define MNTOPT_TAGXID "tagxid" /* context tagging for inodes */
++#define MNTOPT_TAGGED "tag" /* context tagging for inodes */
++#define MNTOPT_NOTAGTAG "notag" /* do not use context tagging */
+
+ /*
+ * Table driven mount option parser.
+@@ -126,6 +129,8 @@ enum {
+ Opt_nobarrier,
+ Opt_inode64,
+ Opt_inode32,
++ Opt_tag,
++ Opt_notag,
+ Opt_err
+ };
+
+@@ -134,6 +139,9 @@ static const match_table_t tokens = {
+ {Opt_nobarrier, "nobarrier"},
+ {Opt_inode64, "inode64"},
+ {Opt_inode32, "inode32"},
++ {Opt_tag, "tagxid"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
+ {Opt_err, NULL}
+ };
+
+@@ -383,6 +391,19 @@ xfs_parseargs(
+ } else if (!strcmp(this_char, "irixsgid")) {
+ xfs_warn(mp,
+ "irixsgid is now a sysctl(2) variable, option is deprecated.");
++#ifndef CONFIG_TAGGING_NONE
++ } else if (!strcmp(this_char, MNTOPT_TAGGED)) {
++ mp->m_flags |= XFS_MOUNT_TAGGED;
++ } else if (!strcmp(this_char, MNTOPT_NOTAGTAG)) {
++ mp->m_flags &= ~XFS_MOUNT_TAGGED;
++ } else if (!strcmp(this_char, MNTOPT_TAGXID)) {
++ mp->m_flags |= XFS_MOUNT_TAGGED;
++#endif
++#ifdef CONFIG_PROPAGATE
++ } else if (!strcmp(this_char, MNTOPT_TAGGED)) {
++ /* use value */
++ mp->m_flags |= XFS_MOUNT_TAGGED;
++#endif
+ } else {
+ xfs_warn(mp, "unknown mount option [%s].", this_char);
+ return EINVAL;
+@@ -1149,6 +1170,16 @@ xfs_fs_remount(
+ case Opt_inode32:
+ mp->m_maxagi = xfs_set_inode32(mp);
+ break;
++ case Opt_tag:
++ if (!(sb->s_flags & MS_TAGGED)) {
++ printk(KERN_INFO
++ "XFS: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ return -EINVAL;
++ }
++ break;
++ case Opt_notag:
++ break;
+ default:
+ /*
+ * Logically we would return an error here to prevent
+@@ -1368,6 +1399,9 @@ xfs_fs_fill_super(
+ if (error)
+ goto out_free_sb;
+
++ if (mp->m_flags & XFS_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ /*
+ * we must configure the block size in the superblock before we run the
+ * full mount process as the mount process can lookup and cache inodes.
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_vnodeops.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_vnodeops.c
+--- linux-3.7.10/fs/xfs/xfs_vnodeops.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_vnodeops.c 2012-12-18 15:13:16.000000000 +0000
+@@ -103,6 +103,77 @@ xfs_readlink_bmap(
+ return error;
+ }
+
++
++STATIC void
++xfs_get_inode_flags(
++ xfs_inode_t *ip)
++{
++ struct inode *inode = VFS_I(ip);
++ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ if (flags & S_IMMUTABLE)
++ ip->i_d.di_flags |= XFS_DIFLAG_IMMUTABLE;
++ else
++ ip->i_d.di_flags &= ~XFS_DIFLAG_IMMUTABLE;
++ if (flags & S_IXUNLINK)
++ ip->i_d.di_flags |= XFS_DIFLAG_IXUNLINK;
++ else
++ ip->i_d.di_flags &= ~XFS_DIFLAG_IXUNLINK;
++
++ if (vflags & V_BARRIER)
++ ip->i_d.di_vflags |= XFS_DIVFLAG_BARRIER;
++ else
++ ip->i_d.di_vflags &= ~XFS_DIVFLAG_BARRIER;
++ if (vflags & V_COW)
++ ip->i_d.di_vflags |= XFS_DIVFLAG_COW;
++ else
++ ip->i_d.di_vflags &= ~XFS_DIVFLAG_COW;
++}
++
++int
++xfs_sync_flags(
++ struct inode *inode,
++ int flags,
++ int vflags)
++{
++ struct xfs_inode *ip = XFS_I(inode);
++ struct xfs_mount *mp = ip->i_mount;
++ struct xfs_trans *tp;
++ unsigned int lock_flags = 0;
++ int code;
++
++ tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
++ code = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), 0, 0, 0);
++ if (code)
++ goto error_out;
++
++ xfs_ilock(ip, XFS_ILOCK_EXCL);
++ xfs_trans_ijoin(tp, ip, 0);
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ xfs_get_inode_flags(ip);
++
++ xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
++ xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
++
++ XFS_STATS_INC(xs_ig_attrchg);
++
++ if (mp->m_flags & XFS_MOUNT_WSYNC)
++ xfs_trans_set_sync(tp);
++ code = xfs_trans_commit(tp, 0);
++ xfs_iunlock(ip, XFS_ILOCK_EXCL);
++ return code;
++
++error_out:
++ xfs_trans_cancel(tp, 0);
++ if (lock_flags)
++ xfs_iunlock(ip, XFS_ILOCK_EXCL);
++ return code;
++}
++
++
+ int
+ xfs_readlink(
+ xfs_inode_t *ip,
+diff -NurpP --minimal linux-3.7.10/include/linux/cred.h linux-3.7.10-vs2.3.5.6/include/linux/cred.h
+--- linux-3.7.10/include/linux/cred.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/cred.h 2012-12-18 15:13:16.000000000 +0000
+@@ -157,6 +157,7 @@ extern void exit_creds(struct task_struc
+ extern int copy_creds(struct task_struct *, unsigned long);
+ extern const struct cred *get_task_cred(struct task_struct *);
+ extern struct cred *cred_alloc_blank(void);
++extern struct cred *__prepare_creds(const struct cred *);
+ extern struct cred *prepare_creds(void);
+ extern struct cred *prepare_exec_creds(void);
+ extern int commit_creds(struct cred *);
+@@ -210,6 +211,31 @@ static inline void validate_process_cred
+ }
+ #endif
+
++static inline void set_cred_subscribers(struct cred *cred, int n)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ atomic_set(&cred->subscribers, n);
++#endif
++}
++
++static inline int read_cred_subscribers(const struct cred *cred)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ return atomic_read(&cred->subscribers);
++#else
++ return 0;
++#endif
++}
++
++static inline void alter_cred_subscribers(const struct cred *_cred, int n)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ struct cred *cred = (struct cred *) _cred;
++
++ atomic_add(n, &cred->subscribers);
++#endif
++}
++
+ /**
+ * get_new_cred - Get a reference on a new set of credentials
+ * @cred: The new credentials to reference
+diff -NurpP --minimal linux-3.7.10/include/linux/devpts_fs.h linux-3.7.10-vs2.3.5.6/include/linux/devpts_fs.h
+--- linux-3.7.10/include/linux/devpts_fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/devpts_fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -45,5 +45,4 @@ static inline void devpts_pty_kill(struc
+
+ #endif
+
+-
+ #endif /* _LINUX_DEVPTS_FS_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/fs.h linux-3.7.10-vs2.3.5.6/include/linux/fs.h
+--- linux-3.7.10/include/linux/fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -210,6 +210,7 @@ typedef void (dio_iodone_t)(struct kiocb
+ #define ATTR_KILL_PRIV (1 << 14)
+ #define ATTR_OPEN (1 << 15) /* Truncating from open(O_TRUNC) */
+ #define ATTR_TIMES_SET (1 << 16)
++#define ATTR_TAG (1 << 17)
+
+ /*
+ * This is the Inode Attributes structure, used for notify_change(). It
+@@ -225,6 +226,7 @@ struct iattr {
+ umode_t ia_mode;
+ kuid_t ia_uid;
+ kgid_t ia_gid;
++ ktag_t ia_tag;
+ loff_t ia_size;
+ struct timespec ia_atime;
+ struct timespec ia_mtime;
+@@ -522,7 +524,9 @@ struct inode {
+ unsigned short i_opflags;
+ kuid_t i_uid;
+ kgid_t i_gid;
+- unsigned int i_flags;
++ ktag_t i_tag;
++ unsigned short i_flags;
++ unsigned short i_vflags;
+
+ #ifdef CONFIG_FS_POSIX_ACL
+ struct posix_acl *i_acl;
+@@ -551,6 +555,7 @@ struct inode {
+ unsigned int __i_nlink;
+ };
+ dev_t i_rdev;
++ dev_t i_mdev;
+ loff_t i_size;
+ struct timespec i_atime;
+ struct timespec i_mtime;
+@@ -701,6 +706,11 @@ static inline gid_t i_gid_read(const str
+ return from_kgid(&init_user_ns, inode->i_gid);
+ }
+
++static inline tag_t i_tag_read(const struct inode *inode)
++{
++ return from_ktag(&init_user_ns, inode->i_tag);
++}
++
+ static inline void i_uid_write(struct inode *inode, uid_t uid)
+ {
+ inode->i_uid = make_kuid(&init_user_ns, uid);
+@@ -711,14 +721,19 @@ static inline void i_gid_write(struct in
+ inode->i_gid = make_kgid(&init_user_ns, gid);
+ }
+
++static inline void i_tag_write(struct inode *inode, tag_t tag)
++{
++ inode->i_tag = make_ktag(&init_user_ns, tag);
++}
++
+ static inline unsigned iminor(const struct inode *inode)
+ {
+- return MINOR(inode->i_rdev);
++ return MINOR(inode->i_mdev);
+ }
+
+ static inline unsigned imajor(const struct inode *inode)
+ {
+- return MAJOR(inode->i_rdev);
++ return MAJOR(inode->i_mdev);
+ }
+
+ extern struct block_device *I_BDEV(struct inode *inode);
+@@ -785,6 +800,7 @@ struct file {
+ loff_t f_pos;
+ struct fown_struct f_owner;
+ const struct cred *f_cred;
++ xid_t f_xid;
+ struct file_ra_state f_ra;
+
+ u64 f_version;
+@@ -936,6 +952,7 @@ struct file_lock {
+ struct file *fl_file;
+ loff_t fl_start;
+ loff_t fl_end;
++ xid_t fl_xid;
+
+ struct fasync_struct * fl_fasync; /* for lease break notifications */
+ /* for lease breaks: */
+@@ -1570,6 +1587,7 @@ struct inode_operations {
+ ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
+ ssize_t (*listxattr) (struct dentry *, char *, size_t);
+ int (*removexattr) (struct dentry *, const char *);
++ int (*sync_flags) (struct inode *, int, int);
+ int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
+ u64 len);
+ int (*update_time)(struct inode *, struct timespec *, int);
+@@ -1584,6 +1602,7 @@ ssize_t rw_copy_check_uvector(int type,
+ unsigned long nr_segs, unsigned long fast_segs,
+ struct iovec *fast_pointer,
+ struct iovec **ret_pointer);
++ssize_t vfs_sendfile(struct file *, struct file *, loff_t *, size_t, loff_t);
+
+ extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
+ extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
+@@ -1637,6 +1656,14 @@ struct super_operations {
+ #define S_IMA 1024 /* Inode has an associated IMA struct */
+ #define S_AUTOMOUNT 2048 /* Automount/referral quasi-directory */
+ #define S_NOSEC 4096 /* no suid or xattr security attributes */
++#define S_IXUNLINK 8192 /* Immutable Invert on unlink */
++
++/* Linux-VServer related Inode flags */
++
++#define V_VALID 1
++#define V_XATTR 2
++#define V_BARRIER 4 /* Barrier for chroot() */
++#define V_COW 8 /* Copy on Write */
+
+ /*
+ * Note that nosuid etc flags are inode-specific: setting some file-system
+@@ -1661,10 +1688,13 @@ struct super_operations {
+ #define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
+ #define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
+ #define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)
++#define IS_TAGGED(inode) __IS_FLG(inode, MS_TAGGED)
+
+ #define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA)
+ #define IS_APPEND(inode) ((inode)->i_flags & S_APPEND)
+ #define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE)
++#define IS_IXUNLINK(inode) ((inode)->i_flags & S_IXUNLINK)
++#define IS_IXORUNLINK(inode) ((IS_IXUNLINK(inode) ? S_IMMUTABLE : 0) ^ IS_IMMUTABLE(inode))
+ #define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL)
+
+ #define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
+@@ -1675,6 +1705,16 @@ struct super_operations {
+ #define IS_AUTOMOUNT(inode) ((inode)->i_flags & S_AUTOMOUNT)
+ #define IS_NOSEC(inode) ((inode)->i_flags & S_NOSEC)
+
++#define IS_BARRIER(inode) (S_ISDIR((inode)->i_mode) && ((inode)->i_vflags & V_BARRIER))
++
++#ifdef CONFIG_VSERVER_COWBL
++# define IS_COW(inode) (IS_IXUNLINK(inode) && IS_IMMUTABLE(inode))
++# define IS_COW_LINK(inode) (S_ISREG((inode)->i_mode) && ((inode)->i_nlink > 1))
++#else
++# define IS_COW(inode) (0)
++# define IS_COW_LINK(inode) (0)
++#endif
++
+ /*
+ * Inode state bits. Protected by inode->i_lock
+ *
+@@ -1900,6 +1940,9 @@ extern int rw_verify_area(int, struct fi
+ extern int locks_mandatory_locked(struct inode *);
+ extern int locks_mandatory_area(int, struct inode *, struct file *, loff_t, size_t);
+
++#define ATTR_FLAG_BARRIER 512 /* Barrier for chroot() */
++#define ATTR_FLAG_IXUNLINK 1024 /* Immutable invert on unlink */
++
+ /*
+ * Candidates for mandatory locking have the setgid bit set
+ * but no group execute bit - an otherwise meaningless combination.
+@@ -2504,6 +2547,7 @@ extern int dcache_dir_open(struct inode
+ extern int dcache_dir_close(struct inode *, struct file *);
+ extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
+ extern int dcache_readdir(struct file *, void *, filldir_t);
++extern int dcache_readdir_filter(struct file *, void *, filldir_t, int (*)(struct dentry *));
+ extern int simple_setattr(struct dentry *, struct iattr *);
+ extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+ extern int simple_statfs(struct dentry *, struct kstatfs *);
+diff -NurpP --minimal linux-3.7.10/include/linux/init_task.h linux-3.7.10-vs2.3.5.6/include/linux/init_task.h
+--- linux-3.7.10/include/linux/init_task.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/init_task.h 2012-12-18 15:13:16.000000000 +0000
+@@ -210,6 +210,10 @@ extern struct task_group root_task_group
+ INIT_TRACE_RECURSION \
+ INIT_TASK_RCU_PREEMPT(tsk) \
+ INIT_CPUSET_SEQ \
++ .xid = 0, \
++ .vx_info = NULL, \
++ .nid = 0, \
++ .nx_info = NULL, \
+ }
+
+
+diff -NurpP --minimal linux-3.7.10/include/linux/ipc.h linux-3.7.10-vs2.3.5.6/include/linux/ipc.h
+--- linux-3.7.10/include/linux/ipc.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/ipc.h 2012-12-18 15:13:16.000000000 +0000
+@@ -16,6 +16,7 @@ struct kern_ipc_perm
+ key_t key;
+ kuid_t uid;
+ kgid_t gid;
++ xid_t xid;
+ kuid_t cuid;
+ kgid_t cgid;
+ umode_t mode;
+diff -NurpP --minimal linux-3.7.10/include/linux/ipc_namespace.h linux-3.7.10-vs2.3.5.6/include/linux/ipc_namespace.h
+--- linux-3.7.10/include/linux/ipc_namespace.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/ipc_namespace.h 2012-12-18 15:13:16.000000000 +0000
+@@ -133,7 +133,8 @@ static inline int mq_init_ns(struct ipc_
+
+ #if defined(CONFIG_IPC_NS)
+ extern struct ipc_namespace *copy_ipcs(unsigned long flags,
+- struct task_struct *tsk);
++ struct ipc_namespace *old_ns,
++ struct user_namespace *user_ns);
+ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
+ {
+ if (ns)
+@@ -144,12 +145,13 @@ static inline struct ipc_namespace *get_
+ extern void put_ipc_ns(struct ipc_namespace *ns);
+ #else
+ static inline struct ipc_namespace *copy_ipcs(unsigned long flags,
+- struct task_struct *tsk)
++ struct ipc_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+ if (flags & CLONE_NEWIPC)
+ return ERR_PTR(-EINVAL);
+
+- return tsk->nsproxy->ipc_ns;
++ return old_ns;
+ }
+
+ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
+diff -NurpP --minimal linux-3.7.10/include/linux/loop.h linux-3.7.10-vs2.3.5.6/include/linux/loop.h
+--- linux-3.7.10/include/linux/loop.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/loop.h 2012-12-18 15:13:16.000000000 +0000
+@@ -41,6 +41,7 @@ struct loop_device {
+ struct loop_func_table *lo_encryption;
+ __u32 lo_init[2];
+ kuid_t lo_key_owner; /* Who set the key */
++ xid_t lo_xid;
+ int (*ioctl)(struct loop_device *, int cmd,
+ unsigned long arg);
+
+diff -NurpP --minimal linux-3.7.10/include/linux/memcontrol.h linux-3.7.10-vs2.3.5.6/include/linux/memcontrol.h
+--- linux-3.7.10/include/linux/memcontrol.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/memcontrol.h 2012-12-18 15:13:16.000000000 +0000
+@@ -83,6 +83,13 @@ extern struct mem_cgroup *try_get_mem_cg
+ extern struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg);
+ extern struct mem_cgroup *mem_cgroup_from_cont(struct cgroup *cont);
+
++extern u64 mem_cgroup_res_read_u64(struct mem_cgroup *mem, int member);
++extern u64 mem_cgroup_memsw_read_u64(struct mem_cgroup *mem, int member);
++
++extern s64 mem_cgroup_stat_read_cache(struct mem_cgroup *mem);
++extern s64 mem_cgroup_stat_read_anon(struct mem_cgroup *mem);
++extern s64 mem_cgroup_stat_read_mapped(struct mem_cgroup *mem);
++
+ static inline
+ bool mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *memcg)
+ {
+diff -NurpP --minimal linux-3.7.10/include/linux/mm_types.h linux-3.7.10-vs2.3.5.6/include/linux/mm_types.h
+--- linux-3.7.10/include/linux/mm_types.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/mm_types.h 2012-12-18 15:13:16.000000000 +0000
+@@ -365,6 +365,7 @@ struct mm_struct {
+
+ /* Architecture-specific MM context */
+ mm_context_t context;
++ struct vx_info *mm_vx_info;
+
+ unsigned long flags; /* Must use atomic bitops to access the bits */
+
+diff -NurpP --minimal linux-3.7.10/include/linux/mmzone.h linux-3.7.10-vs2.3.5.6/include/linux/mmzone.h
+--- linux-3.7.10/include/linux/mmzone.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/mmzone.h 2012-12-18 15:13:16.000000000 +0000
+@@ -735,6 +735,13 @@ typedef struct pglist_data {
+ __pgdat->node_start_pfn + __pgdat->node_spanned_pages;\
+ })
+
++#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
++
++#define node_end_pfn(nid) ({\
++ pg_data_t *__pgdat = NODE_DATA(nid);\
++ __pgdat->node_start_pfn + __pgdat->node_spanned_pages;\
++})
++
+ #include <linux/memory_hotplug.h>
+
+ extern struct mutex zonelists_mutex;
+diff -NurpP --minimal linux-3.7.10/include/linux/mount.h linux-3.7.10-vs2.3.5.6/include/linux/mount.h
+--- linux-3.7.10/include/linux/mount.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/mount.h 2012-12-18 15:13:16.000000000 +0000
+@@ -47,6 +47,9 @@ struct mnt_namespace;
+
+ #define MNT_INTERNAL 0x4000
+
++#define MNT_TAGID 0x10000
++#define MNT_NOTAG 0x20000
++
+ struct vfsmount {
+ struct dentry *mnt_root; /* root of the mounted tree */
+ struct super_block *mnt_sb; /* pointer to superblock */
+diff -NurpP --minimal linux-3.7.10/include/linux/net.h linux-3.7.10-vs2.3.5.6/include/linux/net.h
+--- linux-3.7.10/include/linux/net.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/net.h 2012-12-18 15:13:16.000000000 +0000
+@@ -38,6 +38,7 @@ struct net;
+ #define SOCK_PASSCRED 3
+ #define SOCK_PASSSEC 4
+ #define SOCK_EXTERNALLY_ALLOCATED 5
++#define SOCK_USER_SOCKET 6
+
+ #ifndef ARCH_HAS_SOCKET_TYPES
+ /**
+diff -NurpP --minimal linux-3.7.10/include/linux/netdevice.h linux-3.7.10-vs2.3.5.6/include/linux/netdevice.h
+--- linux-3.7.10/include/linux/netdevice.h 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/netdevice.h 2013-02-19 14:41:41.000000000 +0000
+@@ -1640,6 +1640,7 @@ extern void netdev_resync_ops(struct ne
+
+ extern struct net_device *dev_get_by_index(struct net *net, int ifindex);
+ extern struct net_device *__dev_get_by_index(struct net *net, int ifindex);
++extern struct net_device *dev_get_by_index_real_rcu(struct net *net, int ifindex);
+ extern struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);
+ extern int dev_restart(struct net_device *dev);
+ #ifdef CONFIG_NETPOLL_TRAP
+diff -NurpP --minimal linux-3.7.10/include/linux/nsproxy.h linux-3.7.10-vs2.3.5.6/include/linux/nsproxy.h
+--- linux-3.7.10/include/linux/nsproxy.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/nsproxy.h 2012-12-18 15:13:16.000000000 +0000
+@@ -3,6 +3,7 @@
+
+ #include <linux/spinlock.h>
+ #include <linux/sched.h>
++#include <linux/vserver/debug.h>
+
+ struct mnt_namespace;
+ struct uts_namespace;
+@@ -63,6 +64,7 @@ static inline struct nsproxy *task_nspro
+ }
+
+ int copy_namespaces(unsigned long flags, struct task_struct *tsk);
++struct nsproxy *copy_nsproxy(struct nsproxy *orig);
+ void exit_task_namespaces(struct task_struct *tsk);
+ void switch_task_namespaces(struct task_struct *tsk, struct nsproxy *new);
+ void free_nsproxy(struct nsproxy *ns);
+@@ -70,16 +72,26 @@ int unshare_nsproxy_namespaces(unsigned
+ struct fs_struct *);
+ int __init nsproxy_cache_init(void);
+
+-static inline void put_nsproxy(struct nsproxy *ns)
++#define get_nsproxy(n) __get_nsproxy(n, __FILE__, __LINE__)
++
++static inline void __get_nsproxy(struct nsproxy *ns,
++ const char *_file, int _line)
+ {
+- if (atomic_dec_and_test(&ns->count)) {
+- free_nsproxy(ns);
+- }
++ vxlprintk(VXD_CBIT(space, 0), "get_nsproxy(%p[%u])",
++ ns, atomic_read(&ns->count), _file, _line);
++ atomic_inc(&ns->count);
+ }
+
+-static inline void get_nsproxy(struct nsproxy *ns)
++#define put_nsproxy(n) __put_nsproxy(n, __FILE__, __LINE__)
++
++static inline void __put_nsproxy(struct nsproxy *ns,
++ const char *_file, int _line)
+ {
+- atomic_inc(&ns->count);
++ vxlprintk(VXD_CBIT(space, 0), "put_nsproxy(%p[%u])",
++ ns, atomic_read(&ns->count), _file, _line);
++ if (atomic_dec_and_test(&ns->count)) {
++ free_nsproxy(ns);
++ }
+ }
+
+ #endif
+diff -NurpP --minimal linux-3.7.10/include/linux/pid.h linux-3.7.10-vs2.3.5.6/include/linux/pid.h
+--- linux-3.7.10/include/linux/pid.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/pid.h 2012-12-18 15:13:16.000000000 +0000
+@@ -8,7 +8,8 @@ enum pid_type
+ PIDTYPE_PID,
+ PIDTYPE_PGID,
+ PIDTYPE_SID,
+- PIDTYPE_MAX
++ PIDTYPE_MAX,
++ PIDTYPE_REALPID
+ };
+
+ /*
+@@ -171,6 +172,7 @@ static inline pid_t pid_nr(struct pid *p
+ }
+
+ pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns);
++pid_t pid_unmapped_nr_ns(struct pid *pid, struct pid_namespace *ns);
+ pid_t pid_vnr(struct pid *pid);
+
+ #define do_each_pid_task(pid, type, task) \
+diff -NurpP --minimal linux-3.7.10/include/linux/proc_fs.h linux-3.7.10-vs2.3.5.6/include/linux/proc_fs.h
+--- linux-3.7.10/include/linux/proc_fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/proc_fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -54,6 +54,7 @@ struct proc_dir_entry {
+ nlink_t nlink;
+ kuid_t uid;
+ kgid_t gid;
++ int vx_flags;
+ loff_t size;
+ const struct inode_operations *proc_iops;
+ /*
+@@ -252,12 +253,18 @@ extern const struct proc_ns_operations n
+ extern const struct proc_ns_operations utsns_operations;
+ extern const struct proc_ns_operations ipcns_operations;
+
++struct vx_info;
++struct nx_info;
++
+ union proc_op {
+ int (*proc_get_link)(struct dentry *, struct path *);
+ int (*proc_read)(struct task_struct *task, char *page);
+ int (*proc_show)(struct seq_file *m,
+ struct pid_namespace *ns, struct pid *pid,
+ struct task_struct *task);
++ int (*proc_vs_read)(char *page);
++ int (*proc_vxi_read)(struct vx_info *vxi, char *page);
++ int (*proc_nxi_read)(struct nx_info *nxi, char *page);
+ };
+
+ struct ctl_table_header;
+@@ -265,6 +272,7 @@ struct ctl_table;
+
+ struct proc_inode {
+ struct pid *pid;
++ int vx_flags;
+ int fd;
+ union proc_op op;
+ struct proc_dir_entry *pde;
+diff -NurpP --minimal linux-3.7.10/include/linux/quotaops.h linux-3.7.10-vs2.3.5.6/include/linux/quotaops.h
+--- linux-3.7.10/include/linux/quotaops.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/quotaops.h 2012-12-18 15:13:16.000000000 +0000
+@@ -8,6 +8,7 @@
+ #define _LINUX_QUOTAOPS_
+
+ #include <linux/fs.h>
++#include <linux/vs_dlimit.h>
+
+ #define DQUOT_SPACE_WARN 0x1
+ #define DQUOT_SPACE_RESERVE 0x2
+@@ -205,11 +206,12 @@ static inline void dquot_drop(struct ino
+
+ static inline int dquot_alloc_inode(const struct inode *inode)
+ {
+- return 0;
++ return dl_alloc_inode(inode);
+ }
+
+ static inline void dquot_free_inode(const struct inode *inode)
+ {
++ dl_free_inode(inode);
+ }
+
+ static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
+@@ -220,6 +222,10 @@ static inline int dquot_transfer(struct
+ static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
+ int flags)
+ {
++ int ret = 0;
++
++ if ((ret = dl_alloc_space(inode, number)))
++ return ret;
+ if (!(flags & DQUOT_SPACE_RESERVE))
+ inode_add_bytes(inode, number);
+ return 0;
+@@ -230,6 +236,7 @@ static inline void __dquot_free_space(st
+ {
+ if (!(flags & DQUOT_SPACE_RESERVE))
+ inode_sub_bytes(inode, number);
++ dl_free_space(inode, number);
+ }
+
+ static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
+diff -NurpP --minimal linux-3.7.10/include/linux/sched.h linux-3.7.10-vs2.3.5.6/include/linux/sched.h
+--- linux-3.7.10/include/linux/sched.h 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/sched.h 2013-02-05 01:14:43.000000000 +0000
+@@ -1378,6 +1378,14 @@ struct task_struct {
+ #endif
+ struct seccomp seccomp;
+
++/* vserver context data */
++ struct vx_info *vx_info;
++ struct nx_info *nx_info;
++
++ xid_t xid;
++ nid_t nid;
++ tag_t tag;
++
+ /* Thread group tracking */
+ u32 parent_exec_id;
+ u32 self_exec_id;
+@@ -1627,6 +1635,11 @@ struct pid_namespace;
+ pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,
+ struct pid_namespace *ns);
+
++#include <linux/vserver/base.h>
++#include <linux/vserver/context.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/pid.h>
++
+ static inline pid_t task_pid_nr(struct task_struct *tsk)
+ {
+ return tsk->pid;
+@@ -1640,7 +1653,8 @@ static inline pid_t task_pid_nr_ns(struc
+
+ static inline pid_t task_pid_vnr(struct task_struct *tsk)
+ {
+- return __task_pid_nr_ns(tsk, PIDTYPE_PID, NULL);
++ // return __task_pid_nr_ns(tsk, PIDTYPE_PID, NULL);
++ return vx_map_pid(__task_pid_nr_ns(tsk, PIDTYPE_PID, NULL));
+ }
+
+
+@@ -1653,7 +1667,7 @@ pid_t task_tgid_nr_ns(struct task_struct
+
+ static inline pid_t task_tgid_vnr(struct task_struct *tsk)
+ {
+- return pid_vnr(task_tgid(tsk));
++ return vx_map_tgid(pid_vnr(task_tgid(tsk)));
+ }
+
+
+diff -NurpP --minimal linux-3.7.10/include/linux/shmem_fs.h linux-3.7.10-vs2.3.5.6/include/linux/shmem_fs.h
+--- linux-3.7.10/include/linux/shmem_fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/shmem_fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -9,6 +9,9 @@
+
+ /* inode in-kernel data */
+
++#define TMPFS_SUPER_MAGIC 0x01021994
++
++
+ struct shmem_inode_info {
+ spinlock_t lock;
+ unsigned long flags;
+diff -NurpP --minimal linux-3.7.10/include/linux/stat.h linux-3.7.10-vs2.3.5.6/include/linux/stat.h
+--- linux-3.7.10/include/linux/stat.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/stat.h 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,7 @@ struct kstat {
+ unsigned int nlink;
+ kuid_t uid;
+ kgid_t gid;
++ tag_t tag;
+ dev_t rdev;
+ loff_t size;
+ struct timespec atime;
+diff -NurpP --minimal linux-3.7.10/include/linux/sunrpc/auth.h linux-3.7.10-vs2.3.5.6/include/linux/sunrpc/auth.h
+--- linux-3.7.10/include/linux/sunrpc/auth.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/sunrpc/auth.h 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,7 @@
+ struct auth_cred {
+ uid_t uid;
+ gid_t gid;
++ tag_t tag;
+ struct group_info *group_info;
+ const char *principal;
+ unsigned char machine_cred : 1;
+diff -NurpP --minimal linux-3.7.10/include/linux/sunrpc/clnt.h linux-3.7.10-vs2.3.5.6/include/linux/sunrpc/clnt.h
+--- linux-3.7.10/include/linux/sunrpc/clnt.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/sunrpc/clnt.h 2012-12-18 15:13:16.000000000 +0000
+@@ -49,7 +49,8 @@ struct rpc_clnt {
+ unsigned int cl_softrtry : 1,/* soft timeouts */
+ cl_discrtry : 1,/* disconnect before retry */
+ cl_autobind : 1,/* use getport() */
+- cl_chatty : 1;/* be verbose */
++ cl_chatty : 1,/* be verbose */
++ cl_tag : 1;/* context tagging */
+
+ struct rpc_rtt * cl_rtt; /* RTO estimator data */
+ const struct rpc_timeout *cl_timeout; /* Timeout strategy */
+diff -NurpP --minimal linux-3.7.10/include/linux/sysfs.h linux-3.7.10-vs2.3.5.6/include/linux/sysfs.h
+--- linux-3.7.10/include/linux/sysfs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/sysfs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -19,6 +19,8 @@
+ #include <linux/kobject_ns.h>
+ #include <linux/atomic.h>
+
++#define SYSFS_SUPER_MAGIC 0x62656572
++
+ struct kobject;
+ struct module;
+ enum kobj_ns_type;
+diff -NurpP --minimal linux-3.7.10/include/linux/types.h linux-3.7.10-vs2.3.5.6/include/linux/types.h
+--- linux-3.7.10/include/linux/types.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/types.h 2012-12-18 15:13:16.000000000 +0000
+@@ -32,6 +32,9 @@ typedef __kernel_uid32_t uid_t;
+ typedef __kernel_gid32_t gid_t;
+ typedef __kernel_uid16_t uid16_t;
+ typedef __kernel_gid16_t gid16_t;
++typedef unsigned int xid_t;
++typedef unsigned int nid_t;
++typedef unsigned int tag_t;
+
+ typedef unsigned long uintptr_t;
+
+diff -NurpP --minimal linux-3.7.10/include/linux/uidgid.h linux-3.7.10-vs2.3.5.6/include/linux/uidgid.h
+--- linux-3.7.10/include/linux/uidgid.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/uidgid.h 2012-12-18 15:13:16.000000000 +0000
+@@ -23,13 +23,17 @@ typedef struct {
+ uid_t val;
+ } kuid_t;
+
+-
+ typedef struct {
+ gid_t val;
+ } kgid_t;
+
++typedef struct {
++ tag_t val;
++} ktag_t;
++
+ #define KUIDT_INIT(value) (kuid_t){ value }
+ #define KGIDT_INIT(value) (kgid_t){ value }
++#define KTAGT_INIT(value) (ktag_t){ value }
+
+ static inline uid_t __kuid_val(kuid_t uid)
+ {
+@@ -41,10 +45,16 @@ static inline gid_t __kgid_val(kgid_t gi
+ return gid.val;
+ }
+
++static inline tag_t __ktag_val(ktag_t tag)
++{
++ return tag.val;
++}
++
+ #else
+
+ typedef uid_t kuid_t;
+ typedef gid_t kgid_t;
++typedef tag_t ktag_t;
+
+ static inline uid_t __kuid_val(kuid_t uid)
+ {
+@@ -56,16 +66,24 @@ static inline gid_t __kgid_val(kgid_t gi
+ return gid;
+ }
+
++static inline tag_t __ktag_val(ktag_t tag)
++{
++ return tag;
++}
++
+ #define KUIDT_INIT(value) ((kuid_t) value )
+ #define KGIDT_INIT(value) ((kgid_t) value )
++#define KTAGT_INIT(value) ((ktag_t) value )
+
+ #endif
+
+ #define GLOBAL_ROOT_UID KUIDT_INIT(0)
+ #define GLOBAL_ROOT_GID KGIDT_INIT(0)
++#define GLOBAL_ROOT_TAG KTAGT_INIT(0)
+
+ #define INVALID_UID KUIDT_INIT(-1)
+ #define INVALID_GID KGIDT_INIT(-1)
++#define INVALID_TAG KTAGT_INIT(-1)
+
+ static inline bool uid_eq(kuid_t left, kuid_t right)
+ {
+@@ -77,6 +95,11 @@ static inline bool gid_eq(kgid_t left, k
+ return __kgid_val(left) == __kgid_val(right);
+ }
+
++static inline bool tag_eq(ktag_t left, ktag_t right)
++{
++ return __ktag_val(left) == __ktag_val(right);
++}
++
+ static inline bool uid_gt(kuid_t left, kuid_t right)
+ {
+ return __kuid_val(left) > __kuid_val(right);
+@@ -127,13 +150,21 @@ static inline bool gid_valid(kgid_t gid)
+ return !gid_eq(gid, INVALID_GID);
+ }
+
++static inline bool tag_valid(ktag_t tag)
++{
++ return !tag_eq(tag, INVALID_TAG);
++}
++
+ #ifdef CONFIG_USER_NS
+
+ extern kuid_t make_kuid(struct user_namespace *from, uid_t uid);
+ extern kgid_t make_kgid(struct user_namespace *from, gid_t gid);
++extern krag_t make_ktag(struct user_namespace *from, gid_t gid);
+
+ extern uid_t from_kuid(struct user_namespace *to, kuid_t uid);
+ extern gid_t from_kgid(struct user_namespace *to, kgid_t gid);
++extern tag_t from_ktag(struct user_namespace *to, ktag_t tag);
++
+ extern uid_t from_kuid_munged(struct user_namespace *to, kuid_t uid);
+ extern gid_t from_kgid_munged(struct user_namespace *to, kgid_t gid);
+
+@@ -159,6 +190,11 @@ static inline kgid_t make_kgid(struct us
+ return KGIDT_INIT(gid);
+ }
+
++static inline ktag_t make_ktag(struct user_namespace *from, tag_t tag)
++{
++ return KTAGT_INIT(tag);
++}
++
+ static inline uid_t from_kuid(struct user_namespace *to, kuid_t kuid)
+ {
+ return __kuid_val(kuid);
+@@ -169,6 +205,11 @@ static inline gid_t from_kgid(struct use
+ return __kgid_val(kgid);
+ }
+
++static inline tag_t from_ktag(struct user_namespace *to, ktag_t ktag)
++{
++ return __ktag_val(ktag);
++}
++
+ static inline uid_t from_kuid_munged(struct user_namespace *to, kuid_t kuid)
+ {
+ uid_t uid = from_kuid(to, kuid);
+diff -NurpP --minimal linux-3.7.10/include/linux/utsname.h linux-3.7.10-vs2.3.5.6/include/linux/utsname.h
+--- linux-3.7.10/include/linux/utsname.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/utsname.h 2012-12-18 15:13:16.000000000 +0000
+@@ -33,7 +33,8 @@ static inline void get_uts_ns(struct uts
+ }
+
+ extern struct uts_namespace *copy_utsname(unsigned long flags,
+- struct task_struct *tsk);
++ struct uts_namespace *old_ns,
++ struct user_namespace *user_ns);
+ extern void free_uts_ns(struct kref *kref);
+
+ static inline void put_uts_ns(struct uts_namespace *ns)
+@@ -50,12 +51,13 @@ static inline void put_uts_ns(struct uts
+ }
+
+ static inline struct uts_namespace *copy_utsname(unsigned long flags,
+- struct task_struct *tsk)
++ struct uts_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+ if (flags & CLONE_NEWUTS)
+ return ERR_PTR(-EINVAL);
+
+- return tsk->nsproxy->uts_ns;
++ return old_ns;
+ }
+ #endif
+
+diff -NurpP --minimal linux-3.7.10/include/linux/vroot.h linux-3.7.10-vs2.3.5.6/include/linux/vroot.h
+--- linux-3.7.10/include/linux/vroot.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vroot.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,51 @@
++
++/*
++ * include/linux/vroot.h
++ *
++ * written by Herbert Pötzl, 9/11/2002
++ * ported to 2.6 by Herbert Pötzl, 30/12/2004
++ *
++ * Copyright (C) 2002-2007 by Herbert Pötzl.
++ * Redistribution of this file is permitted under the
++ * GNU General Public License.
++ */
++
++#ifndef _LINUX_VROOT_H
++#define _LINUX_VROOT_H
++
++
++#ifdef __KERNEL__
++
++/* Possible states of device */
++enum {
++ Vr_unbound,
++ Vr_bound,
++};
++
++struct vroot_device {
++ int vr_number;
++ int vr_refcnt;
++
++ struct semaphore vr_ctl_mutex;
++ struct block_device *vr_device;
++ int vr_state;
++};
++
++
++typedef struct block_device *(vroot_grb_func)(struct block_device *);
++
++extern int register_vroot_grb(vroot_grb_func *);
++extern int unregister_vroot_grb(vroot_grb_func *);
++
++#endif /* __KERNEL__ */
++
++#define MAX_VROOT_DEFAULT 8
++
++/*
++ * IOCTL commands --- we will commandeer 0x56 ('V')
++ */
++
++#define VROOT_SET_DEV 0x5600
++#define VROOT_CLR_DEV 0x5601
++
++#endif /* _LINUX_VROOT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_base.h linux-3.7.10-vs2.3.5.6/include/linux/vs_base.h
+--- linux-3.7.10/include/linux/vs_base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_base.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VS_BASE_H
++#define _VS_BASE_H
++
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_context.h linux-3.7.10-vs2.3.5.6/include/linux/vs_context.h
+--- linux-3.7.10/include/linux/vs_context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_context.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,242 @@
++#ifndef _VS_CONTEXT_H
++#define _VS_CONTEXT_H
++
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/context.h"
++#include "vserver/history.h"
++#include "vserver/debug.h"
++
++#include <linux/sched.h>
++
++
++#define get_vx_info(i) __get_vx_info(i, __FILE__, __LINE__, __HERE__)
++
++static inline struct vx_info *__get_vx_info(struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ if (!vxi)
++ return NULL;
++
++ vxlprintk(VXD_CBIT(xid, 2), "get_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_get_vx_info(vxi, _here);
++
++ atomic_inc(&vxi->vx_usecnt);
++ return vxi;
++}
++
++
++extern void free_vx_info(struct vx_info *);
++
++#define put_vx_info(i) __put_vx_info(i, __FILE__, __LINE__, __HERE__)
++
++static inline void __put_vx_info(struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ if (!vxi)
++ return;
++
++ vxlprintk(VXD_CBIT(xid, 2), "put_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_put_vx_info(vxi, _here);
++
++ if (atomic_dec_and_test(&vxi->vx_usecnt))
++ free_vx_info(vxi);
++}
++
++
++#define init_vx_info(p, i) \
++ __init_vx_info(p, i, __FILE__, __LINE__, __HERE__)
++
++static inline void __init_vx_info(struct vx_info **vxp, struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ if (vxi) {
++ vxlprintk(VXD_CBIT(xid, 3),
++ "init_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_init_vx_info(vxi, vxp, _here);
++
++ atomic_inc(&vxi->vx_usecnt);
++ }
++ *vxp = vxi;
++}
++
++
++#define set_vx_info(p, i) \
++ __set_vx_info(p, i, __FILE__, __LINE__, __HERE__)
++
++static inline void __set_vx_info(struct vx_info **vxp, struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ struct vx_info *vxo;
++
++ if (!vxi)
++ return;
++
++ vxlprintk(VXD_CBIT(xid, 3), "set_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_set_vx_info(vxi, vxp, _here);
++
++ atomic_inc(&vxi->vx_usecnt);
++ vxo = xchg(vxp, vxi);
++ BUG_ON(vxo);
++}
++
++
++#define clr_vx_info(p) __clr_vx_info(p, __FILE__, __LINE__, __HERE__)
++
++static inline void __clr_vx_info(struct vx_info **vxp,
++ const char *_file, int _line, void *_here)
++{
++ struct vx_info *vxo;
++
++ vxo = xchg(vxp, NULL);
++ if (!vxo)
++ return;
++
++ vxlprintk(VXD_CBIT(xid, 3), "clr_vx_info(%p[#%d.%d])",
++ vxo, vxo ? vxo->vx_id : 0,
++ vxo ? atomic_read(&vxo->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_clr_vx_info(vxo, vxp, _here);
++
++ if (atomic_dec_and_test(&vxo->vx_usecnt))
++ free_vx_info(vxo);
++}
++
++
++#define claim_vx_info(v, p) \
++ __claim_vx_info(v, p, __FILE__, __LINE__, __HERE__)
++
++static inline void __claim_vx_info(struct vx_info *vxi,
++ struct task_struct *task,
++ const char *_file, int _line, void *_here)
++{
++ vxlprintk(VXD_CBIT(xid, 3), "claim_vx_info(%p[#%d.%d.%d]) %p",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ vxi ? atomic_read(&vxi->vx_tasks) : 0,
++ task, _file, _line);
++ __vxh_claim_vx_info(vxi, task, _here);
++
++ atomic_inc(&vxi->vx_tasks);
++}
++
++
++extern void unhash_vx_info(struct vx_info *);
++
++#define release_vx_info(v, p) \
++ __release_vx_info(v, p, __FILE__, __LINE__, __HERE__)
++
++static inline void __release_vx_info(struct vx_info *vxi,
++ struct task_struct *task,
++ const char *_file, int _line, void *_here)
++{
++ vxlprintk(VXD_CBIT(xid, 3), "release_vx_info(%p[#%d.%d.%d]) %p",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ vxi ? atomic_read(&vxi->vx_tasks) : 0,
++ task, _file, _line);
++ __vxh_release_vx_info(vxi, task, _here);
++
++ might_sleep();
++
++ if (atomic_dec_and_test(&vxi->vx_tasks))
++ unhash_vx_info(vxi);
++}
++
++
++#define task_get_vx_info(p) \
++ __task_get_vx_info(p, __FILE__, __LINE__, __HERE__)
++
++static inline struct vx_info *__task_get_vx_info(struct task_struct *p,
++ const char *_file, int _line, void *_here)
++{
++ struct vx_info *vxi;
++
++ task_lock(p);
++ vxlprintk(VXD_CBIT(xid, 5), "task_get_vx_info(%p)",
++ p, _file, _line);
++ vxi = __get_vx_info(p->vx_info, _file, _line, _here);
++ task_unlock(p);
++ return vxi;
++}
++
++
++static inline void __wakeup_vx_info(struct vx_info *vxi)
++{
++ if (waitqueue_active(&vxi->vx_wait))
++ wake_up_interruptible(&vxi->vx_wait);
++}
++
++
++#define enter_vx_info(v, s) __enter_vx_info(v, s, __FILE__, __LINE__)
++
++static inline void __enter_vx_info(struct vx_info *vxi,
++ struct vx_info_save *vxis, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(xid, 5), "enter_vx_info(%p[#%d],%p) %p[#%d,%p]",
++ vxi, vxi ? vxi->vx_id : 0, vxis, current,
++ current->xid, current->vx_info, _file, _line);
++ vxis->vxi = xchg(&current->vx_info, vxi);
++ vxis->xid = current->xid;
++ current->xid = vxi ? vxi->vx_id : 0;
++}
++
++#define leave_vx_info(s) __leave_vx_info(s, __FILE__, __LINE__)
++
++static inline void __leave_vx_info(struct vx_info_save *vxis,
++ const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(xid, 5), "leave_vx_info(%p[#%d,%p]) %p[#%d,%p]",
++ vxis, vxis->xid, vxis->vxi, current,
++ current->xid, current->vx_info, _file, _line);
++ (void)xchg(&current->vx_info, vxis->vxi);
++ current->xid = vxis->xid;
++}
++
++
++static inline void __enter_vx_admin(struct vx_info_save *vxis)
++{
++ vxis->vxi = xchg(&current->vx_info, NULL);
++ vxis->xid = xchg(&current->xid, (xid_t)0);
++}
++
++static inline void __leave_vx_admin(struct vx_info_save *vxis)
++{
++ (void)xchg(&current->xid, vxis->xid);
++ (void)xchg(&current->vx_info, vxis->vxi);
++}
++
++#define task_is_init(p) \
++ __task_is_init(p, __FILE__, __LINE__, __HERE__)
++
++static inline int __task_is_init(struct task_struct *p,
++ const char *_file, int _line, void *_here)
++{
++ int is_init = is_global_init(p);
++
++ task_lock(p);
++ if (p->vx_info)
++ is_init = p->vx_info->vx_initpid == p->pid;
++ task_unlock(p);
++ return is_init;
++}
++
++extern void exit_vx_info(struct task_struct *, int);
++extern void exit_vx_info_early(struct task_struct *, int);
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_cowbl.h linux-3.7.10-vs2.3.5.6/include/linux/vs_cowbl.h
+--- linux-3.7.10/include/linux/vs_cowbl.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_cowbl.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,48 @@
++#ifndef _VS_COWBL_H
++#define _VS_COWBL_H
++
++#include <linux/fs.h>
++#include <linux/dcache.h>
++#include <linux/namei.h>
++#include <linux/slab.h>
++
++extern struct dentry *cow_break_link(const char *pathname);
++
++static inline int cow_check_and_break(struct path *path)
++{
++ struct inode *inode = path->dentry->d_inode;
++ int error = 0;
++
++ /* do we need this check? */
++ if (IS_RDONLY(inode))
++ return -EROFS;
++
++ if (IS_COW(inode)) {
++ if (IS_COW_LINK(inode)) {
++ struct dentry *new_dentry, *old_dentry = path->dentry;
++ char *pp, *buf;
++
++ buf = kmalloc(PATH_MAX, GFP_KERNEL);
++ if (!buf) {
++ return -ENOMEM;
++ }
++ pp = d_path(path, buf, PATH_MAX);
++ new_dentry = cow_break_link(pp);
++ kfree(buf);
++ if (!IS_ERR(new_dentry)) {
++ path->dentry = new_dentry;
++ dput(old_dentry);
++ } else
++ error = PTR_ERR(new_dentry);
++ } else {
++ inode->i_flags &= ~(S_IXUNLINK | S_IMMUTABLE);
++ inode->i_ctime = CURRENT_TIME;
++ mark_inode_dirty(inode);
++ }
++ }
++ return error;
++}
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_cvirt.h linux-3.7.10-vs2.3.5.6/include/linux/vs_cvirt.h
+--- linux-3.7.10/include/linux/vs_cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_cvirt.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,50 @@
++#ifndef _VS_CVIRT_H
++#define _VS_CVIRT_H
++
++#include "vserver/cvirt.h"
++#include "vserver/context.h"
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
++
++
++static inline void vx_activate_task(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info)) {
++ vx_update_load(vxi);
++ atomic_inc(&vxi->cvirt.nr_running);
++ }
++}
++
++static inline void vx_deactivate_task(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info)) {
++ vx_update_load(vxi);
++ atomic_dec(&vxi->cvirt.nr_running);
++ }
++}
++
++static inline void vx_uninterruptible_inc(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info))
++ atomic_inc(&vxi->cvirt.nr_uninterruptible);
++}
++
++static inline void vx_uninterruptible_dec(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info))
++ atomic_dec(&vxi->cvirt.nr_uninterruptible);
++}
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_device.h linux-3.7.10-vs2.3.5.6/include/linux/vs_device.h
+--- linux-3.7.10/include/linux/vs_device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_device.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,45 @@
++#ifndef _VS_DEVICE_H
++#define _VS_DEVICE_H
++
++#include "vserver/base.h"
++#include "vserver/device.h"
++#include "vserver/debug.h"
++
++
++#ifdef CONFIG_VSERVER_DEVICE
++
++int vs_map_device(struct vx_info *, dev_t, dev_t *, umode_t);
++
++#define vs_device_perm(v, d, m, p) \
++ ((vs_map_device(current_vx_info(), d, NULL, m) & (p)) == (p))
++
++#else
++
++static inline
++int vs_map_device(struct vx_info *vxi,
++ dev_t device, dev_t *target, umode_t mode)
++{
++ if (target)
++ *target = device;
++ return ~0;
++}
++
++#define vs_device_perm(v, d, m, p) ((p) == (p))
++
++#endif
++
++
++#define vs_map_chrdev(d, t, p) \
++ ((vs_map_device(current_vx_info(), d, t, S_IFCHR) & (p)) == (p))
++#define vs_map_blkdev(d, t, p) \
++ ((vs_map_device(current_vx_info(), d, t, S_IFBLK) & (p)) == (p))
++
++#define vs_chrdev_perm(d, p) \
++ vs_device_perm(current_vx_info(), d, S_IFCHR, p)
++#define vs_blkdev_perm(d, p) \
++ vs_device_perm(current_vx_info(), d, S_IFBLK, p)
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_dlimit.h linux-3.7.10-vs2.3.5.6/include/linux/vs_dlimit.h
+--- linux-3.7.10/include/linux/vs_dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_dlimit.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,215 @@
++#ifndef _VS_DLIMIT_H
++#define _VS_DLIMIT_H
++
++#include <linux/fs.h>
++
++#include "vserver/dlimit.h"
++#include "vserver/base.h"
++#include "vserver/debug.h"
++
++
++#define get_dl_info(i) __get_dl_info(i, __FILE__, __LINE__)
++
++static inline struct dl_info *__get_dl_info(struct dl_info *dli,
++ const char *_file, int _line)
++{
++ if (!dli)
++ return NULL;
++ vxlprintk(VXD_CBIT(dlim, 4), "get_dl_info(%p[#%d.%d])",
++ dli, dli ? dli->dl_tag : 0,
++ dli ? atomic_read(&dli->dl_usecnt) : 0,
++ _file, _line);
++ atomic_inc(&dli->dl_usecnt);
++ return dli;
++}
++
++
++#define free_dl_info(i) \
++ call_rcu(&(i)->dl_rcu, rcu_free_dl_info)
++
++#define put_dl_info(i) __put_dl_info(i, __FILE__, __LINE__)
++
++static inline void __put_dl_info(struct dl_info *dli,
++ const char *_file, int _line)
++{
++ if (!dli)
++ return;
++ vxlprintk(VXD_CBIT(dlim, 4), "put_dl_info(%p[#%d.%d])",
++ dli, dli ? dli->dl_tag : 0,
++ dli ? atomic_read(&dli->dl_usecnt) : 0,
++ _file, _line);
++ if (atomic_dec_and_test(&dli->dl_usecnt))
++ free_dl_info(dli);
++}
++
++
++#define __dlimit_char(d) ((d) ? '*' : ' ')
++
++static inline int __dl_alloc_space(struct super_block *sb,
++ tag_t tag, dlsize_t nr, const char *file, int line)
++{
++ struct dl_info *dli = NULL;
++ int ret = 0;
++
++ if (nr == 0)
++ goto out;
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ ret = (dli->dl_space_used + nr > dli->dl_space_total);
++ if (!ret)
++ dli->dl_space_used += nr;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 1),
++ "ALLOC (%p,#%d)%c %lld bytes (%d)",
++ sb, tag, __dlimit_char(dli), (long long)nr,
++ ret, file, line);
++ return ret ? -ENOSPC : 0;
++}
++
++static inline void __dl_free_space(struct super_block *sb,
++ tag_t tag, dlsize_t nr, const char *_file, int _line)
++{
++ struct dl_info *dli = NULL;
++
++ if (nr == 0)
++ goto out;
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ if (dli->dl_space_used > nr)
++ dli->dl_space_used -= nr;
++ else
++ dli->dl_space_used = 0;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 1),
++ "FREE (%p,#%d)%c %lld bytes",
++ sb, tag, __dlimit_char(dli), (long long)nr,
++ _file, _line);
++}
++
++static inline int __dl_alloc_inode(struct super_block *sb,
++ tag_t tag, const char *_file, int _line)
++{
++ struct dl_info *dli;
++ int ret = 0;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ dli->dl_inodes_used++;
++ ret = (dli->dl_inodes_used > dli->dl_inodes_total);
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 0),
++ "ALLOC (%p,#%d)%c inode (%d)",
++ sb, tag, __dlimit_char(dli), ret, _file, _line);
++ return ret ? -ENOSPC : 0;
++}
++
++static inline void __dl_free_inode(struct super_block *sb,
++ tag_t tag, const char *_file, int _line)
++{
++ struct dl_info *dli;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ if (dli->dl_inodes_used > 1)
++ dli->dl_inodes_used--;
++ else
++ dli->dl_inodes_used = 0;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 0),
++ "FREE (%p,#%d)%c inode",
++ sb, tag, __dlimit_char(dli), _file, _line);
++}
++
++static inline void __dl_adjust_block(struct super_block *sb, tag_t tag,
++ unsigned long long *free_blocks, unsigned long long *root_blocks,
++ const char *_file, int _line)
++{
++ struct dl_info *dli;
++ uint64_t broot, bfree;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ return;
++
++ spin_lock(&dli->dl_lock);
++ broot = (dli->dl_space_total -
++ (dli->dl_space_total >> 10) * dli->dl_nrlmult)
++ >> sb->s_blocksize_bits;
++ bfree = (dli->dl_space_total - dli->dl_space_used)
++ >> sb->s_blocksize_bits;
++ spin_unlock(&dli->dl_lock);
++
++ vxlprintk(VXD_CBIT(dlim, 2),
++ "ADJUST: %lld,%lld on %lld,%lld [mult=%d]",
++ (long long)bfree, (long long)broot,
++ *free_blocks, *root_blocks, dli->dl_nrlmult,
++ _file, _line);
++ if (free_blocks) {
++ if (*free_blocks > bfree)
++ *free_blocks = bfree;
++ }
++ if (root_blocks) {
++ if (*root_blocks > broot)
++ *root_blocks = broot;
++ }
++ put_dl_info(dli);
++}
++
++#define dl_prealloc_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_alloc_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_reserve_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_claim_space(in, bytes) (0)
++
++#define dl_release_space(in, bytes) \
++ __dl_free_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_free_space(in, bytes) \
++ __dl_free_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++
++
++#define dl_alloc_inode(in) \
++ __dl_alloc_inode((in)->i_sb, i_tag_read(in), __FILE__, __LINE__ )
++
++#define dl_free_inode(in) \
++ __dl_free_inode((in)->i_sb, i_tag_read(in), __FILE__, __LINE__ )
++
++
++#define dl_adjust_block(sb, tag, fb, rb) \
++ __dl_adjust_block(sb, tag, fb, rb, __FILE__, __LINE__ )
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_inet.h linux-3.7.10-vs2.3.5.6/include/linux/vs_inet.h
+--- linux-3.7.10/include/linux/vs_inet.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_inet.h 2013-01-04 23:27:50.000000000 +0000
+@@ -0,0 +1,364 @@
++#ifndef _VS_INET_H
++#define _VS_INET_H
++
++#include "vserver/base.h"
++#include "vserver/network.h"
++#include "vserver/debug.h"
++
++#define IPI_LOOPBACK htonl(INADDR_LOOPBACK)
++
++#define NXAV4(a) NIPQUAD((a)->ip[0]), NIPQUAD((a)->ip[1]), \
++ NIPQUAD((a)->mask), (a)->type
++#define NXAV4_FMT "[" NIPQUAD_FMT "-" NIPQUAD_FMT "/" NIPQUAD_FMT ":%04x]"
++
++#define NIPQUAD(addr) \
++ ((unsigned char *)&addr)[0], \
++ ((unsigned char *)&addr)[1], \
++ ((unsigned char *)&addr)[2], \
++ ((unsigned char *)&addr)[3]
++
++#define NIPQUAD_FMT "%u.%u.%u.%u"
++
++
++static inline
++int v4_addr_match(struct nx_addr_v4 *nxa, __be32 addr, uint16_t tmask)
++{
++ __be32 ip = nxa->ip[0].s_addr;
++ __be32 mask = nxa->mask.s_addr;
++ __be32 bcast = ip | ~mask;
++ int ret = 0;
++
++ switch (nxa->type & tmask) {
++ case NXA_TYPE_MASK:
++ ret = (ip == (addr & mask));
++ break;
++ case NXA_TYPE_ADDR:
++ ret = 3;
++ if (addr == ip)
++ break;
++ /* fall through to broadcast */
++ case NXA_MOD_BCAST:
++ ret = ((tmask & NXA_MOD_BCAST) && (addr == bcast));
++ break;
++ case NXA_TYPE_RANGE:
++ ret = ((nxa->ip[0].s_addr <= addr) &&
++ (nxa->ip[1].s_addr > addr));
++ break;
++ case NXA_TYPE_ANY:
++ ret = 2;
++ break;
++ }
++
++ vxdprintk(VXD_CBIT(net, 0),
++ "v4_addr_match(%p" NXAV4_FMT "," NIPQUAD_FMT ",%04x) = %d",
++ nxa, NXAV4(nxa), NIPQUAD(addr), tmask, ret);
++ return ret;
++}
++
++static inline
++int v4_addr_in_nx_info(struct nx_info *nxi, __be32 addr, uint16_t tmask)
++{
++ struct nx_addr_v4 *nxa;
++ unsigned long irqflags;
++ int ret = 1;
++
++ if (!nxi)
++ goto out;
++
++ ret = 2;
++ /* allow 127.0.0.1 when remapping lback */
++ if ((tmask & NXA_LOOPBACK) &&
++ (addr == IPI_LOOPBACK) &&
++ nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ goto out;
++ ret = 3;
++ /* check for lback address */
++ if ((tmask & NXA_MOD_LBACK) &&
++ (nxi->v4_lback.s_addr == addr))
++ goto out;
++ ret = 4;
++ /* check for broadcast address */
++ if ((tmask & NXA_MOD_BCAST) &&
++ (nxi->v4_bcast.s_addr == addr))
++ goto out;
++ ret = 5;
++
++ /* check for v4 addresses */
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (nxa = &nxi->v4; nxa; nxa = nxa->next)
++ if (v4_addr_match(nxa, addr, tmask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++out:
++ vxdprintk(VXD_CBIT(net, 0),
++ "v4_addr_in_nx_info(%p[#%u]," NIPQUAD_FMT ",%04x) = %d",
++ nxi, nxi ? nxi->nx_id : 0, NIPQUAD(addr), tmask, ret);
++ return ret;
++}
++
++static inline
++int v4_nx_addr_match(struct nx_addr_v4 *nxa, struct nx_addr_v4 *addr, uint16_t mask)
++{
++ /* FIXME: needs full range checks */
++ return v4_addr_match(nxa, addr->ip[0].s_addr, mask);
++}
++
++static inline
++int v4_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v4 *nxa, uint16_t mask)
++{
++ struct nx_addr_v4 *ptr;
++ unsigned long irqflags;
++ int ret = 1;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (ptr = &nxi->v4; ptr; ptr = ptr->next)
++ if (v4_nx_addr_match(ptr, nxa, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ return ret;
++}
++
++#include <net/inet_sock.h>
++
++/*
++ * Check if a given address matches for a socket
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ */
++static inline
++int v4_sock_addr_match (
++ struct nx_info *nxi,
++ struct inet_sock *inet,
++ __be32 addr)
++{
++ __be32 saddr = inet->inet_rcv_saddr;
++ __be32 bcast = nxi ? nxi->v4_bcast.s_addr : INADDR_BROADCAST;
++
++ if (addr && (saddr == addr || bcast == addr))
++ return 1;
++ if (!saddr)
++ return v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND);
++ return 0;
++}
++
++
++/* inet related checks and helpers */
++
++
++struct in_ifaddr;
++struct net_device;
++struct sock;
++
++#ifdef CONFIG_INET
++
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_sock.h>
++#include <net/inet_timewait_sock.h>
++
++
++int dev_in_nx_info(struct net_device *, struct nx_info *);
++int v4_dev_in_nx_info(struct net_device *, struct nx_info *);
++int nx_v4_addr_conflict(struct nx_info *, struct nx_info *);
++
++
++/*
++ * check if address is covered by socket
++ *
++ * sk: the socket to check against
++ * addr: the address in question (must be != 0)
++ */
++
++static inline
++int __v4_addr_match_socket(const struct sock *sk, struct nx_addr_v4 *nxa)
++{
++ struct nx_info *nxi = sk->sk_nx_info;
++ __be32 saddr = sk_rcv_saddr(sk);
++
++ vxdprintk(VXD_CBIT(net, 5),
++ "__v4_addr_in_socket(%p," NXAV4_FMT ") %p:" NIPQUAD_FMT " %p;%lx",
++ sk, NXAV4(nxa), nxi, NIPQUAD(saddr), sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
++
++ if (saddr) { /* direct address match */
++ return v4_addr_match(nxa, saddr, -1);
++ } else if (nxi) { /* match against nx_info */
++ return v4_nx_addr_in_nx_info(nxi, nxa, -1);
++ } else { /* unrestricted any socket */
++ return 1;
++ }
++}
++
++
++
++static inline
++int nx_dev_visible(struct nx_info *nxi, struct net_device *dev)
++{
++ vxdprintk(VXD_CBIT(net, 1),
++ "nx_dev_visible(%p[#%u],%p " VS_Q("%s") ") %d",
++ nxi, nxi ? nxi->nx_id : 0, dev, dev->name,
++ nxi ? dev_in_nx_info(dev, nxi) : 0);
++
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (dev_in_nx_info(dev, nxi))
++ return 1;
++ return 0;
++}
++
++
++static inline
++int v4_ifa_in_nx_info(struct in_ifaddr *ifa, struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (!ifa)
++ return 0;
++ return v4_addr_in_nx_info(nxi, ifa->ifa_local, NXA_MASK_SHOW);
++}
++
++static inline
++int nx_v4_ifa_visible(struct nx_info *nxi, struct in_ifaddr *ifa)
++{
++ vxdprintk(VXD_CBIT(net, 1), "nx_v4_ifa_visible(%p[#%u],%p) %d",
++ nxi, nxi ? nxi->nx_id : 0, ifa,
++ nxi ? v4_ifa_in_nx_info(ifa, nxi) : 0);
++
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (v4_ifa_in_nx_info(ifa, nxi))
++ return 1;
++ return 0;
++}
++
++
++struct nx_v4_sock_addr {
++ __be32 saddr; /* Address used for validation */
++ __be32 baddr; /* Address used for socket bind */
++};
++
++static inline
++int v4_map_sock_addr(struct inet_sock *inet, struct sockaddr_in *addr,
++ struct nx_v4_sock_addr *nsa)
++{
++ struct sock *sk = &inet->sk;
++ struct nx_info *nxi = sk->sk_nx_info;
++ __be32 saddr = addr->sin_addr.s_addr;
++ __be32 baddr = saddr;
++
++ vxdprintk(VXD_CBIT(net, 3),
++ "inet_bind(%p)* %p,%p;%lx " NIPQUAD_FMT,
++ sk, sk->sk_nx_info, sk->sk_socket,
++ (sk->sk_socket ? sk->sk_socket->flags : 0),
++ NIPQUAD(saddr));
++
++ if (nxi) {
++ if (saddr == INADDR_ANY) {
++ if (nx_info_flags(nxi, NXF_SINGLE_IP, 0))
++ baddr = nxi->v4.ip[0].s_addr;
++ } else if (saddr == IPI_LOOPBACK) {
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ baddr = nxi->v4_lback.s_addr;
++ } else if (!ipv4_is_multicast(saddr) ||
++ !nx_info_ncaps(nxi, NXC_MULTICAST)) {
++ /* normal address bind */
++ if (!v4_addr_in_nx_info(nxi, saddr, NXA_MASK_BIND))
++ return -EADDRNOTAVAIL;
++ }
++ }
++
++ vxdprintk(VXD_CBIT(net, 3),
++ "inet_bind(%p) " NIPQUAD_FMT ", " NIPQUAD_FMT,
++ sk, NIPQUAD(saddr), NIPQUAD(baddr));
++
++ nsa->saddr = saddr;
++ nsa->baddr = baddr;
++ return 0;
++}
++
++static inline
++void v4_set_sock_addr(struct inet_sock *inet, struct nx_v4_sock_addr *nsa)
++{
++ inet->inet_saddr = nsa->baddr;
++ inet->inet_rcv_saddr = nsa->baddr;
++}
++
++
++/*
++ * helper to simplify inet_lookup_listener
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ * saddr: socket address
++ */
++static inline int v4_inet_addr_match (
++ struct nx_info *nxi,
++ __be32 addr,
++ __be32 saddr)
++{
++ if (addr && (saddr == addr))
++ return 1;
++ if (!saddr)
++ return nxi ? v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND) : 1;
++ return 0;
++}
++
++static inline __be32 nx_map_sock_lback(struct nx_info *nxi, __be32 addr)
++{
++ if (nx_info_flags(nxi, NXF_HIDE_LBACK, 0) &&
++ (addr == nxi->v4_lback.s_addr))
++ return IPI_LOOPBACK;
++ return addr;
++}
++
++static inline
++int nx_info_has_v4(struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (NX_IPV4(nxi))
++ return 1;
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ return 1;
++ return 0;
++}
++
++#else /* CONFIG_INET */
++
++static inline
++int nx_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
++
++static inline
++int nx_v4_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
++
++static inline
++int v4_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
++
++static inline
++int nx_info_has_v4(struct nx_info *nxi)
++{
++ return 0;
++}
++
++#endif /* CONFIG_INET */
++
++#define current_nx_info_has_v4() \
++ nx_info_has_v4(current_nx_info())
++
++#else
++// #warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_inet6.h linux-3.7.10-vs2.3.5.6/include/linux/vs_inet6.h
+--- linux-3.7.10/include/linux/vs_inet6.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_inet6.h 2013-01-04 23:27:50.000000000 +0000
+@@ -0,0 +1,257 @@
++#ifndef _VS_INET6_H
++#define _VS_INET6_H
++
++#include "vserver/base.h"
++#include "vserver/network.h"
++#include "vserver/debug.h"
++
++#include <net/ipv6.h>
++
++#define NXAV6(a) &(a)->ip, &(a)->mask, (a)->prefix, (a)->type
++#define NXAV6_FMT "[%pI6/%pI6/%d:%04x]"
++
++
++#ifdef CONFIG_IPV6
++
++static inline
++int v6_addr_match(struct nx_addr_v6 *nxa,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ int ret = 0;
++
++ switch (nxa->type & mask) {
++ case NXA_TYPE_MASK:
++ ret = ipv6_masked_addr_cmp(&nxa->ip, &nxa->mask, addr);
++ break;
++ case NXA_TYPE_ADDR:
++ ret = ipv6_addr_equal(&nxa->ip, addr);
++ break;
++ case NXA_TYPE_ANY:
++ ret = 1;
++ break;
++ }
++ vxdprintk(VXD_CBIT(net, 0),
++ "v6_addr_match(%p" NXAV6_FMT ",%pI6,%04x) = %d",
++ nxa, NXAV6(nxa), addr, mask, ret);
++ return ret;
++}
++
++static inline
++int v6_addr_in_nx_info(struct nx_info *nxi,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ struct nx_addr_v6 *nxa;
++ unsigned long irqflags;
++ int ret = 1;
++
++ if (!nxi)
++ goto out;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (nxa = &nxi->v6; nxa; nxa = nxa->next)
++ if (v6_addr_match(nxa, addr, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++out:
++ vxdprintk(VXD_CBIT(net, 0),
++ "v6_addr_in_nx_info(%p[#%u],%pI6,%04x) = %d",
++ nxi, nxi ? nxi->nx_id : 0, addr, mask, ret);
++ return ret;
++}
++
++static inline
++int v6_nx_addr_match(struct nx_addr_v6 *nxa, struct nx_addr_v6 *addr, uint16_t mask)
++{
++ /* FIXME: needs full range checks */
++ return v6_addr_match(nxa, &addr->ip, mask);
++}
++
++static inline
++int v6_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v6 *nxa, uint16_t mask)
++{
++ struct nx_addr_v6 *ptr;
++ unsigned long irqflags;
++ int ret = 1;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (ptr = &nxi->v6; ptr; ptr = ptr->next)
++ if (v6_nx_addr_match(ptr, nxa, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ return ret;
++}
++
++
++/*
++ * Check if a given address matches for a socket
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ */
++static inline
++int v6_sock_addr_match (
++ struct nx_info *nxi,
++ struct inet_sock *inet,
++ struct in6_addr *addr)
++{
++ struct sock *sk = &inet->sk;
++ struct in6_addr *saddr = inet6_rcv_saddr(sk);
++
++ if (!ipv6_addr_any(addr) &&
++ ipv6_addr_equal(saddr, addr))
++ return 1;
++ if (ipv6_addr_any(saddr))
++ return v6_addr_in_nx_info(nxi, addr, -1);
++ return 0;
++}
++
++/*
++ * check if address is covered by socket
++ *
++ * sk: the socket to check against
++ * addr: the address in question (must be != 0)
++ */
++
++static inline
++int __v6_addr_match_socket(const struct sock *sk, struct nx_addr_v6 *nxa)
++{
++ struct nx_info *nxi = sk->sk_nx_info;
++ struct in6_addr *saddr = inet6_rcv_saddr(sk);
++
++ vxdprintk(VXD_CBIT(net, 5),
++ "__v6_addr_in_socket(%p," NXAV6_FMT ") %p:%pI6 %p;%lx",
++ sk, NXAV6(nxa), nxi, saddr, sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
++
++ if (!ipv6_addr_any(saddr)) { /* direct address match */
++ return v6_addr_match(nxa, saddr, -1);
++ } else if (nxi) { /* match against nx_info */
++ return v6_nx_addr_in_nx_info(nxi, nxa, -1);
++ } else { /* unrestricted any socket */
++ return 1;
++ }
++}
++
++
++/* inet related checks and helpers */
++
++
++struct in_ifaddr;
++struct net_device;
++struct sock;
++
++
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_timewait_sock.h>
++
++
++int dev_in_nx_info(struct net_device *, struct nx_info *);
++int v6_dev_in_nx_info(struct net_device *, struct nx_info *);
++int nx_v6_addr_conflict(struct nx_info *, struct nx_info *);
++
++
++
++static inline
++int v6_ifa_in_nx_info(struct inet6_ifaddr *ifa, struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (!ifa)
++ return 0;
++ return v6_addr_in_nx_info(nxi, &ifa->addr, -1);
++}
++
++static inline
++int nx_v6_ifa_visible(struct nx_info *nxi, struct inet6_ifaddr *ifa)
++{
++ vxdprintk(VXD_CBIT(net, 1), "nx_v6_ifa_visible(%p[#%u],%p) %d",
++ nxi, nxi ? nxi->nx_id : 0, ifa,
++ nxi ? v6_ifa_in_nx_info(ifa, nxi) : 0);
++
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (v6_ifa_in_nx_info(ifa, nxi))
++ return 1;
++ return 0;
++}
++
++
++struct nx_v6_sock_addr {
++ struct in6_addr saddr; /* Address used for validation */
++ struct in6_addr baddr; /* Address used for socket bind */
++};
++
++static inline
++int v6_map_sock_addr(struct inet_sock *inet, struct sockaddr_in6 *addr,
++ struct nx_v6_sock_addr *nsa)
++{
++ // struct sock *sk = &inet->sk;
++ // struct nx_info *nxi = sk->sk_nx_info;
++ struct in6_addr saddr = addr->sin6_addr;
++ struct in6_addr baddr = saddr;
++
++ nsa->saddr = saddr;
++ nsa->baddr = baddr;
++ return 0;
++}
++
++static inline
++void v6_set_sock_addr(struct inet_sock *inet, struct nx_v6_sock_addr *nsa)
++{
++ // struct sock *sk = &inet->sk;
++ // struct in6_addr *saddr = inet6_rcv_saddr(sk);
++
++ // *saddr = nsa->baddr;
++ // inet->inet_saddr = nsa->baddr;
++}
++
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (NX_IPV6(nxi))
++ return 1;
++ return 0;
++}
++
++#else /* CONFIG_IPV6 */
++
++static inline
++int nx_v6_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
++
++
++static inline
++int nx_v6_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
++
++static inline
++int v6_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
++
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ return 0;
++}
++
++#endif /* CONFIG_IPV6 */
++
++#define current_nx_info_has_v6() \
++ nx_info_has_v6(current_nx_info())
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_limit.h linux-3.7.10-vs2.3.5.6/include/linux/vs_limit.h
+--- linux-3.7.10/include/linux/vs_limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_limit.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,140 @@
++#ifndef _VS_LIMIT_H
++#define _VS_LIMIT_H
++
++#include "vserver/limit.h"
++#include "vserver/base.h"
++#include "vserver/context.h"
++#include "vserver/debug.h"
++#include "vserver/context.h"
++#include "vserver/limit_int.h"
++
++
++#define vx_acc_cres(v, d, p, r) \
++ __vx_acc_cres(v, r, d, p, __FILE__, __LINE__)
++
++#define vx_acc_cres_cond(x, d, p, r) \
++ __vx_acc_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
++ r, d, p, __FILE__, __LINE__)
++
++
++#define vx_add_cres(v, a, p, r) \
++ __vx_add_cres(v, r, a, p, __FILE__, __LINE__)
++#define vx_sub_cres(v, a, p, r) vx_add_cres(v, -(a), p, r)
++
++#define vx_add_cres_cond(x, a, p, r) \
++ __vx_add_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
++ r, a, p, __FILE__, __LINE__)
++#define vx_sub_cres_cond(x, a, p, r) vx_add_cres_cond(x, -(a), p, r)
++
++
++/* process and file limits */
++
++#define vx_nproc_inc(p) \
++ vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC)
++
++#define vx_nproc_dec(p) \
++ vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC)
++
++#define vx_files_inc(f) \
++ vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE)
++
++#define vx_files_dec(f) \
++ vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE)
++
++#define vx_locks_inc(l) \
++ vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS)
++
++#define vx_locks_dec(l) \
++ vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS)
++
++#define vx_openfd_inc(f) \
++ vx_acc_cres(current_vx_info(), 1, (void *)(long)(f), VLIMIT_OPENFD)
++
++#define vx_openfd_dec(f) \
++ vx_acc_cres(current_vx_info(),-1, (void *)(long)(f), VLIMIT_OPENFD)
++
++
++#define vx_cres_avail(v, n, r) \
++ __vx_cres_avail(v, r, n, __FILE__, __LINE__)
++
++
++#define vx_nproc_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NPROC)
++
++#define vx_files_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NOFILE)
++
++#define vx_locks_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_LOCKS)
++
++#define vx_openfd_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_OPENFD)
++
++
++/* dentry limits */
++
++#define vx_dentry_inc(d) do { \
++ if ((d)->d_count == 1) \
++ vx_acc_cres(current_vx_info(), 1, d, VLIMIT_DENTRY); \
++ } while (0)
++
++#define vx_dentry_dec(d) do { \
++ if ((d)->d_count == 0) \
++ vx_acc_cres(current_vx_info(),-1, d, VLIMIT_DENTRY); \
++ } while (0)
++
++#define vx_dentry_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_DENTRY)
++
++
++/* socket limits */
++
++#define vx_sock_inc(s) \
++ vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK)
++
++#define vx_sock_dec(s) \
++ vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK)
++
++#define vx_sock_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_NSOCK)
++
++
++/* ipc resource limits */
++
++#define vx_ipcmsg_add(v, u, a) \
++ vx_add_cres(v, a, u, RLIMIT_MSGQUEUE)
++
++#define vx_ipcmsg_sub(v, u, a) \
++ vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE)
++
++#define vx_ipcmsg_avail(v, a) \
++ vx_cres_avail(v, a, RLIMIT_MSGQUEUE)
++
++
++#define vx_ipcshm_add(v, k, a) \
++ vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++
++#define vx_ipcshm_sub(v, k, a) \
++ vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++
++#define vx_ipcshm_avail(v, a) \
++ vx_cres_avail(v, a, VLIMIT_SHMEM)
++
++
++#define vx_semary_inc(a) \
++ vx_acc_cres(current_vx_info(), 1, a, VLIMIT_SEMARY)
++
++#define vx_semary_dec(a) \
++ vx_acc_cres(current_vx_info(), -1, a, VLIMIT_SEMARY)
++
++
++#define vx_nsems_add(a,n) \
++ vx_add_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
++
++#define vx_nsems_sub(a,n) \
++ vx_sub_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_network.h linux-3.7.10-vs2.3.5.6/include/linux/vs_network.h
+--- linux-3.7.10/include/linux/vs_network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_network.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,169 @@
++#ifndef _NX_VS_NETWORK_H
++#define _NX_VS_NETWORK_H
++
++#include "vserver/context.h"
++#include "vserver/network.h"
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
++
++#include <linux/sched.h>
++
++
++#define get_nx_info(i) __get_nx_info(i, __FILE__, __LINE__)
++
++static inline struct nx_info *__get_nx_info(struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ if (!nxi)
++ return NULL;
++
++ vxlprintk(VXD_CBIT(nid, 2), "get_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ atomic_inc(&nxi->nx_usecnt);
++ return nxi;
++}
++
++
++extern void free_nx_info(struct nx_info *);
++
++#define put_nx_info(i) __put_nx_info(i, __FILE__, __LINE__)
++
++static inline void __put_nx_info(struct nx_info *nxi, const char *_file, int _line)
++{
++ if (!nxi)
++ return;
++
++ vxlprintk(VXD_CBIT(nid, 2), "put_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ if (atomic_dec_and_test(&nxi->nx_usecnt))
++ free_nx_info(nxi);
++}
++
++
++#define init_nx_info(p, i) __init_nx_info(p, i, __FILE__, __LINE__)
++
++static inline void __init_nx_info(struct nx_info **nxp, struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ if (nxi) {
++ vxlprintk(VXD_CBIT(nid, 3),
++ "init_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ atomic_inc(&nxi->nx_usecnt);
++ }
++ *nxp = nxi;
++}
++
++
++#define set_nx_info(p, i) __set_nx_info(p, i, __FILE__, __LINE__)
++
++static inline void __set_nx_info(struct nx_info **nxp, struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
++
++ if (!nxi)
++ return;
++
++ vxlprintk(VXD_CBIT(nid, 3), "set_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ atomic_inc(&nxi->nx_usecnt);
++ nxo = xchg(nxp, nxi);
++ BUG_ON(nxo);
++}
++
++#define clr_nx_info(p) __clr_nx_info(p, __FILE__, __LINE__)
++
++static inline void __clr_nx_info(struct nx_info **nxp,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
++
++ nxo = xchg(nxp, NULL);
++ if (!nxo)
++ return;
++
++ vxlprintk(VXD_CBIT(nid, 3), "clr_nx_info(%p[#%d.%d])",
++ nxo, nxo ? nxo->nx_id : 0,
++ nxo ? atomic_read(&nxo->nx_usecnt) : 0,
++ _file, _line);
++
++ if (atomic_dec_and_test(&nxo->nx_usecnt))
++ free_nx_info(nxo);
++}
++
++
++#define claim_nx_info(v, p) __claim_nx_info(v, p, __FILE__, __LINE__)
++
++static inline void __claim_nx_info(struct nx_info *nxi,
++ struct task_struct *task, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(nid, 3), "claim_nx_info(%p[#%d.%d.%d]) %p",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi?atomic_read(&nxi->nx_usecnt):0,
++ nxi?atomic_read(&nxi->nx_tasks):0,
++ task, _file, _line);
++
++ atomic_inc(&nxi->nx_tasks);
++}
++
++
++extern void unhash_nx_info(struct nx_info *);
++
++#define release_nx_info(v, p) __release_nx_info(v, p, __FILE__, __LINE__)
++
++static inline void __release_nx_info(struct nx_info *nxi,
++ struct task_struct *task, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(nid, 3), "release_nx_info(%p[#%d.%d.%d]) %p",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ nxi ? atomic_read(&nxi->nx_tasks) : 0,
++ task, _file, _line);
++
++ might_sleep();
++
++ if (atomic_dec_and_test(&nxi->nx_tasks))
++ unhash_nx_info(nxi);
++}
++
++
++#define task_get_nx_info(i) __task_get_nx_info(i, __FILE__, __LINE__)
++
++static __inline__ struct nx_info *__task_get_nx_info(struct task_struct *p,
++ const char *_file, int _line)
++{
++ struct nx_info *nxi;
++
++ task_lock(p);
++ vxlprintk(VXD_CBIT(nid, 5), "task_get_nx_info(%p)",
++ p, _file, _line);
++ nxi = __get_nx_info(p->nx_info, _file, _line);
++ task_unlock(p);
++ return nxi;
++}
++
++
++static inline void exit_nx_info(struct task_struct *p)
++{
++ if (p->nx_info)
++ release_nx_info(p->nx_info, p);
++}
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_pid.h linux-3.7.10-vs2.3.5.6/include/linux/vs_pid.h
+--- linux-3.7.10/include/linux/vs_pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_pid.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,50 @@
++#ifndef _VS_PID_H
++#define _VS_PID_H
++
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/context.h"
++#include "vserver/debug.h"
++#include "vserver/pid.h"
++#include <linux/pid_namespace.h>
++
++
++#define VXF_FAKE_INIT (VXF_INFO_INIT | VXF_STATE_INIT)
++
++static inline
++int vx_proc_task_visible(struct task_struct *task)
++{
++ if ((task->pid == 1) &&
++ !vx_flags(VXF_FAKE_INIT, VXF_FAKE_INIT))
++ /* show a blend through init */
++ goto visible;
++ if (vx_check(vx_task_xid(task), VS_WATCH | VS_IDENT))
++ goto visible;
++ return 0;
++visible:
++ return 1;
++}
++
++#define find_task_by_real_pid(pid) find_task_by_pid_ns(pid, &init_pid_ns)
++
++
++static inline
++struct task_struct *vx_get_proc_task(struct inode *inode, struct pid *pid)
++{
++ struct task_struct *task = get_pid_task(pid, PIDTYPE_PID);
++
++ if (task && !vx_proc_task_visible(task)) {
++ vxdprintk(VXD_CBIT(misc, 6),
++ "dropping task (get) %p[#%u,%u] for %p[#%u,%u]",
++ task, task->xid, task->pid,
++ current, current->xid, current->pid);
++ put_task_struct(task);
++ task = NULL;
++ }
++ return task;
++}
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_sched.h linux-3.7.10-vs2.3.5.6/include/linux/vs_sched.h
+--- linux-3.7.10/include/linux/vs_sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_sched.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,40 @@
++#ifndef _VS_SCHED_H
++#define _VS_SCHED_H
++
++#include "vserver/base.h"
++#include "vserver/context.h"
++#include "vserver/sched.h"
++
++
++#define MAX_PRIO_BIAS 20
++#define MIN_PRIO_BIAS -20
++
++static inline
++int vx_adjust_prio(struct task_struct *p, int prio, int max_user)
++{
++ struct vx_info *vxi = p->vx_info;
++
++ if (vxi)
++ prio += vx_cpu(vxi, sched_pc).prio_bias;
++ return prio;
++}
++
++static inline void vx_account_user(struct vx_info *vxi,
++ cputime_t cputime, int nice)
++{
++ if (!vxi)
++ return;
++ vx_cpu(vxi, sched_pc).user_ticks += cputime;
++}
++
++static inline void vx_account_system(struct vx_info *vxi,
++ cputime_t cputime, int idle)
++{
++ if (!vxi)
++ return;
++ vx_cpu(vxi, sched_pc).sys_ticks += cputime;
++}
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_socket.h linux-3.7.10-vs2.3.5.6/include/linux/vs_socket.h
+--- linux-3.7.10/include/linux/vs_socket.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_socket.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,67 @@
++#ifndef _VS_SOCKET_H
++#define _VS_SOCKET_H
++
++#include "vserver/debug.h"
++#include "vserver/base.h"
++#include "vserver/cacct.h"
++#include "vserver/context.h"
++#include "vserver/tag.h"
++
++
++/* socket accounting */
++
++#include <linux/socket.h>
++
++static inline int vx_sock_type(int family)
++{
++ switch (family) {
++ case PF_UNSPEC:
++ return VXA_SOCK_UNSPEC;
++ case PF_UNIX:
++ return VXA_SOCK_UNIX;
++ case PF_INET:
++ return VXA_SOCK_INET;
++ case PF_INET6:
++ return VXA_SOCK_INET6;
++ case PF_PACKET:
++ return VXA_SOCK_PACKET;
++ default:
++ return VXA_SOCK_OTHER;
++ }
++}
++
++#define vx_acc_sock(v, f, p, s) \
++ __vx_acc_sock(v, f, p, s, __FILE__, __LINE__)
++
++static inline void __vx_acc_sock(struct vx_info *vxi,
++ int family, int pos, int size, char *file, int line)
++{
++ if (vxi) {
++ int type = vx_sock_type(family);
++
++ atomic_long_inc(&vxi->cacct.sock[type][pos].count);
++ atomic_long_add(size, &vxi->cacct.sock[type][pos].total);
++ }
++}
++
++#define vx_sock_recv(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 0, s)
++#define vx_sock_send(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 1, s)
++#define vx_sock_fail(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 2, s)
++
++
++#define sock_vx_init(s) do { \
++ (s)->sk_xid = 0; \
++ (s)->sk_vx_info = NULL; \
++ } while (0)
++
++#define sock_nx_init(s) do { \
++ (s)->sk_nid = 0; \
++ (s)->sk_nx_info = NULL; \
++ } while (0)
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_tag.h linux-3.7.10-vs2.3.5.6/include/linux/vs_tag.h
+--- linux-3.7.10/include/linux/vs_tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_tag.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VS_TAG_H
++#define _VS_TAG_H
++
++#include <linux/vserver/tag.h>
++
++/* check conditions */
++
++#define DX_ADMIN 0x0001
++#define DX_WATCH 0x0002
++#define DX_HOSTID 0x0008
++
++#define DX_IDENT 0x0010
++
++#define DX_ARG_MASK 0x0010
++
++
++#define dx_task_tag(t) ((t)->tag)
++
++#define dx_current_tag() dx_task_tag(current)
++
++#define dx_check(c, m) __dx_check(dx_current_tag(), c, m)
++
++#define dx_weak_check(c, m) ((m) ? dx_check(c, m) : 1)
++
++
++/*
++ * check current context for ADMIN/WATCH and
++ * optionally against supplied argument
++ */
++static inline int __dx_check(tag_t cid, tag_t id, unsigned int mode)
++{
++ if (mode & DX_ARG_MASK) {
++ if ((mode & DX_IDENT) && (id == cid))
++ return 1;
++ }
++ return (((mode & DX_ADMIN) && (cid == 0)) ||
++ ((mode & DX_WATCH) && (cid == 1)) ||
++ ((mode & DX_HOSTID) && (id == 0)));
++}
++
++struct inode;
++int dx_permission(const struct inode *inode, int mask);
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_time.h linux-3.7.10-vs2.3.5.6/include/linux/vs_time.h
+--- linux-3.7.10/include/linux/vs_time.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_time.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VS_TIME_H
++#define _VS_TIME_H
++
++
++/* time faking stuff */
++
++#ifdef CONFIG_VSERVER_VTIME
++
++extern void vx_adjust_timespec(struct timespec *ts);
++extern int vx_settimeofday(const struct timespec *ts);
++
++#else
++#define vx_adjust_timespec(t) do { } while (0)
++#define vx_settimeofday(t) do_settimeofday(t)
++#endif
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/base.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/base.h
+--- linux-3.7.10/include/linux/vserver/base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/base.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,178 @@
++#ifndef _VSERVER_BASE_H
++#define _VSERVER_BASE_H
++
++
++/* context state changes */
++
++enum {
++ VSC_STARTUP = 1,
++ VSC_SHUTDOWN,
++
++ VSC_NETUP,
++ VSC_NETDOWN,
++};
++
++
++
++#define vx_task_xid(t) ((t)->xid)
++
++#define vx_current_xid() vx_task_xid(current)
++
++#define current_vx_info() (current->vx_info)
++
++
++#define nx_task_nid(t) ((t)->nid)
++
++#define nx_current_nid() nx_task_nid(current)
++
++#define current_nx_info() (current->nx_info)
++
++
++/* generic flag merging */
++
++#define vs_check_flags(v, m, f) (((v) & (m)) ^ (f))
++
++#define vs_mask_flags(v, f, m) (((v) & ~(m)) | ((f) & (m)))
++
++#define vs_mask_mask(v, f, m) (((v) & ~(m)) | ((v) & (f) & (m)))
++
++#define vs_check_bit(v, n) ((v) & (1LL << (n)))
++
++
++/* context flags */
++
++#define __vx_flags(v) ((v) ? (v)->vx_flags : 0)
++
++#define vx_current_flags() __vx_flags(current_vx_info())
++
++#define vx_info_flags(v, m, f) \
++ vs_check_flags(__vx_flags(v), m, f)
++
++#define task_vx_flags(t, m, f) \
++ ((t) && vx_info_flags((t)->vx_info, m, f))
++
++#define vx_flags(m, f) vx_info_flags(current_vx_info(), m, f)
++
++
++/* context caps */
++
++#define __vx_ccaps(v) ((v) ? (v)->vx_ccaps : 0)
++
++#define vx_current_ccaps() __vx_ccaps(current_vx_info())
++
++#define vx_info_ccaps(v, c) (__vx_ccaps(v) & (c))
++
++#define vx_ccaps(c) vx_info_ccaps(current_vx_info(), (c))
++
++
++
++/* network flags */
++
++#define __nx_flags(n) ((n) ? (n)->nx_flags : 0)
++
++#define nx_current_flags() __nx_flags(current_nx_info())
++
++#define nx_info_flags(n, m, f) \
++ vs_check_flags(__nx_flags(n), m, f)
++
++#define task_nx_flags(t, m, f) \
++ ((t) && nx_info_flags((t)->nx_info, m, f))
++
++#define nx_flags(m, f) nx_info_flags(current_nx_info(), m, f)
++
++
++/* network caps */
++
++#define __nx_ncaps(n) ((n) ? (n)->nx_ncaps : 0)
++
++#define nx_current_ncaps() __nx_ncaps(current_nx_info())
++
++#define nx_info_ncaps(n, c) (__nx_ncaps(n) & (c))
++
++#define nx_ncaps(c) nx_info_ncaps(current_nx_info(), c)
++
++
++/* context mask capabilities */
++
++#define __vx_mcaps(v) ((v) ? (v)->vx_ccaps >> 32UL : ~0 )
++
++#define vx_info_mcaps(v, c) (__vx_mcaps(v) & (c))
++
++#define vx_mcaps(c) vx_info_mcaps(current_vx_info(), c)
++
++
++/* context bcap mask */
++
++#define __vx_bcaps(v) ((v)->vx_bcaps)
++
++#define vx_current_bcaps() __vx_bcaps(current_vx_info())
++
++
++/* mask given bcaps */
++
++#define vx_info_mbcaps(v, c) ((v) ? cap_intersect(__vx_bcaps(v), c) : c)
++
++#define vx_mbcaps(c) vx_info_mbcaps(current_vx_info(), c)
++
++
++/* masked cap_bset */
++
++#define vx_info_cap_bset(v) vx_info_mbcaps(v, current->cap_bset)
++
++#define vx_current_cap_bset() vx_info_cap_bset(current_vx_info())
++
++#if 0
++#define vx_info_mbcap(v, b) \
++ (!vx_info_flags(v, VXF_STATE_SETUP, 0) ? \
++ vx_info_bcaps(v, b) : (b))
++
++#define task_vx_mbcap(t, b) \
++ vx_info_mbcap((t)->vx_info, (t)->b)
++
++#define vx_mbcap(b) task_vx_mbcap(current, b)
++#endif
++
++#define vx_cap_raised(v, c, f) cap_raised(vx_info_mbcaps(v, c), f)
++
++#define vx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
++
++#define vx_ns_capable(n, b, c) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
++
++#define nx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && nx_ncaps(c)))
++
++#define vx_task_initpid(t, n) \
++ ((t)->vx_info && \
++ ((t)->vx_info->vx_initpid == (n)))
++
++#define vx_current_initpid(n) vx_task_initpid(current, n)
++
++
++/* context unshare mask */
++
++#define __vx_umask(v) ((v)->vx_umask)
++
++#define vx_current_umask() __vx_umask(current_vx_info())
++
++#define vx_can_unshare(b, f) (capable(b) || \
++ (cap_raised(current_cap(), b) && \
++ !((f) & ~vx_current_umask())))
++
++
++#define __vx_wmask(v) ((v)->vx_wmask)
++
++#define vx_current_wmask() __vx_wmask(current_vx_info())
++
++
++#define __vx_state(v) ((v) ? ((v)->vx_state) : 0)
++
++#define vx_info_state(v, m) (__vx_state(v) & (m))
++
++
++#define __nx_state(n) ((n) ? ((n)->nx_state) : 0)
++
++#define nx_info_state(n, m) (__nx_state(n) & (m))
++
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cacct.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct.h
+--- linux-3.7.10/include/linux/vserver/cacct.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,15 @@
++#ifndef _VSERVER_CACCT_H
++#define _VSERVER_CACCT_H
++
++
++enum sock_acc_field {
++ VXA_SOCK_UNSPEC = 0,
++ VXA_SOCK_UNIX,
++ VXA_SOCK_INET,
++ VXA_SOCK_INET6,
++ VXA_SOCK_PACKET,
++ VXA_SOCK_OTHER,
++ VXA_SOCK_SIZE /* array size */
++};
++
++#endif /* _VSERVER_CACCT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cacct_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_cmd.h
+--- linux-3.7.10/include/linux/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VSERVER_CACCT_CMD_H
++#define _VSERVER_CACCT_CMD_H
++
++
++#include <linux/compiler.h>
++#include <uapi/vserver/cacct_cmd.h>
++
++extern int vc_sock_stat(struct vx_info *, void __user *);
++
++#endif /* _VSERVER_CACCT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cacct_def.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_def.h
+--- linux-3.7.10/include/linux/vserver/cacct_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_def.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,43 @@
++#ifndef _VSERVER_CACCT_DEF_H
++#define _VSERVER_CACCT_DEF_H
++
++#include <asm/atomic.h>
++#include <linux/vserver/cacct.h>
++
++
++struct _vx_sock_acc {
++ atomic_long_t count;
++ atomic_long_t total;
++};
++
++/* context sub struct */
++
++struct _vx_cacct {
++ struct _vx_sock_acc sock[VXA_SOCK_SIZE][3];
++ atomic_t slab[8];
++ atomic_t page[6][8];
++};
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_cacct(struct _vx_cacct *cacct)
++{
++ int i, j;
++
++ printk("\t_vx_cacct:");
++ for (i = 0; i < 6; i++) {
++ struct _vx_sock_acc *ptr = cacct->sock[i];
++
++ printk("\t [%d] =", i);
++ for (j = 0; j < 3; j++) {
++ printk(" [%d] = %8lu, %8lu", j,
++ atomic_long_read(&ptr[j].count),
++ atomic_long_read(&ptr[j].total));
++ }
++ printk("\n");
++ }
++}
++
++#endif
++
++#endif /* _VSERVER_CACCT_DEF_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cacct_int.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_int.h
+--- linux-3.7.10/include/linux/vserver/cacct_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_int.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,17 @@
++#ifndef _VSERVER_CACCT_INT_H
++#define _VSERVER_CACCT_INT_H
++
++static inline
++unsigned long vx_sock_count(struct _vx_cacct *cacct, int type, int pos)
++{
++ return atomic_long_read(&cacct->sock[type][pos].count);
++}
++
++
++static inline
++unsigned long vx_sock_total(struct _vx_cacct *cacct, int type, int pos)
++{
++ return atomic_long_read(&cacct->sock[type][pos].total);
++}
++
++#endif /* _VSERVER_CACCT_INT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/check.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/check.h
+--- linux-3.7.10/include/linux/vserver/check.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/check.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,89 @@
++#ifndef _VSERVER_CHECK_H
++#define _VSERVER_CHECK_H
++
++
++#define MAX_S_CONTEXT 65535 /* Arbitrary limit */
++
++#ifdef CONFIG_VSERVER_DYNAMIC_IDS
++#define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
++#else
++#define MIN_D_CONTEXT 65536
++#endif
++
++/* check conditions */
++
++#define VS_ADMIN 0x0001
++#define VS_WATCH 0x0002
++#define VS_HIDE 0x0004
++#define VS_HOSTID 0x0008
++
++#define VS_IDENT 0x0010
++#define VS_EQUIV 0x0020
++#define VS_PARENT 0x0040
++#define VS_CHILD 0x0080
++
++#define VS_ARG_MASK 0x00F0
++
++#define VS_DYNAMIC 0x0100
++#define VS_STATIC 0x0200
++
++#define VS_ATR_MASK 0x0F00
++
++#ifdef CONFIG_VSERVER_PRIVACY
++#define VS_ADMIN_P (0)
++#define VS_WATCH_P (0)
++#else
++#define VS_ADMIN_P VS_ADMIN
++#define VS_WATCH_P VS_WATCH
++#endif
++
++#define VS_HARDIRQ 0x1000
++#define VS_SOFTIRQ 0x2000
++#define VS_IRQ 0x4000
++
++#define VS_IRQ_MASK 0xF000
++
++#include <linux/hardirq.h>
++
++/*
++ * check current context for ADMIN/WATCH and
++ * optionally against supplied argument
++ */
++static inline int __vs_check(int cid, int id, unsigned int mode)
++{
++ if (mode & VS_ARG_MASK) {
++ if ((mode & VS_IDENT) && (id == cid))
++ return 1;
++ }
++ if (mode & VS_ATR_MASK) {
++ if ((mode & VS_DYNAMIC) &&
++ (id >= MIN_D_CONTEXT) &&
++ (id <= MAX_S_CONTEXT))
++ return 1;
++ if ((mode & VS_STATIC) &&
++ (id > 1) && (id < MIN_D_CONTEXT))
++ return 1;
++ }
++ if (mode & VS_IRQ_MASK) {
++ if ((mode & VS_IRQ) && unlikely(in_interrupt()))
++ return 1;
++ if ((mode & VS_HARDIRQ) && unlikely(in_irq()))
++ return 1;
++ if ((mode & VS_SOFTIRQ) && unlikely(in_softirq()))
++ return 1;
++ }
++ return (((mode & VS_ADMIN) && (cid == 0)) ||
++ ((mode & VS_WATCH) && (cid == 1)) ||
++ ((mode & VS_HOSTID) && (id == 0)));
++}
++
++#define vx_check(c, m) __vs_check(vx_current_xid(), c, (m) | VS_IRQ)
++
++#define vx_weak_check(c, m) ((m) ? vx_check(c, m) : 1)
++
++
++#define nx_check(c, m) __vs_check(nx_current_nid(), c, m)
++
++#define nx_weak_check(c, m) ((m) ? nx_check(c, m) : 1)
++
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/context.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/context.h
+--- linux-3.7.10/include/linux/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/context.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,110 @@
++#ifndef _VSERVER_CONTEXT_H
++#define _VSERVER_CONTEXT_H
++
++
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++#include <uapi/vserver/context.h>
++
++#include "limit_def.h"
++#include "sched_def.h"
++#include "cvirt_def.h"
++#include "cacct_def.h"
++#include "device_def.h"
++
++#define VX_SPACES 2
++
++struct _vx_info_pc {
++ struct _vx_sched_pc sched_pc;
++ struct _vx_cvirt_pc cvirt_pc;
++};
++
++struct _vx_space {
++ unsigned long vx_nsmask; /* assignment mask */
++ struct nsproxy *vx_nsproxy; /* private namespaces */
++ struct fs_struct *vx_fs; /* private namespace fs */
++ const struct cred *vx_cred; /* task credentials */
++};
++
++struct vx_info {
++ struct hlist_node vx_hlist; /* linked list of contexts */
++ xid_t vx_id; /* context id */
++ atomic_t vx_usecnt; /* usage count */
++ atomic_t vx_tasks; /* tasks count */
++ struct vx_info *vx_parent; /* parent context */
++ int vx_state; /* context state */
++
++ struct _vx_space space[VX_SPACES]; /* namespace store */
++
++ uint64_t vx_flags; /* context flags */
++ uint64_t vx_ccaps; /* context caps (vserver) */
++ uint64_t vx_umask; /* unshare mask (guest) */
++ uint64_t vx_wmask; /* warn mask (guest) */
++ kernel_cap_t vx_bcaps; /* bounding caps (system) */
++
++ struct task_struct *vx_reaper; /* guest reaper process */
++ pid_t vx_initpid; /* PID of guest init */
++ int64_t vx_badness_bias; /* OOM points bias */
++
++ struct _vx_limit limit; /* vserver limits */
++ struct _vx_sched sched; /* vserver scheduler */
++ struct _vx_cvirt cvirt; /* virtual/bias stuff */
++ struct _vx_cacct cacct; /* context accounting */
++
++ struct _vx_device dmap; /* default device map targets */
++
++#ifndef CONFIG_SMP
++ struct _vx_info_pc info_pc; /* per cpu data */
++#else
++ struct _vx_info_pc *ptr_pc; /* per cpu array */
++#endif
++
++ wait_queue_head_t vx_wait; /* context exit waitqueue */
++ int reboot_cmd; /* last sys_reboot() cmd */
++ int exit_code; /* last process exit code */
++
++ char vx_name[65]; /* vserver name */
++};
++
++#ifndef CONFIG_SMP
++#define vx_ptr_pc(vxi) (&(vxi)->info_pc)
++#define vx_per_cpu(vxi, v, id) vx_ptr_pc(vxi)->v
++#else
++#define vx_ptr_pc(vxi) ((vxi)->ptr_pc)
++#define vx_per_cpu(vxi, v, id) per_cpu_ptr(vx_ptr_pc(vxi), id)->v
++#endif
++
++#define vx_cpu(vxi, v) vx_per_cpu(vxi, v, smp_processor_id())
++
++
++struct vx_info_save {
++ struct vx_info *vxi;
++ xid_t xid;
++};
++
++
++/* status flags */
++
++#define VXS_HASHED 0x0001
++#define VXS_PAUSED 0x0010
++#define VXS_SHUTDOWN 0x0100
++#define VXS_HELPER 0x1000
++#define VXS_RELEASED 0x8000
++
++
++extern void claim_vx_info(struct vx_info *, struct task_struct *);
++extern void release_vx_info(struct vx_info *, struct task_struct *);
++
++extern struct vx_info *lookup_vx_info(int);
++extern struct vx_info *lookup_or_create_vx_info(int);
++
++extern int get_xid_list(int, unsigned int *, int);
++extern int xid_is_hashed(xid_t);
++
++extern int vx_migrate_task(struct task_struct *, struct vx_info *, int);
++
++extern long vs_state_change(struct vx_info *, unsigned int);
++
++
++#endif /* _VSERVER_CONTEXT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/context_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/context_cmd.h
+--- linux-3.7.10/include/linux/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/context_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,33 @@
++#ifndef _VSERVER_CONTEXT_CMD_H
++#define _VSERVER_CONTEXT_CMD_H
++
++#include <uapi/vserver/context_cmd.h>
++
++extern int vc_task_xid(uint32_t);
++
++extern int vc_vx_info(struct vx_info *, void __user *);
++
++extern int vc_ctx_stat(struct vx_info *, void __user *);
++
++extern int vc_ctx_create(uint32_t, void __user *);
++extern int vc_ctx_migrate(struct vx_info *, void __user *);
++
++extern int vc_get_cflags(struct vx_info *, void __user *);
++extern int vc_set_cflags(struct vx_info *, void __user *);
++
++extern int vc_get_ccaps(struct vx_info *, void __user *);
++extern int vc_set_ccaps(struct vx_info *, void __user *);
++
++extern int vc_get_bcaps(struct vx_info *, void __user *);
++extern int vc_set_bcaps(struct vx_info *, void __user *);
++
++extern int vc_get_umask(struct vx_info *, void __user *);
++extern int vc_set_umask(struct vx_info *, void __user *);
++
++extern int vc_get_wmask(struct vx_info *, void __user *);
++extern int vc_set_wmask(struct vx_info *, void __user *);
++
++extern int vc_get_badness(struct vx_info *, void __user *);
++extern int vc_set_badness(struct vx_info *, void __user *);
++
++#endif /* _VSERVER_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cvirt.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt.h
+--- linux-3.7.10/include/linux/vserver/cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,18 @@
++#ifndef _VSERVER_CVIRT_H
++#define _VSERVER_CVIRT_H
++
++struct timespec;
++
++void vx_vsi_boottime(struct timespec *);
++
++void vx_vsi_uptime(struct timespec *, struct timespec *);
++
++
++struct vx_info;
++
++void vx_update_load(struct vx_info *);
++
++
++int vx_do_syslog(int, char __user *, int);
++
++#endif /* _VSERVER_CVIRT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cvirt_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt_cmd.h
+--- linux-3.7.10/include/linux/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _VSERVER_CVIRT_CMD_H
++#define _VSERVER_CVIRT_CMD_H
++
++
++#include <linux/compiler.h>
++#include <uapi/vserver/cvirt_cmd.h>
++
++extern int vc_set_vhi_name(struct vx_info *, void __user *);
++extern int vc_get_vhi_name(struct vx_info *, void __user *);
++
++extern int vc_virt_stat(struct vx_info *, void __user *);
++
++#endif /* _VSERVER_CVIRT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cvirt_def.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt_def.h
+--- linux-3.7.10/include/linux/vserver/cvirt_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt_def.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,80 @@
++#ifndef _VSERVER_CVIRT_DEF_H
++#define _VSERVER_CVIRT_DEF_H
++
++#include <linux/jiffies.h>
++#include <linux/spinlock.h>
++#include <linux/wait.h>
++#include <linux/time.h>
++#include <asm/atomic.h>
++
++
++struct _vx_usage_stat {
++ uint64_t user;
++ uint64_t nice;
++ uint64_t system;
++ uint64_t softirq;
++ uint64_t irq;
++ uint64_t idle;
++ uint64_t iowait;
++};
++
++struct _vx_syslog {
++ wait_queue_head_t log_wait;
++ spinlock_t logbuf_lock; /* lock for the log buffer */
++
++ unsigned long log_start; /* next char to be read by syslog() */
++ unsigned long con_start; /* next char to be sent to consoles */
++ unsigned long log_end; /* most-recently-written-char + 1 */
++ unsigned long logged_chars; /* #chars since last read+clear operation */
++
++ char log_buf[1024];
++};
++
++
++/* context sub struct */
++
++struct _vx_cvirt {
++ atomic_t nr_threads; /* number of current threads */
++ atomic_t nr_running; /* number of running threads */
++ atomic_t nr_uninterruptible; /* number of uninterruptible threads */
++
++ atomic_t nr_onhold; /* processes on hold */
++ uint32_t onhold_last; /* jiffies when put on hold */
++
++ struct timespec bias_ts; /* time offset to the host */
++ struct timespec bias_idle;
++ struct timespec bias_uptime; /* context creation point */
++ uint64_t bias_clock; /* offset in clock_t */
++
++ spinlock_t load_lock; /* lock for the load averages */
++ atomic_t load_updates; /* nr of load updates done so far */
++ uint32_t load_last; /* last time load was calculated */
++ uint32_t load[3]; /* load averages 1,5,15 */
++
++ atomic_t total_forks; /* number of forks so far */
++
++ struct _vx_syslog syslog;
++};
++
++struct _vx_cvirt_pc {
++ struct _vx_usage_stat cpustat;
++};
++
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_cvirt(struct _vx_cvirt *cvirt)
++{
++ printk("\t_vx_cvirt:\n");
++ printk("\t threads: %4d, %4d, %4d, %4d\n",
++ atomic_read(&cvirt->nr_threads),
++ atomic_read(&cvirt->nr_running),
++ atomic_read(&cvirt->nr_uninterruptible),
++ atomic_read(&cvirt->nr_onhold));
++ /* add rest here */
++ printk("\t total_forks = %d\n", atomic_read(&cvirt->total_forks));
++}
++
++#endif
++
++#endif /* _VSERVER_CVIRT_DEF_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/debug.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/debug.h
+--- linux-3.7.10/include/linux/vserver/debug.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/debug.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,145 @@
++#ifndef _VSERVER_DEBUG_H
++#define _VSERVER_DEBUG_H
++
++
++#define VXD_CBIT(n, m) (vs_debug_ ## n & (1 << (m)))
++#define VXD_CMIN(n, m) (vs_debug_ ## n > (m))
++#define VXD_MASK(n, m) (vs_debug_ ## n & (m))
++
++#define VXD_DEV(d) (d), (d)->bd_inode->i_ino, \
++ imajor((d)->bd_inode), iminor((d)->bd_inode)
++#define VXF_DEV "%p[%lu,%d:%d]"
++
++#if defined(CONFIG_QUOTES_UTF8)
++#define VS_Q_LQM "\xc2\xbb"
++#define VS_Q_RQM "\xc2\xab"
++#elif defined(CONFIG_QUOTES_ASCII)
++#define VS_Q_LQM "\x27"
++#define VS_Q_RQM "\x27"
++#else
++#define VS_Q_LQM "\xbb"
++#define VS_Q_RQM "\xab"
++#endif
++
++#define VS_Q(f) VS_Q_LQM f VS_Q_RQM
++
++
++#define vxd_path(p) \
++ ({ static char _buffer[PATH_MAX]; \
++ d_path(p, _buffer, sizeof(_buffer)); })
++
++#define vxd_cond_path(n) \
++ ((n) ? vxd_path(&(n)->path) : "<null>" )
++
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++extern unsigned int vs_debug_switch;
++extern unsigned int vs_debug_xid;
++extern unsigned int vs_debug_nid;
++extern unsigned int vs_debug_tag;
++extern unsigned int vs_debug_net;
++extern unsigned int vs_debug_limit;
++extern unsigned int vs_debug_cres;
++extern unsigned int vs_debug_dlim;
++extern unsigned int vs_debug_quota;
++extern unsigned int vs_debug_cvirt;
++extern unsigned int vs_debug_space;
++extern unsigned int vs_debug_perm;
++extern unsigned int vs_debug_misc;
++
++
++#define VX_LOGLEVEL "vxD: "
++#define VX_PROC_FMT "%p: "
++#define VX_PROCESS current
++
++#define vxdprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL VX_PROC_FMT f "\n", \
++ VX_PROCESS , ##x); \
++ } while (0)
++
++#define vxlprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " @%s:%d\n", x); \
++ } while (0)
++
++#define vxfprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
++ } while (0)
++
++
++struct vx_info;
++
++void dump_vx_info(struct vx_info *, int);
++void dump_vx_info_inactive(int);
++
++#else /* CONFIG_VSERVER_DEBUG */
++
++#define vs_debug_switch 0
++#define vs_debug_xid 0
++#define vs_debug_nid 0
++#define vs_debug_tag 0
++#define vs_debug_net 0
++#define vs_debug_limit 0
++#define vs_debug_cres 0
++#define vs_debug_dlim 0
++#define vs_debug_quota 0
++#define vs_debug_cvirt 0
++#define vs_debug_space 0
++#define vs_debug_perm 0
++#define vs_debug_misc 0
++
++#define vxdprintk(x...) do { } while (0)
++#define vxlprintk(x...) do { } while (0)
++#define vxfprintk(x...) do { } while (0)
++
++#endif /* CONFIG_VSERVER_DEBUG */
++
++
++#ifdef CONFIG_VSERVER_WARN
++
++#define VX_WARNLEVEL KERN_WARNING "vxW: "
++#define VX_WARN_TASK "[" VS_Q("%s") ",%u:#%u|%u|%u] "
++#define VX_WARN_XID "[xid #%u] "
++#define VX_WARN_NID "[nid #%u] "
++#define VX_WARN_TAG "[tag #%u] "
++
++#define vxwprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_WARNLEVEL f "\n", ##x); \
++ } while (0)
++
++#else /* CONFIG_VSERVER_WARN */
++
++#define vxwprintk(x...) do { } while (0)
++
++#endif /* CONFIG_VSERVER_WARN */
++
++#define vxwprintk_task(c, f, x...) \
++ vxwprintk(c, VX_WARN_TASK f, \
++ current->comm, current->pid, \
++ current->xid, current->nid, current->tag, ##x)
++#define vxwprintk_xid(c, f, x...) \
++ vxwprintk(c, VX_WARN_XID f, current->xid, x)
++#define vxwprintk_nid(c, f, x...) \
++ vxwprintk(c, VX_WARN_NID f, current->nid, x)
++#define vxwprintk_tag(c, f, x...) \
++ vxwprintk(c, VX_WARN_TAG f, current->tag, x)
++
++#ifdef CONFIG_VSERVER_DEBUG
++#define vxd_assert_lock(l) assert_spin_locked(l)
++#define vxd_assert(c, f, x...) vxlprintk(!(c), \
++ "assertion [" f "] failed.", ##x, __FILE__, __LINE__)
++#else
++#define vxd_assert_lock(l) do { } while (0)
++#define vxd_assert(c, f, x...) do { } while (0)
++#endif
++
++
++#endif /* _VSERVER_DEBUG_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/debug_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/debug_cmd.h
+--- linux-3.7.10/include/linux/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/debug_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,37 @@
++#ifndef _VSERVER_DEBUG_CMD_H
++#define _VSERVER_DEBUG_CMD_H
++
++#include <uapi/vserver/debug_cmd.h>
++
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_read_history_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
++};
++
++struct vcmd_read_monitor_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
++};
++
++#endif /* CONFIG_COMPAT */
++
++extern int vc_dump_history(uint32_t);
++
++extern int vc_read_history(uint32_t, void __user *);
++extern int vc_read_monitor(uint32_t, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_read_history_x32(uint32_t, void __user *);
++extern int vc_read_monitor_x32(uint32_t, void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* _VSERVER_DEBUG_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/device.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/device.h
+--- linux-3.7.10/include/linux/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/device.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,9 @@
++#ifndef _VSERVER_DEVICE_H
++#define _VSERVER_DEVICE_H
++
++
++#include <uapi/vserver/device.h>
++
++#else /* _VSERVER_DEVICE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_DEVICE_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/device_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/device_cmd.h
+--- linux-3.7.10/include/linux/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/device_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,31 @@
++#ifndef _VSERVER_DEVICE_CMD_H
++#define _VSERVER_DEVICE_CMD_H
++
++#include <uapi/vserver/device_cmd.h>
++
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_set_mapping_v0_x32 {
++ compat_uptr_t device_ptr;
++ compat_uptr_t target_ptr;
++ uint32_t flags;
++};
++
++#endif /* CONFIG_COMPAT */
++
++#include <linux/compiler.h>
++
++extern int vc_set_mapping(struct vx_info *, void __user *);
++extern int vc_unset_mapping(struct vx_info *, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_set_mapping_x32(struct vx_info *, void __user *);
++extern int vc_unset_mapping_x32(struct vx_info *, void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* _VSERVER_DEVICE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/device_def.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/device_def.h
+--- linux-3.7.10/include/linux/vserver/device_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/device_def.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,17 @@
++#ifndef _VSERVER_DEVICE_DEF_H
++#define _VSERVER_DEVICE_DEF_H
++
++#include <linux/types.h>
++
++struct vx_dmap_target {
++ dev_t target;
++ uint32_t flags;
++};
++
++struct _vx_device {
++#ifdef CONFIG_VSERVER_DEVICE
++ struct vx_dmap_target targets[2];
++#endif
++};
++
++#endif /* _VSERVER_DEVICE_DEF_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/dlimit.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/dlimit.h
+--- linux-3.7.10/include/linux/vserver/dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/dlimit.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,54 @@
++#ifndef _VSERVER_DLIMIT_H
++#define _VSERVER_DLIMIT_H
++
++#include "switch.h"
++
++
++#ifdef __KERNEL__
++
++/* keep in sync with CDLIM_INFINITY */
++
++#define DLIM_INFINITY (~0ULL)
++
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++
++struct super_block;
++
++struct dl_info {
++ struct hlist_node dl_hlist; /* linked list of contexts */
++ struct rcu_head dl_rcu; /* the rcu head */
++ tag_t dl_tag; /* context tag */
++ atomic_t dl_usecnt; /* usage count */
++ atomic_t dl_refcnt; /* reference count */
++
++ struct super_block *dl_sb; /* associated superblock */
++
++ spinlock_t dl_lock; /* protect the values */
++
++ unsigned long long dl_space_used; /* used space in bytes */
++ unsigned long long dl_space_total; /* maximum space in bytes */
++ unsigned long dl_inodes_used; /* used inodes */
++ unsigned long dl_inodes_total; /* maximum inodes */
++
++ unsigned int dl_nrlmult; /* non root limit mult */
++};
++
++struct rcu_head;
++
++extern void rcu_free_dl_info(struct rcu_head *);
++extern void unhash_dl_info(struct dl_info *);
++
++extern struct dl_info *locate_dl_info(struct super_block *, tag_t);
++
++
++struct kstatfs;
++
++extern void vx_vsi_statfs(struct super_block *, struct kstatfs *);
++
++typedef uint64_t dlsize_t;
++
++#endif /* __KERNEL__ */
++#else /* _VSERVER_DLIMIT_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_DLIMIT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/dlimit_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/dlimit_cmd.h
+--- linux-3.7.10/include/linux/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/dlimit_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,46 @@
++#ifndef _VSERVER_DLIMIT_CMD_H
++#define _VSERVER_DLIMIT_CMD_H
++
++#include <uapi/vserver/dlimit_cmd.h>
++
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_ctx_dlimit_base_v0_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t flags;
++};
++
++struct vcmd_ctx_dlimit_v0_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t space_used; /* used space in kbytes */
++ uint32_t space_total; /* maximum space in kbytes */
++ uint32_t inodes_used; /* used inodes */
++ uint32_t inodes_total; /* maximum inodes */
++ uint32_t reserved; /* reserved for root in % */
++ uint32_t flags;
++};
++
++#endif /* CONFIG_COMPAT */
++
++#include <linux/compiler.h>
++
++extern int vc_add_dlimit(uint32_t, void __user *);
++extern int vc_rem_dlimit(uint32_t, void __user *);
++
++extern int vc_set_dlimit(uint32_t, void __user *);
++extern int vc_get_dlimit(uint32_t, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_add_dlimit_x32(uint32_t, void __user *);
++extern int vc_rem_dlimit_x32(uint32_t, void __user *);
++
++extern int vc_set_dlimit_x32(uint32_t, void __user *);
++extern int vc_get_dlimit_x32(uint32_t, void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* _VSERVER_DLIMIT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/global.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/global.h
+--- linux-3.7.10/include/linux/vserver/global.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/global.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VSERVER_GLOBAL_H
++#define _VSERVER_GLOBAL_H
++
++
++extern atomic_t vx_global_ctotal;
++extern atomic_t vx_global_cactive;
++
++extern atomic_t nx_global_ctotal;
++extern atomic_t nx_global_cactive;
++
++extern atomic_t vs_global_nsproxy;
++extern atomic_t vs_global_fs;
++extern atomic_t vs_global_mnt_ns;
++extern atomic_t vs_global_uts_ns;
++extern atomic_t vs_global_user_ns;
++extern atomic_t vs_global_pid_ns;
++
++
++#endif /* _VSERVER_GLOBAL_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/history.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/history.h
+--- linux-3.7.10/include/linux/vserver/history.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/history.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,197 @@
++#ifndef _VSERVER_HISTORY_H
++#define _VSERVER_HISTORY_H
++
++
++enum {
++ VXH_UNUSED = 0,
++ VXH_THROW_OOPS = 1,
++
++ VXH_GET_VX_INFO,
++ VXH_PUT_VX_INFO,
++ VXH_INIT_VX_INFO,
++ VXH_SET_VX_INFO,
++ VXH_CLR_VX_INFO,
++ VXH_CLAIM_VX_INFO,
++ VXH_RELEASE_VX_INFO,
++ VXH_ALLOC_VX_INFO,
++ VXH_DEALLOC_VX_INFO,
++ VXH_HASH_VX_INFO,
++ VXH_UNHASH_VX_INFO,
++ VXH_LOC_VX_INFO,
++ VXH_LOOKUP_VX_INFO,
++ VXH_CREATE_VX_INFO,
++};
++
++struct _vxhe_vxi {
++ struct vx_info *ptr;
++ unsigned xid;
++ unsigned usecnt;
++ unsigned tasks;
++};
++
++struct _vxhe_set_clr {
++ void *data;
++};
++
++struct _vxhe_loc_lookup {
++ unsigned arg;
++};
++
++struct _vx_hist_entry {
++ void *loc;
++ unsigned short seq;
++ unsigned short type;
++ struct _vxhe_vxi vxi;
++ union {
++ struct _vxhe_set_clr sc;
++ struct _vxhe_loc_lookup ll;
++ };
++};
++
++#ifdef CONFIG_VSERVER_HISTORY
++
++extern unsigned volatile int vxh_active;
++
++struct _vx_hist_entry *vxh_advance(void *loc);
++
++
++static inline
++void __vxh_copy_vxi(struct _vx_hist_entry *entry, struct vx_info *vxi)
++{
++ entry->vxi.ptr = vxi;
++ if (vxi) {
++ entry->vxi.usecnt = atomic_read(&vxi->vx_usecnt);
++ entry->vxi.tasks = atomic_read(&vxi->vx_tasks);
++ entry->vxi.xid = vxi->vx_id;
++ }
++}
++
++
++#define __HERE__ current_text_addr()
++
++#define __VXH_BODY(__type, __data, __here) \
++ struct _vx_hist_entry *entry; \
++ \
++ preempt_disable(); \
++ entry = vxh_advance(__here); \
++ __data; \
++ entry->type = __type; \
++ preempt_enable();
++
++
++ /* pass vxi only */
++
++#define __VXH_SMPL \
++ __vxh_copy_vxi(entry, vxi)
++
++static inline
++void __vxh_smpl(struct vx_info *vxi, int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_SMPL, __here)
++}
++
++ /* pass vxi and data (void *) */
++
++#define __VXH_DATA \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->sc.data = data
++
++static inline
++void __vxh_data(struct vx_info *vxi, void *data,
++ int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_DATA, __here)
++}
++
++ /* pass vxi and arg (long) */
++
++#define __VXH_LONG \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->ll.arg = arg
++
++static inline
++void __vxh_long(struct vx_info *vxi, long arg,
++ int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_LONG, __here)
++}
++
++
++static inline
++void __vxh_throw_oops(void *__here)
++{
++ __VXH_BODY(VXH_THROW_OOPS, {}, __here);
++ /* prevent further acquisition */
++ vxh_active = 0;
++}
++
++
++#define vxh_throw_oops() __vxh_throw_oops(__HERE__);
++
++#define __vxh_get_vx_info(v, h) __vxh_smpl(v, VXH_GET_VX_INFO, h);
++#define __vxh_put_vx_info(v, h) __vxh_smpl(v, VXH_PUT_VX_INFO, h);
++
++#define __vxh_init_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_INIT_VX_INFO, h);
++#define __vxh_set_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_SET_VX_INFO, h);
++#define __vxh_clr_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_CLR_VX_INFO, h);
++
++#define __vxh_claim_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_CLAIM_VX_INFO, h);
++#define __vxh_release_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_RELEASE_VX_INFO, h);
++
++#define vxh_alloc_vx_info(v) \
++ __vxh_smpl(v, VXH_ALLOC_VX_INFO, __HERE__);
++#define vxh_dealloc_vx_info(v) \
++ __vxh_smpl(v, VXH_DEALLOC_VX_INFO, __HERE__);
++
++#define vxh_hash_vx_info(v) \
++ __vxh_smpl(v, VXH_HASH_VX_INFO, __HERE__);
++#define vxh_unhash_vx_info(v) \
++ __vxh_smpl(v, VXH_UNHASH_VX_INFO, __HERE__);
++
++#define vxh_loc_vx_info(v, l) \
++ __vxh_long(v, l, VXH_LOC_VX_INFO, __HERE__);
++#define vxh_lookup_vx_info(v, l) \
++ __vxh_long(v, l, VXH_LOOKUP_VX_INFO, __HERE__);
++#define vxh_create_vx_info(v, l) \
++ __vxh_long(v, l, VXH_CREATE_VX_INFO, __HERE__);
++
++extern void vxh_dump_history(void);
++
++
++#else /* CONFIG_VSERVER_HISTORY */
++
++#define __HERE__ 0
++
++#define vxh_throw_oops() do { } while (0)
++
++#define __vxh_get_vx_info(v, h) do { } while (0)
++#define __vxh_put_vx_info(v, h) do { } while (0)
++
++#define __vxh_init_vx_info(v, d, h) do { } while (0)
++#define __vxh_set_vx_info(v, d, h) do { } while (0)
++#define __vxh_clr_vx_info(v, d, h) do { } while (0)
++
++#define __vxh_claim_vx_info(v, d, h) do { } while (0)
++#define __vxh_release_vx_info(v, d, h) do { } while (0)
++
++#define vxh_alloc_vx_info(v) do { } while (0)
++#define vxh_dealloc_vx_info(v) do { } while (0)
++
++#define vxh_hash_vx_info(v) do { } while (0)
++#define vxh_unhash_vx_info(v) do { } while (0)
++
++#define vxh_loc_vx_info(v, l) do { } while (0)
++#define vxh_lookup_vx_info(v, l) do { } while (0)
++#define vxh_create_vx_info(v, l) do { } while (0)
++
++#define vxh_dump_history() do { } while (0)
++
++
++#endif /* CONFIG_VSERVER_HISTORY */
++
++#endif /* _VSERVER_HISTORY_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/inode.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/inode.h
+--- linux-3.7.10/include/linux/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VSERVER_INODE_H
++#define _VSERVER_INODE_H
++
++#include <uapi/vserver/inode.h>
++
++
++#ifdef CONFIG_VSERVER_PROC_SECURE
++#define IATTR_PROC_DEFAULT ( IATTR_ADMIN | IATTR_HIDE )
++#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
++#else
++#define IATTR_PROC_DEFAULT ( IATTR_ADMIN )
++#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
++#endif
++
++#define vx_hide_check(c, m) (((m) & IATTR_HIDE) ? vx_check(c, m) : 1)
++
++#else /* _VSERVER_INODE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_INODE_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/inode_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/inode_cmd.h
+--- linux-3.7.10/include/linux/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/inode_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,36 @@
++#ifndef _VSERVER_INODE_CMD_H
++#define _VSERVER_INODE_CMD_H
++
++#include <uapi/vserver/inode_cmd.h>
++
++
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_ctx_iattr_v1_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
++
++#endif /* CONFIG_COMPAT */
++
++#include <linux/compiler.h>
++
++extern int vc_get_iattr(void __user *);
++extern int vc_set_iattr(void __user *);
++
++extern int vc_fget_iattr(uint32_t, void __user *);
++extern int vc_fset_iattr(uint32_t, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_get_iattr_x32(void __user *);
++extern int vc_set_iattr_x32(void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* _VSERVER_INODE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/limit.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit.h
+--- linux-3.7.10/include/linux/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,61 @@
++#ifndef _VSERVER_LIMIT_H
++#define _VSERVER_LIMIT_H
++
++#include <uapi/vserver/limit.h>
++
++
++#define VLIM_NOCHECK ((1L << VLIMIT_DENTRY) | (1L << RLIMIT_RSS))
++
++/* keep in sync with CRLIM_INFINITY */
++
++#define VLIM_INFINITY (~0ULL)
++
++#include <asm/atomic.h>
++#include <asm/resource.h>
++
++#ifndef RLIM_INFINITY
++#warning RLIM_INFINITY is undefined
++#endif
++
++#define __rlim_val(l, r, v) ((l)->res[r].v)
++
++#define __rlim_soft(l, r) __rlim_val(l, r, soft)
++#define __rlim_hard(l, r) __rlim_val(l, r, hard)
++
++#define __rlim_rcur(l, r) __rlim_val(l, r, rcur)
++#define __rlim_rmin(l, r) __rlim_val(l, r, rmin)
++#define __rlim_rmax(l, r) __rlim_val(l, r, rmax)
++
++#define __rlim_lhit(l, r) __rlim_val(l, r, lhit)
++#define __rlim_hit(l, r) atomic_inc(&__rlim_lhit(l, r))
++
++typedef atomic_long_t rlim_atomic_t;
++typedef unsigned long rlim_t;
++
++#define __rlim_get(l, r) atomic_long_read(&__rlim_rcur(l, r))
++#define __rlim_set(l, r, v) atomic_long_set(&__rlim_rcur(l, r), v)
++#define __rlim_inc(l, r) atomic_long_inc(&__rlim_rcur(l, r))
++#define __rlim_dec(l, r) atomic_long_dec(&__rlim_rcur(l, r))
++#define __rlim_add(l, r, v) atomic_long_add(v, &__rlim_rcur(l, r))
++#define __rlim_sub(l, r, v) atomic_long_sub(v, &__rlim_rcur(l, r))
++
++
++#if (RLIM_INFINITY == VLIM_INFINITY)
++#define VX_VLIM(r) ((long long)(long)(r))
++#define VX_RLIM(v) ((rlim_t)(v))
++#else
++#define VX_VLIM(r) (((r) == RLIM_INFINITY) \
++ ? VLIM_INFINITY : (long long)(r))
++#define VX_RLIM(v) (((v) == VLIM_INFINITY) \
++ ? RLIM_INFINITY : (rlim_t)(v))
++#endif
++
++struct sysinfo;
++
++void vx_vsi_meminfo(struct sysinfo *);
++void vx_vsi_swapinfo(struct sysinfo *);
++long vx_vsi_cached(struct sysinfo *);
++
++#define NUM_LIMITS 24
++
++#endif /* _VSERVER_LIMIT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/limit_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_cmd.h
+--- linux-3.7.10/include/linux/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,35 @@
++#ifndef _VSERVER_LIMIT_CMD_H
++#define _VSERVER_LIMIT_CMD_H
++
++#include <uapi/vserver/limit_cmd.h>
++
++
++#ifdef CONFIG_IA32_EMULATION
++
++struct vcmd_ctx_rlimit_v0_x32 {
++ uint32_t id;
++ uint64_t minimum;
++ uint64_t softlimit;
++ uint64_t maximum;
++} __attribute__ ((packed));
++
++#endif /* CONFIG_IA32_EMULATION */
++
++#include <linux/compiler.h>
++
++extern int vc_get_rlimit_mask(uint32_t, void __user *);
++extern int vc_get_rlimit(struct vx_info *, void __user *);
++extern int vc_set_rlimit(struct vx_info *, void __user *);
++extern int vc_reset_hits(struct vx_info *, void __user *);
++extern int vc_reset_minmax(struct vx_info *, void __user *);
++
++extern int vc_rlimit_stat(struct vx_info *, void __user *);
++
++#ifdef CONFIG_IA32_EMULATION
++
++extern int vc_get_rlimit_x32(struct vx_info *, void __user *);
++extern int vc_set_rlimit_x32(struct vx_info *, void __user *);
++
++#endif /* CONFIG_IA32_EMULATION */
++
++#endif /* _VSERVER_LIMIT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/limit_def.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_def.h
+--- linux-3.7.10/include/linux/vserver/limit_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_def.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VSERVER_LIMIT_DEF_H
++#define _VSERVER_LIMIT_DEF_H
++
++#include <asm/atomic.h>
++#include <asm/resource.h>
++
++#include "limit.h"
++
++
++struct _vx_res_limit {
++ rlim_t soft; /* Context soft limit */
++ rlim_t hard; /* Context hard limit */
++
++ rlim_atomic_t rcur; /* Current value */
++ rlim_t rmin; /* Context minimum */
++ rlim_t rmax; /* Context maximum */
++
++ atomic_t lhit; /* Limit hits */
++};
++
++/* context sub struct */
++
++struct _vx_limit {
++ struct _vx_res_limit res[NUM_LIMITS];
++};
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_limit(struct _vx_limit *limit)
++{
++ int i;
++
++ printk("\t_vx_limit:");
++ for (i = 0; i < NUM_LIMITS; i++) {
++ printk("\t [%2d] = %8lu %8lu/%8lu, %8ld/%8ld, %8d\n",
++ i, (unsigned long)__rlim_get(limit, i),
++ (unsigned long)__rlim_rmin(limit, i),
++ (unsigned long)__rlim_rmax(limit, i),
++ (long)__rlim_soft(limit, i),
++ (long)__rlim_hard(limit, i),
++ atomic_read(&__rlim_lhit(limit, i)));
++ }
++}
++
++#endif
++
++#endif /* _VSERVER_LIMIT_DEF_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/limit_int.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_int.h
+--- linux-3.7.10/include/linux/vserver/limit_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_int.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,193 @@
++#ifndef _VSERVER_LIMIT_INT_H
++#define _VSERVER_LIMIT_INT_H
++
++#define VXD_RCRES_COND(r) VXD_CBIT(cres, r)
++#define VXD_RLIMIT_COND(r) VXD_CBIT(limit, r)
++
++extern const char *vlimit_name[NUM_LIMITS];
++
++static inline void __vx_acc_cres(struct vx_info *vxi,
++ int res, int dir, void *_data, char *_file, int _line)
++{
++ if (VXD_RCRES_COND(res))
++ vxlprintk(1, "vx_acc_cres[%5d,%s,%2d]: %5ld%s (%p)",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ (dir > 0) ? "++" : "--", _data, _file, _line);
++ if (!vxi)
++ return;
++
++ if (dir > 0)
++ __rlim_inc(&vxi->limit, res);
++ else
++ __rlim_dec(&vxi->limit, res);
++}
++
++static inline void __vx_add_cres(struct vx_info *vxi,
++ int res, int amount, void *_data, char *_file, int _line)
++{
++ if (VXD_RCRES_COND(res))
++ vxlprintk(1, "vx_add_cres[%5d,%s,%2d]: %5ld += %5d (%p)",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ amount, _data, _file, _line);
++ if (amount == 0)
++ return;
++ if (!vxi)
++ return;
++ __rlim_add(&vxi->limit, res, amount);
++}
++
++static inline
++int __vx_cres_adjust_max(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value > __rlim_rmax(limit, res));
++
++ if (cond)
++ __rlim_rmax(limit, res) = value;
++ return cond;
++}
++
++static inline
++int __vx_cres_adjust_min(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value < __rlim_rmin(limit, res));
++
++ if (cond)
++ __rlim_rmin(limit, res) = value;
++ return cond;
++}
++
++static inline
++void __vx_cres_fixup(struct _vx_limit *limit, int res, rlim_t value)
++{
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++}
++
++
++/* return values:
++ +1 ... no limit hit
++ -1 ... over soft limit
++ 0 ... over hard limit */
++
++static inline int __vx_cres_avail(struct vx_info *vxi,
++ int res, int num, char *_file, int _line)
++{
++ struct _vx_limit *limit;
++ rlim_t value;
++
++ if (VXD_RLIMIT_COND(res))
++ vxlprintk(1, "vx_cres_avail[%5d,%s,%2d]: %5ld/%5ld > %5ld + %5d",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_soft(&vxi->limit, res) : -1),
++ (vxi ? (long)__rlim_hard(&vxi->limit, res) : -1),
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ num, _file, _line);
++ if (!vxi)
++ return 1;
++
++ limit = &vxi->limit;
++ value = __rlim_get(limit, res);
++
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++
++ if (num == 0)
++ return 1;
++
++ if (__rlim_soft(limit, res) == RLIM_INFINITY)
++ return -1;
++ if (value + num <= __rlim_soft(limit, res))
++ return -1;
++
++ if (__rlim_hard(limit, res) == RLIM_INFINITY)
++ return 1;
++ if (value + num <= __rlim_hard(limit, res))
++ return 1;
++
++ __rlim_hit(limit, res);
++ return 0;
++}
++
++
++static const int VLA_RSS[] = { RLIMIT_RSS, VLIMIT_ANON, VLIMIT_MAPPED, 0 };
++
++static inline
++rlim_t __vx_cres_array_sum(struct _vx_limit *limit, const int *array)
++{
++ rlim_t value, sum = 0;
++ int res;
++
++ while ((res = *array++)) {
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
++ sum += value;
++ }
++ return sum;
++}
++
++static inline
++rlim_t __vx_cres_array_fixup(struct _vx_limit *limit, const int *array)
++{
++ rlim_t value = __vx_cres_array_sum(limit, array + 1);
++ int res = *array;
++
++ if (value == __rlim_get(limit, res))
++ return value;
++
++ __rlim_set(limit, res, value);
++ /* now adjust min/max */
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++
++ return value;
++}
++
++static inline int __vx_cres_array_avail(struct vx_info *vxi,
++ const int *array, int num, char *_file, int _line)
++{
++ struct _vx_limit *limit;
++ rlim_t value = 0;
++ int res;
++
++ if (num == 0)
++ return 1;
++ if (!vxi)
++ return 1;
++
++ limit = &vxi->limit;
++ res = *array;
++ value = __vx_cres_array_sum(limit, array + 1);
++
++ __rlim_set(limit, res, value);
++ __vx_cres_fixup(limit, res, value);
++
++ return __vx_cres_avail(vxi, res, num, _file, _line);
++}
++
++
++static inline void vx_limit_fixup(struct _vx_limit *limit, int id)
++{
++ rlim_t value;
++ int res;
++
++ /* complex resources first */
++ if ((id < 0) || (id == RLIMIT_RSS))
++ __vx_cres_array_fixup(limit, VLA_RSS);
++
++ for (res = 0; res < NUM_LIMITS; res++) {
++ if ((id > 0) && (res != id))
++ continue;
++
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
++
++ /* not supposed to happen, maybe warn? */
++ if (__rlim_rmax(limit, res) > __rlim_hard(limit, res))
++ __rlim_rmax(limit, res) = __rlim_hard(limit, res);
++ }
++}
++
++
++#endif /* _VSERVER_LIMIT_INT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/monitor.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/monitor.h
+--- linux-3.7.10/include/linux/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/monitor.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,6 @@
++#ifndef _VSERVER_MONITOR_H
++#define _VSERVER_MONITOR_H
++
++#include <uapi/vserver/monitor.h>
++
++#endif /* _VSERVER_MONITOR_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/network.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/network.h
+--- linux-3.7.10/include/linux/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/network.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,76 @@
++#ifndef _VSERVER_NETWORK_H
++#define _VSERVER_NETWORK_H
++
++
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++#include <linux/in.h>
++#include <linux/in6.h>
++#include <asm/atomic.h>
++#include <uapi/vserver/network.h>
++
++struct nx_addr_v4 {
++ struct nx_addr_v4 *next;
++ struct in_addr ip[2];
++ struct in_addr mask;
++ uint16_t type;
++ uint16_t flags;
++};
++
++struct nx_addr_v6 {
++ struct nx_addr_v6 *next;
++ struct in6_addr ip;
++ struct in6_addr mask;
++ uint32_t prefix;
++ uint16_t type;
++ uint16_t flags;
++};
++
++struct nx_info {
++ struct hlist_node nx_hlist; /* linked list of nxinfos */
++ nid_t nx_id; /* vnet id */
++ atomic_t nx_usecnt; /* usage count */
++ atomic_t nx_tasks; /* tasks count */
++ int nx_state; /* context state */
++
++ uint64_t nx_flags; /* network flag word */
++ uint64_t nx_ncaps; /* network capabilities */
++
++ spinlock_t addr_lock; /* protect address changes */
++ struct in_addr v4_lback; /* Loopback address */
++ struct in_addr v4_bcast; /* Broadcast address */
++ struct nx_addr_v4 v4; /* First/Single ipv4 address */
++#ifdef CONFIG_IPV6
++ struct nx_addr_v6 v6; /* First/Single ipv6 address */
++#endif
++ char nx_name[65]; /* network context name */
++};
++
++
++/* status flags */
++
++#define NXS_HASHED 0x0001
++#define NXS_SHUTDOWN 0x0100
++#define NXS_RELEASED 0x8000
++
++extern struct nx_info *lookup_nx_info(int);
++
++extern int get_nid_list(int, unsigned int *, int);
++extern int nid_is_hashed(nid_t);
++
++extern int nx_migrate_task(struct task_struct *, struct nx_info *);
++
++extern long vs_net_change(struct nx_info *, unsigned int);
++
++struct sock;
++
++
++#define NX_IPV4(n) ((n)->v4.type != NXA_TYPE_NONE)
++#ifdef CONFIG_IPV6
++#define NX_IPV6(n) ((n)->v6.type != NXA_TYPE_NONE)
++#else
++#define NX_IPV6(n) (0)
++#endif
++
++#endif /* _VSERVER_NETWORK_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/network_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/network_cmd.h
+--- linux-3.7.10/include/linux/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/network_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,37 @@
++#ifndef _VSERVER_NETWORK_CMD_H
++#define _VSERVER_NETWORK_CMD_H
++
++#include <uapi/vserver/network_cmd.h>
++
++extern int vc_task_nid(uint32_t);
++
++extern int vc_nx_info(struct nx_info *, void __user *);
++
++extern int vc_net_create(uint32_t, void __user *);
++extern int vc_net_migrate(struct nx_info *, void __user *);
++
++extern int vc_net_add(struct nx_info *, void __user *);
++extern int vc_net_remove(struct nx_info *, void __user *);
++
++extern int vc_net_add_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_add_ipv4(struct nx_info *, void __user *);
++
++extern int vc_net_rem_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_rem_ipv4(struct nx_info *, void __user *);
++
++extern int vc_net_add_ipv6(struct nx_info *, void __user *);
++extern int vc_net_remove_ipv6(struct nx_info *, void __user *);
++
++extern int vc_add_match_ipv4(struct nx_info *, void __user *);
++extern int vc_get_match_ipv4(struct nx_info *, void __user *);
++
++extern int vc_add_match_ipv6(struct nx_info *, void __user *);
++extern int vc_get_match_ipv6(struct nx_info *, void __user *);
++
++extern int vc_get_nflags(struct nx_info *, void __user *);
++extern int vc_set_nflags(struct nx_info *, void __user *);
++
++extern int vc_get_ncaps(struct nx_info *, void __user *);
++extern int vc_set_ncaps(struct nx_info *, void __user *);
++
++#endif /* _VSERVER_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/percpu.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/percpu.h
+--- linux-3.7.10/include/linux/vserver/percpu.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/percpu.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_PERCPU_H
++#define _VSERVER_PERCPU_H
++
++#include "cvirt_def.h"
++#include "sched_def.h"
++
++struct _vx_percpu {
++ struct _vx_cvirt_pc cvirt;
++ struct _vx_sched_pc sched;
++};
++
++#define PERCPU_PERCTX (sizeof(struct _vx_percpu))
++
++#endif /* _VSERVER_PERCPU_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/pid.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/pid.h
+--- linux-3.7.10/include/linux/vserver/pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/pid.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,51 @@
++#ifndef _VSERVER_PID_H
++#define _VSERVER_PID_H
++
++/* pid faking stuff */
++
++#define vx_info_map_pid(v, p) \
++ __vx_info_map_pid((v), (p), __func__, __FILE__, __LINE__)
++#define vx_info_map_tgid(v,p) vx_info_map_pid(v,p)
++#define vx_map_pid(p) vx_info_map_pid(current_vx_info(), p)
++#define vx_map_tgid(p) vx_map_pid(p)
++
++static inline int __vx_info_map_pid(struct vx_info *vxi, int pid,
++ const char *func, const char *file, int line)
++{
++ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
++ vxfprintk(VXD_CBIT(cvirt, 2),
++ "vx_map_tgid: %p/%llx: %d -> %d",
++ vxi, (long long)vxi->vx_flags, pid,
++ (pid && pid == vxi->vx_initpid) ? 1 : pid,
++ func, file, line);
++ if (pid == 0)
++ return 0;
++ if (pid == vxi->vx_initpid)
++ return 1;
++ }
++ return pid;
++}
++
++#define vx_info_rmap_pid(v, p) \
++ __vx_info_rmap_pid((v), (p), __func__, __FILE__, __LINE__)
++#define vx_rmap_pid(p) vx_info_rmap_pid(current_vx_info(), p)
++#define vx_rmap_tgid(p) vx_rmap_pid(p)
++
++static inline int __vx_info_rmap_pid(struct vx_info *vxi, int pid,
++ const char *func, const char *file, int line)
++{
++ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
++ vxfprintk(VXD_CBIT(cvirt, 2),
++ "vx_rmap_tgid: %p/%llx: %d -> %d",
++ vxi, (long long)vxi->vx_flags, pid,
++ (pid == 1) ? vxi->vx_initpid : pid,
++ func, file, line);
++ if ((pid == 1) && vxi->vx_initpid)
++ return vxi->vx_initpid;
++ if (pid == vxi->vx_initpid)
++ return ~0U;
++ }
++ return pid;
++}
++
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/sched.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched.h
+--- linux-3.7.10/include/linux/vserver/sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _VSERVER_SCHED_H
++#define _VSERVER_SCHED_H
++
++
++#ifdef __KERNEL__
++
++struct timespec;
++
++void vx_vsi_uptime(struct timespec *, struct timespec *);
++
++
++struct vx_info;
++
++void vx_update_load(struct vx_info *);
++
++
++void vx_update_sched_param(struct _vx_sched *sched,
++ struct _vx_sched_pc *sched_pc);
++
++#endif /* __KERNEL__ */
++#else /* _VSERVER_SCHED_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SCHED_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/sched_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched_cmd.h
+--- linux-3.7.10/include/linux/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,11 @@
++#ifndef _VSERVER_SCHED_CMD_H
++#define _VSERVER_SCHED_CMD_H
++
++
++#include <linux/compiler.h>
++#include <uapi/vserver/sched_cmd.h>
++
++extern int vc_set_prio_bias(struct vx_info *, void __user *);
++extern int vc_get_prio_bias(struct vx_info *, void __user *);
++
++#endif /* _VSERVER_SCHED_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/sched_def.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched_def.h
+--- linux-3.7.10/include/linux/vserver/sched_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched_def.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,38 @@
++#ifndef _VSERVER_SCHED_DEF_H
++#define _VSERVER_SCHED_DEF_H
++
++#include <linux/spinlock.h>
++#include <linux/jiffies.h>
++#include <linux/cpumask.h>
++#include <asm/atomic.h>
++#include <asm/param.h>
++
++
++/* context sub struct */
++
++struct _vx_sched {
++ int prio_bias; /* bias offset for priority */
++
++ cpumask_t update; /* CPUs which should update */
++};
++
++struct _vx_sched_pc {
++ int prio_bias; /* bias offset for priority */
++
++ uint64_t user_ticks; /* token tick events */
++ uint64_t sys_ticks; /* token tick events */
++ uint64_t hold_ticks; /* token ticks paused */
++};
++
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_sched(struct _vx_sched *sched)
++{
++ printk("\t_vx_sched:\n");
++ printk("\t priority = %4d\n", sched->prio_bias);
++}
++
++#endif
++
++#endif /* _VSERVER_SCHED_DEF_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/signal.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/signal.h
+--- linux-3.7.10/include/linux/vserver/signal.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/signal.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_SIGNAL_H
++#define _VSERVER_SIGNAL_H
++
++
++#ifdef __KERNEL__
++
++struct vx_info;
++
++int vx_info_kill(struct vx_info *, int, int);
++
++#endif /* __KERNEL__ */
++#else /* _VSERVER_SIGNAL_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SIGNAL_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/signal_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/signal_cmd.h
+--- linux-3.7.10/include/linux/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/signal_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_SIGNAL_CMD_H
++#define _VSERVER_SIGNAL_CMD_H
++
++#include <uapi/vserver/signal_cmd.h>
++
++
++extern int vc_ctx_kill(struct vx_info *, void __user *);
++extern int vc_wait_exit(struct vx_info *, void __user *);
++
++
++extern int vc_get_pflags(uint32_t pid, void __user *);
++extern int vc_set_pflags(uint32_t pid, void __user *);
++
++#endif /* _VSERVER_SIGNAL_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/space.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/space.h
+--- linux-3.7.10/include/linux/vserver/space.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/space.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,12 @@
++#ifndef _VSERVER_SPACE_H
++#define _VSERVER_SPACE_H
++
++#include <linux/types.h>
++
++struct vx_info;
++
++int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index);
++
++#else /* _VSERVER_SPACE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SPACE_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/space_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/space_cmd.h
+--- linux-3.7.10/include/linux/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/space_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _VSERVER_SPACE_CMD_H
++#define _VSERVER_SPACE_CMD_H
++
++#include <uapi/vserver/space_cmd.h>
++
++
++extern int vc_enter_space_v1(struct vx_info *, void __user *);
++extern int vc_set_space_v1(struct vx_info *, void __user *);
++extern int vc_enter_space(struct vx_info *, void __user *);
++extern int vc_set_space(struct vx_info *, void __user *);
++extern int vc_get_space_mask(void __user *, int);
++
++#endif /* _VSERVER_SPACE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/switch.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/switch.h
+--- linux-3.7.10/include/linux/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/switch.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,8 @@
++#ifndef _VSERVER_SWITCH_H
++#define _VSERVER_SWITCH_H
++
++
++#include <linux/errno.h>
++#include <uapi/vserver/switch.h>
++
++#endif /* _VSERVER_SWITCH_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/tag.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/tag.h
+--- linux-3.7.10/include/linux/vserver/tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/tag.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,143 @@
++#ifndef _DX_TAG_H
++#define _DX_TAG_H
++
++#include <linux/types.h>
++
++
++#define DX_TAG(in) (IS_TAGGED(in))
++
++
++#ifdef CONFIG_TAG_NFSD
++#define DX_TAG_NFSD 1
++#else
++#define DX_TAG_NFSD 0
++#endif
++
++
++#ifdef CONFIG_TAGGING_NONE
++
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0xFFFFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) (0)
++
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) (gid)
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_GID16
++
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0x0000FFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (((gid) >> 16) & 0xFFFF) : 0)
++
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) \
++ ((cond) ? (((gid) & 0xFFFF) | ((tag) << 16)) : (gid))
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_ID24
++
++#define MAX_UID 0x00FFFFFF
++#define MAX_GID 0x00FFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? ((((uid) >> 16) & 0xFF00) | (((gid) >> 24) & 0xFF)) : 0)
++
++#define TAGINO_UID(cond, uid, tag) \
++ ((cond) ? (((uid) & 0xFFFFFF) | (((tag) & 0xFF00) << 16)) : (uid))
++#define TAGINO_GID(cond, gid, tag) \
++ ((cond) ? (((gid) & 0xFFFFFF) | (((tag) & 0x00FF) << 24)) : (gid))
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_UID16
++
++#define MAX_UID 0x0000FFFF
++#define MAX_GID 0xFFFFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (((uid) >> 16) & 0xFFFF) : 0)
++
++#define TAGINO_UID(cond, uid, tag) \
++ ((cond) ? (((uid) & 0xFFFF) | ((tag) << 16)) : (uid))
++#define TAGINO_GID(cond, gid, tag) (gid)
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_INTERN
++
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0xFFFFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (tag) : 0)
++
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) (gid)
++
++#endif
++
++
++#ifndef CONFIG_TAGGING_NONE
++#define dx_current_fstag(sb) \
++ ((sb)->s_flags & MS_TAGGED ? dx_current_tag() : 0)
++#else
++#define dx_current_fstag(sb) (0)
++#endif
++
++#ifndef CONFIG_TAGGING_INTERN
++#define TAGINO_TAG(cond, tag) (0)
++#else
++#define TAGINO_TAG(cond, tag) ((cond) ? (tag) : 0)
++#endif
++
++#define INOTAG_UID(cond, uid, gid) \
++ ((cond) ? ((uid) & MAX_UID) : (uid))
++#define INOTAG_GID(cond, uid, gid) \
++ ((cond) ? ((gid) & MAX_GID) : (gid))
++
++
++static inline uid_t dx_map_uid(uid_t uid)
++{
++ if ((uid > MAX_UID) && (uid != -1))
++ uid = -2;
++ return (uid & MAX_UID);
++}
++
++static inline gid_t dx_map_gid(gid_t gid)
++{
++ if ((gid > MAX_GID) && (gid != -1))
++ gid = -2;
++ return (gid & MAX_GID);
++}
++
++struct peer_tag {
++ int32_t xid;
++ int32_t nid;
++};
++
++#define dx_notagcheck(sb) ((sb) && ((sb)->s_flags & MS_NOTAGCHECK))
++
++int dx_parse_tag(char *string, tag_t *tag, int remove, int *mnt_flags,
++ unsigned long *flags);
++
++#ifdef CONFIG_PROPAGATE
++
++void __dx_propagate_tag(struct nameidata *nd, struct inode *inode);
++
++#define dx_propagate_tag(n, i) __dx_propagate_tag(n, i)
++
++#else
++#define dx_propagate_tag(n, i) do { } while (0)
++#endif
++
++#endif /* _DX_TAG_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/tag_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/tag_cmd.h
+--- linux-3.7.10/include/linux/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/tag_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VSERVER_TAG_CMD_H
++#define _VSERVER_TAG_CMD_H
++
++#include <uapi/vserver/tag_cmd.h>
++
++extern int vc_task_tag(uint32_t);
++
++extern int vc_tag_migrate(uint32_t);
++
++#endif /* _VSERVER_TAG_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/net/addrconf.h linux-3.7.10-vs2.3.5.6/include/net/addrconf.h
+--- linux-3.7.10/include/net/addrconf.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/addrconf.h 2012-12-18 15:13:16.000000000 +0000
+@@ -81,7 +81,8 @@ extern int ipv6_dev_get_saddr(struct n
+ const struct net_device *dev,
+ const struct in6_addr *daddr,
+ unsigned int srcprefs,
+- struct in6_addr *saddr);
++ struct in6_addr *saddr,
++ struct nx_info *nxi);
+ extern int ipv6_get_lladdr(struct net_device *dev,
+ struct in6_addr *addr,
+ unsigned char banned_flags);
+diff -NurpP --minimal linux-3.7.10/include/net/af_unix.h linux-3.7.10-vs2.3.5.6/include/net/af_unix.h
+--- linux-3.7.10/include/net/af_unix.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/af_unix.h 2012-12-18 15:13:16.000000000 +0000
+@@ -4,6 +4,7 @@
+ #include <linux/socket.h>
+ #include <linux/un.h>
+ #include <linux/mutex.h>
++#include <linux/vs_base.h>
+ #include <net/sock.h>
+
+ extern void unix_inflight(struct file *fp);
+diff -NurpP --minimal linux-3.7.10/include/net/inet_timewait_sock.h linux-3.7.10-vs2.3.5.6/include/net/inet_timewait_sock.h
+--- linux-3.7.10/include/net/inet_timewait_sock.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/inet_timewait_sock.h 2012-12-18 15:13:16.000000000 +0000
+@@ -112,6 +112,10 @@ struct inet_timewait_sock {
+ #define tw_net __tw_common.skc_net
+ #define tw_daddr __tw_common.skc_daddr
+ #define tw_rcv_saddr __tw_common.skc_rcv_saddr
++#define tw_xid __tw_common.skc_xid
++#define tw_vx_info __tw_common.skc_vx_info
++#define tw_nid __tw_common.skc_nid
++#define tw_nx_info __tw_common.skc_nx_info
+ int tw_timeout;
+ volatile unsigned char tw_substate;
+ unsigned char tw_rcv_wscale;
+diff -NurpP --minimal linux-3.7.10/include/net/ip6_route.h linux-3.7.10-vs2.3.5.6/include/net/ip6_route.h
+--- linux-3.7.10/include/net/ip6_route.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/ip6_route.h 2012-12-18 15:13:16.000000000 +0000
+@@ -97,7 +97,8 @@ extern int ip6_route_get_saddr(struct
+ struct rt6_info *rt,
+ const struct in6_addr *daddr,
+ unsigned int prefs,
+- struct in6_addr *saddr);
++ struct in6_addr *saddr,
++ struct nx_info *nxi);
+
+ extern struct rt6_info *rt6_lookup(struct net *net,
+ const struct in6_addr *daddr,
+diff -NurpP --minimal linux-3.7.10/include/net/route.h linux-3.7.10-vs2.3.5.6/include/net/route.h
+--- linux-3.7.10/include/net/route.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/route.h 2012-12-18 15:13:16.000000000 +0000
+@@ -204,6 +204,9 @@ static inline void ip_rt_put(struct rtab
+ dst_release(&rt->dst);
+ }
+
++#include <linux/vs_base.h>
++#include <linux/vs_inet.h>
++
+ #define IPTOS_RT_MASK (IPTOS_TOS_MASK & ~3)
+
+ extern const __u8 ip_tos2prio[16];
+@@ -253,6 +256,9 @@ static inline void ip_route_connect_init
+ protocol, flow_flags, dst, src, dport, sport);
+ }
+
++extern struct rtable *ip_v4_find_src(struct net *net, struct nx_info *,
++ struct flowi4 *);
++
+ static inline struct rtable *ip_route_connect(struct flowi4 *fl4,
+ __be32 dst, __be32 src, u32 tos,
+ int oif, u8 protocol,
+@@ -261,11 +267,25 @@ static inline struct rtable *ip_route_co
+ {
+ struct net *net = sock_net(sk);
+ struct rtable *rt;
++ struct nx_info *nx_info = current_nx_info();
+
+ ip_route_connect_init(fl4, dst, src, tos, oif, protocol,
+ sport, dport, sk, can_sleep);
+
+- if (!dst || !src) {
++ if (sk)
++ nx_info = sk->sk_nx_info;
++
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_route_connect(%p) %p,%p;%lx",
++ sk, nx_info, sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
++
++ rt = ip_v4_find_src(net, nx_info, fl4);
++ if (IS_ERR(rt))
++ return rt;
++ ip_rt_put(rt);
++
++ if (!fl4->daddr || !fl4->saddr) {
+ rt = __ip_route_output_key(net, fl4);
+ if (IS_ERR(rt))
+ return rt;
+diff -NurpP --minimal linux-3.7.10/include/net/sock.h linux-3.7.10-vs2.3.5.6/include/net/sock.h
+--- linux-3.7.10/include/net/sock.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/sock.h 2012-12-18 15:13:16.000000000 +0000
+@@ -171,6 +171,10 @@ struct sock_common {
+ #ifdef CONFIG_NET_NS
+ struct net *skc_net;
+ #endif
++ xid_t skc_xid;
++ struct vx_info *skc_vx_info;
++ nid_t skc_nid;
++ struct nx_info *skc_nx_info;
+ /*
+ * fields between dontcopy_begin/dontcopy_end
+ * are not copied in sock_copy()
+@@ -283,6 +287,10 @@ struct sock {
+ #define sk_bind_node __sk_common.skc_bind_node
+ #define sk_prot __sk_common.skc_prot
+ #define sk_net __sk_common.skc_net
++#define sk_xid __sk_common.skc_xid
++#define sk_vx_info __sk_common.skc_vx_info
++#define sk_nid __sk_common.skc_nid
++#define sk_nx_info __sk_common.skc_nx_info
+ socket_lock_t sk_lock;
+ struct sk_buff_head sk_receive_queue;
+ /*
+diff -NurpP --minimal linux-3.7.10/include/uapi/Kbuild linux-3.7.10-vs2.3.5.6/include/uapi/Kbuild
+--- linux-3.7.10/include/uapi/Kbuild 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/Kbuild 2012-12-18 15:13:16.000000000 +0000
+@@ -12,3 +12,4 @@ header-y += video/
+ header-y += drm/
+ header-y += xen/
+ header-y += scsi/
++header-y += vserver/
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/capability.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/capability.h
+--- linux-3.7.10/include/uapi/linux/capability.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/capability.h 2012-12-18 15:13:16.000000000 +0000
+@@ -259,6 +259,7 @@ struct vfs_cap_data {
+ arbitrary SCSI commands */
+ /* Allow setting encryption key on loopback filesystem */
+ /* Allow setting zone reclaim policy */
++/* Allow the selection of a security context */
+
+ #define CAP_SYS_ADMIN 21
+
+@@ -345,7 +346,12 @@ struct vfs_cap_data {
+
+ #define CAP_LAST_CAP CAP_BLOCK_SUSPEND
+
+-#define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)
++/* Allow context manipulations */
++/* Allow changing context info on files */
++
++#define CAP_CONTEXT 63
++
++#define cap_valid(x) ((x) >= 0 && ((x) <= CAP_LAST_CAP || (x) == CAP_CONTEXT))
+
+ /*
+ * Bit location of each capability (used by user-space library and kernel)
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/fs.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/fs.h
+--- linux-3.7.10/include/uapi/linux/fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -86,6 +86,9 @@ struct inodes_stat_t {
+ #define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */
+ #define MS_I_VERSION (1<<23) /* Update inode I_version field */
+ #define MS_STRICTATIME (1<<24) /* Always perform atime updates */
++#define MS_TAGGED (1<<25) /* use generic inode tagging */
++#define MS_TAGID (1<<26) /* use specific tag for this mount */
++#define MS_NOTAGCHECK (1<<27) /* don't check tags */
+ #define MS_NOSEC (1<<28)
+ #define MS_BORN (1<<29)
+ #define MS_ACTIVE (1<<30)
+@@ -189,11 +192,14 @@ struct inodes_stat_t {
+ #define FS_EXTENT_FL 0x00080000 /* Extents */
+ #define FS_DIRECTIO_FL 0x00100000 /* Use direct i/o */
+ #define FS_NOCOW_FL 0x00800000 /* Do not cow file */
++#define FS_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */
+
+-#define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
+-#define FS_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
++#define FS_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define FS_COW_FL 0x20000000 /* Copy on Write marker */
+
++#define FS_FL_USER_VISIBLE 0x0103DFFF /* User visible flags */
++#define FS_FL_USER_MODIFIABLE 0x010380FF /* User modifiable flags */
+
+ #define SYNC_FILE_RANGE_WAIT_BEFORE 1
+ #define SYNC_FILE_RANGE_WRITE 2
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/gfs2_ondisk.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/gfs2_ondisk.h
+--- linux-3.7.10/include/uapi/linux/gfs2_ondisk.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/gfs2_ondisk.h 2012-12-18 15:13:16.000000000 +0000
+@@ -225,6 +225,9 @@ enum {
+ gfs2fl_Sync = 8,
+ gfs2fl_System = 9,
+ gfs2fl_TopLevel = 10,
++ gfs2fl_IXUnlink = 16,
++ gfs2fl_Barrier = 17,
++ gfs2fl_Cow = 18,
+ gfs2fl_TruncInProg = 29,
+ gfs2fl_InheritDirectio = 30,
+ gfs2fl_InheritJdata = 31,
+@@ -242,6 +245,9 @@ enum {
+ #define GFS2_DIF_SYNC 0x00000100
+ #define GFS2_DIF_SYSTEM 0x00000200 /* New in gfs2 */
+ #define GFS2_DIF_TOPDIR 0x00000400 /* New in gfs2 */
++#define GFS2_DIF_IXUNLINK 0x00010000
++#define GFS2_DIF_BARRIER 0x00020000
++#define GFS2_DIF_COW 0x00040000
+ #define GFS2_DIF_TRUNC_IN_PROG 0x20000000 /* New in gfs2 */
+ #define GFS2_DIF_INHERIT_DIRECTIO 0x40000000 /* only in gfs1 */
+ #define GFS2_DIF_INHERIT_JDATA 0x80000000
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/if_tun.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/if_tun.h
+--- linux-3.7.10/include/uapi/linux/if_tun.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/if_tun.h 2012-12-18 15:13:16.000000000 +0000
+@@ -53,6 +53,7 @@
+ #define TUNDETACHFILTER _IOW('T', 214, struct sock_fprog)
+ #define TUNGETVNETHDRSZ _IOR('T', 215, int)
+ #define TUNSETVNETHDRSZ _IOW('T', 216, int)
++#define TUNSETNID _IOW('T', 217, int)
+
+ /* TUNSETIFF ifr flags */
+ #define IFF_TUN 0x0001
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/major.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/major.h
+--- linux-3.7.10/include/uapi/linux/major.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/major.h 2012-12-18 15:13:16.000000000 +0000
+@@ -15,6 +15,7 @@
+ #define HD_MAJOR IDE0_MAJOR
+ #define PTY_SLAVE_MAJOR 3
+ #define TTY_MAJOR 4
++#define VROOT_MAJOR 4
+ #define TTYAUX_MAJOR 5
+ #define LP_MAJOR 6
+ #define VCS_MAJOR 7
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/nfs_mount.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/nfs_mount.h
+--- linux-3.7.10/include/uapi/linux/nfs_mount.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/nfs_mount.h 2012-12-18 15:13:16.000000000 +0000
+@@ -63,7 +63,8 @@ struct nfs_mount_data {
+ #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 */
+ #define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */
+ #define NFS_MOUNT_UNSHARED 0x8000 /* 5 */
+-#define NFS_MOUNT_FLAGMASK 0xFFFF
++#define NFS_MOUNT_TAGGED 0x10000 /* context tagging */
++#define NFS_MOUNT_FLAGMASK 0x1FFFF
+
+ /* The following are for internal use only */
+ #define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/reboot.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/reboot.h
+--- linux-3.7.10/include/uapi/linux/reboot.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/reboot.h 2012-12-18 15:13:16.000000000 +0000
+@@ -33,7 +33,7 @@
+ #define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4
+ #define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2
+ #define LINUX_REBOOT_CMD_KEXEC 0x45584543
+-
++#define LINUX_REBOOT_CMD_OOM 0xDEADBEEF
+
+
+ #endif /* _UAPI_LINUX_REBOOT_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/sysctl.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/sysctl.h
+--- linux-3.7.10/include/uapi/linux/sysctl.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/sysctl.h 2012-12-18 15:13:16.000000000 +0000
+@@ -60,6 +60,7 @@ enum
+ CTL_ABI=9, /* Binary emulation */
+ CTL_CPU=10, /* CPU stuff (speed scaling, etc) */
+ CTL_ARLAN=254, /* arlan wireless driver */
++ CTL_VSERVER=4242, /* Linux-VServer debug */
+ CTL_S390DBF=5677, /* s390 debug */
+ CTL_SUNRPC=7249, /* sunrpc debug */
+ CTL_PM=9899, /* frv power management */
+@@ -94,6 +95,7 @@ enum
+
+ KERN_PANIC=15, /* int: panic timeout */
+ KERN_REALROOTDEV=16, /* real root device to mount after initrd */
++ KERN_VSHELPER=17, /* string: path to vshelper policy agent */
+
+ KERN_SPARC_REBOOT=21, /* reboot command on Sparc */
+ KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/Kbuild linux-3.7.10-vs2.3.5.6/include/uapi/vserver/Kbuild
+--- linux-3.7.10/include/uapi/vserver/Kbuild 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/Kbuild 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,9 @@
++
++header-y += context_cmd.h network_cmd.h space_cmd.h \
++ cacct_cmd.h cvirt_cmd.h limit_cmd.h dlimit_cmd.h \
++ inode_cmd.h tag_cmd.h sched_cmd.h signal_cmd.h \
++ debug_cmd.h device_cmd.h
++
++header-y += switch.h context.h network.h monitor.h \
++ limit.h inode.h device.h
++
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/cacct_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/cacct_cmd.h
+--- linux-3.7.10/include/uapi/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/cacct_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,15 @@
++#ifndef _UAPI_VS_CACCT_CMD_H
++#define _UAPI_VS_CACCT_CMD_H
++
++
++/* virtual host info name commands */
++
++#define VCMD_sock_stat VC_CMD(VSTAT, 5, 0)
++
++struct vcmd_sock_stat_v0 {
++ uint32_t field;
++ uint32_t count[3];
++ uint64_t total[3];
++};
++
++#endif /* _UAPI_VS_CACCT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/context.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/context.h
+--- linux-3.7.10/include/uapi/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/context.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,80 @@
++#ifndef _UAPI_VS_CONTEXT_H
++#define _UAPI_VS_CONTEXT_H
++
++#include <linux/types.h>
++#include <linux/capability.h>
++
++
++/* context flags */
++
++#define VXF_INFO_SCHED 0x00000002
++#define VXF_INFO_NPROC 0x00000004
++#define VXF_INFO_PRIVATE 0x00000008
++
++#define VXF_INFO_INIT 0x00000010
++#define VXF_INFO_HIDE 0x00000020
++#define VXF_INFO_ULIMIT 0x00000040
++#define VXF_INFO_NSPACE 0x00000080
++
++#define VXF_SCHED_HARD 0x00000100
++#define VXF_SCHED_PRIO 0x00000200
++#define VXF_SCHED_PAUSE 0x00000400
++
++#define VXF_VIRT_MEM 0x00010000
++#define VXF_VIRT_UPTIME 0x00020000
++#define VXF_VIRT_CPU 0x00040000
++#define VXF_VIRT_LOAD 0x00080000
++#define VXF_VIRT_TIME 0x00100000
++
++#define VXF_HIDE_MOUNT 0x01000000
++/* was VXF_HIDE_NETIF 0x02000000 */
++#define VXF_HIDE_VINFO 0x04000000
++
++#define VXF_STATE_SETUP (1ULL << 32)
++#define VXF_STATE_INIT (1ULL << 33)
++#define VXF_STATE_ADMIN (1ULL << 34)
++
++#define VXF_SC_HELPER (1ULL << 36)
++#define VXF_REBOOT_KILL (1ULL << 37)
++#define VXF_PERSISTENT (1ULL << 38)
++
++#define VXF_FORK_RSS (1ULL << 48)
++#define VXF_PROLIFIC (1ULL << 49)
++
++#define VXF_IGNEG_NICE (1ULL << 52)
++
++#define VXF_ONE_TIME (0x0007ULL << 32)
++
++#define VXF_INIT_SET (VXF_STATE_SETUP | VXF_STATE_INIT | VXF_STATE_ADMIN)
++
++
++/* context migration */
++
++#define VXM_SET_INIT 0x00000001
++#define VXM_SET_REAPER 0x00000002
++
++/* context caps */
++
++#define VXC_SET_UTSNAME 0x00000001
++#define VXC_SET_RLIMIT 0x00000002
++#define VXC_FS_SECURITY 0x00000004
++#define VXC_FS_TRUSTED 0x00000008
++#define VXC_TIOCSTI 0x00000010
++
++/* was VXC_RAW_ICMP 0x00000100 */
++#define VXC_SYSLOG 0x00001000
++#define VXC_OOM_ADJUST 0x00002000
++#define VXC_AUDIT_CONTROL 0x00004000
++
++#define VXC_SECURE_MOUNT 0x00010000
++#define VXC_SECURE_REMOUNT 0x00020000
++#define VXC_BINARY_MOUNT 0x00040000
++
++#define VXC_QUOTA_CTL 0x00100000
++#define VXC_ADMIN_MAPPER 0x00200000
++#define VXC_ADMIN_CLOOP 0x00400000
++
++#define VXC_KTHREAD 0x01000000
++#define VXC_NAMESPACE 0x02000000
++
++#endif /* _UAPI_VS_CONTEXT_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/context_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/context_cmd.h
+--- linux-3.7.10/include/uapi/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/context_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,115 @@
++#ifndef _UAPI_VS_CONTEXT_CMD_H
++#define _UAPI_VS_CONTEXT_CMD_H
++
++
++/* vinfo commands */
++
++#define VCMD_task_xid VC_CMD(VINFO, 1, 0)
++
++
++#define VCMD_vx_info VC_CMD(VINFO, 5, 0)
++
++struct vcmd_vx_info_v0 {
++ uint32_t xid;
++ uint32_t initpid;
++ /* more to come */
++};
++
++
++#define VCMD_ctx_stat VC_CMD(VSTAT, 0, 0)
++
++struct vcmd_ctx_stat_v0 {
++ uint32_t usecnt;
++ uint32_t tasks;
++ /* more to come */
++};
++
++
++/* context commands */
++
++#define VCMD_ctx_create_v0 VC_CMD(VPROC, 1, 0)
++#define VCMD_ctx_create VC_CMD(VPROC, 1, 1)
++
++struct vcmd_ctx_create {
++ uint64_t flagword;
++};
++
++#define VCMD_ctx_migrate_v0 VC_CMD(PROCMIG, 1, 0)
++#define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 1)
++
++struct vcmd_ctx_migrate {
++ uint64_t flagword;
++};
++
++
++
++/* flag commands */
++
++#define VCMD_get_cflags VC_CMD(FLAGS, 1, 0)
++#define VCMD_set_cflags VC_CMD(FLAGS, 2, 0)
++
++struct vcmd_ctx_flags_v0 {
++ uint64_t flagword;
++ uint64_t mask;
++};
++
++
++
++/* context caps commands */
++
++#define VCMD_get_ccaps VC_CMD(FLAGS, 3, 1)
++#define VCMD_set_ccaps VC_CMD(FLAGS, 4, 1)
++
++struct vcmd_ctx_caps_v1 {
++ uint64_t ccaps;
++ uint64_t cmask;
++};
++
++
++
++/* bcaps commands */
++
++#define VCMD_get_bcaps VC_CMD(FLAGS, 9, 0)
++#define VCMD_set_bcaps VC_CMD(FLAGS, 10, 0)
++
++struct vcmd_bcaps {
++ uint64_t bcaps;
++ uint64_t bmask;
++};
++
++
++
++/* umask commands */
++
++#define VCMD_get_umask VC_CMD(FLAGS, 13, 0)
++#define VCMD_set_umask VC_CMD(FLAGS, 14, 0)
++
++struct vcmd_umask {
++ uint64_t umask;
++ uint64_t mask;
++};
++
++
++
++/* wmask commands */
++
++#define VCMD_get_wmask VC_CMD(FLAGS, 15, 0)
++#define VCMD_set_wmask VC_CMD(FLAGS, 16, 0)
++
++struct vcmd_wmask {
++ uint64_t wmask;
++ uint64_t mask;
++};
++
++
++
++/* OOM badness */
++
++#define VCMD_get_badness VC_CMD(MEMCTRL, 5, 0)
++#define VCMD_set_badness VC_CMD(MEMCTRL, 6, 0)
++
++struct vcmd_badness_v0 {
++ int64_t bias;
++};
++
++#endif /* _UAPI_VS_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/cvirt_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/cvirt_cmd.h
+--- linux-3.7.10/include/uapi/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/cvirt_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,41 @@
++#ifndef _UAPI_VS_CVIRT_CMD_H
++#define _UAPI_VS_CVIRT_CMD_H
++
++
++/* virtual host info name commands */
++
++#define VCMD_set_vhi_name VC_CMD(VHOST, 1, 0)
++#define VCMD_get_vhi_name VC_CMD(VHOST, 2, 0)
++
++struct vcmd_vhi_name_v0 {
++ uint32_t field;
++ char name[65];
++};
++
++
++enum vhi_name_field {
++ VHIN_CONTEXT = 0,
++ VHIN_SYSNAME,
++ VHIN_NODENAME,
++ VHIN_RELEASE,
++ VHIN_VERSION,
++ VHIN_MACHINE,
++ VHIN_DOMAINNAME,
++};
++
++
++
++#define VCMD_virt_stat VC_CMD(VSTAT, 3, 0)
++
++struct vcmd_virt_stat_v0 {
++ uint64_t offset;
++ uint64_t uptime;
++ uint32_t nr_threads;
++ uint32_t nr_running;
++ uint32_t nr_uninterruptible;
++ uint32_t nr_onhold;
++ uint32_t nr_forks;
++ uint32_t load[3];
++};
++
++#endif /* _UAPI_VS_CVIRT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/debug_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/debug_cmd.h
+--- linux-3.7.10/include/uapi/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/debug_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,24 @@
++#ifndef _UAPI_VS_DEBUG_CMD_H
++#define _UAPI_VS_DEBUG_CMD_H
++
++
++/* debug commands */
++
++#define VCMD_dump_history VC_CMD(DEBUG, 1, 0)
++
++#define VCMD_read_history VC_CMD(DEBUG, 5, 0)
++#define VCMD_read_monitor VC_CMD(DEBUG, 6, 0)
++
++struct vcmd_read_history_v0 {
++ uint32_t index;
++ uint32_t count;
++ char __user *data;
++};
++
++struct vcmd_read_monitor_v0 {
++ uint32_t index;
++ uint32_t count;
++ char __user *data;
++};
++
++#endif /* _UAPI_VS_DEBUG_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/device.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/device.h
+--- linux-3.7.10/include/uapi/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/device.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,12 @@
++#ifndef _UAPI_VS_DEVICE_H
++#define _UAPI_VS_DEVICE_H
++
++
++#define DATTR_CREATE 0x00000001
++#define DATTR_OPEN 0x00000002
++
++#define DATTR_REMAP 0x00000010
++
++#define DATTR_MASK 0x00000013
++
++#endif /* _UAPI_VS_DEVICE_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/device_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/device_cmd.h
+--- linux-3.7.10/include/uapi/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/device_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,16 @@
++#ifndef _UAPI_VS_DEVICE_CMD_H
++#define _UAPI_VS_DEVICE_CMD_H
++
++
++/* device vserver commands */
++
++#define VCMD_set_mapping VC_CMD(DEVICE, 1, 0)
++#define VCMD_unset_mapping VC_CMD(DEVICE, 2, 0)
++
++struct vcmd_set_mapping_v0 {
++ const char __user *device;
++ const char __user *target;
++ uint32_t flags;
++};
++
++#endif /* _UAPI_VS_DEVICE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/dlimit_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/dlimit_cmd.h
+--- linux-3.7.10/include/uapi/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/dlimit_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,67 @@
++#ifndef _UAPI_VS_DLIMIT_CMD_H
++#define _UAPI_VS_DLIMIT_CMD_H
++
++
++/* dlimit vserver commands */
++
++#define VCMD_add_dlimit VC_CMD(DLIMIT, 1, 0)
++#define VCMD_rem_dlimit VC_CMD(DLIMIT, 2, 0)
++
++#define VCMD_set_dlimit VC_CMD(DLIMIT, 5, 0)
++#define VCMD_get_dlimit VC_CMD(DLIMIT, 6, 0)
++
++struct vcmd_ctx_dlimit_base_v0 {
++ const char __user *name;
++ uint32_t flags;
++};
++
++struct vcmd_ctx_dlimit_v0 {
++ const char __user *name;
++ uint32_t space_used; /* used space in kbytes */
++ uint32_t space_total; /* maximum space in kbytes */
++ uint32_t inodes_used; /* used inodes */
++ uint32_t inodes_total; /* maximum inodes */
++ uint32_t reserved; /* reserved for root in % */
++ uint32_t flags;
++};
++
++#define CDLIM_UNSET ((uint32_t)0UL)
++#define CDLIM_INFINITY ((uint32_t)~0UL)
++#define CDLIM_KEEP ((uint32_t)~1UL)
++
++#define DLIME_UNIT 0
++#define DLIME_KILO 1
++#define DLIME_MEGA 2
++#define DLIME_GIGA 3
++
++#define DLIMF_SHIFT 0x10
++
++#define DLIMS_USED 0
++#define DLIMS_TOTAL 2
++
++static inline
++uint64_t dlimit_space_32to64(uint32_t val, uint32_t flags, int shift)
++{
++ int exp = (flags & DLIMF_SHIFT) ?
++ (flags >> shift) & DLIME_GIGA : DLIME_KILO;
++ return ((uint64_t)val) << (10 * exp);
++}
++
++static inline
++uint32_t dlimit_space_64to32(uint64_t val, uint32_t *flags, int shift)
++{
++ int exp = 0;
++
++ if (*flags & DLIMF_SHIFT) {
++ while (val > (1LL << 32) && (exp < 3)) {
++ val >>= 10;
++ exp++;
++ }
++ *flags &= ~(DLIME_GIGA << shift);
++ *flags |= exp << shift;
++ } else
++ val >>= 10;
++ return val;
++}
++
++#endif /* _UAPI_VS_DLIMIT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/inode.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/inode.h
+--- linux-3.7.10/include/uapi/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _UAPI_VS_INODE_H
++#define _UAPI_VS_INODE_H
++
++
++#define IATTR_TAG 0x01000000
++
++#define IATTR_ADMIN 0x00000001
++#define IATTR_WATCH 0x00000002
++#define IATTR_HIDE 0x00000004
++#define IATTR_FLAGS 0x00000007
++
++#define IATTR_BARRIER 0x00010000
++#define IATTR_IXUNLINK 0x00020000
++#define IATTR_IMMUTABLE 0x00040000
++#define IATTR_COW 0x00080000
++
++
++/* inode ioctls */
++
++#define FIOC_GETXFLG _IOR('x', 5, long)
++#define FIOC_SETXFLG _IOW('x', 6, long)
++
++#endif /* _UAPI_VS_INODE_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/inode_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/inode_cmd.h
+--- linux-3.7.10/include/uapi/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/inode_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,26 @@
++#ifndef _UAPI_VS_INODE_CMD_H
++#define _UAPI_VS_INODE_CMD_H
++
++
++/* inode vserver commands */
++
++#define VCMD_get_iattr VC_CMD(INODE, 1, 1)
++#define VCMD_set_iattr VC_CMD(INODE, 2, 1)
++
++#define VCMD_fget_iattr VC_CMD(INODE, 3, 0)
++#define VCMD_fset_iattr VC_CMD(INODE, 4, 0)
++
++struct vcmd_ctx_iattr_v1 {
++ const char __user *name;
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
++
++struct vcmd_ctx_fiattr_v0 {
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
++
++#endif /* _UAPI_VS_INODE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/limit.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/limit.h
+--- linux-3.7.10/include/uapi/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/limit.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _UAPI_VS_LIMIT_H
++#define _UAPI_VS_LIMIT_H
++
++
++#define VLIMIT_NSOCK 16
++#define VLIMIT_OPENFD 17
++#define VLIMIT_ANON 18
++#define VLIMIT_SHMEM 19
++#define VLIMIT_SEMARY 20
++#define VLIMIT_NSEMS 21
++#define VLIMIT_DENTRY 22
++#define VLIMIT_MAPPED 23
++
++#endif /* _UAPI_VS_LIMIT_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/limit_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/limit_cmd.h
+--- linux-3.7.10/include/uapi/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/limit_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,40 @@
++#ifndef _UAPI_VS_LIMIT_CMD_H
++#define _UAPI_VS_LIMIT_CMD_H
++
++
++/* rlimit vserver commands */
++
++#define VCMD_get_rlimit VC_CMD(RLIMIT, 1, 0)
++#define VCMD_set_rlimit VC_CMD(RLIMIT, 2, 0)
++#define VCMD_get_rlimit_mask VC_CMD(RLIMIT, 3, 0)
++#define VCMD_reset_hits VC_CMD(RLIMIT, 7, 0)
++#define VCMD_reset_minmax VC_CMD(RLIMIT, 9, 0)
++
++struct vcmd_ctx_rlimit_v0 {
++ uint32_t id;
++ uint64_t minimum;
++ uint64_t softlimit;
++ uint64_t maximum;
++};
++
++struct vcmd_ctx_rlimit_mask_v0 {
++ uint32_t minimum;
++ uint32_t softlimit;
++ uint32_t maximum;
++};
++
++#define VCMD_rlimit_stat VC_CMD(VSTAT, 1, 0)
++
++struct vcmd_rlimit_stat_v0 {
++ uint32_t id;
++ uint32_t hits;
++ uint64_t value;
++ uint64_t minimum;
++ uint64_t maximum;
++};
++
++#define CRLIM_UNSET (0ULL)
++#define CRLIM_INFINITY (~0ULL)
++#define CRLIM_KEEP (~1ULL)
++
++#endif /* _UAPI_VS_LIMIT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/monitor.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/monitor.h
+--- linux-3.7.10/include/uapi/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/monitor.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,96 @@
++#ifndef _UAPI_VS_MONITOR_H
++#define _UAPI_VS_MONITOR_H
++
++#include <linux/types.h>
++
++
++enum {
++ VXM_UNUSED = 0,
++
++ VXM_SYNC = 0x10,
++
++ VXM_UPDATE = 0x20,
++ VXM_UPDATE_1,
++ VXM_UPDATE_2,
++
++ VXM_RQINFO_1 = 0x24,
++ VXM_RQINFO_2,
++
++ VXM_ACTIVATE = 0x40,
++ VXM_DEACTIVATE,
++ VXM_IDLE,
++
++ VXM_HOLD = 0x44,
++ VXM_UNHOLD,
++
++ VXM_MIGRATE = 0x48,
++ VXM_RESCHED,
++
++ /* all other bits are flags */
++ VXM_SCHED = 0x80,
++};
++
++struct _vxm_update_1 {
++ uint32_t tokens_max;
++ uint32_t fill_rate;
++ uint32_t interval;
++};
++
++struct _vxm_update_2 {
++ uint32_t tokens_min;
++ uint32_t fill_rate;
++ uint32_t interval;
++};
++
++struct _vxm_rqinfo_1 {
++ uint16_t running;
++ uint16_t onhold;
++ uint16_t iowait;
++ uint16_t uintr;
++ uint32_t idle_tokens;
++};
++
++struct _vxm_rqinfo_2 {
++ uint32_t norm_time;
++ uint32_t idle_time;
++ uint32_t idle_skip;
++};
++
++struct _vxm_sched {
++ uint32_t tokens;
++ uint32_t norm_time;
++ uint32_t idle_time;
++};
++
++struct _vxm_task {
++ uint16_t pid;
++ uint16_t state;
++};
++
++struct _vxm_event {
++ uint32_t jif;
++ union {
++ uint32_t seq;
++ uint32_t sec;
++ };
++ union {
++ uint32_t tokens;
++ uint32_t nsec;
++ struct _vxm_task tsk;
++ };
++};
++
++struct _vx_mon_entry {
++ uint16_t type;
++ uint16_t xid;
++ union {
++ struct _vxm_event ev;
++ struct _vxm_sched sd;
++ struct _vxm_update_1 u1;
++ struct _vxm_update_2 u2;
++ struct _vxm_rqinfo_1 q1;
++ struct _vxm_rqinfo_2 q2;
++ };
++};
++
++#endif /* _UAPI_VS_MONITOR_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/network.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/network.h
+--- linux-3.7.10/include/uapi/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/network.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,76 @@
++#ifndef _UAPI_VS_NETWORK_H
++#define _UAPI_VS_NETWORK_H
++
++#include <linux/types.h>
++
++
++#define MAX_N_CONTEXT 65535 /* Arbitrary limit */
++
++
++/* network flags */
++
++#define NXF_INFO_PRIVATE 0x00000008
++
++#define NXF_SINGLE_IP 0x00000100
++#define NXF_LBACK_REMAP 0x00000200
++#define NXF_LBACK_ALLOW 0x00000400
++
++#define NXF_HIDE_NETIF 0x02000000
++#define NXF_HIDE_LBACK 0x04000000
++
++#define NXF_STATE_SETUP (1ULL << 32)
++#define NXF_STATE_ADMIN (1ULL << 34)
++
++#define NXF_SC_HELPER (1ULL << 36)
++#define NXF_PERSISTENT (1ULL << 38)
++
++#define NXF_ONE_TIME (0x0005ULL << 32)
++
++
++#define NXF_INIT_SET (__nxf_init_set())
++
++static inline uint64_t __nxf_init_set(void) {
++ return NXF_STATE_ADMIN
++#ifdef CONFIG_VSERVER_AUTO_LBACK
++ | NXF_LBACK_REMAP
++ | NXF_HIDE_LBACK
++#endif
++#ifdef CONFIG_VSERVER_AUTO_SINGLE
++ | NXF_SINGLE_IP
++#endif
++ | NXF_HIDE_NETIF;
++}
++
++
++/* network caps */
++
++#define NXC_TUN_CREATE 0x00000001
++
++#define NXC_RAW_ICMP 0x00000100
++
++#define NXC_MULTICAST 0x00001000
++
++
++/* address types */
++
++#define NXA_TYPE_IPV4 0x0001
++#define NXA_TYPE_IPV6 0x0002
++
++#define NXA_TYPE_NONE 0x0000
++#define NXA_TYPE_ANY 0x00FF
++
++#define NXA_TYPE_ADDR 0x0010
++#define NXA_TYPE_MASK 0x0020
++#define NXA_TYPE_RANGE 0x0040
++
++#define NXA_MASK_ALL (NXA_TYPE_ADDR | NXA_TYPE_MASK | NXA_TYPE_RANGE)
++
++#define NXA_MOD_BCAST 0x0100
++#define NXA_MOD_LBACK 0x0200
++
++#define NXA_LOOPBACK 0x1000
++
++#define NXA_MASK_BIND (NXA_MASK_ALL | NXA_MOD_BCAST | NXA_MOD_LBACK)
++#define NXA_MASK_SHOW (NXA_MASK_ALL | NXA_LOOPBACK)
++
++#endif /* _UAPI_VS_NETWORK_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/network_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/network_cmd.h
+--- linux-3.7.10/include/uapi/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/network_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,123 @@
++#ifndef _UAPI_VS_NETWORK_CMD_H
++#define _UAPI_VS_NETWORK_CMD_H
++
++
++/* vinfo commands */
++
++#define VCMD_task_nid VC_CMD(VINFO, 2, 0)
++
++
++#define VCMD_nx_info VC_CMD(VINFO, 6, 0)
++
++struct vcmd_nx_info_v0 {
++ uint32_t nid;
++ /* more to come */
++};
++
++
++#include <linux/in.h>
++#include <linux/in6.h>
++
++#define VCMD_net_create_v0 VC_CMD(VNET, 1, 0)
++#define VCMD_net_create VC_CMD(VNET, 1, 1)
++
++struct vcmd_net_create {
++ uint64_t flagword;
++};
++
++#define VCMD_net_migrate VC_CMD(NETMIG, 1, 0)
++
++#define VCMD_net_add VC_CMD(NETALT, 1, 0)
++#define VCMD_net_remove VC_CMD(NETALT, 2, 0)
++
++struct vcmd_net_addr_v0 {
++ uint16_t type;
++ uint16_t count;
++ struct in_addr ip[4];
++ struct in_addr mask[4];
++};
++
++#define VCMD_net_add_ipv4_v1 VC_CMD(NETALT, 1, 1)
++#define VCMD_net_rem_ipv4_v1 VC_CMD(NETALT, 2, 1)
++
++struct vcmd_net_addr_ipv4_v1 {
++ uint16_t type;
++ uint16_t flags;
++ struct in_addr ip;
++ struct in_addr mask;
++};
++
++#define VCMD_net_add_ipv4 VC_CMD(NETALT, 1, 2)
++#define VCMD_net_rem_ipv4 VC_CMD(NETALT, 2, 2)
++
++struct vcmd_net_addr_ipv4_v2 {
++ uint16_t type;
++ uint16_t flags;
++ struct in_addr ip;
++ struct in_addr ip2;
++ struct in_addr mask;
++};
++
++#define VCMD_net_add_ipv6 VC_CMD(NETALT, 3, 1)
++#define VCMD_net_remove_ipv6 VC_CMD(NETALT, 4, 1)
++
++struct vcmd_net_addr_ipv6_v1 {
++ uint16_t type;
++ uint16_t flags;
++ uint32_t prefix;
++ struct in6_addr ip;
++ struct in6_addr mask;
++};
++
++#define VCMD_add_match_ipv4 VC_CMD(NETALT, 5, 0)
++#define VCMD_get_match_ipv4 VC_CMD(NETALT, 6, 0)
++
++struct vcmd_match_ipv4_v0 {
++ uint16_t type;
++ uint16_t flags;
++ uint16_t parent;
++ uint16_t prefix;
++ struct in_addr ip;
++ struct in_addr ip2;
++ struct in_addr mask;
++};
++
++#define VCMD_add_match_ipv6 VC_CMD(NETALT, 7, 0)
++#define VCMD_get_match_ipv6 VC_CMD(NETALT, 8, 0)
++
++struct vcmd_match_ipv6_v0 {
++ uint16_t type;
++ uint16_t flags;
++ uint16_t parent;
++ uint16_t prefix;
++ struct in6_addr ip;
++ struct in6_addr ip2;
++ struct in6_addr mask;
++};
++
++
++
++
++/* flag commands */
++
++#define VCMD_get_nflags VC_CMD(FLAGS, 5, 0)
++#define VCMD_set_nflags VC_CMD(FLAGS, 6, 0)
++
++struct vcmd_net_flags_v0 {
++ uint64_t flagword;
++ uint64_t mask;
++};
++
++
++
++/* network caps commands */
++
++#define VCMD_get_ncaps VC_CMD(FLAGS, 7, 0)
++#define VCMD_set_ncaps VC_CMD(FLAGS, 8, 0)
++
++struct vcmd_net_caps_v0 {
++ uint64_t ncaps;
++ uint64_t cmask;
++};
++
++#endif /* _UAPI_VS_NETWORK_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/sched_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/sched_cmd.h
+--- linux-3.7.10/include/uapi/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/sched_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _UAPI_VS_SCHED_CMD_H
++#define _UAPI_VS_SCHED_CMD_H
++
++
++struct vcmd_prio_bias {
++ int32_t cpu_id;
++ int32_t prio_bias;
++};
++
++#define VCMD_set_prio_bias VC_CMD(SCHED, 4, 0)
++#define VCMD_get_prio_bias VC_CMD(SCHED, 5, 0)
++
++#endif /* _UAPI_VS_SCHED_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/signal_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/signal_cmd.h
+--- linux-3.7.10/include/uapi/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/signal_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,31 @@
++#ifndef _UAPI_VS_SIGNAL_CMD_H
++#define _UAPI_VS_SIGNAL_CMD_H
++
++
++/* signalling vserver commands */
++
++#define VCMD_ctx_kill VC_CMD(PROCTRL, 1, 0)
++#define VCMD_wait_exit VC_CMD(EVENT, 99, 0)
++
++struct vcmd_ctx_kill_v0 {
++ int32_t pid;
++ int32_t sig;
++};
++
++struct vcmd_wait_exit_v0 {
++ int32_t reboot_cmd;
++ int32_t exit_code;
++};
++
++
++/* process alteration commands */
++
++#define VCMD_get_pflags VC_CMD(PROCALT, 5, 0)
++#define VCMD_set_pflags VC_CMD(PROCALT, 6, 0)
++
++struct vcmd_pflags_v0 {
++ uint32_t flagword;
++ uint32_t mask;
++};
++
++#endif /* _UAPI_VS_SIGNAL_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/space_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/space_cmd.h
+--- linux-3.7.10/include/uapi/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/space_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,28 @@
++#ifndef _UAPI_VS_SPACE_CMD_H
++#define _UAPI_VS_SPACE_CMD_H
++
++
++#define VCMD_enter_space_v0 VC_CMD(PROCALT, 1, 0)
++#define VCMD_enter_space_v1 VC_CMD(PROCALT, 1, 1)
++#define VCMD_enter_space VC_CMD(PROCALT, 1, 2)
++
++#define VCMD_set_space_v0 VC_CMD(PROCALT, 3, 0)
++#define VCMD_set_space_v1 VC_CMD(PROCALT, 3, 1)
++#define VCMD_set_space VC_CMD(PROCALT, 3, 2)
++
++#define VCMD_get_space_mask_v0 VC_CMD(PROCALT, 4, 0)
++
++#define VCMD_get_space_mask VC_CMD(VSPACE, 0, 1)
++#define VCMD_get_space_default VC_CMD(VSPACE, 1, 0)
++
++
++struct vcmd_space_mask_v1 {
++ uint64_t mask;
++};
++
++struct vcmd_space_mask_v2 {
++ uint64_t mask;
++ uint32_t index;
++};
++
++#endif /* _UAPI_VS_SPACE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/switch.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/switch.h
+--- linux-3.7.10/include/uapi/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/switch.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,90 @@
++#ifndef _UAPI_VS_SWITCH_H
++#define _UAPI_VS_SWITCH_H
++
++#include <linux/types.h>
++
++
++#define VC_CATEGORY(c) (((c) >> 24) & 0x3F)
++#define VC_COMMAND(c) (((c) >> 16) & 0xFF)
++#define VC_VERSION(c) ((c) & 0xFFF)
++
++#define VC_CMD(c, i, v) ((((VC_CAT_ ## c) & 0x3F) << 24) \
++ | (((i) & 0xFF) << 16) | ((v) & 0xFFF))
++
++/*
++
++ Syscall Matrix V2.8
++
++ |VERSION|CREATE |MODIFY |MIGRATE|CONTROL|EXPERIM| |SPECIAL|SPECIAL|
++ |STATS |DESTROY|ALTER |CHANGE |LIMIT |TEST | | | |
++ |INFO |SETUP | |MOVE | | | | | |
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ SYSTEM |VERSION|VSETUP |VHOST | | | | |DEVICE | |
++ HOST | 00| 01| 02| 03| 04| 05| | 06| 07|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ CPU | |VPROC |PROCALT|PROCMIG|PROCTRL| | |SCHED. | |
++ PROCESS| 08| 09| 10| 11| 12| 13| | 14| 15|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ MEMORY | | | | |MEMCTRL| | |SWAP | |
++ | 16| 17| 18| 19| 20| 21| | 22| 23|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ NETWORK| |VNET |NETALT |NETMIG |NETCTL | | |SERIAL | |
++ | 24| 25| 26| 27| 28| 29| | 30| 31|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ DISK | | | |TAGMIG |DLIMIT | | |INODE | |
++ VFS | 32| 33| 34| 35| 36| 37| | 38| 39|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ OTHER |VSTAT | | | | | | |VINFO | |
++ | 40| 41| 42| 43| 44| 45| | 46| 47|
++ =======+=======+=======+=======+=======+=======+=======+ +=======+=======+
++ SPECIAL|EVENT | | | |FLAGS | | |VSPACE | |
++ | 48| 49| 50| 51| 52| 53| | 54| 55|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ SPECIAL|DEBUG | | | |RLIMIT |SYSCALL| | |COMPAT |
++ | 56| 57| 58| 59| 60|TEST 61| | 62| 63|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++
++*/
++
++#define VC_CAT_VERSION 0
++
++#define VC_CAT_VSETUP 1
++#define VC_CAT_VHOST 2
++
++#define VC_CAT_DEVICE 6
++
++#define VC_CAT_VPROC 9
++#define VC_CAT_PROCALT 10
++#define VC_CAT_PROCMIG 11
++#define VC_CAT_PROCTRL 12
++
++#define VC_CAT_SCHED 14
++#define VC_CAT_MEMCTRL 20
++
++#define VC_CAT_VNET 25
++#define VC_CAT_NETALT 26
++#define VC_CAT_NETMIG 27
++#define VC_CAT_NETCTRL 28
++
++#define VC_CAT_TAGMIG 35
++#define VC_CAT_DLIMIT 36
++#define VC_CAT_INODE 38
++
++#define VC_CAT_VSTAT 40
++#define VC_CAT_VINFO 46
++#define VC_CAT_EVENT 48
++
++#define VC_CAT_FLAGS 52
++#define VC_CAT_VSPACE 54
++#define VC_CAT_DEBUG 56
++#define VC_CAT_RLIMIT 60
++
++#define VC_CAT_SYSTEST 61
++#define VC_CAT_COMPAT 63
++
++/* query version */
++
++#define VCMD_get_version VC_CMD(VERSION, 0, 0)
++#define VCMD_get_vci VC_CMD(VERSION, 1, 0)
++
++#endif /* _UAPI_VS_SWITCH_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/tag_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/tag_cmd.h
+--- linux-3.7.10/include/uapi/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/tag_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _UAPI_VS_TAG_CMD_H
++#define _UAPI_VS_TAG_CMD_H
++
++
++/* vinfo commands */
++
++#define VCMD_task_tag VC_CMD(VINFO, 3, 0)
++
++
++/* context commands */
++
++#define VCMD_tag_migrate VC_CMD(TAGMIG, 1, 0)
++
++#endif /* _UAPI_VS_TAG_CMD_H */
+diff -NurpP --minimal linux-3.7.10/init/Kconfig linux-3.7.10-vs2.3.5.6/init/Kconfig
+--- linux-3.7.10/init/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/init/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -699,6 +699,7 @@ config HAVE_UNSTABLE_SCHED_CLOCK
+ menuconfig CGROUPS
+ boolean "Control Group support"
+ depends on EVENTFD
++ default y
+ help
+ This option adds support for grouping sets of processes together, for
+ use with process control subsystems such as Cpusets, CFS, memory
+@@ -964,6 +965,7 @@ config USER_NS
+ bool "User namespace (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ depends on UIDGID_CONVERTED
++ depends on VSERVER_DISABLED
+ select UIDGID_STRICT_TYPE_CHECKS
+
+ default n
+diff -NurpP --minimal linux-3.7.10/init/main.c linux-3.7.10-vs2.3.5.6/init/main.c
+--- linux-3.7.10/init/main.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/init/main.c 2013-02-05 01:14:43.000000000 +0000
+@@ -70,6 +70,7 @@
+ #include <linux/perf_event.h>
+ #include <linux/file.h>
+ #include <linux/ptrace.h>
++#include <linux/vserver/percpu.h>
+
+ #include <asm/io.h>
+ #include <asm/bugs.h>
+diff -NurpP --minimal linux-3.7.10/ipc/mqueue.c linux-3.7.10-vs2.3.5.6/ipc/mqueue.c
+--- linux-3.7.10/ipc/mqueue.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/ipc/mqueue.c 2012-12-18 15:13:16.000000000 +0000
+@@ -35,6 +35,8 @@
+ #include <linux/ipc_namespace.h>
+ #include <linux/user_namespace.h>
+ #include <linux/slab.h>
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
+
+ #include <net/sock.h>
+ #include "util.h"
+@@ -76,6 +78,7 @@ struct mqueue_inode_info {
+ struct pid* notify_owner;
+ struct user_namespace *notify_user_ns;
+ struct user_struct *user; /* user who created, for accounting */
++ struct vx_info *vxi;
+ struct sock *notify_sock;
+ struct sk_buff *notify_cookie;
+
+@@ -234,6 +237,7 @@ static struct inode *mqueue_get_inode(st
+ if (S_ISREG(mode)) {
+ struct mqueue_inode_info *info;
+ unsigned long mq_bytes, mq_treesize;
++ struct vx_info *vxi = current_vx_info();
+
+ inode->i_fop = &mqueue_file_operations;
+ inode->i_size = FILENT_SIZE;
+@@ -247,6 +251,7 @@ static struct inode *mqueue_get_inode(st
+ info->notify_user_ns = NULL;
+ info->qsize = 0;
+ info->user = NULL; /* set when all is ok */
++ info->vxi = NULL;
+ info->msg_tree = RB_ROOT;
+ info->node_cache = NULL;
+ memset(&info->attr, 0, sizeof(info->attr));
+@@ -280,17 +285,20 @@ static struct inode *mqueue_get_inode(st
+
+ spin_lock(&mq_lock);
+ if (u->mq_bytes + mq_bytes < u->mq_bytes ||
+- u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE)) {
++ u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE) ||
++ !vx_ipcmsg_avail(vxi, mq_bytes)) {
+ spin_unlock(&mq_lock);
+ /* mqueue_evict_inode() releases info->messages */
+ ret = -EMFILE;
+ goto out_inode;
+ }
+ u->mq_bytes += mq_bytes;
++ vx_ipcmsg_add(vxi, u, mq_bytes);
+ spin_unlock(&mq_lock);
+
+ /* all is ok */
+ info->user = get_uid(u);
++ info->vxi = get_vx_info(vxi);
+ } else if (S_ISDIR(mode)) {
+ inc_nlink(inode);
+ /* Some things misbehave if size == 0 on a directory */
+@@ -394,8 +402,11 @@ static void mqueue_evict_inode(struct in
+
+ user = info->user;
+ if (user) {
++ struct vx_info *vxi = info->vxi;
++
+ spin_lock(&mq_lock);
+ user->mq_bytes -= mq_bytes;
++ vx_ipcmsg_sub(vxi, user, mq_bytes);
+ /*
+ * get_ns_from_inode() ensures that the
+ * (ipc_ns = sb->s_fs_info) is either a valid ipc_ns
+@@ -405,6 +416,7 @@ static void mqueue_evict_inode(struct in
+ if (ipc_ns)
+ ipc_ns->mq_queues_count--;
+ spin_unlock(&mq_lock);
++ put_vx_info(vxi);
+ free_uid(user);
+ }
+ if (ipc_ns)
+diff -NurpP --minimal linux-3.7.10/ipc/msg.c linux-3.7.10-vs2.3.5.6/ipc/msg.c
+--- linux-3.7.10/ipc/msg.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/ipc/msg.c 2012-12-18 15:13:16.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/rwsem.h>
+ #include <linux/nsproxy.h>
+ #include <linux/ipc_namespace.h>
++#include <linux/vs_base.h>
+
+ #include <asm/current.h>
+ #include <asm/uaccess.h>
+@@ -190,6 +191,7 @@ static int newque(struct ipc_namespace *
+
+ msq->q_perm.mode = msgflg & S_IRWXUGO;
+ msq->q_perm.key = key;
++ msq->q_perm.xid = vx_current_xid();
+
+ msq->q_perm.security = NULL;
+ retval = security_msg_queue_alloc(msq);
+diff -NurpP --minimal linux-3.7.10/ipc/namespace.c linux-3.7.10-vs2.3.5.6/ipc/namespace.c
+--- linux-3.7.10/ipc/namespace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/ipc/namespace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -13,11 +13,12 @@
+ #include <linux/mount.h>
+ #include <linux/user_namespace.h>
+ #include <linux/proc_fs.h>
++#include <linux/vs_base.h>
++#include <linux/vserver/global.h>
+
+ #include "util.h"
+
+-static struct ipc_namespace *create_ipc_ns(struct task_struct *tsk,
+- struct ipc_namespace *old_ns)
++static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns)
+ {
+ struct ipc_namespace *ns;
+ int err;
+@@ -46,19 +47,19 @@ static struct ipc_namespace *create_ipc_
+ ipcns_notify(IPCNS_CREATED);
+ register_ipcns_notifier(ns);
+
+- ns->user_ns = get_user_ns(task_cred_xxx(tsk, user_ns));
++ // ns->user_ns = get_user_ns(task_cred_xxx(tsk, user_ns));
++ ns->user_ns = get_user_ns(user_ns);
+
+ return ns;
+ }
+
+ struct ipc_namespace *copy_ipcs(unsigned long flags,
+- struct task_struct *tsk)
++ struct ipc_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+- struct ipc_namespace *ns = tsk->nsproxy->ipc_ns;
+-
+ if (!(flags & CLONE_NEWIPC))
+- return get_ipc_ns(ns);
+- return create_ipc_ns(tsk, ns);
++ return get_ipc_ns(old_ns);
++ return create_ipc_ns(user_ns);
+ }
+
+ /*
+diff -NurpP --minimal linux-3.7.10/ipc/sem.c linux-3.7.10-vs2.3.5.6/ipc/sem.c
+--- linux-3.7.10/ipc/sem.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/ipc/sem.c 2012-12-18 15:13:16.000000000 +0000
+@@ -86,6 +86,8 @@
+ #include <linux/rwsem.h>
+ #include <linux/nsproxy.h>
+ #include <linux/ipc_namespace.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/uaccess.h>
+ #include "util.h"
+@@ -306,6 +308,7 @@ static int newary(struct ipc_namespace *
+
+ sma->sem_perm.mode = (semflg & S_IRWXUGO);
+ sma->sem_perm.key = key;
++ sma->sem_perm.xid = vx_current_xid();
+
+ sma->sem_perm.security = NULL;
+ retval = security_sem_alloc(sma);
+@@ -321,6 +324,9 @@ static int newary(struct ipc_namespace *
+ return id;
+ }
+ ns->used_sems += nsems;
++ /* FIXME: obsoleted? */
++ vx_semary_inc(sma);
++ vx_nsems_add(sma, nsems);
+
+ sma->sem_base = (struct sem *) &sma[1];
+
+@@ -770,6 +776,9 @@ static void freeary(struct ipc_namespace
+
+ wake_up_sem_queue_do(&tasks);
+ ns->used_sems -= sma->sem_nsems;
++ /* FIXME: obsoleted? */
++ vx_nsems_sub(sma, sma->sem_nsems);
++ vx_semary_dec(sma);
+ security_sem_free(sma);
+ ipc_rcu_putref(sma);
+ }
+diff -NurpP --minimal linux-3.7.10/ipc/shm.c linux-3.7.10-vs2.3.5.6/ipc/shm.c
+--- linux-3.7.10/ipc/shm.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/ipc/shm.c 2012-12-18 15:13:16.000000000 +0000
+@@ -39,6 +39,8 @@
+ #include <linux/nsproxy.h>
+ #include <linux/mount.h>
+ #include <linux/ipc_namespace.h>
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/uaccess.h>
+
+@@ -187,7 +189,12 @@ static void shm_open(struct vm_area_stru
+ */
+ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp)
+ {
+- ns->shm_tot -= (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
++ struct vx_info *vxi = lookup_vx_info(shp->shm_perm.xid);
++ int numpages = (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
++
++ vx_ipcshm_sub(vxi, shp, numpages);
++ ns->shm_tot -= numpages;
++
+ shm_rmid(ns, shp);
+ shm_unlock(shp);
+ if (!is_file_hugepages(shp->shm_file))
+@@ -197,6 +204,7 @@ static void shm_destroy(struct ipc_names
+ shp->mlock_user);
+ fput (shp->shm_file);
+ security_shm_free(shp);
++ put_vx_info(vxi);
+ ipc_rcu_putref(shp);
+ }
+
+@@ -474,11 +482,15 @@ static int newseg(struct ipc_namespace *
+ if (ns->shm_tot + numpages > ns->shm_ctlall)
+ return -ENOSPC;
+
++ if (!vx_ipcshm_avail(current_vx_info(), numpages))
++ return -ENOSPC;
++
+ shp = ipc_rcu_alloc(sizeof(*shp));
+ if (!shp)
+ return -ENOMEM;
+
+ shp->shm_perm.key = key;
++ shp->shm_perm.xid = vx_current_xid();
+ shp->shm_perm.mode = (shmflg & S_IRWXUGO);
+ shp->mlock_user = NULL;
+
+@@ -533,6 +545,7 @@ static int newseg(struct ipc_namespace *
+ ns->shm_tot += numpages;
+ error = shp->shm_perm.id;
+ shm_unlock(shp);
++ vx_ipcshm_add(current_vx_info(), key, numpages);
+ return error;
+
+ no_id:
+diff -NurpP --minimal linux-3.7.10/kernel/Makefile linux-3.7.10-vs2.3.5.6/kernel/Makefile
+--- linux-3.7.10/kernel/Makefile 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/Makefile 2012-12-18 15:13:16.000000000 +0000
+@@ -24,6 +24,7 @@ endif
+
+ obj-y += sched/
+ obj-y += power/
++obj-y += vserver/
+
+ ifeq ($(CONFIG_CHECKPOINT_RESTORE),y)
+ obj-$(CONFIG_X86) += kcmp.o
+diff -NurpP --minimal linux-3.7.10/kernel/auditsc.c linux-3.7.10-vs2.3.5.6/kernel/auditsc.c
+--- linux-3.7.10/kernel/auditsc.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/auditsc.c 2013-02-05 01:14:43.000000000 +0000
+@@ -2372,7 +2372,7 @@ int audit_set_loginuid(kuid_t loginuid)
+ if (uid_valid(task->loginuid))
+ return -EPERM;
+ #else /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */
+- if (!capable(CAP_AUDIT_CONTROL))
++ if (!vx_capable(CAP_AUDIT_CONTROL, VXC_AUDIT_CONTROL))
+ return -EPERM;
+ #endif /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */
+
+diff -NurpP --minimal linux-3.7.10/kernel/capability.c linux-3.7.10-vs2.3.5.6/kernel/capability.c
+--- linux-3.7.10/kernel/capability.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/capability.c 2012-12-18 15:13:16.000000000 +0000
+@@ -15,6 +15,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/pid_namespace.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_context.h>
+ #include <asm/uaccess.h>
+
+ /*
+@@ -116,6 +117,7 @@ static int cap_validate_magic(cap_user_h
+ return 0;
+ }
+
++
+ /*
+ * The only thing that can change the capabilities of the current
+ * process is the current process. As such, we can't be in this code
+@@ -349,6 +351,8 @@ bool has_ns_capability_noaudit(struct ta
+ return (ret == 0);
+ }
+
++#include <linux/vserver/base.h>
++
+ /**
+ * has_capability_noaudit - Does a task have a capability (unaudited) in the
+ * initial user ns
+diff -NurpP --minimal linux-3.7.10/kernel/compat.c linux-3.7.10-vs2.3.5.6/kernel/compat.c
+--- linux-3.7.10/kernel/compat.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/compat.c 2012-12-18 15:13:16.000000000 +0000
+@@ -27,6 +27,7 @@
+ #include <linux/times.h>
+ #include <linux/ptrace.h>
+ #include <linux/gfp.h>
++#include <linux/vs_time.h>
+
+ #include <asm/uaccess.h>
+
+@@ -1054,7 +1055,7 @@ asmlinkage long compat_sys_stime(compat_
+ if (err)
+ return err;
+
+- do_settimeofday(&tv);
++ vx_settimeofday(&tv);
+ return 0;
+ }
+
+diff -NurpP --minimal linux-3.7.10/kernel/cred.c linux-3.7.10-vs2.3.5.6/kernel/cred.c
+--- linux-3.7.10/kernel/cred.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/cred.c 2012-12-18 15:13:16.000000000 +0000
+@@ -70,31 +70,6 @@ struct cred init_cred = {
+ #endif
+ };
+
+-static inline void set_cred_subscribers(struct cred *cred, int n)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- atomic_set(&cred->subscribers, n);
+-#endif
+-}
+-
+-static inline int read_cred_subscribers(const struct cred *cred)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- return atomic_read(&cred->subscribers);
+-#else
+- return 0;
+-#endif
+-}
+-
+-static inline void alter_cred_subscribers(const struct cred *_cred, int n)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- struct cred *cred = (struct cred *) _cred;
+-
+- atomic_add(n, &cred->subscribers);
+-#endif
+-}
+-
+ /*
+ * Dispose of the shared task group credentials
+ */
+@@ -284,21 +259,16 @@ error:
+ *
+ * Call commit_creds() or abort_creds() to clean up.
+ */
+-struct cred *prepare_creds(void)
++struct cred *__prepare_creds(const struct cred *old)
+ {
+- struct task_struct *task = current;
+- const struct cred *old;
+ struct cred *new;
+
+- validate_process_creds();
+-
+ new = kmem_cache_alloc(cred_jar, GFP_KERNEL);
+ if (!new)
+ return NULL;
+
+ kdebug("prepare_creds() alloc %p", new);
+
+- old = task->cred;
+ memcpy(new, old, sizeof(struct cred));
+
+ atomic_set(&new->usage, 1);
+@@ -326,6 +296,13 @@ error:
+ abort_creds(new);
+ return NULL;
+ }
++
++struct cred *prepare_creds(void)
++{
++ validate_process_creds();
++
++ return __prepare_creds(current->cred);
++}
+ EXPORT_SYMBOL(prepare_creds);
+
+ /*
+diff -NurpP --minimal linux-3.7.10/kernel/exit.c linux-3.7.10-vs2.3.5.6/kernel/exit.c
+--- linux-3.7.10/kernel/exit.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/exit.c 2012-12-18 15:13:16.000000000 +0000
+@@ -48,6 +48,10 @@
+ #include <linux/fs_struct.h>
+ #include <linux/init_task.h>
+ #include <linux/perf_event.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_pid.h>
+ #include <trace/events/sched.h>
+ #include <linux/hw_breakpoint.h>
+ #include <linux/oom.h>
+@@ -616,15 +620,25 @@ static struct task_struct *find_new_reap
+ __acquires(&tasklist_lock)
+ {
+ struct pid_namespace *pid_ns = task_active_pid_ns(father);
+- struct task_struct *thread;
++ struct vx_info *vxi = task_get_vx_info(father);
++ struct task_struct *thread = father;
++ struct task_struct *reaper;
+
+- thread = father;
+ while_each_thread(father, thread) {
+ if (thread->flags & PF_EXITING)
+ continue;
+ if (unlikely(pid_ns->child_reaper == father))
+ pid_ns->child_reaper = thread;
+- return thread;
++ reaper = thread;
++ goto out_put;
++ }
++
++ reaper = pid_ns->child_reaper;
++ if (vxi) {
++ BUG_ON(!vxi->vx_reaper);
++ if (vxi->vx_reaper != init_pid_ns.child_reaper &&
++ vxi->vx_reaper != father)
++ reaper = vxi->vx_reaper;
+ }
+
+ if (unlikely(pid_ns->child_reaper == father)) {
+@@ -662,7 +676,9 @@ static struct task_struct *find_new_reap
+ }
+ }
+
+- return pid_ns->child_reaper;
++out_put:
++ put_vx_info(vxi);
++ return reaper;
+ }
+
+ /*
+@@ -713,10 +729,15 @@ static void forget_original_parent(struc
+ list_for_each_entry_safe(p, n, &father->children, sibling) {
+ struct task_struct *t = p;
+ do {
+- t->real_parent = reaper;
++ struct task_struct *new_parent = reaper;
++
++ if (unlikely(p == reaper))
++ new_parent = task_active_pid_ns(p)->child_reaper;
++
++ t->real_parent = new_parent;
+ if (t->parent == father) {
+ BUG_ON(t->ptrace);
+- t->parent = t->real_parent;
++ t->parent = new_parent;
+ }
+ if (t->pdeath_signal)
+ group_send_sig_info(t->pdeath_signal,
+@@ -923,6 +944,9 @@ void do_exit(long code)
+ */
+ ptrace_put_breakpoints(tsk);
+
++ /* needs to stay before exit_notify() */
++ exit_vx_info_early(tsk, code);
++
+ exit_notify(tsk, group_dead);
+ #ifdef CONFIG_NUMA
+ task_lock(tsk);
+@@ -976,10 +1000,15 @@ void do_exit(long code)
+ smp_mb();
+ raw_spin_unlock_wait(&tsk->pi_lock);
+
++ /* needs to stay after exit_notify() */
++ exit_vx_info(tsk, code);
++ exit_nx_info(tsk);
++
+ /* causes final put_task_struct in finish_task_switch(). */
+ tsk->state = TASK_DEAD;
+ tsk->flags |= PF_NOFREEZE; /* tell freezer to ignore us */
+ schedule();
++ printk("bad task: %p [%lx]\n", current, current->state);
+ BUG();
+ /* Avoid "noreturn function does return". */
+ for (;;)
+diff -NurpP --minimal linux-3.7.10/kernel/fork.c linux-3.7.10-vs2.3.5.6/kernel/fork.c
+--- linux-3.7.10/kernel/fork.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/fork.c 2013-01-16 00:19:28.000000000 +0000
+@@ -70,6 +70,9 @@
+ #include <linux/khugepaged.h>
+ #include <linux/signalfd.h>
+ #include <linux/uprobes.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/pgtable.h>
+ #include <asm/pgalloc.h>
+@@ -210,6 +213,8 @@ void free_task(struct task_struct *tsk)
+ arch_release_thread_info(tsk->stack);
+ free_thread_info(tsk->stack);
+ rt_mutex_debug_task_free(tsk);
++ clr_vx_info(&tsk->vx_info);
++ clr_nx_info(&tsk->nx_info);
+ ftrace_graph_exit_task(tsk);
+ put_seccomp_filter(tsk);
+ arch_release_task_struct(tsk);
+@@ -545,6 +550,7 @@ static struct mm_struct *mm_init(struct
+ if (likely(!mm_alloc_pgd(mm))) {
+ mm->def_flags = 0;
+ mmu_notifier_mm_init(mm);
++ set_vx_info(&mm->mm_vx_info, p->vx_info);
+ return mm;
+ }
+
+@@ -597,6 +603,7 @@ void __mmdrop(struct mm_struct *mm)
+ destroy_context(mm);
+ mmu_notifier_mm_destroy(mm);
+ check_mm(mm);
++ clr_vx_info(&mm->mm_vx_info);
+ free_mm(mm);
+ }
+ EXPORT_SYMBOL_GPL(__mmdrop);
+@@ -816,6 +823,7 @@ struct mm_struct *dup_mm(struct task_str
+ goto fail_nomem;
+
+ memcpy(mm, oldmm, sizeof(*mm));
++ mm->mm_vx_info = NULL;
+ mm_init_cpumask(mm);
+
+ #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+@@ -854,6 +862,7 @@ fail_nocontext:
+ * If init_new_context() failed, we cannot use mmput() to free the mm
+ * because it calls destroy_context()
+ */
++ clr_vx_info(&mm->mm_vx_info);
+ mm_free_pgd(mm);
+ free_mm(mm);
+ return NULL;
+@@ -1135,6 +1144,8 @@ static struct task_struct *copy_process(
+ {
+ int retval;
+ struct task_struct *p;
++ struct vx_info *vxi;
++ struct nx_info *nxi;
+
+ if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
+ return ERR_PTR(-EINVAL);
+@@ -1182,7 +1193,12 @@ static struct task_struct *copy_process(
+ DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled);
+ DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
+ #endif
++ init_vx_info(&p->vx_info, current_vx_info());
++ init_nx_info(&p->nx_info, current_nx_info());
++
+ retval = -EAGAIN;
++ if (!vx_nproc_avail(1))
++ goto bad_fork_free;
+ if (atomic_read(&p->real_cred->user->processes) >=
+ task_rlimit(p, RLIMIT_NPROC)) {
+ if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
+@@ -1451,6 +1467,18 @@ static struct task_struct *copy_process(
+
+ total_forks++;
+ spin_unlock(&current->sighand->siglock);
++
++ /* p is copy of current */
++ vxi = p->vx_info;
++ if (vxi) {
++ claim_vx_info(vxi, p);
++ atomic_inc(&vxi->cvirt.nr_threads);
++ atomic_inc(&vxi->cvirt.total_forks);
++ vx_nproc_inc(p);
++ }
++ nxi = p->nx_info;
++ if (nxi)
++ claim_nx_info(nxi, p);
+ write_unlock_irq(&tasklist_lock);
+ proc_fork_connector(p);
+ cgroup_post_fork(p);
+diff -NurpP --minimal linux-3.7.10/kernel/kthread.c linux-3.7.10-vs2.3.5.6/kernel/kthread.c
+--- linux-3.7.10/kernel/kthread.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/kthread.c 2012-12-18 15:13:16.000000000 +0000
+@@ -17,6 +17,7 @@
+ #include <linux/slab.h>
+ #include <linux/freezer.h>
+ #include <linux/ptrace.h>
++#include <linux/vs_pid.h>
+ #include <trace/events/sched.h>
+
+ static DEFINE_SPINLOCK(kthread_create_lock);
+diff -NurpP --minimal linux-3.7.10/kernel/nsproxy.c linux-3.7.10-vs2.3.5.6/kernel/nsproxy.c
+--- linux-3.7.10/kernel/nsproxy.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/nsproxy.c 2012-12-18 15:13:16.000000000 +0000
+@@ -20,11 +20,14 @@
+ #include <linux/mnt_namespace.h>
+ #include <linux/utsname.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vserver/global.h>
++#include <linux/vserver/debug.h>
+ #include <net/net_namespace.h>
+ #include <linux/ipc_namespace.h>
+ #include <linux/proc_fs.h>
+ #include <linux/file.h>
+ #include <linux/syscalls.h>
++#include "../fs/mount.h"
+
+ static struct kmem_cache *nsproxy_cachep;
+
+@@ -46,8 +49,11 @@ static inline struct nsproxy *create_nsp
+ struct nsproxy *nsproxy;
+
+ nsproxy = kmem_cache_alloc(nsproxy_cachep, GFP_KERNEL);
+- if (nsproxy)
++ if (nsproxy) {
+ atomic_set(&nsproxy->count, 1);
++ atomic_inc(&vs_global_nsproxy);
++ }
++ vxdprintk(VXD_CBIT(space, 2), "create_nsproxy = %p[1]", nsproxy);
+ return nsproxy;
+ }
+
+@@ -56,8 +62,11 @@ static inline struct nsproxy *create_nsp
+ * Return the newly created nsproxy. Do not attach this to the task,
+ * leave it to the caller to do proper locking and attach it to task.
+ */
+-static struct nsproxy *create_new_namespaces(unsigned long flags,
+- struct task_struct *tsk, struct fs_struct *new_fs)
++static struct nsproxy *unshare_namespaces(unsigned long flags,
++ struct nsproxy *orig,
++ struct fs_struct *new_fs,
++ struct user_namespace *new_user,
++ struct pid_namespace *new_pid)
+ {
+ struct nsproxy *new_nsp;
+ int err;
+@@ -66,31 +75,31 @@ static struct nsproxy *create_new_namesp
+ if (!new_nsp)
+ return ERR_PTR(-ENOMEM);
+
+- new_nsp->mnt_ns = copy_mnt_ns(flags, tsk->nsproxy->mnt_ns, new_fs);
++ new_nsp->mnt_ns = copy_mnt_ns(flags, orig->mnt_ns, new_fs);
+ if (IS_ERR(new_nsp->mnt_ns)) {
+ err = PTR_ERR(new_nsp->mnt_ns);
+ goto out_ns;
+ }
+
+- new_nsp->uts_ns = copy_utsname(flags, tsk);
++ new_nsp->uts_ns = copy_utsname(flags, orig->uts_ns, new_user);
+ if (IS_ERR(new_nsp->uts_ns)) {
+ err = PTR_ERR(new_nsp->uts_ns);
+ goto out_uts;
+ }
+
+- new_nsp->ipc_ns = copy_ipcs(flags, tsk);
++ new_nsp->ipc_ns = copy_ipcs(flags, orig->ipc_ns, new_user);
+ if (IS_ERR(new_nsp->ipc_ns)) {
+ err = PTR_ERR(new_nsp->ipc_ns);
+ goto out_ipc;
+ }
+
+- new_nsp->pid_ns = copy_pid_ns(flags, task_active_pid_ns(tsk));
++ new_nsp->pid_ns = copy_pid_ns(flags, new_pid);
+ if (IS_ERR(new_nsp->pid_ns)) {
+ err = PTR_ERR(new_nsp->pid_ns);
+ goto out_pid;
+ }
+
+- new_nsp->net_ns = copy_net_ns(flags, tsk->nsproxy->net_ns);
++ new_nsp->net_ns = copy_net_ns(flags, orig->net_ns);
+ if (IS_ERR(new_nsp->net_ns)) {
+ err = PTR_ERR(new_nsp->net_ns);
+ goto out_net;
+@@ -115,6 +124,40 @@ out_ns:
+ return ERR_PTR(err);
+ }
+
++static struct nsproxy *create_new_namespaces(unsigned long flags,
++ struct task_struct *tsk, struct fs_struct *new_fs)
++{
++ return unshare_namespaces(flags, tsk->nsproxy,
++ new_fs, task_cred_xxx(tsk, user_ns),
++ task_active_pid_ns(tsk));
++}
++
++/*
++ * copies the nsproxy, setting refcount to 1, and grabbing a
++ * reference to all contained namespaces.
++ */
++struct nsproxy *copy_nsproxy(struct nsproxy *orig)
++{
++ struct nsproxy *ns = create_nsproxy();
++
++ if (ns) {
++ memcpy(ns, orig, sizeof(struct nsproxy));
++ atomic_set(&ns->count, 1);
++
++ if (ns->mnt_ns)
++ get_mnt_ns(ns->mnt_ns);
++ if (ns->uts_ns)
++ get_uts_ns(ns->uts_ns);
++ if (ns->ipc_ns)
++ get_ipc_ns(ns->ipc_ns);
++ if (ns->pid_ns)
++ get_pid_ns(ns->pid_ns);
++ if (ns->net_ns)
++ get_net(ns->net_ns);
++ }
++ return ns;
++}
++
+ /*
+ * called from clone. This now handles copy for nsproxy and all
+ * namespaces therein.
+@@ -122,9 +165,12 @@ out_ns:
+ int copy_namespaces(unsigned long flags, struct task_struct *tsk)
+ {
+ struct nsproxy *old_ns = tsk->nsproxy;
+- struct nsproxy *new_ns;
++ struct nsproxy *new_ns = NULL;
+ int err = 0;
+
++ vxdprintk(VXD_CBIT(space, 7), "copy_namespaces(0x%08lx,%p[%p])",
++ flags, tsk, old_ns);
++
+ if (!old_ns)
+ return 0;
+
+@@ -134,7 +180,7 @@ int copy_namespaces(unsigned long flags,
+ CLONE_NEWPID | CLONE_NEWNET)))
+ return 0;
+
+- if (!capable(CAP_SYS_ADMIN)) {
++ if (!vx_can_unshare(CAP_SYS_ADMIN, flags)) {
+ err = -EPERM;
+ goto out;
+ }
+@@ -161,6 +207,9 @@ int copy_namespaces(unsigned long flags,
+
+ out:
+ put_nsproxy(old_ns);
++ vxdprintk(VXD_CBIT(space, 3),
++ "copy_namespaces(0x%08lx,%p[%p]) = %d [%p]",
++ flags, tsk, old_ns, err, new_ns);
+ return err;
+ }
+
+@@ -174,7 +223,9 @@ void free_nsproxy(struct nsproxy *ns)
+ put_ipc_ns(ns->ipc_ns);
+ if (ns->pid_ns)
+ put_pid_ns(ns->pid_ns);
+- put_net(ns->net_ns);
++ if (ns->net_ns)
++ put_net(ns->net_ns);
++ atomic_dec(&vs_global_nsproxy);
+ kmem_cache_free(nsproxy_cachep, ns);
+ }
+
+@@ -187,11 +238,15 @@ int unshare_nsproxy_namespaces(unsigned
+ {
+ int err = 0;
+
++ vxdprintk(VXD_CBIT(space, 4),
++ "unshare_nsproxy_namespaces(0x%08lx,[%p])",
++ unshare_flags, current->nsproxy);
++
+ if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
+ CLONE_NEWNET)))
+ return 0;
+
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_can_unshare(CAP_SYS_ADMIN, unshare_flags))
+ return -EPERM;
+
+ *new_nsp = create_new_namespaces(unshare_flags, current,
+diff -NurpP --minimal linux-3.7.10/kernel/pid.c linux-3.7.10-vs2.3.5.6/kernel/pid.c
+--- linux-3.7.10/kernel/pid.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/pid.c 2012-12-18 15:13:16.000000000 +0000
+@@ -36,6 +36,7 @@
+ #include <linux/pid_namespace.h>
+ #include <linux/init_task.h>
+ #include <linux/syscalls.h>
++#include <linux/vs_pid.h>
+
+ #define pid_hashfn(nr, ns) \
+ hash_long((unsigned long)nr + (unsigned long)ns, pidhash_shift)
+@@ -344,7 +345,7 @@ EXPORT_SYMBOL_GPL(find_pid_ns);
+
+ struct pid *find_vpid(int nr)
+ {
+- return find_pid_ns(nr, current->nsproxy->pid_ns);
++ return find_pid_ns(vx_rmap_pid(nr), current->nsproxy->pid_ns);
+ }
+ EXPORT_SYMBOL_GPL(find_vpid);
+
+@@ -404,6 +405,9 @@ void transfer_pid(struct task_struct *ol
+ struct task_struct *pid_task(struct pid *pid, enum pid_type type)
+ {
+ struct task_struct *result = NULL;
++
++ if (type == PIDTYPE_REALPID)
++ type = PIDTYPE_PID;
+ if (pid) {
+ struct hlist_node *first;
+ first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]),
+@@ -423,7 +427,7 @@ struct task_struct *find_task_by_pid_ns(
+ rcu_lockdep_assert(rcu_read_lock_held(),
+ "find_task_by_pid_ns() needs rcu_read_lock()"
+ " protection");
+- return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
++ return pid_task(find_pid_ns(vx_rmap_pid(nr), ns), PIDTYPE_PID);
+ }
+
+ struct task_struct *find_task_by_vpid(pid_t vnr)
+@@ -467,7 +471,7 @@ struct pid *find_get_pid(pid_t nr)
+ }
+ EXPORT_SYMBOL_GPL(find_get_pid);
+
+-pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns)
++pid_t pid_unmapped_nr_ns(struct pid *pid, struct pid_namespace *ns)
+ {
+ struct upid *upid;
+ pid_t nr = 0;
+@@ -481,6 +485,11 @@ pid_t pid_nr_ns(struct pid *pid, struct
+ }
+ EXPORT_SYMBOL_GPL(pid_nr_ns);
+
++pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns)
++{
++ return vx_map_pid(pid_unmapped_nr_ns(pid, ns));
++}
++
+ pid_t pid_vnr(struct pid *pid)
+ {
+ return pid_nr_ns(pid, current->nsproxy->pid_ns);
+diff -NurpP --minimal linux-3.7.10/kernel/pid_namespace.c linux-3.7.10-vs2.3.5.6/kernel/pid_namespace.c
+--- linux-3.7.10/kernel/pid_namespace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/pid_namespace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -17,6 +17,7 @@
+ #include <linux/proc_fs.h>
+ #include <linux/reboot.h>
+ #include <linux/export.h>
++#include <linux/vserver/global.h>
+
+ #define BITS_PER_PAGE (PAGE_SIZE*8)
+
+@@ -100,6 +101,7 @@ static struct pid_namespace *create_pid_
+ goto out_free_map;
+
+ kref_init(&ns->kref);
++ atomic_inc(&vs_global_pid_ns);
+ ns->level = level;
+ ns->parent = get_pid_ns(parent_pid_ns);
+
+@@ -131,6 +133,7 @@ static void destroy_pid_namespace(struct
+
+ for (i = 0; i < PIDMAP_ENTRIES; i++)
+ kfree(ns->pidmap[i].page);
++ atomic_dec(&vs_global_pid_ns);
+ kmem_cache_free(pid_ns_cachep, ns);
+ }
+
+diff -NurpP --minimal linux-3.7.10/kernel/posix-timers.c linux-3.7.10-vs2.3.5.6/kernel/posix-timers.c
+--- linux-3.7.10/kernel/posix-timers.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/posix-timers.c 2012-12-18 15:13:16.000000000 +0000
+@@ -47,6 +47,7 @@
+ #include <linux/wait.h>
+ #include <linux/workqueue.h>
+ #include <linux/export.h>
++#include <linux/vs_context.h>
+
+ /*
+ * Management arrays for POSIX timers. Timers are kept in slab memory
+@@ -340,6 +341,7 @@ int posix_timer_event(struct k_itimer *t
+ {
+ struct task_struct *task;
+ int shared, ret = -1;
++
+ /*
+ * FIXME: if ->sigq is queued we can race with
+ * dequeue_signal()->do_schedule_next_timer().
+@@ -356,10 +358,18 @@ int posix_timer_event(struct k_itimer *t
+ rcu_read_lock();
+ task = pid_task(timr->it_pid, PIDTYPE_PID);
+ if (task) {
++ struct vx_info_save vxis;
++ struct vx_info *vxi;
++
++ vxi = get_vx_info(task->vx_info);
++ enter_vx_info(vxi, &vxis);
+ shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);
+ ret = send_sigqueue(timr->sigq, task, shared);
++ leave_vx_info(&vxis);
++ put_vx_info(vxi);
+ }
+ rcu_read_unlock();
++
+ /* If we failed to send the signal the timer stops. */
+ return ret > 0;
+ }
+diff -NurpP --minimal linux-3.7.10/kernel/printk.c linux-3.7.10-vs2.3.5.6/kernel/printk.c
+--- linux-3.7.10/kernel/printk.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/printk.c 2013-01-16 00:19:03.000000000 +0000
+@@ -42,6 +42,7 @@
+ #include <linux/notifier.h>
+ #include <linux/rculist.h>
+ #include <linux/poll.h>
++#include <linux/vs_cvirt.h>
+
+ #include <asm/uaccess.h>
+
+@@ -818,7 +819,7 @@ static int check_syslog_permissions(int
+ return 0;
+
+ if (syslog_action_restricted(type)) {
+- if (capable(CAP_SYSLOG))
++ if (vx_capable(CAP_SYSLOG, VXC_SYSLOG))
+ return 0;
+ /* For historical reasons, accept CAP_SYS_ADMIN too, with a warning */
+ if (capable(CAP_SYS_ADMIN)) {
+@@ -1112,12 +1113,9 @@ int do_syslog(int type, char __user *buf
+ if (error)
+ return error;
+
+- switch (type) {
+- case SYSLOG_ACTION_CLOSE: /* Close log */
+- break;
+- case SYSLOG_ACTION_OPEN: /* Open log */
+- break;
+- case SYSLOG_ACTION_READ: /* Read from log */
++ if ((type == SYSLOG_ACTION_READ) ||
++ (type == SYSLOG_ACTION_READ_ALL) ||
++ (type == SYSLOG_ACTION_READ_CLEAR)) {
+ error = -EINVAL;
+ if (!buf || len < 0)
+ goto out;
+@@ -1128,6 +1126,16 @@ int do_syslog(int type, char __user *buf
+ error = -EFAULT;
+ goto out;
+ }
++ }
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ return vx_do_syslog(type, buf, len);
++
++ switch (type) {
++ case SYSLOG_ACTION_CLOSE: /* Close log */
++ break;
++ case SYSLOG_ACTION_OPEN: /* Open log */
++ break;
++ case SYSLOG_ACTION_READ: /* Read from log */
+ error = wait_event_interruptible(log_wait,
+ syslog_seq != log_next_seq);
+ if (error)
+@@ -1140,16 +1148,6 @@ int do_syslog(int type, char __user *buf
+ /* FALL THRU */
+ /* Read last kernel messages */
+ case SYSLOG_ACTION_READ_ALL:
+- error = -EINVAL;
+- if (!buf || len < 0)
+- goto out;
+- error = 0;
+- if (!len)
+- goto out;
+- if (!access_ok(VERIFY_WRITE, buf, len)) {
+- error = -EFAULT;
+- goto out;
+- }
+ error = syslog_print_all(buf, len, clear);
+ break;
+ /* Clear ring buffer */
+diff -NurpP --minimal linux-3.7.10/kernel/ptrace.c linux-3.7.10-vs2.3.5.6/kernel/ptrace.c
+--- linux-3.7.10/kernel/ptrace.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/ptrace.c 2013-02-05 01:14:43.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/uaccess.h>
+ #include <linux/regset.h>
++#include <linux/vs_context.h>
+ #include <linux/hw_breakpoint.h>
+ #include <linux/cn_proc.h>
+
+@@ -256,6 +257,11 @@ ok:
+ dumpable = get_dumpable(task->mm);
+ if (!dumpable && !ptrace_has_cap(task_user_ns(task), mode))
+ return -EPERM;
++ if (!vx_check(task->xid, VS_ADMIN_P|VS_WATCH_P|VS_IDENT))
++ return -EPERM;
++ if (!vx_check(task->xid, VS_IDENT) &&
++ !task_vx_flags(task, VXF_STATE_ADMIN, 0))
++ return -EACCES;
+
+ return security_ptrace_access_check(task, mode);
+ }
+diff -NurpP --minimal linux-3.7.10/kernel/sched/core.c linux-3.7.10-vs2.3.5.6/kernel/sched/core.c
+--- linux-3.7.10/kernel/sched/core.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sched/core.c 2013-02-05 01:14:43.000000000 +0000
+@@ -72,6 +72,8 @@
+ #include <linux/slab.h>
+ #include <linux/init_task.h>
+ #include <linux/binfmts.h>
++#include <linux/vs_sched.h>
++#include <linux/vs_cvirt.h>
+
+ #include <asm/switch_to.h>
+ #include <asm/tlb.h>
+@@ -2031,9 +2033,17 @@ EXPORT_SYMBOL(avenrun); /* should be rem
+ */
+ void get_avenrun(unsigned long *loads, unsigned long offset, int shift)
+ {
+- loads[0] = (avenrun[0] + offset) << shift;
+- loads[1] = (avenrun[1] + offset) << shift;
+- loads[2] = (avenrun[2] + offset) << shift;
++ if (vx_flags(VXF_VIRT_LOAD, 0)) {
++ struct vx_info *vxi = current_vx_info();
++
++ loads[0] = (vxi->cvirt.load[0] + offset) << shift;
++ loads[1] = (vxi->cvirt.load[1] + offset) << shift;
++ loads[2] = (vxi->cvirt.load[2] + offset) << shift;
++ } else {
++ loads[0] = (avenrun[0] + offset) << shift;
++ loads[1] = (avenrun[1] + offset) << shift;
++ loads[2] = (avenrun[2] + offset) << shift;
++ }
+ }
+
+ static long calc_load_fold_active(struct rq *this_rq)
+@@ -3597,7 +3607,7 @@ SYSCALL_DEFINE1(nice, int, increment)
+ nice = 19;
+
+ if (increment < 0 && !can_nice(current, nice))
+- return -EPERM;
++ return vx_flags(VXF_IGNEG_NICE, 0) ? 0 : -EPERM;
+
+ retval = security_task_setnice(current, nice);
+ if (retval)
+diff -NurpP --minimal linux-3.7.10/kernel/sched/cputime.c linux-3.7.10-vs2.3.5.6/kernel/sched/cputime.c
+--- linux-3.7.10/kernel/sched/cputime.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sched/cputime.c 2012-12-18 15:13:16.000000000 +0000
+@@ -3,6 +3,7 @@
+ #include <linux/tsacct_kern.h>
+ #include <linux/kernel_stat.h>
+ #include <linux/static_key.h>
++#include <linux/vs_sched.h>
+ #include "sched.h"
+
+
+@@ -150,14 +151,17 @@ static inline void task_group_account_fi
+ void account_user_time(struct task_struct *p, cputime_t cputime,
+ cputime_t cputime_scaled)
+ {
++ struct vx_info *vxi = p->vx_info; /* p is _always_ current */
++ int nice = (TASK_NICE(p) > 0);
+ int index;
+
+ /* Add user time to process. */
+ p->utime += cputime;
+ p->utimescaled += cputime_scaled;
++ vx_account_user(vxi, cputime, nice);
+ account_group_user_time(p, cputime);
+
+- index = (TASK_NICE(p) > 0) ? CPUTIME_NICE : CPUTIME_USER;
++ index = (nice) ? CPUTIME_NICE : CPUTIME_USER;
+
+ /* Add user time to cpustat. */
+ task_group_account_field(p, index, (__force u64) cputime);
+@@ -204,9 +208,12 @@ static inline
+ void __account_system_time(struct task_struct *p, cputime_t cputime,
+ cputime_t cputime_scaled, int index)
+ {
++ struct vx_info *vxi = p->vx_info; /* p is _always_ current */
++
+ /* Add system time to process. */
+ p->stime += cputime;
+ p->stimescaled += cputime_scaled;
++ vx_account_system(vxi, cputime, 0 /* do we have idle time? */);
+ account_group_system_time(p, cputime);
+
+ /* Add system time to cpustat. */
+diff -NurpP --minimal linux-3.7.10/kernel/sched/fair.c linux-3.7.10-vs2.3.5.6/kernel/sched/fair.c
+--- linux-3.7.10/kernel/sched/fair.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sched/fair.c 2012-12-18 15:13:16.000000000 +0000
+@@ -26,6 +26,7 @@
+ #include <linux/slab.h>
+ #include <linux/profile.h>
+ #include <linux/interrupt.h>
++#include <linux/vs_cvirt.h>
+
+ #include <trace/events/sched.h>
+
+@@ -1111,6 +1112,8 @@ enqueue_entity(struct cfs_rq *cfs_rq, st
+ __enqueue_entity(cfs_rq, se);
+ se->on_rq = 1;
+
++ if (entity_is_task(se))
++ vx_activate_task(task_of(se));
+ if (cfs_rq->nr_running == 1) {
+ list_add_leaf_cfs_rq(cfs_rq);
+ check_enqueue_throttle(cfs_rq);
+@@ -1191,6 +1194,8 @@ dequeue_entity(struct cfs_rq *cfs_rq, st
+ if (se != cfs_rq->curr)
+ __dequeue_entity(cfs_rq, se);
+ se->on_rq = 0;
++ if (entity_is_task(se))
++ vx_deactivate_task(task_of(se));
+ update_cfs_load(cfs_rq, 0);
+ account_entity_dequeue(cfs_rq, se);
+
+diff -NurpP --minimal linux-3.7.10/kernel/signal.c linux-3.7.10-vs2.3.5.6/kernel/signal.c
+--- linux-3.7.10/kernel/signal.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/signal.c 2013-02-05 01:14:43.000000000 +0000
+@@ -31,6 +31,8 @@
+ #include <linux/nsproxy.h>
+ #include <linux/user_namespace.h>
+ #include <linux/uprobes.h>
++#include <linux/vs_context.h>
++#include <linux/vs_pid.h>
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/signal.h>
+
+@@ -785,9 +787,18 @@ static int check_kill_permission(int sig
+ struct pid *sid;
+ int error;
+
++ vxdprintk(VXD_CBIT(misc, 7),
++ "check_kill_permission(%d,%p,%p[#%u,%u])",
++ sig, info, t, vx_task_xid(t), t->pid);
++
+ if (!valid_signal(sig))
+ return -EINVAL;
+
++/* FIXME: needed? if so, why?
++ if ((info != SEND_SIG_NOINFO) &&
++ (is_si_special(info) || !si_fromuser(info)))
++ goto skip; */
++
+ if (!si_fromuser(info))
+ return 0;
+
+@@ -811,6 +822,20 @@ static int check_kill_permission(int sig
+ }
+ }
+
++ error = -EPERM;
++ if (t->pid == 1 && current->xid)
++ return error;
++
++ error = -ESRCH;
++ /* FIXME: we shouldn't return ESRCH ever, to avoid
++ loops, maybe ENOENT or EACCES? */
++ if (!vx_check(vx_task_xid(t), VS_WATCH_P | VS_IDENT)) {
++ vxdprintk(current->xid || VXD_CBIT(misc, 7),
++ "signal %d[%p] xid mismatch %p[#%u,%u] xid=#%u",
++ sig, info, t, vx_task_xid(t), t->pid, current->xid);
++ return error;
++ }
++/* skip: */
+ return security_task_kill(t, info, sig, 0);
+ }
+
+@@ -1346,7 +1371,7 @@ int kill_pid_info(int sig, struct siginf
+ rcu_read_lock();
+ retry:
+ p = pid_task(pid, PIDTYPE_PID);
+- if (p) {
++ if (p && vx_check(vx_task_xid(p), VS_IDENT)) {
+ error = group_send_sig_info(sig, info, p);
+ if (unlikely(error == -ESRCH))
+ /*
+@@ -1394,7 +1419,7 @@ int kill_pid_info_as_cred(int sig, struc
+
+ rcu_read_lock();
+ p = pid_task(pid, PIDTYPE_PID);
+- if (!p) {
++ if (!p || !vx_check(vx_task_xid(p), VS_IDENT)) {
+ ret = -ESRCH;
+ goto out_unlock;
+ }
+@@ -1446,8 +1471,10 @@ static int kill_something_info(int sig,
+ struct task_struct * p;
+
+ for_each_process(p) {
+- if (task_pid_vnr(p) > 1 &&
+- !same_thread_group(p, current)) {
++ if (vx_check(vx_task_xid(p), VS_ADMIN|VS_IDENT) &&
++ task_pid_vnr(p) > 1 &&
++ !same_thread_group(p, current) &&
++ !vx_current_initpid(p->pid)) {
+ int err = group_send_sig_info(sig, info, p);
+ ++count;
+ if (err != -EPERM)
+@@ -2307,6 +2334,11 @@ relock:
+ !sig_kernel_only(signr))
+ continue;
+
++ /* virtual init is protected against user signals */
++ if ((info->si_code == SI_USER) &&
++ vx_current_initpid(current->pid))
++ continue;
++
+ if (sig_kernel_stop(signr)) {
+ /*
+ * The default action is to stop all threads in
+diff -NurpP --minimal linux-3.7.10/kernel/softirq.c linux-3.7.10-vs2.3.5.6/kernel/softirq.c
+--- linux-3.7.10/kernel/softirq.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/softirq.c 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,7 @@
+ #include <linux/smp.h>
+ #include <linux/smpboot.h>
+ #include <linux/tick.h>
++#include <linux/vs_context.h>
+
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/irq.h>
+diff -NurpP --minimal linux-3.7.10/kernel/sys.c linux-3.7.10-vs2.3.5.6/kernel/sys.c
+--- linux-3.7.10/kernel/sys.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sys.c 2012-12-18 15:13:16.000000000 +0000
+@@ -47,6 +47,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/kprobes.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_pid.h>
+
+ #include <linux/kmsg_dump.h>
+ /* Move somewhere else to avoid recompiling? */
+@@ -154,7 +155,10 @@ static int set_one_prio(struct task_stru
+ goto out;
+ }
+ if (niceval < task_nice(p) && !can_nice(p, niceval)) {
+- error = -EACCES;
++ if (vx_flags(VXF_IGNEG_NICE, 0))
++ error = 0;
++ else
++ error = -EACCES;
+ goto out;
+ }
+ no_nice = security_task_setnice(p, niceval);
+@@ -205,6 +209,8 @@ SYSCALL_DEFINE3(setpriority, int, which,
+ else
+ pgrp = task_pgrp(current);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ error = set_one_prio(p, niceval, error);
+ } while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
+ break;
+@@ -270,6 +276,8 @@ SYSCALL_DEFINE2(getpriority, int, which,
+ else
+ pgrp = task_pgrp(current);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ niceval = 20 - task_nice(p);
+ if (niceval > retval)
+ retval = niceval;
+@@ -422,6 +430,8 @@ EXPORT_SYMBOL_GPL(kernel_power_off);
+
+ static DEFINE_MUTEX(reboot_mutex);
+
++long vs_reboot(unsigned int, void __user *);
++
+ /*
+ * Reboot system call: for obvious reasons only root may call it,
+ * and even root needs to set up some magic numbers in the registers
+@@ -463,6 +473,9 @@ SYSCALL_DEFINE4(reboot, int, magic1, int
+ if ((cmd == LINUX_REBOOT_CMD_POWER_OFF) && !pm_power_off)
+ cmd = LINUX_REBOOT_CMD_HALT;
+
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ return vs_reboot(cmd, arg);
++
+ mutex_lock(&reboot_mutex);
+ switch (cmd) {
+ case LINUX_REBOOT_CMD_RESTART:
+@@ -1370,7 +1383,8 @@ SYSCALL_DEFINE2(sethostname, char __user
+ int errno;
+ char tmp[__NEW_UTS_LEN];
+
+- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
+ return -EPERM;
+
+ if (len < 0 || len > __NEW_UTS_LEN)
+@@ -1421,7 +1435,8 @@ SYSCALL_DEFINE2(setdomainname, char __us
+ int errno;
+ char tmp[__NEW_UTS_LEN];
+
+- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
+ return -EPERM;
+ if (len < 0 || len > __NEW_UTS_LEN)
+ return -EINVAL;
+@@ -1540,7 +1555,7 @@ int do_prlimit(struct task_struct *tsk,
+ /* Keep the capable check against init_user_ns until
+ cgroups can contain all limits */
+ if (new_rlim->rlim_max > rlim->rlim_max &&
+- !capable(CAP_SYS_RESOURCE))
++ !vx_capable(CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
+ retval = -EPERM;
+ if (!retval)
+ retval = security_task_setrlimit(tsk->group_leader,
+@@ -1593,7 +1608,8 @@ static int check_prlimit_permission(stru
+ gid_eq(cred->gid, tcred->sgid) &&
+ gid_eq(cred->gid, tcred->gid))
+ return 0;
+- if (ns_capable(tcred->user_ns, CAP_SYS_RESOURCE))
++ if (vx_ns_capable(tcred->user_ns,
++ CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
+ return 0;
+
+ return -EPERM;
+diff -NurpP --minimal linux-3.7.10/kernel/sysctl.c linux-3.7.10-vs2.3.5.6/kernel/sysctl.c
+--- linux-3.7.10/kernel/sysctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sysctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -82,6 +82,7 @@
+ #if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT)
+ #include <linux/lockdep.h>
+ #endif
++extern char vshelper_path[];
+ #ifdef CONFIG_CHR_DEV_SG
+ #include <scsi/sg.h>
+ #endif
+@@ -574,6 +575,13 @@ static struct ctl_table kern_table[] = {
+ .proc_handler = proc_dostring,
+ },
+ #endif
++ {
++ .procname = "vshelper",
++ .data = &vshelper_path,
++ .maxlen = 256,
++ .mode = 0644,
++ .proc_handler = &proc_dostring,
++ },
+ #ifdef CONFIG_CHR_DEV_SG
+ {
+ .procname = "sg-big-buff",
+diff -NurpP --minimal linux-3.7.10/kernel/sysctl_binary.c linux-3.7.10-vs2.3.5.6/kernel/sysctl_binary.c
+--- linux-3.7.10/kernel/sysctl_binary.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sysctl_binary.c 2012-12-18 15:13:16.000000000 +0000
+@@ -73,6 +73,7 @@ static const struct bin_table bin_kern_t
+
+ { CTL_INT, KERN_PANIC, "panic" },
+ { CTL_INT, KERN_REALROOTDEV, "real-root-dev" },
++ { CTL_STR, KERN_VSHELPER, "vshelper" },
+
+ { CTL_STR, KERN_SPARC_REBOOT, "reboot-cmd" },
+ { CTL_INT, KERN_CTLALTDEL, "ctrl-alt-del" },
+diff -NurpP --minimal linux-3.7.10/kernel/time/timekeeping.c linux-3.7.10-vs2.3.5.6/kernel/time/timekeeping.c
+--- linux-3.7.10/kernel/time/timekeeping.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/time/timekeeping.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/time.h>
+ #include <linux/tick.h>
+ #include <linux/stop_machine.h>
++#include <linux/vs_time.h>
+
+
+ static struct timekeeper timekeeper;
+@@ -243,6 +244,7 @@ void getnstimeofday(struct timespec *ts)
+
+ ts->tv_nsec = 0;
+ timespec_add_ns(ts, nsecs);
++ vx_adjust_timespec(ts);
+ }
+ EXPORT_SYMBOL(getnstimeofday);
+
+diff -NurpP --minimal linux-3.7.10/kernel/time.c linux-3.7.10-vs2.3.5.6/kernel/time.c
+--- linux-3.7.10/kernel/time.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/time.c 2012-12-18 15:13:16.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/fs.h>
+ #include <linux/math64.h>
+ #include <linux/ptrace.h>
++#include <linux/vs_time.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+@@ -92,7 +93,7 @@ SYSCALL_DEFINE1(stime, time_t __user *,
+ if (err)
+ return err;
+
+- do_settimeofday(&tv);
++ vx_settimeofday(&tv);
+ return 0;
+ }
+
+@@ -172,7 +173,7 @@ int do_sys_settimeofday(const struct tim
+ }
+ }
+ if (tv)
+- return do_settimeofday(tv);
++ return vx_settimeofday(tv);
+ return 0;
+ }
+
+diff -NurpP --minimal linux-3.7.10/kernel/timer.c linux-3.7.10-vs2.3.5.6/kernel/timer.c
+--- linux-3.7.10/kernel/timer.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/timer.c 2012-12-18 15:13:16.000000000 +0000
+@@ -40,6 +40,10 @@
+ #include <linux/irq_work.h>
+ #include <linux/sched.h>
+ #include <linux/slab.h>
++#include <linux/vs_base.h>
++#include <linux/vs_cvirt.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/sched.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+diff -NurpP --minimal linux-3.7.10/kernel/user_namespace.c linux-3.7.10-vs2.3.5.6/kernel/user_namespace.c
+--- linux-3.7.10/kernel/user_namespace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/user_namespace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -20,6 +20,7 @@
+ #include <linux/uaccess.h>
+ #include <linux/ctype.h>
+ #include <linux/projid.h>
++#include <linux/vserver/global.h>
+
+ static struct kmem_cache *user_ns_cachep __read_mostly;
+
+@@ -53,6 +54,7 @@ int create_user_ns(struct cred *new)
+ return -ENOMEM;
+
+ kref_init(&ns->kref);
++ atomic_inc(&vs_global_user_ns);
+ ns->parent = parent_ns;
+ ns->owner = owner;
+ ns->group = group;
+@@ -85,6 +87,9 @@ void free_user_ns(struct kref *kref)
+
+ parent = ns->parent;
+ kmem_cache_free(user_ns_cachep, ns);
++
++ /* FIXME: maybe move into destroyer? */
++ atomic_dec(&vs_global_user_ns);
+ put_user_ns(parent);
+ }
+ EXPORT_SYMBOL(free_user_ns);
+diff -NurpP --minimal linux-3.7.10/kernel/utsname.c linux-3.7.10-vs2.3.5.6/kernel/utsname.c
+--- linux-3.7.10/kernel/utsname.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/utsname.c 2012-12-18 15:13:16.000000000 +0000
+@@ -16,14 +16,17 @@
+ #include <linux/slab.h>
+ #include <linux/user_namespace.h>
+ #include <linux/proc_fs.h>
++#include <linux/vserver/global.h>
+
+ static struct uts_namespace *create_uts_ns(void)
+ {
+ struct uts_namespace *uts_ns;
+
+ uts_ns = kmalloc(sizeof(struct uts_namespace), GFP_KERNEL);
+- if (uts_ns)
++ if (uts_ns) {
+ kref_init(&uts_ns->kref);
++ atomic_inc(&vs_global_uts_ns);
++ }
+ return uts_ns;
+ }
+
+@@ -32,8 +35,8 @@ static struct uts_namespace *create_uts_
+ * @old_ns: namespace to clone
+ * Return NULL on error (failure to kmalloc), new ns otherwise
+ */
+-static struct uts_namespace *clone_uts_ns(struct task_struct *tsk,
+- struct uts_namespace *old_ns)
++static struct uts_namespace *clone_uts_ns(struct uts_namespace *old_ns,
++ struct user_namespace *old_user)
+ {
+ struct uts_namespace *ns;
+
+@@ -43,7 +46,7 @@ static struct uts_namespace *clone_uts_n
+
+ down_read(&uts_sem);
+ memcpy(&ns->name, &old_ns->name, sizeof(ns->name));
+- ns->user_ns = get_user_ns(task_cred_xxx(tsk, user_ns));
++ ns->user_ns = get_user_ns(old_user);
+ up_read(&uts_sem);
+ return ns;
+ }
+@@ -55,9 +58,9 @@ static struct uts_namespace *clone_uts_n
+ * versa.
+ */
+ struct uts_namespace *copy_utsname(unsigned long flags,
+- struct task_struct *tsk)
++ struct uts_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+- struct uts_namespace *old_ns = tsk->nsproxy->uts_ns;
+ struct uts_namespace *new_ns;
+
+ BUG_ON(!old_ns);
+@@ -66,7 +69,7 @@ struct uts_namespace *copy_utsname(unsig
+ if (!(flags & CLONE_NEWUTS))
+ return old_ns;
+
+- new_ns = clone_uts_ns(tsk, old_ns);
++ new_ns = clone_uts_ns(old_ns, user_ns);
+
+ put_uts_ns(old_ns);
+ return new_ns;
+@@ -78,6 +81,7 @@ void free_uts_ns(struct kref *kref)
+
+ ns = container_of(kref, struct uts_namespace, kref);
+ put_user_ns(ns->user_ns);
++ atomic_dec(&vs_global_uts_ns);
+ kfree(ns);
+ }
+
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/Kconfig linux-3.7.10-vs2.3.5.6/kernel/vserver/Kconfig
+--- linux-3.7.10/kernel/vserver/Kconfig 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,233 @@
++#
++# Linux VServer configuration
++#
++
++menu "Linux VServer"
++
++config VSERVER_AUTO_LBACK
++ bool "Automatically Assign Loopback IP"
++ default y
++ help
++ Automatically assign a guest specific loopback
++ IP and add it to the kernel network stack on
++ startup.
++
++config VSERVER_AUTO_SINGLE
++ bool "Automatic Single IP Special Casing"
++ depends on EXPERIMENTAL
++ default y
++ help
++ This allows network contexts with a single IP to
++ automatically remap 0.0.0.0 bindings to that IP,
++ avoiding further network checks and improving
++ performance.
++
++ (note: such guests do not allow to change the ip
++ on the fly and do not show loopback addresses)
++
++config VSERVER_COWBL
++ bool "Enable COW Immutable Link Breaking"
++ default y
++ help
++ This enables the COW (Copy-On-Write) link break code.
++ It allows you to treat unified files like normal files
++ when writing to them (which will implicitely break the
++ link and create a copy of the unified file)
++
++config VSERVER_VTIME
++ bool "Enable Virtualized Guest Time"
++ depends on EXPERIMENTAL
++ default n
++ help
++ This enables per guest time offsets to allow for
++ adjusting the system clock individually per guest.
++ this adds some overhead to the time functions and
++ therefore should not be enabled without good reason.
++
++config VSERVER_DEVICE
++ bool "Enable Guest Device Mapping"
++ depends on EXPERIMENTAL
++ default n
++ help
++ This enables generic device remapping.
++
++config VSERVER_PROC_SECURE
++ bool "Enable Proc Security"
++ depends on PROC_FS
++ default y
++ help
++ This configures ProcFS security to initially hide
++ non-process entries for all contexts except the main and
++ spectator context (i.e. for all guests), which is a secure
++ default.
++
++ (note: on 1.2x the entries were visible by default)
++
++choice
++ prompt "Persistent Inode Tagging"
++ default TAGGING_ID24
++ help
++ This adds persistent context information to filesystems
++ mounted with the tagxid option. Tagging is a requirement
++ for per-context disk limits and per-context quota.
++
++
++config TAGGING_NONE
++ bool "Disabled"
++ help
++ do not store per-context information in inodes.
++
++config TAGGING_UID16
++ bool "UID16/GID32"
++ help
++ reduces UID to 16 bit, but leaves GID at 32 bit.
++
++config TAGGING_GID16
++ bool "UID32/GID16"
++ help
++ reduces GID to 16 bit, but leaves UID at 32 bit.
++
++config TAGGING_ID24
++ bool "UID24/GID24"
++ help
++ uses the upper 8bit from UID and GID for XID tagging
++ which leaves 24bit for UID/GID each, which should be
++ more than sufficient for normal use.
++
++config TAGGING_INTERN
++ bool "UID32/GID32"
++ help
++ this uses otherwise reserved inode fields in the on
++ disk representation, which limits the use to a few
++ filesystems (currently ext2 and ext3)
++
++endchoice
++
++config TAG_NFSD
++ bool "Tag NFSD User Auth and Files"
++ default n
++ help
++ Enable this if you do want the in-kernel NFS
++ Server to use the tagging specified above.
++ (will require patched clients too)
++
++config VSERVER_PRIVACY
++ bool "Honor Privacy Aspects of Guests"
++ default n
++ help
++ When enabled, most context checks will disallow
++ access to structures assigned to a specific context,
++ like ptys or loop devices.
++
++config VSERVER_CONTEXTS
++ int "Maximum number of Contexts (1-65533)" if EMBEDDED
++ range 1 65533
++ default "768" if 64BIT
++ default "256"
++ help
++ This setting will optimize certain data structures
++ and memory allocations according to the expected
++ maximum.
++
++ note: this is not a strict upper limit.
++
++config VSERVER_WARN
++ bool "VServer Warnings"
++ default y
++ help
++ This enables various runtime warnings, which will
++ notify about potential manipulation attempts or
++ resource shortage. It is generally considered to
++ be a good idea to have that enabled.
++
++config VSERVER_WARN_DEVPTS
++ bool "VServer DevPTS Warnings"
++ depends on VSERVER_WARN
++ default y
++ help
++ This enables DevPTS related warnings, issued when a
++ process inside a context tries to lookup or access
++ a dynamic pts from the host or a different context.
++
++config VSERVER_DEBUG
++ bool "VServer Debugging Code"
++ default n
++ help
++ Set this to yes if you want to be able to activate
++ debugging output at runtime. It adds a very small
++ overhead to all vserver related functions and
++ increases the kernel size by about 20k.
++
++config VSERVER_HISTORY
++ bool "VServer History Tracing"
++ depends on VSERVER_DEBUG
++ default n
++ help
++ Set this to yes if you want to record the history of
++ linux-vserver activities, so they can be replayed in
++ the event of a kernel panic or oops.
++
++config VSERVER_HISTORY_SIZE
++ int "Per-CPU History Size (32-65536)"
++ depends on VSERVER_HISTORY
++ range 32 65536
++ default 64
++ help
++ This allows you to specify the number of entries in
++ the per-CPU history buffer.
++
++config VSERVER_EXTRA_MNT_CHECK
++ bool "Extra Checks for Reachability"
++ default n
++ help
++ Set this to yes if you want to do extra checks for
++ vfsmount reachability in the proc filesystem code.
++ This shouldn't be required on any setup utilizing
++ mnt namespaces.
++
++choice
++ prompt "Quotes used in debug and warn messages"
++ default QUOTES_ISO8859
++
++config QUOTES_ISO8859
++ bool "Extended ASCII (ISO 8859) angle quotes"
++ help
++ This uses the extended ASCII characters \xbb
++ and \xab for quoting file and process names.
++
++config QUOTES_UTF8
++ bool "UTF-8 angle quotes"
++ help
++ This uses the the UTF-8 sequences for angle
++ quotes to quote file and process names.
++
++config QUOTES_ASCII
++ bool "ASCII single quotes"
++ help
++ This uses the ASCII single quote character
++ (\x27) to quote file and process names.
++
++endchoice
++
++endmenu
++
++
++config VSERVER
++ bool
++ default y
++ select NAMESPACES
++ select UTS_NS
++ select IPC_NS
++# select USER_NS
++ select SYSVIPC
++
++config VSERVER_SECURITY
++ bool
++ depends on SECURITY
++ default y
++ select SECURITY_CAPABILITIES
++
++config VSERVER_DISABLED
++ bool
++ default n
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/Makefile linux-3.7.10-vs2.3.5.6/kernel/vserver/Makefile
+--- linux-3.7.10/kernel/vserver/Makefile 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/Makefile 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,18 @@
++#
++# Makefile for the Linux vserver routines.
++#
++
++
++obj-y += vserver.o
++
++vserver-y := switch.o context.o space.o sched.o network.o inode.o \
++ limit.o cvirt.o cacct.o signal.o helper.o init.o \
++ dlimit.o tag.o
++
++vserver-$(CONFIG_INET) += inet.o
++vserver-$(CONFIG_PROC_FS) += proc.o
++vserver-$(CONFIG_VSERVER_DEBUG) += sysctl.o debug.o
++vserver-$(CONFIG_VSERVER_HISTORY) += history.o
++vserver-$(CONFIG_VSERVER_MONITOR) += monitor.o
++vserver-$(CONFIG_VSERVER_DEVICE) += device.o
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cacct.c linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct.c
+--- linux-3.7.10/kernel/vserver/cacct.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,42 @@
++/*
++ * linux/kernel/vserver/cacct.c
++ *
++ * Virtual Server: Context Accounting
++ *
++ * Copyright (C) 2006-2007 Herbert Pötzl
++ *
++ * V0.01 added accounting stats
++ *
++ */
++
++#include <linux/types.h>
++#include <linux/vs_context.h>
++#include <linux/vserver/cacct_cmd.h>
++#include <linux/vserver/cacct_int.h>
++
++#include <asm/errno.h>
++#include <asm/uaccess.h>
++
++
++int vc_sock_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_sock_stat_v0 vc_data;
++ int j, field;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ field = vc_data.field;
++ if ((field < 0) || (field >= VXA_SOCK_SIZE))
++ return -EINVAL;
++
++ for (j = 0; j < 3; j++) {
++ vc_data.count[j] = vx_sock_count(&vxi->cacct, field, j);
++ vc_data.total[j] = vx_sock_total(&vxi->cacct, field, j);
++ }
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cacct_init.h linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct_init.h
+--- linux-3.7.10/kernel/vserver/cacct_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct_init.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,25 @@
++
++
++static inline void vx_info_init_cacct(struct _vx_cacct *cacct)
++{
++ int i, j;
++
++
++ for (i = 0; i < VXA_SOCK_SIZE; i++) {
++ for (j = 0; j < 3; j++) {
++ atomic_long_set(&cacct->sock[i][j].count, 0);
++ atomic_long_set(&cacct->sock[i][j].total, 0);
++ }
++ }
++ for (i = 0; i < 8; i++)
++ atomic_set(&cacct->slab[i], 0);
++ for (i = 0; i < 5; i++)
++ for (j = 0; j < 4; j++)
++ atomic_set(&cacct->page[i][j], 0);
++}
++
++static inline void vx_info_exit_cacct(struct _vx_cacct *cacct)
++{
++ return;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cacct_proc.h linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct_proc.h
+--- linux-3.7.10/kernel/vserver/cacct_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct_proc.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,53 @@
++#ifndef _VX_CACCT_PROC_H
++#define _VX_CACCT_PROC_H
++
++#include <linux/vserver/cacct_int.h>
++
++
++#define VX_SOCKA_TOP \
++ "Type\t recv #/bytes\t\t send #/bytes\t\t fail #/bytes\n"
++
++static inline int vx_info_proc_cacct(struct _vx_cacct *cacct, char *buffer)
++{
++ int i, j, length = 0;
++ static char *type[VXA_SOCK_SIZE] = {
++ "UNSPEC", "UNIX", "INET", "INET6", "PACKET", "OTHER"
++ };
++
++ length += sprintf(buffer + length, VX_SOCKA_TOP);
++ for (i = 0; i < VXA_SOCK_SIZE; i++) {
++ length += sprintf(buffer + length, "%s:", type[i]);
++ for (j = 0; j < 3; j++) {
++ length += sprintf(buffer + length,
++ "\t%10lu/%-10lu",
++ vx_sock_count(cacct, i, j),
++ vx_sock_total(cacct, i, j));
++ }
++ buffer[length++] = '\n';
++ }
++
++ length += sprintf(buffer + length, "\n");
++ length += sprintf(buffer + length,
++ "slab:\t %8u %8u %8u %8u\n",
++ atomic_read(&cacct->slab[1]),
++ atomic_read(&cacct->slab[4]),
++ atomic_read(&cacct->slab[0]),
++ atomic_read(&cacct->slab[2]));
++
++ length += sprintf(buffer + length, "\n");
++ for (i = 0; i < 5; i++) {
++ length += sprintf(buffer + length,
++ "page[%d]: %8u %8u %8u %8u\t %8u %8u %8u %8u\n", i,
++ atomic_read(&cacct->page[i][0]),
++ atomic_read(&cacct->page[i][1]),
++ atomic_read(&cacct->page[i][2]),
++ atomic_read(&cacct->page[i][3]),
++ atomic_read(&cacct->page[i][4]),
++ atomic_read(&cacct->page[i][5]),
++ atomic_read(&cacct->page[i][6]),
++ atomic_read(&cacct->page[i][7]));
++ }
++ return length;
++}
++
++#endif /* _VX_CACCT_PROC_H */
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/context.c linux-3.7.10-vs2.3.5.6/kernel/vserver/context.c
+--- linux-3.7.10/kernel/vserver/context.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/context.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,1119 @@
++/*
++ * linux/kernel/vserver/context.c
++ *
++ * Virtual Server: Context Support
++ *
++ * Copyright (C) 2003-2011 Herbert Pötzl
++ *
++ * V0.01 context helper
++ * V0.02 vx_ctx_kill syscall command
++ * V0.03 replaced context_info calls
++ * V0.04 redesign of struct (de)alloc
++ * V0.05 rlimit basic implementation
++ * V0.06 task_xid and info commands
++ * V0.07 context flags and caps
++ * V0.08 switch to RCU based hash
++ * V0.09 revert to non RCU for now
++ * V0.10 and back to working RCU hash
++ * V0.11 and back to locking again
++ * V0.12 referenced context store
++ * V0.13 separate per cpu data
++ * V0.14 changed vcmds to vxi arg
++ * V0.15 added context stat
++ * V0.16 have __create claim() the vxi
++ * V0.17 removed older and legacy stuff
++ * V0.18 added user credentials
++ * V0.19 added warn mask
++ *
++ */
++
++#include <linux/slab.h>
++#include <linux/types.h>
++#include <linux/security.h>
++#include <linux/pid_namespace.h>
++#include <linux/capability.h>
++
++#include <linux/vserver/context.h>
++#include <linux/vserver/network.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/limit.h>
++#include <linux/vserver/limit_int.h>
++#include <linux/vserver/space.h>
++#include <linux/init_task.h>
++#include <linux/fs_struct.h>
++#include <linux/cred.h>
++
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/context_cmd.h>
++
++#include "cvirt_init.h"
++#include "cacct_init.h"
++#include "limit_init.h"
++#include "sched_init.h"
++
++
++atomic_t vx_global_ctotal = ATOMIC_INIT(0);
++atomic_t vx_global_cactive = ATOMIC_INIT(0);
++
++
++/* now inactive context structures */
++
++static struct hlist_head vx_info_inactive = HLIST_HEAD_INIT;
++
++static DEFINE_SPINLOCK(vx_info_inactive_lock);
++
++
++/* __alloc_vx_info()
++
++ * allocate an initialized vx_info struct
++ * doesn't make it visible (hash) */
++
++static struct vx_info *__alloc_vx_info(xid_t xid)
++{
++ struct vx_info *new = NULL;
++ int cpu, index;
++
++ vxdprintk(VXD_CBIT(xid, 0), "alloc_vx_info(%d)*", xid);
++
++ /* would this benefit from a slab cache? */
++ new = kmalloc(sizeof(struct vx_info), GFP_KERNEL);
++ if (!new)
++ return 0;
++
++ memset(new, 0, sizeof(struct vx_info));
++#ifdef CONFIG_SMP
++ new->ptr_pc = alloc_percpu(struct _vx_info_pc);
++ if (!new->ptr_pc)
++ goto error;
++#endif
++ new->vx_id = xid;
++ INIT_HLIST_NODE(&new->vx_hlist);
++ atomic_set(&new->vx_usecnt, 0);
++ atomic_set(&new->vx_tasks, 0);
++ new->vx_parent = NULL;
++ new->vx_state = 0;
++ init_waitqueue_head(&new->vx_wait);
++
++ /* prepare reaper */
++ get_task_struct(init_pid_ns.child_reaper);
++ new->vx_reaper = init_pid_ns.child_reaper;
++ new->vx_badness_bias = 0;
++
++ /* rest of init goes here */
++ vx_info_init_limit(&new->limit);
++ vx_info_init_sched(&new->sched);
++ vx_info_init_cvirt(&new->cvirt);
++ vx_info_init_cacct(&new->cacct);
++
++ /* per cpu data structures */
++ for_each_possible_cpu(cpu) {
++ vx_info_init_sched_pc(
++ &vx_per_cpu(new, sched_pc, cpu), cpu);
++ vx_info_init_cvirt_pc(
++ &vx_per_cpu(new, cvirt_pc, cpu), cpu);
++ }
++
++ new->vx_flags = VXF_INIT_SET;
++ new->vx_bcaps = CAP_FULL_SET; // maybe ~CAP_SETPCAP
++ new->vx_ccaps = 0;
++ new->vx_umask = 0;
++ new->vx_wmask = 0;
++
++ new->reboot_cmd = 0;
++ new->exit_code = 0;
++
++ // preconfig spaces
++ for (index = 0; index < VX_SPACES; index++) {
++ struct _vx_space *space = &new->space[index];
++
++ // filesystem
++ spin_lock(&init_fs.lock);
++ init_fs.users++;
++ spin_unlock(&init_fs.lock);
++ space->vx_fs = &init_fs;
++
++ /* FIXME: do we want defaults? */
++ // space->vx_real_cred = 0;
++ // space->vx_cred = 0;
++ }
++
++
++ vxdprintk(VXD_CBIT(xid, 0),
++ "alloc_vx_info(%d) = %p", xid, new);
++ vxh_alloc_vx_info(new);
++ atomic_inc(&vx_global_ctotal);
++ return new;
++#ifdef CONFIG_SMP
++error:
++ kfree(new);
++ return 0;
++#endif
++}
++
++/* __dealloc_vx_info()
++
++ * final disposal of vx_info */
++
++static void __dealloc_vx_info(struct vx_info *vxi)
++{
++#ifdef CONFIG_VSERVER_WARN
++ struct vx_info_save vxis;
++ int cpu;
++#endif
++ vxdprintk(VXD_CBIT(xid, 0),
++ "dealloc_vx_info(%p)", vxi);
++ vxh_dealloc_vx_info(vxi);
++
++#ifdef CONFIG_VSERVER_WARN
++ enter_vx_info(vxi, &vxis);
++ vx_info_exit_limit(&vxi->limit);
++ vx_info_exit_sched(&vxi->sched);
++ vx_info_exit_cvirt(&vxi->cvirt);
++ vx_info_exit_cacct(&vxi->cacct);
++
++ for_each_possible_cpu(cpu) {
++ vx_info_exit_sched_pc(
++ &vx_per_cpu(vxi, sched_pc, cpu), cpu);
++ vx_info_exit_cvirt_pc(
++ &vx_per_cpu(vxi, cvirt_pc, cpu), cpu);
++ }
++ leave_vx_info(&vxis);
++#endif
++
++ vxi->vx_id = -1;
++ vxi->vx_state |= VXS_RELEASED;
++
++#ifdef CONFIG_SMP
++ free_percpu(vxi->ptr_pc);
++#endif
++ kfree(vxi);
++ atomic_dec(&vx_global_ctotal);
++}
++
++static void __shutdown_vx_info(struct vx_info *vxi)
++{
++ struct nsproxy *nsproxy;
++ struct fs_struct *fs;
++ struct cred *cred;
++ int index, kill;
++
++ might_sleep();
++
++ vxi->vx_state |= VXS_SHUTDOWN;
++ vs_state_change(vxi, VSC_SHUTDOWN);
++
++ for (index = 0; index < VX_SPACES; index++) {
++ struct _vx_space *space = &vxi->space[index];
++
++ nsproxy = xchg(&space->vx_nsproxy, NULL);
++ if (nsproxy)
++ put_nsproxy(nsproxy);
++
++ fs = xchg(&space->vx_fs, NULL);
++ spin_lock(&fs->lock);
++ kill = !--fs->users;
++ spin_unlock(&fs->lock);
++ if (kill)
++ free_fs_struct(fs);
++
++ cred = (struct cred *)xchg(&space->vx_cred, NULL);
++ if (cred)
++ abort_creds(cred);
++ }
++}
++
++/* exported stuff */
++
++void free_vx_info(struct vx_info *vxi)
++{
++ unsigned long flags;
++ unsigned index;
++
++ /* check for reference counts first */
++ BUG_ON(atomic_read(&vxi->vx_usecnt));
++ BUG_ON(atomic_read(&vxi->vx_tasks));
++
++ /* context must not be hashed */
++ BUG_ON(vx_info_state(vxi, VXS_HASHED));
++
++ /* context shutdown is mandatory */
++ BUG_ON(!vx_info_state(vxi, VXS_SHUTDOWN));
++
++ /* spaces check */
++ for (index = 0; index < VX_SPACES; index++) {
++ struct _vx_space *space = &vxi->space[index];
++
++ BUG_ON(space->vx_nsproxy);
++ BUG_ON(space->vx_fs);
++ // BUG_ON(space->vx_real_cred);
++ // BUG_ON(space->vx_cred);
++ }
++
++ spin_lock_irqsave(&vx_info_inactive_lock, flags);
++ hlist_del(&vxi->vx_hlist);
++ spin_unlock_irqrestore(&vx_info_inactive_lock, flags);
++
++ __dealloc_vx_info(vxi);
++}
++
++
++/* hash table for vx_info hash */
++
++#define VX_HASH_SIZE 13
++
++static struct hlist_head vx_info_hash[VX_HASH_SIZE] =
++ { [0 ... VX_HASH_SIZE-1] = HLIST_HEAD_INIT };
++
++static DEFINE_SPINLOCK(vx_info_hash_lock);
++
++
++static inline unsigned int __hashval(xid_t xid)
++{
++ return (xid % VX_HASH_SIZE);
++}
++
++
++
++/* __hash_vx_info()
++
++ * add the vxi to the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __hash_vx_info(struct vx_info *vxi)
++{
++ struct hlist_head *head;
++
++ vxd_assert_lock(&vx_info_hash_lock);
++ vxdprintk(VXD_CBIT(xid, 4),
++ "__hash_vx_info: %p[#%d]", vxi, vxi->vx_id);
++ vxh_hash_vx_info(vxi);
++
++ /* context must not be hashed */
++ BUG_ON(vx_info_state(vxi, VXS_HASHED));
++
++ vxi->vx_state |= VXS_HASHED;
++ head = &vx_info_hash[__hashval(vxi->vx_id)];
++ hlist_add_head(&vxi->vx_hlist, head);
++ atomic_inc(&vx_global_cactive);
++}
++
++/* __unhash_vx_info()
++
++ * remove the vxi from the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __unhash_vx_info(struct vx_info *vxi)
++{
++ unsigned long flags;
++
++ vxd_assert_lock(&vx_info_hash_lock);
++ vxdprintk(VXD_CBIT(xid, 4),
++ "__unhash_vx_info: %p[#%d.%d.%d]", vxi, vxi->vx_id,
++ atomic_read(&vxi->vx_usecnt), atomic_read(&vxi->vx_tasks));
++ vxh_unhash_vx_info(vxi);
++
++ /* context must be hashed */
++ BUG_ON(!vx_info_state(vxi, VXS_HASHED));
++ /* but without tasks */
++ BUG_ON(atomic_read(&vxi->vx_tasks));
++
++ vxi->vx_state &= ~VXS_HASHED;
++ hlist_del_init(&vxi->vx_hlist);
++ spin_lock_irqsave(&vx_info_inactive_lock, flags);
++ hlist_add_head(&vxi->vx_hlist, &vx_info_inactive);
++ spin_unlock_irqrestore(&vx_info_inactive_lock, flags);
++ atomic_dec(&vx_global_cactive);
++}
++
++
++/* __lookup_vx_info()
++
++ * requires the hash_lock to be held
++ * doesn't increment the vx_refcnt */
++
++static inline struct vx_info *__lookup_vx_info(xid_t xid)
++{
++ struct hlist_head *head = &vx_info_hash[__hashval(xid)];
++ struct hlist_node *pos;
++ struct vx_info *vxi;
++
++ vxd_assert_lock(&vx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ vxi = hlist_entry(pos, struct vx_info, vx_hlist);
++
++ if (vxi->vx_id == xid)
++ goto found;
++ }
++ vxi = NULL;
++found:
++ vxdprintk(VXD_CBIT(xid, 0),
++ "__lookup_vx_info(#%u): %p[#%u]",
++ xid, vxi, vxi ? vxi->vx_id : 0);
++ vxh_lookup_vx_info(vxi, xid);
++ return vxi;
++}
++
++
++/* __create_vx_info()
++
++ * create the requested context
++ * get(), claim() and hash it */
++
++static struct vx_info *__create_vx_info(int id)
++{
++ struct vx_info *new, *vxi = NULL;
++
++ vxdprintk(VXD_CBIT(xid, 1), "create_vx_info(%d)*", id);
++
++ if (!(new = __alloc_vx_info(id)))
++ return ERR_PTR(-ENOMEM);
++
++ /* required to make dynamic xids unique */
++ spin_lock(&vx_info_hash_lock);
++
++ /* static context requested */
++ if ((vxi = __lookup_vx_info(id))) {
++ vxdprintk(VXD_CBIT(xid, 0),
++ "create_vx_info(%d) = %p (already there)", id, vxi);
++ if (vx_info_flags(vxi, VXF_STATE_SETUP, 0))
++ vxi = ERR_PTR(-EBUSY);
++ else
++ vxi = ERR_PTR(-EEXIST);
++ goto out_unlock;
++ }
++ /* new context */
++ vxdprintk(VXD_CBIT(xid, 0),
++ "create_vx_info(%d) = %p (new)", id, new);
++ claim_vx_info(new, NULL);
++ __hash_vx_info(get_vx_info(new));
++ vxi = new, new = NULL;
++
++out_unlock:
++ spin_unlock(&vx_info_hash_lock);
++ vxh_create_vx_info(IS_ERR(vxi) ? NULL : vxi, id);
++ if (new)
++ __dealloc_vx_info(new);
++ return vxi;
++}
++
++
++/* exported stuff */
++
++
++void unhash_vx_info(struct vx_info *vxi)
++{
++ spin_lock(&vx_info_hash_lock);
++ __unhash_vx_info(vxi);
++ spin_unlock(&vx_info_hash_lock);
++ __shutdown_vx_info(vxi);
++ __wakeup_vx_info(vxi);
++}
++
++
++/* lookup_vx_info()
++
++ * search for a vx_info and get() it
++ * negative id means current */
++
++struct vx_info *lookup_vx_info(int id)
++{
++ struct vx_info *vxi = NULL;
++
++ if (id < 0) {
++ vxi = get_vx_info(current_vx_info());
++ } else if (id > 1) {
++ spin_lock(&vx_info_hash_lock);
++ vxi = get_vx_info(__lookup_vx_info(id));
++ spin_unlock(&vx_info_hash_lock);
++ }
++ return vxi;
++}
++
++/* xid_is_hashed()
++
++ * verify that xid is still hashed */
++
++int xid_is_hashed(xid_t xid)
++{
++ int hashed;
++
++ spin_lock(&vx_info_hash_lock);
++ hashed = (__lookup_vx_info(xid) != NULL);
++ spin_unlock(&vx_info_hash_lock);
++ return hashed;
++}
++
++#ifdef CONFIG_PROC_FS
++
++/* get_xid_list()
++
++ * get a subset of hashed xids for proc
++ * assumes size is at least one */
++
++int get_xid_list(int index, unsigned int *xids, int size)
++{
++ int hindex, nr_xids = 0;
++
++ /* only show current and children */
++ if (!vx_check(0, VS_ADMIN | VS_WATCH)) {
++ if (index > 0)
++ return 0;
++ xids[nr_xids] = vx_current_xid();
++ return 1;
++ }
++
++ for (hindex = 0; hindex < VX_HASH_SIZE; hindex++) {
++ struct hlist_head *head = &vx_info_hash[hindex];
++ struct hlist_node *pos;
++
++ spin_lock(&vx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ struct vx_info *vxi;
++
++ if (--index > 0)
++ continue;
++
++ vxi = hlist_entry(pos, struct vx_info, vx_hlist);
++ xids[nr_xids] = vxi->vx_id;
++ if (++nr_xids >= size) {
++ spin_unlock(&vx_info_hash_lock);
++ goto out;
++ }
++ }
++ /* keep the lock time short */
++ spin_unlock(&vx_info_hash_lock);
++ }
++out:
++ return nr_xids;
++}
++#endif
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++void dump_vx_info_inactive(int level)
++{
++ struct hlist_node *entry, *next;
++
++ hlist_for_each_safe(entry, next, &vx_info_inactive) {
++ struct vx_info *vxi =
++ list_entry(entry, struct vx_info, vx_hlist);
++
++ dump_vx_info(vxi, level);
++ }
++}
++
++#endif
++
++#if 0
++int vx_migrate_user(struct task_struct *p, struct vx_info *vxi)
++{
++ struct user_struct *new_user, *old_user;
++
++ if (!p || !vxi)
++ BUG();
++
++ if (vx_info_flags(vxi, VXF_INFO_PRIVATE, 0))
++ return -EACCES;
++
++ new_user = alloc_uid(vxi->vx_id, p->uid);
++ if (!new_user)
++ return -ENOMEM;
++
++ old_user = p->user;
++ if (new_user != old_user) {
++ atomic_inc(&new_user->processes);
++ atomic_dec(&old_user->processes);
++ p->user = new_user;
++ }
++ free_uid(old_user);
++ return 0;
++}
++#endif
++
++#if 0
++void vx_mask_cap_bset(struct vx_info *vxi, struct task_struct *p)
++{
++ // p->cap_effective &= vxi->vx_cap_bset;
++ p->cap_effective =
++ cap_intersect(p->cap_effective, vxi->cap_bset);
++ // p->cap_inheritable &= vxi->vx_cap_bset;
++ p->cap_inheritable =
++ cap_intersect(p->cap_inheritable, vxi->cap_bset);
++ // p->cap_permitted &= vxi->vx_cap_bset;
++ p->cap_permitted =
++ cap_intersect(p->cap_permitted, vxi->cap_bset);
++}
++#endif
++
++
++#include <linux/file.h>
++#include <linux/fdtable.h>
++
++static int vx_openfd_task(struct task_struct *tsk)
++{
++ struct files_struct *files = tsk->files;
++ struct fdtable *fdt;
++ const unsigned long *bptr;
++ int count, total;
++
++ /* no rcu_read_lock() because of spin_lock() */
++ spin_lock(&files->file_lock);
++ fdt = files_fdtable(files);
++ bptr = fdt->open_fds;
++ count = fdt->max_fds / (sizeof(unsigned long) * 8);
++ for (total = 0; count > 0; count--) {
++ if (*bptr)
++ total += hweight_long(*bptr);
++ bptr++;
++ }
++ spin_unlock(&files->file_lock);
++ return total;
++}
++
++
++/* for *space compatibility */
++
++asmlinkage long sys_unshare(unsigned long);
++
++/*
++ * migrate task to new context
++ * gets vxi, puts old_vxi on change
++ * optionally unshares namespaces (hack)
++ */
++
++int vx_migrate_task(struct task_struct *p, struct vx_info *vxi, int unshare)
++{
++ struct vx_info *old_vxi;
++ int ret = 0;
++
++ if (!p || !vxi)
++ BUG();
++
++ vxdprintk(VXD_CBIT(xid, 5),
++ "vx_migrate_task(%p,%p[#%d.%d])", p, vxi,
++ vxi->vx_id, atomic_read(&vxi->vx_usecnt));
++
++ if (vx_info_flags(vxi, VXF_INFO_PRIVATE, 0) &&
++ !vx_info_flags(vxi, VXF_STATE_SETUP, 0))
++ return -EACCES;
++
++ if (vx_info_state(vxi, VXS_SHUTDOWN))
++ return -EFAULT;
++
++ old_vxi = task_get_vx_info(p);
++ if (old_vxi == vxi)
++ goto out;
++
++// if (!(ret = vx_migrate_user(p, vxi))) {
++ {
++ int openfd;
++
++ task_lock(p);
++ openfd = vx_openfd_task(p);
++
++ if (old_vxi) {
++ atomic_dec(&old_vxi->cvirt.nr_threads);
++ atomic_dec(&old_vxi->cvirt.nr_running);
++ __rlim_dec(&old_vxi->limit, RLIMIT_NPROC);
++ /* FIXME: what about the struct files here? */
++ __rlim_sub(&old_vxi->limit, VLIMIT_OPENFD, openfd);
++ /* account for the executable */
++ __rlim_dec(&old_vxi->limit, VLIMIT_DENTRY);
++ }
++ atomic_inc(&vxi->cvirt.nr_threads);
++ atomic_inc(&vxi->cvirt.nr_running);
++ __rlim_inc(&vxi->limit, RLIMIT_NPROC);
++ /* FIXME: what about the struct files here? */
++ __rlim_add(&vxi->limit, VLIMIT_OPENFD, openfd);
++ /* account for the executable */
++ __rlim_inc(&vxi->limit, VLIMIT_DENTRY);
++
++ if (old_vxi) {
++ release_vx_info(old_vxi, p);
++ clr_vx_info(&p->vx_info);
++ }
++ claim_vx_info(vxi, p);
++ set_vx_info(&p->vx_info, vxi);
++ p->xid = vxi->vx_id;
++
++ vxdprintk(VXD_CBIT(xid, 5),
++ "moved task %p into vxi:%p[#%d]",
++ p, vxi, vxi->vx_id);
++
++ // vx_mask_cap_bset(vxi, p);
++ task_unlock(p);
++
++ /* hack for *spaces to provide compatibility */
++ if (unshare) {
++ struct nsproxy *old_nsp, *new_nsp;
++
++ ret = unshare_nsproxy_namespaces(
++ CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER,
++ &new_nsp, NULL);
++ if (ret)
++ goto out;
++
++ old_nsp = xchg(&p->nsproxy, new_nsp);
++ vx_set_space(vxi,
++ CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER, 0);
++ put_nsproxy(old_nsp);
++ }
++ }
++out:
++ put_vx_info(old_vxi);
++ return ret;
++}
++
++int vx_set_reaper(struct vx_info *vxi, struct task_struct *p)
++{
++ struct task_struct *old_reaper;
++ struct vx_info *reaper_vxi;
++
++ if (!vxi)
++ return -EINVAL;
++
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_set_reaper(%p[#%d],%p[#%d,%d])",
++ vxi, vxi->vx_id, p, p->xid, p->pid);
++
++ old_reaper = vxi->vx_reaper;
++ if (old_reaper == p)
++ return 0;
++
++ reaper_vxi = task_get_vx_info(p);
++ if (reaper_vxi && reaper_vxi != vxi) {
++ vxwprintk(1,
++ "Unsuitable reaper [" VS_Q("%s") ",%u:#%u] "
++ "for [xid #%u]",
++ p->comm, p->pid, p->xid, vx_current_xid());
++ goto out;
++ }
++
++ /* set new child reaper */
++ get_task_struct(p);
++ vxi->vx_reaper = p;
++ put_task_struct(old_reaper);
++out:
++ put_vx_info(reaper_vxi);
++ return 0;
++}
++
++int vx_set_init(struct vx_info *vxi, struct task_struct *p)
++{
++ if (!vxi)
++ return -EINVAL;
++
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_set_init(%p[#%d],%p[#%d,%d,%d])",
++ vxi, vxi->vx_id, p, p->xid, p->pid, p->tgid);
++
++ vxi->vx_flags &= ~VXF_STATE_INIT;
++ // vxi->vx_initpid = p->tgid;
++ vxi->vx_initpid = p->pid;
++ return 0;
++}
++
++void vx_exit_init(struct vx_info *vxi, struct task_struct *p, int code)
++{
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_exit_init(%p[#%d],%p[#%d,%d,%d])",
++ vxi, vxi->vx_id, p, p->xid, p->pid, p->tgid);
++
++ vxi->exit_code = code;
++ vxi->vx_initpid = 0;
++}
++
++
++void vx_set_persistent(struct vx_info *vxi)
++{
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_set_persistent(%p[#%d])", vxi, vxi->vx_id);
++
++ get_vx_info(vxi);
++ claim_vx_info(vxi, NULL);
++}
++
++void vx_clear_persistent(struct vx_info *vxi)
++{
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_clear_persistent(%p[#%d])", vxi, vxi->vx_id);
++
++ release_vx_info(vxi, NULL);
++ put_vx_info(vxi);
++}
++
++void vx_update_persistent(struct vx_info *vxi)
++{
++ if (vx_info_flags(vxi, VXF_PERSISTENT, 0))
++ vx_set_persistent(vxi);
++ else
++ vx_clear_persistent(vxi);
++}
++
++
++/* task must be current or locked */
++
++void exit_vx_info(struct task_struct *p, int code)
++{
++ struct vx_info *vxi = p->vx_info;
++
++ if (vxi) {
++ atomic_dec(&vxi->cvirt.nr_threads);
++ vx_nproc_dec(p);
++
++ vxi->exit_code = code;
++ release_vx_info(vxi, p);
++ }
++}
++
++void exit_vx_info_early(struct task_struct *p, int code)
++{
++ struct vx_info *vxi = p->vx_info;
++
++ if (vxi) {
++ if (vxi->vx_initpid == p->pid)
++ vx_exit_init(vxi, p, code);
++ if (vxi->vx_reaper == p)
++ vx_set_reaper(vxi, init_pid_ns.child_reaper);
++ }
++}
++
++
++/* vserver syscall commands below here */
++
++/* taks xid and vx_info functions */
++
++#include <asm/uaccess.h>
++
++
++int vc_task_xid(uint32_t id)
++{
++ xid_t xid;
++
++ if (id) {
++ struct task_struct *tsk;
++
++ rcu_read_lock();
++ tsk = find_task_by_real_pid(id);
++ xid = (tsk) ? tsk->xid : -ESRCH;
++ rcu_read_unlock();
++ } else
++ xid = vx_current_xid();
++ return xid;
++}
++
++
++int vc_vx_info(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_vx_info_v0 vc_data;
++
++ vc_data.xid = vxi->vx_id;
++ vc_data.initpid = vxi->vx_initpid;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++int vc_ctx_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_stat_v0 vc_data;
++
++ vc_data.usecnt = atomic_read(&vxi->vx_usecnt);
++ vc_data.tasks = atomic_read(&vxi->vx_tasks);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++/* context functions */
++
++int vc_ctx_create(uint32_t xid, void __user *data)
++{
++ struct vcmd_ctx_create vc_data = { .flagword = VXF_INIT_SET };
++ struct vx_info *new_vxi;
++ int ret;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if ((xid > MAX_S_CONTEXT) || (xid < 2))
++ return -EINVAL;
++
++ new_vxi = __create_vx_info(xid);
++ if (IS_ERR(new_vxi))
++ return PTR_ERR(new_vxi);
++
++ /* initial flags */
++ new_vxi->vx_flags = vc_data.flagword;
++
++ ret = -ENOEXEC;
++ if (vs_state_change(new_vxi, VSC_STARTUP))
++ goto out;
++
++ ret = vx_migrate_task(current, new_vxi, (!data));
++ if (ret)
++ goto out;
++
++ /* return context id on success */
++ ret = new_vxi->vx_id;
++
++ /* get a reference for persistent contexts */
++ if ((vc_data.flagword & VXF_PERSISTENT))
++ vx_set_persistent(new_vxi);
++out:
++ release_vx_info(new_vxi, NULL);
++ put_vx_info(new_vxi);
++ return ret;
++}
++
++
++int vc_ctx_migrate(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_migrate vc_data = { .flagword = 0 };
++ int ret;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = vx_migrate_task(current, vxi, 0);
++ if (ret)
++ return ret;
++ if (vc_data.flagword & VXM_SET_INIT)
++ ret = vx_set_init(vxi, current);
++ if (ret)
++ return ret;
++ if (vc_data.flagword & VXM_SET_REAPER)
++ ret = vx_set_reaper(vxi, current);
++ return ret;
++}
++
++
++int vc_get_cflags(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_flags_v0 vc_data;
++
++ vc_data.flagword = vxi->vx_flags;
++
++ /* special STATE flag handling */
++ vc_data.mask = vs_mask_flags(~0ULL, vxi->vx_flags, VXF_ONE_TIME);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_cflags(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_flags_v0 vc_data;
++ uint64_t mask, trigger;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ /* special STATE flag handling */
++ mask = vs_mask_mask(vc_data.mask, vxi->vx_flags, VXF_ONE_TIME);
++ trigger = (mask & vxi->vx_flags) ^ (mask & vc_data.flagword);
++
++ if (vxi == current_vx_info()) {
++ /* if (trigger & VXF_STATE_SETUP)
++ vx_mask_cap_bset(vxi, current); */
++ if (trigger & VXF_STATE_INIT) {
++ int ret;
++
++ ret = vx_set_init(vxi, current);
++ if (ret)
++ return ret;
++ ret = vx_set_reaper(vxi, current);
++ if (ret)
++ return ret;
++ }
++ }
++
++ vxi->vx_flags = vs_mask_flags(vxi->vx_flags,
++ vc_data.flagword, mask);
++ if (trigger & VXF_PERSISTENT)
++ vx_update_persistent(vxi);
++
++ return 0;
++}
++
++
++static inline uint64_t caps_from_cap_t(kernel_cap_t c)
++{
++ uint64_t v = c.cap[0] | ((uint64_t)c.cap[1] << 32);
++
++ // printk("caps_from_cap_t(%08x:%08x) = %016llx\n", c.cap[1], c.cap[0], v);
++ return v;
++}
++
++static inline kernel_cap_t cap_t_from_caps(uint64_t v)
++{
++ kernel_cap_t c = __cap_empty_set;
++
++ c.cap[0] = v & 0xFFFFFFFF;
++ c.cap[1] = (v >> 32) & 0xFFFFFFFF;
++
++ // printk("cap_t_from_caps(%016llx) = %08x:%08x\n", v, c.cap[1], c.cap[0]);
++ return c;
++}
++
++
++static int do_get_caps(struct vx_info *vxi, uint64_t *bcaps, uint64_t *ccaps)
++{
++ if (bcaps)
++ *bcaps = caps_from_cap_t(vxi->vx_bcaps);
++ if (ccaps)
++ *ccaps = vxi->vx_ccaps;
++
++ return 0;
++}
++
++int vc_get_ccaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_caps_v1 vc_data;
++ int ret;
++
++ ret = do_get_caps(vxi, NULL, &vc_data.ccaps);
++ if (ret)
++ return ret;
++ vc_data.cmask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++static int do_set_caps(struct vx_info *vxi,
++ uint64_t bcaps, uint64_t bmask, uint64_t ccaps, uint64_t cmask)
++{
++ uint64_t bcold = caps_from_cap_t(vxi->vx_bcaps);
++
++#if 0
++ printk("do_set_caps(%16llx, %16llx, %16llx, %16llx)\n",
++ bcaps, bmask, ccaps, cmask);
++#endif
++ vxi->vx_bcaps = cap_t_from_caps(
++ vs_mask_flags(bcold, bcaps, bmask));
++ vxi->vx_ccaps = vs_mask_flags(vxi->vx_ccaps, ccaps, cmask);
++
++ return 0;
++}
++
++int vc_set_ccaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_caps_v1 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_caps(vxi, 0, 0, vc_data.ccaps, vc_data.cmask);
++}
++
++int vc_get_bcaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_bcaps vc_data;
++ int ret;
++
++ ret = do_get_caps(vxi, &vc_data.bcaps, NULL);
++ if (ret)
++ return ret;
++ vc_data.bmask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_bcaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_bcaps vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_caps(vxi, vc_data.bcaps, vc_data.bmask, 0, 0);
++}
++
++
++int vc_get_umask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_umask vc_data;
++
++ vc_data.umask = vxi->vx_umask;
++ vc_data.mask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_umask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_umask vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ vxi->vx_umask = vs_mask_flags(vxi->vx_umask,
++ vc_data.umask, vc_data.mask);
++ return 0;
++}
++
++
++int vc_get_wmask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_wmask vc_data;
++
++ vc_data.wmask = vxi->vx_wmask;
++ vc_data.mask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_wmask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_wmask vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ vxi->vx_wmask = vs_mask_flags(vxi->vx_wmask,
++ vc_data.wmask, vc_data.mask);
++ return 0;
++}
++
++
++int vc_get_badness(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_badness_v0 vc_data;
++
++ vc_data.bias = vxi->vx_badness_bias;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_badness(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_badness_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ vxi->vx_badness_bias = vc_data.bias;
++ return 0;
++}
++
++#include <linux/module.h>
++
++EXPORT_SYMBOL_GPL(free_vx_info);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cvirt.c linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt.c
+--- linux-3.7.10/kernel/vserver/cvirt.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,313 @@
++/*
++ * linux/kernel/vserver/cvirt.c
++ *
++ * Virtual Server: Context Virtualization
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 broken out from limit.c
++ * V0.02 added utsname stuff
++ * V0.03 changed vcmds to vxi arg
++ *
++ */
++
++#include <linux/types.h>
++#include <linux/utsname.h>
++#include <linux/vs_cvirt.h>
++#include <linux/vserver/switch.h>
++#include <linux/vserver/cvirt_cmd.h>
++
++#include <asm/uaccess.h>
++
++
++void vx_vsi_boottime(struct timespec *boottime)
++{
++ struct vx_info *vxi = current_vx_info();
++
++ set_normalized_timespec(boottime,
++ boottime->tv_sec + vxi->cvirt.bias_uptime.tv_sec,
++ boottime->tv_nsec + vxi->cvirt.bias_uptime.tv_nsec);
++ return;
++}
++
++void vx_vsi_uptime(struct timespec *uptime, struct timespec *idle)
++{
++ struct vx_info *vxi = current_vx_info();
++
++ set_normalized_timespec(uptime,
++ uptime->tv_sec - vxi->cvirt.bias_uptime.tv_sec,
++ uptime->tv_nsec - vxi->cvirt.bias_uptime.tv_nsec);
++ if (!idle)
++ return;
++ set_normalized_timespec(idle,
++ idle->tv_sec - vxi->cvirt.bias_idle.tv_sec,
++ idle->tv_nsec - vxi->cvirt.bias_idle.tv_nsec);
++ return;
++}
++
++uint64_t vx_idle_jiffies(void)
++{
++ return init_task.utime + init_task.stime;
++}
++
++
++
++static inline uint32_t __update_loadavg(uint32_t load,
++ int wsize, int delta, int n)
++{
++ unsigned long long calc, prev;
++
++ /* just set it to n */
++ if (unlikely(delta >= wsize))
++ return (n << FSHIFT);
++
++ calc = delta * n;
++ calc <<= FSHIFT;
++ prev = (wsize - delta);
++ prev *= load;
++ calc += prev;
++ do_div(calc, wsize);
++ return calc;
++}
++
++
++void vx_update_load(struct vx_info *vxi)
++{
++ uint32_t now, last, delta;
++ unsigned int nr_running, nr_uninterruptible;
++ unsigned int total;
++ unsigned long flags;
++
++ spin_lock_irqsave(&vxi->cvirt.load_lock, flags);
++
++ now = jiffies;
++ last = vxi->cvirt.load_last;
++ delta = now - last;
++
++ if (delta < 5*HZ)
++ goto out;
++
++ nr_running = atomic_read(&vxi->cvirt.nr_running);
++ nr_uninterruptible = atomic_read(&vxi->cvirt.nr_uninterruptible);
++ total = nr_running + nr_uninterruptible;
++
++ vxi->cvirt.load[0] = __update_loadavg(vxi->cvirt.load[0],
++ 60*HZ, delta, total);
++ vxi->cvirt.load[1] = __update_loadavg(vxi->cvirt.load[1],
++ 5*60*HZ, delta, total);
++ vxi->cvirt.load[2] = __update_loadavg(vxi->cvirt.load[2],
++ 15*60*HZ, delta, total);
++
++ vxi->cvirt.load_last = now;
++out:
++ atomic_inc(&vxi->cvirt.load_updates);
++ spin_unlock_irqrestore(&vxi->cvirt.load_lock, flags);
++}
++
++
++/*
++ * Commands to do_syslog:
++ *
++ * 0 -- Close the log. Currently a NOP.
++ * 1 -- Open the log. Currently a NOP.
++ * 2 -- Read from the log.
++ * 3 -- Read all messages remaining in the ring buffer.
++ * 4 -- Read and clear all messages remaining in the ring buffer
++ * 5 -- Clear ring buffer.
++ * 6 -- Disable printk's to console
++ * 7 -- Enable printk's to console
++ * 8 -- Set level of messages printed to console
++ * 9 -- Return number of unread characters in the log buffer
++ * 10 -- Return size of the log buffer
++ */
++int vx_do_syslog(int type, char __user *buf, int len)
++{
++ int error = 0;
++ int do_clear = 0;
++ struct vx_info *vxi = current_vx_info();
++ struct _vx_syslog *log;
++
++ if (!vxi)
++ return -EINVAL;
++ log = &vxi->cvirt.syslog;
++
++ switch (type) {
++ case 0: /* Close log */
++ case 1: /* Open log */
++ break;
++ case 2: /* Read from log */
++ error = wait_event_interruptible(log->log_wait,
++ (log->log_start - log->log_end));
++ if (error)
++ break;
++ spin_lock_irq(&log->logbuf_lock);
++ spin_unlock_irq(&log->logbuf_lock);
++ break;
++ case 4: /* Read/clear last kernel messages */
++ do_clear = 1;
++ /* fall through */
++ case 3: /* Read last kernel messages */
++ return 0;
++
++ case 5: /* Clear ring buffer */
++ return 0;
++
++ case 6: /* Disable logging to console */
++ case 7: /* Enable logging to console */
++ case 8: /* Set level of messages printed to console */
++ break;
++
++ case 9: /* Number of chars in the log buffer */
++ return 0;
++ case 10: /* Size of the log buffer */
++ return 0;
++ default:
++ error = -EINVAL;
++ break;
++ }
++ return error;
++}
++
++
++/* virtual host info names */
++
++static char *vx_vhi_name(struct vx_info *vxi, int id)
++{
++ struct nsproxy *nsproxy;
++ struct uts_namespace *uts;
++
++ if (id == VHIN_CONTEXT)
++ return vxi->vx_name;
++
++ nsproxy = vxi->space[0].vx_nsproxy;
++ if (!nsproxy)
++ return NULL;
++
++ uts = nsproxy->uts_ns;
++ if (!uts)
++ return NULL;
++
++ switch (id) {
++ case VHIN_SYSNAME:
++ return uts->name.sysname;
++ case VHIN_NODENAME:
++ return uts->name.nodename;
++ case VHIN_RELEASE:
++ return uts->name.release;
++ case VHIN_VERSION:
++ return uts->name.version;
++ case VHIN_MACHINE:
++ return uts->name.machine;
++ case VHIN_DOMAINNAME:
++ return uts->name.domainname;
++ default:
++ return NULL;
++ }
++ return NULL;
++}
++
++int vc_set_vhi_name(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_vhi_name_v0 vc_data;
++ char *name;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ name = vx_vhi_name(vxi, vc_data.field);
++ if (!name)
++ return -EINVAL;
++
++ memcpy(name, vc_data.name, 65);
++ return 0;
++}
++
++int vc_get_vhi_name(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_vhi_name_v0 vc_data;
++ char *name;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ name = vx_vhi_name(vxi, vc_data.field);
++ if (!name)
++ return -EINVAL;
++
++ memcpy(vc_data.name, name, 65);
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++int vc_virt_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_virt_stat_v0 vc_data;
++ struct _vx_cvirt *cvirt = &vxi->cvirt;
++ struct timespec uptime;
++
++ do_posix_clock_monotonic_gettime(&uptime);
++ set_normalized_timespec(&uptime,
++ uptime.tv_sec - cvirt->bias_uptime.tv_sec,
++ uptime.tv_nsec - cvirt->bias_uptime.tv_nsec);
++
++ vc_data.offset = timespec_to_ns(&cvirt->bias_ts);
++ vc_data.uptime = timespec_to_ns(&uptime);
++ vc_data.nr_threads = atomic_read(&cvirt->nr_threads);
++ vc_data.nr_running = atomic_read(&cvirt->nr_running);
++ vc_data.nr_uninterruptible = atomic_read(&cvirt->nr_uninterruptible);
++ vc_data.nr_onhold = atomic_read(&cvirt->nr_onhold);
++ vc_data.nr_forks = atomic_read(&cvirt->total_forks);
++ vc_data.load[0] = cvirt->load[0];
++ vc_data.load[1] = cvirt->load[1];
++ vc_data.load[2] = cvirt->load[2];
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++#ifdef CONFIG_VSERVER_VTIME
++
++/* virtualized time base */
++
++void vx_adjust_timespec(struct timespec *ts)
++{
++ struct vx_info *vxi;
++
++ if (!vx_flags(VXF_VIRT_TIME, 0))
++ return;
++
++ vxi = current_vx_info();
++ ts->tv_sec += vxi->cvirt.bias_ts.tv_sec;
++ ts->tv_nsec += vxi->cvirt.bias_ts.tv_nsec;
++
++ if (ts->tv_nsec >= NSEC_PER_SEC) {
++ ts->tv_sec++;
++ ts->tv_nsec -= NSEC_PER_SEC;
++ } else if (ts->tv_nsec < 0) {
++ ts->tv_sec--;
++ ts->tv_nsec += NSEC_PER_SEC;
++ }
++}
++
++int vx_settimeofday(const struct timespec *ts)
++{
++ struct timespec ats, delta;
++ struct vx_info *vxi;
++
++ if (!vx_flags(VXF_VIRT_TIME, 0))
++ return do_settimeofday(ts);
++
++ getnstimeofday(&ats);
++ delta = timespec_sub(*ts, ats);
++
++ vxi = current_vx_info();
++ vxi->cvirt.bias_ts = timespec_add(vxi->cvirt.bias_ts, delta);
++ return 0;
++}
++
++#endif
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cvirt_init.h linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt_init.h
+--- linux-3.7.10/kernel/vserver/cvirt_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt_init.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,70 @@
++
++
++extern uint64_t vx_idle_jiffies(void);
++
++static inline void vx_info_init_cvirt(struct _vx_cvirt *cvirt)
++{
++ uint64_t idle_jiffies = vx_idle_jiffies();
++ uint64_t nsuptime;
++
++ do_posix_clock_monotonic_gettime(&cvirt->bias_uptime);
++ nsuptime = (unsigned long long)cvirt->bias_uptime.tv_sec
++ * NSEC_PER_SEC + cvirt->bias_uptime.tv_nsec;
++ cvirt->bias_clock = nsec_to_clock_t(nsuptime);
++ cvirt->bias_ts.tv_sec = 0;
++ cvirt->bias_ts.tv_nsec = 0;
++
++ jiffies_to_timespec(idle_jiffies, &cvirt->bias_idle);
++ atomic_set(&cvirt->nr_threads, 0);
++ atomic_set(&cvirt->nr_running, 0);
++ atomic_set(&cvirt->nr_uninterruptible, 0);
++ atomic_set(&cvirt->nr_onhold, 0);
++
++ spin_lock_init(&cvirt->load_lock);
++ cvirt->load_last = jiffies;
++ atomic_set(&cvirt->load_updates, 0);
++ cvirt->load[0] = 0;
++ cvirt->load[1] = 0;
++ cvirt->load[2] = 0;
++ atomic_set(&cvirt->total_forks, 0);
++
++ spin_lock_init(&cvirt->syslog.logbuf_lock);
++ init_waitqueue_head(&cvirt->syslog.log_wait);
++ cvirt->syslog.log_start = 0;
++ cvirt->syslog.log_end = 0;
++ cvirt->syslog.con_start = 0;
++ cvirt->syslog.logged_chars = 0;
++}
++
++static inline
++void vx_info_init_cvirt_pc(struct _vx_cvirt_pc *cvirt_pc, int cpu)
++{
++ // cvirt_pc->cpustat = { 0 };
++}
++
++static inline void vx_info_exit_cvirt(struct _vx_cvirt *cvirt)
++{
++#ifdef CONFIG_VSERVER_WARN
++ int value;
++#endif
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_threads)),
++ "!!! cvirt: %p[nr_threads] = %d on exit.",
++ cvirt, value);
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_running)),
++ "!!! cvirt: %p[nr_running] = %d on exit.",
++ cvirt, value);
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_uninterruptible)),
++ "!!! cvirt: %p[nr_uninterruptible] = %d on exit.",
++ cvirt, value);
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_onhold)),
++ "!!! cvirt: %p[nr_onhold] = %d on exit.",
++ cvirt, value);
++ return;
++}
++
++static inline
++void vx_info_exit_cvirt_pc(struct _vx_cvirt_pc *cvirt_pc, int cpu)
++{
++ return;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cvirt_proc.h linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt_proc.h
+--- linux-3.7.10/kernel/vserver/cvirt_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt_proc.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,123 @@
++#ifndef _VX_CVIRT_PROC_H
++#define _VX_CVIRT_PROC_H
++
++#include <linux/nsproxy.h>
++#include <linux/mnt_namespace.h>
++#include <linux/ipc_namespace.h>
++#include <linux/utsname.h>
++#include <linux/ipc.h>
++
++extern int vx_info_mnt_namespace(struct mnt_namespace *, char *);
++
++static inline
++int vx_info_proc_nsproxy(struct nsproxy *nsproxy, char *buffer)
++{
++ struct mnt_namespace *ns;
++ struct uts_namespace *uts;
++ struct ipc_namespace *ipc;
++ int length = 0;
++
++ if (!nsproxy)
++ goto out;
++
++ length += sprintf(buffer + length,
++ "NSProxy:\t%p [%p,%p,%p]\n",
++ nsproxy, nsproxy->mnt_ns,
++ nsproxy->uts_ns, nsproxy->ipc_ns);
++
++ ns = nsproxy->mnt_ns;
++ if (!ns)
++ goto skip_ns;
++
++ length += vx_info_mnt_namespace(ns, buffer + length);
++
++skip_ns:
++
++ uts = nsproxy->uts_ns;
++ if (!uts)
++ goto skip_uts;
++
++ length += sprintf(buffer + length,
++ "SysName:\t%.*s\n"
++ "NodeName:\t%.*s\n"
++ "Release:\t%.*s\n"
++ "Version:\t%.*s\n"
++ "Machine:\t%.*s\n"
++ "DomainName:\t%.*s\n",
++ __NEW_UTS_LEN, uts->name.sysname,
++ __NEW_UTS_LEN, uts->name.nodename,
++ __NEW_UTS_LEN, uts->name.release,
++ __NEW_UTS_LEN, uts->name.version,
++ __NEW_UTS_LEN, uts->name.machine,
++ __NEW_UTS_LEN, uts->name.domainname);
++skip_uts:
++
++ ipc = nsproxy->ipc_ns;
++ if (!ipc)
++ goto skip_ipc;
++
++ length += sprintf(buffer + length,
++ "SEMS:\t\t%d %d %d %d %d\n"
++ "MSG:\t\t%d %d %d\n"
++ "SHM:\t\t%lu %lu %d %d\n",
++ ipc->sem_ctls[0], ipc->sem_ctls[1],
++ ipc->sem_ctls[2], ipc->sem_ctls[3],
++ ipc->used_sems,
++ ipc->msg_ctlmax, ipc->msg_ctlmnb, ipc->msg_ctlmni,
++ (unsigned long)ipc->shm_ctlmax,
++ (unsigned long)ipc->shm_ctlall,
++ ipc->shm_ctlmni, ipc->shm_tot);
++skip_ipc:
++out:
++ return length;
++}
++
++
++#include <linux/sched.h>
++
++#define LOAD_INT(x) ((x) >> FSHIFT)
++#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1 - 1)) * 100)
++
++static inline
++int vx_info_proc_cvirt(struct _vx_cvirt *cvirt, char *buffer)
++{
++ int length = 0;
++ int a, b, c;
++
++ length += sprintf(buffer + length,
++ "BiasUptime:\t%lu.%02lu\n",
++ (unsigned long)cvirt->bias_uptime.tv_sec,
++ (cvirt->bias_uptime.tv_nsec / (NSEC_PER_SEC / 100)));
++
++ a = cvirt->load[0] + (FIXED_1 / 200);
++ b = cvirt->load[1] + (FIXED_1 / 200);
++ c = cvirt->load[2] + (FIXED_1 / 200);
++ length += sprintf(buffer + length,
++ "nr_threads:\t%d\n"
++ "nr_running:\t%d\n"
++ "nr_unintr:\t%d\n"
++ "nr_onhold:\t%d\n"
++ "load_updates:\t%d\n"
++ "loadavg:\t%d.%02d %d.%02d %d.%02d\n"
++ "total_forks:\t%d\n",
++ atomic_read(&cvirt->nr_threads),
++ atomic_read(&cvirt->nr_running),
++ atomic_read(&cvirt->nr_uninterruptible),
++ atomic_read(&cvirt->nr_onhold),
++ atomic_read(&cvirt->load_updates),
++ LOAD_INT(a), LOAD_FRAC(a),
++ LOAD_INT(b), LOAD_FRAC(b),
++ LOAD_INT(c), LOAD_FRAC(c),
++ atomic_read(&cvirt->total_forks));
++ return length;
++}
++
++static inline
++int vx_info_proc_cvirt_pc(struct _vx_cvirt_pc *cvirt_pc,
++ char *buffer, int cpu)
++{
++ int length = 0;
++ return length;
++}
++
++#endif /* _VX_CVIRT_PROC_H */
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/debug.c linux-3.7.10-vs2.3.5.6/kernel/vserver/debug.c
+--- linux-3.7.10/kernel/vserver/debug.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/debug.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,32 @@
++/*
++ * kernel/vserver/debug.c
++ *
++ * Copyright (C) 2005-2007 Herbert Pötzl
++ *
++ * V0.01 vx_info dump support
++ *
++ */
++
++#include <linux/module.h>
++
++#include <linux/vserver/context.h>
++
++
++void dump_vx_info(struct vx_info *vxi, int level)
++{
++ printk("vx_info %p[#%d, %d.%d, %4x]\n", vxi, vxi->vx_id,
++ atomic_read(&vxi->vx_usecnt),
++ atomic_read(&vxi->vx_tasks),
++ vxi->vx_state);
++ if (level > 0) {
++ __dump_vx_limit(&vxi->limit);
++ __dump_vx_sched(&vxi->sched);
++ __dump_vx_cvirt(&vxi->cvirt);
++ __dump_vx_cacct(&vxi->cacct);
++ }
++ printk("---\n");
++}
++
++
++EXPORT_SYMBOL_GPL(dump_vx_info);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/device.c linux-3.7.10-vs2.3.5.6/kernel/vserver/device.c
+--- linux-3.7.10/kernel/vserver/device.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/device.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,443 @@
++/*
++ * linux/kernel/vserver/device.c
++ *
++ * Linux-VServer: Device Support
++ *
++ * Copyright (C) 2006 Herbert Pötzl
++ * Copyright (C) 2007 Daniel Hokka Zakrisson
++ *
++ * V0.01 device mapping basics
++ * V0.02 added defaults
++ *
++ */
++
++#include <linux/slab.h>
++#include <linux/rcupdate.h>
++#include <linux/fs.h>
++#include <linux/namei.h>
++#include <linux/hash.h>
++
++#include <asm/errno.h>
++#include <asm/uaccess.h>
++#include <linux/vserver/base.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/context.h>
++#include <linux/vserver/device.h>
++#include <linux/vserver/device_cmd.h>
++
++
++#define DMAP_HASH_BITS 4
++
++
++struct vs_mapping {
++ union {
++ struct hlist_node hlist;
++ struct list_head list;
++ } u;
++#define dm_hlist u.hlist
++#define dm_list u.list
++ xid_t xid;
++ dev_t device;
++ struct vx_dmap_target target;
++};
++
++
++static struct hlist_head dmap_main_hash[1 << DMAP_HASH_BITS];
++
++static DEFINE_SPINLOCK(dmap_main_hash_lock);
++
++static struct vx_dmap_target dmap_defaults[2] = {
++ { .flags = DATTR_OPEN },
++ { .flags = DATTR_OPEN },
++};
++
++
++struct kmem_cache *dmap_cachep __read_mostly;
++
++int __init dmap_cache_init(void)
++{
++ dmap_cachep = kmem_cache_create("dmap_cache",
++ sizeof(struct vs_mapping), 0,
++ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
++ return 0;
++}
++
++__initcall(dmap_cache_init);
++
++
++static inline unsigned int __hashval(dev_t dev, int bits)
++{
++ return hash_long((unsigned long)dev, bits);
++}
++
++
++/* __hash_mapping()
++ * add the mapping to the hash table
++ */
++static inline void __hash_mapping(struct vx_info *vxi, struct vs_mapping *vdm)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ struct hlist_head *head, *hash = dmap_main_hash;
++ int device = vdm->device;
++
++ spin_lock(hash_lock);
++ vxdprintk(VXD_CBIT(misc, 8), "__hash_mapping: %p[#%d] %08x:%08x",
++ vxi, vxi ? vxi->vx_id : 0, device, vdm->target.target);
++
++ head = &hash[__hashval(device, DMAP_HASH_BITS)];
++ hlist_add_head(&vdm->dm_hlist, head);
++ spin_unlock(hash_lock);
++}
++
++
++static inline int __mode_to_default(umode_t mode)
++{
++ switch (mode) {
++ case S_IFBLK:
++ return 0;
++ case S_IFCHR:
++ return 1;
++ default:
++ BUG();
++ }
++}
++
++
++/* __set_default()
++ * set a default
++ */
++static inline void __set_default(struct vx_info *vxi, umode_t mode,
++ struct vx_dmap_target *vdmt)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ spin_lock(hash_lock);
++
++ if (vxi)
++ vxi->dmap.targets[__mode_to_default(mode)] = *vdmt;
++ else
++ dmap_defaults[__mode_to_default(mode)] = *vdmt;
++
++
++ spin_unlock(hash_lock);
++
++ vxdprintk(VXD_CBIT(misc, 8), "__set_default: %p[#%u] %08x %04x",
++ vxi, vxi ? vxi->vx_id : 0, vdmt->target, vdmt->flags);
++}
++
++
++/* __remove_default()
++ * remove a default
++ */
++static inline int __remove_default(struct vx_info *vxi, umode_t mode)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ spin_lock(hash_lock);
++
++ if (vxi)
++ vxi->dmap.targets[__mode_to_default(mode)].flags = 0;
++ else /* remove == reset */
++ dmap_defaults[__mode_to_default(mode)].flags = DATTR_OPEN | mode;
++
++ spin_unlock(hash_lock);
++ return 0;
++}
++
++
++/* __find_mapping()
++ * find a mapping in the hash table
++ *
++ * caller must hold hash_lock
++ */
++static inline int __find_mapping(xid_t xid, dev_t device, umode_t mode,
++ struct vs_mapping **local, struct vs_mapping **global)
++{
++ struct hlist_head *hash = dmap_main_hash;
++ struct hlist_head *head = &hash[__hashval(device, DMAP_HASH_BITS)];
++ struct hlist_node *pos;
++ struct vs_mapping *vdm;
++
++ *local = NULL;
++ if (global)
++ *global = NULL;
++
++ hlist_for_each(pos, head) {
++ vdm = hlist_entry(pos, struct vs_mapping, dm_hlist);
++
++ if ((vdm->device == device) &&
++ !((vdm->target.flags ^ mode) & S_IFMT)) {
++ if (vdm->xid == xid) {
++ *local = vdm;
++ return 1;
++ } else if (global && vdm->xid == 0)
++ *global = vdm;
++ }
++ }
++
++ if (global && *global)
++ return 0;
++ else
++ return -ENOENT;
++}
++
++
++/* __lookup_mapping()
++ * find a mapping and store the result in target and flags
++ */
++static inline int __lookup_mapping(struct vx_info *vxi,
++ dev_t device, dev_t *target, int *flags, umode_t mode)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ struct vs_mapping *vdm, *global;
++ struct vx_dmap_target *vdmt;
++ int ret = 0;
++ xid_t xid = vxi->vx_id;
++ int index;
++
++ spin_lock(hash_lock);
++ if (__find_mapping(xid, device, mode, &vdm, &global) > 0) {
++ ret = 1;
++ vdmt = &vdm->target;
++ goto found;
++ }
++
++ index = __mode_to_default(mode);
++ if (vxi && vxi->dmap.targets[index].flags) {
++ ret = 2;
++ vdmt = &vxi->dmap.targets[index];
++ } else if (global) {
++ ret = 3;
++ vdmt = &global->target;
++ goto found;
++ } else {
++ ret = 4;
++ vdmt = &dmap_defaults[index];
++ }
++
++found:
++ if (target && (vdmt->flags & DATTR_REMAP))
++ *target = vdmt->target;
++ else if (target)
++ *target = device;
++ if (flags)
++ *flags = vdmt->flags;
++
++ spin_unlock(hash_lock);
++
++ return ret;
++}
++
++
++/* __remove_mapping()
++ * remove a mapping from the hash table
++ */
++static inline int __remove_mapping(struct vx_info *vxi, dev_t device,
++ umode_t mode)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ struct vs_mapping *vdm = NULL;
++ int ret = 0;
++
++ spin_lock(hash_lock);
++
++ ret = __find_mapping((vxi ? vxi->vx_id : 0), device, mode, &vdm,
++ NULL);
++ vxdprintk(VXD_CBIT(misc, 8), "__remove_mapping: %p[#%d] %08x %04x",
++ vxi, vxi ? vxi->vx_id : 0, device, mode);
++ if (ret < 0)
++ goto out;
++ hlist_del(&vdm->dm_hlist);
++
++out:
++ spin_unlock(hash_lock);
++ if (vdm)
++ kmem_cache_free(dmap_cachep, vdm);
++ return ret;
++}
++
++
++
++int vs_map_device(struct vx_info *vxi,
++ dev_t device, dev_t *target, umode_t mode)
++{
++ int ret, flags = DATTR_MASK;
++
++ if (!vxi) {
++ if (target)
++ *target = device;
++ goto out;
++ }
++ ret = __lookup_mapping(vxi, device, target, &flags, mode);
++ vxdprintk(VXD_CBIT(misc, 8), "vs_map_device: %08x target: %08x flags: %04x mode: %04x mapped=%d",
++ device, target ? *target : 0, flags, mode, ret);
++out:
++ return (flags & DATTR_MASK);
++}
++
++
++
++static int do_set_mapping(struct vx_info *vxi,
++ dev_t device, dev_t target, int flags, umode_t mode)
++{
++ if (device) {
++ struct vs_mapping *new;
++
++ new = kmem_cache_alloc(dmap_cachep, GFP_KERNEL);
++ if (!new)
++ return -ENOMEM;
++
++ INIT_HLIST_NODE(&new->dm_hlist);
++ new->device = device;
++ new->target.target = target;
++ new->target.flags = flags | mode;
++ new->xid = (vxi ? vxi->vx_id : 0);
++
++ vxdprintk(VXD_CBIT(misc, 8), "do_set_mapping: %08x target: %08x flags: %04x", device, target, flags);
++ __hash_mapping(vxi, new);
++ } else {
++ struct vx_dmap_target new = {
++ .target = target,
++ .flags = flags | mode,
++ };
++ __set_default(vxi, mode, &new);
++ }
++ return 0;
++}
++
++
++static int do_unset_mapping(struct vx_info *vxi,
++ dev_t device, dev_t target, int flags, umode_t mode)
++{
++ int ret = -EINVAL;
++
++ if (device) {
++ ret = __remove_mapping(vxi, device, mode);
++ if (ret < 0)
++ goto out;
++ } else {
++ ret = __remove_default(vxi, mode);
++ if (ret < 0)
++ goto out;
++ }
++
++out:
++ return ret;
++}
++
++
++static inline int __user_device(const char __user *name, dev_t *dev,
++ umode_t *mode)
++{
++ struct nameidata nd;
++ int ret;
++
++ if (!name) {
++ *dev = 0;
++ return 0;
++ }
++ ret = user_lpath(name, &nd.path);
++ if (ret)
++ return ret;
++ if (nd.path.dentry->d_inode) {
++ *dev = nd.path.dentry->d_inode->i_rdev;
++ *mode = nd.path.dentry->d_inode->i_mode;
++ }
++ path_put(&nd.path);
++ return 0;
++}
++
++static inline int __mapping_mode(dev_t device, dev_t target,
++ umode_t device_mode, umode_t target_mode, umode_t *mode)
++{
++ if (device)
++ *mode = device_mode & S_IFMT;
++ else if (target)
++ *mode = target_mode & S_IFMT;
++ else
++ return -EINVAL;
++
++ /* if both given, device and target mode have to match */
++ if (device && target &&
++ ((device_mode ^ target_mode) & S_IFMT))
++ return -EINVAL;
++ return 0;
++}
++
++
++static inline int do_mapping(struct vx_info *vxi, const char __user *device_path,
++ const char __user *target_path, int flags, int set)
++{
++ dev_t device = ~0, target = ~0;
++ umode_t device_mode = 0, target_mode = 0, mode;
++ int ret;
++
++ ret = __user_device(device_path, &device, &device_mode);
++ if (ret)
++ return ret;
++ ret = __user_device(target_path, &target, &target_mode);
++ if (ret)
++ return ret;
++
++ ret = __mapping_mode(device, target,
++ device_mode, target_mode, &mode);
++ if (ret)
++ return ret;
++
++ if (set)
++ return do_set_mapping(vxi, device, target,
++ flags, mode);
++ else
++ return do_unset_mapping(vxi, device, target,
++ flags, mode);
++}
++
++
++int vc_set_mapping(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, vc_data.device, vc_data.target,
++ vc_data.flags, 1);
++}
++
++int vc_unset_mapping(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, vc_data.device, vc_data.target,
++ vc_data.flags, 0);
++}
++
++
++#ifdef CONFIG_COMPAT
++
++int vc_set_mapping_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, compat_ptr(vc_data.device_ptr),
++ compat_ptr(vc_data.target_ptr), vc_data.flags, 1);
++}
++
++int vc_unset_mapping_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, compat_ptr(vc_data.device_ptr),
++ compat_ptr(vc_data.target_ptr), vc_data.flags, 0);
++}
++
++#endif /* CONFIG_COMPAT */
++
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/dlimit.c linux-3.7.10-vs2.3.5.6/kernel/vserver/dlimit.c
+--- linux-3.7.10/kernel/vserver/dlimit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/dlimit.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,531 @@
++/*
++ * linux/kernel/vserver/dlimit.c
++ *
++ * Virtual Server: Context Disk Limits
++ *
++ * Copyright (C) 2004-2009 Herbert Pötzl
++ *
++ * V0.01 initial version
++ * V0.02 compat32 splitup
++ * V0.03 extended interface
++ *
++ */
++
++#include <linux/statfs.h>
++#include <linux/sched.h>
++#include <linux/namei.h>
++#include <linux/vs_tag.h>
++#include <linux/vs_dlimit.h>
++#include <linux/vserver/dlimit_cmd.h>
++#include <linux/slab.h>
++// #include <linux/gfp.h>
++
++#include <asm/uaccess.h>
++
++/* __alloc_dl_info()
++
++ * allocate an initialized dl_info struct
++ * doesn't make it visible (hash) */
++
++static struct dl_info *__alloc_dl_info(struct super_block *sb, tag_t tag)
++{
++ struct dl_info *new = NULL;
++
++ vxdprintk(VXD_CBIT(dlim, 5),
++ "alloc_dl_info(%p,%d)*", sb, tag);
++
++ /* would this benefit from a slab cache? */
++ new = kmalloc(sizeof(struct dl_info), GFP_KERNEL);
++ if (!new)
++ return 0;
++
++ memset(new, 0, sizeof(struct dl_info));
++ new->dl_tag = tag;
++ new->dl_sb = sb;
++ // INIT_RCU_HEAD(&new->dl_rcu);
++ INIT_HLIST_NODE(&new->dl_hlist);
++ spin_lock_init(&new->dl_lock);
++ atomic_set(&new->dl_refcnt, 0);
++ atomic_set(&new->dl_usecnt, 0);
++
++ /* rest of init goes here */
++
++ vxdprintk(VXD_CBIT(dlim, 4),
++ "alloc_dl_info(%p,%d) = %p", sb, tag, new);
++ return new;
++}
++
++/* __dealloc_dl_info()
++
++ * final disposal of dl_info */
++
++static void __dealloc_dl_info(struct dl_info *dli)
++{
++ vxdprintk(VXD_CBIT(dlim, 4),
++ "dealloc_dl_info(%p)", dli);
++
++ dli->dl_hlist.next = LIST_POISON1;
++ dli->dl_tag = -1;
++ dli->dl_sb = 0;
++
++ BUG_ON(atomic_read(&dli->dl_usecnt));
++ BUG_ON(atomic_read(&dli->dl_refcnt));
++
++ kfree(dli);
++}
++
++
++/* hash table for dl_info hash */
++
++#define DL_HASH_SIZE 13
++
++struct hlist_head dl_info_hash[DL_HASH_SIZE];
++
++static DEFINE_SPINLOCK(dl_info_hash_lock);
++
++
++static inline unsigned int __hashval(struct super_block *sb, tag_t tag)
++{
++ return ((tag ^ (unsigned long)sb) % DL_HASH_SIZE);
++}
++
++
++
++/* __hash_dl_info()
++
++ * add the dli to the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __hash_dl_info(struct dl_info *dli)
++{
++ struct hlist_head *head;
++
++ vxdprintk(VXD_CBIT(dlim, 6),
++ "__hash_dl_info: %p[#%d]", dli, dli->dl_tag);
++ get_dl_info(dli);
++ head = &dl_info_hash[__hashval(dli->dl_sb, dli->dl_tag)];
++ hlist_add_head_rcu(&dli->dl_hlist, head);
++}
++
++/* __unhash_dl_info()
++
++ * remove the dli from the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __unhash_dl_info(struct dl_info *dli)
++{
++ vxdprintk(VXD_CBIT(dlim, 6),
++ "__unhash_dl_info: %p[#%d]", dli, dli->dl_tag);
++ hlist_del_rcu(&dli->dl_hlist);
++ put_dl_info(dli);
++}
++
++
++/* __lookup_dl_info()
++
++ * requires the rcu_read_lock()
++ * doesn't increment the dl_refcnt */
++
++static inline struct dl_info *__lookup_dl_info(struct super_block *sb, tag_t tag)
++{
++ struct hlist_head *head = &dl_info_hash[__hashval(sb, tag)];
++ struct hlist_node *pos;
++ struct dl_info *dli;
++
++ hlist_for_each_entry_rcu(dli, pos, head, dl_hlist) {
++
++ if (dli->dl_tag == tag && dli->dl_sb == sb) {
++ return dli;
++ }
++ }
++ return NULL;
++}
++
++
++struct dl_info *locate_dl_info(struct super_block *sb, tag_t tag)
++{
++ struct dl_info *dli;
++
++ rcu_read_lock();
++ dli = get_dl_info(__lookup_dl_info(sb, tag));
++ vxdprintk(VXD_CBIT(dlim, 7),
++ "locate_dl_info(%p,#%d) = %p", sb, tag, dli);
++ rcu_read_unlock();
++ return dli;
++}
++
++void rcu_free_dl_info(struct rcu_head *head)
++{
++ struct dl_info *dli = container_of(head, struct dl_info, dl_rcu);
++ int usecnt, refcnt;
++
++ BUG_ON(!dli || !head);
++
++ usecnt = atomic_read(&dli->dl_usecnt);
++ BUG_ON(usecnt < 0);
++
++ refcnt = atomic_read(&dli->dl_refcnt);
++ BUG_ON(refcnt < 0);
++
++ vxdprintk(VXD_CBIT(dlim, 3),
++ "rcu_free_dl_info(%p)", dli);
++ if (!usecnt)
++ __dealloc_dl_info(dli);
++ else
++ printk("!!! rcu didn't free\n");
++}
++
++
++
++
++static int do_addrem_dlimit(uint32_t id, const char __user *name,
++ uint32_t flags, int add)
++{
++ struct path path;
++ int ret;
++
++ ret = user_lpath(name, &path);
++ if (!ret) {
++ struct super_block *sb;
++ struct dl_info *dli;
++
++ ret = -EINVAL;
++ if (!path.dentry->d_inode)
++ goto out_release;
++ if (!(sb = path.dentry->d_inode->i_sb))
++ goto out_release;
++
++ if (add) {
++ dli = __alloc_dl_info(sb, id);
++ spin_lock(&dl_info_hash_lock);
++
++ ret = -EEXIST;
++ if (__lookup_dl_info(sb, id))
++ goto out_unlock;
++ __hash_dl_info(dli);
++ dli = NULL;
++ } else {
++ spin_lock(&dl_info_hash_lock);
++ dli = __lookup_dl_info(sb, id);
++
++ ret = -ESRCH;
++ if (!dli)
++ goto out_unlock;
++ __unhash_dl_info(dli);
++ }
++ ret = 0;
++ out_unlock:
++ spin_unlock(&dl_info_hash_lock);
++ if (add && dli)
++ __dealloc_dl_info(dli);
++ out_release:
++ path_put(&path);
++ }
++ return ret;
++}
++
++int vc_add_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id, vc_data.name, vc_data.flags, 1);
++}
++
++int vc_rem_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id, vc_data.name, vc_data.flags, 0);
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_add_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id,
++ compat_ptr(vc_data.name_ptr), vc_data.flags, 1);
++}
++
++int vc_rem_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id,
++ compat_ptr(vc_data.name_ptr), vc_data.flags, 0);
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++static inline
++int do_set_dlimit(uint32_t id, const char __user *name,
++ uint32_t space_used, uint32_t space_total,
++ uint32_t inodes_used, uint32_t inodes_total,
++ uint32_t reserved, uint32_t flags)
++{
++ struct path path;
++ int ret;
++
++ ret = user_lpath(name, &path);
++ if (!ret) {
++ struct super_block *sb;
++ struct dl_info *dli;
++
++ ret = -EINVAL;
++ if (!path.dentry->d_inode)
++ goto out_release;
++ if (!(sb = path.dentry->d_inode->i_sb))
++ goto out_release;
++
++ /* sanity checks */
++ if ((reserved != CDLIM_KEEP &&
++ reserved > 100) ||
++ (inodes_used != CDLIM_KEEP &&
++ inodes_used > inodes_total) ||
++ (space_used != CDLIM_KEEP &&
++ space_used > space_total))
++ goto out_release;
++
++ ret = -ESRCH;
++ dli = locate_dl_info(sb, id);
++ if (!dli)
++ goto out_release;
++
++ spin_lock(&dli->dl_lock);
++
++ if (inodes_used != CDLIM_KEEP)
++ dli->dl_inodes_used = inodes_used;
++ if (inodes_total != CDLIM_KEEP)
++ dli->dl_inodes_total = inodes_total;
++ if (space_used != CDLIM_KEEP)
++ dli->dl_space_used = dlimit_space_32to64(
++ space_used, flags, DLIMS_USED);
++
++ if (space_total == CDLIM_INFINITY)
++ dli->dl_space_total = DLIM_INFINITY;
++ else if (space_total != CDLIM_KEEP)
++ dli->dl_space_total = dlimit_space_32to64(
++ space_total, flags, DLIMS_TOTAL);
++
++ if (reserved != CDLIM_KEEP)
++ dli->dl_nrlmult = (1 << 10) * (100 - reserved) / 100;
++
++ spin_unlock(&dli->dl_lock);
++
++ put_dl_info(dli);
++ ret = 0;
++
++ out_release:
++ path_put(&path);
++ }
++ return ret;
++}
++
++int vc_set_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_dlimit(id, vc_data.name,
++ vc_data.space_used, vc_data.space_total,
++ vc_data.inodes_used, vc_data.inodes_total,
++ vc_data.reserved, vc_data.flags);
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_set_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_dlimit(id, compat_ptr(vc_data.name_ptr),
++ vc_data.space_used, vc_data.space_total,
++ vc_data.inodes_used, vc_data.inodes_total,
++ vc_data.reserved, vc_data.flags);
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++static inline
++int do_get_dlimit(uint32_t id, const char __user *name,
++ uint32_t *space_used, uint32_t *space_total,
++ uint32_t *inodes_used, uint32_t *inodes_total,
++ uint32_t *reserved, uint32_t *flags)
++{
++ struct path path;
++ int ret;
++
++ ret = user_lpath(name, &path);
++ if (!ret) {
++ struct super_block *sb;
++ struct dl_info *dli;
++
++ ret = -EINVAL;
++ if (!path.dentry->d_inode)
++ goto out_release;
++ if (!(sb = path.dentry->d_inode->i_sb))
++ goto out_release;
++
++ ret = -ESRCH;
++ dli = locate_dl_info(sb, id);
++ if (!dli)
++ goto out_release;
++
++ spin_lock(&dli->dl_lock);
++ *inodes_used = dli->dl_inodes_used;
++ *inodes_total = dli->dl_inodes_total;
++
++ *space_used = dlimit_space_64to32(
++ dli->dl_space_used, flags, DLIMS_USED);
++
++ if (dli->dl_space_total == DLIM_INFINITY)
++ *space_total = CDLIM_INFINITY;
++ else
++ *space_total = dlimit_space_64to32(
++ dli->dl_space_total, flags, DLIMS_TOTAL);
++
++ *reserved = 100 - ((dli->dl_nrlmult * 100 + 512) >> 10);
++ spin_unlock(&dli->dl_lock);
++
++ put_dl_info(dli);
++ ret = -EFAULT;
++
++ ret = 0;
++ out_release:
++ path_put(&path);
++ }
++ return ret;
++}
++
++
++int vc_get_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_dlimit(id, vc_data.name,
++ &vc_data.space_used, &vc_data.space_total,
++ &vc_data.inodes_used, &vc_data.inodes_total,
++ &vc_data.reserved, &vc_data.flags);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_get_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0_x32 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_dlimit(id, compat_ptr(vc_data.name_ptr),
++ &vc_data.space_used, &vc_data.space_total,
++ &vc_data.inodes_used, &vc_data.inodes_total,
++ &vc_data.reserved, &vc_data.flags);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++void vx_vsi_statfs(struct super_block *sb, struct kstatfs *buf)
++{
++ struct dl_info *dli;
++ __u64 blimit, bfree, bavail;
++ __u32 ifree;
++
++ dli = locate_dl_info(sb, dx_current_tag());
++ if (!dli)
++ return;
++
++ spin_lock(&dli->dl_lock);
++ if (dli->dl_inodes_total == (unsigned long)DLIM_INFINITY)
++ goto no_ilim;
++
++ /* reduce max inodes available to limit */
++ if (buf->f_files > dli->dl_inodes_total)
++ buf->f_files = dli->dl_inodes_total;
++
++ ifree = dli->dl_inodes_total - dli->dl_inodes_used;
++ /* reduce free inodes to min */
++ if (ifree < buf->f_ffree)
++ buf->f_ffree = ifree;
++
++no_ilim:
++ if (dli->dl_space_total == DLIM_INFINITY)
++ goto no_blim;
++
++ blimit = dli->dl_space_total >> sb->s_blocksize_bits;
++
++ if (dli->dl_space_total < dli->dl_space_used)
++ bfree = 0;
++ else
++ bfree = (dli->dl_space_total - dli->dl_space_used)
++ >> sb->s_blocksize_bits;
++
++ bavail = ((dli->dl_space_total >> 10) * dli->dl_nrlmult);
++ if (bavail < dli->dl_space_used)
++ bavail = 0;
++ else
++ bavail = (bavail - dli->dl_space_used)
++ >> sb->s_blocksize_bits;
++
++ /* reduce max space available to limit */
++ if (buf->f_blocks > blimit)
++ buf->f_blocks = blimit;
++
++ /* reduce free space to min */
++ if (bfree < buf->f_bfree)
++ buf->f_bfree = bfree;
++
++ /* reduce avail space to min */
++ if (bavail < buf->f_bavail)
++ buf->f_bavail = bavail;
++
++no_blim:
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++
++ return;
++}
++
++#include <linux/module.h>
++
++EXPORT_SYMBOL_GPL(locate_dl_info);
++EXPORT_SYMBOL_GPL(rcu_free_dl_info);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/helper.c linux-3.7.10-vs2.3.5.6/kernel/vserver/helper.c
+--- linux-3.7.10/kernel/vserver/helper.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/helper.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,229 @@
++/*
++ * linux/kernel/vserver/helper.c
++ *
++ * Virtual Context Support
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic helper
++ *
++ */
++
++#include <linux/kmod.h>
++#include <linux/reboot.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vserver/signal.h>
++
++
++char vshelper_path[255] = "/sbin/vshelper";
++
++static int vshelper_init(struct subprocess_info *info, struct cred *new_cred)
++{
++ current->flags &= ~PF_THREAD_BOUND;
++ return 0;
++}
++
++static int do_vshelper(char *name, char *argv[], char *envp[], int sync)
++{
++ int ret;
++
++ if ((ret = call_usermodehelper_fns(name, argv, envp,
++ sync ? UMH_WAIT_PROC : UMH_WAIT_EXEC,
++ vshelper_init, NULL, NULL))) {
++ printk(KERN_WARNING "%s: (%s %s) returned %s with %d\n",
++ name, argv[1], argv[2],
++ sync ? "sync" : "async", ret);
++ }
++ vxdprintk(VXD_CBIT(switch, 4),
++ "%s: (%s %s) returned %s with %d",
++ name, argv[1], argv[2], sync ? "sync" : "async", ret);
++ return ret;
++}
++
++/*
++ * vshelper path is set via /proc/sys
++ * invoked by vserver sys_reboot(), with
++ * the following arguments
++ *
++ * argv [0] = vshelper_path;
++ * argv [1] = action: "restart", "halt", "poweroff", ...
++ * argv [2] = context identifier
++ *
++ * envp [*] = type-specific parameters
++ */
++
++long vs_reboot_helper(struct vx_info *vxi, int cmd, void __user *arg)
++{
++ char id_buf[8], cmd_buf[16];
++ char uid_buf[16], pid_buf[16];
++ int ret;
++
++ char *argv[] = {vshelper_path, NULL, id_buf, 0};
++ char *envp[] = {"HOME=/", "TERM=linux",
++ "PATH=/sbin:/usr/sbin:/bin:/usr/bin",
++ uid_buf, pid_buf, cmd_buf, 0};
++
++ if (vx_info_state(vxi, VXS_HELPER))
++ return -EAGAIN;
++ vxi->vx_state |= VXS_HELPER;
++
++ snprintf(id_buf, sizeof(id_buf), "%d", vxi->vx_id);
++
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
++ snprintf(uid_buf, sizeof(uid_buf), "VS_UID=%d", current_uid());
++ snprintf(pid_buf, sizeof(pid_buf), "VS_PID=%d", current->pid);
++
++ switch (cmd) {
++ case LINUX_REBOOT_CMD_RESTART:
++ argv[1] = "restart";
++ break;
++
++ case LINUX_REBOOT_CMD_HALT:
++ argv[1] = "halt";
++ break;
++
++ case LINUX_REBOOT_CMD_POWER_OFF:
++ argv[1] = "poweroff";
++ break;
++
++ case LINUX_REBOOT_CMD_SW_SUSPEND:
++ argv[1] = "swsusp";
++ break;
++
++ case LINUX_REBOOT_CMD_OOM:
++ argv[1] = "oom";
++ break;
++
++ default:
++ vxi->vx_state &= ~VXS_HELPER;
++ return 0;
++ }
++
++ ret = do_vshelper(vshelper_path, argv, envp, 0);
++ vxi->vx_state &= ~VXS_HELPER;
++ __wakeup_vx_info(vxi);
++ return (ret) ? -EPERM : 0;
++}
++
++
++long vs_reboot(unsigned int cmd, void __user *arg)
++{
++ struct vx_info *vxi = current_vx_info();
++ long ret = 0;
++
++ vxdprintk(VXD_CBIT(misc, 5),
++ "vs_reboot(%p[#%d],%u)",
++ vxi, vxi ? vxi->vx_id : 0, cmd);
++
++ ret = vs_reboot_helper(vxi, cmd, arg);
++ if (ret)
++ return ret;
++
++ vxi->reboot_cmd = cmd;
++ if (vx_info_flags(vxi, VXF_REBOOT_KILL, 0)) {
++ switch (cmd) {
++ case LINUX_REBOOT_CMD_RESTART:
++ case LINUX_REBOOT_CMD_HALT:
++ case LINUX_REBOOT_CMD_POWER_OFF:
++ vx_info_kill(vxi, 0, SIGKILL);
++ vx_info_kill(vxi, 1, SIGKILL);
++ default:
++ break;
++ }
++ }
++ return 0;
++}
++
++long vs_oom_action(unsigned int cmd)
++{
++ struct vx_info *vxi = current_vx_info();
++ long ret = 0;
++
++ vxdprintk(VXD_CBIT(misc, 5),
++ "vs_oom_action(%p[#%d],%u)",
++ vxi, vxi ? vxi->vx_id : 0, cmd);
++
++ ret = vs_reboot_helper(vxi, cmd, NULL);
++ if (ret)
++ return ret;
++
++ vxi->reboot_cmd = cmd;
++ if (vx_info_flags(vxi, VXF_REBOOT_KILL, 0)) {
++ vx_info_kill(vxi, 0, SIGKILL);
++ vx_info_kill(vxi, 1, SIGKILL);
++ }
++ return 0;
++}
++
++/*
++ * argv [0] = vshelper_path;
++ * argv [1] = action: "startup", "shutdown"
++ * argv [2] = context identifier
++ *
++ * envp [*] = type-specific parameters
++ */
++
++long vs_state_change(struct vx_info *vxi, unsigned int cmd)
++{
++ char id_buf[8], cmd_buf[16];
++ char *argv[] = {vshelper_path, NULL, id_buf, 0};
++ char *envp[] = {"HOME=/", "TERM=linux",
++ "PATH=/sbin:/usr/sbin:/bin:/usr/bin", cmd_buf, 0};
++
++ if (!vx_info_flags(vxi, VXF_SC_HELPER, 0))
++ return 0;
++
++ snprintf(id_buf, sizeof(id_buf), "%d", vxi->vx_id);
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
++
++ switch (cmd) {
++ case VSC_STARTUP:
++ argv[1] = "startup";
++ break;
++ case VSC_SHUTDOWN:
++ argv[1] = "shutdown";
++ break;
++ default:
++ return 0;
++ }
++
++ return do_vshelper(vshelper_path, argv, envp, 1);
++}
++
++
++/*
++ * argv [0] = vshelper_path;
++ * argv [1] = action: "netup", "netdown"
++ * argv [2] = context identifier
++ *
++ * envp [*] = type-specific parameters
++ */
++
++long vs_net_change(struct nx_info *nxi, unsigned int cmd)
++{
++ char id_buf[8], cmd_buf[16];
++ char *argv[] = {vshelper_path, NULL, id_buf, 0};
++ char *envp[] = {"HOME=/", "TERM=linux",
++ "PATH=/sbin:/usr/sbin:/bin:/usr/bin", cmd_buf, 0};
++
++ if (!nx_info_flags(nxi, NXF_SC_HELPER, 0))
++ return 0;
++
++ snprintf(id_buf, sizeof(id_buf), "%d", nxi->nx_id);
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
++
++ switch (cmd) {
++ case VSC_NETUP:
++ argv[1] = "netup";
++ break;
++ case VSC_NETDOWN:
++ argv[1] = "netdown";
++ break;
++ default:
++ return 0;
++ }
++
++ return do_vshelper(vshelper_path, argv, envp, 1);
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/history.c linux-3.7.10-vs2.3.5.6/kernel/vserver/history.c
+--- linux-3.7.10/kernel/vserver/history.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/history.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,258 @@
++/*
++ * kernel/vserver/history.c
++ *
++ * Virtual Context History Backtrace
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ * V0.02 hash/unhash and trace
++ * V0.03 preemption fixes
++ *
++ */
++
++#include <linux/module.h>
++#include <asm/uaccess.h>
++
++#include <linux/vserver/context.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/debug_cmd.h>
++#include <linux/vserver/history.h>
++
++
++#ifdef CONFIG_VSERVER_HISTORY
++#define VXH_SIZE CONFIG_VSERVER_HISTORY_SIZE
++#else
++#define VXH_SIZE 64
++#endif
++
++struct _vx_history {
++ unsigned int counter;
++
++ struct _vx_hist_entry entry[VXH_SIZE + 1];
++};
++
++
++DEFINE_PER_CPU(struct _vx_history, vx_history_buffer);
++
++unsigned volatile int vxh_active = 1;
++
++static atomic_t sequence = ATOMIC_INIT(0);
++
++
++/* vxh_advance()
++
++ * requires disabled preemption */
++
++struct _vx_hist_entry *vxh_advance(void *loc)
++{
++ unsigned int cpu = smp_processor_id();
++ struct _vx_history *hist = &per_cpu(vx_history_buffer, cpu);
++ struct _vx_hist_entry *entry;
++ unsigned int index;
++
++ index = vxh_active ? (hist->counter++ % VXH_SIZE) : VXH_SIZE;
++ entry = &hist->entry[index];
++
++ entry->seq = atomic_inc_return(&sequence);
++ entry->loc = loc;
++ return entry;
++}
++
++EXPORT_SYMBOL_GPL(vxh_advance);
++
++
++#define VXH_LOC_FMTS "(#%04x,*%d):%p"
++
++#define VXH_LOC_ARGS(e) (e)->seq, cpu, (e)->loc
++
++
++#define VXH_VXI_FMTS "%p[#%d,%d.%d]"
++
++#define VXH_VXI_ARGS(e) (e)->vxi.ptr, \
++ (e)->vxi.ptr ? (e)->vxi.xid : 0, \
++ (e)->vxi.ptr ? (e)->vxi.usecnt : 0, \
++ (e)->vxi.ptr ? (e)->vxi.tasks : 0
++
++void vxh_dump_entry(struct _vx_hist_entry *e, unsigned cpu)
++{
++ switch (e->type) {
++ case VXH_THROW_OOPS:
++ printk( VXH_LOC_FMTS " oops \n", VXH_LOC_ARGS(e));
++ break;
++
++ case VXH_GET_VX_INFO:
++ case VXH_PUT_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_GET_VX_INFO) ? "get" : "put",
++ VXH_VXI_ARGS(e));
++ break;
++
++ case VXH_INIT_VX_INFO:
++ case VXH_SET_VX_INFO:
++ case VXH_CLR_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS " @%p\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_INIT_VX_INFO) ? "init" :
++ ((e->type == VXH_SET_VX_INFO) ? "set" : "clr"),
++ VXH_VXI_ARGS(e), e->sc.data);
++ break;
++
++ case VXH_CLAIM_VX_INFO:
++ case VXH_RELEASE_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS " @%p\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_CLAIM_VX_INFO) ? "claim" : "release",
++ VXH_VXI_ARGS(e), e->sc.data);
++ break;
++
++ case VXH_ALLOC_VX_INFO:
++ case VXH_DEALLOC_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_ALLOC_VX_INFO) ? "alloc" : "dealloc",
++ VXH_VXI_ARGS(e));
++ break;
++
++ case VXH_HASH_VX_INFO:
++ case VXH_UNHASH_VX_INFO:
++ printk( VXH_LOC_FMTS " __%s_vx_info " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_HASH_VX_INFO) ? "hash" : "unhash",
++ VXH_VXI_ARGS(e));
++ break;
++
++ case VXH_LOC_VX_INFO:
++ case VXH_LOOKUP_VX_INFO:
++ case VXH_CREATE_VX_INFO:
++ printk( VXH_LOC_FMTS " __%s_vx_info [#%d] -> " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_CREATE_VX_INFO) ? "create" :
++ ((e->type == VXH_LOC_VX_INFO) ? "loc" : "lookup"),
++ e->ll.arg, VXH_VXI_ARGS(e));
++ break;
++ }
++}
++
++static void __vxh_dump_history(void)
++{
++ unsigned int i, cpu;
++
++ printk("History:\tSEQ: %8x\tNR_CPUS: %d\n",
++ atomic_read(&sequence), NR_CPUS);
++
++ for (i = 0; i < VXH_SIZE; i++) {
++ for_each_online_cpu(cpu) {
++ struct _vx_history *hist =
++ &per_cpu(vx_history_buffer, cpu);
++ unsigned int index = (hist->counter - i) % VXH_SIZE;
++ struct _vx_hist_entry *entry = &hist->entry[index];
++
++ vxh_dump_entry(entry, cpu);
++ }
++ }
++}
++
++void vxh_dump_history(void)
++{
++ vxh_active = 0;
++#ifdef CONFIG_SMP
++ local_irq_enable();
++ smp_send_stop();
++ local_irq_disable();
++#endif
++ __vxh_dump_history();
++}
++
++
++/* vserver syscall commands below here */
++
++
++int vc_dump_history(uint32_t id)
++{
++ vxh_active = 0;
++ __vxh_dump_history();
++ vxh_active = 1;
++
++ return 0;
++}
++
++
++int do_read_history(struct __user _vx_hist_entry *data,
++ int cpu, uint32_t *index, uint32_t *count)
++{
++ int pos, ret = 0;
++ struct _vx_history *hist = &per_cpu(vx_history_buffer, cpu);
++ int end = hist->counter;
++ int start = end - VXH_SIZE + 2;
++ int idx = *index;
++
++ /* special case: get current pos */
++ if (!*count) {
++ *index = end;
++ return 0;
++ }
++
++ /* have we lost some data? */
++ if (idx < start)
++ idx = start;
++
++ for (pos = 0; (pos < *count) && (idx < end); pos++, idx++) {
++ struct _vx_hist_entry *entry =
++ &hist->entry[idx % VXH_SIZE];
++
++ /* send entry to userspace */
++ ret = copy_to_user(&data[pos], entry, sizeof(*entry));
++ if (ret)
++ break;
++ }
++ /* save new index and count */
++ *index = idx;
++ *count = pos;
++ return ret ? ret : (*index < end);
++}
++
++int vc_read_history(uint32_t id, void __user *data)
++{
++ struct vcmd_read_history_v0 vc_data;
++ int ret;
++
++ if (id >= NR_CPUS)
++ return -EINVAL;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_read_history((struct __user _vx_hist_entry *)vc_data.data,
++ id, &vc_data.index, &vc_data.count);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return ret;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_read_history_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_read_history_v0_x32 vc_data;
++ int ret;
++
++ if (id >= NR_CPUS)
++ return -EINVAL;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_read_history((struct __user _vx_hist_entry *)
++ compat_ptr(vc_data.data_ptr),
++ id, &vc_data.index, &vc_data.count);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return ret;
++}
++
++#endif /* CONFIG_COMPAT */
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/inet.c linux-3.7.10-vs2.3.5.6/kernel/vserver/inet.c
+--- linux-3.7.10/kernel/vserver/inet.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/inet.c 2013-02-05 01:41:48.000000000 +0000
+@@ -0,0 +1,236 @@
++
++#include <linux/in.h>
++#include <linux/inetdevice.h>
++#include <linux/export.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
++#include <linux/vserver/debug.h>
++#include <net/route.h>
++#include <net/addrconf.h>
++
++
++int nx_v4_addr_conflict(struct nx_info *nxi1, struct nx_info *nxi2)
++{
++ int ret = 0;
++
++ if (!nxi1 || !nxi2 || nxi1 == nxi2)
++ ret = 1;
++ else {
++ struct nx_addr_v4 *ptr;
++ unsigned long irqflags;
++
++ spin_lock_irqsave(&nxi1->addr_lock, irqflags);
++ for (ptr = &nxi1->v4; ptr; ptr = ptr->next) {
++ if (v4_nx_addr_in_nx_info(nxi2, ptr, -1)) {
++ ret = 1;
++ break;
++ }
++ }
++ spin_unlock_irqrestore(&nxi1->addr_lock, irqflags);
++ }
++
++ vxdprintk(VXD_CBIT(net, 2),
++ "nx_v4_addr_conflict(%p,%p): %d",
++ nxi1, nxi2, ret);
++
++ return ret;
++}
++
++
++#ifdef CONFIG_IPV6
++
++int nx_v6_addr_conflict(struct nx_info *nxi1, struct nx_info *nxi2)
++{
++ int ret = 0;
++
++ if (!nxi1 || !nxi2 || nxi1 == nxi2)
++ ret = 1;
++ else {
++ struct nx_addr_v6 *ptr;
++ unsigned long irqflags;
++
++ spin_lock_irqsave(&nxi1->addr_lock, irqflags);
++ for (ptr = &nxi1->v6; ptr; ptr = ptr->next) {
++ if (v6_nx_addr_in_nx_info(nxi2, ptr, -1)) {
++ ret = 1;
++ break;
++ }
++ }
++ spin_unlock_irqrestore(&nxi1->addr_lock, irqflags);
++ }
++
++ vxdprintk(VXD_CBIT(net, 2),
++ "nx_v6_addr_conflict(%p,%p): %d",
++ nxi1, nxi2, ret);
++
++ return ret;
++}
++
++#endif
++
++int v4_dev_in_nx_info(struct net_device *dev, struct nx_info *nxi)
++{
++ struct in_device *in_dev;
++ struct in_ifaddr **ifap;
++ struct in_ifaddr *ifa;
++ int ret = 0;
++
++ if (!dev)
++ goto out;
++ in_dev = in_dev_get(dev);
++ if (!in_dev)
++ goto out;
++
++ for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
++ ifap = &ifa->ifa_next) {
++ if (v4_addr_in_nx_info(nxi, ifa->ifa_local, NXA_MASK_SHOW)) {
++ ret = 1;
++ break;
++ }
++ }
++ in_dev_put(in_dev);
++out:
++ return ret;
++}
++
++
++#ifdef CONFIG_IPV6
++
++int v6_dev_in_nx_info(struct net_device *dev, struct nx_info *nxi)
++{
++ struct inet6_dev *in_dev;
++ struct inet6_ifaddr *ifa;
++ int ret = 0;
++
++ if (!dev)
++ goto out;
++ in_dev = in6_dev_get(dev);
++ if (!in_dev)
++ goto out;
++
++ // for (ifap = &in_dev->addr_list; (ifa = *ifap) != NULL;
++ list_for_each_entry(ifa, &in_dev->addr_list, if_list) {
++ if (v6_addr_in_nx_info(nxi, &ifa->addr, -1)) {
++ ret = 1;
++ break;
++ }
++ }
++ in6_dev_put(in_dev);
++out:
++ return ret;
++}
++
++#endif
++
++int dev_in_nx_info(struct net_device *dev, struct nx_info *nxi)
++{
++ int ret = 1;
++
++ if (!nxi)
++ goto out;
++ if (nxi->v4.type && v4_dev_in_nx_info(dev, nxi))
++ goto out;
++#ifdef CONFIG_IPV6
++ ret = 2;
++ if (nxi->v6.type && v6_dev_in_nx_info(dev, nxi))
++ goto out;
++#endif
++ ret = 0;
++out:
++ vxdprintk(VXD_CBIT(net, 3),
++ "dev_in_nx_info(%p,%p[#%d]) = %d",
++ dev, nxi, nxi ? nxi->nx_id : 0, ret);
++ return ret;
++}
++
++struct rtable *ip_v4_find_src(struct net *net, struct nx_info *nxi,
++ struct flowi4 *fl4)
++{
++ struct rtable *rt;
++
++ if (!nxi)
++ return NULL;
++
++ /* FIXME: handle lback only case */
++ if (!NX_IPV4(nxi))
++ return ERR_PTR(-EPERM);
++
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_v4_find_src(%p[#%u]) " NIPQUAD_FMT " -> " NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0,
++ NIPQUAD(fl4->saddr), NIPQUAD(fl4->daddr));
++
++ /* single IP is unconditional */
++ if (nx_info_flags(nxi, NXF_SINGLE_IP, 0) &&
++ (fl4->saddr == INADDR_ANY))
++ fl4->saddr = nxi->v4.ip[0].s_addr;
++
++ if (fl4->saddr == INADDR_ANY) {
++ struct nx_addr_v4 *ptr;
++ __be32 found = 0;
++
++ rt = __ip_route_output_key(net, fl4);
++ if (!IS_ERR(rt)) {
++ found = fl4->saddr;
++ ip_rt_put(rt);
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_v4_find_src(%p[#%u]) rok[%u]: " NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0, fl4->flowi4_oif, NIPQUAD(found));
++ if (v4_addr_in_nx_info(nxi, found, NXA_MASK_BIND))
++ goto found;
++ }
++
++ WARN_ON_ONCE(in_irq());
++ spin_lock(&nxi->addr_lock);
++ for (ptr = &nxi->v4; ptr; ptr = ptr->next) {
++ __be32 primary = ptr->ip[0].s_addr;
++ __be32 mask = ptr->mask.s_addr;
++ __be32 neta = primary & mask;
++
++ vxdprintk(VXD_CBIT(net, 4), "ip_v4_find_src(%p[#%u]) chk: "
++ NIPQUAD_FMT "/" NIPQUAD_FMT "/" NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0, NIPQUAD(primary),
++ NIPQUAD(mask), NIPQUAD(neta));
++ if ((found & mask) != neta)
++ continue;
++
++ fl4->saddr = primary;
++ rt = __ip_route_output_key(net, fl4);
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_v4_find_src(%p[#%u]) rok[%u]: " NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0, fl4->flowi4_oif, NIPQUAD(primary));
++ if (!IS_ERR(rt)) {
++ found = fl4->saddr;
++ ip_rt_put(rt);
++ if (found == primary)
++ goto found_unlock;
++ }
++ }
++ /* still no source ip? */
++ found = ipv4_is_loopback(fl4->daddr)
++ ? IPI_LOOPBACK : nxi->v4.ip[0].s_addr;
++ found_unlock:
++ spin_unlock(&nxi->addr_lock);
++ found:
++ /* assign src ip to flow */
++ fl4->saddr = found;
++
++ } else {
++ if (!v4_addr_in_nx_info(nxi, fl4->saddr, NXA_MASK_BIND))
++ return ERR_PTR(-EPERM);
++ }
++
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0)) {
++ if (ipv4_is_loopback(fl4->daddr))
++ fl4->daddr = nxi->v4_lback.s_addr;
++ if (ipv4_is_loopback(fl4->saddr))
++ fl4->saddr = nxi->v4_lback.s_addr;
++ } else if (ipv4_is_loopback(fl4->daddr) &&
++ !nx_info_flags(nxi, NXF_LBACK_ALLOW, 0))
++ return ERR_PTR(-EPERM);
++
++ return NULL;
++}
++
++EXPORT_SYMBOL_GPL(ip_v4_find_src);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/init.c linux-3.7.10-vs2.3.5.6/kernel/vserver/init.c
+--- linux-3.7.10/kernel/vserver/init.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/init.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,45 @@
++/*
++ * linux/kernel/init.c
++ *
++ * Virtual Server Init
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ *
++ */
++
++#include <linux/init.h>
++
++int vserver_register_sysctl(void);
++void vserver_unregister_sysctl(void);
++
++
++static int __init init_vserver(void)
++{
++ int ret = 0;
++
++#ifdef CONFIG_VSERVER_DEBUG
++ vserver_register_sysctl();
++#endif
++ return ret;
++}
++
++
++static void __exit exit_vserver(void)
++{
++
++#ifdef CONFIG_VSERVER_DEBUG
++ vserver_unregister_sysctl();
++#endif
++ return;
++}
++
++/* FIXME: GFP_ZONETYPES gone
++long vx_slab[GFP_ZONETYPES]; */
++long vx_area;
++
++
++module_init(init_vserver);
++module_exit(exit_vserver);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/inode.c linux-3.7.10-vs2.3.5.6/kernel/vserver/inode.c
+--- linux-3.7.10/kernel/vserver/inode.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,437 @@
++/*
++ * linux/kernel/vserver/inode.c
++ *
++ * Virtual Server: File System Support
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 separated from vcontext V0.05
++ * V0.02 moved to tag (instead of xid)
++ *
++ */
++
++#include <linux/tty.h>
++#include <linux/proc_fs.h>
++#include <linux/devpts_fs.h>
++#include <linux/fs.h>
++#include <linux/file.h>
++#include <linux/mount.h>
++#include <linux/parser.h>
++#include <linux/namei.h>
++#include <linux/vserver/inode.h>
++#include <linux/vserver/inode_cmd.h>
++#include <linux/vs_base.h>
++#include <linux/vs_tag.h>
++
++#include <asm/uaccess.h>
++
++
++static int __vc_get_iattr(struct inode *in, uint32_t *tag, uint32_t *flags, uint32_t *mask)
++{
++ struct proc_dir_entry *entry;
++
++ if (!in || !in->i_sb)
++ return -ESRCH;
++
++ *flags = IATTR_TAG
++ | (IS_IMMUTABLE(in) ? IATTR_IMMUTABLE : 0)
++ | (IS_IXUNLINK(in) ? IATTR_IXUNLINK : 0)
++ | (IS_BARRIER(in) ? IATTR_BARRIER : 0)
++ | (IS_COW(in) ? IATTR_COW : 0);
++ *mask = IATTR_IXUNLINK | IATTR_IMMUTABLE | IATTR_COW;
++
++ if (S_ISDIR(in->i_mode))
++ *mask |= IATTR_BARRIER;
++
++ if (IS_TAGGED(in)) {
++ *tag = i_tag_read(in);
++ *mask |= IATTR_TAG;
++ }
++
++ switch (in->i_sb->s_magic) {
++ case PROC_SUPER_MAGIC:
++ entry = PROC_I(in)->pde;
++
++ /* check for specific inodes? */
++ if (entry)
++ *mask |= IATTR_FLAGS;
++ if (entry)
++ *flags |= (entry->vx_flags & IATTR_FLAGS);
++ else
++ *flags |= (PROC_I(in)->vx_flags & IATTR_FLAGS);
++ break;
++
++ case DEVPTS_SUPER_MAGIC:
++ *tag = i_tag_read(in);
++ *mask |= IATTR_TAG;
++ break;
++
++ default:
++ break;
++ }
++ return 0;
++}
++
++int vc_get_iattr(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1 vc_data = { .tag = -1 };
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(vc_data.name, &path);
++ if (!ret) {
++ ret = __vc_get_iattr(path.dentry->d_inode,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_get_iattr_x32(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1_x32 vc_data = { .tag = -1 };
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(compat_ptr(vc_data.name_ptr), &path);
++ if (!ret) {
++ ret = __vc_get_iattr(path.dentry->d_inode,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++int vc_fget_iattr(uint32_t fd, void __user *data)
++{
++ struct file *filp;
++ struct vcmd_ctx_fiattr_v0 vc_data = { .tag = -1 };
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ filp = fget(fd);
++ if (!filp || !filp->f_dentry || !filp->f_dentry->d_inode)
++ return -EBADF;
++
++ ret = __vc_get_iattr(filp->f_dentry->d_inode,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++
++ fput(filp);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++
++static int __vc_set_iattr(struct dentry *de, uint32_t *tag, uint32_t *flags, uint32_t *mask)
++{
++ struct inode *in = de->d_inode;
++ int error = 0, is_proc = 0, has_tag = 0;
++ struct iattr attr = { 0 };
++
++ if (!in || !in->i_sb)
++ return -ESRCH;
++
++ is_proc = (in->i_sb->s_magic == PROC_SUPER_MAGIC);
++ if ((*mask & IATTR_FLAGS) && !is_proc)
++ return -EINVAL;
++
++ has_tag = IS_TAGGED(in) ||
++ (in->i_sb->s_magic == DEVPTS_SUPER_MAGIC);
++ if ((*mask & IATTR_TAG) && !has_tag)
++ return -EINVAL;
++
++ mutex_lock(&in->i_mutex);
++ if (*mask & IATTR_TAG) {
++ attr.ia_tag = *tag;
++ attr.ia_valid |= ATTR_TAG;
++ }
++
++ if (*mask & IATTR_FLAGS) {
++ struct proc_dir_entry *entry = PROC_I(in)->pde;
++ unsigned int iflags = PROC_I(in)->vx_flags;
++
++ iflags = (iflags & ~(*mask & IATTR_FLAGS))
++ | (*flags & IATTR_FLAGS);
++ PROC_I(in)->vx_flags = iflags;
++ if (entry)
++ entry->vx_flags = iflags;
++ }
++
++ if (*mask & (IATTR_IMMUTABLE | IATTR_IXUNLINK |
++ IATTR_BARRIER | IATTR_COW)) {
++ int iflags = in->i_flags;
++ int vflags = in->i_vflags;
++
++ if (*mask & IATTR_IMMUTABLE) {
++ if (*flags & IATTR_IMMUTABLE)
++ iflags |= S_IMMUTABLE;
++ else
++ iflags &= ~S_IMMUTABLE;
++ }
++ if (*mask & IATTR_IXUNLINK) {
++ if (*flags & IATTR_IXUNLINK)
++ iflags |= S_IXUNLINK;
++ else
++ iflags &= ~S_IXUNLINK;
++ }
++ if (S_ISDIR(in->i_mode) && (*mask & IATTR_BARRIER)) {
++ if (*flags & IATTR_BARRIER)
++ vflags |= V_BARRIER;
++ else
++ vflags &= ~V_BARRIER;
++ }
++ if (S_ISREG(in->i_mode) && (*mask & IATTR_COW)) {
++ if (*flags & IATTR_COW)
++ vflags |= V_COW;
++ else
++ vflags &= ~V_COW;
++ }
++ if (in->i_op && in->i_op->sync_flags) {
++ error = in->i_op->sync_flags(in, iflags, vflags);
++ if (error)
++ goto out;
++ }
++ }
++
++ if (attr.ia_valid) {
++ if (in->i_op && in->i_op->setattr)
++ error = in->i_op->setattr(de, &attr);
++ else {
++ error = inode_change_ok(in, &attr);
++ if (!error) {
++ setattr_copy(in, &attr);
++ mark_inode_dirty(in);
++ }
++ }
++ }
++
++out:
++ mutex_unlock(&in->i_mutex);
++ return error;
++}
++
++int vc_set_iattr(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1 vc_data;
++ int ret;
++
++ if (!capable(CAP_LINUX_IMMUTABLE))
++ return -EPERM;
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(vc_data.name, &path);
++ if (!ret) {
++ ret = __vc_set_iattr(path.dentry,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_set_iattr_x32(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1_x32 vc_data;
++ int ret;
++
++ if (!capable(CAP_LINUX_IMMUTABLE))
++ return -EPERM;
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(compat_ptr(vc_data.name_ptr), &path);
++ if (!ret) {
++ ret = __vc_set_iattr(path.dentry,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#endif /* CONFIG_COMPAT */
++
++int vc_fset_iattr(uint32_t fd, void __user *data)
++{
++ struct file *filp;
++ struct vcmd_ctx_fiattr_v0 vc_data;
++ int ret;
++
++ if (!capable(CAP_LINUX_IMMUTABLE))
++ return -EPERM;
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ filp = fget(fd);
++ if (!filp || !filp->f_dentry || !filp->f_dentry->d_inode)
++ return -EBADF;
++
++ ret = __vc_set_iattr(filp->f_dentry, &vc_data.tag,
++ &vc_data.flags, &vc_data.mask);
++
++ fput(filp);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return ret;
++}
++
++
++enum { Opt_notagcheck, Opt_tag, Opt_notag, Opt_tagid, Opt_err };
++
++static match_table_t tokens = {
++ {Opt_notagcheck, "notagcheck"},
++#ifdef CONFIG_PROPAGATE
++ {Opt_notag, "notag"},
++ {Opt_tag, "tag"},
++ {Opt_tagid, "tagid=%u"},
++#endif
++ {Opt_err, NULL}
++};
++
++
++static void __dx_parse_remove(char *string, char *opt)
++{
++ char *p = strstr(string, opt);
++ char *q = p;
++
++ if (p) {
++ while (*q != '\0' && *q != ',')
++ q++;
++ while (*q)
++ *p++ = *q++;
++ while (*p)
++ *p++ = '\0';
++ }
++}
++
++int dx_parse_tag(char *string, tag_t *tag, int remove, int *mnt_flags,
++ unsigned long *flags)
++{
++ int set = 0;
++ substring_t args[MAX_OPT_ARGS];
++ int token;
++ char *s, *p, *opts;
++#if defined(CONFIG_PROPAGATE) || defined(CONFIG_VSERVER_DEBUG)
++ int option = 0;
++#endif
++
++ if (!string)
++ return 0;
++ s = kstrdup(string, GFP_KERNEL | GFP_ATOMIC);
++ if (!s)
++ return 0;
++
++ opts = s;
++ while ((p = strsep(&opts, ",")) != NULL) {
++ token = match_token(p, tokens, args);
++
++ switch (token) {
++#ifdef CONFIG_PROPAGATE
++ case Opt_tag:
++ if (tag)
++ *tag = 0;
++ if (remove)
++ __dx_parse_remove(s, "tag");
++ *mnt_flags |= MNT_TAGID;
++ set |= MNT_TAGID;
++ break;
++ case Opt_notag:
++ if (remove)
++ __dx_parse_remove(s, "notag");
++ *mnt_flags |= MNT_NOTAG;
++ set |= MNT_NOTAG;
++ break;
++ case Opt_tagid:
++ if (tag && !match_int(args, &option))
++ *tag = option;
++ if (remove)
++ __dx_parse_remove(s, "tagid");
++ *mnt_flags |= MNT_TAGID;
++ set |= MNT_TAGID;
++ break;
++#endif /* CONFIG_PROPAGATE */
++ case Opt_notagcheck:
++ if (remove)
++ __dx_parse_remove(s, "notagcheck");
++ *flags |= MS_NOTAGCHECK;
++ set |= MS_NOTAGCHECK;
++ break;
++ }
++ vxdprintk(VXD_CBIT(tag, 7),
++ "dx_parse_tag(" VS_Q("%s") "): %d:#%d",
++ p, token, option);
++ }
++ if (set)
++ strcpy(string, s);
++ kfree(s);
++ return set;
++}
++
++#ifdef CONFIG_PROPAGATE
++
++void __dx_propagate_tag(struct nameidata *nd, struct inode *inode)
++{
++ tag_t new_tag = 0;
++ struct vfsmount *mnt;
++ int propagate;
++
++ if (!nd)
++ return;
++ mnt = nd->path.mnt;
++ if (!mnt)
++ return;
++
++ propagate = (mnt->mnt_flags & MNT_TAGID);
++ if (propagate)
++ new_tag = mnt->mnt_tag;
++
++ vxdprintk(VXD_CBIT(tag, 7),
++ "dx_propagate_tag(%p[#%lu.%d]): %d,%d",
++ inode, inode->i_ino, inode->i_tag,
++ new_tag, (propagate) ? 1 : 0);
++
++ if (propagate)
++ i_tag_write(inode, new_tag);
++}
++
++#include <linux/module.h>
++
++EXPORT_SYMBOL_GPL(__dx_propagate_tag);
++
++#endif /* CONFIG_PROPAGATE */
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/limit.c linux-3.7.10-vs2.3.5.6/kernel/vserver/limit.c
+--- linux-3.7.10/kernel/vserver/limit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/limit.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,345 @@
++/*
++ * linux/kernel/vserver/limit.c
++ *
++ * Virtual Server: Context Limits
++ *
++ * Copyright (C) 2004-2010 Herbert Pötzl
++ *
++ * V0.01 broken out from vcontext V0.05
++ * V0.02 changed vcmds to vxi arg
++ * V0.03 added memory cgroup support
++ *
++ */
++
++#include <linux/sched.h>
++#include <linux/module.h>
++#include <linux/memcontrol.h>
++#include <linux/res_counter.h>
++#include <linux/vs_limit.h>
++#include <linux/vserver/limit.h>
++#include <linux/vserver/limit_cmd.h>
++
++#include <asm/uaccess.h>
++
++
++const char *vlimit_name[NUM_LIMITS] = {
++ [RLIMIT_CPU] = "CPU",
++ [RLIMIT_NPROC] = "NPROC",
++ [RLIMIT_NOFILE] = "NOFILE",
++ [RLIMIT_LOCKS] = "LOCKS",
++ [RLIMIT_SIGPENDING] = "SIGP",
++ [RLIMIT_MSGQUEUE] = "MSGQ",
++
++ [VLIMIT_NSOCK] = "NSOCK",
++ [VLIMIT_OPENFD] = "OPENFD",
++ [VLIMIT_SHMEM] = "SHMEM",
++ [VLIMIT_DENTRY] = "DENTRY",
++};
++
++EXPORT_SYMBOL_GPL(vlimit_name);
++
++#define MASK_ENTRY(x) (1 << (x))
++
++const struct vcmd_ctx_rlimit_mask_v0 vlimit_mask = {
++ /* minimum */
++ 0
++ , /* softlimit */
++ 0
++ , /* maximum */
++ MASK_ENTRY( RLIMIT_NPROC ) |
++ MASK_ENTRY( RLIMIT_NOFILE ) |
++ MASK_ENTRY( RLIMIT_LOCKS ) |
++ MASK_ENTRY( RLIMIT_MSGQUEUE ) |
++
++ MASK_ENTRY( VLIMIT_NSOCK ) |
++ MASK_ENTRY( VLIMIT_OPENFD ) |
++ MASK_ENTRY( VLIMIT_SHMEM ) |
++ MASK_ENTRY( VLIMIT_DENTRY ) |
++ 0
++};
++ /* accounting only */
++uint32_t account_mask =
++ MASK_ENTRY( VLIMIT_SEMARY ) |
++ MASK_ENTRY( VLIMIT_NSEMS ) |
++ MASK_ENTRY( VLIMIT_MAPPED ) |
++ 0;
++
++
++static int is_valid_vlimit(int id)
++{
++ uint32_t mask = vlimit_mask.minimum |
++ vlimit_mask.softlimit | vlimit_mask.maximum;
++ return mask & (1 << id);
++}
++
++static int is_accounted_vlimit(int id)
++{
++ if (is_valid_vlimit(id))
++ return 1;
++ return account_mask & (1 << id);
++}
++
++
++static inline uint64_t vc_get_soft(struct vx_info *vxi, int id)
++{
++ rlim_t limit = __rlim_soft(&vxi->limit, id);
++ return VX_VLIM(limit);
++}
++
++static inline uint64_t vc_get_hard(struct vx_info *vxi, int id)
++{
++ rlim_t limit = __rlim_hard(&vxi->limit, id);
++ return VX_VLIM(limit);
++}
++
++static int do_get_rlimit(struct vx_info *vxi, uint32_t id,
++ uint64_t *minimum, uint64_t *softlimit, uint64_t *maximum)
++{
++ if (!is_valid_vlimit(id))
++ return -EINVAL;
++
++ if (minimum)
++ *minimum = CRLIM_UNSET;
++ if (softlimit)
++ *softlimit = vc_get_soft(vxi, id);
++ if (maximum)
++ *maximum = vc_get_hard(vxi, id);
++ return 0;
++}
++
++int vc_get_rlimit(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_rlimit(vxi, vc_data.id,
++ &vc_data.minimum, &vc_data.softlimit, &vc_data.maximum);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++static int do_set_rlimit(struct vx_info *vxi, uint32_t id,
++ uint64_t minimum, uint64_t softlimit, uint64_t maximum)
++{
++ if (!is_valid_vlimit(id))
++ return -EINVAL;
++
++ if (maximum != CRLIM_KEEP)
++ __rlim_hard(&vxi->limit, id) = VX_RLIM(maximum);
++ if (softlimit != CRLIM_KEEP)
++ __rlim_soft(&vxi->limit, id) = VX_RLIM(softlimit);
++
++ /* clamp soft limit */
++ if (__rlim_soft(&vxi->limit, id) > __rlim_hard(&vxi->limit, id))
++ __rlim_soft(&vxi->limit, id) = __rlim_hard(&vxi->limit, id);
++
++ return 0;
++}
++
++int vc_set_rlimit(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_rlimit(vxi, vc_data.id,
++ vc_data.minimum, vc_data.softlimit, vc_data.maximum);
++}
++
++#ifdef CONFIG_IA32_EMULATION
++
++int vc_set_rlimit_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_rlimit(vxi, vc_data.id,
++ vc_data.minimum, vc_data.softlimit, vc_data.maximum);
++}
++
++int vc_get_rlimit_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0_x32 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_rlimit(vxi, vc_data.id,
++ &vc_data.minimum, &vc_data.softlimit, &vc_data.maximum);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++#endif /* CONFIG_IA32_EMULATION */
++
++
++int vc_get_rlimit_mask(uint32_t id, void __user *data)
++{
++ if (copy_to_user(data, &vlimit_mask, sizeof(vlimit_mask)))
++ return -EFAULT;
++ return 0;
++}
++
++
++static inline void vx_reset_hits(struct _vx_limit *limit)
++{
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ atomic_set(&__rlim_lhit(limit, lim), 0);
++ }
++}
++
++int vc_reset_hits(struct vx_info *vxi, void __user *data)
++{
++ vx_reset_hits(&vxi->limit);
++ return 0;
++}
++
++static inline void vx_reset_minmax(struct _vx_limit *limit)
++{
++ rlim_t value;
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ value = __rlim_get(limit, lim);
++ __rlim_rmax(limit, lim) = value;
++ __rlim_rmin(limit, lim) = value;
++ }
++}
++
++int vc_reset_minmax(struct vx_info *vxi, void __user *data)
++{
++ vx_reset_minmax(&vxi->limit);
++ return 0;
++}
++
++
++int vc_rlimit_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_rlimit_stat_v0 vc_data;
++ struct _vx_limit *limit = &vxi->limit;
++ int id;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ id = vc_data.id;
++ if (!is_accounted_vlimit(id))
++ return -EINVAL;
++
++ vx_limit_fixup(limit, id);
++ vc_data.hits = atomic_read(&__rlim_lhit(limit, id));
++ vc_data.value = __rlim_get(limit, id);
++ vc_data.minimum = __rlim_rmin(limit, id);
++ vc_data.maximum = __rlim_rmax(limit, id);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++void vx_vsi_meminfo(struct sysinfo *val)
++{
++#ifdef CONFIG_MEMCG
++ struct mem_cgroup *mcg;
++ u64 res_limit, res_usage;
++
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ rcu_read_unlock();
++ if (!mcg)
++ goto out;
++
++ res_limit = mem_cgroup_res_read_u64(mcg, RES_LIMIT);
++ res_usage = mem_cgroup_res_read_u64(mcg, RES_USAGE);
++
++ if (res_limit != RESOURCE_MAX)
++ val->totalram = (res_limit >> PAGE_SHIFT);
++ val->freeram = val->totalram - (res_usage >> PAGE_SHIFT);
++ val->bufferram = 0;
++ val->totalhigh = 0;
++ val->freehigh = 0;
++out:
++#endif /* CONFIG_MEMCG */
++ return;
++}
++
++void vx_vsi_swapinfo(struct sysinfo *val)
++{
++#ifdef CONFIG_MEMCG
++#ifdef CONFIG_MEMCG_SWAP
++ struct mem_cgroup *mcg;
++ u64 res_limit, res_usage, memsw_limit, memsw_usage;
++ s64 swap_limit, swap_usage;
++
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ rcu_read_unlock();
++ if (!mcg)
++ goto out;
++
++ res_limit = mem_cgroup_res_read_u64(mcg, RES_LIMIT);
++ res_usage = mem_cgroup_res_read_u64(mcg, RES_USAGE);
++ memsw_limit = mem_cgroup_memsw_read_u64(mcg, RES_LIMIT);
++ memsw_usage = mem_cgroup_memsw_read_u64(mcg, RES_USAGE);
++
++ /* memory unlimited */
++ if (res_limit == RESOURCE_MAX)
++ goto out;
++
++ swap_limit = memsw_limit - res_limit;
++ /* we have a swap limit? */
++ if (memsw_limit != RESOURCE_MAX)
++ val->totalswap = swap_limit >> PAGE_SHIFT;
++
++ /* calculate swap part */
++ swap_usage = (memsw_usage > res_usage) ?
++ memsw_usage - res_usage : 0;
++
++ /* total shown minus usage gives free swap */
++ val->freeswap = (swap_usage < swap_limit) ?
++ val->totalswap - (swap_usage >> PAGE_SHIFT) : 0;
++out:
++#else /* !CONFIG_MEMCG_SWAP */
++ val->totalswap = 0;
++ val->freeswap = 0;
++#endif /* !CONFIG_MEMCG_SWAP */
++#endif /* CONFIG_MEMCG */
++ return;
++}
++
++long vx_vsi_cached(struct sysinfo *val)
++{
++ long cache = 0;
++#ifdef CONFIG_MEMCG
++ struct mem_cgroup *mcg;
++
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ rcu_read_unlock();
++ if (!mcg)
++ goto out;
++
++ cache = mem_cgroup_stat_read_cache(mcg);
++out:
++#endif
++ return cache;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/limit_init.h linux-3.7.10-vs2.3.5.6/kernel/vserver/limit_init.h
+--- linux-3.7.10/kernel/vserver/limit_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/limit_init.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,31 @@
++
++
++static inline void vx_info_init_limit(struct _vx_limit *limit)
++{
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ __rlim_soft(limit, lim) = RLIM_INFINITY;
++ __rlim_hard(limit, lim) = RLIM_INFINITY;
++ __rlim_set(limit, lim, 0);
++ atomic_set(&__rlim_lhit(limit, lim), 0);
++ __rlim_rmin(limit, lim) = 0;
++ __rlim_rmax(limit, lim) = 0;
++ }
++}
++
++static inline void vx_info_exit_limit(struct _vx_limit *limit)
++{
++ rlim_t value;
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ if ((1 << lim) & VLIM_NOCHECK)
++ continue;
++ value = __rlim_get(limit, lim);
++ vxwprintk_xid(value,
++ "!!! limit: %p[%s,%d] = %ld on exit.",
++ limit, vlimit_name[lim], lim, (long)value);
++ }
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/limit_proc.h linux-3.7.10-vs2.3.5.6/kernel/vserver/limit_proc.h
+--- linux-3.7.10/kernel/vserver/limit_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/limit_proc.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,57 @@
++#ifndef _VX_LIMIT_PROC_H
++#define _VX_LIMIT_PROC_H
++
++#include <linux/vserver/limit_int.h>
++
++
++#define VX_LIMIT_FMT ":\t%8ld\t%8ld/%8ld\t%8lld/%8lld\t%6d\n"
++#define VX_LIMIT_TOP \
++ "Limit\t current\t min/max\t\t soft/hard\t\thits\n"
++
++#define VX_LIMIT_ARG(r) \
++ (unsigned long)__rlim_get(limit, r), \
++ (unsigned long)__rlim_rmin(limit, r), \
++ (unsigned long)__rlim_rmax(limit, r), \
++ VX_VLIM(__rlim_soft(limit, r)), \
++ VX_VLIM(__rlim_hard(limit, r)), \
++ atomic_read(&__rlim_lhit(limit, r))
++
++static inline int vx_info_proc_limit(struct _vx_limit *limit, char *buffer)
++{
++ vx_limit_fixup(limit, -1);
++ return sprintf(buffer, VX_LIMIT_TOP
++ "PROC" VX_LIMIT_FMT
++ "VM" VX_LIMIT_FMT
++ "VML" VX_LIMIT_FMT
++ "RSS" VX_LIMIT_FMT
++ "ANON" VX_LIMIT_FMT
++ "RMAP" VX_LIMIT_FMT
++ "FILES" VX_LIMIT_FMT
++ "OFD" VX_LIMIT_FMT
++ "LOCKS" VX_LIMIT_FMT
++ "SOCK" VX_LIMIT_FMT
++ "MSGQ" VX_LIMIT_FMT
++ "SHM" VX_LIMIT_FMT
++ "SEMA" VX_LIMIT_FMT
++ "SEMS" VX_LIMIT_FMT
++ "DENT" VX_LIMIT_FMT,
++ VX_LIMIT_ARG(RLIMIT_NPROC),
++ VX_LIMIT_ARG(RLIMIT_AS),
++ VX_LIMIT_ARG(RLIMIT_MEMLOCK),
++ VX_LIMIT_ARG(RLIMIT_RSS),
++ VX_LIMIT_ARG(VLIMIT_ANON),
++ VX_LIMIT_ARG(VLIMIT_MAPPED),
++ VX_LIMIT_ARG(RLIMIT_NOFILE),
++ VX_LIMIT_ARG(VLIMIT_OPENFD),
++ VX_LIMIT_ARG(RLIMIT_LOCKS),
++ VX_LIMIT_ARG(VLIMIT_NSOCK),
++ VX_LIMIT_ARG(RLIMIT_MSGQUEUE),
++ VX_LIMIT_ARG(VLIMIT_SHMEM),
++ VX_LIMIT_ARG(VLIMIT_SEMARY),
++ VX_LIMIT_ARG(VLIMIT_NSEMS),
++ VX_LIMIT_ARG(VLIMIT_DENTRY));
++}
++
++#endif /* _VX_LIMIT_PROC_H */
++
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/network.c linux-3.7.10-vs2.3.5.6/kernel/vserver/network.c
+--- linux-3.7.10/kernel/vserver/network.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/network.c 2013-01-04 23:27:50.000000000 +0000
+@@ -0,0 +1,1053 @@
++/*
++ * linux/kernel/vserver/network.c
++ *
++ * Virtual Server: Network Support
++ *
++ * Copyright (C) 2003-2007 Herbert Pötzl
++ *
++ * V0.01 broken out from vcontext V0.05
++ * V0.02 cleaned up implementation
++ * V0.03 added equiv nx commands
++ * V0.04 switch to RCU based hash
++ * V0.05 and back to locking again
++ * V0.06 changed vcmds to nxi arg
++ * V0.07 have __create claim() the nxi
++ *
++ */
++
++#include <linux/err.h>
++#include <linux/slab.h>
++#include <linux/rcupdate.h>
++#include <net/ipv6.h>
++
++#include <linux/vs_network.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/network_cmd.h>
++
++
++atomic_t nx_global_ctotal = ATOMIC_INIT(0);
++atomic_t nx_global_cactive = ATOMIC_INIT(0);
++
++static struct kmem_cache *nx_addr_v4_cachep = NULL;
++static struct kmem_cache *nx_addr_v6_cachep = NULL;
++
++
++static int __init init_network(void)
++{
++ nx_addr_v4_cachep = kmem_cache_create("nx_v4_addr_cache",
++ sizeof(struct nx_addr_v4), 0,
++ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
++ nx_addr_v6_cachep = kmem_cache_create("nx_v6_addr_cache",
++ sizeof(struct nx_addr_v6), 0,
++ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
++ return 0;
++}
++
++
++/* __alloc_nx_addr_v4() */
++
++static inline struct nx_addr_v4 *__alloc_nx_addr_v4(void)
++{
++ struct nx_addr_v4 *nxa = kmem_cache_alloc(
++ nx_addr_v4_cachep, GFP_KERNEL);
++
++ if (!IS_ERR(nxa))
++ memset(nxa, 0, sizeof(*nxa));
++ return nxa;
++}
++
++/* __dealloc_nx_addr_v4() */
++
++static inline void __dealloc_nx_addr_v4(struct nx_addr_v4 *nxa)
++{
++ kmem_cache_free(nx_addr_v4_cachep, nxa);
++}
++
++/* __dealloc_nx_addr_v4_all() */
++
++static inline void __dealloc_nx_addr_v4_all(struct nx_addr_v4 *nxa)
++{
++ while (nxa) {
++ struct nx_addr_v4 *next = nxa->next;
++
++ __dealloc_nx_addr_v4(nxa);
++ nxa = next;
++ }
++}
++
++
++#ifdef CONFIG_IPV6
++
++/* __alloc_nx_addr_v6() */
++
++static inline struct nx_addr_v6 *__alloc_nx_addr_v6(void)
++{
++ struct nx_addr_v6 *nxa = kmem_cache_alloc(
++ nx_addr_v6_cachep, GFP_KERNEL);
++
++ if (!IS_ERR(nxa))
++ memset(nxa, 0, sizeof(*nxa));
++ return nxa;
++}
++
++/* __dealloc_nx_addr_v6() */
++
++static inline void __dealloc_nx_addr_v6(struct nx_addr_v6 *nxa)
++{
++ kmem_cache_free(nx_addr_v6_cachep, nxa);
++}
++
++/* __dealloc_nx_addr_v6_all() */
++
++static inline void __dealloc_nx_addr_v6_all(struct nx_addr_v6 *nxa)
++{
++ while (nxa) {
++ struct nx_addr_v6 *next = nxa->next;
++
++ __dealloc_nx_addr_v6(nxa);
++ nxa = next;
++ }
++}
++
++#endif /* CONFIG_IPV6 */
++
++/* __alloc_nx_info()
++
++ * allocate an initialized nx_info struct
++ * doesn't make it visible (hash) */
++
++static struct nx_info *__alloc_nx_info(nid_t nid)
++{
++ struct nx_info *new = NULL;
++
++ vxdprintk(VXD_CBIT(nid, 1), "alloc_nx_info(%d)*", nid);
++
++ /* would this benefit from a slab cache? */
++ new = kmalloc(sizeof(struct nx_info), GFP_KERNEL);
++ if (!new)
++ return 0;
++
++ memset(new, 0, sizeof(struct nx_info));
++ new->nx_id = nid;
++ INIT_HLIST_NODE(&new->nx_hlist);
++ atomic_set(&new->nx_usecnt, 0);
++ atomic_set(&new->nx_tasks, 0);
++ spin_lock_init(&new->addr_lock);
++ new->nx_state = 0;
++
++ new->nx_flags = NXF_INIT_SET;
++
++ /* rest of init goes here */
++
++ new->v4_lback.s_addr = htonl(INADDR_LOOPBACK);
++ new->v4_bcast.s_addr = htonl(INADDR_BROADCAST);
++
++ vxdprintk(VXD_CBIT(nid, 0),
++ "alloc_nx_info(%d) = %p", nid, new);
++ atomic_inc(&nx_global_ctotal);
++ return new;
++}
++
++/* __dealloc_nx_info()
++
++ * final disposal of nx_info */
++
++static void __dealloc_nx_info(struct nx_info *nxi)
++{
++ vxdprintk(VXD_CBIT(nid, 0),
++ "dealloc_nx_info(%p)", nxi);
++
++ nxi->nx_hlist.next = LIST_POISON1;
++ nxi->nx_id = -1;
++
++ BUG_ON(atomic_read(&nxi->nx_usecnt));
++ BUG_ON(atomic_read(&nxi->nx_tasks));
++
++ __dealloc_nx_addr_v4_all(nxi->v4.next);
++#ifdef CONFIG_IPV6
++ __dealloc_nx_addr_v6_all(nxi->v6.next);
++#endif
++
++ nxi->nx_state |= NXS_RELEASED;
++ kfree(nxi);
++ atomic_dec(&nx_global_ctotal);
++}
++
++static void __shutdown_nx_info(struct nx_info *nxi)
++{
++ nxi->nx_state |= NXS_SHUTDOWN;
++ vs_net_change(nxi, VSC_NETDOWN);
++}
++
++/* exported stuff */
++
++void free_nx_info(struct nx_info *nxi)
++{
++ /* context shutdown is mandatory */
++ BUG_ON(nxi->nx_state != NXS_SHUTDOWN);
++
++ /* context must not be hashed */
++ BUG_ON(nxi->nx_state & NXS_HASHED);
++
++ BUG_ON(atomic_read(&nxi->nx_usecnt));
++ BUG_ON(atomic_read(&nxi->nx_tasks));
++
++ __dealloc_nx_info(nxi);
++}
++
++
++void __nx_set_lback(struct nx_info *nxi)
++{
++ int nid = nxi->nx_id;
++ __be32 lback = htonl(INADDR_LOOPBACK ^ ((nid & 0xFFFF) << 8));
++
++ nxi->v4_lback.s_addr = lback;
++}
++
++extern int __nx_inet_add_lback(__be32 addr);
++extern int __nx_inet_del_lback(__be32 addr);
++
++
++/* hash table for nx_info hash */
++
++#define NX_HASH_SIZE 13
++
++struct hlist_head nx_info_hash[NX_HASH_SIZE];
++
++static DEFINE_SPINLOCK(nx_info_hash_lock);
++
++
++static inline unsigned int __hashval(nid_t nid)
++{
++ return (nid % NX_HASH_SIZE);
++}
++
++
++
++/* __hash_nx_info()
++
++ * add the nxi to the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __hash_nx_info(struct nx_info *nxi)
++{
++ struct hlist_head *head;
++
++ vxd_assert_lock(&nx_info_hash_lock);
++ vxdprintk(VXD_CBIT(nid, 4),
++ "__hash_nx_info: %p[#%d]", nxi, nxi->nx_id);
++
++ /* context must not be hashed */
++ BUG_ON(nx_info_state(nxi, NXS_HASHED));
++
++ nxi->nx_state |= NXS_HASHED;
++ head = &nx_info_hash[__hashval(nxi->nx_id)];
++ hlist_add_head(&nxi->nx_hlist, head);
++ atomic_inc(&nx_global_cactive);
++}
++
++/* __unhash_nx_info()
++
++ * remove the nxi from the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __unhash_nx_info(struct nx_info *nxi)
++{
++ vxd_assert_lock(&nx_info_hash_lock);
++ vxdprintk(VXD_CBIT(nid, 4),
++ "__unhash_nx_info: %p[#%d.%d.%d]", nxi, nxi->nx_id,
++ atomic_read(&nxi->nx_usecnt), atomic_read(&nxi->nx_tasks));
++
++ /* context must be hashed */
++ BUG_ON(!nx_info_state(nxi, NXS_HASHED));
++ /* but without tasks */
++ BUG_ON(atomic_read(&nxi->nx_tasks));
++
++ nxi->nx_state &= ~NXS_HASHED;
++ hlist_del(&nxi->nx_hlist);
++ atomic_dec(&nx_global_cactive);
++}
++
++
++/* __lookup_nx_info()
++
++ * requires the hash_lock to be held
++ * doesn't increment the nx_refcnt */
++
++static inline struct nx_info *__lookup_nx_info(nid_t nid)
++{
++ struct hlist_head *head = &nx_info_hash[__hashval(nid)];
++ struct hlist_node *pos;
++ struct nx_info *nxi;
++
++ vxd_assert_lock(&nx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ nxi = hlist_entry(pos, struct nx_info, nx_hlist);
++
++ if (nxi->nx_id == nid)
++ goto found;
++ }
++ nxi = NULL;
++found:
++ vxdprintk(VXD_CBIT(nid, 0),
++ "__lookup_nx_info(#%u): %p[#%u]",
++ nid, nxi, nxi ? nxi->nx_id : 0);
++ return nxi;
++}
++
++
++/* __create_nx_info()
++
++ * create the requested context
++ * get(), claim() and hash it */
++
++static struct nx_info *__create_nx_info(int id)
++{
++ struct nx_info *new, *nxi = NULL;
++
++ vxdprintk(VXD_CBIT(nid, 1), "create_nx_info(%d)*", id);
++
++ if (!(new = __alloc_nx_info(id)))
++ return ERR_PTR(-ENOMEM);
++
++ /* required to make dynamic xids unique */
++ spin_lock(&nx_info_hash_lock);
++
++ /* static context requested */
++ if ((nxi = __lookup_nx_info(id))) {
++ vxdprintk(VXD_CBIT(nid, 0),
++ "create_nx_info(%d) = %p (already there)", id, nxi);
++ if (nx_info_flags(nxi, NXF_STATE_SETUP, 0))
++ nxi = ERR_PTR(-EBUSY);
++ else
++ nxi = ERR_PTR(-EEXIST);
++ goto out_unlock;
++ }
++ /* new context */
++ vxdprintk(VXD_CBIT(nid, 0),
++ "create_nx_info(%d) = %p (new)", id, new);
++ claim_nx_info(new, NULL);
++ __nx_set_lback(new);
++ __hash_nx_info(get_nx_info(new));
++ nxi = new, new = NULL;
++
++out_unlock:
++ spin_unlock(&nx_info_hash_lock);
++ if (new)
++ __dealloc_nx_info(new);
++ return nxi;
++}
++
++
++
++/* exported stuff */
++
++
++void unhash_nx_info(struct nx_info *nxi)
++{
++ __shutdown_nx_info(nxi);
++ spin_lock(&nx_info_hash_lock);
++ __unhash_nx_info(nxi);
++ spin_unlock(&nx_info_hash_lock);
++}
++
++/* lookup_nx_info()
++
++ * search for a nx_info and get() it
++ * negative id means current */
++
++struct nx_info *lookup_nx_info(int id)
++{
++ struct nx_info *nxi = NULL;
++
++ if (id < 0) {
++ nxi = get_nx_info(current_nx_info());
++ } else if (id > 1) {
++ spin_lock(&nx_info_hash_lock);
++ nxi = get_nx_info(__lookup_nx_info(id));
++ spin_unlock(&nx_info_hash_lock);
++ }
++ return nxi;
++}
++
++/* nid_is_hashed()
++
++ * verify that nid is still hashed */
++
++int nid_is_hashed(nid_t nid)
++{
++ int hashed;
++
++ spin_lock(&nx_info_hash_lock);
++ hashed = (__lookup_nx_info(nid) != NULL);
++ spin_unlock(&nx_info_hash_lock);
++ return hashed;
++}
++
++
++#ifdef CONFIG_PROC_FS
++
++/* get_nid_list()
++
++ * get a subset of hashed nids for proc
++ * assumes size is at least one */
++
++int get_nid_list(int index, unsigned int *nids, int size)
++{
++ int hindex, nr_nids = 0;
++
++ /* only show current and children */
++ if (!nx_check(0, VS_ADMIN | VS_WATCH)) {
++ if (index > 0)
++ return 0;
++ nids[nr_nids] = nx_current_nid();
++ return 1;
++ }
++
++ for (hindex = 0; hindex < NX_HASH_SIZE; hindex++) {
++ struct hlist_head *head = &nx_info_hash[hindex];
++ struct hlist_node *pos;
++
++ spin_lock(&nx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ struct nx_info *nxi;
++
++ if (--index > 0)
++ continue;
++
++ nxi = hlist_entry(pos, struct nx_info, nx_hlist);
++ nids[nr_nids] = nxi->nx_id;
++ if (++nr_nids >= size) {
++ spin_unlock(&nx_info_hash_lock);
++ goto out;
++ }
++ }
++ /* keep the lock time short */
++ spin_unlock(&nx_info_hash_lock);
++ }
++out:
++ return nr_nids;
++}
++#endif
++
++
++/*
++ * migrate task to new network
++ * gets nxi, puts old_nxi on change
++ */
++
++int nx_migrate_task(struct task_struct *p, struct nx_info *nxi)
++{
++ struct nx_info *old_nxi;
++ int ret = 0;
++
++ if (!p || !nxi)
++ BUG();
++
++ vxdprintk(VXD_CBIT(nid, 5),
++ "nx_migrate_task(%p,%p[#%d.%d.%d])",
++ p, nxi, nxi->nx_id,
++ atomic_read(&nxi->nx_usecnt),
++ atomic_read(&nxi->nx_tasks));
++
++ if (nx_info_flags(nxi, NXF_INFO_PRIVATE, 0) &&
++ !nx_info_flags(nxi, NXF_STATE_SETUP, 0))
++ return -EACCES;
++
++ if (nx_info_state(nxi, NXS_SHUTDOWN))
++ return -EFAULT;
++
++ /* maybe disallow this completely? */
++ old_nxi = task_get_nx_info(p);
++ if (old_nxi == nxi)
++ goto out;
++
++ task_lock(p);
++ if (old_nxi)
++ clr_nx_info(&p->nx_info);
++ claim_nx_info(nxi, p);
++ set_nx_info(&p->nx_info, nxi);
++ p->nid = nxi->nx_id;
++ task_unlock(p);
++
++ vxdprintk(VXD_CBIT(nid, 5),
++ "moved task %p into nxi:%p[#%d]",
++ p, nxi, nxi->nx_id);
++
++ if (old_nxi)
++ release_nx_info(old_nxi, p);
++ ret = 0;
++out:
++ put_nx_info(old_nxi);
++ return ret;
++}
++
++
++void nx_set_persistent(struct nx_info *nxi)
++{
++ vxdprintk(VXD_CBIT(nid, 6),
++ "nx_set_persistent(%p[#%d])", nxi, nxi->nx_id);
++
++ get_nx_info(nxi);
++ claim_nx_info(nxi, NULL);
++}
++
++void nx_clear_persistent(struct nx_info *nxi)
++{
++ vxdprintk(VXD_CBIT(nid, 6),
++ "nx_clear_persistent(%p[#%d])", nxi, nxi->nx_id);
++
++ release_nx_info(nxi, NULL);
++ put_nx_info(nxi);
++}
++
++void nx_update_persistent(struct nx_info *nxi)
++{
++ if (nx_info_flags(nxi, NXF_PERSISTENT, 0))
++ nx_set_persistent(nxi);
++ else
++ nx_clear_persistent(nxi);
++}
++
++/* vserver syscall commands below here */
++
++/* taks nid and nx_info functions */
++
++#include <asm/uaccess.h>
++
++
++int vc_task_nid(uint32_t id)
++{
++ nid_t nid;
++
++ if (id) {
++ struct task_struct *tsk;
++
++ rcu_read_lock();
++ tsk = find_task_by_real_pid(id);
++ nid = (tsk) ? tsk->nid : -ESRCH;
++ rcu_read_unlock();
++ } else
++ nid = nx_current_nid();
++ return nid;
++}
++
++
++int vc_nx_info(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_nx_info_v0 vc_data;
++
++ vc_data.nid = nxi->nx_id;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++/* network functions */
++
++int vc_net_create(uint32_t nid, void __user *data)
++{
++ struct vcmd_net_create vc_data = { .flagword = NXF_INIT_SET };
++ struct nx_info *new_nxi;
++ int ret;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if ((nid > MAX_S_CONTEXT) || (nid < 2))
++ return -EINVAL;
++
++ new_nxi = __create_nx_info(nid);
++ if (IS_ERR(new_nxi))
++ return PTR_ERR(new_nxi);
++
++ /* initial flags */
++ new_nxi->nx_flags = vc_data.flagword;
++
++ ret = -ENOEXEC;
++ if (vs_net_change(new_nxi, VSC_NETUP))
++ goto out;
++
++ ret = nx_migrate_task(current, new_nxi);
++ if (ret)
++ goto out;
++
++ /* return context id on success */
++ ret = new_nxi->nx_id;
++
++ /* get a reference for persistent contexts */
++ if ((vc_data.flagword & NXF_PERSISTENT))
++ nx_set_persistent(new_nxi);
++out:
++ release_nx_info(new_nxi, NULL);
++ put_nx_info(new_nxi);
++ return ret;
++}
++
++
++int vc_net_migrate(struct nx_info *nxi, void __user *data)
++{
++ return nx_migrate_task(current, nxi);
++}
++
++
++static inline
++struct nx_addr_v4 *__find_v4_addr(struct nx_info *nxi,
++ __be32 ip, __be32 ip2, __be32 mask, uint16_t type, uint16_t flags,
++ struct nx_addr_v4 **prev)
++{
++ struct nx_addr_v4 *nxa = &nxi->v4;
++
++ for (; nxa; nxa = nxa->next) {
++ if ((nxa->ip[0].s_addr == ip) &&
++ (nxa->ip[1].s_addr == ip2) &&
++ (nxa->mask.s_addr == mask) &&
++ (nxa->type == type) &&
++ (nxa->flags == flags))
++ return nxa;
++
++ /* save previous entry */
++ if (prev)
++ *prev = nxa;
++ }
++ return NULL;
++}
++
++int do_add_v4_addr(struct nx_info *nxi, __be32 ip, __be32 ip2, __be32 mask,
++ uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v4 *nxa = NULL;
++ struct nx_addr_v4 *new = __alloc_nx_addr_v4();
++ unsigned long irqflags;
++ int ret = -EEXIST;
++
++ if (IS_ERR(new))
++ return PTR_ERR(new);
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ if (__find_v4_addr(nxi, ip, ip2, mask, type, flags, &nxa))
++ goto out_unlock;
++
++ if (NX_IPV4(nxi)) {
++ nxa->next = new;
++ nxa = new;
++ new = NULL;
++
++ /* remove single ip for ip list */
++ nxi->nx_flags &= ~NXF_SINGLE_IP;
++ }
++
++ nxa->ip[0].s_addr = ip;
++ nxa->ip[1].s_addr = ip2;
++ nxa->mask.s_addr = mask;
++ nxa->type = type;
++ nxa->flags = flags;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ if (new)
++ __dealloc_nx_addr_v4(new);
++ return ret;
++}
++
++int do_remove_v4_addr(struct nx_info *nxi, __be32 ip, __be32 ip2, __be32 mask,
++ uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v4 *nxa = NULL;
++ struct nx_addr_v4 *old = NULL;
++ unsigned long irqflags;
++ int ret = 0;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ switch (type) {
++ case NXA_TYPE_ADDR:
++ old = __find_v4_addr(nxi, ip, ip2, mask, type, flags, &nxa);
++ if (old) {
++ if (nxa) {
++ nxa->next = old->next;
++ old->next = NULL;
++ } else {
++ if (old->next) {
++ nxa = old;
++ old = old->next;
++ *nxa = *old;
++ old->next = NULL;
++ } else {
++ memset(old, 0, sizeof(*old));
++ old = NULL;
++ }
++ }
++ } else
++ ret = -ESRCH;
++ break;
++
++ case NXA_TYPE_ANY:
++ nxa = &nxi->v4;
++ old = nxa->next;
++ memset(nxa, 0, sizeof(*nxa));
++ break;
++
++ default:
++ ret = -EINVAL;
++ }
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ __dealloc_nx_addr_v4_all(old);
++ return ret;
++}
++
++
++int vc_net_add(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_v0 vc_data;
++ int index, ret = 0;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_IPV4:
++ if ((vc_data.count < 1) || (vc_data.count > 4))
++ return -EINVAL;
++
++ index = 0;
++ while (index < vc_data.count) {
++ ret = do_add_v4_addr(nxi, vc_data.ip[index].s_addr, 0,
++ vc_data.mask[index].s_addr, NXA_TYPE_ADDR, 0);
++ if (ret)
++ return ret;
++ index++;
++ }
++ ret = index;
++ break;
++
++ case NXA_TYPE_IPV4|NXA_MOD_BCAST:
++ nxi->v4_bcast = vc_data.ip[0];
++ ret = 1;
++ break;
++
++ case NXA_TYPE_IPV4|NXA_MOD_LBACK:
++ nxi->v4_lback = vc_data.ip[0];
++ ret = 1;
++ break;
++
++ default:
++ ret = -EINVAL;
++ break;
++ }
++ return ret;
++}
++
++int vc_net_remove(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_v0 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ANY:
++ return do_remove_v4_addr(nxi, 0, 0, 0, vc_data.type, 0);
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++
++int vc_net_add_ipv4_v1(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ case NXA_TYPE_MASK:
++ return do_add_v4_addr(nxi, vc_data.ip.s_addr, 0,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++
++ case NXA_TYPE_ADDR | NXA_MOD_BCAST:
++ nxi->v4_bcast = vc_data.ip;
++ break;
++
++ case NXA_TYPE_ADDR | NXA_MOD_LBACK:
++ nxi->v4_lback = vc_data.ip;
++ break;
++
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++int vc_net_add_ipv4(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v2 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ case NXA_TYPE_MASK:
++ case NXA_TYPE_RANGE:
++ return do_add_v4_addr(nxi, vc_data.ip.s_addr, vc_data.ip2.s_addr,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++
++ case NXA_TYPE_ADDR | NXA_MOD_BCAST:
++ nxi->v4_bcast = vc_data.ip;
++ break;
++
++ case NXA_TYPE_ADDR | NXA_MOD_LBACK:
++ nxi->v4_lback = vc_data.ip;
++ break;
++
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++int vc_net_rem_ipv4_v1(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_remove_v4_addr(nxi, vc_data.ip.s_addr, 0,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++}
++
++int vc_net_rem_ipv4(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v2 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_remove_v4_addr(nxi, vc_data.ip.s_addr, vc_data.ip2.s_addr,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++}
++
++#ifdef CONFIG_IPV6
++
++static inline
++struct nx_addr_v6 *__find_v6_addr(struct nx_info *nxi,
++ struct in6_addr *ip, struct in6_addr *mask,
++ uint32_t prefix, uint16_t type, uint16_t flags,
++ struct nx_addr_v6 **prev)
++{
++ struct nx_addr_v6 *nxa = &nxi->v6;
++
++ for (; nxa; nxa = nxa->next) {
++ if (ipv6_addr_equal(&nxa->ip, ip) &&
++ ipv6_addr_equal(&nxa->mask, mask) &&
++ (nxa->prefix == prefix) &&
++ (nxa->type == type) &&
++ (nxa->flags == flags))
++ return nxa;
++
++ /* save previous entry */
++ if (prev)
++ *prev = nxa;
++ }
++ return NULL;
++}
++
++
++int do_add_v6_addr(struct nx_info *nxi,
++ struct in6_addr *ip, struct in6_addr *mask,
++ uint32_t prefix, uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v6 *nxa = NULL;
++ struct nx_addr_v6 *new = __alloc_nx_addr_v6();
++ unsigned long irqflags;
++ int ret = -EEXIST;
++
++ if (IS_ERR(new))
++ return PTR_ERR(new);
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ if (__find_v6_addr(nxi, ip, mask, prefix, type, flags, &nxa))
++ goto out_unlock;
++
++ if (NX_IPV6(nxi)) {
++ nxa->next = new;
++ nxa = new;
++ new = NULL;
++ }
++
++ nxa->ip = *ip;
++ nxa->mask = *mask;
++ nxa->prefix = prefix;
++ nxa->type = type;
++ nxa->flags = flags;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ if (new)
++ __dealloc_nx_addr_v6(new);
++ return ret;
++}
++
++int do_remove_v6_addr(struct nx_info *nxi,
++ struct in6_addr *ip, struct in6_addr *mask,
++ uint32_t prefix, uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v6 *nxa = NULL;
++ struct nx_addr_v6 *old = NULL;
++ unsigned long irqflags;
++ int ret = 0;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ switch (type) {
++ case NXA_TYPE_ADDR:
++ old = __find_v6_addr(nxi, ip, mask, prefix, type, flags, &nxa);
++ if (old) {
++ if (nxa) {
++ nxa->next = old->next;
++ old->next = NULL;
++ } else {
++ if (old->next) {
++ nxa = old;
++ old = old->next;
++ *nxa = *old;
++ old->next = NULL;
++ } else {
++ memset(old, 0, sizeof(*old));
++ old = NULL;
++ }
++ }
++ } else
++ ret = -ESRCH;
++ break;
++
++ case NXA_TYPE_ANY:
++ nxa = &nxi->v6;
++ old = nxa->next;
++ memset(nxa, 0, sizeof(*nxa));
++ break;
++
++ default:
++ ret = -EINVAL;
++ }
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ __dealloc_nx_addr_v6_all(old);
++ return ret;
++}
++
++int vc_net_add_ipv6(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv6_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ memset(&vc_data.mask, ~0, sizeof(vc_data.mask));
++ /* fallthrough */
++ case NXA_TYPE_MASK:
++ return do_add_v6_addr(nxi, &vc_data.ip, &vc_data.mask,
++ vc_data.prefix, vc_data.type, vc_data.flags);
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++int vc_net_remove_ipv6(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv6_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ memset(&vc_data.mask, ~0, sizeof(vc_data.mask));
++ /* fallthrough */
++ case NXA_TYPE_MASK:
++ return do_remove_v6_addr(nxi, &vc_data.ip, &vc_data.mask,
++ vc_data.prefix, vc_data.type, vc_data.flags);
++ case NXA_TYPE_ANY:
++ return do_remove_v6_addr(nxi, NULL, NULL, 0, vc_data.type, 0);
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++#endif /* CONFIG_IPV6 */
++
++
++int vc_get_nflags(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_flags_v0 vc_data;
++
++ vc_data.flagword = nxi->nx_flags;
++
++ /* special STATE flag handling */
++ vc_data.mask = vs_mask_flags(~0ULL, nxi->nx_flags, NXF_ONE_TIME);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_nflags(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_flags_v0 vc_data;
++ uint64_t mask, trigger;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ /* special STATE flag handling */
++ mask = vs_mask_mask(vc_data.mask, nxi->nx_flags, NXF_ONE_TIME);
++ trigger = (mask & nxi->nx_flags) ^ (mask & vc_data.flagword);
++
++ nxi->nx_flags = vs_mask_flags(nxi->nx_flags,
++ vc_data.flagword, mask);
++ if (trigger & NXF_PERSISTENT)
++ nx_update_persistent(nxi);
++
++ return 0;
++}
++
++int vc_get_ncaps(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_caps_v0 vc_data;
++
++ vc_data.ncaps = nxi->nx_ncaps;
++ vc_data.cmask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_ncaps(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_caps_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ nxi->nx_ncaps = vs_mask_flags(nxi->nx_ncaps,
++ vc_data.ncaps, vc_data.cmask);
++ return 0;
++}
++
++
++#include <linux/module.h>
++
++module_init(init_network);
++
++EXPORT_SYMBOL_GPL(free_nx_info);
++EXPORT_SYMBOL_GPL(unhash_nx_info);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/proc.c linux-3.7.10-vs2.3.5.6/kernel/vserver/proc.c
+--- linux-3.7.10/kernel/vserver/proc.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/proc.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,1110 @@
++/*
++ * linux/kernel/vserver/proc.c
++ *
++ * Virtual Context Support
++ *
++ * Copyright (C) 2003-2011 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ * V0.02 adaptation vs1.3.0
++ * V0.03 proc permissions
++ * V0.04 locking/generic
++ * V0.05 next generation procfs
++ * V0.06 inode validation
++ * V0.07 generic rewrite vid
++ * V0.08 remove inode type
++ * V0.09 added u/wmask info
++ *
++ */
++
++#include <linux/proc_fs.h>
++#include <linux/fs_struct.h>
++#include <linux/mount.h>
++#include <linux/namei.h>
++#include <asm/unistd.h>
++
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_cvirt.h>
++
++#include <linux/in.h>
++#include <linux/inetdevice.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
++
++#include <linux/vserver/global.h>
++
++#include "cvirt_proc.h"
++#include "cacct_proc.h"
++#include "limit_proc.h"
++#include "sched_proc.h"
++#include "vci_config.h"
++
++
++static inline char *print_cap_t(char *buffer, kernel_cap_t *c)
++{
++ unsigned __capi;
++
++ CAP_FOR_EACH_U32(__capi) {
++ buffer += sprintf(buffer, "%08x",
++ c->cap[(_KERNEL_CAPABILITY_U32S-1) - __capi]);
++ }
++ return buffer;
++}
++
++
++static struct proc_dir_entry *proc_virtual;
++
++static struct proc_dir_entry *proc_virtnet;
++
++
++/* first the actual feeds */
++
++
++static int proc_vci(char *buffer)
++{
++ return sprintf(buffer,
++ "VCIVersion:\t%04x:%04x\n"
++ "VCISyscall:\t%d\n"
++ "VCIKernel:\t%08x\n",
++ VCI_VERSION >> 16,
++ VCI_VERSION & 0xFFFF,
++ __NR_vserver,
++ vci_kernel_config());
++}
++
++static int proc_virtual_info(char *buffer)
++{
++ return proc_vci(buffer);
++}
++
++static int proc_virtual_status(char *buffer)
++{
++ return sprintf(buffer,
++ "#CTotal:\t%d\n"
++ "#CActive:\t%d\n"
++ "#NSProxy:\t%d\t%d %d %d %d %d %d\n"
++ "#InitTask:\t%d\t%d %d\n",
++ atomic_read(&vx_global_ctotal),
++ atomic_read(&vx_global_cactive),
++ atomic_read(&vs_global_nsproxy),
++ atomic_read(&vs_global_fs),
++ atomic_read(&vs_global_mnt_ns),
++ atomic_read(&vs_global_uts_ns),
++ atomic_read(&nr_ipc_ns),
++ atomic_read(&vs_global_user_ns),
++ atomic_read(&vs_global_pid_ns),
++ atomic_read(&init_task.usage),
++ atomic_read(&init_task.nsproxy->count),
++ init_task.fs->users);
++}
++
++
++int proc_vxi_info(struct vx_info *vxi, char *buffer)
++{
++ int length;
++
++ length = sprintf(buffer,
++ "ID:\t%d\n"
++ "Info:\t%p\n"
++ "Init:\t%d\n"
++ "OOM:\t%lld\n",
++ vxi->vx_id,
++ vxi,
++ vxi->vx_initpid,
++ vxi->vx_badness_bias);
++ return length;
++}
++
++int proc_vxi_status(struct vx_info *vxi, char *buffer)
++{
++ char *orig = buffer;
++
++ buffer += sprintf(buffer,
++ "UseCnt:\t%d\n"
++ "Tasks:\t%d\n"
++ "Flags:\t%016llx\n",
++ atomic_read(&vxi->vx_usecnt),
++ atomic_read(&vxi->vx_tasks),
++ (unsigned long long)vxi->vx_flags);
++
++ buffer += sprintf(buffer, "BCaps:\t");
++ buffer = print_cap_t(buffer, &vxi->vx_bcaps);
++ buffer += sprintf(buffer, "\n");
++
++ buffer += sprintf(buffer,
++ "CCaps:\t%016llx\n"
++ "Umask:\t%16llx\n"
++ "Wmask:\t%16llx\n"
++ "Spaces:\t%08lx %08lx\n",
++ (unsigned long long)vxi->vx_ccaps,
++ (unsigned long long)vxi->vx_umask,
++ (unsigned long long)vxi->vx_wmask,
++ vxi->space[0].vx_nsmask, vxi->space[1].vx_nsmask);
++ return buffer - orig;
++}
++
++int proc_vxi_limit(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_limit(&vxi->limit, buffer);
++}
++
++int proc_vxi_sched(struct vx_info *vxi, char *buffer)
++{
++ int cpu, length;
++
++ length = vx_info_proc_sched(&vxi->sched, buffer);
++ for_each_online_cpu(cpu) {
++ length += vx_info_proc_sched_pc(
++ &vx_per_cpu(vxi, sched_pc, cpu),
++ buffer + length, cpu);
++ }
++ return length;
++}
++
++int proc_vxi_nsproxy0(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_nsproxy(vxi->space[0].vx_nsproxy, buffer);
++}
++
++int proc_vxi_nsproxy1(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_nsproxy(vxi->space[1].vx_nsproxy, buffer);
++}
++
++int proc_vxi_cvirt(struct vx_info *vxi, char *buffer)
++{
++ int cpu, length;
++
++ vx_update_load(vxi);
++ length = vx_info_proc_cvirt(&vxi->cvirt, buffer);
++ for_each_online_cpu(cpu) {
++ length += vx_info_proc_cvirt_pc(
++ &vx_per_cpu(vxi, cvirt_pc, cpu),
++ buffer + length, cpu);
++ }
++ return length;
++}
++
++int proc_vxi_cacct(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_cacct(&vxi->cacct, buffer);
++}
++
++
++static int proc_virtnet_info(char *buffer)
++{
++ return proc_vci(buffer);
++}
++
++static int proc_virtnet_status(char *buffer)
++{
++ return sprintf(buffer,
++ "#CTotal:\t%d\n"
++ "#CActive:\t%d\n",
++ atomic_read(&nx_global_ctotal),
++ atomic_read(&nx_global_cactive));
++}
++
++int proc_nxi_info(struct nx_info *nxi, char *buffer)
++{
++ struct nx_addr_v4 *v4a;
++#ifdef CONFIG_IPV6
++ struct nx_addr_v6 *v6a;
++#endif
++ int length, i;
++
++ length = sprintf(buffer,
++ "ID:\t%d\n"
++ "Info:\t%p\n"
++ "Bcast:\t" NIPQUAD_FMT "\n"
++ "Lback:\t" NIPQUAD_FMT "\n",
++ nxi->nx_id,
++ nxi,
++ NIPQUAD(nxi->v4_bcast.s_addr),
++ NIPQUAD(nxi->v4_lback.s_addr));
++
++ if (!NX_IPV4(nxi))
++ goto skip_v4;
++ for (i = 0, v4a = &nxi->v4; v4a; i++, v4a = v4a->next)
++ length += sprintf(buffer + length, "%d:\t" NXAV4_FMT "\n",
++ i, NXAV4(v4a));
++skip_v4:
++#ifdef CONFIG_IPV6
++ if (!NX_IPV6(nxi))
++ goto skip_v6;
++ for (i = 0, v6a = &nxi->v6; v6a; i++, v6a = v6a->next)
++ length += sprintf(buffer + length, "%d:\t" NXAV6_FMT "\n",
++ i, NXAV6(v6a));
++skip_v6:
++#endif
++ return length;
++}
++
++int proc_nxi_status(struct nx_info *nxi, char *buffer)
++{
++ int length;
++
++ length = sprintf(buffer,
++ "UseCnt:\t%d\n"
++ "Tasks:\t%d\n"
++ "Flags:\t%016llx\n"
++ "NCaps:\t%016llx\n",
++ atomic_read(&nxi->nx_usecnt),
++ atomic_read(&nxi->nx_tasks),
++ (unsigned long long)nxi->nx_flags,
++ (unsigned long long)nxi->nx_ncaps);
++ return length;
++}
++
++
++
++/* here the inode helpers */
++
++struct vs_entry {
++ int len;
++ char *name;
++ mode_t mode;
++ struct inode_operations *iop;
++ struct file_operations *fop;
++ union proc_op op;
++};
++
++static struct inode *vs_proc_make_inode(struct super_block *sb, struct vs_entry *p)
++{
++ struct inode *inode = new_inode(sb);
++
++ if (!inode)
++ goto out;
++
++ inode->i_mode = p->mode;
++ if (p->iop)
++ inode->i_op = p->iop;
++ if (p->fop)
++ inode->i_fop = p->fop;
++
++ set_nlink(inode, (p->mode & S_IFDIR) ? 2 : 1);
++ inode->i_flags |= S_IMMUTABLE;
++
++ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
++
++ inode->i_uid = 0;
++ inode->i_gid = 0;
++ inode->i_tag = 0;
++out:
++ return inode;
++}
++
++static struct dentry *vs_proc_instantiate(struct inode *dir,
++ struct dentry *dentry, int id, void *ptr)
++{
++ struct vs_entry *p = ptr;
++ struct inode *inode = vs_proc_make_inode(dir->i_sb, p);
++ struct dentry *error = ERR_PTR(-EINVAL);
++
++ if (!inode)
++ goto out;
++
++ PROC_I(inode)->op = p->op;
++ PROC_I(inode)->fd = id;
++ d_add(dentry, inode);
++ error = NULL;
++out:
++ return error;
++}
++
++/* Lookups */
++
++typedef struct dentry *instantiate_t(struct inode *, struct dentry *, int, void *);
++
++/*
++ * Fill a directory entry.
++ *
++ * If possible create the dcache entry and derive our inode number and
++ * file type from dcache entry.
++ *
++ * Since all of the proc inode numbers are dynamically generated, the inode
++ * numbers do not exist until the inode is cache. This means creating the
++ * the dcache entry in readdir is necessary to keep the inode numbers
++ * reported by readdir in sync with the inode numbers reported
++ * by stat.
++ */
++static int proc_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
++ char *name, int len, instantiate_t instantiate, int id, void *ptr)
++{
++ struct dentry *child, *dir = filp->f_dentry;
++ struct inode *inode;
++ struct qstr qname;
++ ino_t ino = 0;
++ unsigned type = DT_UNKNOWN;
++
++ qname.name = name;
++ qname.len = len;
++ qname.hash = full_name_hash(name, len);
++
++ child = d_lookup(dir, &qname);
++ if (!child) {
++ struct dentry *new;
++ new = d_alloc(dir, &qname);
++ if (new) {
++ child = instantiate(dir->d_inode, new, id, ptr);
++ if (child)
++ dput(new);
++ else
++ child = new;
++ }
++ }
++ if (!child || IS_ERR(child) || !child->d_inode)
++ goto end_instantiate;
++ inode = child->d_inode;
++ if (inode) {
++ ino = inode->i_ino;
++ type = inode->i_mode >> 12;
++ }
++ dput(child);
++end_instantiate:
++ if (!ino)
++ ino = find_inode_number(dir, &qname);
++ if (!ino)
++ ino = 1;
++ return filldir(dirent, name, len, filp->f_pos, ino, type);
++}
++
++
++
++/* get and revalidate vx_info/xid */
++
++static inline
++struct vx_info *get_proc_vx_info(struct inode *inode)
++{
++ return lookup_vx_info(PROC_I(inode)->fd);
++}
++
++static int proc_xid_revalidate(struct dentry *dentry, unsigned int flags)
++{
++ struct inode *inode = dentry->d_inode;
++ xid_t xid = PROC_I(inode)->fd;
++
++ if (flags & LOOKUP_RCU) /* FIXME: can be dropped? */
++ return -ECHILD;
++
++ if (!xid || xid_is_hashed(xid))
++ return 1;
++ d_drop(dentry);
++ return 0;
++}
++
++
++/* get and revalidate nx_info/nid */
++
++static int proc_nid_revalidate(struct dentry *dentry, unsigned int flags)
++{
++ struct inode *inode = dentry->d_inode;
++ nid_t nid = PROC_I(inode)->fd;
++
++ if (flags & LOOKUP_RCU) /* FIXME: can be dropped? */
++ return -ECHILD;
++
++ if (!nid || nid_is_hashed(nid))
++ return 1;
++ d_drop(dentry);
++ return 0;
++}
++
++
++
++#define PROC_BLOCK_SIZE (PAGE_SIZE - 1024)
++
++static ssize_t proc_vs_info_read(struct file *file, char __user *buf,
++ size_t count, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ unsigned long page;
++ ssize_t length = 0;
++
++ if (count > PROC_BLOCK_SIZE)
++ count = PROC_BLOCK_SIZE;
++
++ /* fade that out as soon as stable */
++ WARN_ON(PROC_I(inode)->fd);
++
++ if (!(page = __get_free_page(GFP_KERNEL)))
++ return -ENOMEM;
++
++ BUG_ON(!PROC_I(inode)->op.proc_vs_read);
++ length = PROC_I(inode)->op.proc_vs_read((char *)page);
++
++ if (length >= 0)
++ length = simple_read_from_buffer(buf, count, ppos,
++ (char *)page, length);
++
++ free_page(page);
++ return length;
++}
++
++static ssize_t proc_vx_info_read(struct file *file, char __user *buf,
++ size_t count, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ struct vx_info *vxi = NULL;
++ xid_t xid = PROC_I(inode)->fd;
++ unsigned long page;
++ ssize_t length = 0;
++
++ if (count > PROC_BLOCK_SIZE)
++ count = PROC_BLOCK_SIZE;
++
++ /* fade that out as soon as stable */
++ WARN_ON(!xid);
++ vxi = lookup_vx_info(xid);
++ if (!vxi)
++ goto out;
++
++ length = -ENOMEM;
++ if (!(page = __get_free_page(GFP_KERNEL)))
++ goto out_put;
++
++ BUG_ON(!PROC_I(inode)->op.proc_vxi_read);
++ length = PROC_I(inode)->op.proc_vxi_read(vxi, (char *)page);
++
++ if (length >= 0)
++ length = simple_read_from_buffer(buf, count, ppos,
++ (char *)page, length);
++
++ free_page(page);
++out_put:
++ put_vx_info(vxi);
++out:
++ return length;
++}
++
++static ssize_t proc_nx_info_read(struct file *file, char __user *buf,
++ size_t count, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ struct nx_info *nxi = NULL;
++ nid_t nid = PROC_I(inode)->fd;
++ unsigned long page;
++ ssize_t length = 0;
++
++ if (count > PROC_BLOCK_SIZE)
++ count = PROC_BLOCK_SIZE;
++
++ /* fade that out as soon as stable */
++ WARN_ON(!nid);
++ nxi = lookup_nx_info(nid);
++ if (!nxi)
++ goto out;
++
++ length = -ENOMEM;
++ if (!(page = __get_free_page(GFP_KERNEL)))
++ goto out_put;
++
++ BUG_ON(!PROC_I(inode)->op.proc_nxi_read);
++ length = PROC_I(inode)->op.proc_nxi_read(nxi, (char *)page);
++
++ if (length >= 0)
++ length = simple_read_from_buffer(buf, count, ppos,
++ (char *)page, length);
++
++ free_page(page);
++out_put:
++ put_nx_info(nxi);
++out:
++ return length;
++}
++
++
++
++/* here comes the lower level */
++
++
++#define NOD(NAME, MODE, IOP, FOP, OP) { \
++ .len = sizeof(NAME) - 1, \
++ .name = (NAME), \
++ .mode = MODE, \
++ .iop = IOP, \
++ .fop = FOP, \
++ .op = OP, \
++}
++
++
++#define DIR(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFDIR | (MODE)), \
++ &proc_ ## OTYPE ## _inode_operations, \
++ &proc_ ## OTYPE ## _file_operations, { } )
++
++#define INF(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFREG | (MODE)), NULL, \
++ &proc_vs_info_file_operations, \
++ { .proc_vs_read = &proc_##OTYPE } )
++
++#define VINF(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFREG | (MODE)), NULL, \
++ &proc_vx_info_file_operations, \
++ { .proc_vxi_read = &proc_##OTYPE } )
++
++#define NINF(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFREG | (MODE)), NULL, \
++ &proc_nx_info_file_operations, \
++ { .proc_nxi_read = &proc_##OTYPE } )
++
++
++static struct file_operations proc_vs_info_file_operations = {
++ .read = proc_vs_info_read,
++};
++
++static struct file_operations proc_vx_info_file_operations = {
++ .read = proc_vx_info_read,
++};
++
++static struct dentry_operations proc_xid_dentry_operations = {
++ .d_revalidate = proc_xid_revalidate,
++};
++
++static struct vs_entry vx_base_stuff[] = {
++ VINF("info", S_IRUGO, vxi_info),
++ VINF("status", S_IRUGO, vxi_status),
++ VINF("limit", S_IRUGO, vxi_limit),
++ VINF("sched", S_IRUGO, vxi_sched),
++ VINF("nsproxy", S_IRUGO, vxi_nsproxy0),
++ VINF("nsproxy1",S_IRUGO, vxi_nsproxy1),
++ VINF("cvirt", S_IRUGO, vxi_cvirt),
++ VINF("cacct", S_IRUGO, vxi_cacct),
++ {}
++};
++
++
++
++
++static struct dentry *proc_xid_instantiate(struct inode *dir,
++ struct dentry *dentry, int id, void *ptr)
++{
++ dentry->d_op = &proc_xid_dentry_operations;
++ return vs_proc_instantiate(dir, dentry, id, ptr);
++}
++
++static struct dentry *proc_xid_lookup(struct inode *dir,
++ struct dentry *dentry, unsigned int flags)
++{
++ struct vs_entry *p = vx_base_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (!p->name)
++ goto out;
++
++ error = proc_xid_instantiate(dir, dentry, PROC_I(dir)->fd, p);
++out:
++ return error;
++}
++
++static int proc_xid_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = vx_base_stuff;
++ int size = sizeof(vx_base_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto out;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, PROC_I(inode)->fd, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 1;
++}
++
++
++
++static struct file_operations proc_nx_info_file_operations = {
++ .read = proc_nx_info_read,
++};
++
++static struct dentry_operations proc_nid_dentry_operations = {
++ .d_revalidate = proc_nid_revalidate,
++};
++
++static struct vs_entry nx_base_stuff[] = {
++ NINF("info", S_IRUGO, nxi_info),
++ NINF("status", S_IRUGO, nxi_status),
++ {}
++};
++
++
++static struct dentry *proc_nid_instantiate(struct inode *dir,
++ struct dentry *dentry, int id, void *ptr)
++{
++ dentry->d_op = &proc_nid_dentry_operations;
++ return vs_proc_instantiate(dir, dentry, id, ptr);
++}
++
++static struct dentry *proc_nid_lookup(struct inode *dir,
++ struct dentry *dentry, unsigned int flags)
++{
++ struct vs_entry *p = nx_base_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (!p->name)
++ goto out;
++
++ error = proc_nid_instantiate(dir, dentry, PROC_I(dir)->fd, p);
++out:
++ return error;
++}
++
++static int proc_nid_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = nx_base_stuff;
++ int size = sizeof(nx_base_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto out;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, PROC_I(inode)->fd, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 1;
++}
++
++
++#define MAX_MULBY10 ((~0U - 9) / 10)
++
++static inline int atovid(const char *str, int len)
++{
++ int vid, c;
++
++ vid = 0;
++ while (len-- > 0) {
++ c = *str - '0';
++ str++;
++ if (c > 9)
++ return -1;
++ if (vid >= MAX_MULBY10)
++ return -1;
++ vid *= 10;
++ vid += c;
++ if (!vid)
++ return -1;
++ }
++ return vid;
++}
++
++/* now the upper level (virtual) */
++
++
++static struct file_operations proc_xid_file_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_xid_readdir,
++};
++
++static struct inode_operations proc_xid_inode_operations = {
++ .lookup = proc_xid_lookup,
++};
++
++static struct vs_entry vx_virtual_stuff[] = {
++ INF("info", S_IRUGO, virtual_info),
++ INF("status", S_IRUGO, virtual_status),
++ DIR(NULL, S_IRUGO | S_IXUGO, xid),
++};
++
++
++static struct dentry *proc_virtual_lookup(struct inode *dir,
++ struct dentry *dentry, unsigned int flags)
++{
++ struct vs_entry *p = vx_virtual_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++ int id = 0;
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (p->name)
++ goto instantiate;
++
++ id = atovid(dentry->d_name.name, dentry->d_name.len);
++ if ((id < 0) || !xid_is_hashed(id))
++ goto out;
++
++instantiate:
++ error = proc_xid_instantiate(dir, dentry, id, p);
++out:
++ return error;
++}
++
++static struct file_operations proc_nid_file_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_nid_readdir,
++};
++
++static struct inode_operations proc_nid_inode_operations = {
++ .lookup = proc_nid_lookup,
++};
++
++static struct vs_entry nx_virtnet_stuff[] = {
++ INF("info", S_IRUGO, virtnet_info),
++ INF("status", S_IRUGO, virtnet_status),
++ DIR(NULL, S_IRUGO | S_IXUGO, nid),
++};
++
++
++static struct dentry *proc_virtnet_lookup(struct inode *dir,
++ struct dentry *dentry, unsigned int flags)
++{
++ struct vs_entry *p = nx_virtnet_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++ int id = 0;
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (p->name)
++ goto instantiate;
++
++ id = atovid(dentry->d_name.name, dentry->d_name.len);
++ if ((id < 0) || !nid_is_hashed(id))
++ goto out;
++
++instantiate:
++ error = proc_nid_instantiate(dir, dentry, id, p);
++out:
++ return error;
++}
++
++
++#define PROC_MAXVIDS 32
++
++int proc_virtual_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = vx_virtual_stuff;
++ int size = sizeof(vx_virtual_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ unsigned int xid_array[PROC_MAXVIDS];
++ char buf[PROC_NUMBUF];
++ unsigned int nr_xids, i;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto entries;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, 0, p))
++ goto out;
++ pos++;
++ }
++ entries:
++ index = pos - size;
++ p = &vx_virtual_stuff[size - 1];
++ nr_xids = get_xid_list(index, xid_array, PROC_MAXVIDS);
++ for (i = 0; i < nr_xids; i++) {
++ int n, xid = xid_array[i];
++ unsigned int j = PROC_NUMBUF;
++
++ n = xid;
++ do
++ buf[--j] = '0' + (n % 10);
++ while (n /= 10);
++
++ if (proc_fill_cache(filp, dirent, filldir,
++ buf + j, PROC_NUMBUF - j,
++ vs_proc_instantiate, xid, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 0;
++}
++
++static int proc_virtual_getattr(struct vfsmount *mnt,
++ struct dentry *dentry, struct kstat *stat)
++{
++ struct inode *inode = dentry->d_inode;
++
++ generic_fillattr(inode, stat);
++ stat->nlink = 2 + atomic_read(&vx_global_cactive);
++ return 0;
++}
++
++static struct file_operations proc_virtual_dir_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_virtual_readdir,
++};
++
++static struct inode_operations proc_virtual_dir_inode_operations = {
++ .getattr = proc_virtual_getattr,
++ .lookup = proc_virtual_lookup,
++};
++
++
++
++
++
++int proc_virtnet_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = nx_virtnet_stuff;
++ int size = sizeof(nx_virtnet_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ unsigned int nid_array[PROC_MAXVIDS];
++ char buf[PROC_NUMBUF];
++ unsigned int nr_nids, i;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto entries;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, 0, p))
++ goto out;
++ pos++;
++ }
++ entries:
++ index = pos - size;
++ p = &nx_virtnet_stuff[size - 1];
++ nr_nids = get_nid_list(index, nid_array, PROC_MAXVIDS);
++ for (i = 0; i < nr_nids; i++) {
++ int n, nid = nid_array[i];
++ unsigned int j = PROC_NUMBUF;
++
++ n = nid;
++ do
++ buf[--j] = '0' + (n % 10);
++ while (n /= 10);
++
++ if (proc_fill_cache(filp, dirent, filldir,
++ buf + j, PROC_NUMBUF - j,
++ vs_proc_instantiate, nid, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 0;
++}
++
++static int proc_virtnet_getattr(struct vfsmount *mnt,
++ struct dentry *dentry, struct kstat *stat)
++{
++ struct inode *inode = dentry->d_inode;
++
++ generic_fillattr(inode, stat);
++ stat->nlink = 2 + atomic_read(&nx_global_cactive);
++ return 0;
++}
++
++static struct file_operations proc_virtnet_dir_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_virtnet_readdir,
++};
++
++static struct inode_operations proc_virtnet_dir_inode_operations = {
++ .getattr = proc_virtnet_getattr,
++ .lookup = proc_virtnet_lookup,
++};
++
++
++
++void proc_vx_init(void)
++{
++ struct proc_dir_entry *ent;
++
++ ent = proc_mkdir("virtual", 0);
++ if (ent) {
++ ent->proc_fops = &proc_virtual_dir_operations;
++ ent->proc_iops = &proc_virtual_dir_inode_operations;
++ }
++ proc_virtual = ent;
++
++ ent = proc_mkdir("virtnet", 0);
++ if (ent) {
++ ent->proc_fops = &proc_virtnet_dir_operations;
++ ent->proc_iops = &proc_virtnet_dir_inode_operations;
++ }
++ proc_virtnet = ent;
++}
++
++
++
++
++/* per pid info */
++
++
++int proc_pid_vx_info(struct task_struct *p, char *buffer)
++{
++ struct vx_info *vxi;
++ char *orig = buffer;
++
++ buffer += sprintf(buffer, "XID:\t%d\n", vx_task_xid(p));
++
++ vxi = task_get_vx_info(p);
++ if (!vxi)
++ goto out;
++
++ buffer += sprintf(buffer, "BCaps:\t");
++ buffer = print_cap_t(buffer, &vxi->vx_bcaps);
++ buffer += sprintf(buffer, "\n");
++ buffer += sprintf(buffer, "CCaps:\t%016llx\n",
++ (unsigned long long)vxi->vx_ccaps);
++ buffer += sprintf(buffer, "CFlags:\t%016llx\n",
++ (unsigned long long)vxi->vx_flags);
++ buffer += sprintf(buffer, "CIPid:\t%d\n", vxi->vx_initpid);
++
++ put_vx_info(vxi);
++out:
++ return buffer - orig;
++}
++
++
++int proc_pid_nx_info(struct task_struct *p, char *buffer)
++{
++ struct nx_info *nxi;
++ struct nx_addr_v4 *v4a;
++#ifdef CONFIG_IPV6
++ struct nx_addr_v6 *v6a;
++#endif
++ char *orig = buffer;
++ int i;
++
++ buffer += sprintf(buffer, "NID:\t%d\n", nx_task_nid(p));
++
++ nxi = task_get_nx_info(p);
++ if (!nxi)
++ goto out;
++
++ buffer += sprintf(buffer, "NCaps:\t%016llx\n",
++ (unsigned long long)nxi->nx_ncaps);
++ buffer += sprintf(buffer, "NFlags:\t%016llx\n",
++ (unsigned long long)nxi->nx_flags);
++
++ buffer += sprintf(buffer,
++ "V4Root[bcast]:\t" NIPQUAD_FMT "\n",
++ NIPQUAD(nxi->v4_bcast.s_addr));
++ buffer += sprintf (buffer,
++ "V4Root[lback]:\t" NIPQUAD_FMT "\n",
++ NIPQUAD(nxi->v4_lback.s_addr));
++ if (!NX_IPV4(nxi))
++ goto skip_v4;
++ for (i = 0, v4a = &nxi->v4; v4a; i++, v4a = v4a->next)
++ buffer += sprintf(buffer, "V4Root[%d]:\t" NXAV4_FMT "\n",
++ i, NXAV4(v4a));
++skip_v4:
++#ifdef CONFIG_IPV6
++ if (!NX_IPV6(nxi))
++ goto skip_v6;
++ for (i = 0, v6a = &nxi->v6; v6a; i++, v6a = v6a->next)
++ buffer += sprintf(buffer, "V6Root[%d]:\t" NXAV6_FMT "\n",
++ i, NXAV6(v6a));
++skip_v6:
++#endif
++ put_nx_info(nxi);
++out:
++ return buffer - orig;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/sched.c linux-3.7.10-vs2.3.5.6/kernel/vserver/sched.c
+--- linux-3.7.10/kernel/vserver/sched.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/sched.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,83 @@
++/*
++ * linux/kernel/vserver/sched.c
++ *
++ * Virtual Server: Scheduler Support
++ *
++ * Copyright (C) 2004-2010 Herbert Pötzl
++ *
++ * V0.01 adapted Sam Vilains version to 2.6.3
++ * V0.02 removed legacy interface
++ * V0.03 changed vcmds to vxi arg
++ * V0.04 removed older and legacy interfaces
++ * V0.05 removed scheduler code/commands
++ *
++ */
++
++#include <linux/vs_context.h>
++#include <linux/vs_sched.h>
++#include <linux/cpumask.h>
++#include <linux/vserver/sched_cmd.h>
++
++#include <asm/uaccess.h>
++
++
++void vx_update_sched_param(struct _vx_sched *sched,
++ struct _vx_sched_pc *sched_pc)
++{
++ sched_pc->prio_bias = sched->prio_bias;
++}
++
++static int do_set_prio_bias(struct vx_info *vxi, struct vcmd_prio_bias *data)
++{
++ int cpu;
++
++ if (data->prio_bias > MAX_PRIO_BIAS)
++ data->prio_bias = MAX_PRIO_BIAS;
++ if (data->prio_bias < MIN_PRIO_BIAS)
++ data->prio_bias = MIN_PRIO_BIAS;
++
++ if (data->cpu_id != ~0) {
++ vxi->sched.update = cpumask_of_cpu(data->cpu_id);
++ cpumask_and(&vxi->sched.update, &vxi->sched.update,
++ cpu_online_mask);
++ } else
++ cpumask_copy(&vxi->sched.update, cpu_online_mask);
++
++ for_each_cpu_mask(cpu, vxi->sched.update)
++ vx_update_sched_param(&vxi->sched,
++ &vx_per_cpu(vxi, sched_pc, cpu));
++ return 0;
++}
++
++int vc_set_prio_bias(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_prio_bias vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_prio_bias(vxi, &vc_data);
++}
++
++int vc_get_prio_bias(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_prio_bias vc_data;
++ struct _vx_sched_pc *pcd;
++ int cpu;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ cpu = vc_data.cpu_id;
++
++ if (!cpu_possible(cpu))
++ return -EINVAL;
++
++ pcd = &vx_per_cpu(vxi, sched_pc, cpu);
++ vc_data.prio_bias = pcd->prio_bias;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/sched_init.h linux-3.7.10-vs2.3.5.6/kernel/vserver/sched_init.h
+--- linux-3.7.10/kernel/vserver/sched_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/sched_init.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,27 @@
++
++static inline void vx_info_init_sched(struct _vx_sched *sched)
++{
++ /* scheduling; hard code starting values as constants */
++ sched->prio_bias = 0;
++}
++
++static inline
++void vx_info_init_sched_pc(struct _vx_sched_pc *sched_pc, int cpu)
++{
++ sched_pc->prio_bias = 0;
++
++ sched_pc->user_ticks = 0;
++ sched_pc->sys_ticks = 0;
++ sched_pc->hold_ticks = 0;
++}
++
++static inline void vx_info_exit_sched(struct _vx_sched *sched)
++{
++ return;
++}
++
++static inline
++void vx_info_exit_sched_pc(struct _vx_sched_pc *sched_pc, int cpu)
++{
++ return;
++}
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/sched_proc.h linux-3.7.10-vs2.3.5.6/kernel/vserver/sched_proc.h
+--- linux-3.7.10/kernel/vserver/sched_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/sched_proc.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,32 @@
++#ifndef _VX_SCHED_PROC_H
++#define _VX_SCHED_PROC_H
++
++
++static inline
++int vx_info_proc_sched(struct _vx_sched *sched, char *buffer)
++{
++ int length = 0;
++
++ length += sprintf(buffer,
++ "PrioBias:\t%8d\n",
++ sched->prio_bias);
++ return length;
++}
++
++static inline
++int vx_info_proc_sched_pc(struct _vx_sched_pc *sched_pc,
++ char *buffer, int cpu)
++{
++ int length = 0;
++
++ length += sprintf(buffer + length,
++ "cpu %d: %lld %lld %lld", cpu,
++ (unsigned long long)sched_pc->user_ticks,
++ (unsigned long long)sched_pc->sys_ticks,
++ (unsigned long long)sched_pc->hold_ticks);
++ length += sprintf(buffer + length,
++ " %d\n", sched_pc->prio_bias);
++ return length;
++}
++
++#endif /* _VX_SCHED_PROC_H */
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/signal.c linux-3.7.10-vs2.3.5.6/kernel/vserver/signal.c
+--- linux-3.7.10/kernel/vserver/signal.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/signal.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,134 @@
++/*
++ * linux/kernel/vserver/signal.c
++ *
++ * Virtual Server: Signal Support
++ *
++ * Copyright (C) 2003-2007 Herbert Pötzl
++ *
++ * V0.01 broken out from vcontext V0.05
++ * V0.02 changed vcmds to vxi arg
++ * V0.03 adjusted siginfo for kill
++ *
++ */
++
++#include <asm/uaccess.h>
++
++#include <linux/vs_context.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/signal_cmd.h>
++
++
++int vx_info_kill(struct vx_info *vxi, int pid, int sig)
++{
++ int retval, count = 0;
++ struct task_struct *p;
++ struct siginfo *sip = SEND_SIG_PRIV;
++
++ retval = -ESRCH;
++ vxdprintk(VXD_CBIT(misc, 4),
++ "vx_info_kill(%p[#%d],%d,%d)*",
++ vxi, vxi->vx_id, pid, sig);
++ read_lock(&tasklist_lock);
++ switch (pid) {
++ case 0:
++ case -1:
++ for_each_process(p) {
++ int err = 0;
++
++ if (vx_task_xid(p) != vxi->vx_id || p->pid <= 1 ||
++ (pid && vxi->vx_initpid == p->pid))
++ continue;
++
++ err = group_send_sig_info(sig, sip, p);
++ ++count;
++ if (err != -EPERM)
++ retval = err;
++ }
++ break;
++
++ case 1:
++ if (vxi->vx_initpid) {
++ pid = vxi->vx_initpid;
++ /* for now, only SIGINT to private init ... */
++ if (!vx_info_flags(vxi, VXF_STATE_ADMIN, 0) &&
++ /* ... as long as there are tasks left */
++ (atomic_read(&vxi->vx_tasks) > 1))
++ sig = SIGINT;
++ }
++ /* fallthrough */
++ default:
++ rcu_read_lock();
++ p = find_task_by_real_pid(pid);
++ rcu_read_unlock();
++ if (p) {
++ if (vx_task_xid(p) == vxi->vx_id)
++ retval = group_send_sig_info(sig, sip, p);
++ }
++ break;
++ }
++ read_unlock(&tasklist_lock);
++ vxdprintk(VXD_CBIT(misc, 4),
++ "vx_info_kill(%p[#%d],%d,%d,%ld) = %d",
++ vxi, vxi->vx_id, pid, sig, (long)sip, retval);
++ return retval;
++}
++
++int vc_ctx_kill(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_kill_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ /* special check to allow guest shutdown */
++ if (!vx_info_flags(vxi, VXF_STATE_ADMIN, 0) &&
++ /* forbid killall pid=0 when init is present */
++ (((vc_data.pid < 1) && vxi->vx_initpid) ||
++ (vc_data.pid > 1)))
++ return -EACCES;
++
++ return vx_info_kill(vxi, vc_data.pid, vc_data.sig);
++}
++
++
++static int __wait_exit(struct vx_info *vxi)
++{
++ DECLARE_WAITQUEUE(wait, current);
++ int ret = 0;
++
++ add_wait_queue(&vxi->vx_wait, &wait);
++ set_current_state(TASK_INTERRUPTIBLE);
++
++wait:
++ if (vx_info_state(vxi,
++ VXS_SHUTDOWN | VXS_HASHED | VXS_HELPER) == VXS_SHUTDOWN)
++ goto out;
++ if (signal_pending(current)) {
++ ret = -ERESTARTSYS;
++ goto out;
++ }
++ schedule();
++ goto wait;
++
++out:
++ set_current_state(TASK_RUNNING);
++ remove_wait_queue(&vxi->vx_wait, &wait);
++ return ret;
++}
++
++
++
++int vc_wait_exit(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_wait_exit_v0 vc_data;
++ int ret;
++
++ ret = __wait_exit(vxi);
++ vc_data.reboot_cmd = vxi->reboot_cmd;
++ vc_data.exit_code = vxi->exit_code;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/space.c linux-3.7.10-vs2.3.5.6/kernel/vserver/space.c
+--- linux-3.7.10/kernel/vserver/space.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/space.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,436 @@
++/*
++ * linux/kernel/vserver/space.c
++ *
++ * Virtual Server: Context Space Support
++ *
++ * Copyright (C) 2003-2010 Herbert Pötzl
++ *
++ * V0.01 broken out from context.c 0.07
++ * V0.02 added task locking for namespace
++ * V0.03 broken out vx_enter_namespace
++ * V0.04 added *space support and commands
++ * V0.05 added credential support
++ *
++ */
++
++#include <linux/utsname.h>
++#include <linux/nsproxy.h>
++#include <linux/err.h>
++#include <linux/fs_struct.h>
++#include <linux/cred.h>
++#include <asm/uaccess.h>
++
++#include <linux/vs_context.h>
++#include <linux/vserver/space.h>
++#include <linux/vserver/space_cmd.h>
++
++atomic_t vs_global_nsproxy = ATOMIC_INIT(0);
++atomic_t vs_global_fs = ATOMIC_INIT(0);
++atomic_t vs_global_mnt_ns = ATOMIC_INIT(0);
++atomic_t vs_global_uts_ns = ATOMIC_INIT(0);
++atomic_t vs_global_user_ns = ATOMIC_INIT(0);
++atomic_t vs_global_pid_ns = ATOMIC_INIT(0);
++
++
++/* namespace functions */
++
++#include <linux/mnt_namespace.h>
++#include <linux/user_namespace.h>
++#include <linux/pid_namespace.h>
++#include <linux/ipc_namespace.h>
++#include <net/net_namespace.h>
++#include "../fs/mount.h"
++
++
++static const struct vcmd_space_mask_v1 space_mask_v0 = {
++ .mask = CLONE_FS |
++ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
++ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
++ CLONE_NEWIPC |
++#endif
++#ifdef CONFIG_USER_NS
++ CLONE_NEWUSER |
++#endif
++ 0
++};
++
++static const struct vcmd_space_mask_v1 space_mask = {
++ .mask = CLONE_FS |
++ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
++ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
++ CLONE_NEWIPC |
++#endif
++#ifdef CONFIG_USER_NS
++ CLONE_NEWUSER |
++#endif
++#ifdef CONFIG_PID_NS
++ CLONE_NEWPID |
++#endif
++#ifdef CONFIG_NET_NS
++ CLONE_NEWNET |
++#endif
++ 0
++};
++
++static const struct vcmd_space_mask_v1 default_space_mask = {
++ .mask = CLONE_FS |
++ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
++ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
++ CLONE_NEWIPC |
++#endif
++#ifdef CONFIG_USER_NS
++ CLONE_NEWUSER |
++#endif
++#ifdef CONFIG_PID_NS
++// CLONE_NEWPID |
++#endif
++ 0
++};
++
++/*
++ * build a new nsproxy mix
++ * assumes that both proxies are 'const'
++ * does not touch nsproxy refcounts
++ * will hold a reference on the result.
++ */
++
++struct nsproxy *vs_mix_nsproxy(struct nsproxy *old_nsproxy,
++ struct nsproxy *new_nsproxy, unsigned long mask)
++{
++ struct mnt_namespace *old_ns;
++ struct uts_namespace *old_uts;
++ struct ipc_namespace *old_ipc;
++#ifdef CONFIG_PID_NS
++ struct pid_namespace *old_pid;
++#endif
++#ifdef CONFIG_NET_NS
++ struct net *old_net;
++#endif
++ struct nsproxy *nsproxy;
++
++ nsproxy = copy_nsproxy(old_nsproxy);
++ if (!nsproxy)
++ goto out;
++
++ if (mask & CLONE_NEWNS) {
++ old_ns = nsproxy->mnt_ns;
++ nsproxy->mnt_ns = new_nsproxy->mnt_ns;
++ if (nsproxy->mnt_ns)
++ get_mnt_ns(nsproxy->mnt_ns);
++ } else
++ old_ns = NULL;
++
++ if (mask & CLONE_NEWUTS) {
++ old_uts = nsproxy->uts_ns;
++ nsproxy->uts_ns = new_nsproxy->uts_ns;
++ if (nsproxy->uts_ns)
++ get_uts_ns(nsproxy->uts_ns);
++ } else
++ old_uts = NULL;
++
++ if (mask & CLONE_NEWIPC) {
++ old_ipc = nsproxy->ipc_ns;
++ nsproxy->ipc_ns = new_nsproxy->ipc_ns;
++ if (nsproxy->ipc_ns)
++ get_ipc_ns(nsproxy->ipc_ns);
++ } else
++ old_ipc = NULL;
++
++#ifdef CONFIG_PID_NS
++ if (mask & CLONE_NEWPID) {
++ old_pid = nsproxy->pid_ns;
++ nsproxy->pid_ns = new_nsproxy->pid_ns;
++ if (nsproxy->pid_ns)
++ get_pid_ns(nsproxy->pid_ns);
++ } else
++ old_pid = NULL;
++#endif
++#ifdef CONFIG_NET_NS
++ if (mask & CLONE_NEWNET) {
++ old_net = nsproxy->net_ns;
++ nsproxy->net_ns = new_nsproxy->net_ns;
++ if (nsproxy->net_ns)
++ get_net(nsproxy->net_ns);
++ } else
++ old_net = NULL;
++#endif
++ if (old_ns)
++ put_mnt_ns(old_ns);
++ if (old_uts)
++ put_uts_ns(old_uts);
++ if (old_ipc)
++ put_ipc_ns(old_ipc);
++#ifdef CONFIG_PID_NS
++ if (old_pid)
++ put_pid_ns(old_pid);
++#endif
++#ifdef CONFIG_NET_NS
++ if (old_net)
++ put_net(old_net);
++#endif
++out:
++ return nsproxy;
++}
++
++
++/*
++ * merge two nsproxy structs into a new one.
++ * will hold a reference on the result.
++ */
++
++static inline
++struct nsproxy *__vs_merge_nsproxy(struct nsproxy *old,
++ struct nsproxy *proxy, unsigned long mask)
++{
++ struct nsproxy null_proxy = { .mnt_ns = NULL };
++
++ if (!proxy)
++ return NULL;
++
++ if (mask) {
++ /* vs_mix_nsproxy returns with reference */
++ return vs_mix_nsproxy(old ? old : &null_proxy,
++ proxy, mask);
++ }
++ get_nsproxy(proxy);
++ return proxy;
++}
++
++
++int vx_enter_space(struct vx_info *vxi, unsigned long mask, unsigned index)
++{
++ struct nsproxy *proxy, *proxy_cur, *proxy_new;
++ struct fs_struct *fs_cur, *fs = NULL;
++ struct _vx_space *space;
++ int ret, kill = 0;
++
++ vxdprintk(VXD_CBIT(space, 8), "vx_enter_space(%p[#%u],0x%08lx,%d)",
++ vxi, vxi->vx_id, mask, index);
++
++ if (vx_info_flags(vxi, VXF_INFO_PRIVATE, 0))
++ return -EACCES;
++
++ if (index >= VX_SPACES)
++ return -EINVAL;
++
++ space = &vxi->space[index];
++
++ if (!mask)
++ mask = space->vx_nsmask;
++
++ if ((mask & space->vx_nsmask) != mask)
++ return -EINVAL;
++
++ if (mask & CLONE_FS) {
++ fs = copy_fs_struct(space->vx_fs);
++ if (!fs)
++ return -ENOMEM;
++ }
++ proxy = space->vx_nsproxy;
++
++ vxdprintk(VXD_CBIT(space, 9),
++ "vx_enter_space(%p[#%u],0x%08lx,%d) -> (%p,%p)",
++ vxi, vxi->vx_id, mask, index, proxy, fs);
++
++ task_lock(current);
++ fs_cur = current->fs;
++
++ if (mask & CLONE_FS) {
++ spin_lock(&fs_cur->lock);
++ current->fs = fs;
++ kill = !--fs_cur->users;
++ spin_unlock(&fs_cur->lock);
++ }
++
++ proxy_cur = current->nsproxy;
++ get_nsproxy(proxy_cur);
++ task_unlock(current);
++
++ if (kill)
++ free_fs_struct(fs_cur);
++
++ proxy_new = __vs_merge_nsproxy(proxy_cur, proxy, mask);
++ if (IS_ERR(proxy_new)) {
++ ret = PTR_ERR(proxy_new);
++ goto out_put;
++ }
++
++ proxy_new = xchg(&current->nsproxy, proxy_new);
++
++ if (mask & CLONE_NEWUSER) {
++ struct cred *cred;
++
++ vxdprintk(VXD_CBIT(space, 10),
++ "vx_enter_space(%p[#%u],%p) cred (%p,%p)",
++ vxi, vxi->vx_id, space->vx_cred,
++ current->real_cred, current->cred);
++
++ if (space->vx_cred) {
++ cred = __prepare_creds(space->vx_cred);
++ if (cred)
++ commit_creds(cred);
++ }
++ }
++
++ ret = 0;
++
++ if (proxy_new)
++ put_nsproxy(proxy_new);
++out_put:
++ if (proxy_cur)
++ put_nsproxy(proxy_cur);
++ return ret;
++}
++
++
++int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index)
++{
++ struct nsproxy *proxy_vxi, *proxy_cur, *proxy_new;
++ struct fs_struct *fs_vxi, *fs = NULL;
++ struct _vx_space *space;
++ int ret, kill = 0;
++
++ vxdprintk(VXD_CBIT(space, 8), "vx_set_space(%p[#%u],0x%08lx,%d)",
++ vxi, vxi->vx_id, mask, index);
++
++ if ((mask & space_mask.mask) != mask)
++ return -EINVAL;
++
++ if (index >= VX_SPACES)
++ return -EINVAL;
++
++ space = &vxi->space[index];
++
++ proxy_vxi = space->vx_nsproxy;
++ fs_vxi = space->vx_fs;
++
++ if (mask & CLONE_FS) {
++ fs = copy_fs_struct(current->fs);
++ if (!fs)
++ return -ENOMEM;
++ }
++
++ task_lock(current);
++
++ if (mask & CLONE_FS) {
++ spin_lock(&fs_vxi->lock);
++ space->vx_fs = fs;
++ kill = !--fs_vxi->users;
++ spin_unlock(&fs_vxi->lock);
++ }
++
++ proxy_cur = current->nsproxy;
++ get_nsproxy(proxy_cur);
++ task_unlock(current);
++
++ if (kill)
++ free_fs_struct(fs_vxi);
++
++ proxy_new = __vs_merge_nsproxy(proxy_vxi, proxy_cur, mask);
++ if (IS_ERR(proxy_new)) {
++ ret = PTR_ERR(proxy_new);
++ goto out_put;
++ }
++
++ proxy_new = xchg(&space->vx_nsproxy, proxy_new);
++ space->vx_nsmask |= mask;
++
++ if (mask & CLONE_NEWUSER) {
++ struct cred *cred;
++
++ vxdprintk(VXD_CBIT(space, 10),
++ "vx_set_space(%p[#%u],%p) cred (%p,%p)",
++ vxi, vxi->vx_id, space->vx_cred,
++ current->real_cred, current->cred);
++
++ cred = prepare_creds();
++ cred = (struct cred *)xchg(&space->vx_cred, cred);
++ if (cred)
++ abort_creds(cred);
++ }
++
++ ret = 0;
++
++ if (proxy_new)
++ put_nsproxy(proxy_new);
++out_put:
++ if (proxy_cur)
++ put_nsproxy(proxy_cur);
++ return ret;
++}
++
++
++int vc_enter_space_v1(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v1 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return vx_enter_space(vxi, vc_data.mask, 0);
++}
++
++int vc_enter_space(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v2 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if (vc_data.index >= VX_SPACES)
++ return -EINVAL;
++
++ return vx_enter_space(vxi, vc_data.mask, vc_data.index);
++}
++
++int vc_set_space_v1(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v1 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return vx_set_space(vxi, vc_data.mask, 0);
++}
++
++int vc_set_space(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v2 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if (vc_data.index >= VX_SPACES)
++ return -EINVAL;
++
++ return vx_set_space(vxi, vc_data.mask, vc_data.index);
++}
++
++int vc_get_space_mask(void __user *data, int type)
++{
++ const struct vcmd_space_mask_v1 *mask;
++
++ if (type == 0)
++ mask = &space_mask_v0;
++ else if (type == 1)
++ mask = &space_mask;
++ else
++ mask = &default_space_mask;
++
++ vxdprintk(VXD_CBIT(space, 10),
++ "vc_get_space_mask(%d) = %08llx", type, mask->mask);
++
++ if (copy_to_user(data, mask, sizeof(*mask)))
++ return -EFAULT;
++ return 0;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/switch.c linux-3.7.10-vs2.3.5.6/kernel/vserver/switch.c
+--- linux-3.7.10/kernel/vserver/switch.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/switch.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,556 @@
++/*
++ * linux/kernel/vserver/switch.c
++ *
++ * Virtual Server: Syscall Switch
++ *
++ * Copyright (C) 2003-2011 Herbert Pötzl
++ *
++ * V0.01 syscall switch
++ * V0.02 added signal to context
++ * V0.03 added rlimit functions
++ * V0.04 added iattr, task/xid functions
++ * V0.05 added debug/history stuff
++ * V0.06 added compat32 layer
++ * V0.07 vcmd args and perms
++ * V0.08 added status commands
++ * V0.09 added tag commands
++ * V0.10 added oom bias
++ * V0.11 added device commands
++ * V0.12 added warn mask
++ *
++ */
++
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vserver/switch.h>
++
++#include "vci_config.h"
++
++
++static inline
++int vc_get_version(uint32_t id)
++{
++ return VCI_VERSION;
++}
++
++static inline
++int vc_get_vci(uint32_t id)
++{
++ return vci_kernel_config();
++}
++
++#include <linux/vserver/context_cmd.h>
++#include <linux/vserver/cvirt_cmd.h>
++#include <linux/vserver/cacct_cmd.h>
++#include <linux/vserver/limit_cmd.h>
++#include <linux/vserver/network_cmd.h>
++#include <linux/vserver/sched_cmd.h>
++#include <linux/vserver/debug_cmd.h>
++#include <linux/vserver/inode_cmd.h>
++#include <linux/vserver/dlimit_cmd.h>
++#include <linux/vserver/signal_cmd.h>
++#include <linux/vserver/space_cmd.h>
++#include <linux/vserver/tag_cmd.h>
++#include <linux/vserver/device_cmd.h>
++
++#include <linux/vserver/inode.h>
++#include <linux/vserver/dlimit.h>
++
++
++#ifdef CONFIG_COMPAT
++#define __COMPAT(name, id, data, compat) \
++ (compat) ? name ## _x32(id, data) : name(id, data)
++#define __COMPAT_NO_ID(name, data, compat) \
++ (compat) ? name ## _x32(data) : name(data)
++#else
++#define __COMPAT(name, id, data, compat) \
++ name(id, data)
++#define __COMPAT_NO_ID(name, data, compat) \
++ name(data)
++#endif
++
++
++static inline
++long do_vcmd(uint32_t cmd, uint32_t id,
++ struct vx_info *vxi, struct nx_info *nxi,
++ void __user *data, int compat)
++{
++ switch (cmd) {
++
++ case VCMD_get_version:
++ return vc_get_version(id);
++ case VCMD_get_vci:
++ return vc_get_vci(id);
++
++ case VCMD_task_xid:
++ return vc_task_xid(id);
++ case VCMD_vx_info:
++ return vc_vx_info(vxi, data);
++
++ case VCMD_task_nid:
++ return vc_task_nid(id);
++ case VCMD_nx_info:
++ return vc_nx_info(nxi, data);
++
++ case VCMD_task_tag:
++ return vc_task_tag(id);
++
++ case VCMD_set_space_v1:
++ return vc_set_space_v1(vxi, data);
++ /* this is version 2 */
++ case VCMD_set_space:
++ return vc_set_space(vxi, data);
++
++ case VCMD_get_space_mask_v0:
++ return vc_get_space_mask(data, 0);
++ /* this is version 1 */
++ case VCMD_get_space_mask:
++ return vc_get_space_mask(data, 1);
++
++ case VCMD_get_space_default:
++ return vc_get_space_mask(data, -1);
++
++ case VCMD_set_umask:
++ return vc_set_umask(vxi, data);
++
++ case VCMD_get_umask:
++ return vc_get_umask(vxi, data);
++
++ case VCMD_set_wmask:
++ return vc_set_wmask(vxi, data);
++
++ case VCMD_get_wmask:
++ return vc_get_wmask(vxi, data);
++#ifdef CONFIG_IA32_EMULATION
++ case VCMD_get_rlimit:
++ return __COMPAT(vc_get_rlimit, vxi, data, compat);
++ case VCMD_set_rlimit:
++ return __COMPAT(vc_set_rlimit, vxi, data, compat);
++#else
++ case VCMD_get_rlimit:
++ return vc_get_rlimit(vxi, data);
++ case VCMD_set_rlimit:
++ return vc_set_rlimit(vxi, data);
++#endif
++ case VCMD_get_rlimit_mask:
++ return vc_get_rlimit_mask(id, data);
++ case VCMD_reset_hits:
++ return vc_reset_hits(vxi, data);
++ case VCMD_reset_minmax:
++ return vc_reset_minmax(vxi, data);
++
++ case VCMD_get_vhi_name:
++ return vc_get_vhi_name(vxi, data);
++ case VCMD_set_vhi_name:
++ return vc_set_vhi_name(vxi, data);
++
++ case VCMD_ctx_stat:
++ return vc_ctx_stat(vxi, data);
++ case VCMD_virt_stat:
++ return vc_virt_stat(vxi, data);
++ case VCMD_sock_stat:
++ return vc_sock_stat(vxi, data);
++ case VCMD_rlimit_stat:
++ return vc_rlimit_stat(vxi, data);
++
++ case VCMD_set_cflags:
++ return vc_set_cflags(vxi, data);
++ case VCMD_get_cflags:
++ return vc_get_cflags(vxi, data);
++
++ /* this is version 1 */
++ case VCMD_set_ccaps:
++ return vc_set_ccaps(vxi, data);
++ /* this is version 1 */
++ case VCMD_get_ccaps:
++ return vc_get_ccaps(vxi, data);
++ case VCMD_set_bcaps:
++ return vc_set_bcaps(vxi, data);
++ case VCMD_get_bcaps:
++ return vc_get_bcaps(vxi, data);
++
++ case VCMD_set_badness:
++ return vc_set_badness(vxi, data);
++ case VCMD_get_badness:
++ return vc_get_badness(vxi, data);
++
++ case VCMD_set_nflags:
++ return vc_set_nflags(nxi, data);
++ case VCMD_get_nflags:
++ return vc_get_nflags(nxi, data);
++
++ case VCMD_set_ncaps:
++ return vc_set_ncaps(nxi, data);
++ case VCMD_get_ncaps:
++ return vc_get_ncaps(nxi, data);
++
++ case VCMD_set_prio_bias:
++ return vc_set_prio_bias(vxi, data);
++ case VCMD_get_prio_bias:
++ return vc_get_prio_bias(vxi, data);
++ case VCMD_add_dlimit:
++ return __COMPAT(vc_add_dlimit, id, data, compat);
++ case VCMD_rem_dlimit:
++ return __COMPAT(vc_rem_dlimit, id, data, compat);
++ case VCMD_set_dlimit:
++ return __COMPAT(vc_set_dlimit, id, data, compat);
++ case VCMD_get_dlimit:
++ return __COMPAT(vc_get_dlimit, id, data, compat);
++
++ case VCMD_ctx_kill:
++ return vc_ctx_kill(vxi, data);
++
++ case VCMD_wait_exit:
++ return vc_wait_exit(vxi, data);
++
++ case VCMD_get_iattr:
++ return __COMPAT_NO_ID(vc_get_iattr, data, compat);
++ case VCMD_set_iattr:
++ return __COMPAT_NO_ID(vc_set_iattr, data, compat);
++
++ case VCMD_fget_iattr:
++ return vc_fget_iattr(id, data);
++ case VCMD_fset_iattr:
++ return vc_fset_iattr(id, data);
++
++ case VCMD_enter_space_v0:
++ return vc_enter_space_v1(vxi, NULL);
++ case VCMD_enter_space_v1:
++ return vc_enter_space_v1(vxi, data);
++ /* this is version 2 */
++ case VCMD_enter_space:
++ return vc_enter_space(vxi, data);
++
++ case VCMD_ctx_create_v0:
++ return vc_ctx_create(id, NULL);
++ case VCMD_ctx_create:
++ return vc_ctx_create(id, data);
++ case VCMD_ctx_migrate_v0:
++ return vc_ctx_migrate(vxi, NULL);
++ case VCMD_ctx_migrate:
++ return vc_ctx_migrate(vxi, data);
++
++ case VCMD_net_create_v0:
++ return vc_net_create(id, NULL);
++ case VCMD_net_create:
++ return vc_net_create(id, data);
++ case VCMD_net_migrate:
++ return vc_net_migrate(nxi, data);
++
++ case VCMD_tag_migrate:
++ return vc_tag_migrate(id);
++
++ case VCMD_net_add:
++ return vc_net_add(nxi, data);
++ case VCMD_net_remove:
++ return vc_net_remove(nxi, data);
++
++ case VCMD_net_add_ipv4_v1:
++ return vc_net_add_ipv4_v1(nxi, data);
++ /* this is version 2 */
++ case VCMD_net_add_ipv4:
++ return vc_net_add_ipv4(nxi, data);
++
++ case VCMD_net_rem_ipv4_v1:
++ return vc_net_rem_ipv4_v1(nxi, data);
++ /* this is version 2 */
++ case VCMD_net_rem_ipv4:
++ return vc_net_rem_ipv4(nxi, data);
++#ifdef CONFIG_IPV6
++ case VCMD_net_add_ipv6:
++ return vc_net_add_ipv6(nxi, data);
++ case VCMD_net_remove_ipv6:
++ return vc_net_remove_ipv6(nxi, data);
++#endif
++/* case VCMD_add_match_ipv4:
++ return vc_add_match_ipv4(nxi, data);
++ case VCMD_get_match_ipv4:
++ return vc_get_match_ipv4(nxi, data);
++#ifdef CONFIG_IPV6
++ case VCMD_add_match_ipv6:
++ return vc_add_match_ipv6(nxi, data);
++ case VCMD_get_match_ipv6:
++ return vc_get_match_ipv6(nxi, data);
++#endif */
++
++#ifdef CONFIG_VSERVER_DEVICE
++ case VCMD_set_mapping:
++ return __COMPAT(vc_set_mapping, vxi, data, compat);
++ case VCMD_unset_mapping:
++ return __COMPAT(vc_unset_mapping, vxi, data, compat);
++#endif
++#ifdef CONFIG_VSERVER_HISTORY
++ case VCMD_dump_history:
++ return vc_dump_history(id);
++ case VCMD_read_history:
++ return __COMPAT(vc_read_history, id, data, compat);
++#endif
++ default:
++ vxwprintk_task(1, "unimplemented VCMD_%02d_%d[%d]",
++ VC_CATEGORY(cmd), VC_COMMAND(cmd), VC_VERSION(cmd));
++ }
++ return -ENOSYS;
++}
++
++
++#define __VCMD(vcmd, _perm, _args, _flags) \
++ case VCMD_ ## vcmd: perm = _perm; \
++ args = _args; flags = _flags; break
++
++
++#define VCA_NONE 0x00
++#define VCA_VXI 0x01
++#define VCA_NXI 0x02
++
++#define VCF_NONE 0x00
++#define VCF_INFO 0x01
++#define VCF_ADMIN 0x02
++#define VCF_ARES 0x06 /* includes admin */
++#define VCF_SETUP 0x08
++
++#define VCF_ZIDOK 0x10 /* zero id okay */
++
++
++static inline
++long do_vserver(uint32_t cmd, uint32_t id, void __user *data, int compat)
++{
++ long ret;
++ int permit = -1, state = 0;
++ int perm = -1, args = 0, flags = 0;
++ struct vx_info *vxi = NULL;
++ struct nx_info *nxi = NULL;
++
++ switch (cmd) {
++ /* unpriviledged commands */
++ __VCMD(get_version, 0, VCA_NONE, 0);
++ __VCMD(get_vci, 0, VCA_NONE, 0);
++ __VCMD(get_rlimit_mask, 0, VCA_NONE, 0);
++ __VCMD(get_space_mask_v0,0, VCA_NONE, 0);
++ __VCMD(get_space_mask, 0, VCA_NONE, 0);
++ __VCMD(get_space_default,0, VCA_NONE, 0);
++
++ /* info commands */
++ __VCMD(task_xid, 2, VCA_NONE, 0);
++ __VCMD(reset_hits, 2, VCA_VXI, 0);
++ __VCMD(reset_minmax, 2, VCA_VXI, 0);
++ __VCMD(vx_info, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_bcaps, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_ccaps, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_cflags, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_umask, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_wmask, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_badness, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_vhi_name, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_rlimit, 3, VCA_VXI, VCF_INFO);
++
++ __VCMD(ctx_stat, 3, VCA_VXI, VCF_INFO);
++ __VCMD(virt_stat, 3, VCA_VXI, VCF_INFO);
++ __VCMD(sock_stat, 3, VCA_VXI, VCF_INFO);
++ __VCMD(rlimit_stat, 3, VCA_VXI, VCF_INFO);
++
++ __VCMD(task_nid, 2, VCA_NONE, 0);
++ __VCMD(nx_info, 3, VCA_NXI, VCF_INFO);
++ __VCMD(get_ncaps, 3, VCA_NXI, VCF_INFO);
++ __VCMD(get_nflags, 3, VCA_NXI, VCF_INFO);
++
++ __VCMD(task_tag, 2, VCA_NONE, 0);
++
++ __VCMD(get_iattr, 2, VCA_NONE, 0);
++ __VCMD(fget_iattr, 2, VCA_NONE, 0);
++ __VCMD(get_dlimit, 3, VCA_NONE, VCF_INFO);
++ __VCMD(get_prio_bias, 3, VCA_VXI, VCF_INFO);
++
++ /* lower admin commands */
++ __VCMD(wait_exit, 4, VCA_VXI, VCF_INFO);
++ __VCMD(ctx_create_v0, 5, VCA_NONE, 0);
++ __VCMD(ctx_create, 5, VCA_NONE, 0);
++ __VCMD(ctx_migrate_v0, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(ctx_migrate, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(enter_space_v0, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(enter_space_v1, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(enter_space, 5, VCA_VXI, VCF_ADMIN);
++
++ __VCMD(net_create_v0, 5, VCA_NONE, 0);
++ __VCMD(net_create, 5, VCA_NONE, 0);
++ __VCMD(net_migrate, 5, VCA_NXI, VCF_ADMIN);
++
++ __VCMD(tag_migrate, 5, VCA_NONE, VCF_ADMIN);
++
++ /* higher admin commands */
++ __VCMD(ctx_kill, 6, VCA_VXI, VCF_ARES);
++ __VCMD(set_space_v1, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_space, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++
++ __VCMD(set_ccaps, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_bcaps, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_cflags, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_umask, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_wmask, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_badness, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++
++ __VCMD(set_vhi_name, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_rlimit, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_prio_bias, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++
++ __VCMD(set_ncaps, 7, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_nflags, 7, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_add, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_remove, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_add_ipv4_v1, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_rem_ipv4_v1, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_add_ipv4, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_rem_ipv4, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++#ifdef CONFIG_IPV6
++ __VCMD(net_add_ipv6, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_remove_ipv6, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++#endif
++ __VCMD(set_iattr, 7, VCA_NONE, 0);
++ __VCMD(fset_iattr, 7, VCA_NONE, 0);
++ __VCMD(set_dlimit, 7, VCA_NONE, VCF_ARES);
++ __VCMD(add_dlimit, 8, VCA_NONE, VCF_ARES);
++ __VCMD(rem_dlimit, 8, VCA_NONE, VCF_ARES);
++
++#ifdef CONFIG_VSERVER_DEVICE
++ __VCMD(set_mapping, 8, VCA_VXI, VCF_ARES|VCF_ZIDOK);
++ __VCMD(unset_mapping, 8, VCA_VXI, VCF_ARES|VCF_ZIDOK);
++#endif
++ /* debug level admin commands */
++#ifdef CONFIG_VSERVER_HISTORY
++ __VCMD(dump_history, 9, VCA_NONE, 0);
++ __VCMD(read_history, 9, VCA_NONE, 0);
++#endif
++
++ default:
++ perm = -1;
++ }
++
++ vxdprintk(VXD_CBIT(switch, 0),
++ "vc: VCMD_%02d_%d[%d], %d,%p [%d,%d,%x,%x]",
++ VC_CATEGORY(cmd), VC_COMMAND(cmd),
++ VC_VERSION(cmd), id, data, compat,
++ perm, args, flags);
++
++ ret = -ENOSYS;
++ if (perm < 0)
++ goto out;
++
++ state = 1;
++ if (!capable(CAP_CONTEXT))
++ goto out;
++
++ state = 2;
++ /* moved here from the individual commands */
++ ret = -EPERM;
++ if ((perm > 1) && !capable(CAP_SYS_ADMIN))
++ goto out;
++
++ state = 3;
++ /* vcmd involves resource management */
++ ret = -EPERM;
++ if ((flags & VCF_ARES) && !capable(CAP_SYS_RESOURCE))
++ goto out;
++
++ state = 4;
++ /* various legacy exceptions */
++ switch (cmd) {
++ /* will go away when spectator is a cap */
++ case VCMD_ctx_migrate_v0:
++ case VCMD_ctx_migrate:
++ if (id == 1) {
++ current->xid = 1;
++ ret = 1;
++ goto out;
++ }
++ break;
++
++ /* will go away when spectator is a cap */
++ case VCMD_net_migrate:
++ if (id == 1) {
++ current->nid = 1;
++ ret = 1;
++ goto out;
++ }
++ break;
++ }
++
++ /* vcmds are fine by default */
++ permit = 1;
++
++ /* admin type vcmds require admin ... */
++ if (flags & VCF_ADMIN)
++ permit = vx_check(0, VS_ADMIN) ? 1 : 0;
++
++ /* ... but setup type vcmds override that */
++ if (!permit && (flags & VCF_SETUP))
++ permit = vx_flags(VXF_STATE_SETUP, 0) ? 2 : 0;
++
++ state = 5;
++ ret = -EPERM;
++ if (!permit)
++ goto out;
++
++ state = 6;
++ if (!id && (flags & VCF_ZIDOK))
++ goto skip_id;
++
++ ret = -ESRCH;
++ if (args & VCA_VXI) {
++ vxi = lookup_vx_info(id);
++ if (!vxi)
++ goto out;
++
++ if ((flags & VCF_ADMIN) &&
++ /* special case kill for shutdown */
++ (cmd != VCMD_ctx_kill) &&
++ /* can context be administrated? */
++ !vx_info_flags(vxi, VXF_STATE_ADMIN, 0)) {
++ ret = -EACCES;
++ goto out_vxi;
++ }
++ }
++ state = 7;
++ if (args & VCA_NXI) {
++ nxi = lookup_nx_info(id);
++ if (!nxi)
++ goto out_vxi;
++
++ if ((flags & VCF_ADMIN) &&
++ /* can context be administrated? */
++ !nx_info_flags(nxi, NXF_STATE_ADMIN, 0)) {
++ ret = -EACCES;
++ goto out_nxi;
++ }
++ }
++skip_id:
++ state = 8;
++ ret = do_vcmd(cmd, id, vxi, nxi, data, compat);
++
++out_nxi:
++ if ((args & VCA_NXI) && nxi)
++ put_nx_info(nxi);
++out_vxi:
++ if ((args & VCA_VXI) && vxi)
++ put_vx_info(vxi);
++out:
++ vxdprintk(VXD_CBIT(switch, 1),
++ "vc: VCMD_%02d_%d[%d] = %08lx(%ld) [%d,%d]",
++ VC_CATEGORY(cmd), VC_COMMAND(cmd),
++ VC_VERSION(cmd), ret, ret, state, permit);
++ return ret;
++}
++
++asmlinkage long
++sys_vserver(uint32_t cmd, uint32_t id, void __user *data)
++{
++ return do_vserver(cmd, id, data, 0);
++}
++
++#ifdef CONFIG_COMPAT
++
++asmlinkage long
++sys32_vserver(uint32_t cmd, uint32_t id, void __user *data)
++{
++ return do_vserver(cmd, id, data, 1);
++}
++
++#endif /* CONFIG_COMPAT */
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/sysctl.c linux-3.7.10-vs2.3.5.6/kernel/vserver/sysctl.c
+--- linux-3.7.10/kernel/vserver/sysctl.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/sysctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,247 @@
++/*
++ * kernel/vserver/sysctl.c
++ *
++ * Virtual Context Support
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ *
++ */
++
++#include <linux/module.h>
++#include <linux/ctype.h>
++#include <linux/sysctl.h>
++#include <linux/parser.h>
++#include <asm/uaccess.h>
++
++enum {
++ CTL_DEBUG_ERROR = 0,
++ CTL_DEBUG_SWITCH = 1,
++ CTL_DEBUG_XID,
++ CTL_DEBUG_NID,
++ CTL_DEBUG_TAG,
++ CTL_DEBUG_NET,
++ CTL_DEBUG_LIMIT,
++ CTL_DEBUG_CRES,
++ CTL_DEBUG_DLIM,
++ CTL_DEBUG_QUOTA,
++ CTL_DEBUG_CVIRT,
++ CTL_DEBUG_SPACE,
++ CTL_DEBUG_PERM,
++ CTL_DEBUG_MISC,
++};
++
++
++unsigned int vs_debug_switch = 0;
++unsigned int vs_debug_xid = 0;
++unsigned int vs_debug_nid = 0;
++unsigned int vs_debug_tag = 0;
++unsigned int vs_debug_net = 0;
++unsigned int vs_debug_limit = 0;
++unsigned int vs_debug_cres = 0;
++unsigned int vs_debug_dlim = 0;
++unsigned int vs_debug_quota = 0;
++unsigned int vs_debug_cvirt = 0;
++unsigned int vs_debug_space = 0;
++unsigned int vs_debug_perm = 0;
++unsigned int vs_debug_misc = 0;
++
++
++static struct ctl_table_header *vserver_table_header;
++static ctl_table vserver_root_table[];
++
++
++void vserver_register_sysctl(void)
++{
++ if (!vserver_table_header) {
++ vserver_table_header = register_sysctl_table(vserver_root_table);
++ }
++
++}
++
++void vserver_unregister_sysctl(void)
++{
++ if (vserver_table_header) {
++ unregister_sysctl_table(vserver_table_header);
++ vserver_table_header = NULL;
++ }
++}
++
++
++static int proc_dodebug(ctl_table *table, int write,
++ void __user *buffer, size_t *lenp, loff_t *ppos)
++{
++ char tmpbuf[20], *p, c;
++ unsigned int value;
++ size_t left, len;
++
++ if ((*ppos && !write) || !*lenp) {
++ *lenp = 0;
++ return 0;
++ }
++
++ left = *lenp;
++
++ if (write) {
++ if (!access_ok(VERIFY_READ, buffer, left))
++ return -EFAULT;
++ p = (char *)buffer;
++ while (left && __get_user(c, p) >= 0 && isspace(c))
++ left--, p++;
++ if (!left)
++ goto done;
++
++ if (left > sizeof(tmpbuf) - 1)
++ return -EINVAL;
++ if (copy_from_user(tmpbuf, p, left))
++ return -EFAULT;
++ tmpbuf[left] = '\0';
++
++ for (p = tmpbuf, value = 0; '0' <= *p && *p <= '9'; p++, left--)
++ value = 10 * value + (*p - '0');
++ if (*p && !isspace(*p))
++ return -EINVAL;
++ while (left && isspace(*p))
++ left--, p++;
++ *(unsigned int *)table->data = value;
++ } else {
++ if (!access_ok(VERIFY_WRITE, buffer, left))
++ return -EFAULT;
++ len = sprintf(tmpbuf, "%d", *(unsigned int *)table->data);
++ if (len > left)
++ len = left;
++ if (__copy_to_user(buffer, tmpbuf, len))
++ return -EFAULT;
++ if ((left -= len) > 0) {
++ if (put_user('\n', (char *)buffer + len))
++ return -EFAULT;
++ left--;
++ }
++ }
++
++done:
++ *lenp -= left;
++ *ppos += *lenp;
++ return 0;
++}
++
++static int zero;
++
++#define CTL_ENTRY(ctl, name) \
++ { \
++ .procname = #name, \
++ .data = &vs_ ## name, \
++ .maxlen = sizeof(int), \
++ .mode = 0644, \
++ .proc_handler = &proc_dodebug, \
++ .extra1 = &zero, \
++ .extra2 = &zero, \
++ }
++
++static ctl_table vserver_debug_table[] = {
++ CTL_ENTRY(CTL_DEBUG_SWITCH, debug_switch),
++ CTL_ENTRY(CTL_DEBUG_XID, debug_xid),
++ CTL_ENTRY(CTL_DEBUG_NID, debug_nid),
++ CTL_ENTRY(CTL_DEBUG_TAG, debug_tag),
++ CTL_ENTRY(CTL_DEBUG_NET, debug_net),
++ CTL_ENTRY(CTL_DEBUG_LIMIT, debug_limit),
++ CTL_ENTRY(CTL_DEBUG_CRES, debug_cres),
++ CTL_ENTRY(CTL_DEBUG_DLIM, debug_dlim),
++ CTL_ENTRY(CTL_DEBUG_QUOTA, debug_quota),
++ CTL_ENTRY(CTL_DEBUG_CVIRT, debug_cvirt),
++ CTL_ENTRY(CTL_DEBUG_SPACE, debug_space),
++ CTL_ENTRY(CTL_DEBUG_PERM, debug_perm),
++ CTL_ENTRY(CTL_DEBUG_MISC, debug_misc),
++ { 0 }
++};
++
++static ctl_table vserver_root_table[] = {
++ {
++ .procname = "vserver",
++ .mode = 0555,
++ .child = vserver_debug_table
++ },
++ { 0 }
++};
++
++
++static match_table_t tokens = {
++ { CTL_DEBUG_SWITCH, "switch=%x" },
++ { CTL_DEBUG_XID, "xid=%x" },
++ { CTL_DEBUG_NID, "nid=%x" },
++ { CTL_DEBUG_TAG, "tag=%x" },
++ { CTL_DEBUG_NET, "net=%x" },
++ { CTL_DEBUG_LIMIT, "limit=%x" },
++ { CTL_DEBUG_CRES, "cres=%x" },
++ { CTL_DEBUG_DLIM, "dlim=%x" },
++ { CTL_DEBUG_QUOTA, "quota=%x" },
++ { CTL_DEBUG_CVIRT, "cvirt=%x" },
++ { CTL_DEBUG_SPACE, "space=%x" },
++ { CTL_DEBUG_PERM, "perm=%x" },
++ { CTL_DEBUG_MISC, "misc=%x" },
++ { CTL_DEBUG_ERROR, NULL }
++};
++
++#define HANDLE_CASE(id, name, val) \
++ case CTL_DEBUG_ ## id: \
++ vs_debug_ ## name = val; \
++ printk("vs_debug_" #name "=0x%x\n", val); \
++ break
++
++
++static int __init vs_debug_setup(char *str)
++{
++ char *p;
++ int token;
++
++ printk("vs_debug_setup(%s)\n", str);
++ while ((p = strsep(&str, ",")) != NULL) {
++ substring_t args[MAX_OPT_ARGS];
++ unsigned int value;
++
++ if (!*p)
++ continue;
++
++ token = match_token(p, tokens, args);
++ value = (token > 0) ? simple_strtoul(args[0].from, NULL, 0) : 0;
++
++ switch (token) {
++ HANDLE_CASE(SWITCH, switch, value);
++ HANDLE_CASE(XID, xid, value);
++ HANDLE_CASE(NID, nid, value);
++ HANDLE_CASE(TAG, tag, value);
++ HANDLE_CASE(NET, net, value);
++ HANDLE_CASE(LIMIT, limit, value);
++ HANDLE_CASE(CRES, cres, value);
++ HANDLE_CASE(DLIM, dlim, value);
++ HANDLE_CASE(QUOTA, quota, value);
++ HANDLE_CASE(CVIRT, cvirt, value);
++ HANDLE_CASE(SPACE, space, value);
++ HANDLE_CASE(PERM, perm, value);
++ HANDLE_CASE(MISC, misc, value);
++ default:
++ return -EINVAL;
++ break;
++ }
++ }
++ return 1;
++}
++
++__setup("vsdebug=", vs_debug_setup);
++
++
++
++EXPORT_SYMBOL_GPL(vs_debug_switch);
++EXPORT_SYMBOL_GPL(vs_debug_xid);
++EXPORT_SYMBOL_GPL(vs_debug_nid);
++EXPORT_SYMBOL_GPL(vs_debug_net);
++EXPORT_SYMBOL_GPL(vs_debug_limit);
++EXPORT_SYMBOL_GPL(vs_debug_cres);
++EXPORT_SYMBOL_GPL(vs_debug_dlim);
++EXPORT_SYMBOL_GPL(vs_debug_quota);
++EXPORT_SYMBOL_GPL(vs_debug_cvirt);
++EXPORT_SYMBOL_GPL(vs_debug_space);
++EXPORT_SYMBOL_GPL(vs_debug_perm);
++EXPORT_SYMBOL_GPL(vs_debug_misc);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/tag.c linux-3.7.10-vs2.3.5.6/kernel/vserver/tag.c
+--- linux-3.7.10/kernel/vserver/tag.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/tag.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,63 @@
++/*
++ * linux/kernel/vserver/tag.c
++ *
++ * Virtual Server: Shallow Tag Space
++ *
++ * Copyright (C) 2007 Herbert Pötzl
++ *
++ * V0.01 basic implementation
++ *
++ */
++
++#include <linux/sched.h>
++#include <linux/vserver/debug.h>
++#include <linux/vs_pid.h>
++#include <linux/vs_tag.h>
++
++#include <linux/vserver/tag_cmd.h>
++
++
++int dx_migrate_task(struct task_struct *p, tag_t tag)
++{
++ if (!p)
++ BUG();
++
++ vxdprintk(VXD_CBIT(tag, 5),
++ "dx_migrate_task(%p[#%d],#%d)", p, p->tag, tag);
++
++ task_lock(p);
++ p->tag = tag;
++ task_unlock(p);
++
++ vxdprintk(VXD_CBIT(tag, 5),
++ "moved task %p into [#%d]", p, tag);
++ return 0;
++}
++
++/* vserver syscall commands below here */
++
++/* taks xid and vx_info functions */
++
++
++int vc_task_tag(uint32_t id)
++{
++ tag_t tag;
++
++ if (id) {
++ struct task_struct *tsk;
++ rcu_read_lock();
++ tsk = find_task_by_real_pid(id);
++ tag = (tsk) ? tsk->tag : -ESRCH;
++ rcu_read_unlock();
++ } else
++ tag = dx_current_tag();
++ return tag;
++}
++
++
++int vc_tag_migrate(uint32_t tag)
++{
++ return dx_migrate_task(current, tag & 0xFFFF);
++}
++
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/vci_config.h linux-3.7.10-vs2.3.5.6/kernel/vserver/vci_config.h
+--- linux-3.7.10/kernel/vserver/vci_config.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/vci_config.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,80 @@
++
++/* interface version */
++
++#define VCI_VERSION 0x00020308
++
++
++enum {
++ VCI_KCBIT_NO_DYNAMIC = 0,
++
++ VCI_KCBIT_PROC_SECURE = 4,
++ /* VCI_KCBIT_HARDCPU = 5, */
++ /* VCI_KCBIT_IDLELIMIT = 6, */
++ /* VCI_KCBIT_IDLETIME = 7, */
++
++ VCI_KCBIT_COWBL = 8,
++ VCI_KCBIT_FULLCOWBL = 9,
++ VCI_KCBIT_SPACES = 10,
++ VCI_KCBIT_NETV2 = 11,
++ VCI_KCBIT_MEMCG = 12,
++ VCI_KCBIT_MEMCG_SWAP = 13,
++
++ VCI_KCBIT_DEBUG = 16,
++ VCI_KCBIT_HISTORY = 20,
++ VCI_KCBIT_TAGGED = 24,
++ VCI_KCBIT_PPTAG = 28,
++
++ VCI_KCBIT_MORE = 31,
++};
++
++
++static inline uint32_t vci_kernel_config(void)
++{
++ return
++ (1 << VCI_KCBIT_NO_DYNAMIC) |
++
++ /* configured features */
++#ifdef CONFIG_VSERVER_PROC_SECURE
++ (1 << VCI_KCBIT_PROC_SECURE) |
++#endif
++#ifdef CONFIG_VSERVER_COWBL
++ (1 << VCI_KCBIT_COWBL) |
++ (1 << VCI_KCBIT_FULLCOWBL) |
++#endif
++ (1 << VCI_KCBIT_SPACES) |
++ (1 << VCI_KCBIT_NETV2) |
++#ifdef CONFIG_MEMCG
++ (1 << VCI_KCBIT_MEMCG) |
++#endif
++#ifdef CONFIG_MEMCG_SWAP
++ (1 << VCI_KCBIT_MEMCG_SWAP) |
++#endif
++
++ /* debug options */
++#ifdef CONFIG_VSERVER_DEBUG
++ (1 << VCI_KCBIT_DEBUG) |
++#endif
++#ifdef CONFIG_VSERVER_HISTORY
++ (1 << VCI_KCBIT_HISTORY) |
++#endif
++
++ /* inode context tagging */
++#if defined(CONFIG_TAGGING_NONE)
++ (0 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_UID16)
++ (1 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_GID16)
++ (2 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_ID24)
++ (3 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_INTERN)
++ (4 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_RUNTIME)
++ (5 << VCI_KCBIT_TAGGED) |
++#else
++ (7 << VCI_KCBIT_TAGGED) |
++#endif
++ (1 << VCI_KCBIT_PPTAG) |
++ 0;
++}
++
+diff -NurpP --minimal linux-3.7.10/mm/memcontrol.c linux-3.7.10-vs2.3.5.6/mm/memcontrol.c
+--- linux-3.7.10/mm/memcontrol.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/memcontrol.c 2012-12-18 15:13:16.000000000 +0000
+@@ -884,6 +884,31 @@ struct mem_cgroup *mem_cgroup_from_task(
+ return mem_cgroup_from_css(task_subsys_state(p, mem_cgroup_subsys_id));
+ }
+
++u64 mem_cgroup_res_read_u64(struct mem_cgroup *mem, int member)
++{
++ return res_counter_read_u64(&mem->res, member);
++}
++
++u64 mem_cgroup_memsw_read_u64(struct mem_cgroup *mem, int member)
++{
++ return res_counter_read_u64(&mem->memsw, member);
++}
++
++s64 mem_cgroup_stat_read_cache(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_CACHE);
++}
++
++s64 mem_cgroup_stat_read_anon(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_RSS);
++}
++
++s64 mem_cgroup_stat_read_mapped(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_FILE_MAPPED);
++}
++
+ struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm)
+ {
+ struct mem_cgroup *memcg = NULL;
+diff -NurpP --minimal linux-3.7.10/mm/oom_kill.c linux-3.7.10-vs2.3.5.6/mm/oom_kill.c
+--- linux-3.7.10/mm/oom_kill.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/oom_kill.c 2012-12-18 15:13:16.000000000 +0000
+@@ -35,6 +35,8 @@
+ #include <linux/freezer.h>
+ #include <linux/ftrace.h>
+ #include <linux/ratelimit.h>
++#include <linux/reboot.h>
++#include <linux/vs_context.h>
+
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/oom.h>
+@@ -155,11 +157,18 @@ struct task_struct *find_lock_task_mm(st
+ static bool oom_unkillable_task(struct task_struct *p,
+ const struct mem_cgroup *memcg, const nodemask_t *nodemask)
+ {
+- if (is_global_init(p))
++ unsigned xid = vx_current_xid();
++
++ /* skip the init task, global and per guest */
++ if (task_is_init(p))
+ return true;
+ if (p->flags & PF_KTHREAD)
+ return true;
+
++ /* skip other guest and host processes if oom in guest */
++ if (xid && vx_task_xid(p) != xid)
++ return true;
++
+ /* When mem_cgroup_out_of_memory() and p is not member of the group */
+ if (memcg && !task_in_mem_cgroup(p, memcg))
+ return true;
+@@ -472,8 +481,8 @@ void oom_kill_process(struct task_struct
+ dump_header(p, gfp_mask, order, memcg, nodemask);
+
+ task_lock(p);
+- pr_err("%s: Kill process %d (%s) score %d or sacrifice child\n",
+- message, task_pid_nr(p), p->comm, points);
++ pr_err("%s: Kill process %d:#%u (%s) score %d or sacrifice child\n",
++ message, task_pid_nr(p), p->xid, p->comm, points);
+ task_unlock(p);
+
+ /*
+@@ -518,8 +527,8 @@ void oom_kill_process(struct task_struct
+
+ /* mm cannot safely be dereferenced after task_unlock(victim) */
+ mm = victim->mm;
+- pr_err("Killed process %d (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
+- task_pid_nr(victim), victim->comm, K(victim->mm->total_vm),
++ pr_err("Killed process %d:#%u (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
++ task_pid_nr(victim), victim->xid, victim->comm, K(victim->mm->total_vm),
+ K(get_mm_counter(victim->mm, MM_ANONPAGES)),
+ K(get_mm_counter(victim->mm, MM_FILEPAGES)));
+ task_unlock(victim);
+@@ -589,6 +598,8 @@ int unregister_oom_notifier(struct notif
+ }
+ EXPORT_SYMBOL_GPL(unregister_oom_notifier);
+
++long vs_oom_action(unsigned int);
++
+ /*
+ * Try to acquire the OOM killer lock for the zones in zonelist. Returns zero
+ * if a parallel OOM killing is already taking place that includes a zone in
+@@ -738,7 +749,12 @@ void out_of_memory(struct zonelist *zone
+ /* Found nothing?!?! Either we hang forever, or we panic. */
+ if (!p) {
+ dump_header(NULL, gfp_mask, order, NULL, mpol_mask);
+- panic("Out of memory and no killable processes...\n");
++
++ /* avoid panic for guest OOM */
++ if (vx_current_xid())
++ vs_oom_action(LINUX_REBOOT_CMD_OOM);
++ else
++ panic("Out of memory and no killable processes...\n");
+ }
+ if (PTR_ERR(p) != -1UL) {
+ oom_kill_process(p, gfp_mask, order, points, totalpages, NULL,
+diff -NurpP --minimal linux-3.7.10/mm/page_alloc.c linux-3.7.10-vs2.3.5.6/mm/page_alloc.c
+--- linux-3.7.10/mm/page_alloc.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/page_alloc.c 2013-03-02 15:26:03.000000000 +0000
+@@ -58,6 +58,8 @@
+ #include <linux/prefetch.h>
+ #include <linux/migrate.h>
+ #include <linux/page-debug-flags.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/tlbflush.h>
+ #include <asm/div64.h>
+@@ -2813,6 +2815,9 @@ void si_meminfo(struct sysinfo *val)
+ val->totalhigh = totalhigh_pages;
+ val->freehigh = nr_free_highpages();
+ val->mem_unit = PAGE_SIZE;
++
++ if (vx_flags(VXF_VIRT_MEM, 0))
++ vx_vsi_meminfo(val);
+ }
+
+ EXPORT_SYMBOL(si_meminfo);
+@@ -2833,6 +2838,9 @@ void si_meminfo_node(struct sysinfo *val
+ val->freehigh = 0;
+ #endif
+ val->mem_unit = PAGE_SIZE;
++
++ if (vx_flags(VXF_VIRT_MEM, 0))
++ vx_vsi_meminfo(val);
+ }
+ #endif
+
+diff -NurpP --minimal linux-3.7.10/mm/pgtable-generic.c linux-3.7.10-vs2.3.5.6/mm/pgtable-generic.c
+--- linux-3.7.10/mm/pgtable-generic.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/pgtable-generic.c 2012-12-18 15:13:16.000000000 +0000
+@@ -6,6 +6,8 @@
+ * Copyright (C) 2010 Linus Torvalds
+ */
+
++#include <linux/mm.h>
++
+ #include <linux/pagemap.h>
+ #include <asm/tlb.h>
+ #include <asm-generic/pgtable.h>
+diff -NurpP --minimal linux-3.7.10/mm/shmem.c linux-3.7.10-vs2.3.5.6/mm/shmem.c
+--- linux-3.7.10/mm/shmem.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/shmem.c 2013-03-02 15:26:03.000000000 +0000
+@@ -1820,7 +1820,7 @@ static int shmem_statfs(struct dentry *d
+ {
+ struct shmem_sb_info *sbinfo = SHMEM_SB(dentry->d_sb);
+
+- buf->f_type = TMPFS_MAGIC;
++ buf->f_type = TMPFS_SUPER_MAGIC;
+ buf->f_bsize = PAGE_CACHE_SIZE;
+ buf->f_namelen = NAME_MAX;
+ if (sbinfo->max_blocks) {
+@@ -2510,7 +2510,7 @@ int shmem_fill_super(struct super_block
+ sb->s_maxbytes = MAX_LFS_FILESIZE;
+ sb->s_blocksize = PAGE_CACHE_SIZE;
+ sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+- sb->s_magic = TMPFS_MAGIC;
++ sb->s_magic = TMPFS_SUPER_MAGIC;
+ sb->s_op = &shmem_ops;
+ sb->s_time_gran = 1;
+ #ifdef CONFIG_TMPFS_XATTR
+diff -NurpP --minimal linux-3.7.10/mm/slab.c linux-3.7.10-vs2.3.5.6/mm/slab.c
+--- linux-3.7.10/mm/slab.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/slab.c 2012-12-18 15:13:16.000000000 +0000
+@@ -445,6 +445,8 @@ static void kmem_list3_init(struct kmem_
+ #define STATS_INC_FREEMISS(x) do { } while (0)
+ #endif
+
++#include "slab_vs.h"
++
+ #if DEBUG
+
+ /*
+@@ -3479,6 +3481,7 @@ retry:
+
+ obj = slab_get_obj(cachep, slabp, nodeid);
+ check_slabp(cachep, slabp);
++ vx_slab_alloc(cachep, flags);
+ l3->free_objects--;
+ /* move slabp to correct slabp list: */
+ list_del(&slabp->list);
+@@ -3556,6 +3559,7 @@ slab_alloc_node(struct kmem_cache *cache
+ /* ___cache_alloc_node can fall back to other nodes */
+ ptr = ____cache_alloc_node(cachep, flags, nodeid);
+ out:
++ vx_slab_alloc(cachep, flags);
+ local_irq_restore(save_flags);
+ ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, caller);
+ kmemleak_alloc_recursive(ptr, cachep->object_size, 1, cachep->flags,
+@@ -3746,6 +3750,7 @@ static inline void __cache_free(struct k
+ check_irq_off();
+ kmemleak_free_recursive(objp, cachep->flags);
+ objp = cache_free_debugcheck(cachep, objp, caller);
++ vx_slab_free(cachep);
+
+ kmemcheck_slab_free(cachep, objp, cachep->object_size);
+
+diff -NurpP --minimal linux-3.7.10/mm/slab_vs.h linux-3.7.10-vs2.3.5.6/mm/slab_vs.h
+--- linux-3.7.10/mm/slab_vs.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/slab_vs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,29 @@
++
++#include <linux/vserver/context.h>
++
++#include <linux/vs_context.h>
++
++static inline
++void vx_slab_alloc(struct kmem_cache *cachep, gfp_t flags)
++{
++ int what = gfp_zone(cachep->allocflags);
++ struct vx_info *vxi = current_vx_info();
++
++ if (!vxi)
++ return;
++
++ atomic_add(cachep->size, &vxi->cacct.slab[what]);
++}
++
++static inline
++void vx_slab_free(struct kmem_cache *cachep)
++{
++ int what = gfp_zone(cachep->allocflags);
++ struct vx_info *vxi = current_vx_info();
++
++ if (!vxi)
++ return;
++
++ atomic_sub(cachep->size, &vxi->cacct.slab[what]);
++}
++
+diff -NurpP --minimal linux-3.7.10/mm/swapfile.c linux-3.7.10-vs2.3.5.6/mm/swapfile.c
+--- linux-3.7.10/mm/swapfile.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/swapfile.c 2012-12-18 15:13:16.000000000 +0000
+@@ -39,6 +39,7 @@
+ #include <asm/tlbflush.h>
+ #include <linux/swapops.h>
+ #include <linux/page_cgroup.h>
++#include <linux/vs_base.h>
+
+ static bool swap_count_continued(struct swap_info_struct *, pgoff_t,
+ unsigned char);
+@@ -1685,6 +1686,16 @@ static int swap_show(struct seq_file *sw
+
+ if (si == SEQ_START_TOKEN) {
+ seq_puts(swap,"Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n");
++ if (vx_flags(VXF_VIRT_MEM, 0)) {
++ struct sysinfo si;
++
++ vx_vsi_swapinfo(&si);
++ if (si.totalswap < (1 << 10))
++ return 0;
++ seq_printf(swap, "%s\t\t\t\t\t%s\t%lu\t%lu\t%d\n",
++ "hdv0", "partition", si.totalswap >> 10,
++ (si.totalswap - si.freeswap) >> 10, -1);
++ }
+ return 0;
+ }
+
+@@ -2112,6 +2123,8 @@ void si_swapinfo(struct sysinfo *val)
+ val->freeswap = nr_swap_pages + nr_to_be_unused;
+ val->totalswap = total_swap_pages + nr_to_be_unused;
+ spin_unlock(&swap_lock);
++ if (vx_flags(VXF_VIRT_MEM, 0))
++ vx_vsi_swapinfo(val);
+ }
+
+ /*
+diff -NurpP --minimal linux-3.7.10/net/bridge/br_multicast.c linux-3.7.10-vs2.3.5.6/net/bridge/br_multicast.c
+--- linux-3.7.10/net/bridge/br_multicast.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/bridge/br_multicast.c 2012-12-18 15:13:16.000000000 +0000
+@@ -447,7 +447,7 @@ static struct sk_buff *br_ip6_multicast_
+ ip6h->hop_limit = 1;
+ ipv6_addr_set(&ip6h->daddr, htonl(0xff020000), 0, 0, htonl(1));
+ if (ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
+- &ip6h->saddr)) {
++ &ip6h->saddr, NULL)) {
+ kfree_skb(skb);
+ return NULL;
+ }
+diff -NurpP --minimal linux-3.7.10/net/core/dev.c linux-3.7.10-vs2.3.5.6/net/core/dev.c
+--- linux-3.7.10/net/core/dev.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/core/dev.c 2013-02-19 14:41:41.000000000 +0000
+@@ -126,6 +126,7 @@
+ #include <linux/in.h>
+ #include <linux/jhash.h>
+ #include <linux/random.h>
++#include <linux/vs_inet.h>
+ #include <trace/events/napi.h>
+ #include <trace/events/net.h>
+ #include <trace/events/skb.h>
+@@ -620,7 +621,8 @@ struct net_device *__dev_get_by_name(str
+ struct hlist_head *head = dev_name_hash(net, name);
+
+ hlist_for_each_entry(dev, p, head, name_hlist)
+- if (!strncmp(dev->name, name, IFNAMSIZ))
++ if (!strncmp(dev->name, name, IFNAMSIZ) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -646,7 +648,8 @@ struct net_device *dev_get_by_name_rcu(s
+ struct hlist_head *head = dev_name_hash(net, name);
+
+ hlist_for_each_entry_rcu(dev, p, head, name_hlist)
+- if (!strncmp(dev->name, name, IFNAMSIZ))
++ if (!strncmp(dev->name, name, IFNAMSIZ) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -697,7 +700,8 @@ struct net_device *__dev_get_by_index(st
+ struct hlist_head *head = dev_index_hash(net, ifindex);
+
+ hlist_for_each_entry(dev, p, head, index_hlist)
+- if (dev->ifindex == ifindex)
++ if ((dev->ifindex == ifindex) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -715,7 +719,7 @@ EXPORT_SYMBOL(__dev_get_by_index);
+ * about locking. The caller must hold RCU lock.
+ */
+
+-struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex)
++struct net_device *dev_get_by_index_real_rcu(struct net *net, int ifindex)
+ {
+ struct hlist_node *p;
+ struct net_device *dev;
+@@ -727,6 +731,16 @@ struct net_device *dev_get_by_index_rcu(
+
+ return NULL;
+ }
++EXPORT_SYMBOL(dev_get_by_index_real_rcu);
++
++struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex)
++{
++ struct net_device *dev = dev_get_by_index_real_rcu(net, ifindex);
++
++ if (nx_dev_visible(current_nx_info(), dev))
++ return dev;
++ return NULL;
++}
+ EXPORT_SYMBOL(dev_get_by_index_rcu);
+
+
+@@ -775,7 +789,8 @@ struct net_device *dev_getbyhwaddr_rcu(s
+
+ for_each_netdev_rcu(net, dev)
+ if (dev->type == type &&
+- !memcmp(dev->dev_addr, ha, dev->addr_len))
++ !memcmp(dev->dev_addr, ha, dev->addr_len) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -787,9 +802,11 @@ struct net_device *__dev_getfirstbyhwtyp
+ struct net_device *dev;
+
+ ASSERT_RTNL();
+- for_each_netdev(net, dev)
+- if (dev->type == type)
++ for_each_netdev(net, dev) {
++ if ((dev->type == type) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
++ }
+
+ return NULL;
+ }
+@@ -907,6 +924,8 @@ static int __dev_alloc_name(struct net *
+ continue;
+ if (i < 0 || i >= max_netdevices)
+ continue;
++ if (!nx_dev_visible(current_nx_info(), d))
++ continue;
+
+ /* avoid cases where sscanf is not exact inverse of printf */
+ snprintf(buf, IFNAMSIZ, name, i);
+@@ -4129,6 +4148,8 @@ static int dev_ifconf(struct net *net, c
+
+ total = 0;
+ for_each_netdev(net, dev) {
++ if (!nx_dev_visible(current_nx_info(), dev))
++ continue;
+ for (i = 0; i < NPROTO; i++) {
+ if (gifconf_list[i]) {
+ int done;
+@@ -4231,6 +4252,10 @@ static void dev_seq_printf_stats(struct
+ struct rtnl_link_stats64 temp;
+ const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp);
+
++ /* device visible inside network context? */
++ if (!nx_dev_visible(current_nx_info(), dev))
++ return;
++
+ seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu "
+ "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n",
+ dev->name, stats->rx_bytes, stats->rx_packets,
+diff -NurpP --minimal linux-3.7.10/net/core/rtnetlink.c linux-3.7.10-vs2.3.5.6/net/core/rtnetlink.c
+--- linux-3.7.10/net/core/rtnetlink.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/core/rtnetlink.c 2012-12-18 15:13:16.000000000 +0000
+@@ -1080,6 +1080,8 @@ static int rtnl_dump_ifinfo(struct sk_bu
+ hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+ if (idx < s_idx)
+ goto cont;
++ if (!nx_dev_visible(skb->sk->sk_nx_info, dev))
++ continue;
+ if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, 0,
+@@ -1971,6 +1973,9 @@ void rtmsg_ifinfo(int type, struct net_d
+ int err = -ENOBUFS;
+ size_t if_info_size;
+
++ if (!nx_dev_visible(current_nx_info(), dev))
++ return;
++
+ skb = nlmsg_new((if_info_size = if_nlmsg_size(dev, 0)), GFP_KERNEL);
+ if (skb == NULL)
+ goto errout;
+diff -NurpP --minimal linux-3.7.10/net/core/sock.c linux-3.7.10-vs2.3.5.6/net/core/sock.c
+--- linux-3.7.10/net/core/sock.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/core/sock.c 2012-12-18 15:13:16.000000000 +0000
+@@ -132,6 +132,10 @@
+ #include <net/netprio_cgroup.h>
+
+ #include <linux/filter.h>
++#include <linux/vs_socket.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
+
+ #include <trace/events/sock.h>
+
+@@ -1183,6 +1187,8 @@ static struct sock *sk_prot_alloc(struct
+ goto out_free_sec;
+ sk_tx_queue_clear(sk);
+ }
++ sock_vx_init(sk);
++ sock_nx_init(sk);
+
+ return sk;
+
+@@ -1295,6 +1301,11 @@ static void __sk_free(struct sock *sk)
+ put_cred(sk->sk_peer_cred);
+ put_pid(sk->sk_peer_pid);
+ put_net(sock_net(sk));
++ vx_sock_dec(sk);
++ clr_vx_info(&sk->sk_vx_info);
++ sk->sk_xid = -1;
++ clr_nx_info(&sk->sk_nx_info);
++ sk->sk_nid = -1;
+ sk_prot_free(sk->sk_prot_creator, sk);
+ }
+
+@@ -1355,6 +1366,8 @@ struct sock *sk_clone_lock(const struct
+
+ /* SANITY */
+ get_net(sock_net(newsk));
++ sock_vx_init(newsk);
++ sock_nx_init(newsk);
+ sk_node_init(&newsk->sk_node);
+ sock_lock_init(newsk);
+ bh_lock_sock(newsk);
+@@ -1411,6 +1424,12 @@ struct sock *sk_clone_lock(const struct
+ smp_wmb();
+ atomic_set(&newsk->sk_refcnt, 2);
+
++ set_vx_info(&newsk->sk_vx_info, sk->sk_vx_info);
++ newsk->sk_xid = sk->sk_xid;
++ vx_sock_inc(newsk);
++ set_nx_info(&newsk->sk_nx_info, sk->sk_nx_info);
++ newsk->sk_nid = sk->sk_nid;
++
+ /*
+ * Increment the counter in the same struct proto as the master
+ * sock (sk_refcnt_debug_inc uses newsk->sk_prot->socks, that
+@@ -2206,6 +2225,12 @@ void sock_init_data(struct socket *sock,
+
+ sk->sk_stamp = ktime_set(-1L, 0);
+
++ set_vx_info(&sk->sk_vx_info, current_vx_info());
++ sk->sk_xid = vx_current_xid();
++ vx_sock_inc(sk);
++ set_nx_info(&sk->sk_nx_info, current_nx_info());
++ sk->sk_nid = nx_current_nid();
++
+ /*
+ * Before updating sk_refcnt, we must commit prior changes to memory
+ * (Documentation/RCU/rculist_nulls.txt for details)
+diff -NurpP --minimal linux-3.7.10/net/ipv4/af_inet.c linux-3.7.10-vs2.3.5.6/net/ipv4/af_inet.c
+--- linux-3.7.10/net/ipv4/af_inet.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/af_inet.c 2012-12-18 15:13:16.000000000 +0000
+@@ -118,6 +118,7 @@
+ #ifdef CONFIG_IP_MROUTE
+ #include <linux/mroute.h>
+ #endif
++#include <linux/vs_limit.h>
+
+
+ /* The inetsw table contains everything that inet_create needs to
+@@ -346,9 +347,13 @@ lookup_protocol:
+ }
+
+ err = -EPERM;
++ if ((protocol == IPPROTO_ICMP) &&
++ nx_capable(CAP_NET_RAW, NXC_RAW_ICMP))
++ goto override;
++
+ if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
+ goto out_rcu_unlock;
+-
++override:
+ err = -EAFNOSUPPORT;
+ if (!inet_netns_ok(net, protocol))
+ goto out_rcu_unlock;
+@@ -473,6 +478,7 @@ int inet_bind(struct socket *sock, struc
+ struct sockaddr_in *addr = (struct sockaddr_in *)uaddr;
+ struct sock *sk = sock->sk;
+ struct inet_sock *inet = inet_sk(sk);
++ struct nx_v4_sock_addr nsa;
+ unsigned short snum;
+ int chk_addr_ret;
+ int err;
+@@ -496,7 +502,11 @@ int inet_bind(struct socket *sock, struc
+ goto out;
+ }
+
+- chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
++ err = v4_map_sock_addr(inet, addr, &nsa);
++ if (err)
++ goto out;
++
++ chk_addr_ret = inet_addr_type(sock_net(sk), nsa.saddr);
+
+ /* Not specified by any standard per-se, however it breaks too
+ * many applications when removed. It is unfortunate since
+@@ -508,7 +518,7 @@ int inet_bind(struct socket *sock, struc
+ err = -EADDRNOTAVAIL;
+ if (!sysctl_ip_nonlocal_bind &&
+ !(inet->freebind || inet->transparent) &&
+- addr->sin_addr.s_addr != htonl(INADDR_ANY) &&
++ nsa.saddr != htonl(INADDR_ANY) &&
+ chk_addr_ret != RTN_LOCAL &&
+ chk_addr_ret != RTN_MULTICAST &&
+ chk_addr_ret != RTN_BROADCAST)
+@@ -533,7 +543,7 @@ int inet_bind(struct socket *sock, struc
+ if (sk->sk_state != TCP_CLOSE || inet->inet_num)
+ goto out_release_sock;
+
+- inet->inet_rcv_saddr = inet->inet_saddr = addr->sin_addr.s_addr;
++ v4_set_sock_addr(inet, &nsa);
+ if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
+ inet->inet_saddr = 0; /* Use device */
+
+@@ -752,11 +762,13 @@ int inet_getname(struct socket *sock, st
+ peer == 1))
+ return -ENOTCONN;
+ sin->sin_port = inet->inet_dport;
+- sin->sin_addr.s_addr = inet->inet_daddr;
++ sin->sin_addr.s_addr =
++ nx_map_sock_lback(sk->sk_nx_info, inet->inet_daddr);
+ } else {
+ __be32 addr = inet->inet_rcv_saddr;
+ if (!addr)
+ addr = inet->inet_saddr;
++ addr = nx_map_sock_lback(sk->sk_nx_info, addr);
+ sin->sin_port = inet->inet_sport;
+ sin->sin_addr.s_addr = addr;
+ }
+diff -NurpP --minimal linux-3.7.10/net/ipv4/arp.c linux-3.7.10-vs2.3.5.6/net/ipv4/arp.c
+--- linux-3.7.10/net/ipv4/arp.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/arp.c 2012-12-18 15:13:16.000000000 +0000
+@@ -1318,6 +1318,7 @@ static void arp_format_neigh_entry(struc
+ struct net_device *dev = n->dev;
+ int hatype = dev->type;
+
++ /* FIXME: check for network context */
+ read_lock(&n->lock);
+ /* Convert hardware address to XX:XX:XX:XX ... form. */
+ #if IS_ENABLED(CONFIG_AX25)
+@@ -1349,6 +1350,7 @@ static void arp_format_pneigh_entry(stru
+ int hatype = dev ? dev->type : 0;
+ char tbuf[16];
+
++ /* FIXME: check for network context */
+ sprintf(tbuf, "%pI4", n->key);
+ seq_printf(seq, "%-16s 0x%-10x0x%-10x%s * %s\n",
+ tbuf, hatype, ATF_PUBL | ATF_PERM, "00:00:00:00:00:00",
+diff -NurpP --minimal linux-3.7.10/net/ipv4/devinet.c linux-3.7.10-vs2.3.5.6/net/ipv4/devinet.c
+--- linux-3.7.10/net/ipv4/devinet.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/devinet.c 2012-12-18 15:13:16.000000000 +0000
+@@ -513,6 +513,7 @@ struct in_device *inetdev_by_index(struc
+ }
+ EXPORT_SYMBOL(inetdev_by_index);
+
++
+ /* Called only from RTNL semaphored context. No locks. */
+
+ struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix,
+@@ -754,6 +755,8 @@ int devinet_ioctl(struct net *net, unsig
+
+ in_dev = __in_dev_get_rtnl(dev);
+ if (in_dev) {
++ struct nx_info *nxi = current_nx_info();
++
+ if (tryaddrmatch) {
+ /* Matthias Andree */
+ /* compare label and address (4.4BSD style) */
+@@ -762,6 +765,8 @@ int devinet_ioctl(struct net *net, unsig
+ This is checked above. */
+ for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
+ ifap = &ifa->ifa_next) {
++ if (!nx_v4_ifa_visible(nxi, ifa))
++ continue;
+ if (!strcmp(ifr.ifr_name, ifa->ifa_label) &&
+ sin_orig.sin_addr.s_addr ==
+ ifa->ifa_local) {
+@@ -774,9 +779,12 @@ int devinet_ioctl(struct net *net, unsig
+ comparing just the label */
+ if (!ifa) {
+ for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
+- ifap = &ifa->ifa_next)
++ ifap = &ifa->ifa_next) {
++ if (!nx_v4_ifa_visible(nxi, ifa))
++ continue;
+ if (!strcmp(ifr.ifr_name, ifa->ifa_label))
+ break;
++ }
+ }
+ }
+
+@@ -929,6 +937,8 @@ static int inet_gifconf(struct net_devic
+ goto out;
+
+ for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
++ if (!nx_v4_ifa_visible(current_nx_info(), ifa))
++ continue;
+ if (!buf) {
+ done += sizeof(ifr);
+ continue;
+@@ -1288,6 +1298,7 @@ static int inet_dump_ifaddr(struct sk_bu
+ struct net_device *dev;
+ struct in_device *in_dev;
+ struct in_ifaddr *ifa;
++ struct sock *sk = skb->sk;
+ struct hlist_head *head;
+ struct hlist_node *node;
+
+@@ -1310,6 +1321,8 @@ static int inet_dump_ifaddr(struct sk_bu
+
+ for (ifa = in_dev->ifa_list, ip_idx = 0; ifa;
+ ifa = ifa->ifa_next, ip_idx++) {
++ if (sk && !nx_v4_ifa_visible(sk->sk_nx_info, ifa))
++ continue;
+ if (ip_idx < s_ip_idx)
+ continue;
+ if (inet_fill_ifaddr(skb, ifa,
+diff -NurpP --minimal linux-3.7.10/net/ipv4/fib_trie.c linux-3.7.10-vs2.3.5.6/net/ipv4/fib_trie.c
+--- linux-3.7.10/net/ipv4/fib_trie.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/fib_trie.c 2012-12-18 15:13:16.000000000 +0000
+@@ -2557,6 +2557,7 @@ static int fib_route_seq_show(struct seq
+ || fa->fa_type == RTN_MULTICAST)
+ continue;
+
++ /* FIXME: check for network context? */
+ if (fi)
+ seq_printf(seq,
+ "%s\t%08X\t%08X\t%04X\t%d\t%u\t"
+diff -NurpP --minimal linux-3.7.10/net/ipv4/inet_connection_sock.c linux-3.7.10-vs2.3.5.6/net/ipv4/inet_connection_sock.c
+--- linux-3.7.10/net/ipv4/inet_connection_sock.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/inet_connection_sock.c 2013-01-16 00:19:03.000000000 +0000
+@@ -53,6 +53,37 @@ void inet_get_local_port_range(int *low,
+ }
+ EXPORT_SYMBOL(inet_get_local_port_range);
+
++int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
++{
++ __be32 sk1_rcv_saddr = sk_rcv_saddr(sk1),
++ sk2_rcv_saddr = sk_rcv_saddr(sk2);
++
++ if (inet_v6_ipv6only(sk2))
++ return 0;
++
++ if (sk1_rcv_saddr &&
++ sk2_rcv_saddr &&
++ sk1_rcv_saddr == sk2_rcv_saddr)
++ return 1;
++
++ if (sk1_rcv_saddr &&
++ !sk2_rcv_saddr &&
++ v4_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr, NXA_MASK_BIND))
++ return 1;
++
++ if (sk2_rcv_saddr &&
++ !sk1_rcv_saddr &&
++ v4_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr, NXA_MASK_BIND))
++ return 1;
++
++ if (!sk1_rcv_saddr &&
++ !sk2_rcv_saddr &&
++ nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info))
++ return 1;
++
++ return 0;
++}
++
+ int inet_csk_bind_conflict(const struct sock *sk,
+ const struct inet_bind_bucket *tb, bool relax)
+ {
+@@ -75,9 +106,7 @@ int inet_csk_bind_conflict(const struct
+ sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) {
+ if (!reuse || !sk2->sk_reuse ||
+ sk2->sk_state == TCP_LISTEN) {
+- const __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
+- if (!sk2_rcv_saddr || !sk_rcv_saddr(sk) ||
+- sk2_rcv_saddr == sk_rcv_saddr(sk))
++ if (ipv4_rcv_saddr_equal(sk, sk2))
+ break;
+ }
+ if (!relax && reuse && sk2->sk_reuse &&
+diff -NurpP --minimal linux-3.7.10/net/ipv4/inet_diag.c linux-3.7.10-vs2.3.5.6/net/ipv4/inet_diag.c
+--- linux-3.7.10/net/ipv4/inet_diag.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/inet_diag.c 2012-12-18 15:13:16.000000000 +0000
+@@ -31,6 +31,8 @@
+
+ #include <linux/inet.h>
+ #include <linux/stddef.h>
++#include <linux/vs_network.h>
++#include <linux/vs_inet.h>
+
+ #include <linux/inet_diag.h>
+ #include <linux/sock_diag.h>
+@@ -106,8 +108,10 @@ int inet_sk_diag_fill(struct sock *sk, s
+
+ r->id.idiag_sport = inet->inet_sport;
+ r->id.idiag_dport = inet->inet_dport;
+- r->id.idiag_src[0] = inet->inet_rcv_saddr;
+- r->id.idiag_dst[0] = inet->inet_daddr;
++ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info,
++ inet->inet_rcv_saddr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info,
++ inet->inet_daddr);
+
+ /* IPv6 dual-stack sockets use inet->tos for IPv4 connections,
+ * hence this needs to be included regardless of socket family.
+@@ -239,8 +243,8 @@ static int inet_twsk_diag_fill(struct in
+ sock_diag_save_cookie(tw, r->id.idiag_cookie);
+ r->id.idiag_sport = tw->tw_sport;
+ r->id.idiag_dport = tw->tw_dport;
+- r->id.idiag_src[0] = tw->tw_rcv_saddr;
+- r->id.idiag_dst[0] = tw->tw_daddr;
++ r->id.idiag_src[0] = nx_map_sock_lback(tw->tw_nx_info, tw->tw_rcv_saddr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(tw->tw_nx_info, tw->tw_daddr);
+ r->idiag_state = tw->tw_substate;
+ r->idiag_timer = 3;
+ r->idiag_expires = DIV_ROUND_UP(tmo * 1000, HZ);
+@@ -284,12 +288,14 @@ int inet_diag_dump_one_icsk(struct inet_
+
+ err = -EINVAL;
+ if (req->sdiag_family == AF_INET) {
++ /* TODO: lback */
+ sk = inet_lookup(net, hashinfo, req->id.idiag_dst[0],
+ req->id.idiag_dport, req->id.idiag_src[0],
+ req->id.idiag_sport, req->id.idiag_if);
+ }
+ #if IS_ENABLED(CONFIG_IPV6)
+ else if (req->sdiag_family == AF_INET6) {
++ /* TODO: lback */
+ sk = inet6_lookup(net, hashinfo,
+ (struct in6_addr *)req->id.idiag_dst,
+ req->id.idiag_dport,
+@@ -491,6 +497,7 @@ int inet_diag_bc_sk(const struct nlattr
+ } else
+ #endif
+ {
++ /* TODO: lback */
+ entry.saddr = &inet->inet_rcv_saddr;
+ entry.daddr = &inet->inet_daddr;
+ }
+@@ -649,6 +656,7 @@ static int inet_twsk_diag_dump(struct in
+ } else
+ #endif
+ {
++ /* TODO: lback */
+ entry.saddr = &tw->tw_rcv_saddr;
+ entry.daddr = &tw->tw_daddr;
+ }
+@@ -727,8 +735,8 @@ static int inet_diag_fill_req(struct sk_
+
+ r->id.idiag_sport = inet->inet_sport;
+ r->id.idiag_dport = ireq->rmt_port;
+- r->id.idiag_src[0] = ireq->loc_addr;
+- r->id.idiag_dst[0] = ireq->rmt_addr;
++ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->loc_addr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->rmt_addr);
+ r->idiag_expires = jiffies_to_msecs(tmo);
+ r->idiag_rqueue = 0;
+ r->idiag_wqueue = 0;
+@@ -791,6 +799,7 @@ static int inet_diag_dump_reqs(struct sk
+ r->id.idiag_dport)
+ continue;
+
++ /* TODO: lback */
+ if (bc) {
+ inet_diag_req_addrs(sk, req, &entry);
+ entry.dport = ntohs(ireq->rmt_port);
+@@ -847,6 +856,8 @@ void inet_diag_dump_icsk(struct inet_has
+ if (!net_eq(sock_net(sk), net))
+ continue;
+
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num) {
+ num++;
+ continue;
+@@ -919,6 +930,8 @@ skip_listen_ht:
+
+ if (!net_eq(sock_net(sk), net))
+ continue;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num)
+ goto next_normal;
+ if (!(r->idiag_states & (1 << sk->sk_state)))
+@@ -947,7 +960,8 @@ next_normal:
+ &head->twchain) {
+ if (!net_eq(twsk_net(tw), net))
+ continue;
+-
++ if (!nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num)
+ goto next_dying;
+ if (r->sdiag_family != AF_UNSPEC &&
+diff -NurpP --minimal linux-3.7.10/net/ipv4/inet_hashtables.c linux-3.7.10-vs2.3.5.6/net/ipv4/inet_hashtables.c
+--- linux-3.7.10/net/ipv4/inet_hashtables.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/inet_hashtables.c 2012-12-18 15:13:16.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <net/inet_connection_sock.h>
+ #include <net/inet_hashtables.h>
+ #include <net/secure_seq.h>
++#include <net/route.h>
+ #include <net/ip.h>
+
+ /*
+@@ -156,6 +157,11 @@ static inline int compute_score(struct s
+ if (rcv_saddr != daddr)
+ return -1;
+ score += 2;
++ } else {
++ /* block non nx_info ips */
++ if (!v4_addr_in_nx_info(sk->sk_nx_info,
++ daddr, NXA_MASK_BIND))
++ return -1;
+ }
+ if (sk->sk_bound_dev_if) {
+ if (sk->sk_bound_dev_if != dif)
+@@ -173,7 +179,6 @@ static inline int compute_score(struct s
+ * wildcarded during the search since they can never be otherwise.
+ */
+
+-
+ struct sock *__inet_lookup_listener(struct net *net,
+ struct inet_hashinfo *hashinfo,
+ const __be32 daddr, const unsigned short hnum,
+@@ -196,6 +201,7 @@ begin:
+ hiscore = score;
+ }
+ }
++
+ /*
+ * if the nulls value we got at the end of this lookup is
+ * not the expected one, we must restart lookup.
+diff -NurpP --minimal linux-3.7.10/net/ipv4/netfilter.c linux-3.7.10-vs2.3.5.6/net/ipv4/netfilter.c
+--- linux-3.7.10/net/ipv4/netfilter.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/netfilter.c 2012-12-18 15:13:16.000000000 +0000
+@@ -6,7 +6,7 @@
+ #include <linux/skbuff.h>
+ #include <linux/gfp.h>
+ #include <linux/export.h>
+-#include <net/route.h>
++// #include <net/route.h>
+ #include <net/xfrm.h>
+ #include <net/ip.h>
+ #include <net/netfilter/nf_queue.h>
+diff -NurpP --minimal linux-3.7.10/net/ipv4/raw.c linux-3.7.10-vs2.3.5.6/net/ipv4/raw.c
+--- linux-3.7.10/net/ipv4/raw.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/raw.c 2013-02-19 14:41:41.000000000 +0000
+@@ -118,7 +118,7 @@ static struct sock *__raw_v4_lookup(stru
+
+ if (net_eq(sock_net(sk), net) && inet->inet_num == num &&
+ !(inet->inet_daddr && inet->inet_daddr != raddr) &&
+- !(inet->inet_rcv_saddr && inet->inet_rcv_saddr != laddr) &&
++ v4_sock_addr_match(sk->sk_nx_info, inet, laddr) &&
+ !(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
+ goto found; /* gotcha */
+ }
+@@ -397,6 +397,12 @@ static int raw_send_hdrinc(struct sock *
+ icmp_out_count(net, ((struct icmphdr *)
+ skb_transport_header(skb))->type);
+
++ err = -EPERM;
++ if (!nx_check(0, VS_ADMIN) && !capable(CAP_NET_RAW) &&
++ sk->sk_nx_info &&
++ !v4_addr_in_nx_info(sk->sk_nx_info, iph->saddr, NXA_MASK_BIND))
++ goto error_free;
++
+ err = NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_OUT, skb, NULL,
+ rt->dst.dev, dst_output);
+ if (err > 0)
+@@ -582,6 +588,16 @@ static int raw_sendmsg(struct kiocb *ioc
+ goto done;
+ }
+
++ if (sk->sk_nx_info) {
++ rt = ip_v4_find_src(sock_net(sk), sk->sk_nx_info, &fl4);
++ if (IS_ERR(rt)) {
++ err = PTR_ERR(rt);
++ rt = NULL;
++ goto done;
++ }
++ ip_rt_put(rt);
++ }
++
+ security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
+ rt = ip_route_output_flow(sock_net(sk), &fl4, sk);
+ if (IS_ERR(rt)) {
+@@ -658,17 +674,19 @@ static int raw_bind(struct sock *sk, str
+ {
+ struct inet_sock *inet = inet_sk(sk);
+ struct sockaddr_in *addr = (struct sockaddr_in *) uaddr;
++ struct nx_v4_sock_addr nsa = { 0 };
+ int ret = -EINVAL;
+ int chk_addr_ret;
+
+ if (sk->sk_state != TCP_CLOSE || addr_len < sizeof(struct sockaddr_in))
+ goto out;
+- chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
++ v4_map_sock_addr(inet, addr, &nsa);
++ chk_addr_ret = inet_addr_type(sock_net(sk), nsa.saddr);
+ ret = -EADDRNOTAVAIL;
+- if (addr->sin_addr.s_addr && chk_addr_ret != RTN_LOCAL &&
++ if (nsa.saddr && chk_addr_ret != RTN_LOCAL &&
+ chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST)
+ goto out;
+- inet->inet_rcv_saddr = inet->inet_saddr = addr->sin_addr.s_addr;
++ v4_set_sock_addr(inet, &nsa);
+ if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
+ inet->inet_saddr = 0; /* Use device */
+ sk_dst_reset(sk);
+@@ -720,7 +738,8 @@ static int raw_recvmsg(struct kiocb *ioc
+ /* Copy the address. */
+ if (sin) {
+ sin->sin_family = AF_INET;
+- sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
++ sin->sin_addr.s_addr =
++ nx_map_sock_lback(sk->sk_nx_info, ip_hdr(skb)->saddr);
+ sin->sin_port = 0;
+ memset(&sin->sin_zero, 0, sizeof(sin->sin_zero));
+ }
+@@ -917,7 +936,8 @@ static struct sock *raw_get_first(struct
+ struct hlist_node *node;
+
+ sk_for_each(sk, node, &state->h->ht[state->bucket])
+- if (sock_net(sk) == seq_file_net(seq))
++ if ((sock_net(sk) == seq_file_net(seq)) &&
++ nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
+ goto found;
+ }
+ sk = NULL;
+@@ -933,7 +953,8 @@ static struct sock *raw_get_next(struct
+ sk = sk_next(sk);
+ try_again:
+ ;
+- } while (sk && sock_net(sk) != seq_file_net(seq));
++ } while (sk && ((sock_net(sk) != seq_file_net(seq)) ||
++ !nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT)));
+
+ if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
+ sk = sk_head(&state->h->ht[state->bucket]);
+diff -NurpP --minimal linux-3.7.10/net/ipv4/route.c linux-3.7.10-vs2.3.5.6/net/ipv4/route.c
+--- linux-3.7.10/net/ipv4/route.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/route.c 2013-02-19 14:41:41.000000000 +0000
+@@ -2002,7 +2002,7 @@ struct rtable *__ip_route_output_key(str
+
+
+ if (fl4->flowi4_oif) {
+- dev_out = dev_get_by_index_rcu(net, fl4->flowi4_oif);
++ dev_out = dev_get_by_index_real_rcu(net, fl4->flowi4_oif);
+ rth = ERR_PTR(-ENODEV);
+ if (dev_out == NULL)
+ goto out;
+diff -NurpP --minimal linux-3.7.10/net/ipv4/tcp.c linux-3.7.10-vs2.3.5.6/net/ipv4/tcp.c
+--- linux-3.7.10/net/ipv4/tcp.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/tcp.c 2013-02-19 14:41:41.000000000 +0000
+@@ -268,6 +268,7 @@
+ #include <linux/crypto.h>
+ #include <linux/time.h>
+ #include <linux/slab.h>
++#include <linux/in.h>
+
+ #include <net/icmp.h>
+ #include <net/inet_common.h>
+diff -NurpP --minimal linux-3.7.10/net/ipv4/tcp_ipv4.c linux-3.7.10-vs2.3.5.6/net/ipv4/tcp_ipv4.c
+--- linux-3.7.10/net/ipv4/tcp_ipv4.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/tcp_ipv4.c 2013-02-19 14:41:41.000000000 +0000
+@@ -2261,6 +2261,12 @@ static void *listening_get_next(struct s
+ req = req->dl_next;
+ while (1) {
+ while (req) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "sk,req: %p [#%d] (from %d)", req->sk,
++ (req->sk)?req->sk->sk_nid:0, nx_current_nid());
++ if (req->sk &&
++ !nx_check(req->sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (req->rsk_ops->family == st->family) {
+ cur = req;
+ goto out;
+@@ -2285,6 +2291,10 @@ get_req:
+ }
+ get_sk:
+ sk_nulls_for_each_from(sk, node) {
++ vxdprintk(VXD_CBIT(net, 6), "sk: %p [#%d] (from %d)",
++ sk, sk->sk_nid, nx_current_nid());
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (!net_eq(sock_net(sk), net))
+ continue;
+ if (sk->sk_family == st->family) {
+@@ -2361,6 +2371,11 @@ static void *established_get_first(struc
+
+ spin_lock_bh(lock);
+ sk_nulls_for_each(sk, node, &tcp_hashinfo.ehash[st->bucket].chain) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "sk,egf: %p [#%d] (from %d)",
++ sk, sk->sk_nid, nx_current_nid());
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sk->sk_family != st->family ||
+ !net_eq(sock_net(sk), net)) {
+ continue;
+@@ -2371,6 +2386,11 @@ static void *established_get_first(struc
+ st->state = TCP_SEQ_STATE_TIME_WAIT;
+ inet_twsk_for_each(tw, node,
+ &tcp_hashinfo.ehash[st->bucket].twchain) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "tw: %p [#%d] (from %d)",
++ tw, tw->tw_nid, nx_current_nid());
++ if (!nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (tw->tw_family != st->family ||
+ !net_eq(twsk_net(tw), net)) {
+ continue;
+@@ -2400,7 +2420,9 @@ static void *established_get_next(struct
+ tw = cur;
+ tw = tw_next(tw);
+ get_tw:
+- while (tw && (tw->tw_family != st->family || !net_eq(twsk_net(tw), net))) {
++ while (tw && (tw->tw_family != st->family ||
++ !net_eq(twsk_net(tw), net) ||
++ !nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))) {
+ tw = tw_next(tw);
+ }
+ if (tw) {
+@@ -2424,6 +2446,11 @@ get_tw:
+ sk = sk_nulls_next(sk);
+
+ sk_nulls_for_each_from(sk, node) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "sk,egn: %p [#%d] (from %d)",
++ sk, sk->sk_nid, nx_current_nid());
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sk->sk_family == st->family && net_eq(sock_net(sk), net))
+ goto found;
+ }
+@@ -2629,9 +2656,9 @@ static void get_openreq4(const struct so
+ seq_printf(f, "%4d: %08X:%04X %08X:%04X"
+ " %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %pK%n",
+ i,
+- ireq->loc_addr,
++ nx_map_sock_lback(current_nx_info(), ireq->loc_addr),
+ ntohs(inet_sk(sk)->inet_sport),
+- ireq->rmt_addr,
++ nx_map_sock_lback(current_nx_info(), ireq->rmt_addr),
+ ntohs(ireq->rmt_port),
+ TCP_SYN_RECV,
+ 0, 0, /* could print option size, but that is af dependent. */
+@@ -2654,8 +2681,8 @@ static void get_tcp4_sock(struct sock *s
+ const struct inet_connection_sock *icsk = inet_csk(sk);
+ const struct inet_sock *inet = inet_sk(sk);
+ struct fastopen_queue *fastopenq = icsk->icsk_accept_queue.fastopenq;
+- __be32 dest = inet->inet_daddr;
+- __be32 src = inet->inet_rcv_saddr;
++ __be32 dest = nx_map_sock_lback(current_nx_info(), inet->inet_daddr);
++ __be32 src = nx_map_sock_lback(current_nx_info(), inet->inet_rcv_saddr);
+ __u16 destp = ntohs(inet->inet_dport);
+ __u16 srcp = ntohs(inet->inet_sport);
+ int rx_queue;
+@@ -2711,8 +2738,8 @@ static void get_timewait4_sock(const str
+ __u16 destp, srcp;
+ long delta = tw->tw_ttd - jiffies;
+
+- dest = tw->tw_daddr;
+- src = tw->tw_rcv_saddr;
++ dest = nx_map_sock_lback(current_nx_info(), tw->tw_daddr);
++ src = nx_map_sock_lback(current_nx_info(), tw->tw_rcv_saddr);
+ destp = ntohs(tw->tw_dport);
+ srcp = ntohs(tw->tw_sport);
+
+diff -NurpP --minimal linux-3.7.10/net/ipv4/tcp_minisocks.c linux-3.7.10-vs2.3.5.6/net/ipv4/tcp_minisocks.c
+--- linux-3.7.10/net/ipv4/tcp_minisocks.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/tcp_minisocks.c 2012-12-18 15:13:16.000000000 +0000
+@@ -23,6 +23,9 @@
+ #include <linux/slab.h>
+ #include <linux/sysctl.h>
+ #include <linux/workqueue.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_socket.h>
++#include <linux/vs_context.h>
+ #include <net/tcp.h>
+ #include <net/inet_common.h>
+ #include <net/xfrm.h>
+@@ -289,6 +292,11 @@ void tcp_time_wait(struct sock *sk, int
+ tcptw->tw_ts_recent = tp->rx_opt.ts_recent;
+ tcptw->tw_ts_recent_stamp = tp->rx_opt.ts_recent_stamp;
+
++ tw->tw_xid = sk->sk_xid;
++ tw->tw_vx_info = NULL;
++ tw->tw_nid = sk->sk_nid;
++ tw->tw_nx_info = NULL;
++
+ #if IS_ENABLED(CONFIG_IPV6)
+ if (tw->tw_family == PF_INET6) {
+ struct ipv6_pinfo *np = inet6_sk(sk);
+diff -NurpP --minimal linux-3.7.10/net/ipv4/udp.c linux-3.7.10-vs2.3.5.6/net/ipv4/udp.c
+--- linux-3.7.10/net/ipv4/udp.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/udp.c 2013-02-19 14:41:41.000000000 +0000
+@@ -300,14 +300,7 @@ fail:
+ }
+ EXPORT_SYMBOL(udp_lib_get_port);
+
+-static int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
+-{
+- struct inet_sock *inet1 = inet_sk(sk1), *inet2 = inet_sk(sk2);
+-
+- return (!ipv6_only_sock(sk2) &&
+- (!inet1->inet_rcv_saddr || !inet2->inet_rcv_saddr ||
+- inet1->inet_rcv_saddr == inet2->inet_rcv_saddr));
+-}
++extern int ipv4_rcv_saddr_equal(const struct sock *, const struct sock *);
+
+ static unsigned int udp4_portaddr_hash(struct net *net, __be32 saddr,
+ unsigned int port)
+@@ -342,6 +335,11 @@ static inline int compute_score(struct s
+ if (inet->inet_rcv_saddr != daddr)
+ return -1;
+ score += 2;
++ } else {
++ /* block non nx_info ips */
++ if (!v4_addr_in_nx_info(sk->sk_nx_info,
++ daddr, NXA_MASK_BIND))
++ return -1;
+ }
+ if (inet->inet_daddr) {
+ if (inet->inet_daddr != saddr)
+@@ -445,6 +443,7 @@ exact_match:
+ return result;
+ }
+
++
+ /* UDP is nearly always wildcards out the wazoo, it makes no sense to try
+ * harder than this. -DaveM
+ */
+@@ -490,6 +489,11 @@ begin:
+ sk_nulls_for_each_rcu(sk, node, &hslot->head) {
+ score = compute_score(sk, net, saddr, hnum, sport,
+ daddr, dport, dif);
++ /* FIXME: disabled?
++ if (score == 9) {
++ result = sk;
++ break;
++ } else */
+ if (score > badness) {
+ result = sk;
+ badness = score;
+@@ -503,6 +507,7 @@ begin:
+ if (get_nulls_value(node) != slot)
+ goto begin;
+
++
+ if (result) {
+ if (unlikely(!atomic_inc_not_zero_hint(&result->sk_refcnt, 2)))
+ result = NULL;
+@@ -512,6 +517,7 @@ begin:
+ goto begin;
+ }
+ }
++
+ rcu_read_unlock();
+ return result;
+ }
+@@ -555,8 +561,7 @@ static inline struct sock *udp_v4_mcast_
+ udp_sk(s)->udp_port_hash != hnum ||
+ (inet->inet_daddr && inet->inet_daddr != rmt_addr) ||
+ (inet->inet_dport != rmt_port && inet->inet_dport) ||
+- (inet->inet_rcv_saddr &&
+- inet->inet_rcv_saddr != loc_addr) ||
++ !v4_sock_addr_match(sk->sk_nx_info, inet, loc_addr) ||
+ ipv6_only_sock(s) ||
+ (s->sk_bound_dev_if && s->sk_bound_dev_if != dif))
+ continue;
+@@ -939,6 +944,16 @@ int udp_sendmsg(struct kiocb *iocb, stru
+ inet_sk_flowi_flags(sk)|FLOWI_FLAG_CAN_SLEEP,
+ faddr, saddr, dport, inet->inet_sport);
+
++ if (sk->sk_nx_info) {
++ rt = ip_v4_find_src(net, sk->sk_nx_info, fl4);
++ if (IS_ERR(rt)) {
++ err = PTR_ERR(rt);
++ rt = NULL;
++ goto out;
++ }
++ ip_rt_put(rt);
++ }
++
+ security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
+ rt = ip_route_output_flow(net, fl4, sk);
+ if (IS_ERR(rt)) {
+@@ -1244,7 +1259,8 @@ try_again:
+ if (sin) {
+ sin->sin_family = AF_INET;
+ sin->sin_port = udp_hdr(skb)->source;
+- sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
++ sin->sin_addr.s_addr = nx_map_sock_lback(
++ skb->sk->sk_nx_info, ip_hdr(skb)->saddr);
+ memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
+ }
+ if (inet->cmsg_flags)
+@@ -1993,6 +2009,8 @@ static struct sock *udp_get_first(struct
+ sk_nulls_for_each(sk, node, &hslot->head) {
+ if (!net_eq(sock_net(sk), net))
+ continue;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sk->sk_family == state->family)
+ goto found;
+ }
+@@ -2010,7 +2028,9 @@ static struct sock *udp_get_next(struct
+
+ do {
+ sk = sk_nulls_next(sk);
+- } while (sk && (!net_eq(sock_net(sk), net) || sk->sk_family != state->family));
++ } while (sk && (!net_eq(sock_net(sk), net) ||
++ sk->sk_family != state->family ||
++ !nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT)));
+
+ if (!sk) {
+ if (state->bucket <= state->udp_table->mask)
+@@ -2106,8 +2126,8 @@ static void udp4_format_sock(struct sock
+ int bucket, int *len)
+ {
+ struct inet_sock *inet = inet_sk(sp);
+- __be32 dest = inet->inet_daddr;
+- __be32 src = inet->inet_rcv_saddr;
++ __be32 dest = nx_map_sock_lback(current_nx_info(), inet->inet_daddr);
++ __be32 src = nx_map_sock_lback(current_nx_info(), inet->inet_rcv_saddr);
+ __u16 destp = ntohs(inet->inet_dport);
+ __u16 srcp = ntohs(inet->inet_sport);
+
+diff -NurpP --minimal linux-3.7.10/net/ipv6/Kconfig linux-3.7.10-vs2.3.5.6/net/ipv6/Kconfig
+--- linux-3.7.10/net/ipv6/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -4,8 +4,8 @@
+
+ # IPv6 as module will cause a CRASH if you try to unload it
+ menuconfig IPV6
+- tristate "The IPv6 protocol"
+- default m
++ bool "The IPv6 protocol"
++ default n
+ ---help---
+ This is complemental support for the IP version 6.
+ You will still be able to do traditional IPv4 networking as well.
+diff -NurpP --minimal linux-3.7.10/net/ipv6/addrconf.c linux-3.7.10-vs2.3.5.6/net/ipv6/addrconf.c
+--- linux-3.7.10/net/ipv6/addrconf.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/addrconf.c 2013-02-19 14:41:41.000000000 +0000
+@@ -92,6 +92,8 @@
+ #include <linux/proc_fs.h>
+ #include <linux/seq_file.h>
+ #include <linux/export.h>
++#include <linux/vs_network.h>
++#include <linux/vs_inet6.h>
+
+ /* Set to 3 to get tracing... */
+ #define ACONF_DEBUG 2
+@@ -1094,7 +1096,7 @@ out:
+
+ int ipv6_dev_get_saddr(struct net *net, const struct net_device *dst_dev,
+ const struct in6_addr *daddr, unsigned int prefs,
+- struct in6_addr *saddr)
++ struct in6_addr *saddr, struct nx_info *nxi)
+ {
+ struct ipv6_saddr_score scores[2],
+ *score = &scores[0], *hiscore = &scores[1];
+@@ -1166,6 +1168,8 @@ int ipv6_dev_get_saddr(struct net *net,
+ dev->name);
+ continue;
+ }
++ if (!v6_addr_in_nx_info(nxi, &score->ifa->addr, -1))
++ continue;
+
+ score->rule = -1;
+ bitmap_zero(score->scorebits, IPV6_SADDR_RULE_MAX);
+@@ -3135,7 +3139,10 @@ static void if6_seq_stop(struct seq_file
+ static int if6_seq_show(struct seq_file *seq, void *v)
+ {
+ struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v;
+- seq_printf(seq, "%pi6 %02x %02x %02x %02x %8s\n",
++
++ if (nx_check(0, VS_ADMIN|VS_WATCH) ||
++ v6_addr_in_nx_info(current_nx_info(), &ifp->addr, -1))
++ seq_printf(seq, "%pi6 %02x %02x %02x %02x %8s\n",
+ &ifp->addr,
+ ifp->idev->dev->ifindex,
+ ifp->prefix_len,
+@@ -3641,6 +3648,11 @@ static int in6_dump_addrs(struct inet6_d
+ struct ifacaddr6 *ifaca;
+ int err = 1;
+ int ip_idx = *p_ip_idx;
++ struct nx_info *nxi = skb->sk ? skb->sk->sk_nx_info : NULL;
++
++ /* disable ipv6 on non v6 guests */
++ if (nxi && !nx_info_has_v6(nxi))
++ return skb->len;
+
+ read_lock_bh(&idev->lock);
+ switch (type) {
+@@ -3651,6 +3663,8 @@ static int in6_dump_addrs(struct inet6_d
+ list_for_each_entry(ifa, &idev->addr_list, if_list) {
+ if (++ip_idx < s_ip_idx)
+ continue;
++ if (!v6_addr_in_nx_info(nxi, &ifa->addr, -1))
++ continue;
+ err = inet6_fill_ifaddr(skb, ifa,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+@@ -3667,6 +3681,8 @@ static int in6_dump_addrs(struct inet6_d
+ ifmca = ifmca->next, ip_idx++) {
+ if (ip_idx < s_ip_idx)
+ continue;
++ if (!v6_addr_in_nx_info(nxi, &ifmca->mca_addr, -1))
++ continue;
+ err = inet6_fill_ifmcaddr(skb, ifmca,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+@@ -3682,6 +3698,8 @@ static int in6_dump_addrs(struct inet6_d
+ ifaca = ifaca->aca_next, ip_idx++) {
+ if (ip_idx < s_ip_idx)
+ continue;
++ if (!v6_addr_in_nx_info(nxi, &ifaca->aca_addr, -1))
++ continue;
+ err = inet6_fill_ifacaddr(skb, ifaca,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+@@ -4065,6 +4083,11 @@ static int inet6_dump_ifinfo(struct sk_b
+ struct inet6_dev *idev;
+ struct hlist_head *head;
+ struct hlist_node *node;
++ struct nx_info *nxi = skb->sk ? skb->sk->sk_nx_info : NULL;
++
++ /* FIXME: maybe disable ipv6 on non v6 guests?
++ if (skb->sk && skb->sk->sk_vx_info)
++ return skb->len; */
+
+ s_h = cb->args[0];
+ s_idx = cb->args[1];
+@@ -4076,6 +4099,8 @@ static int inet6_dump_ifinfo(struct sk_b
+ hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+ if (idx < s_idx)
+ goto cont;
++ if (!v6_dev_in_nx_info(dev, nxi))
++ goto cont;
+ idev = __in6_dev_get(dev);
+ if (!idev)
+ goto cont;
+diff -NurpP --minimal linux-3.7.10/net/ipv6/af_inet6.c linux-3.7.10-vs2.3.5.6/net/ipv6/af_inet6.c
+--- linux-3.7.10/net/ipv6/af_inet6.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/af_inet6.c 2012-12-18 15:13:16.000000000 +0000
+@@ -43,6 +43,8 @@
+ #include <linux/netdevice.h>
+ #include <linux/icmpv6.h>
+ #include <linux/netfilter_ipv6.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
+
+ #include <net/ip.h>
+ #include <net/ipv6.h>
+@@ -160,9 +162,12 @@ lookup_protocol:
+ }
+
+ err = -EPERM;
++ if ((protocol == IPPROTO_ICMPV6) &&
++ nx_capable(CAP_NET_RAW, NXC_RAW_ICMP))
++ goto override;
+ if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
+ goto out_rcu_unlock;
+-
++override:
+ sock->ops = answer->ops;
+ answer_prot = answer->prot;
+ answer_no_check = answer->no_check;
+@@ -262,6 +267,7 @@ int inet6_bind(struct socket *sock, stru
+ struct inet_sock *inet = inet_sk(sk);
+ struct ipv6_pinfo *np = inet6_sk(sk);
+ struct net *net = sock_net(sk);
++ struct nx_v6_sock_addr nsa;
+ __be32 v4addr = 0;
+ unsigned short snum;
+ int addr_type = 0;
+@@ -277,6 +283,10 @@ int inet6_bind(struct socket *sock, stru
+ if (addr->sin6_family != AF_INET6)
+ return -EAFNOSUPPORT;
+
++ err = v6_map_sock_addr(inet, addr, &nsa);
++ if (err)
++ return err;
++
+ addr_type = ipv6_addr_type(&addr->sin6_addr);
+ if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
+ return -EINVAL;
+@@ -308,6 +318,7 @@ int inet6_bind(struct socket *sock, stru
+ /* Reproduce AF_INET checks to make the bindings consistent */
+ v4addr = addr->sin6_addr.s6_addr32[3];
+ chk_addr_ret = inet_addr_type(net, v4addr);
++
+ if (!sysctl_ip_nonlocal_bind &&
+ !(inet->freebind || inet->transparent) &&
+ v4addr != htonl(INADDR_ANY) &&
+@@ -317,6 +328,10 @@ int inet6_bind(struct socket *sock, stru
+ err = -EADDRNOTAVAIL;
+ goto out;
+ }
++ if (!v4_addr_in_nx_info(sk->sk_nx_info, v4addr, NXA_MASK_BIND)) {
++ err = -EADDRNOTAVAIL;
++ goto out;
++ }
+ } else {
+ if (addr_type != IPV6_ADDR_ANY) {
+ struct net_device *dev = NULL;
+@@ -343,6 +358,11 @@ int inet6_bind(struct socket *sock, stru
+ }
+ }
+
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, &addr->sin6_addr, -1)) {
++ err = -EADDRNOTAVAIL;
++ goto out_unlock;
++ }
++
+ /* ipv4 addr of the socket is invalid. Only the
+ * unspecified and mapped address have a v4 equivalent.
+ */
+@@ -359,6 +379,9 @@ int inet6_bind(struct socket *sock, stru
+ }
+ }
+
++ /* what's that for? */
++ v6_set_sock_addr(inet, &nsa);
++
+ inet->inet_rcv_saddr = v4addr;
+ inet->inet_saddr = v4addr;
+
+@@ -460,9 +483,11 @@ int inet6_getname(struct socket *sock, s
+ return -ENOTCONN;
+ sin->sin6_port = inet->inet_dport;
+ sin->sin6_addr = np->daddr;
++ /* FIXME: remap lback? */
+ if (np->sndflow)
+ sin->sin6_flowinfo = np->flow_label;
+ } else {
++ /* FIXME: remap lback? */
+ if (ipv6_addr_any(&np->rcv_saddr))
+ sin->sin6_addr = np->saddr;
+ else
+diff -NurpP --minimal linux-3.7.10/net/ipv6/datagram.c linux-3.7.10-vs2.3.5.6/net/ipv6/datagram.c
+--- linux-3.7.10/net/ipv6/datagram.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/datagram.c 2012-12-18 15:13:16.000000000 +0000
+@@ -645,7 +645,7 @@ int datagram_send_ctl(struct net *net, s
+
+ rcu_read_lock();
+ if (fl6->flowi6_oif) {
+- dev = dev_get_by_index_rcu(net, fl6->flowi6_oif);
++ dev = dev_get_by_index_real_rcu(net, fl6->flowi6_oif);
+ if (!dev) {
+ rcu_read_unlock();
+ return -ENODEV;
+diff -NurpP --minimal linux-3.7.10/net/ipv6/fib6_rules.c linux-3.7.10-vs2.3.5.6/net/ipv6/fib6_rules.c
+--- linux-3.7.10/net/ipv6/fib6_rules.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/fib6_rules.c 2012-12-18 15:13:16.000000000 +0000
+@@ -90,7 +90,7 @@ static int fib6_rule_action(struct fib_r
+ ip6_dst_idev(&rt->dst)->dev,
+ &flp6->daddr,
+ rt6_flags2srcprefs(flags),
+- &saddr))
++ &saddr, NULL))
+ goto again;
+ if (!ipv6_prefix_equal(&saddr, &r->src.addr,
+ r->src.plen))
+diff -NurpP --minimal linux-3.7.10/net/ipv6/inet6_hashtables.c linux-3.7.10-vs2.3.5.6/net/ipv6/inet6_hashtables.c
+--- linux-3.7.10/net/ipv6/inet6_hashtables.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/inet6_hashtables.c 2012-12-18 15:13:16.000000000 +0000
+@@ -16,6 +16,7 @@
+
+ #include <linux/module.h>
+ #include <linux/random.h>
++#include <linux/vs_inet6.h>
+
+ #include <net/inet_connection_sock.h>
+ #include <net/inet_hashtables.h>
+@@ -83,7 +84,6 @@ struct sock *__inet6_lookup_established(
+ unsigned int slot = hash & hashinfo->ehash_mask;
+ struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
+
+-
+ rcu_read_lock();
+ begin:
+ sk_nulls_for_each_rcu(sk, node, &head->chain) {
+@@ -95,7 +95,7 @@ begin:
+ sock_put(sk);
+ goto begin;
+ }
+- goto out;
++ goto out;
+ }
+ }
+ if (get_nulls_value(node) != slot)
+@@ -141,6 +141,9 @@ static inline int compute_score(struct s
+ if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
+ return -1;
+ score++;
++ } else {
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
++ return -1;
+ }
+ if (sk->sk_bound_dev_if) {
+ if (sk->sk_bound_dev_if != dif)
+diff -NurpP --minimal linux-3.7.10/net/ipv6/ip6_output.c linux-3.7.10-vs2.3.5.6/net/ipv6/ip6_output.c
+--- linux-3.7.10/net/ipv6/ip6_output.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/ip6_output.c 2013-02-19 14:41:41.000000000 +0000
+@@ -964,7 +964,8 @@ static int ip6_dst_lookup_tail(struct so
+ struct rt6_info *rt = (struct rt6_info *) *dst;
+ err = ip6_route_get_saddr(net, rt, &fl6->daddr,
+ sk ? inet6_sk(sk)->srcprefs : 0,
+- &fl6->saddr);
++ &fl6->saddr,
++ sk ? sk->sk_nx_info : NULL);
+ if (err)
+ goto out_err_release;
+ }
+diff -NurpP --minimal linux-3.7.10/net/ipv6/ndisc.c linux-3.7.10-vs2.3.5.6/net/ipv6/ndisc.c
+--- linux-3.7.10/net/ipv6/ndisc.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/ndisc.c 2013-01-16 00:19:03.000000000 +0000
+@@ -517,7 +517,7 @@ static void ndisc_send_na(struct net_dev
+ } else {
+ if (ipv6_dev_get_saddr(dev_net(dev), dev, daddr,
+ inet6_sk(dev_net(dev)->ipv6.ndisc_sk)->srcprefs,
+- &tmpaddr))
++ &tmpaddr, NULL))
+ return;
+ src_addr = &tmpaddr;
+ }
+diff -NurpP --minimal linux-3.7.10/net/ipv6/netfilter/ip6t_MASQUERADE.c linux-3.7.10-vs2.3.5.6/net/ipv6/netfilter/ip6t_MASQUERADE.c
+--- linux-3.7.10/net/ipv6/netfilter/ip6t_MASQUERADE.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/netfilter/ip6t_MASQUERADE.c 2012-12-18 15:13:16.000000000 +0000
+@@ -34,7 +34,7 @@ masquerade_tg6(struct sk_buff *skb, cons
+ ctinfo == IP_CT_RELATED_REPLY));
+
+ if (ipv6_dev_get_saddr(dev_net(par->out), par->out,
+- &ipv6_hdr(skb)->daddr, 0, &src) < 0)
++ &ipv6_hdr(skb)->daddr, 0, &src, NULL) < 0)
+ return NF_DROP;
+
+ nfct_nat(ct)->masq_index = par->out->ifindex;
+diff -NurpP --minimal linux-3.7.10/net/ipv6/raw.c linux-3.7.10-vs2.3.5.6/net/ipv6/raw.c
+--- linux-3.7.10/net/ipv6/raw.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/raw.c 2012-12-18 15:13:16.000000000 +0000
+@@ -30,6 +30,7 @@
+ #include <linux/icmpv6.h>
+ #include <linux/netfilter.h>
+ #include <linux/netfilter_ipv6.h>
++#include <linux/vs_inet6.h>
+ #include <linux/skbuff.h>
+ #include <linux/compat.h>
+ #include <asm/uaccess.h>
+@@ -284,6 +285,13 @@ static int rawv6_bind(struct sock *sk, s
+ goto out_unlock;
+ }
+
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, &addr->sin6_addr, -1)) {
++ err = -EADDRNOTAVAIL;
++ if (dev)
++ dev_put(dev);
++ goto out;
++ }
++
+ /* ipv4 addr of the socket is invalid. Only the
+ * unspecified and mapped address have a v4 equivalent.
+ */
+diff -NurpP --minimal linux-3.7.10/net/ipv6/route.c linux-3.7.10-vs2.3.5.6/net/ipv6/route.c
+--- linux-3.7.10/net/ipv6/route.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/route.c 2013-02-19 14:41:41.000000000 +0000
+@@ -57,6 +57,7 @@
+ #include <net/xfrm.h>
+ #include <net/netevent.h>
+ #include <net/netlink.h>
++#include <linux/vs_inet6.h>
+
+ #include <asm/uaccess.h>
+
+@@ -2116,15 +2117,17 @@ int ip6_route_get_saddr(struct net *net,
+ struct rt6_info *rt,
+ const struct in6_addr *daddr,
+ unsigned int prefs,
+- struct in6_addr *saddr)
++ struct in6_addr *saddr,
++ struct nx_info *nxi)
+ {
+ struct inet6_dev *idev = ip6_dst_idev((struct dst_entry*)rt);
+ int err = 0;
+- if (rt->rt6i_prefsrc.plen)
++ if (rt->rt6i_prefsrc.plen && (!nxi ||
++ v6_addr_in_nx_info(nxi, &rt->rt6i_prefsrc.addr, NXA_TYPE_ADDR)))
+ *saddr = rt->rt6i_prefsrc.addr;
+ else
+ err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
+- daddr, prefs, saddr);
++ daddr, prefs, saddr, nxi);
+ return err;
+ }
+
+@@ -2478,7 +2481,8 @@ static int rt6_fill_node(struct net *net
+ goto nla_put_failure;
+ } else if (dst) {
+ struct in6_addr saddr_buf;
+- if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf) == 0 &&
++ if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf,
++ (skb->sk ? skb->sk->sk_nx_info : NULL)) == 0 &&
+ nla_put(skb, RTA_PREFSRC, 16, &saddr_buf))
+ goto nla_put_failure;
+ }
+@@ -2692,6 +2696,7 @@ static int rt6_info_route(struct rt6_inf
+ struct seq_file *m = p_arg;
+ struct neighbour *n;
+
++ /* FIXME: check for network context? */
+ seq_printf(m, "%pi6 %02x ", &rt->rt6i_dst.addr, rt->rt6i_dst.plen);
+
+ #ifdef CONFIG_IPV6_SUBTREES
+diff -NurpP --minimal linux-3.7.10/net/ipv6/tcp_ipv6.c linux-3.7.10-vs2.3.5.6/net/ipv6/tcp_ipv6.c
+--- linux-3.7.10/net/ipv6/tcp_ipv6.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/tcp_ipv6.c 2013-01-16 00:19:03.000000000 +0000
+@@ -71,6 +71,7 @@
+
+ #include <linux/crypto.h>
+ #include <linux/scatterlist.h>
++#include <linux/vs_inet6.h>
+
+ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb);
+ static void tcp_v6_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
+@@ -175,8 +176,15 @@ static int tcp_v6_connect(struct sock *s
+ * connect() to INADDR_ANY means loopback (BSD'ism).
+ */
+
+- if(ipv6_addr_any(&usin->sin6_addr))
+- usin->sin6_addr.s6_addr[15] = 0x1;
++ if(ipv6_addr_any(&usin->sin6_addr)) {
++ struct nx_info *nxi = sk->sk_nx_info;
++
++ if (nxi && nx_info_has_v6(nxi))
++ /* FIXME: remap lback? */
++ usin->sin6_addr = nxi->v6.ip;
++ else
++ usin->sin6_addr.s6_addr[15] = 0x1;
++ }
+
+ addr_type = ipv6_addr_type(&usin->sin6_addr);
+
+diff -NurpP --minimal linux-3.7.10/net/ipv6/udp.c linux-3.7.10-vs2.3.5.6/net/ipv6/udp.c
+--- linux-3.7.10/net/ipv6/udp.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/udp.c 2012-12-18 15:13:16.000000000 +0000
+@@ -45,42 +45,68 @@
+ #include <net/tcp_states.h>
+ #include <net/ip6_checksum.h>
+ #include <net/xfrm.h>
++#include <linux/vs_inet6.h>
+
+ #include <linux/proc_fs.h>
+ #include <linux/seq_file.h>
+ #include <trace/events/skb.h>
+ #include "udp_impl.h"
+
+-int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
++int ipv6_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
+ {
+- const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
++ const struct in6_addr *sk1_rcv_saddr6 = &inet6_sk(sk1)->rcv_saddr;
+ const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
+- __be32 sk1_rcv_saddr = sk_rcv_saddr(sk);
++ __be32 sk1_rcv_saddr = sk_rcv_saddr(sk1);
+ __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
+- int sk_ipv6only = ipv6_only_sock(sk);
++ int sk1_ipv6only = ipv6_only_sock(sk1);
+ int sk2_ipv6only = inet_v6_ipv6only(sk2);
+- int addr_type = ipv6_addr_type(sk_rcv_saddr6);
++ int addr_type = ipv6_addr_type(sk1_rcv_saddr6);
+ int addr_type2 = sk2_rcv_saddr6 ? ipv6_addr_type(sk2_rcv_saddr6) : IPV6_ADDR_MAPPED;
+
+ /* if both are mapped, treat as IPv4 */
+- if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED)
+- return (!sk2_ipv6only &&
++ if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED) {
++ if (!sk2_ipv6only &&
+ (!sk1_rcv_saddr || !sk2_rcv_saddr ||
+- sk1_rcv_saddr == sk2_rcv_saddr));
++ sk1_rcv_saddr == sk2_rcv_saddr))
++ goto vs_v4;
++ else
++ return 0;
++ }
+
+ if (addr_type2 == IPV6_ADDR_ANY &&
+ !(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
+- return 1;
++ goto vs;
+
+ if (addr_type == IPV6_ADDR_ANY &&
+- !(sk_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
+- return 1;
++ !(sk1_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
++ goto vs;
+
+ if (sk2_rcv_saddr6 &&
+- ipv6_addr_equal(sk_rcv_saddr6, sk2_rcv_saddr6))
+- return 1;
++ ipv6_addr_equal(sk1_rcv_saddr6, sk2_rcv_saddr6))
++ goto vs;
+
+ return 0;
++
++vs_v4:
++ if (!sk1_rcv_saddr && !sk2_rcv_saddr)
++ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
++ if (!sk2_rcv_saddr)
++ return v4_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr, -1);
++ if (!sk1_rcv_saddr)
++ return v4_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr, -1);
++ return 1;
++vs:
++ if (addr_type2 == IPV6_ADDR_ANY && addr_type == IPV6_ADDR_ANY)
++ return nx_v6_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
++ else if (addr_type2 == IPV6_ADDR_ANY)
++ return v6_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr6, -1);
++ else if (addr_type == IPV6_ADDR_ANY) {
++ if (addr_type2 == IPV6_ADDR_MAPPED)
++ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
++ else
++ return v6_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr6, -1);
++ }
++ return 1;
+ }
+
+ static unsigned int udp6_portaddr_hash(struct net *net,
+@@ -144,6 +170,10 @@ static inline int compute_score(struct s
+ if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
+ return -1;
+ score++;
++ } else {
++ /* block non nx_info ips */
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
++ return -1;
+ }
+ if (!ipv6_addr_any(&np->daddr)) {
+ if (!ipv6_addr_equal(&np->daddr, saddr))
+diff -NurpP --minimal linux-3.7.10/net/ipv6/xfrm6_policy.c linux-3.7.10-vs2.3.5.6/net/ipv6/xfrm6_policy.c
+--- linux-3.7.10/net/ipv6/xfrm6_policy.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/xfrm6_policy.c 2012-12-18 15:13:16.000000000 +0000
+@@ -63,7 +63,7 @@ static int xfrm6_get_saddr(struct net *n
+ dev = ip6_dst_idev(dst)->dev;
+ ipv6_dev_get_saddr(dev_net(dev), dev,
+ (struct in6_addr *)&daddr->a6, 0,
+- (struct in6_addr *)&saddr->a6);
++ (struct in6_addr *)&saddr->a6, NULL);
+ dst_release(dst);
+ return 0;
+ }
+diff -NurpP --minimal linux-3.7.10/net/netfilter/ipvs/ip_vs_xmit.c linux-3.7.10-vs2.3.5.6/net/netfilter/ipvs/ip_vs_xmit.c
+--- linux-3.7.10/net/netfilter/ipvs/ip_vs_xmit.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/netfilter/ipvs/ip_vs_xmit.c 2012-12-18 15:13:16.000000000 +0000
+@@ -273,7 +273,7 @@ __ip_vs_route_output_v6(struct net *net,
+ return dst;
+ if (ipv6_addr_any(&fl6.saddr) &&
+ ipv6_dev_get_saddr(net, ip6_dst_idev(dst)->dev,
+- &fl6.daddr, 0, &fl6.saddr) < 0)
++ &fl6.daddr, 0, &fl6.saddr, NULL) < 0)
+ goto out_err;
+ if (do_xfrm) {
+ dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
+diff -NurpP --minimal linux-3.7.10/net/netlink/af_netlink.c linux-3.7.10-vs2.3.5.6/net/netlink/af_netlink.c
+--- linux-3.7.10/net/netlink/af_netlink.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/netlink/af_netlink.c 2012-12-18 15:13:16.000000000 +0000
+@@ -55,6 +55,9 @@
+ #include <linux/types.h>
+ #include <linux/audit.h>
+ #include <linux/mutex.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_limit.h>
+
+ #include <net/net_namespace.h>
+ #include <net/sock.h>
+@@ -1981,6 +1984,8 @@ static struct sock *netlink_seq_socket_i
+ sk_for_each(s, node, &hash->table[j]) {
+ if (sock_net(s) != seq_file_net(seq))
+ continue;
++ if (!nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (off == pos) {
+ iter->link = i;
+ iter->hash_idx = j;
+@@ -2015,7 +2020,8 @@ static void *netlink_seq_next(struct seq
+ s = v;
+ do {
+ s = sk_next(s);
+- } while (s && sock_net(s) != seq_file_net(seq));
++ } while (s && (sock_net(s) != seq_file_net(seq) ||
++ !nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT)));
+ if (s)
+ return s;
+
+@@ -2027,7 +2033,8 @@ static void *netlink_seq_next(struct seq
+
+ for (; j <= hash->mask; j++) {
+ s = sk_head(&hash->table[j]);
+- while (s && sock_net(s) != seq_file_net(seq))
++ while (s && (sock_net(s) != seq_file_net(seq) ||
++ !nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT)))
+ s = sk_next(s);
+ if (s) {
+ iter->link = i;
+diff -NurpP --minimal linux-3.7.10/net/socket.c linux-3.7.10-vs2.3.5.6/net/socket.c
+--- linux-3.7.10/net/socket.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/socket.c 2012-12-18 15:13:16.000000000 +0000
+@@ -99,6 +99,10 @@
+
+ #include <net/sock.h>
+ #include <linux/netfilter.h>
++#include <linux/vs_base.h>
++#include <linux/vs_socket.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
+
+ #include <linux/if_tun.h>
+ #include <linux/ipv6_route.h>
+@@ -619,6 +623,7 @@ static inline int __sock_sendmsg_nosec(s
+ struct msghdr *msg, size_t size)
+ {
+ struct sock_iocb *si = kiocb_to_siocb(iocb);
++ size_t len;
+
+ sock_update_classid(sock->sk);
+
+@@ -627,7 +632,22 @@ static inline int __sock_sendmsg_nosec(s
+ si->msg = msg;
+ si->size = size;
+
+- return sock->ops->sendmsg(iocb, sock, msg, size);
++ len = sock->ops->sendmsg(iocb, sock, msg, size);
++ if (sock->sk) {
++ if (len == size)
++ vx_sock_send(sock->sk, size);
++ else
++ vx_sock_fail(sock->sk, size);
++ }
++ vxdprintk(VXD_CBIT(net, 7),
++ "__sock_sendmsg: %p[%p,%p,%p;%d/%d]:%d/%zu",
++ sock, sock->sk,
++ (sock->sk)?sock->sk->sk_nx_info:0,
++ (sock->sk)?sock->sk->sk_vx_info:0,
++ (sock->sk)?sock->sk->sk_xid:0,
++ (sock->sk)?sock->sk->sk_nid:0,
++ (unsigned int)size, len);
++ return len;
+ }
+
+ static inline int __sock_sendmsg(struct kiocb *iocb, struct socket *sock,
+@@ -783,6 +803,7 @@ static inline int __sock_recvmsg_nosec(s
+ struct msghdr *msg, size_t size, int flags)
+ {
+ struct sock_iocb *si = kiocb_to_siocb(iocb);
++ int len;
+
+ sock_update_classid(sock->sk);
+
+@@ -792,7 +813,18 @@ static inline int __sock_recvmsg_nosec(s
+ si->size = size;
+ si->flags = flags;
+
+- return sock->ops->recvmsg(iocb, sock, msg, size, flags);
++ len = sock->ops->recvmsg(iocb, sock, msg, size, flags);
++ if ((len >= 0) && sock->sk)
++ vx_sock_recv(sock->sk, len);
++ vxdprintk(VXD_CBIT(net, 7),
++ "__sock_recvmsg: %p[%p,%p,%p;%d/%d]:%d/%d",
++ sock, sock->sk,
++ (sock->sk)?sock->sk->sk_nx_info:0,
++ (sock->sk)?sock->sk->sk_vx_info:0,
++ (sock->sk)?sock->sk->sk_xid:0,
++ (sock->sk)?sock->sk->sk_nid:0,
++ (unsigned int)size, len);
++ return len;
+ }
+
+ static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
+@@ -1277,6 +1309,13 @@ int __sock_create(struct net *net, int f
+ if (type < 0 || type >= SOCK_MAX)
+ return -EINVAL;
+
++ if (!nx_check(0, VS_ADMIN)) {
++ if (family == PF_INET && !current_nx_info_has_v4())
++ return -EAFNOSUPPORT;
++ if (family == PF_INET6 && !current_nx_info_has_v6())
++ return -EAFNOSUPPORT;
++ }
++
+ /* Compatibility.
+
+ This uglymoron is moved from INET layer to here to avoid
+@@ -1411,6 +1450,7 @@ SYSCALL_DEFINE3(socket, int, family, int
+ if (retval < 0)
+ goto out;
+
++ set_bit(SOCK_USER_SOCKET, &sock->flags);
+ retval = sock_map_fd(sock, flags & (O_CLOEXEC | O_NONBLOCK));
+ if (retval < 0)
+ goto out_release;
+@@ -1452,10 +1492,12 @@ SYSCALL_DEFINE4(socketpair, int, family,
+ err = sock_create(family, type, protocol, &sock1);
+ if (err < 0)
+ goto out;
++ set_bit(SOCK_USER_SOCKET, &sock1->flags);
+
+ err = sock_create(family, type, protocol, &sock2);
+ if (err < 0)
+ goto out_release_1;
++ set_bit(SOCK_USER_SOCKET, &sock2->flags);
+
+ err = sock1->ops->socketpair(sock1, sock2);
+ if (err < 0)
+diff -NurpP --minimal linux-3.7.10/net/sunrpc/auth.c linux-3.7.10-vs2.3.5.6/net/sunrpc/auth.c
+--- linux-3.7.10/net/sunrpc/auth.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/sunrpc/auth.c 2012-12-18 15:13:16.000000000 +0000
+@@ -15,6 +15,7 @@
+ #include <linux/sunrpc/clnt.h>
+ #include <linux/sunrpc/gss_api.h>
+ #include <linux/spinlock.h>
++#include <linux/vs_tag.h>
+
+ #ifdef RPC_DEBUG
+ # define RPCDBG_FACILITY RPCDBG_AUTH
+@@ -481,6 +482,7 @@ rpcauth_lookupcred(struct rpc_auth *auth
+ memset(&acred, 0, sizeof(acred));
+ acred.uid = cred->fsuid;
+ acred.gid = cred->fsgid;
++ acred.tag = dx_current_tag();
+ acred.group_info = get_group_info(((struct cred *)cred)->group_info);
+
+ ret = auth->au_ops->lookup_cred(auth, &acred, flags);
+@@ -521,6 +523,7 @@ rpcauth_bind_root_cred(struct rpc_task *
+ struct auth_cred acred = {
+ .uid = 0,
+ .gid = 0,
++ .tag = dx_current_tag(),
+ };
+
+ dprintk("RPC: %5u looking up %s cred\n",
+diff -NurpP --minimal linux-3.7.10/net/sunrpc/auth_unix.c linux-3.7.10-vs2.3.5.6/net/sunrpc/auth_unix.c
+--- linux-3.7.10/net/sunrpc/auth_unix.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/sunrpc/auth_unix.c 2012-12-18 15:13:16.000000000 +0000
+@@ -13,11 +13,13 @@
+ #include <linux/sunrpc/clnt.h>
+ #include <linux/sunrpc/auth.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_tag.h>
+
+ #define NFS_NGROUPS 16
+
+ struct unx_cred {
+ struct rpc_cred uc_base;
++ tag_t uc_tag;
+ gid_t uc_gid;
+ gid_t uc_gids[NFS_NGROUPS];
+ };
+@@ -79,6 +81,7 @@ unx_create_cred(struct rpc_auth *auth, s
+ groups = NFS_NGROUPS;
+
+ cred->uc_gid = acred->gid;
++ cred->uc_tag = acred->tag;
+ for (i = 0; i < groups; i++) {
+ gid_t gid;
+ gid = from_kgid(&init_user_ns, GROUP_AT(acred->group_info, i));
+@@ -123,7 +126,9 @@ unx_match(struct auth_cred *acred, struc
+ unsigned int i;
+
+
+- if (cred->uc_uid != acred->uid || cred->uc_gid != acred->gid)
++ if (cred->uc_uid != acred->uid ||
++ cred->uc_gid != acred->gid ||
++ cred->uc_tag != acred->tag)
+ return 0;
+
+ if (acred->group_info != NULL)
+@@ -152,7 +157,7 @@ unx_marshal(struct rpc_task *task, __be3
+ struct rpc_clnt *clnt = task->tk_client;
+ struct unx_cred *cred = container_of(task->tk_rqstp->rq_cred, struct unx_cred, uc_base);
+ __be32 *base, *hold;
+- int i;
++ int i, tag;
+
+ *p++ = htonl(RPC_AUTH_UNIX);
+ base = p++;
+@@ -162,9 +167,12 @@ unx_marshal(struct rpc_task *task, __be3
+ * Copy the UTS nodename captured when the client was created.
+ */
+ p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen);
++ tag = task->tk_client->cl_tag;
+
+- *p++ = htonl((u32) cred->uc_uid);
+- *p++ = htonl((u32) cred->uc_gid);
++ *p++ = htonl((u32) TAGINO_UID(tag,
++ cred->uc_uid, cred->uc_tag));
++ *p++ = htonl((u32) TAGINO_GID(tag,
++ cred->uc_gid, cred->uc_tag));
+ hold = p++;
+ for (i = 0; i < 16 && cred->uc_gids[i] != (gid_t) NOGROUP; i++)
+ *p++ = htonl((u32) cred->uc_gids[i]);
+diff -NurpP --minimal linux-3.7.10/net/sunrpc/clnt.c linux-3.7.10-vs2.3.5.6/net/sunrpc/clnt.c
+--- linux-3.7.10/net/sunrpc/clnt.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/sunrpc/clnt.c 2013-02-05 01:14:43.000000000 +0000
+@@ -31,6 +31,7 @@
+ #include <linux/in6.h>
+ #include <linux/un.h>
+ #include <linux/rcupdate.h>
++#include <linux/vs_cvirt.h>
+
+ #include <linux/sunrpc/clnt.h>
+ #include <linux/sunrpc/rpc_pipe_fs.h>
+@@ -481,6 +482,9 @@ struct rpc_clnt *rpc_create(struct rpc_c
+ if (!(args->flags & RPC_CLNT_CREATE_QUIET))
+ clnt->cl_chatty = 1;
+
++ /* TODO: handle RPC_CLNT_CREATE_TAGGED
++ if (args->flags & RPC_CLNT_CREATE_TAGGED)
++ clnt->cl_tag = 1; */
+ return clnt;
+ }
+ EXPORT_SYMBOL_GPL(rpc_create);
+diff -NurpP --minimal linux-3.7.10/net/unix/af_unix.c linux-3.7.10-vs2.3.5.6/net/unix/af_unix.c
+--- linux-3.7.10/net/unix/af_unix.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/unix/af_unix.c 2012-12-18 15:13:16.000000000 +0000
+@@ -114,6 +114,8 @@
+ #include <linux/mount.h>
+ #include <net/checksum.h>
+ #include <linux/security.h>
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
+
+ struct hlist_head unix_socket_table[2 * UNIX_HASH_SIZE];
+ EXPORT_SYMBOL_GPL(unix_socket_table);
+@@ -271,6 +273,8 @@ static struct sock *__unix_find_socket_b
+ if (!net_eq(sock_net(s), net))
+ continue;
+
++ if (!nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (u->addr->len == len &&
+ !memcmp(u->addr->name, sunname, len))
+ goto found;
+@@ -2259,6 +2263,8 @@ static struct sock *unix_from_bucket(str
+ for (sk = sk_head(&unix_socket_table[bucket]); sk; sk = sk_next(sk)) {
+ if (sock_net(sk) != seq_file_net(seq))
+ continue;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (++count == offset)
+ break;
+ }
+@@ -2276,6 +2282,8 @@ static struct sock *unix_next_socket(str
+ sk = sk_next(sk);
+ if (!sk)
+ goto next_bucket;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sock_net(sk) == seq_file_net(seq))
+ return sk;
+ }
+diff -NurpP --minimal linux-3.7.10/scripts/checksyscalls.sh linux-3.7.10-vs2.3.5.6/scripts/checksyscalls.sh
+--- linux-3.7.10/scripts/checksyscalls.sh 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/scripts/checksyscalls.sh 2012-12-18 15:13:16.000000000 +0000
+@@ -193,7 +193,6 @@ cat << EOF
+ #define __IGNORE_afs_syscall
+ #define __IGNORE_getpmsg
+ #define __IGNORE_putpmsg
+-#define __IGNORE_vserver
+ EOF
+ }
+
+diff -NurpP --minimal linux-3.7.10/security/commoncap.c linux-3.7.10-vs2.3.5.6/security/commoncap.c
+--- linux-3.7.10/security/commoncap.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/security/commoncap.c 2012-12-18 15:13:16.000000000 +0000
+@@ -76,14 +76,20 @@ int cap_netlink_send(struct sock *sk, st
+ int cap_capable(const struct cred *cred, struct user_namespace *targ_ns,
+ int cap, int audit)
+ {
++ struct vx_info *vxi = current_vx_info(); /* FIXME: get vxi from cred? */
++
+ for (;;) {
+ /* The owner of the user namespace has all caps. */
+ if (targ_ns != &init_user_ns && uid_eq(targ_ns->owner, cred->euid))
+ return 0;
+
+ /* Do we have the necessary capabilities? */
+- if (targ_ns == cred->user_ns)
+- return cap_raised(cred->cap_effective, cap) ? 0 : -EPERM;
++ if (targ_ns == cred->user_ns) {
++ if (vx_info_flags(vxi, VXF_STATE_SETUP, 0) &&
++ cap_raised(cred->cap_effective, cap))
++ return 0;
++ return vx_cap_raised(vxi, cred->cap_effective, cap) ? 0 : -EPERM;
++ }
+
+ /* Have we tried all of the parent namespaces? */
+ if (targ_ns == &init_user_ns)
+@@ -619,7 +625,7 @@ int cap_inode_setxattr(struct dentry *de
+
+ if (!strncmp(name, XATTR_SECURITY_PREFIX,
+ sizeof(XATTR_SECURITY_PREFIX) - 1) &&
+- !capable(CAP_SYS_ADMIN))
++ !vx_capable(CAP_SYS_ADMIN, VXC_FS_SECURITY))
+ return -EPERM;
+ return 0;
+ }
+@@ -645,7 +651,7 @@ int cap_inode_removexattr(struct dentry
+
+ if (!strncmp(name, XATTR_SECURITY_PREFIX,
+ sizeof(XATTR_SECURITY_PREFIX) - 1) &&
+- !capable(CAP_SYS_ADMIN))
++ !vx_capable(CAP_SYS_ADMIN, VXC_FS_SECURITY))
+ return -EPERM;
+ return 0;
+ }
+diff -NurpP --minimal linux-3.7.10/security/selinux/hooks.c linux-3.7.10-vs2.3.5.6/security/selinux/hooks.c
+--- linux-3.7.10/security/selinux/hooks.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/security/selinux/hooks.c 2012-12-18 15:13:16.000000000 +0000
+@@ -66,7 +66,6 @@
+ #include <linux/dccp.h>
+ #include <linux/quota.h>
+ #include <linux/un.h> /* for Unix socket types */
+-#include <net/af_unix.h> /* for Unix socket types */
+ #include <linux/parser.h>
+ #include <linux/nfs_mount.h>
+ #include <net/ipv6.h>
diff --git a/main/linux-vserver/patch-3.9.2-vs2.3.5.6.diff b/main/linux-vserver/patch-3.9.2-vs2.3.5.6.diff
new file mode 100644
index 0000000000..a35ca32a0b
--- /dev/null
+++ b/main/linux-vserver/patch-3.9.2-vs2.3.5.6.diff
@@ -0,0 +1,26174 @@
+diff -NurpP --minimal linux-3.7.10/Documentation/vserver/debug.txt linux-3.7.10-vs2.3.5.6/Documentation/vserver/debug.txt
+--- linux-3.7.10/Documentation/vserver/debug.txt 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/Documentation/vserver/debug.txt 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,154 @@
++
++debug_cvirt:
++
++ 2 4 "vx_map_tgid: %p/%llx: %d -> %d"
++ "vx_rmap_tgid: %p/%llx: %d -> %d"
++
++debug_dlim:
++
++ 0 1 "ALLOC (%p,#%d)%c inode (%d)"
++ "FREE (%p,#%d)%c inode"
++ 1 2 "ALLOC (%p,#%d)%c %lld bytes (%d)"
++ "FREE (%p,#%d)%c %lld bytes"
++ 2 4 "ADJUST: %lld,%lld on %ld,%ld [mult=%d]"
++ 3 8 "ext3_has_free_blocks(%p): %lu<%lu+1, %c, %u!=%u r=%d"
++ "ext3_has_free_blocks(%p): free=%lu, root=%lu"
++ "rcu_free_dl_info(%p)"
++ 4 10 "alloc_dl_info(%p,%d) = %p"
++ "dealloc_dl_info(%p)"
++ "get_dl_info(%p[#%d.%d])"
++ "put_dl_info(%p[#%d.%d])"
++ 5 20 "alloc_dl_info(%p,%d)*"
++ 6 40 "__hash_dl_info: %p[#%d]"
++ "__unhash_dl_info: %p[#%d]"
++ 7 80 "locate_dl_info(%p,#%d) = %p"
++
++debug_misc:
++
++ 0 1 "destroy_dqhash: %p [#0x%08x] c=%d"
++ "new_dqhash: %p [#0x%08x]"
++ "vroot[%d]_clr_dev: dev=%p[%lu,%d:%d]"
++ "vroot[%d]_get_real_bdev: dev=%p[%lu,%d:%d]"
++ "vroot[%d]_set_dev: dev=%p[%lu,%d:%d]"
++ "vroot_get_real_bdev not set"
++ 1 2 "cow_break_link(»%s«)"
++ "temp copy »%s«"
++ 2 4 "dentry_open(new): %p"
++ "dentry_open(old): %p"
++ "lookup_create(new): %p"
++ "old path »%s«"
++ "path_lookup(old): %d"
++ "vfs_create(new): %d"
++ "vfs_rename: %d"
++ "vfs_sendfile: %d"
++ 3 8 "fput(new_file=%p[#%d])"
++ "fput(old_file=%p[#%d])"
++ 4 10 "vx_info_kill(%p[#%d],%d,%d) = %d"
++ "vx_info_kill(%p[#%d],%d,%d)*"
++ 5 20 "vs_reboot(%p[#%d],%d)"
++ 6 40 "dropping task %p[#%u,%u] for %p[#%u,%u]"
++
++debug_net:
++
++ 2 4 "nx_addr_conflict(%p,%p) %d.%d,%d.%d"
++ 3 8 "inet_bind(%p) %d.%d.%d.%d, %d.%d.%d.%d, %d.%d.%d.%d"
++ "inet_bind(%p)* %p,%p;%lx %d.%d.%d.%d"
++ 4 10 "ip_route_connect(%p) %p,%p;%lx"
++ 5 20 "__addr_in_socket(%p,%d.%d.%d.%d) %p:%d.%d.%d.%d %p;%lx"
++ 6 40 "sk,egf: %p [#%d] (from %d)"
++ "sk,egn: %p [#%d] (from %d)"
++ "sk,req: %p [#%d] (from %d)"
++ "sk: %p [#%d] (from %d)"
++ "tw: %p [#%d] (from %d)"
++ 7 80 "__sock_recvmsg: %p[%p,%p,%p;%d]:%d/%d"
++ "__sock_sendmsg: %p[%p,%p,%p;%d]:%d/%d"
++
++debug_nid:
++
++ 0 1 "__lookup_nx_info(#%u): %p[#%u]"
++ "alloc_nx_info(%d) = %p"
++ "create_nx_info(%d) (dynamic rejected)"
++ "create_nx_info(%d) = %p (already there)"
++ "create_nx_info(%d) = %p (new)"
++ "dealloc_nx_info(%p)"
++ 1 2 "alloc_nx_info(%d)*"
++ "create_nx_info(%d)*"
++ 2 4 "get_nx_info(%p[#%d.%d])"
++ "put_nx_info(%p[#%d.%d])"
++ 3 8 "claim_nx_info(%p[#%d.%d.%d]) %p"
++ "clr_nx_info(%p[#%d.%d])"
++ "init_nx_info(%p[#%d.%d])"
++ "release_nx_info(%p[#%d.%d.%d]) %p"
++ "set_nx_info(%p[#%d.%d])"
++ 4 10 "__hash_nx_info: %p[#%d]"
++ "__nx_dynamic_id: [#%d]"
++ "__unhash_nx_info: %p[#%d.%d.%d]"
++ 5 20 "moved task %p into nxi:%p[#%d]"
++ "nx_migrate_task(%p,%p[#%d.%d.%d])"
++ "task_get_nx_info(%p)"
++ 6 40 "nx_clear_persistent(%p[#%d])"
++
++debug_quota:
++
++ 0 1 "quota_sync_dqh(%p,%d) discard inode %p"
++ 1 2 "quota_sync_dqh(%p,%d)"
++ "sync_dquots(%p,%d)"
++ "sync_dquots_dqh(%p,%d)"
++ 3 8 "do_quotactl(%p,%d,cmd=%d,id=%d,%p)"
++
++debug_switch:
++
++ 0 1 "vc: VCMD_%02d_%d[%d], %d,%p [%d,%d,%x,%x]"
++ 1 2 "vc: VCMD_%02d_%d[%d] = %08lx(%ld) [%d,%d]"
++ 4 10 "%s: (%s %s) returned %s with %d"
++
++debug_tag:
++
++ 7 80 "dx_parse_tag(»%s«): %d:#%d"
++ "dx_propagate_tag(%p[#%lu.%d]): %d,%d"
++
++debug_xid:
++
++ 0 1 "__lookup_vx_info(#%u): %p[#%u]"
++ "alloc_vx_info(%d) = %p"
++ "alloc_vx_info(%d)*"
++ "create_vx_info(%d) (dynamic rejected)"
++ "create_vx_info(%d) = %p (already there)"
++ "create_vx_info(%d) = %p (new)"
++ "dealloc_vx_info(%p)"
++ "loc_vx_info(%d) = %p (found)"
++ "loc_vx_info(%d) = %p (new)"
++ "loc_vx_info(%d) = %p (not available)"
++ 1 2 "create_vx_info(%d)*"
++ "loc_vx_info(%d)*"
++ 2 4 "get_vx_info(%p[#%d.%d])"
++ "put_vx_info(%p[#%d.%d])"
++ 3 8 "claim_vx_info(%p[#%d.%d.%d]) %p"
++ "clr_vx_info(%p[#%d.%d])"
++ "init_vx_info(%p[#%d.%d])"
++ "release_vx_info(%p[#%d.%d.%d]) %p"
++ "set_vx_info(%p[#%d.%d])"
++ 4 10 "__hash_vx_info: %p[#%d]"
++ "__unhash_vx_info: %p[#%d.%d.%d]"
++ "__vx_dynamic_id: [#%d]"
++ 5 20 "enter_vx_info(%p[#%d],%p) %p[#%d,%p]"
++ "leave_vx_info(%p[#%d,%p]) %p[#%d,%p]"
++ "moved task %p into vxi:%p[#%d]"
++ "task_get_vx_info(%p)"
++ "vx_migrate_task(%p,%p[#%d.%d])"
++ 6 40 "vx_clear_persistent(%p[#%d])"
++ "vx_exit_init(%p[#%d],%p[#%d,%d,%d])"
++ "vx_set_init(%p[#%d],%p[#%d,%d,%d])"
++ "vx_set_persistent(%p[#%d])"
++ "vx_set_reaper(%p[#%d],%p[#%d,%d])"
++ 7 80 "vx_child_reaper(%p[#%u,%u]) = %p[#%u,%u]"
++
++
++debug_limit:
++
++ n 2^n "vx_acc_cres[%5d,%s,%2d]: %5d%s"
++ "vx_cres_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
++
++ m 2^m "vx_acc_page[%5d,%s,%2d]: %5d%s"
++ "vx_acc_pages[%5d,%s,%2d]: %5d += %5d"
++ "vx_pages_avail[%5d,%s,%2d]: %5ld > %5d + %5d"
+diff -NurpP --minimal linux-3.7.10/Makefile linux-3.7.10-vs2.3.5.6/Makefile
+--- linux-3.7.10/Makefile 2013-03-02 09:54:53.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/Makefile 2013-03-02 17:55:53.000000000 +0000
+@@ -1,7 +1,7 @@
+ VERSION = 3
+ PATCHLEVEL = 7
+ SUBLEVEL = 10
+-EXTRAVERSION =
++EXTRAVERSION = -vs2.3.5.6
+ NAME = Terrified Chipmunk
+
+ # *DOCUMENTATION*
+diff -NurpP --minimal linux-3.7.10/arch/alpha/Kconfig linux-3.7.10-vs2.3.5.6/arch/alpha/Kconfig
+--- linux-3.7.10/arch/alpha/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/alpha/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -668,6 +668,8 @@ config DUMMY_CONSOLE
+ depends on VGA_HOSE
+ default y
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/alpha/kernel/systbls.S linux-3.7.10-vs2.3.5.6/arch/alpha/kernel/systbls.S
+--- linux-3.7.10/arch/alpha/kernel/systbls.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/alpha/kernel/systbls.S 2012-12-18 15:13:16.000000000 +0000
+@@ -446,7 +446,7 @@ sys_call_table:
+ .quad sys_stat64 /* 425 */
+ .quad sys_lstat64
+ .quad sys_fstat64
+- .quad sys_ni_syscall /* sys_vserver */
++ .quad sys_vserver /* sys_vserver */
+ .quad sys_ni_syscall /* sys_mbind */
+ .quad sys_ni_syscall /* sys_get_mempolicy */
+ .quad sys_ni_syscall /* sys_set_mempolicy */
+diff -NurpP --minimal linux-3.7.10/arch/alpha/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/alpha/kernel/traps.c
+--- linux-3.7.10/arch/alpha/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/alpha/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -184,7 +184,8 @@ die_if_kernel(char * str, struct pt_regs
+ #ifdef CONFIG_SMP
+ printk("CPU %d ", hard_smp_processor_id());
+ #endif
+- printk("%s(%d): %s %ld\n", current->comm, task_pid_nr(current), str, err);
++ printk("%s(%d[#%u]): %s %ld\n", current->comm,
++ task_pid_nr(current), current->xid, str, err);
+ dik_show_regs(regs, r9_15);
+ add_taint(TAINT_DIE);
+ dik_show_trace((unsigned long *)(regs+1));
+diff -NurpP --minimal linux-3.7.10/arch/arm/Kconfig linux-3.7.10-vs2.3.5.6/arch/arm/Kconfig
+--- linux-3.7.10/arch/arm/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/arm/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -2307,6 +2307,8 @@ source "fs/Kconfig"
+
+ source "arch/arm/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/arm/kernel/calls.S linux-3.7.10-vs2.3.5.6/arch/arm/kernel/calls.S
+--- linux-3.7.10/arch/arm/kernel/calls.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/arm/kernel/calls.S 2012-12-18 15:13:16.000000000 +0000
+@@ -322,7 +322,7 @@
+ /* 310 */ CALL(sys_request_key)
+ CALL(sys_keyctl)
+ CALL(ABI(sys_semtimedop, sys_oabi_semtimedop))
+-/* vserver */ CALL(sys_ni_syscall)
++ CALL(sys_vserver)
+ CALL(sys_ioprio_set)
+ /* 315 */ CALL(sys_ioprio_get)
+ CALL(sys_inotify_init)
+diff -NurpP --minimal linux-3.7.10/arch/arm/kernel/process.c linux-3.7.10-vs2.3.5.6/arch/arm/kernel/process.c
+--- linux-3.7.10/arch/arm/kernel/process.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/arm/kernel/process.c 2012-12-18 15:13:16.000000000 +0000
+@@ -337,7 +337,8 @@ void __show_regs(struct pt_regs *regs)
+ void show_regs(struct pt_regs * regs)
+ {
+ printk("\n");
+- printk("Pid: %d, comm: %20s\n", task_pid_nr(current), current->comm);
++ printk("Pid: %d[#%u], comm: %20s\n",
++ task_pid_nr(current), current->xid, current->comm);
+ __show_regs(regs);
+ dump_stack();
+ }
+diff -NurpP --minimal linux-3.7.10/arch/arm/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/arm/kernel/traps.c
+--- linux-3.7.10/arch/arm/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/arm/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -249,8 +249,8 @@ static int __die(const char *str, int er
+
+ print_modules();
+ __show_regs(regs);
+- printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n",
+- TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk));
++ printk(KERN_EMERG "Process %.*s (pid: %d:#%u, stack limit = 0x%p)\n",
++ TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), tsk->xid, end_of_stack(tsk));
+
+ if (!user_mode(regs) || in_interrupt()) {
+ dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp,
+diff -NurpP --minimal linux-3.7.10/arch/cris/Kconfig linux-3.7.10-vs2.3.5.6/arch/cris/Kconfig
+--- linux-3.7.10/arch/cris/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/cris/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -670,6 +670,8 @@ source "drivers/staging/Kconfig"
+
+ source "arch/cris/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/h8300/Kconfig linux-3.7.10-vs2.3.5.6/arch/h8300/Kconfig
+--- linux-3.7.10/arch/h8300/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/h8300/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -217,6 +217,8 @@ source "fs/Kconfig"
+
+ source "arch/h8300/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/ia64/Kconfig linux-3.7.10-vs2.3.5.6/arch/ia64/Kconfig
+--- linux-3.7.10/arch/ia64/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/ia64/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -644,6 +644,8 @@ source "fs/Kconfig"
+
+ source "arch/ia64/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/ia64/kernel/entry.S linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/entry.S
+--- linux-3.7.10/arch/ia64/kernel/entry.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/entry.S 2012-12-18 15:13:16.000000000 +0000
+@@ -1714,7 +1714,7 @@ sys_call_table:
+ data8 sys_mq_notify
+ data8 sys_mq_getsetattr
+ data8 sys_kexec_load
+- data8 sys_ni_syscall // reserved for vserver
++ data8 sys_vserver
+ data8 sys_waitid // 1270
+ data8 sys_add_key
+ data8 sys_request_key
+diff -NurpP --minimal linux-3.7.10/arch/ia64/kernel/process.c linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/process.c
+--- linux-3.7.10/arch/ia64/kernel/process.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/process.c 2012-12-18 15:13:16.000000000 +0000
+@@ -111,8 +111,8 @@ show_regs (struct pt_regs *regs)
+ unsigned long ip = regs->cr_iip + ia64_psr(regs)->ri;
+
+ print_modules();
+- printk("\nPid: %d, CPU %d, comm: %20s\n", task_pid_nr(current),
+- smp_processor_id(), current->comm);
++ printk("\nPid: %d[#%u], CPU %d, comm: %20s\n", task_pid_nr(current),
++ current->xid, smp_processor_id(), current->comm);
+ printk("psr : %016lx ifs : %016lx ip : [<%016lx>] %s (%s)\n",
+ regs->cr_ipsr, regs->cr_ifs, ip, print_tainted(),
+ init_utsname()->release);
+diff -NurpP --minimal linux-3.7.10/arch/ia64/kernel/ptrace.c linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/ptrace.c
+--- linux-3.7.10/arch/ia64/kernel/ptrace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/ptrace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/regset.h>
+ #include <linux/elf.h>
+ #include <linux/tracehook.h>
++#include <linux/vs_base.h>
+
+ #include <asm/pgtable.h>
+ #include <asm/processor.h>
+diff -NurpP --minimal linux-3.7.10/arch/ia64/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/traps.c
+--- linux-3.7.10/arch/ia64/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/ia64/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -60,8 +60,9 @@ die (const char *str, struct pt_regs *re
+ put_cpu();
+
+ if (++die.lock_owner_depth < 3) {
+- printk("%s[%d]: %s %ld [%d]\n",
+- current->comm, task_pid_nr(current), str, err, ++die_counter);
++ printk("%s[%d[#%u]]: %s %ld [%d]\n",
++ current->comm, task_pid_nr(current), current->xid,
++ str, err, ++die_counter);
+ if (notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV)
+ != NOTIFY_STOP)
+ show_regs(regs);
+@@ -324,8 +325,9 @@ handle_fpu_swa (int fp_fault, struct pt_
+ if ((last.count & 15) < 5 && (ia64_fetchadd(1, &last.count, acq) & 15) < 5) {
+ last.time = current_jiffies + 5 * HZ;
+ printk(KERN_WARNING
+- "%s(%d): floating-point assist fault at ip %016lx, isr %016lx\n",
+- current->comm, task_pid_nr(current), regs->cr_iip + ia64_psr(regs)->ri, isr);
++ "%s(%d[#%u]): floating-point assist fault at ip %016lx, isr %016lx\n",
++ current->comm, task_pid_nr(current), current->xid,
++ regs->cr_iip + ia64_psr(regs)->ri, isr);
+ }
+ }
+ }
+diff -NurpP --minimal linux-3.7.10/arch/m32r/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/m32r/kernel/traps.c
+--- linux-3.7.10/arch/m32r/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/m32r/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -195,8 +195,9 @@ static void show_registers(struct pt_reg
+ } else {
+ printk("SPI: %08lx\n", sp);
+ }
+- printk("Process %s (pid: %d, process nr: %d, stackpage=%08lx)",
+- current->comm, task_pid_nr(current), 0xffff & i, 4096+(unsigned long)current);
++ printk("Process %s (pid: %d[#%u], process nr: %d, stackpage=%08lx)",
++ current->comm, task_pid_nr(current), current->xid,
++ 0xffff & i, 4096+(unsigned long)current);
+
+ /*
+ * When in-kernel, we also print out the stack and code at the
+diff -NurpP --minimal linux-3.7.10/arch/m68k/Kconfig linux-3.7.10-vs2.3.5.6/arch/m68k/Kconfig
+--- linux-3.7.10/arch/m68k/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/m68k/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -135,6 +135,8 @@ source "fs/Kconfig"
+
+ source "arch/m68k/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/mips/Kconfig linux-3.7.10-vs2.3.5.6/arch/mips/Kconfig
+--- linux-3.7.10/arch/mips/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -2574,6 +2574,8 @@ source "fs/Kconfig"
+
+ source "arch/mips/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/ptrace.c linux-3.7.10-vs2.3.5.6/arch/mips/kernel/ptrace.c
+--- linux-3.7.10/arch/mips/kernel/ptrace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/ptrace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,7 @@
+ #include <linux/security.h>
+ #include <linux/audit.h>
+ #include <linux/seccomp.h>
++#include <linux/vs_base.h>
+
+ #include <asm/byteorder.h>
+ #include <asm/cpu.h>
+@@ -262,6 +263,9 @@ long arch_ptrace(struct task_struct *chi
+ void __user *datavp = (void __user *) data;
+ unsigned long __user *datalp = (void __user *) data;
+
++ if (!vx_check(vx_task_xid(child), VS_WATCH_P | VS_IDENT))
++ goto out;
++
+ switch (request) {
+ /* when I and D space are separate, these will need to be fixed. */
+ case PTRACE_PEEKTEXT: /* read word at location addr. */
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/scall32-o32.S linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall32-o32.S
+--- linux-3.7.10/arch/mips/kernel/scall32-o32.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall32-o32.S 2012-12-18 15:13:16.000000000 +0000
+@@ -512,7 +512,7 @@ einval: li v0, -ENOSYS
+ sys sys_mq_timedreceive 5
+ sys sys_mq_notify 2 /* 4275 */
+ sys sys_mq_getsetattr 3
+- sys sys_ni_syscall 0 /* sys_vserver */
++ sys sys_vserver 3
+ sys sys_waitid 5
+ sys sys_ni_syscall 0 /* available, was setaltroot */
+ sys sys_add_key 5 /* 4280 */
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/scall64-64.S linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-64.S
+--- linux-3.7.10/arch/mips/kernel/scall64-64.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-64.S 2012-12-18 15:13:16.000000000 +0000
+@@ -351,7 +351,7 @@ sys_call_table:
+ PTR sys_mq_timedreceive
+ PTR sys_mq_notify
+ PTR sys_mq_getsetattr /* 5235 */
+- PTR sys_ni_syscall /* sys_vserver */
++ PTR sys_vserver
+ PTR sys_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/scall64-n32.S linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-n32.S
+--- linux-3.7.10/arch/mips/kernel/scall64-n32.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-n32.S 2012-12-18 15:13:16.000000000 +0000
+@@ -350,7 +350,7 @@ EXPORT(sysn32_call_table)
+ PTR compat_sys_mq_timedreceive
+ PTR compat_sys_mq_notify
+ PTR compat_sys_mq_getsetattr
+- PTR sys_ni_syscall /* 6240, sys_vserver */
++ PTR sys32_vserver /* 6240 */
+ PTR compat_sys_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/scall64-o32.S linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-o32.S
+--- linux-3.7.10/arch/mips/kernel/scall64-o32.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/scall64-o32.S 2012-12-18 15:13:16.000000000 +0000
+@@ -469,7 +469,7 @@ sys_call_table:
+ PTR compat_sys_mq_timedreceive
+ PTR compat_sys_mq_notify /* 4275 */
+ PTR compat_sys_mq_getsetattr
+- PTR sys_ni_syscall /* sys_vserver */
++ PTR sys32_vserver
+ PTR sys_32_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key /* 4280 */
+diff -NurpP --minimal linux-3.7.10/arch/mips/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/mips/kernel/traps.c
+--- linux-3.7.10/arch/mips/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/mips/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -347,9 +347,10 @@ void show_registers(struct pt_regs *regs
+
+ __show_regs(regs);
+ print_modules();
+- printk("Process %s (pid: %d, threadinfo=%p, task=%p, tls=%0*lx)\n",
+- current->comm, current->pid, current_thread_info(), current,
+- field, current_thread_info()->tp_value);
++ printk("Process %s (pid: %d:#%u, threadinfo=%p, task=%p, tls=%0*lx)\n",
++ current->comm, task_pid_nr(current), current->xid,
++ current_thread_info(), current,
++ field, current_thread_info()->tp_value);
+ if (cpu_has_userlocal) {
+ unsigned long tls;
+
+diff -NurpP --minimal linux-3.7.10/arch/parisc/Kconfig linux-3.7.10-vs2.3.5.6/arch/parisc/Kconfig
+--- linux-3.7.10/arch/parisc/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/parisc/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -284,6 +284,8 @@ source "fs/Kconfig"
+
+ source "arch/parisc/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/parisc/kernel/syscall_table.S linux-3.7.10-vs2.3.5.6/arch/parisc/kernel/syscall_table.S
+--- linux-3.7.10/arch/parisc/kernel/syscall_table.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/parisc/kernel/syscall_table.S 2012-12-18 15:13:16.000000000 +0000
+@@ -361,7 +361,7 @@
+ ENTRY_COMP(mbind) /* 260 */
+ ENTRY_COMP(get_mempolicy)
+ ENTRY_COMP(set_mempolicy)
+- ENTRY_SAME(ni_syscall) /* 263: reserved for vserver */
++ ENTRY_DIFF(vserver)
+ ENTRY_SAME(add_key)
+ ENTRY_SAME(request_key) /* 265 */
+ ENTRY_SAME(keyctl)
+diff -NurpP --minimal linux-3.7.10/arch/parisc/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/parisc/kernel/traps.c
+--- linux-3.7.10/arch/parisc/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/parisc/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -235,8 +235,9 @@ void die_if_kernel(char *str, struct pt_
+ if (err == 0)
+ return; /* STFU */
+
+- printk(KERN_CRIT "%s (pid %d): %s (code %ld) at " RFMT "\n",
+- current->comm, task_pid_nr(current), str, err, regs->iaoq[0]);
++ printk(KERN_CRIT "%s (pid %d:#%u): %s (code %ld) at " RFMT "\n",
++ current->comm, task_pid_nr(current), current->xid,
++ str, err, regs->iaoq[0]);
+ #ifdef PRINT_USER_FAULTS
+ /* XXX for debugging only */
+ show_regs(regs);
+@@ -269,8 +270,8 @@ void die_if_kernel(char *str, struct pt_
+ pdc_console_restart();
+
+ if (err)
+- printk(KERN_CRIT "%s (pid %d): %s (code %ld)\n",
+- current->comm, task_pid_nr(current), str, err);
++ printk(KERN_CRIT "%s (pid %d:#%u): %s (code %ld)\n",
++ current->comm, task_pid_nr(current), current->xid, str, err);
+
+ /* Wot's wrong wif bein' racy? */
+ if (current->thread.flags & PARISC_KERNEL_DEATH) {
+diff -NurpP --minimal linux-3.7.10/arch/parisc/mm/fault.c linux-3.7.10-vs2.3.5.6/arch/parisc/mm/fault.c
+--- linux-3.7.10/arch/parisc/mm/fault.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/parisc/mm/fault.c 2012-12-18 15:13:16.000000000 +0000
+@@ -237,8 +237,9 @@ bad_area:
+
+ #ifdef PRINT_USER_FAULTS
+ printk(KERN_DEBUG "\n");
+- printk(KERN_DEBUG "do_page_fault() pid=%d command='%s' type=%lu address=0x%08lx\n",
+- task_pid_nr(tsk), tsk->comm, code, address);
++ printk(KERN_DEBUG "do_page_fault() pid=%d:#%u "
++ "command='%s' type=%lu address=0x%08lx\n",
++ task_pid_nr(tsk), tsk->xid, tsk->comm, code, address);
+ if (vma) {
+ printk(KERN_DEBUG "vm_start = 0x%08lx, vm_end = 0x%08lx\n",
+ vma->vm_start, vma->vm_end);
+diff -NurpP --minimal linux-3.7.10/arch/powerpc/Kconfig linux-3.7.10-vs2.3.5.6/arch/powerpc/Kconfig
+--- linux-3.7.10/arch/powerpc/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/powerpc/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -1014,6 +1014,8 @@ source "lib/Kconfig"
+
+ source "arch/powerpc/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ config KEYS_COMPAT
+diff -NurpP --minimal linux-3.7.10/arch/powerpc/include/uapi/asm/unistd.h linux-3.7.10-vs2.3.5.6/arch/powerpc/include/uapi/asm/unistd.h
+--- linux-3.7.10/arch/powerpc/include/uapi/asm/unistd.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/powerpc/include/uapi/asm/unistd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -275,7 +275,7 @@
+ #endif
+ #define __NR_rtas 255
+ #define __NR_sys_debug_setcontext 256
+-/* Number 257 is reserved for vserver */
++#define __NR_vserver 257
+ #define __NR_migrate_pages 258
+ #define __NR_mbind 259
+ #define __NR_get_mempolicy 260
+diff -NurpP --minimal linux-3.7.10/arch/powerpc/kernel/process.c linux-3.7.10-vs2.3.5.6/arch/powerpc/kernel/process.c
+--- linux-3.7.10/arch/powerpc/kernel/process.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/powerpc/kernel/process.c 2012-12-18 15:13:16.000000000 +0000
+@@ -660,8 +660,9 @@ void show_regs(struct pt_regs * regs)
+ #else
+ printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr);
+ #endif
+- printk("TASK = %p[%d] '%s' THREAD: %p",
+- current, task_pid_nr(current), current->comm, task_thread_info(current));
++ printk("TASK = %p[%d,#%u] '%s' THREAD: %p",
++ current, task_pid_nr(current), current->xid,
++ current->comm, task_thread_info(current));
+
+ #ifdef CONFIG_SMP
+ printk(" CPU: %d", raw_smp_processor_id());
+diff -NurpP --minimal linux-3.7.10/arch/powerpc/kernel/traps.c linux-3.7.10-vs2.3.5.6/arch/powerpc/kernel/traps.c
+--- linux-3.7.10/arch/powerpc/kernel/traps.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/powerpc/kernel/traps.c 2012-12-18 15:13:16.000000000 +0000
+@@ -1120,8 +1120,9 @@ void nonrecoverable_exception(struct pt_
+
+ void trace_syscall(struct pt_regs *regs)
+ {
+- printk("Task: %p(%d), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
+- current, task_pid_nr(current), regs->nip, regs->link, regs->gpr[0],
++ printk("Task: %p(%d[#%u]), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
++ current, task_pid_nr(current), current->xid,
++ regs->nip, regs->link, regs->gpr[0],
+ regs->ccr&0x10000000?"Error=":"", regs->gpr[3], print_tainted());
+ }
+
+diff -NurpP --minimal linux-3.7.10/arch/s390/Kconfig linux-3.7.10-vs2.3.5.6/arch/s390/Kconfig
+--- linux-3.7.10/arch/s390/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/s390/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -530,6 +530,8 @@ source "fs/Kconfig"
+
+ source "arch/s390/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/s390/include/asm/tlb.h linux-3.7.10-vs2.3.5.6/arch/s390/include/asm/tlb.h
+--- linux-3.7.10/arch/s390/include/asm/tlb.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/s390/include/asm/tlb.h 2012-12-18 15:13:16.000000000 +0000
+@@ -24,6 +24,7 @@
+ #include <linux/mm.h>
+ #include <linux/pagemap.h>
+ #include <linux/swap.h>
++
+ #include <asm/processor.h>
+ #include <asm/pgalloc.h>
+ #include <asm/tlbflush.h>
+diff -NurpP --minimal linux-3.7.10/arch/s390/include/uapi/asm/unistd.h linux-3.7.10-vs2.3.5.6/arch/s390/include/uapi/asm/unistd.h
+--- linux-3.7.10/arch/s390/include/uapi/asm/unistd.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/s390/include/uapi/asm/unistd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -200,7 +200,7 @@
+ #define __NR_clock_gettime (__NR_timer_create+6)
+ #define __NR_clock_getres (__NR_timer_create+7)
+ #define __NR_clock_nanosleep (__NR_timer_create+8)
+-/* Number 263 is reserved for vserver */
++#define __NR_vserver 263
+ #define __NR_statfs64 265
+ #define __NR_fstatfs64 266
+ #define __NR_remap_file_pages 267
+diff -NurpP --minimal linux-3.7.10/arch/s390/kernel/ptrace.c linux-3.7.10-vs2.3.5.6/arch/s390/kernel/ptrace.c
+--- linux-3.7.10/arch/s390/kernel/ptrace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/s390/kernel/ptrace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/tracehook.h>
+ #include <linux/seccomp.h>
+ #include <linux/compat.h>
++#include <linux/vs_base.h>
+ #include <trace/syscall.h>
+ #include <asm/segment.h>
+ #include <asm/page.h>
+diff -NurpP --minimal linux-3.7.10/arch/s390/kernel/syscalls.S linux-3.7.10-vs2.3.5.6/arch/s390/kernel/syscalls.S
+--- linux-3.7.10/arch/s390/kernel/syscalls.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/s390/kernel/syscalls.S 2012-12-18 15:13:16.000000000 +0000
+@@ -271,7 +271,7 @@ SYSCALL(sys_clock_settime,sys_clock_sett
+ SYSCALL(sys_clock_gettime,sys_clock_gettime,sys32_clock_gettime_wrapper) /* 260 */
+ SYSCALL(sys_clock_getres,sys_clock_getres,sys32_clock_getres_wrapper)
+ SYSCALL(sys_clock_nanosleep,sys_clock_nanosleep,sys32_clock_nanosleep_wrapper)
+-NI_SYSCALL /* reserved for vserver */
++SYSCALL(sys_vserver,sys_vserver,sys32_vserver)
+ SYSCALL(sys_s390_fadvise64_64,sys_ni_syscall,sys32_fadvise64_64_wrapper)
+ SYSCALL(sys_statfs64,sys_statfs64,compat_sys_statfs64_wrapper)
+ SYSCALL(sys_fstatfs64,sys_fstatfs64,compat_sys_fstatfs64_wrapper)
+diff -NurpP --minimal linux-3.7.10/arch/sh/Kconfig linux-3.7.10-vs2.3.5.6/arch/sh/Kconfig
+--- linux-3.7.10/arch/sh/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sh/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -945,6 +945,8 @@ source "fs/Kconfig"
+
+ source "arch/sh/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/sh/kernel/irq.c linux-3.7.10-vs2.3.5.6/arch/sh/kernel/irq.c
+--- linux-3.7.10/arch/sh/kernel/irq.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sh/kernel/irq.c 2012-12-18 15:13:16.000000000 +0000
+@@ -14,6 +14,7 @@
+ #include <linux/ftrace.h>
+ #include <linux/delay.h>
+ #include <linux/ratelimit.h>
++// #include <linux/vs_context.h>
+ #include <asm/processor.h>
+ #include <asm/machvec.h>
+ #include <asm/uaccess.h>
+diff -NurpP --minimal linux-3.7.10/arch/sparc/Kconfig linux-3.7.10-vs2.3.5.6/arch/sparc/Kconfig
+--- linux-3.7.10/arch/sparc/Kconfig 2013-03-02 09:54:54.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sparc/Kconfig 2013-03-02 15:26:03.000000000 +0000
+@@ -565,6 +565,8 @@ source "fs/Kconfig"
+
+ source "arch/sparc/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/sparc/include/uapi/asm/unistd.h linux-3.7.10-vs2.3.5.6/arch/sparc/include/uapi/asm/unistd.h
+--- linux-3.7.10/arch/sparc/include/uapi/asm/unistd.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sparc/include/uapi/asm/unistd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -332,7 +332,7 @@
+ #define __NR_timer_getoverrun 264
+ #define __NR_timer_delete 265
+ #define __NR_timer_create 266
+-/* #define __NR_vserver 267 Reserved for VSERVER */
++#define __NR_vserver 267
+ #define __NR_io_setup 268
+ #define __NR_io_destroy 269
+ #define __NR_io_submit 270
+diff -NurpP --minimal linux-3.7.10/arch/sparc/kernel/systbls_32.S linux-3.7.10-vs2.3.5.6/arch/sparc/kernel/systbls_32.S
+--- linux-3.7.10/arch/sparc/kernel/systbls_32.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sparc/kernel/systbls_32.S 2012-12-18 15:13:16.000000000 +0000
+@@ -70,7 +70,7 @@ sys_call_table:
+ /*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_ni_syscall
+ /*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
+ /*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
+-/*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy
++/*265*/ .long sys_timer_delete, sys_timer_create, sys_vserver, sys_io_setup, sys_io_destroy
+ /*270*/ .long sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
+ /*275*/ .long sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
+ /*280*/ .long sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
+diff -NurpP --minimal linux-3.7.10/arch/sparc/kernel/systbls_64.S linux-3.7.10-vs2.3.5.6/arch/sparc/kernel/systbls_64.S
+--- linux-3.7.10/arch/sparc/kernel/systbls_64.S 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/sparc/kernel/systbls_64.S 2012-12-18 15:13:16.000000000 +0000
+@@ -71,7 +71,7 @@ sys_call_table32:
+ /*250*/ .word sys_mremap, compat_sys_sysctl, sys32_getsid, sys_fdatasync, sys_nis_syscall
+ .word sys32_sync_file_range, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep
+ /*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun
+- .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
++ .word sys_timer_delete, compat_sys_timer_create, sys32_vserver, compat_sys_io_setup, sys_io_destroy
+ /*270*/ .word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink
+ .word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid
+ /*280*/ .word sys32_tee, sys_add_key, sys_request_key, compat_sys_keyctl, compat_sys_openat
+@@ -149,7 +149,7 @@ sys_call_table:
+ /*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nis_syscall
+ .word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
+ /*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
+- .word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy
++ .word sys_timer_delete, sys_timer_create, sys_vserver, sys_io_setup, sys_io_destroy
+ /*270*/ .word sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
+ .word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
+ /*280*/ .word sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
+diff -NurpP --minimal linux-3.7.10/arch/um/Kconfig.rest linux-3.7.10-vs2.3.5.6/arch/um/Kconfig.rest
+--- linux-3.7.10/arch/um/Kconfig.rest 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/um/Kconfig.rest 2012-12-18 15:13:16.000000000 +0000
+@@ -12,6 +12,8 @@ source "arch/um/Kconfig.net"
+
+ source "fs/Kconfig"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/um/include/shared/kern_constants.h linux-3.7.10-vs2.3.5.6/arch/um/include/shared/kern_constants.h
+--- linux-3.7.10/arch/um/include/shared/kern_constants.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/um/include/shared/kern_constants.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1 @@
++#include "../../../../include/generated/asm-offsets.h"
+diff -NurpP --minimal linux-3.7.10/arch/um/include/shared/user_constants.h linux-3.7.10-vs2.3.5.6/arch/um/include/shared/user_constants.h
+--- linux-3.7.10/arch/um/include/shared/user_constants.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/um/include/shared/user_constants.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,40 @@
++/*
++ * DO NOT MODIFY.
++ *
++ * This file was generated by arch/um/Makefile
++ *
++ */
++
++#define HOST_SC_CR2 176 /* offsetof(struct sigcontext, cr2) # */
++#define HOST_SC_ERR 152 /* offsetof(struct sigcontext, err) # */
++#define HOST_SC_TRAPNO 160 /* offsetof(struct sigcontext, trapno) # */
++#define HOST_FP_SIZE 64 /* sizeof(struct _fpstate) / sizeof(unsigned long) # */
++#define HOST_RBX 5 /* RBX # */
++#define HOST_RCX 11 /* RCX # */
++#define HOST_RDI 14 /* RDI # */
++#define HOST_RSI 13 /* RSI # */
++#define HOST_RDX 12 /* RDX # */
++#define HOST_RBP 4 /* RBP # */
++#define HOST_RAX 10 /* RAX # */
++#define HOST_R8 9 /* R8 # */
++#define HOST_R9 8 /* R9 # */
++#define HOST_R10 7 /* R10 # */
++#define HOST_R11 6 /* R11 # */
++#define HOST_R12 3 /* R12 # */
++#define HOST_R13 2 /* R13 # */
++#define HOST_R14 1 /* R14 # */
++#define HOST_R15 0 /* R15 # */
++#define HOST_ORIG_RAX 15 /* ORIG_RAX # */
++#define HOST_CS 17 /* CS # */
++#define HOST_SS 20 /* SS # */
++#define HOST_EFLAGS 18 /* EFLAGS # */
++#define HOST_IP 16 /* RIP # */
++#define HOST_SP 19 /* RSP # */
++#define UM_FRAME_SIZE 216 /* sizeof(struct user_regs_struct) # */
++#define UM_POLLIN 1 /* POLLIN # */
++#define UM_POLLPRI 2 /* POLLPRI # */
++#define UM_POLLOUT 4 /* POLLOUT # */
++#define UM_PROT_READ 1 /* PROT_READ # */
++#define UM_PROT_WRITE 2 /* PROT_WRITE # */
++#define UM_PROT_EXEC 4 /* PROT_EXEC # */
++
+diff -NurpP --minimal linux-3.7.10/arch/x86/Kconfig linux-3.7.10-vs2.3.5.6/arch/x86/Kconfig
+--- linux-3.7.10/arch/x86/Kconfig 2013-03-02 09:54:54.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/x86/Kconfig 2013-03-02 15:26:03.000000000 +0000
+@@ -2244,6 +2244,8 @@ source "fs/Kconfig"
+
+ source "arch/x86/Kconfig.debug"
+
++source "kernel/vserver/Kconfig"
++
+ source "security/Kconfig"
+
+ source "crypto/Kconfig"
+diff -NurpP --minimal linux-3.7.10/arch/x86/syscalls/syscall_32.tbl linux-3.7.10-vs2.3.5.6/arch/x86/syscalls/syscall_32.tbl
+--- linux-3.7.10/arch/x86/syscalls/syscall_32.tbl 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/x86/syscalls/syscall_32.tbl 2012-12-18 15:13:16.000000000 +0000
+@@ -279,7 +279,7 @@
+ 270 i386 tgkill sys_tgkill
+ 271 i386 utimes sys_utimes compat_sys_utimes
+ 272 i386 fadvise64_64 sys_fadvise64_64 sys32_fadvise64_64
+-273 i386 vserver
++273 i386 vserver sys_vserver sys32_vserver
+ 274 i386 mbind sys_mbind
+ 275 i386 get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy
+ 276 i386 set_mempolicy sys_set_mempolicy
+diff -NurpP --minimal linux-3.7.10/arch/x86/syscalls/syscall_64.tbl linux-3.7.10-vs2.3.5.6/arch/x86/syscalls/syscall_64.tbl
+--- linux-3.7.10/arch/x86/syscalls/syscall_64.tbl 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/arch/x86/syscalls/syscall_64.tbl 2012-12-18 15:13:16.000000000 +0000
+@@ -242,7 +242,7 @@
+ 233 common epoll_ctl sys_epoll_ctl
+ 234 common tgkill sys_tgkill
+ 235 common utimes sys_utimes
+-236 64 vserver
++236 64 vserver sys_vserver
+ 237 common mbind sys_mbind
+ 238 common set_mempolicy sys_set_mempolicy
+ 239 common get_mempolicy sys_get_mempolicy
+diff -NurpP --minimal linux-3.7.10/drivers/block/Kconfig linux-3.7.10-vs2.3.5.6/drivers/block/Kconfig
+--- linux-3.7.10/drivers/block/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/block/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -291,6 +291,13 @@ config BLK_DEV_CRYPTOLOOP
+
+ source "drivers/block/drbd/Kconfig"
+
++config BLK_DEV_VROOT
++ tristate "Virtual Root device support"
++ depends on QUOTACTL
++ ---help---
++ Saying Y here will allow you to use quota/fs ioctls on a shared
++ partition within a virtual server without compromising security.
++
+ config BLK_DEV_NBD
+ tristate "Network block device support"
+ depends on NET
+diff -NurpP --minimal linux-3.7.10/drivers/block/Makefile linux-3.7.10-vs2.3.5.6/drivers/block/Makefile
+--- linux-3.7.10/drivers/block/Makefile 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/block/Makefile 2012-12-18 15:13:16.000000000 +0000
+@@ -34,6 +34,7 @@ obj-$(CONFIG_VIRTIO_BLK) += virtio_blk.o
+ obj-$(CONFIG_VIODASD) += viodasd.o
+ obj-$(CONFIG_BLK_DEV_SX8) += sx8.o
+ obj-$(CONFIG_BLK_DEV_HD) += hd.o
++obj-$(CONFIG_BLK_DEV_VROOT) += vroot.o
+
+ obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o
+ obj-$(CONFIG_XEN_BLKDEV_BACKEND) += xen-blkback/
+diff -NurpP --minimal linux-3.7.10/drivers/block/loop.c linux-3.7.10-vs2.3.5.6/drivers/block/loop.c
+--- linux-3.7.10/drivers/block/loop.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/block/loop.c 2012-12-18 15:13:16.000000000 +0000
+@@ -76,6 +76,7 @@
+ #include <linux/sysfs.h>
+ #include <linux/miscdevice.h>
+ #include <linux/falloc.h>
++#include <linux/vs_context.h>
+
+ #include <asm/uaccess.h>
+
+@@ -869,6 +870,7 @@ static int loop_set_fd(struct loop_devic
+ lo->lo_blocksize = lo_blocksize;
+ lo->lo_device = bdev;
+ lo->lo_flags = lo_flags;
++ lo->lo_xid = vx_current_xid();
+ lo->lo_backing_file = file;
+ lo->transfer = transfer_none;
+ lo->ioctl = NULL;
+@@ -1014,6 +1016,7 @@ static int loop_clr_fd(struct loop_devic
+ lo->lo_sizelimit = 0;
+ lo->lo_encrypt_key_size = 0;
+ lo->lo_thread = NULL;
++ lo->lo_xid = 0;
+ memset(lo->lo_encrypt_key, 0, LO_KEY_SIZE);
+ memset(lo->lo_crypt_name, 0, LO_NAME_SIZE);
+ memset(lo->lo_file_name, 0, LO_NAME_SIZE);
+@@ -1055,7 +1058,7 @@ loop_set_status(struct loop_device *lo,
+
+ if (lo->lo_encrypt_key_size &&
+ !uid_eq(lo->lo_key_owner, uid) &&
+- !capable(CAP_SYS_ADMIN))
++ !vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_CLOOP))
+ return -EPERM;
+ if (lo->lo_state != Lo_bound)
+ return -ENXIO;
+@@ -1145,7 +1148,8 @@ loop_get_status(struct loop_device *lo,
+ memcpy(info->lo_crypt_name, lo->lo_crypt_name, LO_NAME_SIZE);
+ info->lo_encrypt_type =
+ lo->lo_encryption ? lo->lo_encryption->number : 0;
+- if (lo->lo_encrypt_key_size && capable(CAP_SYS_ADMIN)) {
++ if (lo->lo_encrypt_key_size &&
++ vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_CLOOP)) {
+ info->lo_encrypt_key_size = lo->lo_encrypt_key_size;
+ memcpy(info->lo_encrypt_key, lo->lo_encrypt_key,
+ lo->lo_encrypt_key_size);
+@@ -1505,6 +1509,11 @@ static int lo_open(struct block_device *
+ goto out;
+ }
+
++ if (!vx_check(lo->lo_xid, VS_IDENT|VS_HOSTID|VS_ADMIN_P)) {
++ err = -EACCES;
++ goto out;
++ }
++
+ mutex_lock(&lo->lo_ctl_mutex);
+ lo->lo_refcnt++;
+ mutex_unlock(&lo->lo_ctl_mutex);
+diff -NurpP --minimal linux-3.7.10/drivers/block/vroot.c linux-3.7.10-vs2.3.5.6/drivers/block/vroot.c
+--- linux-3.7.10/drivers/block/vroot.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/block/vroot.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,291 @@
++/*
++ * linux/drivers/block/vroot.c
++ *
++ * written by Herbert Pötzl, 9/11/2002
++ * ported to 2.6.10 by Herbert Pötzl, 30/12/2004
++ *
++ * based on the loop.c code by Theodore Ts'o.
++ *
++ * Copyright (C) 2002-2007 by Herbert Pötzl.
++ * Redistribution of this file is permitted under the
++ * GNU General Public License.
++ *
++ */
++
++#include <linux/module.h>
++#include <linux/moduleparam.h>
++#include <linux/file.h>
++#include <linux/major.h>
++#include <linux/blkdev.h>
++#include <linux/slab.h>
++
++#include <linux/vroot.h>
++#include <linux/vs_context.h>
++
++
++static int max_vroot = 8;
++
++static struct vroot_device *vroot_dev;
++static struct gendisk **disks;
++
++
++static int vroot_set_dev(
++ struct vroot_device *vr,
++ struct block_device *bdev,
++ unsigned int arg)
++{
++ struct block_device *real_bdev;
++ struct file *file;
++ struct inode *inode;
++ int error;
++
++ error = -EBUSY;
++ if (vr->vr_state != Vr_unbound)
++ goto out;
++
++ error = -EBADF;
++ file = fget(arg);
++ if (!file)
++ goto out;
++
++ error = -EINVAL;
++ inode = file->f_dentry->d_inode;
++
++
++ if (S_ISBLK(inode->i_mode)) {
++ real_bdev = inode->i_bdev;
++ vr->vr_device = real_bdev;
++ __iget(real_bdev->bd_inode);
++ } else
++ goto out_fput;
++
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot[%d]_set_dev: dev=" VXF_DEV,
++ vr->vr_number, VXD_DEV(real_bdev));
++
++ vr->vr_state = Vr_bound;
++ error = 0;
++
++ out_fput:
++ fput(file);
++ out:
++ return error;
++}
++
++static int vroot_clr_dev(
++ struct vroot_device *vr,
++ struct block_device *bdev)
++{
++ struct block_device *real_bdev;
++
++ if (vr->vr_state != Vr_bound)
++ return -ENXIO;
++ if (vr->vr_refcnt > 1) /* we needed one fd for the ioctl */
++ return -EBUSY;
++
++ real_bdev = vr->vr_device;
++
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot[%d]_clr_dev: dev=" VXF_DEV,
++ vr->vr_number, VXD_DEV(real_bdev));
++
++ bdput(real_bdev);
++ vr->vr_state = Vr_unbound;
++ vr->vr_device = NULL;
++ return 0;
++}
++
++
++static int vr_ioctl(struct block_device *bdev, fmode_t mode,
++ unsigned int cmd, unsigned long arg)
++{
++ struct vroot_device *vr = bdev->bd_disk->private_data;
++ int err;
++
++ down(&vr->vr_ctl_mutex);
++ switch (cmd) {
++ case VROOT_SET_DEV:
++ err = vroot_set_dev(vr, bdev, arg);
++ break;
++ case VROOT_CLR_DEV:
++ err = vroot_clr_dev(vr, bdev);
++ break;
++ default:
++ err = -EINVAL;
++ break;
++ }
++ up(&vr->vr_ctl_mutex);
++ return err;
++}
++
++static int vr_open(struct block_device *bdev, fmode_t mode)
++{
++ struct vroot_device *vr = bdev->bd_disk->private_data;
++
++ down(&vr->vr_ctl_mutex);
++ vr->vr_refcnt++;
++ up(&vr->vr_ctl_mutex);
++ return 0;
++}
++
++static int vr_release(struct gendisk *disk, fmode_t mode)
++{
++ struct vroot_device *vr = disk->private_data;
++
++ down(&vr->vr_ctl_mutex);
++ --vr->vr_refcnt;
++ up(&vr->vr_ctl_mutex);
++ return 0;
++}
++
++static struct block_device_operations vr_fops = {
++ .owner = THIS_MODULE,
++ .open = vr_open,
++ .release = vr_release,
++ .ioctl = vr_ioctl,
++};
++
++static void vroot_make_request(struct request_queue *q, struct bio *bio)
++{
++ printk("vroot_make_request %p, %p\n", q, bio);
++ bio_io_error(bio);
++}
++
++struct block_device *__vroot_get_real_bdev(struct block_device *bdev)
++{
++ struct inode *inode = bdev->bd_inode;
++ struct vroot_device *vr;
++ struct block_device *real_bdev;
++ int minor = iminor(inode);
++
++ vr = &vroot_dev[minor];
++ real_bdev = vr->vr_device;
++
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot[%d]_get_real_bdev: dev=" VXF_DEV,
++ vr->vr_number, VXD_DEV(real_bdev));
++
++ if (vr->vr_state != Vr_bound)
++ return ERR_PTR(-ENXIO);
++
++ __iget(real_bdev->bd_inode);
++ return real_bdev;
++}
++
++
++
++/*
++ * And now the modules code and kernel interface.
++ */
++
++module_param(max_vroot, int, 0);
++
++MODULE_PARM_DESC(max_vroot, "Maximum number of vroot devices (1-256)");
++MODULE_LICENSE("GPL");
++MODULE_ALIAS_BLOCKDEV_MAJOR(VROOT_MAJOR);
++
++MODULE_AUTHOR ("Herbert Pötzl");
++MODULE_DESCRIPTION ("Virtual Root Device Mapper");
++
++
++int __init vroot_init(void)
++{
++ int err, i;
++
++ if (max_vroot < 1 || max_vroot > 256) {
++ max_vroot = MAX_VROOT_DEFAULT;
++ printk(KERN_WARNING "vroot: invalid max_vroot "
++ "(must be between 1 and 256), "
++ "using default (%d)\n", max_vroot);
++ }
++
++ if (register_blkdev(VROOT_MAJOR, "vroot"))
++ return -EIO;
++
++ err = -ENOMEM;
++ vroot_dev = kmalloc(max_vroot * sizeof(struct vroot_device), GFP_KERNEL);
++ if (!vroot_dev)
++ goto out_mem1;
++ memset(vroot_dev, 0, max_vroot * sizeof(struct vroot_device));
++
++ disks = kmalloc(max_vroot * sizeof(struct gendisk *), GFP_KERNEL);
++ if (!disks)
++ goto out_mem2;
++
++ for (i = 0; i < max_vroot; i++) {
++ disks[i] = alloc_disk(1);
++ if (!disks[i])
++ goto out_mem3;
++ disks[i]->queue = blk_alloc_queue(GFP_KERNEL);
++ if (!disks[i]->queue)
++ goto out_mem3;
++ blk_queue_make_request(disks[i]->queue, vroot_make_request);
++ }
++
++ for (i = 0; i < max_vroot; i++) {
++ struct vroot_device *vr = &vroot_dev[i];
++ struct gendisk *disk = disks[i];
++
++ memset(vr, 0, sizeof(*vr));
++ sema_init(&vr->vr_ctl_mutex, 1);
++ vr->vr_number = i;
++ disk->major = VROOT_MAJOR;
++ disk->first_minor = i;
++ disk->fops = &vr_fops;
++ sprintf(disk->disk_name, "vroot%d", i);
++ disk->private_data = vr;
++ }
++
++ err = register_vroot_grb(&__vroot_get_real_bdev);
++ if (err)
++ goto out_mem3;
++
++ for (i = 0; i < max_vroot; i++)
++ add_disk(disks[i]);
++ printk(KERN_INFO "vroot: loaded (max %d devices)\n", max_vroot);
++ return 0;
++
++out_mem3:
++ while (i--)
++ put_disk(disks[i]);
++ kfree(disks);
++out_mem2:
++ kfree(vroot_dev);
++out_mem1:
++ unregister_blkdev(VROOT_MAJOR, "vroot");
++ printk(KERN_ERR "vroot: ran out of memory\n");
++ return err;
++}
++
++void vroot_exit(void)
++{
++ int i;
++
++ if (unregister_vroot_grb(&__vroot_get_real_bdev))
++ printk(KERN_WARNING "vroot: cannot unregister grb\n");
++
++ for (i = 0; i < max_vroot; i++) {
++ del_gendisk(disks[i]);
++ put_disk(disks[i]);
++ }
++ unregister_blkdev(VROOT_MAJOR, "vroot");
++
++ kfree(disks);
++ kfree(vroot_dev);
++}
++
++module_init(vroot_init);
++module_exit(vroot_exit);
++
++#ifndef MODULE
++
++static int __init max_vroot_setup(char *str)
++{
++ max_vroot = simple_strtol(str, NULL, 0);
++ return 1;
++}
++
++__setup("max_vroot=", max_vroot_setup);
++
++#endif
++
+diff -NurpP --minimal linux-3.7.10/drivers/infiniband/Kconfig linux-3.7.10-vs2.3.5.6/drivers/infiniband/Kconfig
+--- linux-3.7.10/drivers/infiniband/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/infiniband/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -39,7 +39,7 @@ config INFINIBAND_USER_MEM
+ config INFINIBAND_ADDR_TRANS
+ bool
+ depends on INET
+- depends on !(INFINIBAND = y && IPV6 = m)
++ depends on !(INFINIBAND = y && IPV6 = y)
+ default y
+
+ source "drivers/infiniband/hw/mthca/Kconfig"
+diff -NurpP --minimal linux-3.7.10/drivers/infiniband/core/addr.c linux-3.7.10-vs2.3.5.6/drivers/infiniband/core/addr.c
+--- linux-3.7.10/drivers/infiniband/core/addr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/infiniband/core/addr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -261,7 +261,7 @@ static int addr6_resolve(struct sockaddr
+
+ if (ipv6_addr_any(&fl6.saddr)) {
+ ret = ipv6_dev_get_saddr(&init_net, ip6_dst_idev(dst)->dev,
+- &fl6.daddr, 0, &fl6.saddr);
++ &fl6.daddr, 0, &fl6.saddr, NULL);
+ if (ret)
+ goto put;
+
+diff -NurpP --minimal linux-3.7.10/drivers/md/dm-ioctl.c linux-3.7.10-vs2.3.5.6/drivers/md/dm-ioctl.c
+--- linux-3.7.10/drivers/md/dm-ioctl.c 2013-03-02 09:54:56.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/md/dm-ioctl.c 2013-02-05 01:14:43.000000000 +0000
+@@ -16,6 +16,7 @@
+ #include <linux/dm-ioctl.h>
+ #include <linux/hdreg.h>
+ #include <linux/compat.h>
++#include <linux/vs_context.h>
+
+ #include <asm/uaccess.h>
+
+@@ -106,7 +107,8 @@ static struct hash_cell *__get_name_cell
+ unsigned int h = hash_str(str);
+
+ list_for_each_entry (hc, _name_buckets + h, name_list)
+- if (!strcmp(hc->name, str)) {
++ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
++ !strcmp(hc->name, str)) {
+ dm_get(hc->md);
+ return hc;
+ }
+@@ -120,7 +122,8 @@ static struct hash_cell *__get_uuid_cell
+ unsigned int h = hash_str(str);
+
+ list_for_each_entry (hc, _uuid_buckets + h, uuid_list)
+- if (!strcmp(hc->uuid, str)) {
++ if (vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT) &&
++ !strcmp(hc->uuid, str)) {
+ dm_get(hc->md);
+ return hc;
+ }
+@@ -131,13 +134,15 @@ static struct hash_cell *__get_uuid_cell
+ static struct hash_cell *__get_dev_cell(uint64_t dev)
+ {
+ struct mapped_device *md;
+- struct hash_cell *hc;
++ struct hash_cell *hc = NULL;
+
+ md = dm_get_md(huge_decode_dev(dev));
+ if (!md)
+ return NULL;
+
+- hc = dm_get_mdptr(md);
++ if (vx_check(dm_get_xid(md), VS_WATCH_P | VS_IDENT))
++ hc = dm_get_mdptr(md);
++
+ if (!hc) {
+ dm_put(md);
+ return NULL;
+@@ -445,6 +450,9 @@ typedef int (*ioctl_fn)(struct dm_ioctl
+
+ static int remove_all(struct dm_ioctl *param, size_t param_size)
+ {
++ if (!vx_check(0, VS_ADMIN))
++ return -EPERM;
++
+ dm_hash_remove_all(1);
+ param->data_size = 0;
+ return 0;
+@@ -492,6 +500,8 @@ static int list_devices(struct dm_ioctl
+ */
+ for (i = 0; i < NUM_BUCKETS; i++) {
+ list_for_each_entry (hc, _name_buckets + i, name_list) {
++ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
++ continue;
+ needed += sizeof(struct dm_name_list);
+ needed += strlen(hc->name) + 1;
+ needed += ALIGN_MASK;
+@@ -515,6 +525,8 @@ static int list_devices(struct dm_ioctl
+ */
+ for (i = 0; i < NUM_BUCKETS; i++) {
+ list_for_each_entry (hc, _name_buckets + i, name_list) {
++ if (!vx_check(dm_get_xid(hc->md), VS_WATCH_P | VS_IDENT))
++ continue;
+ if (old_nl)
+ old_nl->next = (uint32_t) ((void *) nl -
+ (void *) old_nl);
+@@ -1627,8 +1639,8 @@ static int ctl_ioctl(uint command, struc
+ ioctl_fn fn = NULL;
+ size_t input_param_size;
+
+- /* only root can play with this */
+- if (!capable(CAP_SYS_ADMIN))
++ /* only root and certain contexts can play with this */
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_ADMIN_MAPPER))
+ return -EACCES;
+
+ if (_IOC_TYPE(command) != DM_IOCTL)
+diff -NurpP --minimal linux-3.7.10/drivers/md/dm.c linux-3.7.10-vs2.3.5.6/drivers/md/dm.c
+--- linux-3.7.10/drivers/md/dm.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/md/dm.c 2012-12-18 15:13:16.000000000 +0000
+@@ -19,6 +19,7 @@
+ #include <linux/idr.h>
+ #include <linux/hdreg.h>
+ #include <linux/delay.h>
++#include <linux/vs_base.h>
+
+ #include <trace/events/block.h>
+
+@@ -137,6 +138,7 @@ struct mapped_device {
+ rwlock_t map_lock;
+ atomic_t holders;
+ atomic_t open_count;
++ xid_t xid;
+
+ unsigned long flags;
+
+@@ -345,6 +347,7 @@ int dm_deleting_md(struct mapped_device
+ static int dm_blk_open(struct block_device *bdev, fmode_t mode)
+ {
+ struct mapped_device *md;
++ int ret = -ENXIO;
+
+ spin_lock(&_minor_lock);
+
+@@ -353,18 +356,19 @@ static int dm_blk_open(struct block_devi
+ goto out;
+
+ if (test_bit(DMF_FREEING, &md->flags) ||
+- dm_deleting_md(md)) {
+- md = NULL;
++ dm_deleting_md(md))
++ goto out;
++
++ ret = -EACCES;
++ if (!vx_check(md->xid, VS_IDENT|VS_HOSTID))
+ goto out;
+- }
+
+ dm_get(md);
+ atomic_inc(&md->open_count);
+-
++ ret = 0;
+ out:
+ spin_unlock(&_minor_lock);
+-
+- return md ? 0 : -ENXIO;
++ return ret;
+ }
+
+ static int dm_blk_close(struct gendisk *disk, fmode_t mode)
+@@ -575,6 +579,14 @@ int dm_set_geometry(struct mapped_device
+ return 0;
+ }
+
++/*
++ * Get the xid associated with a dm device
++ */
++xid_t dm_get_xid(struct mapped_device *md)
++{
++ return md->xid;
++}
++
+ /*-----------------------------------------------------------------
+ * CRUD START:
+ * A more elegant soln is in the works that uses the queue
+@@ -1852,6 +1864,7 @@ static struct mapped_device *alloc_dev(i
+ INIT_LIST_HEAD(&md->uevent_list);
+ spin_lock_init(&md->uevent_lock);
+
++ md->xid = vx_current_xid();
+ md->queue = blk_alloc_queue(GFP_KERNEL);
+ if (!md->queue)
+ goto bad_queue;
+diff -NurpP --minimal linux-3.7.10/drivers/md/dm.h linux-3.7.10-vs2.3.5.6/drivers/md/dm.h
+--- linux-3.7.10/drivers/md/dm.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/md/dm.h 2012-12-18 15:13:16.000000000 +0000
+@@ -46,6 +46,8 @@ struct dm_dev_internal {
+ struct dm_table;
+ struct dm_md_mempools;
+
++xid_t dm_get_xid(struct mapped_device *md);
++
+ /*-----------------------------------------------------------------
+ * Internal table functions.
+ *---------------------------------------------------------------*/
+diff -NurpP --minimal linux-3.7.10/drivers/net/tun.c linux-3.7.10-vs2.3.5.6/drivers/net/tun.c
+--- linux-3.7.10/drivers/net/tun.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/net/tun.c 2012-12-18 15:13:16.000000000 +0000
+@@ -64,6 +64,7 @@
+ #include <linux/nsproxy.h>
+ #include <linux/virtio_net.h>
+ #include <linux/rcupdate.h>
++#include <linux/vs_network.h>
+ #include <net/net_namespace.h>
+ #include <net/netns/generic.h>
+ #include <net/rtnetlink.h>
+@@ -123,6 +124,7 @@ struct tun_struct {
+ unsigned int flags;
+ kuid_t owner;
+ kgid_t group;
++ nid_t nid;
+
+ struct net_device *dev;
+ netdev_features_t set_features;
+@@ -1034,6 +1036,7 @@ static void tun_setup(struct net_device
+
+ tun->owner = INVALID_UID;
+ tun->group = INVALID_GID;
++ tun->nid = nx_current_nid();
+
+ dev->ethtool_ops = &tun_ethtool_ops;
+ dev->destructor = tun_free_netdev;
+@@ -1198,7 +1201,7 @@ static int tun_set_iff(struct net *net,
+
+ if (((uid_valid(tun->owner) && !uid_eq(cred->euid, tun->owner)) ||
+ (gid_valid(tun->group) && !in_egroup_p(tun->group))) &&
+- !capable(CAP_NET_ADMIN))
++ !cap_raised(current_cap(), CAP_NET_ADMIN))
+ return -EPERM;
+ err = security_tun_dev_attach(tun->socket.sk);
+ if (err < 0)
+@@ -1212,7 +1215,7 @@ static int tun_set_iff(struct net *net,
+ char *name;
+ unsigned long flags = 0;
+
+- if (!capable(CAP_NET_ADMIN))
++ if (!nx_capable(CAP_NET_ADMIN, NXC_TUN_CREATE))
+ return -EPERM;
+ err = security_tun_dev_create();
+ if (err < 0)
+@@ -1283,6 +1286,9 @@ static int tun_set_iff(struct net *net,
+
+ sk->sk_destruct = tun_sock_destruct;
+
++ if (!nx_check(tun->nid, VS_IDENT | VS_HOSTID | VS_ADMIN_P))
++ return -EPERM;
++
+ err = tun_attach(tun, file);
+ if (err < 0)
+ goto failed;
+@@ -1478,6 +1484,16 @@ static long __tun_chr_ioctl(struct file
+ from_kgid(&init_user_ns, tun->group));
+ break;
+
++ case TUNSETNID:
++ if (!capable(CAP_CONTEXT))
++ return -EPERM;
++
++ /* Set nid owner of the device */
++ tun->nid = (nid_t) arg;
++
++ tun_debug(KERN_INFO, tun, "nid owner set to %u\n", tun->nid);
++ break;
++
+ case TUNSETLINK:
+ /* Only allow setting the type when the interface is down */
+ if (tun->dev->flags & IFF_UP) {
+diff -NurpP --minimal linux-3.7.10/drivers/staging/csr/csr_wifi_hip_xbv.c linux-3.7.10-vs2.3.5.6/drivers/staging/csr/csr_wifi_hip_xbv.c
+--- linux-3.7.10/drivers/staging/csr/csr_wifi_hip_xbv.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/staging/csr/csr_wifi_hip_xbv.c 2012-12-18 15:13:16.000000000 +0000
+@@ -55,7 +55,7 @@ typedef struct
+ {
+ char t_name[4];
+ u32 t_len;
+-} tag_t;
++} ctag_t;
+
+
+ #define TAG_EQ(i, v) (((i)[0] == (v)[0]) && \
+@@ -90,7 +90,7 @@ typedef struct
+ u32 ptr;
+ } xbv_stack_t;
+
+-static s32 read_tag(card_t *card, ct_t *ct, tag_t *tag);
++static s32 read_tag(card_t *card, ct_t *ct, ctag_t *tag);
+ static s32 read_bytes(card_t *card, ct_t *ct, void *buf, u32 len);
+ static s32 read_uint(card_t *card, ct_t *ct, u32 *u, u32 len);
+ static s32 xbv_check(xbv1_t *fwinfo, const xbv_stack_t *stack,
+@@ -160,7 +160,7 @@ static u32 write_fwdl_to_ptdl(void *buf,
+ CsrResult xbv1_parse(card_t *card, fwreadfn_t readfn, void *dlpriv, xbv1_t *fwinfo)
+ {
+ ct_t ct;
+- tag_t tag;
++ ctag_t tag;
+ xbv_stack_t stack;
+
+ ct.dlpriv = dlpriv;
+@@ -505,7 +505,7 @@ static u32 xbv2uint(u8 *ptr, s32 len)
+ }
+
+
+-static s32 read_tag(card_t *card, ct_t *ct, tag_t *tag)
++static s32 read_tag(card_t *card, ct_t *ct, ctag_t *tag)
+ {
+ u8 buf[8];
+ s32 n;
+diff -NurpP --minimal linux-3.7.10/drivers/tty/sysrq.c linux-3.7.10-vs2.3.5.6/drivers/tty/sysrq.c
+--- linux-3.7.10/drivers/tty/sysrq.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/tty/sysrq.c 2012-12-18 15:13:16.000000000 +0000
+@@ -41,6 +41,7 @@
+ #include <linux/slab.h>
+ #include <linux/input.h>
+ #include <linux/uaccess.h>
++#include <linux/vserver/debug.h>
+
+ #include <asm/ptrace.h>
+ #include <asm/irq_regs.h>
+@@ -398,6 +399,21 @@ static struct sysrq_key_op sysrq_unrt_op
+ .enable_mask = SYSRQ_ENABLE_RTNICE,
+ };
+
++
++#ifdef CONFIG_VSERVER_DEBUG
++static void sysrq_handle_vxinfo(int key)
++{
++ dump_vx_info_inactive((key == 'x') ? 0 : 1);
++}
++
++static struct sysrq_key_op sysrq_showvxinfo_op = {
++ .handler = sysrq_handle_vxinfo,
++ .help_msg = "conteXt",
++ .action_msg = "Show Context Info",
++ .enable_mask = SYSRQ_ENABLE_DUMP,
++};
++#endif
++
+ /* Key Operations table and lock */
+ static DEFINE_SPINLOCK(sysrq_key_table_lock);
+
+@@ -453,7 +469,11 @@ static struct sysrq_key_op *sysrq_key_ta
+ &sysrq_showstate_blocked_op, /* w */
+ /* x: May be registered on ppc/powerpc for xmon */
+ /* x: May be registered on sparc64 for global PMU dump */
++#ifdef CONFIG_VSERVER_DEBUG
++ &sysrq_showvxinfo_op, /* x */
++#else
+ NULL, /* x */
++#endif
+ /* y: May be registered on sparc64 for global register dump */
+ NULL, /* y */
+ &sysrq_ftrace_dump_op, /* z */
+@@ -468,6 +488,8 @@ static int sysrq_key_table_key2index(int
+ retval = key - '0';
+ else if ((key >= 'a') && (key <= 'z'))
+ retval = key + 10 - 'a';
++ else if ((key >= 'A') && (key <= 'Z'))
++ retval = key + 10 - 'A';
+ else
+ retval = -1;
+ return retval;
+diff -NurpP --minimal linux-3.7.10/drivers/tty/tty_io.c linux-3.7.10-vs2.3.5.6/drivers/tty/tty_io.c
+--- linux-3.7.10/drivers/tty/tty_io.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/drivers/tty/tty_io.c 2012-12-18 15:13:16.000000000 +0000
+@@ -104,6 +104,7 @@
+
+ #include <linux/kmod.h>
+ #include <linux/nsproxy.h>
++#include <linux/vs_pid.h>
+
+ #undef TTY_DEBUG_HANGUP
+
+@@ -2139,7 +2140,8 @@ static int tiocsti(struct tty_struct *tt
+ char ch, mbz = 0;
+ struct tty_ldisc *ld;
+
+- if ((current->signal->tty != tty) && !capable(CAP_SYS_ADMIN))
++ if (((current->signal->tty != tty) &&
++ !vx_capable(CAP_SYS_ADMIN, VXC_TIOCSTI)))
+ return -EPERM;
+ if (get_user(ch, p))
+ return -EFAULT;
+@@ -2426,6 +2428,7 @@ static int tiocspgrp(struct tty_struct *
+ return -ENOTTY;
+ if (get_user(pgrp_nr, p))
+ return -EFAULT;
++ pgrp_nr = vx_rmap_pid(pgrp_nr);
+ if (pgrp_nr < 0)
+ return -EINVAL;
+ rcu_read_lock();
+diff -NurpP --minimal linux-3.7.10/fs/attr.c linux-3.7.10-vs2.3.5.6/fs/attr.c
+--- linux-3.7.10/fs/attr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/attr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -15,6 +15,9 @@
+ #include <linux/security.h>
+ #include <linux/evm.h>
+ #include <linux/ima.h>
++#include <linux/proc_fs.h>
++#include <linux/devpts_fs.h>
++#include <linux/vs_tag.h>
+
+ /**
+ * inode_change_ok - check if attribute changes to an inode are allowed
+@@ -75,6 +78,10 @@ int inode_change_ok(const struct inode *
+ return -EPERM;
+ }
+
++ /* check for inode tag permission */
++ if (dx_permission(inode, MAY_WRITE))
++ return -EACCES;
++
+ return 0;
+ }
+ EXPORT_SYMBOL(inode_change_ok);
+@@ -145,6 +152,8 @@ void setattr_copy(struct inode *inode, c
+ inode->i_uid = attr->ia_uid;
+ if (ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
++ if ((ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ if (ia_valid & ATTR_ATIME)
+ inode->i_atime = timespec_trunc(attr->ia_atime,
+ inode->i_sb->s_time_gran);
+@@ -174,7 +183,8 @@ int notify_change(struct dentry * dentry
+
+ WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex));
+
+- if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_TIMES_SET)) {
++ if (ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID |
++ ATTR_TAG | ATTR_TIMES_SET)) {
+ if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
+ return -EPERM;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/block_dev.c linux-3.7.10-vs2.3.5.6/fs/block_dev.c
+--- linux-3.7.10/fs/block_dev.c 2013-03-02 09:54:59.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/block_dev.c 2013-03-02 15:26:03.000000000 +0000
+@@ -27,6 +27,7 @@
+ #include <linux/namei.h>
+ #include <linux/log2.h>
+ #include <linux/cleancache.h>
++#include <linux/vs_device.h>
+ #include <asm/uaccess.h>
+ #include "internal.h"
+
+@@ -528,6 +529,7 @@ struct block_device *bdget(dev_t dev)
+ bdev->bd_invalidated = 0;
+ inode->i_mode = S_IFBLK;
+ inode->i_rdev = dev;
++ inode->i_mdev = dev;
+ inode->i_bdev = bdev;
+ inode->i_data.a_ops = &def_blk_aops;
+ mapping_set_gfp_mask(&inode->i_data, GFP_USER);
+@@ -574,6 +576,11 @@ EXPORT_SYMBOL(bdput);
+ static struct block_device *bd_acquire(struct inode *inode)
+ {
+ struct block_device *bdev;
++ dev_t mdev;
++
++ if (!vs_map_blkdev(inode->i_rdev, &mdev, DATTR_OPEN))
++ return NULL;
++ inode->i_mdev = mdev;
+
+ spin_lock(&bdev_lock);
+ bdev = inode->i_bdev;
+@@ -584,7 +591,7 @@ static struct block_device *bd_acquire(s
+ }
+ spin_unlock(&bdev_lock);
+
+- bdev = bdget(inode->i_rdev);
++ bdev = bdget(mdev);
+ if (bdev) {
+ spin_lock(&bdev_lock);
+ if (!inode->i_bdev) {
+diff -NurpP --minimal linux-3.7.10/fs/btrfs/ctree.h linux-3.7.10-vs2.3.5.6/fs/btrfs/ctree.h
+--- linux-3.7.10/fs/btrfs/ctree.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/btrfs/ctree.h 2012-12-18 15:13:16.000000000 +0000
+@@ -692,11 +692,14 @@ struct btrfs_inode_item {
+ /* modification sequence number for NFS */
+ __le64 sequence;
+
++ __le16 tag;
+ /*
+ * a little future expansion, for more than this we can
+ * just grow the inode item and version it
+ */
+- __le64 reserved[4];
++ __le16 reserved16;
++ __le32 reserved32;
++ __le64 reserved[3];
+ struct btrfs_timespec atime;
+ struct btrfs_timespec ctime;
+ struct btrfs_timespec mtime;
+@@ -1757,6 +1760,8 @@ struct btrfs_ioctl_defrag_range_args {
+ #define BTRFS_MOUNT_CHECK_INTEGRITY_INCLUDING_EXTENT_DATA (1 << 21)
+ #define BTRFS_MOUNT_PANIC_ON_FATAL_ERROR (1 << 22)
+
++#define BTRFS_MOUNT_TAGGED (1 << 24)
++
+ #define btrfs_clear_opt(o, opt) ((o) &= ~BTRFS_MOUNT_##opt)
+ #define btrfs_set_opt(o, opt) ((o) |= BTRFS_MOUNT_##opt)
+ #define btrfs_test_opt(root, opt) ((root)->fs_info->mount_opt & \
+@@ -2025,6 +2030,7 @@ BTRFS_SETGET_FUNCS(inode_block_group, st
+ BTRFS_SETGET_FUNCS(inode_nlink, struct btrfs_inode_item, nlink, 32);
+ BTRFS_SETGET_FUNCS(inode_uid, struct btrfs_inode_item, uid, 32);
+ BTRFS_SETGET_FUNCS(inode_gid, struct btrfs_inode_item, gid, 32);
++BTRFS_SETGET_FUNCS(inode_tag, struct btrfs_inode_item, tag, 16);
+ BTRFS_SETGET_FUNCS(inode_mode, struct btrfs_inode_item, mode, 32);
+ BTRFS_SETGET_FUNCS(inode_rdev, struct btrfs_inode_item, rdev, 64);
+ BTRFS_SETGET_FUNCS(inode_flags, struct btrfs_inode_item, flags, 64);
+@@ -2078,6 +2084,10 @@ BTRFS_SETGET_FUNCS(extent_flags, struct
+
+ BTRFS_SETGET_FUNCS(extent_refs_v0, struct btrfs_extent_item_v0, refs, 32);
+
++#define BTRFS_INODE_IXUNLINK (1 << 24)
++#define BTRFS_INODE_BARRIER (1 << 25)
++#define BTRFS_INODE_COW (1 << 26)
++
+
+ BTRFS_SETGET_FUNCS(tree_block_level, struct btrfs_tree_block_info, level, 8);
+
+@@ -3363,6 +3373,7 @@ extern const struct dentry_operations bt
+ long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+ void btrfs_update_iflags(struct inode *inode);
+ void btrfs_inherit_iflags(struct inode *inode, struct inode *dir);
++int btrfs_sync_flags(struct inode *inode, int, int);
+ int btrfs_defrag_file(struct inode *inode, struct file *file,
+ struct btrfs_ioctl_defrag_range_args *range,
+ u64 newer_than, unsigned long max_pages);
+diff -NurpP --minimal linux-3.7.10/fs/btrfs/disk-io.c linux-3.7.10-vs2.3.5.6/fs/btrfs/disk-io.c
+--- linux-3.7.10/fs/btrfs/disk-io.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/btrfs/disk-io.c 2012-12-18 15:13:16.000000000 +0000
+@@ -2197,6 +2197,9 @@ int open_ctree(struct super_block *sb,
+ goto fail_alloc;
+ }
+
++ if (btrfs_test_opt(tree_root, TAGGED))
++ sb->s_flags |= MS_TAGGED;
++
+ features = btrfs_super_incompat_flags(disk_super) &
+ ~BTRFS_FEATURE_INCOMPAT_SUPP;
+ if (features) {
+diff -NurpP --minimal linux-3.7.10/fs/btrfs/inode.c linux-3.7.10-vs2.3.5.6/fs/btrfs/inode.c
+--- linux-3.7.10/fs/btrfs/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/btrfs/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -39,6 +39,7 @@
+ #include <linux/slab.h>
+ #include <linux/ratelimit.h>
+ #include <linux/mount.h>
++#include <linux/vs_tag.h>
+ #include "compat.h"
+ #include "ctree.h"
+ #include "disk-io.h"
+@@ -2530,6 +2531,8 @@ static void btrfs_read_locked_inode(stru
+ struct btrfs_key location;
+ int maybe_acls;
+ u32 rdev;
++ uid_t uid;
++ gid_t gid;
+ int ret;
+ bool filled = false;
+
+@@ -2557,8 +2560,13 @@ static void btrfs_read_locked_inode(stru
+ struct btrfs_inode_item);
+ inode->i_mode = btrfs_inode_mode(leaf, inode_item);
+ set_nlink(inode, btrfs_inode_nlink(leaf, inode_item));
+- i_uid_write(inode, btrfs_inode_uid(leaf, inode_item));
+- i_gid_write(inode, btrfs_inode_gid(leaf, inode_item));
++
++ uid = btrfs_inode_uid(leaf, inode_item);
++ gid = btrfs_inode_gid(leaf, inode_item);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), uid, gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), uid, gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), uid, gid,
++ btrfs_inode_tag(leaf, inode_item)));
+ btrfs_i_size_write(inode, btrfs_inode_size(leaf, inode_item));
+
+ tspec = btrfs_inode_atime(inode_item);
+@@ -2648,8 +2656,16 @@ static void fill_inode_item(struct btrfs
+ struct btrfs_inode_item *item,
+ struct inode *inode)
+ {
+- btrfs_set_inode_uid(leaf, item, i_uid_read(inode));
+- btrfs_set_inode_gid(leaf, item, i_gid_read(inode));
++ uid_t uid = TAGINO_UID(DX_TAG(inode),
++ i_uid_read(inode), i_tag_read(inode));
++ gid_t gid = TAGINO_GID(DX_TAG(inode),
++ i_gid_read(inode), i_tag_read(inode));
++
++ btrfs_set_inode_uid(leaf, item, uid);
++ btrfs_set_inode_gid(leaf, item, gid);
++#ifdef CONFIG_TAGGING_INTERN
++ btrfs_set_inode_tag(leaf, item, i_tag_read(inode));
++#endif
+ btrfs_set_inode_size(leaf, item, BTRFS_I(inode)->disk_i_size);
+ btrfs_set_inode_mode(leaf, item, inode->i_mode);
+ btrfs_set_inode_nlink(leaf, item, inode->i_nlink);
+@@ -7786,11 +7802,13 @@ static const struct inode_operations btr
+ .listxattr = btrfs_listxattr,
+ .removexattr = btrfs_removexattr,
+ .permission = btrfs_permission,
++ .sync_flags = btrfs_sync_flags,
+ .get_acl = btrfs_get_acl,
+ };
+ static const struct inode_operations btrfs_dir_ro_inode_operations = {
+ .lookup = btrfs_lookup,
+ .permission = btrfs_permission,
++ .sync_flags = btrfs_sync_flags,
+ .get_acl = btrfs_get_acl,
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/btrfs/ioctl.c linux-3.7.10-vs2.3.5.6/fs/btrfs/ioctl.c
+--- linux-3.7.10/fs/btrfs/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/btrfs/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -74,10 +74,13 @@ static unsigned int btrfs_flags_to_ioctl
+ {
+ unsigned int iflags = 0;
+
+- if (flags & BTRFS_INODE_SYNC)
+- iflags |= FS_SYNC_FL;
+ if (flags & BTRFS_INODE_IMMUTABLE)
+ iflags |= FS_IMMUTABLE_FL;
++ if (flags & BTRFS_INODE_IXUNLINK)
++ iflags |= FS_IXUNLINK_FL;
++
++ if (flags & BTRFS_INODE_SYNC)
++ iflags |= FS_SYNC_FL;
+ if (flags & BTRFS_INODE_APPEND)
+ iflags |= FS_APPEND_FL;
+ if (flags & BTRFS_INODE_NODUMP)
+@@ -94,28 +97,78 @@ static unsigned int btrfs_flags_to_ioctl
+ else if (flags & BTRFS_INODE_NOCOMPRESS)
+ iflags |= FS_NOCOMP_FL;
+
++ if (flags & BTRFS_INODE_BARRIER)
++ iflags |= FS_BARRIER_FL;
++ if (flags & BTRFS_INODE_COW)
++ iflags |= FS_COW_FL;
+ return iflags;
+ }
+
+ /*
+- * Update inode->i_flags based on the btrfs internal flags.
++ * Update inode->i_(v)flags based on the btrfs internal flags.
+ */
+ void btrfs_update_iflags(struct inode *inode)
+ {
+ struct btrfs_inode *ip = BTRFS_I(inode);
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
+- if (ip->flags & BTRFS_INODE_SYNC)
+- inode->i_flags |= S_SYNC;
+ if (ip->flags & BTRFS_INODE_IMMUTABLE)
+ inode->i_flags |= S_IMMUTABLE;
++ if (ip->flags & BTRFS_INODE_IXUNLINK)
++ inode->i_flags |= S_IXUNLINK;
++
++ if (ip->flags & BTRFS_INODE_SYNC)
++ inode->i_flags |= S_SYNC;
+ if (ip->flags & BTRFS_INODE_APPEND)
+ inode->i_flags |= S_APPEND;
+ if (ip->flags & BTRFS_INODE_NOATIME)
+ inode->i_flags |= S_NOATIME;
+ if (ip->flags & BTRFS_INODE_DIRSYNC)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (ip->flags & BTRFS_INODE_BARRIER)
++ inode->i_vflags |= V_BARRIER;
++ if (ip->flags & BTRFS_INODE_COW)
++ inode->i_vflags |= V_COW;
++}
++
++/*
++ * Update btrfs internal flags from inode->i_(v)flags.
++ */
++void btrfs_update_flags(struct inode *inode)
++{
++ struct btrfs_inode *ip = BTRFS_I(inode);
++
++ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ ip->flags &= ~(BTRFS_INODE_SYNC | BTRFS_INODE_APPEND |
++ BTRFS_INODE_IMMUTABLE | BTRFS_INODE_IXUNLINK |
++ BTRFS_INODE_NOATIME | BTRFS_INODE_DIRSYNC |
++ BTRFS_INODE_BARRIER | BTRFS_INODE_COW);
++
++ if (flags & S_IMMUTABLE)
++ ip->flags |= BTRFS_INODE_IMMUTABLE;
++ if (flags & S_IXUNLINK)
++ ip->flags |= BTRFS_INODE_IXUNLINK;
++
++ if (flags & S_SYNC)
++ ip->flags |= BTRFS_INODE_SYNC;
++ if (flags & S_APPEND)
++ ip->flags |= BTRFS_INODE_APPEND;
++ if (flags & S_NOATIME)
++ ip->flags |= BTRFS_INODE_NOATIME;
++ if (flags & S_DIRSYNC)
++ ip->flags |= BTRFS_INODE_DIRSYNC;
++
++ if (vflags & V_BARRIER)
++ ip->flags |= BTRFS_INODE_BARRIER;
++ if (vflags & V_COW)
++ ip->flags |= BTRFS_INODE_COW;
+ }
+
+ /*
+@@ -131,6 +184,7 @@ void btrfs_inherit_iflags(struct inode *
+ return;
+
+ flags = BTRFS_I(dir)->flags;
++ flags &= ~BTRFS_INODE_BARRIER;
+
+ if (flags & BTRFS_INODE_NOCOMPRESS) {
+ BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS;
+@@ -146,6 +200,30 @@ void btrfs_inherit_iflags(struct inode *
+ btrfs_update_iflags(inode);
+ }
+
++int btrfs_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ struct btrfs_inode *ip = BTRFS_I(inode);
++ struct btrfs_root *root = ip->root;
++ struct btrfs_trans_handle *trans;
++ int ret;
++
++ trans = btrfs_join_transaction(root);
++ BUG_ON(!trans);
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ btrfs_update_flags(inode);
++
++ ret = btrfs_update_inode(trans, root, inode);
++ BUG_ON(ret);
++
++ btrfs_update_iflags(inode);
++ inode->i_ctime = CURRENT_TIME;
++ btrfs_end_transaction(trans, root);
++
++ return 0;
++}
++
+ static int btrfs_ioctl_getflags(struct file *file, void __user *arg)
+ {
+ struct btrfs_inode *ip = BTRFS_I(file->f_path.dentry->d_inode);
+@@ -208,21 +286,27 @@ static int btrfs_ioctl_setflags(struct f
+
+ flags = btrfs_mask_flags(inode->i_mode, flags);
+ oldflags = btrfs_flags_to_ioctl(ip->flags);
+- if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL)) {
++ if ((flags ^ oldflags) & (FS_APPEND_FL |
++ FS_IMMUTABLE_FL | FS_IXUNLINK_FL)) {
+ if (!capable(CAP_LINUX_IMMUTABLE)) {
+ ret = -EPERM;
+ goto out_unlock;
+ }
+ }
+
+- if (flags & FS_SYNC_FL)
+- ip->flags |= BTRFS_INODE_SYNC;
+- else
+- ip->flags &= ~BTRFS_INODE_SYNC;
+ if (flags & FS_IMMUTABLE_FL)
+ ip->flags |= BTRFS_INODE_IMMUTABLE;
+ else
+ ip->flags &= ~BTRFS_INODE_IMMUTABLE;
++ if (flags & FS_IXUNLINK_FL)
++ ip->flags |= BTRFS_INODE_IXUNLINK;
++ else
++ ip->flags &= ~BTRFS_INODE_IXUNLINK;
++
++ if (flags & FS_SYNC_FL)
++ ip->flags |= BTRFS_INODE_SYNC;
++ else
++ ip->flags &= ~BTRFS_INODE_SYNC;
+ if (flags & FS_APPEND_FL)
+ ip->flags |= BTRFS_INODE_APPEND;
+ else
+diff -NurpP --minimal linux-3.7.10/fs/btrfs/super.c linux-3.7.10-vs2.3.5.6/fs/btrfs/super.c
+--- linux-3.7.10/fs/btrfs/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/btrfs/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -312,7 +312,7 @@ enum {
+ Opt_no_space_cache, Opt_recovery, Opt_skip_balance,
+ Opt_check_integrity, Opt_check_integrity_including_extent_data,
+ Opt_check_integrity_print_mask, Opt_fatal_errors,
+- Opt_err,
++ Opt_tag, Opt_notag, Opt_tagid, Opt_err,
+ };
+
+ static match_table_t tokens = {
+@@ -352,6 +352,9 @@ static match_table_t tokens = {
+ {Opt_check_integrity_including_extent_data, "check_int_data"},
+ {Opt_check_integrity_print_mask, "check_int_print_mask=%d"},
+ {Opt_fatal_errors, "fatal_errors=%s"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL},
+ };
+
+@@ -614,6 +617,22 @@ int btrfs_parse_options(struct btrfs_roo
+ goto out;
+ }
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ printk(KERN_INFO "btrfs: use tagging\n");
++ btrfs_set_opt(info->mount_opt, TAGGED);
++ break;
++ case Opt_notag:
++ printk(KERN_INFO "btrfs: disabled tagging\n");
++ btrfs_clear_opt(info->mount_opt, TAGGED);
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ btrfs_set_opt(info->mount_opt, TAGGED);
++ break;
++#endif
+ case Opt_err:
+ printk(KERN_INFO "btrfs: unrecognized mount option "
+ "'%s'\n", p);
+@@ -1211,6 +1230,12 @@ static int btrfs_remount(struct super_bl
+ btrfs_resize_thread_pool(fs_info,
+ fs_info->thread_pool_size, old_thread_pool_size);
+
++ if (btrfs_test_opt(root, TAGGED) && !(sb->s_flags & MS_TAGGED)) {
++ printk("btrfs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ return -EINVAL;
++ }
++
+ if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY))
+ return 0;
+
+diff -NurpP --minimal linux-3.7.10/fs/char_dev.c linux-3.7.10-vs2.3.5.6/fs/char_dev.c
+--- linux-3.7.10/fs/char_dev.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/char_dev.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,8 @@
+ #include <linux/mutex.h>
+ #include <linux/backing-dev.h>
+ #include <linux/tty.h>
++#include <linux/vs_context.h>
++#include <linux/vs_device.h>
+
+ #include "internal.h"
+
+@@ -371,14 +373,21 @@ static int chrdev_open(struct inode *ino
+ struct cdev *p;
+ struct cdev *new = NULL;
+ int ret = 0;
++ dev_t mdev;
++
++ if (!vs_map_chrdev(inode->i_rdev, &mdev, DATTR_OPEN))
++ return -EPERM;
++ inode->i_mdev = mdev;
+
+ spin_lock(&cdev_lock);
+ p = inode->i_cdev;
+ if (!p) {
+ struct kobject *kobj;
+ int idx;
++
+ spin_unlock(&cdev_lock);
+- kobj = kobj_lookup(cdev_map, inode->i_rdev, &idx);
++
++ kobj = kobj_lookup(cdev_map, mdev, &idx);
+ if (!kobj)
+ return -ENXIO;
+ new = container_of(kobj, struct cdev, kobj);
+diff -NurpP --minimal linux-3.7.10/fs/dcache.c linux-3.7.10-vs2.3.5.6/fs/dcache.c
+--- linux-3.7.10/fs/dcache.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/dcache.c 2013-01-16 00:19:03.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/rculist_bl.h>
+ #include <linux/prefetch.h>
+ #include <linux/ratelimit.h>
++#include <linux/vs_limit.h>
+ #include "internal.h"
+ #include "mount.h"
+
+@@ -617,6 +618,8 @@ int d_invalidate(struct dentry * dentry)
+ spin_lock(&dentry->d_lock);
+ }
+
++ vx_dentry_dec(dentry);
++
+ /*
+ * Somebody else still using it?
+ *
+@@ -646,6 +649,7 @@ EXPORT_SYMBOL(d_invalidate);
+ static inline void __dget_dlock(struct dentry *dentry)
+ {
+ dentry->d_count++;
++ vx_dentry_inc(dentry);
+ }
+
+ static inline void __dget(struct dentry *dentry)
+@@ -1276,6 +1280,9 @@ struct dentry *__d_alloc(struct super_bl
+ struct dentry *dentry;
+ char *dname;
+
++ if (!vx_dentry_avail(1))
++ return NULL;
++
+ dentry = kmem_cache_alloc(dentry_cache, GFP_KERNEL);
+ if (!dentry)
+ return NULL;
+@@ -1308,6 +1315,7 @@ struct dentry *__d_alloc(struct super_bl
+
+ dentry->d_count = 1;
+ dentry->d_flags = 0;
++ vx_dentry_inc(dentry);
+ spin_lock_init(&dentry->d_lock);
+ seqcount_init(&dentry->d_seq);
+ dentry->d_inode = NULL;
+@@ -2012,6 +2020,7 @@ struct dentry *__d_lookup(struct dentry
+ }
+
+ dentry->d_count++;
++ vx_dentry_inc(dentry);
+ found = dentry;
+ spin_unlock(&dentry->d_lock);
+ break;
+diff -NurpP --minimal linux-3.7.10/fs/devpts/inode.c linux-3.7.10-vs2.3.5.6/fs/devpts/inode.c
+--- linux-3.7.10/fs/devpts/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/devpts/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,7 @@
+ #include <linux/parser.h>
+ #include <linux/fsnotify.h>
+ #include <linux/seq_file.h>
++#include <linux/vs_base.h>
+
+ #define DEVPTS_DEFAULT_MODE 0600
+ /*
+@@ -36,6 +37,21 @@
+ #define DEVPTS_DEFAULT_PTMX_MODE 0000
+ #define PTMX_MINOR 2
+
++static int devpts_permission(struct inode *inode, int mask)
++{
++ int ret = -EACCES;
++
++ /* devpts is xid tagged */
++ if (vx_check((xid_t)i_tag_read(inode), VS_WATCH_P | VS_IDENT))
++ ret = generic_permission(inode, mask);
++ return ret;
++}
++
++static struct inode_operations devpts_file_inode_operations = {
++ .permission = devpts_permission,
++};
++
++
+ /*
+ * sysctl support for setting limits on the number of Unix98 ptys allocated.
+ * Otherwise one can eat up all kernel memory by opening /dev/ptmx repeatedly.
+@@ -336,6 +352,34 @@ static int devpts_show_options(struct se
+ return 0;
+ }
+
++static int devpts_filter(struct dentry *de)
++{
++ xid_t xid = 0;
++
++ /* devpts is xid tagged */
++ if (de && de->d_inode)
++ xid = (xid_t)i_tag_read(de->d_inode);
++#ifdef CONFIG_VSERVER_WARN_DEVPTS
++ else
++ vxwprintk_task(1, "devpts " VS_Q("%.*s") " without inode.",
++ de->d_name.len, de->d_name.name);
++#endif
++ return vx_check(xid, VS_WATCH_P | VS_IDENT);
++}
++
++static int devpts_readdir(struct file * filp, void * dirent, filldir_t filldir)
++{
++ return dcache_readdir_filter(filp, dirent, filldir, devpts_filter);
++}
++
++static struct file_operations devpts_dir_operations = {
++ .open = dcache_dir_open,
++ .release = dcache_dir_close,
++ .llseek = dcache_dir_lseek,
++ .read = generic_read_dir,
++ .readdir = devpts_readdir,
++};
++
+ static const struct super_operations devpts_sops = {
+ .statfs = simple_statfs,
+ .remount_fs = devpts_remount,
+@@ -379,8 +423,10 @@ devpts_fill_super(struct super_block *s,
+ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+ inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR;
+ inode->i_op = &simple_dir_inode_operations;
+- inode->i_fop = &simple_dir_operations;
++ inode->i_fop = &devpts_dir_operations;
+ set_nlink(inode, 2);
++ /* devpts is xid tagged */
++ i_tag_write(inode, (tag_t)vx_current_xid());
+
+ s->s_root = d_make_root(inode);
+ if (s->s_root)
+@@ -572,6 +618,9 @@ int devpts_pty_new(struct inode *ptmx_in
+ inode->i_gid = opts->setgid ? opts->gid : current_fsgid();
+ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+ init_special_inode(inode, S_IFCHR|opts->mode, device);
++ /* devpts is xid tagged */
++ i_tag_write(inode, (tag_t)vx_current_xid());
++ inode->i_op = &devpts_file_inode_operations;
+ inode->i_private = tty;
+ tty->driver_data = inode;
+
+diff -NurpP --minimal linux-3.7.10/fs/ext2/balloc.c linux-3.7.10-vs2.3.5.6/fs/ext2/balloc.c
+--- linux-3.7.10/fs/ext2/balloc.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/balloc.c 2012-12-18 15:13:16.000000000 +0000
+@@ -699,7 +699,6 @@ ext2_try_to_allocate(struct super_block
+ start = 0;
+ end = EXT2_BLOCKS_PER_GROUP(sb);
+ }
+-
+ BUG_ON(start > EXT2_BLOCKS_PER_GROUP(sb));
+
+ repeat:
+diff -NurpP --minimal linux-3.7.10/fs/ext2/ext2.h linux-3.7.10-vs2.3.5.6/fs/ext2/ext2.h
+--- linux-3.7.10/fs/ext2/ext2.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/ext2.h 2012-12-18 15:13:16.000000000 +0000
+@@ -244,8 +244,12 @@ struct ext2_group_desc
+ #define EXT2_NOTAIL_FL FS_NOTAIL_FL /* file tail should not be merged */
+ #define EXT2_DIRSYNC_FL FS_DIRSYNC_FL /* dirsync behaviour (directories only) */
+ #define EXT2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
++#define EXT2_IXUNLINK_FL FS_IXUNLINK_FL /* Immutable invert on unlink */
+ #define EXT2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
+
++#define EXT2_BARRIER_FL FS_BARRIER_FL /* Barrier for chroot() */
++#define EXT2_COW_FL FS_COW_FL /* Copy on Write marker */
++
+ #define EXT2_FL_USER_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
+ #define EXT2_FL_USER_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
+
+@@ -329,7 +333,8 @@ struct ext2_inode {
+ __u16 i_pad1;
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+- __u32 l_i_reserved2;
++ __le16 l_i_tag; /* Context Tag */
++ __u16 l_i_reserved2;
+ } linux2;
+ struct {
+ __u8 h_i_frag; /* Fragment number */
+@@ -357,6 +362,7 @@ struct ext2_inode {
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_reserved2 osd2.linux2.l_i_reserved2
+
+ /*
+@@ -384,6 +390,7 @@ struct ext2_inode {
+ #define EXT2_MOUNT_USRQUOTA 0x020000 /* user quota */
+ #define EXT2_MOUNT_GRPQUOTA 0x040000 /* group quota */
+ #define EXT2_MOUNT_RESERVATION 0x080000 /* Preallocation */
++#define EXT2_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
+
+
+ #define clear_opt(o, opt) o &= ~EXT2_MOUNT_##opt
+@@ -757,6 +764,7 @@ extern void ext2_set_inode_flags(struct
+ extern void ext2_get_inode_flags(struct ext2_inode_info *);
+ extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ u64 start, u64 len);
++extern int ext2_sync_flags(struct inode *, int, int);
+
+ /* ioctl.c */
+ extern long ext2_ioctl(struct file *, unsigned int, unsigned long);
+diff -NurpP --minimal linux-3.7.10/fs/ext2/file.c linux-3.7.10-vs2.3.5.6/fs/ext2/file.c
+--- linux-3.7.10/fs/ext2/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -104,4 +104,5 @@ const struct inode_operations ext2_file_
+ .setattr = ext2_setattr,
+ .get_acl = ext2_get_acl,
+ .fiemap = ext2_fiemap,
++ .sync_flags = ext2_sync_flags,
+ };
+diff -NurpP --minimal linux-3.7.10/fs/ext2/ialloc.c linux-3.7.10-vs2.3.5.6/fs/ext2/ialloc.c
+--- linux-3.7.10/fs/ext2/ialloc.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/ialloc.c 2012-12-18 15:13:16.000000000 +0000
+@@ -17,6 +17,7 @@
+ #include <linux/backing-dev.h>
+ #include <linux/buffer_head.h>
+ #include <linux/random.h>
++#include <linux/vs_tag.h>
+ #include "ext2.h"
+ #include "xattr.h"
+ #include "acl.h"
+@@ -547,6 +548,7 @@ got:
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ inode->i_tag = dx_current_fstag(sb);
+ } else
+ inode_init_owner(inode, dir, mode);
+
+diff -NurpP --minimal linux-3.7.10/fs/ext2/inode.c linux-3.7.10-vs2.3.5.6/fs/ext2/inode.c
+--- linux-3.7.10/fs/ext2/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -31,6 +31,7 @@
+ #include <linux/mpage.h>
+ #include <linux/fiemap.h>
+ #include <linux/namei.h>
++#include <linux/vs_tag.h>
+ #include "ext2.h"
+ #include "acl.h"
+ #include "xip.h"
+@@ -1165,7 +1166,7 @@ static void ext2_truncate_blocks(struct
+ return;
+ if (ext2_inode_is_fast_symlink(inode))
+ return;
+- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
++ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
+ return;
+ __ext2_truncate_blocks(inode, offset);
+ }
+@@ -1256,36 +1257,61 @@ void ext2_set_inode_flags(struct inode *
+ {
+ unsigned int flags = EXT2_I(inode)->i_flags;
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
++
++
++ if (flags & EXT2_IMMUTABLE_FL)
++ inode->i_flags |= S_IMMUTABLE;
++ if (flags & EXT2_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
+ if (flags & EXT2_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+ if (flags & EXT2_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+- if (flags & EXT2_IMMUTABLE_FL)
+- inode->i_flags |= S_IMMUTABLE;
+ if (flags & EXT2_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & EXT2_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & EXT2_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & EXT2_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to EXT2_I(inode)->i_flags */
+ void ext2_get_inode_flags(struct ext2_inode_info *ei)
+ {
+ unsigned int flags = ei->vfs_inode.i_flags;
++ unsigned int vflags = ei->vfs_inode.i_vflags;
++
++ ei->i_flags &= ~(EXT2_SYNC_FL | EXT2_APPEND_FL |
++ EXT2_IMMUTABLE_FL | EXT2_IXUNLINK_FL |
++ EXT2_NOATIME_FL | EXT2_DIRSYNC_FL |
++ EXT2_BARRIER_FL | EXT2_COW_FL);
++
++ if (flags & S_IMMUTABLE)
++ ei->i_flags |= EXT2_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ ei->i_flags |= EXT2_IXUNLINK_FL;
+
+- ei->i_flags &= ~(EXT2_SYNC_FL|EXT2_APPEND_FL|
+- EXT2_IMMUTABLE_FL|EXT2_NOATIME_FL|EXT2_DIRSYNC_FL);
+ if (flags & S_SYNC)
+ ei->i_flags |= EXT2_SYNC_FL;
+ if (flags & S_APPEND)
+ ei->i_flags |= EXT2_APPEND_FL;
+- if (flags & S_IMMUTABLE)
+- ei->i_flags |= EXT2_IMMUTABLE_FL;
+ if (flags & S_NOATIME)
+ ei->i_flags |= EXT2_NOATIME_FL;
+ if (flags & S_DIRSYNC)
+ ei->i_flags |= EXT2_DIRSYNC_FL;
++
++ if (vflags & V_BARRIER)
++ ei->i_flags |= EXT2_BARRIER_FL;
++ if (vflags & V_COW)
++ ei->i_flags |= EXT2_COW_FL;
+ }
+
+ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
+@@ -1321,8 +1347,10 @@ struct inode *ext2_iget (struct super_bl
+ i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+ i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+ }
+- i_uid_write(inode, i_uid);
+- i_gid_write(inode, i_gid);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), i_uid, i_gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), i_uid, i_gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), i_uid, i_gid,
++ le16_to_cpu(raw_inode->i_raw_tag)));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
+ inode->i_size = le32_to_cpu(raw_inode->i_size);
+ inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
+@@ -1420,8 +1448,10 @@ static int __ext2_write_inode(struct ino
+ struct ext2_inode_info *ei = EXT2_I(inode);
+ struct super_block *sb = inode->i_sb;
+ ino_t ino = inode->i_ino;
+- uid_t uid = i_uid_read(inode);
+- gid_t gid = i_gid_read(inode);
++ uid_t uid = TAGINO_UID(DX_TAG(inode),
++ i_uid_read(inode), i_tag_read(inode));
++ gid_t gid = TAGINO_GID(DX_TAG(inode),
++ i_gid_read(inode), i_tag_read(inode));
+ struct buffer_head * bh;
+ struct ext2_inode * raw_inode = ext2_get_inode(sb, ino, &bh);
+ int n;
+@@ -1457,6 +1487,9 @@ static int __ext2_write_inode(struct ino
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ }
++#ifdef CONFIG_TAGGING_INTERN
++ raw_inode->i_raw_tag = cpu_to_le16(i_tag_read(inode));
++#endif
+ raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
+ raw_inode->i_size = cpu_to_le32(inode->i_size);
+ raw_inode->i_atime = cpu_to_le32(inode->i_atime.tv_sec);
+@@ -1537,7 +1570,8 @@ int ext2_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, iattr))
+ dquot_initialize(inode);
+ if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
+- (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
++ (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid)) ||
++ (iattr->ia_valid & ATTR_TAG && !tag_eq(iattr->ia_tag, inode->i_tag))) {
+ error = dquot_transfer(inode, iattr);
+ if (error)
+ return error;
+diff -NurpP --minimal linux-3.7.10/fs/ext2/ioctl.c linux-3.7.10-vs2.3.5.6/fs/ext2/ioctl.c
+--- linux-3.7.10/fs/ext2/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -17,6 +17,16 @@
+ #include <asm/uaccess.h>
+
+
++int ext2_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext2_get_inode_flags(EXT2_I(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++ mark_inode_dirty(inode);
++ return 0;
++}
++
+ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -51,6 +61,11 @@ long ext2_ioctl(struct file *filp, unsig
+
+ flags = ext2_mask_flags(inode->i_mode, flags);
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ mutex_lock(&inode->i_mutex);
+ /* Is it quota file? Do not allow user to mess with it */
+ if (IS_NOQUOTA(inode)) {
+@@ -66,7 +81,9 @@ long ext2_ioctl(struct file *filp, unsig
+ *
+ * This test looks nicer. Thanks to Pauline Middelink
+ */
+- if ((flags ^ oldflags) & (EXT2_APPEND_FL | EXT2_IMMUTABLE_FL)) {
++ if ((oldflags & EXT2_IMMUTABLE_FL) ||
++ ((flags ^ oldflags) & (EXT2_APPEND_FL |
++ EXT2_IMMUTABLE_FL | EXT2_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE)) {
+ mutex_unlock(&inode->i_mutex);
+ ret = -EPERM;
+@@ -74,7 +91,7 @@ long ext2_ioctl(struct file *filp, unsig
+ }
+ }
+
+- flags = flags & EXT2_FL_USER_MODIFIABLE;
++ flags &= EXT2_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~EXT2_FL_USER_MODIFIABLE;
+ ei->i_flags = flags;
+
+diff -NurpP --minimal linux-3.7.10/fs/ext2/namei.c linux-3.7.10-vs2.3.5.6/fs/ext2/namei.c
+--- linux-3.7.10/fs/ext2/namei.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/namei.c 2012-12-18 15:13:16.000000000 +0000
+@@ -32,6 +32,7 @@
+
+ #include <linux/pagemap.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+ #include "ext2.h"
+ #include "xattr.h"
+ #include "acl.h"
+@@ -73,6 +74,7 @@ static struct dentry *ext2_lookup(struct
+ (unsigned long) ino);
+ return ERR_PTR(-EIO);
+ }
++ dx_propagate_tag(nd, inode);
+ }
+ return d_splice_alias(inode, dentry);
+ }
+@@ -397,6 +399,7 @@ const struct inode_operations ext2_dir_i
+ .removexattr = generic_removexattr,
+ #endif
+ .setattr = ext2_setattr,
++ .sync_flags = ext2_sync_flags,
+ .get_acl = ext2_get_acl,
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/ext2/super.c linux-3.7.10-vs2.3.5.6/fs/ext2/super.c
+--- linux-3.7.10/fs/ext2/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext2/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -395,7 +395,8 @@ enum {
+ Opt_err_ro, Opt_nouid32, Opt_nocheck, Opt_debug,
+ Opt_oldalloc, Opt_orlov, Opt_nobh, Opt_user_xattr, Opt_nouser_xattr,
+ Opt_acl, Opt_noacl, Opt_xip, Opt_ignore, Opt_err, Opt_quota,
+- Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation
++ Opt_usrquota, Opt_grpquota, Opt_reservation, Opt_noreservation,
++ Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -423,6 +424,9 @@ static const match_table_t tokens = {
+ {Opt_acl, "acl"},
+ {Opt_noacl, "noacl"},
+ {Opt_xip, "xip"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_grpquota, "grpquota"},
+ {Opt_ignore, "noquota"},
+ {Opt_quota, "quota"},
+@@ -506,6 +510,20 @@ static int parse_options(char *options,
+ case Opt_nouid32:
+ set_opt (sbi->s_mount_opt, NO_UID32);
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++ case Opt_notag:
++ clear_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
+ case Opt_nocheck:
+ clear_opt (sbi->s_mount_opt, CHECK);
+ break;
+@@ -864,6 +882,8 @@ static int ext2_fill_super(struct super_
+ if (!parse_options((char *) data, sb))
+ goto failed_mount;
+
++ if (EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ ((EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ?
+ MS_POSIXACL : 0);
+@@ -1269,6 +1289,14 @@ static int ext2_remount (struct super_bl
+ err = -EINVAL;
+ goto restore_opts;
+ }
++
++ if ((sbi->s_mount_opt & EXT2_MOUNT_TAGGED) &&
++ !(sb->s_flags & MS_TAGGED)) {
++ printk("EXT2-fs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ err = -EINVAL;
++ goto restore_opts;
++ }
+
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ ((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+diff -NurpP --minimal linux-3.7.10/fs/ext3/ext3.h linux-3.7.10-vs2.3.5.6/fs/ext3/ext3.h
+--- linux-3.7.10/fs/ext3/ext3.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/ext3.h 2012-12-18 15:13:16.000000000 +0000
+@@ -151,10 +151,14 @@ struct ext3_group_desc
+ #define EXT3_NOTAIL_FL 0x00008000 /* file tail should not be merged */
+ #define EXT3_DIRSYNC_FL 0x00010000 /* dirsync behaviour (directories only) */
+ #define EXT3_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/
++#define EXT3_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define EXT3_RESERVED_FL 0x80000000 /* reserved for ext3 lib */
+
+-#define EXT3_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
+-#define EXT3_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
++#define EXT3_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define EXT3_COW_FL 0x20000000 /* Copy on Write marker */
++
++#define EXT3_FL_USER_VISIBLE 0x0103DFFF /* User visible flags */
++#define EXT3_FL_USER_MODIFIABLE 0x010380FF /* User modifiable flags */
+
+ /* Flags that should be inherited by new inodes from their parent. */
+ #define EXT3_FL_INHERITED (EXT3_SECRM_FL | EXT3_UNRM_FL | EXT3_COMPR_FL |\
+@@ -290,7 +294,8 @@ struct ext3_inode {
+ __u16 i_pad1;
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+- __u32 l_i_reserved2;
++ __le16 l_i_tag; /* Context Tag */
++ __u16 l_i_reserved2;
+ } linux2;
+ struct {
+ __u8 h_i_frag; /* Fragment number */
+@@ -320,6 +325,7 @@ struct ext3_inode {
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_reserved2 osd2.linux2.l_i_reserved2
+
+ /*
+@@ -364,6 +370,7 @@ struct ext3_inode {
+ #define EXT3_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
+ #define EXT3_MOUNT_DATA_ERR_ABORT 0x400000 /* Abort on file data write
+ * error in ordered mode */
++#define EXT3_MOUNT_TAGGED (1<<24) /* Enable Context Tags */
+
+ /* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
+ #ifndef _LINUX_EXT2_FS_H
+@@ -1061,6 +1068,7 @@ extern void ext3_get_inode_flags(struct
+ extern void ext3_set_aops(struct inode *inode);
+ extern int ext3_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ u64 start, u64 len);
++extern int ext3_sync_flags(struct inode *, int, int);
+
+ /* ioctl.c */
+ extern long ext3_ioctl(struct file *, unsigned int, unsigned long);
+diff -NurpP --minimal linux-3.7.10/fs/ext3/file.c linux-3.7.10-vs2.3.5.6/fs/ext3/file.c
+--- linux-3.7.10/fs/ext3/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -76,5 +76,6 @@ const struct inode_operations ext3_file_
+ #endif
+ .get_acl = ext3_get_acl,
+ .fiemap = ext3_fiemap,
++ .sync_flags = ext3_sync_flags,
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/ext3/ialloc.c linux-3.7.10-vs2.3.5.6/fs/ext3/ialloc.c
+--- linux-3.7.10/fs/ext3/ialloc.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/ialloc.c 2012-12-18 15:13:16.000000000 +0000
+@@ -14,6 +14,7 @@
+
+ #include <linux/quotaops.h>
+ #include <linux/random.h>
++#include <linux/vs_tag.h>
+
+ #include "ext3.h"
+ #include "xattr.h"
+@@ -469,6 +470,7 @@ got:
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ inode->i_tag = dx_current_fstag(sb);
+ } else
+ inode_init_owner(inode, dir, mode);
+
+diff -NurpP --minimal linux-3.7.10/fs/ext3/inode.c linux-3.7.10-vs2.3.5.6/fs/ext3/inode.c
+--- linux-3.7.10/fs/ext3/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -27,6 +27,8 @@
+ #include <linux/writeback.h>
+ #include <linux/mpage.h>
+ #include <linux/namei.h>
++#include <linux/vs_tag.h>
++
+ #include "ext3.h"
+ #include "xattr.h"
+ #include "acl.h"
+@@ -2848,36 +2850,60 @@ void ext3_set_inode_flags(struct inode *
+ {
+ unsigned int flags = EXT3_I(inode)->i_flags;
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
++
++ if (flags & EXT3_IMMUTABLE_FL)
++ inode->i_flags |= S_IMMUTABLE;
++ if (flags & EXT3_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
+ if (flags & EXT3_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+ if (flags & EXT3_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+- if (flags & EXT3_IMMUTABLE_FL)
+- inode->i_flags |= S_IMMUTABLE;
+ if (flags & EXT3_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & EXT3_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & EXT3_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & EXT3_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to EXT3_I(inode)->i_flags */
+ void ext3_get_inode_flags(struct ext3_inode_info *ei)
+ {
+ unsigned int flags = ei->vfs_inode.i_flags;
++ unsigned int vflags = ei->vfs_inode.i_vflags;
++
++ ei->i_flags &= ~(EXT3_SYNC_FL | EXT3_APPEND_FL |
++ EXT3_IMMUTABLE_FL | EXT3_IXUNLINK_FL |
++ EXT3_NOATIME_FL | EXT3_DIRSYNC_FL |
++ EXT3_BARRIER_FL | EXT3_COW_FL);
++
++ if (flags & S_IMMUTABLE)
++ ei->i_flags |= EXT3_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ ei->i_flags |= EXT3_IXUNLINK_FL;
+
+- ei->i_flags &= ~(EXT3_SYNC_FL|EXT3_APPEND_FL|
+- EXT3_IMMUTABLE_FL|EXT3_NOATIME_FL|EXT3_DIRSYNC_FL);
+ if (flags & S_SYNC)
+ ei->i_flags |= EXT3_SYNC_FL;
+ if (flags & S_APPEND)
+ ei->i_flags |= EXT3_APPEND_FL;
+- if (flags & S_IMMUTABLE)
+- ei->i_flags |= EXT3_IMMUTABLE_FL;
+ if (flags & S_NOATIME)
+ ei->i_flags |= EXT3_NOATIME_FL;
+ if (flags & S_DIRSYNC)
+ ei->i_flags |= EXT3_DIRSYNC_FL;
++
++ if (vflags & V_BARRIER)
++ ei->i_flags |= EXT3_BARRIER_FL;
++ if (vflags & V_COW)
++ ei->i_flags |= EXT3_COW_FL;
+ }
+
+ struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
+@@ -2915,8 +2941,10 @@ struct inode *ext3_iget(struct super_blo
+ i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+ i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+ }
+- i_uid_write(inode, i_uid);
+- i_gid_write(inode, i_gid);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), i_uid, i_gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), i_uid, i_gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), i_uid, i_gid,
++ le16_to_cpu(raw_inode->i_raw_tag)));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
+ inode->i_size = le32_to_cpu(raw_inode->i_size);
+ inode->i_atime.tv_sec = (signed)le32_to_cpu(raw_inode->i_atime);
+@@ -3088,8 +3116,10 @@ again:
+
+ ext3_get_inode_flags(ei);
+ raw_inode->i_mode = cpu_to_le16(inode->i_mode);
+- i_uid = i_uid_read(inode);
+- i_gid = i_gid_read(inode);
++ i_uid = TAGINO_UID(DX_TAG(inode),
++ i_uid_read(inode), i_tag_read(inode));
++ i_gid = TAGINO_GID(DX_TAG(inode),
++ i_gid_read(inode), i_tag_read(inode));
+ if(!(test_opt(inode->i_sb, NO_UID32))) {
+ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(i_uid));
+ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(i_gid));
+@@ -3114,6 +3144,9 @@ again:
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ }
++#ifdef CONFIG_TAGGING_INTERN
++ raw_inode->i_raw_tag = cpu_to_le16(i_tag_read(inode));
++#endif
+ raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
+ disksize = cpu_to_le32(ei->i_disksize);
+ if (disksize != raw_inode->i_size) {
+@@ -3282,7 +3315,8 @@ int ext3_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, attr))
+ dquot_initialize(inode);
+ if ((ia_valid & ATTR_UID && !uid_eq(attr->ia_uid, inode->i_uid)) ||
+- (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid))) {
++ (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid)) ||
++ (ia_valid & ATTR_TAG && !tag_eq(attr->ia_tag, inode->i_tag))) {
+ handle_t *handle;
+
+ /* (user+group)*(old+new) structure, inode write (sb,
+@@ -3304,6 +3338,8 @@ int ext3_setattr(struct dentry *dentry,
+ inode->i_uid = attr->ia_uid;
+ if (attr->ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
++ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ error = ext3_mark_inode_dirty(handle, inode);
+ ext3_journal_stop(handle);
+ }
+diff -NurpP --minimal linux-3.7.10/fs/ext3/ioctl.c linux-3.7.10-vs2.3.5.6/fs/ext3/ioctl.c
+--- linux-3.7.10/fs/ext3/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -12,6 +12,34 @@
+ #include <asm/uaccess.h>
+ #include "ext3.h"
+
++
++int ext3_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ handle_t *handle = NULL;
++ struct ext3_iloc iloc;
++ int err;
++
++ handle = ext3_journal_start(inode, 1);
++ if (IS_ERR(handle))
++ return PTR_ERR(handle);
++
++ if (IS_SYNC(inode))
++ handle->h_sync = 1;
++ err = ext3_reserve_inode_write(handle, inode, &iloc);
++ if (err)
++ goto flags_err;
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext3_get_inode_flags(EXT3_I(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++
++ err = ext3_mark_iloc_dirty(handle, inode, &iloc);
++flags_err:
++ ext3_journal_stop(handle);
++ return err;
++}
++
+ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -45,6 +73,11 @@ long ext3_ioctl(struct file *filp, unsig
+
+ flags = ext3_mask_flags(inode->i_mode, flags);
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ mutex_lock(&inode->i_mutex);
+
+ /* Is it quota file? Do not allow user to mess with it */
+@@ -63,7 +96,9 @@ long ext3_ioctl(struct file *filp, unsig
+ *
+ * This test looks nicer. Thanks to Pauline Middelink
+ */
+- if ((flags ^ oldflags) & (EXT3_APPEND_FL | EXT3_IMMUTABLE_FL)) {
++ if ((oldflags & EXT3_IMMUTABLE_FL) ||
++ ((flags ^ oldflags) & (EXT3_APPEND_FL |
++ EXT3_IMMUTABLE_FL | EXT3_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE))
+ goto flags_out;
+ }
+@@ -88,7 +123,7 @@ long ext3_ioctl(struct file *filp, unsig
+ if (err)
+ goto flags_err;
+
+- flags = flags & EXT3_FL_USER_MODIFIABLE;
++ flags &= EXT3_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~EXT3_FL_USER_MODIFIABLE;
+ ei->i_flags = flags;
+
+diff -NurpP --minimal linux-3.7.10/fs/ext3/namei.c linux-3.7.10-vs2.3.5.6/fs/ext3/namei.c
+--- linux-3.7.10/fs/ext3/namei.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/namei.c 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,8 @@
+ */
+
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
++
+ #include "ext3.h"
+ #include "namei.h"
+ #include "xattr.h"
+@@ -919,6 +921,7 @@ restart:
+ submit_bh(READ | REQ_META | REQ_PRIO,
+ bh);
+ }
++ dx_propagate_tag(nd, inode);
+ }
+ }
+ if ((bh = bh_use[ra_ptr++]) == NULL)
+@@ -2528,6 +2531,7 @@ const struct inode_operations ext3_dir_i
+ .listxattr = ext3_listxattr,
+ .removexattr = generic_removexattr,
+ #endif
++ .sync_flags = ext3_sync_flags,
+ .get_acl = ext3_get_acl,
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/ext3/super.c linux-3.7.10-vs2.3.5.6/fs/ext3/super.c
+--- linux-3.7.10/fs/ext3/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext3/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -816,7 +816,8 @@ enum {
+ Opt_usrjquota, Opt_grpjquota, Opt_offusrjquota, Opt_offgrpjquota,
+ Opt_jqfmt_vfsold, Opt_jqfmt_vfsv0, Opt_jqfmt_vfsv1, Opt_quota,
+ Opt_noquota, Opt_ignore, Opt_barrier, Opt_nobarrier, Opt_err,
+- Opt_resize, Opt_usrquota, Opt_grpquota
++ Opt_resize, Opt_usrquota, Opt_grpquota,
++ Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -873,6 +874,9 @@ static const match_table_t tokens = {
+ {Opt_barrier, "barrier"},
+ {Opt_nobarrier, "nobarrier"},
+ {Opt_resize, "resize"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL},
+ };
+
+@@ -1038,6 +1042,20 @@ static int parse_options (char *options,
+ case Opt_nouid32:
+ set_opt (sbi->s_mount_opt, NO_UID32);
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++ case Opt_notag:
++ clear_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ set_opt (sbi->s_mount_opt, TAGGED);
++ break;
++#endif
+ case Opt_nocheck:
+ clear_opt (sbi->s_mount_opt, CHECK);
+ break;
+@@ -1738,6 +1756,9 @@ static int ext3_fill_super (struct super
+ NULL, 0))
+ goto failed_mount;
+
++ if (EXT3_SB(sb)->s_mount_opt & EXT3_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+@@ -2622,6 +2643,14 @@ static int ext3_remount (struct super_bl
+ if (test_opt(sb, ABORT))
+ ext3_abort(sb, __func__, "Abort forced by user");
+
++ if ((sbi->s_mount_opt & EXT3_MOUNT_TAGGED) &&
++ !(sb->s_flags & MS_TAGGED)) {
++ printk("EXT3-fs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ err = -EINVAL;
++ goto restore_opts;
++ }
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+diff -NurpP --minimal linux-3.7.10/fs/ext4/ext4.h linux-3.7.10-vs2.3.5.6/fs/ext4/ext4.h
+--- linux-3.7.10/fs/ext4/ext4.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/ext4.h 2012-12-18 15:13:16.000000000 +0000
+@@ -392,8 +392,12 @@ struct flex_groups {
+ #define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */
+ #define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */
+ #define EXT4_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
++#define EXT4_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
+
++#define EXT4_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define EXT4_COW_FL 0x20000000 /* Copy on Write marker */
++
+ #define EXT4_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */
+ #define EXT4_FL_USER_MODIFIABLE 0x004B80FF /* User modifiable flags */
+
+@@ -665,7 +669,7 @@ struct ext4_inode {
+ __le16 l_i_uid_high; /* these 2 fields */
+ __le16 l_i_gid_high; /* were reserved2[0] */
+ __le16 l_i_checksum_lo;/* crc32c(uuid+inum+inode) LE */
+- __le16 l_i_reserved;
++ __le16 l_i_tag; /* Context Tag */
+ } linux2;
+ struct {
+ __le16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */
+@@ -783,6 +787,7 @@ do { \
+ #define i_gid_low i_gid
+ #define i_uid_high osd2.linux2.l_i_uid_high
+ #define i_gid_high osd2.linux2.l_i_gid_high
++#define i_raw_tag osd2.linux2.l_i_tag
+ #define i_checksum_lo osd2.linux2.l_i_checksum_lo
+
+ #elif defined(__GNU__)
+@@ -961,6 +966,7 @@ struct ext4_inode_info {
+ #define EXT4_MOUNT_POSIX_ACL 0x08000 /* POSIX Access Control Lists */
+ #define EXT4_MOUNT_NO_AUTO_DA_ALLOC 0x10000 /* No auto delalloc mapping */
+ #define EXT4_MOUNT_BARRIER 0x20000 /* Use block barriers */
++#define EXT4_MOUNT_TAGGED 0x40000 /* Enable Context Tags */
+ #define EXT4_MOUNT_QUOTA 0x80000 /* Some quota option set */
+ #define EXT4_MOUNT_USRQUOTA 0x100000 /* "old" user quota */
+ #define EXT4_MOUNT_GRPQUOTA 0x200000 /* "old" group quota */
+@@ -2412,6 +2418,7 @@ extern int ext4_map_blocks(handle_t *han
+ struct ext4_map_blocks *map, int flags);
+ extern int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
+ __u64 start, __u64 len);
++extern int ext4_sync_flags(struct inode *, int, int);
+ /* move_extent.c */
+ extern int ext4_move_extents(struct file *o_filp, struct file *d_filp,
+ __u64 start_orig, __u64 start_donor,
+diff -NurpP --minimal linux-3.7.10/fs/ext4/file.c linux-3.7.10-vs2.3.5.6/fs/ext4/file.c
+--- linux-3.7.10/fs/ext4/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -334,5 +334,6 @@ const struct inode_operations ext4_file_
+ #endif
+ .get_acl = ext4_get_acl,
+ .fiemap = ext4_fiemap,
++ .sync_flags = ext4_sync_flags,
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/ext4/ialloc.c linux-3.7.10-vs2.3.5.6/fs/ext4/ialloc.c
+--- linux-3.7.10/fs/ext4/ialloc.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/ialloc.c 2013-02-05 01:14:43.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/random.h>
+ #include <linux/bitops.h>
+ #include <linux/blkdev.h>
++#include <linux/vs_tag.h>
+ #include <asm/byteorder.h>
+
+ #include "ext4.h"
+@@ -848,6 +849,7 @@ got:
+ inode->i_mode = mode;
+ inode->i_uid = current_fsuid();
+ inode->i_gid = dir->i_gid;
++ inode->i_tag = dx_current_fstag(sb);
+ } else
+ inode_init_owner(inode, dir, mode);
+
+diff -NurpP --minimal linux-3.7.10/fs/ext4/inode.c linux-3.7.10-vs2.3.5.6/fs/ext4/inode.c
+--- linux-3.7.10/fs/ext4/inode.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/inode.c 2013-02-05 01:14:43.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/printk.h>
+ #include <linux/slab.h>
+ #include <linux/ratelimit.h>
++#include <linux/vs_tag.h>
+
+ #include "ext4_jbd2.h"
+ #include "xattr.h"
+@@ -3697,41 +3698,64 @@ void ext4_set_inode_flags(struct inode *
+ {
+ unsigned int flags = EXT4_I(inode)->i_flags;
+
+- inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
++
++ if (flags & EXT4_IMMUTABLE_FL)
++ inode->i_flags |= S_IMMUTABLE;
++ if (flags & EXT4_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
+ if (flags & EXT4_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+ if (flags & EXT4_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+- if (flags & EXT4_IMMUTABLE_FL)
+- inode->i_flags |= S_IMMUTABLE;
+ if (flags & EXT4_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & EXT4_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & EXT4_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & EXT4_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to EXT4_I(inode)->i_flags */
+ void ext4_get_inode_flags(struct ext4_inode_info *ei)
+ {
+- unsigned int vfs_fl;
++ unsigned int vfs_fl, vfs_vf;
+ unsigned long old_fl, new_fl;
+
+ do {
+ vfs_fl = ei->vfs_inode.i_flags;
++ vfs_vf = ei->vfs_inode.i_vflags;
+ old_fl = ei->i_flags;
+ new_fl = old_fl & ~(EXT4_SYNC_FL|EXT4_APPEND_FL|
+ EXT4_IMMUTABLE_FL|EXT4_NOATIME_FL|
+- EXT4_DIRSYNC_FL);
++ EXT4_DIRSYNC_FL|EXT4_BARRIER_FL|
++ EXT4_COW_FL);
++
++ if (vfs_fl & S_IMMUTABLE)
++ new_fl |= EXT4_IMMUTABLE_FL;
++ if (vfs_fl & S_IXUNLINK)
++ new_fl |= EXT4_IXUNLINK_FL;
++
+ if (vfs_fl & S_SYNC)
+ new_fl |= EXT4_SYNC_FL;
+ if (vfs_fl & S_APPEND)
+ new_fl |= EXT4_APPEND_FL;
+- if (vfs_fl & S_IMMUTABLE)
+- new_fl |= EXT4_IMMUTABLE_FL;
+ if (vfs_fl & S_NOATIME)
+ new_fl |= EXT4_NOATIME_FL;
+ if (vfs_fl & S_DIRSYNC)
+ new_fl |= EXT4_DIRSYNC_FL;
++
++ if (vfs_vf & V_BARRIER)
++ new_fl |= EXT4_BARRIER_FL;
++ if (vfs_vf & V_COW)
++ new_fl |= EXT4_COW_FL;
+ } while (cmpxchg(&ei->i_flags, old_fl, new_fl) != old_fl);
+ }
+
+@@ -3823,8 +3847,10 @@ struct inode *ext4_iget(struct super_blo
+ i_uid |= le16_to_cpu(raw_inode->i_uid_high) << 16;
+ i_gid |= le16_to_cpu(raw_inode->i_gid_high) << 16;
+ }
+- i_uid_write(inode, i_uid);
+- i_gid_write(inode, i_gid);
++ i_uid_write(inode, INOTAG_UID(DX_TAG(inode), i_uid, i_gid));
++ i_gid_write(inode, INOTAG_GID(DX_TAG(inode), i_uid, i_gid));
++ i_tag_write(inode, INOTAG_TAG(DX_TAG(inode), i_uid, i_gid,
++ le16_to_cpu(raw_inode->i_raw_tag)));
+ set_nlink(inode, le16_to_cpu(raw_inode->i_links_count));
+
+ ext4_clear_state_flags(ei); /* Only relevant on 32-bit archs */
+@@ -4048,8 +4074,10 @@ static int ext4_do_update_inode(handle_t
+
+ ext4_get_inode_flags(ei);
+ raw_inode->i_mode = cpu_to_le16(inode->i_mode);
+- i_uid = i_uid_read(inode);
+- i_gid = i_gid_read(inode);
++ i_uid = TAGINO_UID(DX_TAG(inode),
++ i_uid_read(inode), i_tag_read(inode));
++ i_gid = TAGINO_GID(DX_TAG(inode),
++ i_gid_read(inode), i_tag_read(inode));
+ if (!(test_opt(inode->i_sb, NO_UID32))) {
+ raw_inode->i_uid_low = cpu_to_le16(low_16_bits(i_uid));
+ raw_inode->i_gid_low = cpu_to_le16(low_16_bits(i_gid));
+@@ -4072,6 +4100,9 @@ static int ext4_do_update_inode(handle_t
+ raw_inode->i_uid_high = 0;
+ raw_inode->i_gid_high = 0;
+ }
++#ifdef CONFIG_TAGGING_INTERN
++ raw_inode->i_raw_tag = cpu_to_le16(i_tag_read(inode));
++#endif
+ raw_inode->i_links_count = cpu_to_le16(inode->i_nlink);
+
+ EXT4_INODE_SET_XTIME(i_ctime, inode, raw_inode);
+@@ -4260,7 +4291,8 @@ int ext4_setattr(struct dentry *dentry,
+ if (is_quota_modification(inode, attr))
+ dquot_initialize(inode);
+ if ((ia_valid & ATTR_UID && !uid_eq(attr->ia_uid, inode->i_uid)) ||
+- (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid))) {
++ (ia_valid & ATTR_GID && !gid_eq(attr->ia_gid, inode->i_gid)) ||
++ (ia_valid & ATTR_TAG && !tag_eq(attr->ia_tag, inode->i_tag))) {
+ handle_t *handle;
+
+ /* (user+group)*(old+new) structure, inode write (sb,
+@@ -4282,6 +4314,8 @@ int ext4_setattr(struct dentry *dentry,
+ inode->i_uid = attr->ia_uid;
+ if (attr->ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
++ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ error = ext4_mark_inode_dirty(handle, inode);
+ ext4_journal_stop(handle);
+ }
+diff -NurpP --minimal linux-3.7.10/fs/ext4/ioctl.c linux-3.7.10-vs2.3.5.6/fs/ext4/ioctl.c
+--- linux-3.7.10/fs/ext4/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -14,12 +14,40 @@
+ #include <linux/compat.h>
+ #include <linux/mount.h>
+ #include <linux/file.h>
++#include <linux/vs_tag.h>
+ #include <asm/uaccess.h>
+ #include "ext4_jbd2.h"
+ #include "ext4.h"
+
+ #define MAX_32_NUM ((((unsigned long long) 1) << 32) - 1)
+
++int ext4_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ handle_t *handle = NULL;
++ struct ext4_iloc iloc;
++ int err;
++
++ handle = ext4_journal_start(inode, 1);
++ if (IS_ERR(handle))
++ return PTR_ERR(handle);
++
++ if (IS_SYNC(inode))
++ ext4_handle_sync(handle);
++ err = ext4_reserve_inode_write(handle, inode, &iloc);
++ if (err)
++ goto flags_err;
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ext4_get_inode_flags(EXT4_I(inode));
++ inode->i_ctime = ext4_current_time(inode);
++
++ err = ext4_mark_iloc_dirty(handle, inode, &iloc);
++flags_err:
++ ext4_journal_stop(handle);
++ return err;
++}
++
+ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -53,6 +81,11 @@ long ext4_ioctl(struct file *filp, unsig
+
+ flags = ext4_mask_flags(inode->i_mode, flags);
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ err = -EPERM;
+ mutex_lock(&inode->i_mutex);
+ /* Is it quota file? Do not allow user to mess with it */
+@@ -70,7 +103,9 @@ long ext4_ioctl(struct file *filp, unsig
+ *
+ * This test looks nicer. Thanks to Pauline Middelink
+ */
+- if ((flags ^ oldflags) & (EXT4_APPEND_FL | EXT4_IMMUTABLE_FL)) {
++ if ((oldflags & EXT4_IMMUTABLE_FL) ||
++ ((flags ^ oldflags) & (EXT4_APPEND_FL |
++ EXT4_IMMUTABLE_FL | EXT4_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE))
+ goto flags_out;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/ext4/namei.c linux-3.7.10-vs2.3.5.6/fs/ext4/namei.c
+--- linux-3.7.10/fs/ext4/namei.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/namei.c 2013-02-05 01:14:43.000000000 +0000
+@@ -34,6 +34,7 @@
+ #include <linux/quotaops.h>
+ #include <linux/buffer_head.h>
+ #include <linux/bio.h>
++#include <linux/vs_tag.h>
+ #include "ext4.h"
+ #include "ext4_jbd2.h"
+
+@@ -1232,6 +1233,7 @@ restart:
+ ll_rw_block(READ | REQ_META | REQ_PRIO,
+ 1, &bh);
+ }
++ dx_propagate_tag(nd, inode);
+ }
+ if ((bh = bh_use[ra_ptr++]) == NULL)
+ goto next;
+@@ -3052,6 +3054,7 @@ const struct inode_operations ext4_dir_i
+ #endif
+ .get_acl = ext4_get_acl,
+ .fiemap = ext4_fiemap,
++ .sync_flags = ext4_sync_flags,
+ };
+
+ const struct inode_operations ext4_special_inode_operations = {
+diff -NurpP --minimal linux-3.7.10/fs/ext4/super.c linux-3.7.10-vs2.3.5.6/fs/ext4/super.c
+--- linux-3.7.10/fs/ext4/super.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ext4/super.c 2013-02-05 01:15:45.000000000 +0000
+@@ -1222,7 +1222,7 @@ enum {
+ Opt_inode_readahead_blks, Opt_journal_ioprio,
+ Opt_dioread_nolock, Opt_dioread_lock,
+ Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
+- Opt_max_dir_size_kb,
++ Opt_max_dir_size_kb, Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -1302,6 +1302,9 @@ static const match_table_t tokens = {
+ {Opt_removed, "reservation"}, /* mount option from ext2/3 */
+ {Opt_removed, "noreservation"}, /* mount option from ext2/3 */
+ {Opt_removed, "journal=%u"}, /* mount option from ext2/3 */
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL},
+ };
+
+@@ -1549,6 +1552,20 @@ static int handle_mount_opt(struct super
+ return -1;
+ *journal_ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, arg);
+ return 1;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ set_opt(sb, TAGGED);
++ return 1;
++ case Opt_notag:
++ clear_opt(sb, TAGGED);
++ return 1;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ set_opt(sb, TAGGED);
++ return 1;
++#endif
+ }
+
+ for (m = ext4_mount_opts; m->token != Opt_err; m++) {
+@@ -3456,6 +3473,9 @@ static int ext4_fill_super(struct super_
+ clear_opt(sb, DELALLOC);
+ }
+
++ if (EXT4_SB(sb)->s_mount_opt & EXT4_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+@@ -4620,6 +4640,14 @@ static int ext4_remount(struct super_blo
+ if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED)
+ ext4_abort(sb, "Abort forced by user");
+
++ if ((sbi->s_mount_opt & EXT4_MOUNT_TAGGED) &&
++ !(sb->s_flags & MS_TAGGED)) {
++ printk("EXT4-fs: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ err = -EINVAL;
++ goto restore_opts;
++ }
++
+ sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
+ (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
+
+diff -NurpP --minimal linux-3.7.10/fs/fcntl.c linux-3.7.10-vs2.3.5.6/fs/fcntl.c
+--- linux-3.7.10/fs/fcntl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/fcntl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/rcupdate.h>
+ #include <linux/pid_namespace.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/poll.h>
+ #include <asm/siginfo.h>
+@@ -378,6 +379,8 @@ SYSCALL_DEFINE3(fcntl64, unsigned int, f
+
+ if (!f.file)
+ goto out;
++ if (!vx_files_avail(1))
++ goto out;
+
+ if (unlikely(f.file->f_mode & FMODE_PATH)) {
+ if (!check_fcntl_cmd(cmd))
+diff -NurpP --minimal linux-3.7.10/fs/file.c linux-3.7.10-vs2.3.5.6/fs/file.c
+--- linux-3.7.10/fs/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/spinlock.h>
+ #include <linux/rcupdate.h>
+ #include <linux/workqueue.h>
++#include <linux/vs_limit.h>
+
+ struct fdtable_defer {
+ spinlock_t lock;
+@@ -364,6 +365,8 @@ struct files_struct *dup_fd(struct files
+ struct file *f = *old_fds++;
+ if (f) {
+ get_file(f);
++ /* TODO: sum it first for check and performance */
++ vx_openfd_inc(open_files - i);
+ } else {
+ /*
+ * The fd may be claimed in the fd bitmap but not yet
+@@ -429,9 +432,11 @@ static void close_files(struct files_str
+ filp_close(file, files);
+ cond_resched();
+ }
++ vx_openfd_dec(i);
+ }
+ i++;
+ set >>= 1;
++ cond_resched();
+ }
+ }
+ }
+@@ -573,6 +578,7 @@ repeat:
+ else
+ __clear_close_on_exec(fd, fdt);
+ error = fd;
++ vx_openfd_inc(fd);
+ #if 1
+ /* Sanity check */
+ if (rcu_dereference_raw(fdt->fd[fd]) != NULL) {
+@@ -603,6 +609,7 @@ static void __put_unused_fd(struct files
+ __clear_open_fd(fd, fdt);
+ if (fd < files->next_fd)
+ files->next_fd = fd;
++ vx_openfd_dec(fd);
+ }
+
+ void put_unused_fd(unsigned int fd)
+@@ -882,6 +889,8 @@ static int do_dup2(struct files_struct *
+
+ if (tofree)
+ filp_close(tofree, files);
++ else
++ vx_openfd_inc(fd); /* fd was unused */
+
+ return fd;
+
+diff -NurpP --minimal linux-3.7.10/fs/file_table.c linux-3.7.10-vs2.3.5.6/fs/file_table.c
+--- linux-3.7.10/fs/file_table.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/file_table.c 2013-01-16 00:19:03.000000000 +0000
+@@ -26,6 +26,8 @@
+ #include <linux/hardirq.h>
+ #include <linux/task_work.h>
+ #include <linux/ima.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_context.h>
+
+ #include <linux/atomic.h>
+
+@@ -136,6 +138,8 @@ struct file *get_empty_filp(void)
+ spin_lock_init(&f->f_lock);
+ eventpoll_init_file(f);
+ /* f->f_version: 0 */
++ f->f_xid = vx_current_xid();
++ vx_files_inc(f);
+ return f;
+
+ over:
+@@ -257,6 +261,8 @@ static void __fput(struct file *file)
+ i_readcount_dec(inode);
+ if (file->f_mode & FMODE_WRITE)
+ drop_file_write_access(file);
++ vx_files_dec(file);
++ file->f_xid = 0;
+ file->f_path.dentry = NULL;
+ file->f_path.mnt = NULL;
+ file_free(file);
+@@ -343,6 +349,8 @@ void put_filp(struct file *file)
+ {
+ if (atomic_long_dec_and_test(&file->f_count)) {
+ security_file_free(file);
++ vx_files_dec(file);
++ file->f_xid = 0;
+ file_sb_list_del(file);
+ file_free(file);
+ }
+diff -NurpP --minimal linux-3.7.10/fs/fs_struct.c linux-3.7.10-vs2.3.5.6/fs/fs_struct.c
+--- linux-3.7.10/fs/fs_struct.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/fs_struct.c 2012-12-18 15:13:16.000000000 +0000
+@@ -4,6 +4,7 @@
+ #include <linux/path.h>
+ #include <linux/slab.h>
+ #include <linux/fs_struct.h>
++#include <linux/vserver/global.h>
+ #include "internal.h"
+
+ /*
+@@ -87,6 +88,7 @@ void free_fs_struct(struct fs_struct *fs
+ {
+ path_put(&fs->root);
+ path_put(&fs->pwd);
++ atomic_dec(&vs_global_fs);
+ kmem_cache_free(fs_cachep, fs);
+ }
+
+@@ -124,6 +126,7 @@ struct fs_struct *copy_fs_struct(struct
+ fs->pwd = old->pwd;
+ path_get(&fs->pwd);
+ spin_unlock(&old->lock);
++ atomic_inc(&vs_global_fs);
+ }
+ return fs;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/gfs2/file.c linux-3.7.10-vs2.3.5.6/fs/gfs2/file.c
+--- linux-3.7.10/fs/gfs2/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/gfs2/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -143,6 +143,9 @@ static const u32 fsflags_to_gfs2[32] = {
+ [12] = GFS2_DIF_EXHASH,
+ [14] = GFS2_DIF_INHERIT_JDATA,
+ [17] = GFS2_DIF_TOPDIR,
++ [27] = GFS2_DIF_IXUNLINK,
++ [26] = GFS2_DIF_BARRIER,
++ [29] = GFS2_DIF_COW,
+ };
+
+ static const u32 gfs2_to_fsflags[32] = {
+@@ -153,6 +156,9 @@ static const u32 gfs2_to_fsflags[32] = {
+ [gfs2fl_ExHash] = FS_INDEX_FL,
+ [gfs2fl_TopLevel] = FS_TOPDIR_FL,
+ [gfs2fl_InheritJdata] = FS_JOURNAL_DATA_FL,
++ [gfs2fl_IXUnlink] = FS_IXUNLINK_FL,
++ [gfs2fl_Barrier] = FS_BARRIER_FL,
++ [gfs2fl_Cow] = FS_COW_FL,
+ };
+
+ static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
+@@ -183,12 +189,18 @@ void gfs2_set_inode_flags(struct inode *
+ {
+ struct gfs2_inode *ip = GFS2_I(inode);
+ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC | S_NOSEC);
+
+- flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_NOSEC);
+ if ((ip->i_eattr == 0) && !is_sxid(inode->i_mode))
+ inode->i_flags |= S_NOSEC;
+ if (ip->i_diskflags & GFS2_DIF_IMMUTABLE)
+ flags |= S_IMMUTABLE;
++ if (ip->i_diskflags & GFS2_DIF_IXUNLINK)
++ flags |= S_IXUNLINK;
++
+ if (ip->i_diskflags & GFS2_DIF_APPENDONLY)
+ flags |= S_APPEND;
+ if (ip->i_diskflags & GFS2_DIF_NOATIME)
+@@ -196,6 +208,43 @@ void gfs2_set_inode_flags(struct inode *
+ if (ip->i_diskflags & GFS2_DIF_SYNC)
+ flags |= S_SYNC;
+ inode->i_flags = flags;
++
++ vflags &= ~(V_BARRIER | V_COW);
++
++ if (ip->i_diskflags & GFS2_DIF_BARRIER)
++ vflags |= V_BARRIER;
++ if (ip->i_diskflags & GFS2_DIF_COW)
++ vflags |= V_COW;
++ inode->i_vflags = vflags;
++}
++
++void gfs2_get_inode_flags(struct inode *inode)
++{
++ struct gfs2_inode *ip = GFS2_I(inode);
++ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ ip->i_diskflags &= ~(GFS2_DIF_APPENDONLY |
++ GFS2_DIF_NOATIME | GFS2_DIF_SYNC |
++ GFS2_DIF_IMMUTABLE | GFS2_DIF_IXUNLINK |
++ GFS2_DIF_BARRIER | GFS2_DIF_COW);
++
++ if (flags & S_IMMUTABLE)
++ ip->i_diskflags |= GFS2_DIF_IMMUTABLE;
++ if (flags & S_IXUNLINK)
++ ip->i_diskflags |= GFS2_DIF_IXUNLINK;
++
++ if (flags & S_APPEND)
++ ip->i_diskflags |= GFS2_DIF_APPENDONLY;
++ if (flags & S_NOATIME)
++ ip->i_diskflags |= GFS2_DIF_NOATIME;
++ if (flags & S_SYNC)
++ ip->i_diskflags |= GFS2_DIF_SYNC;
++
++ if (vflags & V_BARRIER)
++ ip->i_diskflags |= GFS2_DIF_BARRIER;
++ if (vflags & V_COW)
++ ip->i_diskflags |= GFS2_DIF_COW;
+ }
+
+ /* Flags that can be set by user space */
+@@ -309,6 +358,37 @@ static int gfs2_set_flags(struct file *f
+ return do_gfs2_set_flags(filp, gfsflags, ~GFS2_DIF_JDATA);
+ }
+
++int gfs2_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ struct gfs2_inode *ip = GFS2_I(inode);
++ struct gfs2_sbd *sdp = GFS2_SB(inode);
++ struct buffer_head *bh;
++ struct gfs2_holder gh;
++ int error;
++
++ error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
++ if (error)
++ return error;
++ error = gfs2_trans_begin(sdp, RES_DINODE, 0);
++ if (error)
++ goto out;
++ error = gfs2_meta_inode_buffer(ip, &bh);
++ if (error)
++ goto out_trans_end;
++ gfs2_trans_add_bh(ip->i_gl, bh, 1);
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ gfs2_get_inode_flags(inode);
++ gfs2_dinode_out(ip, bh->b_data);
++ brelse(bh);
++ gfs2_set_aops(inode);
++out_trans_end:
++ gfs2_trans_end(sdp);
++out:
++ gfs2_glock_dq_uninit(&gh);
++ return error;
++}
++
+ static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ switch(cmd) {
+diff -NurpP --minimal linux-3.7.10/fs/gfs2/inode.h linux-3.7.10-vs2.3.5.6/fs/gfs2/inode.h
+--- linux-3.7.10/fs/gfs2/inode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/gfs2/inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -117,6 +117,7 @@ extern const struct file_operations gfs2
+ extern const struct file_operations gfs2_dir_fops_nolock;
+
+ extern void gfs2_set_inode_flags(struct inode *inode);
++extern int gfs2_sync_flags(struct inode *inode, int flags, int vflags);
+
+ #ifdef CONFIG_GFS2_FS_LOCKING_DLM
+ extern const struct file_operations gfs2_file_fops;
+diff -NurpP --minimal linux-3.7.10/fs/hostfs/hostfs.h linux-3.7.10-vs2.3.5.6/fs/hostfs/hostfs.h
+--- linux-3.7.10/fs/hostfs/hostfs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/hostfs/hostfs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -42,6 +42,7 @@ struct hostfs_iattr {
+ unsigned short ia_mode;
+ uid_t ia_uid;
+ gid_t ia_gid;
++ tag_t ia_tag;
+ loff_t ia_size;
+ struct timespec ia_atime;
+ struct timespec ia_mtime;
+diff -NurpP --minimal linux-3.7.10/fs/inode.c linux-3.7.10-vs2.3.5.6/fs/inode.c
+--- linux-3.7.10/fs/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -17,6 +17,7 @@
+ #include <linux/prefetch.h>
+ #include <linux/buffer_head.h> /* for inode_has_buffers */
+ #include <linux/ratelimit.h>
++#include <linux/vs_tag.h>
+ #include "internal.h"
+
+ /*
+@@ -128,6 +129,8 @@ int inode_init_always(struct super_block
+ struct address_space *const mapping = &inode->i_data;
+
+ inode->i_sb = sb;
++
++ /* essential because of inode slab reuse */
+ inode->i_blkbits = sb->s_blocksize_bits;
+ inode->i_flags = 0;
+ atomic_set(&inode->i_count, 1);
+@@ -137,6 +140,7 @@ int inode_init_always(struct super_block
+ inode->i_opflags = 0;
+ i_uid_write(inode, 0);
+ i_gid_write(inode, 0);
++ i_tag_write(inode, 0);
+ atomic_set(&inode->i_writecount, 0);
+ inode->i_size = 0;
+ inode->i_blocks = 0;
+@@ -149,6 +153,7 @@ int inode_init_always(struct super_block
+ inode->i_bdev = NULL;
+ inode->i_cdev = NULL;
+ inode->i_rdev = 0;
++ inode->i_mdev = 0;
+ inode->dirtied_when = 0;
+
+ if (security_inode_alloc(inode))
+@@ -483,6 +488,8 @@ void __insert_inode_hash(struct inode *i
+ }
+ EXPORT_SYMBOL(__insert_inode_hash);
+
++EXPORT_SYMBOL_GPL(__iget);
++
+ /**
+ * __remove_inode_hash - remove an inode from the hash
+ * @inode: inode to unhash
+@@ -1804,9 +1811,11 @@ void init_special_inode(struct inode *in
+ if (S_ISCHR(mode)) {
+ inode->i_fop = &def_chr_fops;
+ inode->i_rdev = rdev;
++ inode->i_mdev = rdev;
+ } else if (S_ISBLK(mode)) {
+ inode->i_fop = &def_blk_fops;
+ inode->i_rdev = rdev;
++ inode->i_mdev = rdev;
+ } else if (S_ISFIFO(mode))
+ inode->i_fop = &def_fifo_fops;
+ else if (S_ISSOCK(mode))
+@@ -1835,6 +1844,7 @@ void inode_init_owner(struct inode *inod
+ } else
+ inode->i_gid = current_fsgid();
+ inode->i_mode = mode;
++ inode->i_tag = dx_current_fstag(inode->i_sb);
+ }
+ EXPORT_SYMBOL(inode_init_owner);
+
+diff -NurpP --minimal linux-3.7.10/fs/ioctl.c linux-3.7.10-vs2.3.5.6/fs/ioctl.c
+--- linux-3.7.10/fs/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -15,6 +15,9 @@
+ #include <linux/writeback.h>
+ #include <linux/buffer_head.h>
+ #include <linux/falloc.h>
++#include <linux/proc_fs.h>
++#include <linux/vserver/inode.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/ioctls.h>
+
+diff -NurpP --minimal linux-3.7.10/fs/ioprio.c linux-3.7.10-vs2.3.5.6/fs/ioprio.c
+--- linux-3.7.10/fs/ioprio.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ioprio.c 2012-12-18 15:13:16.000000000 +0000
+@@ -28,6 +28,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/security.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vs_base.h>
+
+ int set_task_ioprio(struct task_struct *task, int ioprio)
+ {
+@@ -105,6 +106,8 @@ SYSCALL_DEFINE3(ioprio_set, int, which,
+ else
+ pgrp = find_vpid(who);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ ret = set_task_ioprio(p, ioprio);
+ if (ret)
+ break;
+@@ -198,6 +201,8 @@ SYSCALL_DEFINE2(ioprio_get, int, which,
+ else
+ pgrp = find_vpid(who);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ tmpio = get_task_ioprio(p);
+ if (tmpio < 0)
+ continue;
+diff -NurpP --minimal linux-3.7.10/fs/jfs/file.c linux-3.7.10-vs2.3.5.6/fs/jfs/file.c
+--- linux-3.7.10/fs/jfs/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -109,7 +109,8 @@ int jfs_setattr(struct dentry *dentry, s
+ if (is_quota_modification(inode, iattr))
+ dquot_initialize(inode);
+ if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
+- (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
++ (iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid)) ||
++ (iattr->ia_valid & ATTR_TAG && !tag_eq(iattr->ia_tag, inode->i_tag))) {
+ rc = dquot_transfer(inode, iattr);
+ if (rc)
+ return rc;
+@@ -142,6 +143,7 @@ const struct inode_operations jfs_file_i
+ #ifdef CONFIG_JFS_POSIX_ACL
+ .get_acl = jfs_get_acl,
+ #endif
++ .sync_flags = jfs_sync_flags,
+ };
+
+ const struct file_operations jfs_file_operations = {
+diff -NurpP --minimal linux-3.7.10/fs/jfs/ioctl.c linux-3.7.10-vs2.3.5.6/fs/jfs/ioctl.c
+--- linux-3.7.10/fs/jfs/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -12,6 +12,7 @@
+ #include <linux/time.h>
+ #include <linux/sched.h>
+ #include <linux/blkdev.h>
++#include <linux/mount.h>
+ #include <asm/current.h>
+ #include <asm/uaccess.h>
+
+@@ -56,6 +57,16 @@ static long jfs_map_ext2(unsigned long f
+ }
+
+
++int jfs_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ jfs_get_inode_flags(JFS_IP(inode));
++ inode->i_ctime = CURRENT_TIME_SEC;
++ mark_inode_dirty(inode);
++ return 0;
++}
++
+ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_dentry->d_inode;
+@@ -89,6 +100,11 @@ long jfs_ioctl(struct file *filp, unsign
+ if (!S_ISDIR(inode->i_mode))
+ flags &= ~JFS_DIRSYNC_FL;
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -EACCES;
++ }
++
+ /* Is it quota file? Do not allow user to mess with it */
+ if (IS_NOQUOTA(inode)) {
+ err = -EPERM;
+@@ -106,8 +122,8 @@ long jfs_ioctl(struct file *filp, unsign
+ * the relevant capability.
+ */
+ if ((oldflags & JFS_IMMUTABLE_FL) ||
+- ((flags ^ oldflags) &
+- (JFS_APPEND_FL | JFS_IMMUTABLE_FL))) {
++ ((flags ^ oldflags) & (JFS_APPEND_FL |
++ JFS_IMMUTABLE_FL | JFS_IXUNLINK_FL))) {
+ if (!capable(CAP_LINUX_IMMUTABLE)) {
+ mutex_unlock(&inode->i_mutex);
+ err = -EPERM;
+@@ -115,7 +131,7 @@ long jfs_ioctl(struct file *filp, unsign
+ }
+ }
+
+- flags = flags & JFS_FL_USER_MODIFIABLE;
++ flags &= JFS_FL_USER_MODIFIABLE;
+ flags |= oldflags & ~JFS_FL_USER_MODIFIABLE;
+ jfs_inode->mode2 = flags;
+
+diff -NurpP --minimal linux-3.7.10/fs/jfs/jfs_dinode.h linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_dinode.h
+--- linux-3.7.10/fs/jfs/jfs_dinode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_dinode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -161,9 +161,13 @@ struct dinode {
+
+ #define JFS_APPEND_FL 0x01000000 /* writes to file may only append */
+ #define JFS_IMMUTABLE_FL 0x02000000 /* Immutable file */
++#define JFS_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+
+-#define JFS_FL_USER_VISIBLE 0x03F80000
+-#define JFS_FL_USER_MODIFIABLE 0x03F80000
++#define JFS_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define JFS_COW_FL 0x20000000 /* Copy on Write marker */
++
++#define JFS_FL_USER_VISIBLE 0x07F80000
++#define JFS_FL_USER_MODIFIABLE 0x07F80000
+ #define JFS_FL_INHERIT 0x03C80000
+
+ /* These are identical to EXT[23]_IOC_GETFLAGS/SETFLAGS */
+diff -NurpP --minimal linux-3.7.10/fs/jfs/jfs_filsys.h linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_filsys.h
+--- linux-3.7.10/fs/jfs/jfs_filsys.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_filsys.h 2012-12-18 15:13:16.000000000 +0000
+@@ -266,6 +266,7 @@
+ #define JFS_NAME_MAX 255
+ #define JFS_PATH_MAX BPSIZE
+
++#define JFS_TAGGED 0x00800000 /* Context Tagging */
+
+ /*
+ * file system state (superblock state)
+diff -NurpP --minimal linux-3.7.10/fs/jfs/jfs_imap.c linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_imap.c
+--- linux-3.7.10/fs/jfs/jfs_imap.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_imap.c 2012-12-18 15:13:16.000000000 +0000
+@@ -46,6 +46,7 @@
+ #include <linux/pagemap.h>
+ #include <linux/quotaops.h>
+ #include <linux/slab.h>
++#include <linux/vs_tag.h>
+
+ #include "jfs_incore.h"
+ #include "jfs_inode.h"
+@@ -3058,6 +3059,8 @@ static int copy_from_dinode(struct dinod
+ {
+ struct jfs_inode_info *jfs_ip = JFS_IP(ip);
+ struct jfs_sb_info *sbi = JFS_SBI(ip->i_sb);
++ kuid_t uid;
++ kgid_t gid;
+
+ jfs_ip->fileset = le32_to_cpu(dip->di_fileset);
+ jfs_ip->mode2 = le32_to_cpu(dip->di_mode);
+@@ -3078,14 +3081,19 @@ static int copy_from_dinode(struct dinod
+ }
+ set_nlink(ip, le32_to_cpu(dip->di_nlink));
+
+- jfs_ip->saved_uid = make_kuid(&init_user_ns, le32_to_cpu(dip->di_uid));
++ uid = make_kuid(&init_user_ns, le32_to_cpu(dip->di_uid));
++ gid = make_kgid(&init_user_ns, le32_to_cpu(dip->di_gid));
++ ip->i_tag = make_ktag(&init_user_ns,
++ INOTAG_TAG(DX_TAG(ip), uid, gid, 0));
++
++ jfs_ip->saved_uid = INOTAG_UID(DX_TAG(ip), uid, gid);
+ if (!uid_valid(sbi->uid))
+ ip->i_uid = jfs_ip->saved_uid;
+ else {
+ ip->i_uid = sbi->uid;
+ }
+
+- jfs_ip->saved_gid = make_kgid(&init_user_ns, le32_to_cpu(dip->di_gid));
++ jfs_ip->saved_gid = INOTAG_GID(DX_TAG(ip), uid, gid);
+ if (!gid_valid(sbi->gid))
+ ip->i_gid = jfs_ip->saved_gid;
+ else {
+@@ -3150,16 +3158,14 @@ static void copy_to_dinode(struct dinode
+ dip->di_size = cpu_to_le64(ip->i_size);
+ dip->di_nblocks = cpu_to_le64(PBLK2LBLK(ip->i_sb, ip->i_blocks));
+ dip->di_nlink = cpu_to_le32(ip->i_nlink);
+- if (!uid_valid(sbi->uid))
+- dip->di_uid = cpu_to_le32(i_uid_read(ip));
+- else
+- dip->di_uid =cpu_to_le32(from_kuid(&init_user_ns,
+- jfs_ip->saved_uid));
+- if (!gid_valid(sbi->gid))
+- dip->di_gid = cpu_to_le32(i_gid_read(ip));
+- else
+- dip->di_gid = cpu_to_le32(from_kgid(&init_user_ns,
+- jfs_ip->saved_gid));
++ dip->di_uid = cpu_to_le32(from_kuid(&init_user_ns,
++ TAGINO_UID(DX_TAG(ip),
++ !uid_valid(sbi->uid) ? ip->i_uid : jfs_ip->saved_uid,
++ ip->i_tag)));
++ dip->di_gid = cpu_to_le32(from_kuid(&init_user_ns,
++ TAGINO_GID(DX_TAG(ip),
++ !gid_valid(sbi->gid) ? ip->i_gid : jfs_ip->saved_gid,
++ ip->i_tag)));
+ jfs_get_inode_flags(jfs_ip);
+ /*
+ * mode2 is only needed for storing the higher order bits.
+diff -NurpP --minimal linux-3.7.10/fs/jfs/jfs_inode.c linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_inode.c
+--- linux-3.7.10/fs/jfs/jfs_inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -18,6 +18,7 @@
+
+ #include <linux/fs.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+ #include "jfs_incore.h"
+ #include "jfs_inode.h"
+ #include "jfs_filsys.h"
+@@ -30,29 +31,46 @@ void jfs_set_inode_flags(struct inode *i
+ {
+ unsigned int flags = JFS_IP(inode)->mode2;
+
+- inode->i_flags &= ~(S_IMMUTABLE | S_APPEND |
+- S_NOATIME | S_DIRSYNC | S_SYNC);
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
++ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
+ if (flags & JFS_IMMUTABLE_FL)
+ inode->i_flags |= S_IMMUTABLE;
++ if (flags & JFS_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
++
++ if (flags & JFS_SYNC_FL)
++ inode->i_flags |= S_SYNC;
+ if (flags & JFS_APPEND_FL)
+ inode->i_flags |= S_APPEND;
+ if (flags & JFS_NOATIME_FL)
+ inode->i_flags |= S_NOATIME;
+ if (flags & JFS_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
+- if (flags & JFS_SYNC_FL)
+- inode->i_flags |= S_SYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & JFS_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & JFS_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ void jfs_get_inode_flags(struct jfs_inode_info *jfs_ip)
+ {
+ unsigned int flags = jfs_ip->vfs_inode.i_flags;
++ unsigned int vflags = jfs_ip->vfs_inode.i_vflags;
++
++ jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_IXUNLINK_FL |
++ JFS_APPEND_FL | JFS_NOATIME_FL |
++ JFS_DIRSYNC_FL | JFS_SYNC_FL |
++ JFS_BARRIER_FL | JFS_COW_FL);
+
+- jfs_ip->mode2 &= ~(JFS_IMMUTABLE_FL | JFS_APPEND_FL | JFS_NOATIME_FL |
+- JFS_DIRSYNC_FL | JFS_SYNC_FL);
+ if (flags & S_IMMUTABLE)
+ jfs_ip->mode2 |= JFS_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ jfs_ip->mode2 |= JFS_IXUNLINK_FL;
++
+ if (flags & S_APPEND)
+ jfs_ip->mode2 |= JFS_APPEND_FL;
+ if (flags & S_NOATIME)
+@@ -61,6 +79,11 @@ void jfs_get_inode_flags(struct jfs_inod
+ jfs_ip->mode2 |= JFS_DIRSYNC_FL;
+ if (flags & S_SYNC)
+ jfs_ip->mode2 |= JFS_SYNC_FL;
++
++ if (vflags & V_BARRIER)
++ jfs_ip->mode2 |= JFS_BARRIER_FL;
++ if (vflags & V_COW)
++ jfs_ip->mode2 |= JFS_COW_FL;
+ }
+
+ /*
+diff -NurpP --minimal linux-3.7.10/fs/jfs/jfs_inode.h linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_inode.h
+--- linux-3.7.10/fs/jfs/jfs_inode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/jfs_inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -39,6 +39,7 @@ extern struct dentry *jfs_fh_to_dentry(s
+ extern struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type);
+ extern void jfs_set_inode_flags(struct inode *);
++extern int jfs_sync_flags(struct inode *, int, int);
+ extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
+ extern int jfs_setattr(struct dentry *, struct iattr *);
+
+diff -NurpP --minimal linux-3.7.10/fs/jfs/namei.c linux-3.7.10-vs2.3.5.6/fs/jfs/namei.c
+--- linux-3.7.10/fs/jfs/namei.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/namei.c 2012-12-18 15:13:16.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/ctype.h>
+ #include <linux/quotaops.h>
+ #include <linux/exportfs.h>
++#include <linux/vs_tag.h>
+ #include "jfs_incore.h"
+ #include "jfs_superblock.h"
+ #include "jfs_inode.h"
+@@ -1461,6 +1462,7 @@ static struct dentry *jfs_lookup(struct
+ jfs_err("jfs_lookup: iget failed on inum %d", (uint)inum);
+ }
+
++ dx_propagate_tag(nd, ip);
+ return d_splice_alias(ip, dentry);
+ }
+
+@@ -1525,6 +1527,7 @@ const struct inode_operations jfs_dir_in
+ #ifdef CONFIG_JFS_POSIX_ACL
+ .get_acl = jfs_get_acl,
+ #endif
++ .sync_flags = jfs_sync_flags,
+ };
+
+ const struct file_operations jfs_dir_operations = {
+diff -NurpP --minimal linux-3.7.10/fs/jfs/super.c linux-3.7.10-vs2.3.5.6/fs/jfs/super.c
+--- linux-3.7.10/fs/jfs/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/jfs/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -199,7 +199,8 @@ enum {
+ Opt_integrity, Opt_nointegrity, Opt_iocharset, Opt_resize,
+ Opt_resize_nosize, Opt_errors, Opt_ignore, Opt_err, Opt_quota,
+ Opt_usrquota, Opt_grpquota, Opt_uid, Opt_gid, Opt_umask,
+- Opt_discard, Opt_nodiscard, Opt_discard_minblk
++ Opt_discard, Opt_nodiscard, Opt_discard_minblk,
++ Opt_tag, Opt_notag, Opt_tagid
+ };
+
+ static const match_table_t tokens = {
+@@ -209,6 +210,10 @@ static const match_table_t tokens = {
+ {Opt_resize, "resize=%u"},
+ {Opt_resize_nosize, "resize"},
+ {Opt_errors, "errors=%s"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
++ {Opt_tag, "tagxid"},
+ {Opt_ignore, "noquota"},
+ {Opt_ignore, "quota"},
+ {Opt_usrquota, "usrquota"},
+@@ -385,7 +390,20 @@ static int parse_options(char *options,
+ }
+ break;
+ }
+-
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ *flag |= JFS_TAGGED;
++ break;
++ case Opt_notag:
++ *flag &= JFS_TAGGED;
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ *flag |= JFS_TAGGED;
++ break;
++#endif
+ default:
+ printk("jfs: Unrecognized mount option \"%s\" "
+ " or missing value\n", p);
+@@ -417,6 +435,12 @@ static int jfs_remount(struct super_bloc
+ return -EINVAL;
+ }
+
++ if ((flag & JFS_TAGGED) && !(sb->s_flags & MS_TAGGED)) {
++ printk(KERN_ERR "JFS: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ return -EINVAL;
++ }
++
+ if (newLVSize) {
+ if (sb->s_flags & MS_RDONLY) {
+ pr_err("JFS: resize requires volume" \
+@@ -502,6 +526,9 @@ static int jfs_fill_super(struct super_b
+ #ifdef CONFIG_JFS_POSIX_ACL
+ sb->s_flags |= MS_POSIXACL;
+ #endif
++ /* map mount option tagxid */
++ if (sbi->flag & JFS_TAGGED)
++ sb->s_flags |= MS_TAGGED;
+
+ if (newLVSize) {
+ pr_err("resize option for remount only\n");
+diff -NurpP --minimal linux-3.7.10/fs/libfs.c linux-3.7.10-vs2.3.5.6/fs/libfs.c
+--- linux-3.7.10/fs/libfs.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/libfs.c 2012-12-18 15:13:16.000000000 +0000
+@@ -135,7 +135,8 @@ static inline unsigned char dt_type(stru
+ * both impossible due to the lock on directory.
+ */
+
+-int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
++static inline int do_dcache_readdir_filter(struct file *filp,
++ void *dirent, filldir_t filldir, int (*filter)(struct dentry *dentry))
+ {
+ struct dentry *dentry = filp->f_path.dentry;
+ struct dentry *cursor = filp->private_data;
+@@ -166,6 +167,8 @@ int dcache_readdir(struct file * filp, v
+ for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
+ struct dentry *next;
+ next = list_entry(p, struct dentry, d_u.d_child);
++ if (filter && !filter(next))
++ continue;
+ spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
+ if (!simple_positive(next)) {
+ spin_unlock(&next->d_lock);
+@@ -192,6 +195,17 @@ int dcache_readdir(struct file * filp, v
+ return 0;
+ }
+
++int dcache_readdir(struct file *filp, void *dirent, filldir_t filldir)
++{
++ return do_dcache_readdir_filter(filp, dirent, filldir, NULL);
++}
++
++int dcache_readdir_filter(struct file *filp, void *dirent, filldir_t filldir,
++ int (*filter)(struct dentry *))
++{
++ return do_dcache_readdir_filter(filp, dirent, filldir, filter);
++}
++
+ ssize_t generic_read_dir(struct file *filp, char __user *buf, size_t siz, loff_t *ppos)
+ {
+ return -EISDIR;
+@@ -983,6 +997,7 @@ EXPORT_SYMBOL(dcache_dir_close);
+ EXPORT_SYMBOL(dcache_dir_lseek);
+ EXPORT_SYMBOL(dcache_dir_open);
+ EXPORT_SYMBOL(dcache_readdir);
++EXPORT_SYMBOL(dcache_readdir_filter);
+ EXPORT_SYMBOL(generic_read_dir);
+ EXPORT_SYMBOL(mount_pseudo);
+ EXPORT_SYMBOL(simple_write_begin);
+diff -NurpP --minimal linux-3.7.10/fs/locks.c linux-3.7.10-vs2.3.5.6/fs/locks.c
+--- linux-3.7.10/fs/locks.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/locks.c 2012-12-18 15:13:16.000000000 +0000
+@@ -126,6 +126,8 @@
+ #include <linux/time.h>
+ #include <linux/rcupdate.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/uaccess.h>
+
+@@ -184,11 +186,17 @@ static void locks_init_lock_heads(struct
+ /* Allocate an empty lock structure. */
+ struct file_lock *locks_alloc_lock(void)
+ {
+- struct file_lock *fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
++ struct file_lock *fl;
+
+- if (fl)
+- locks_init_lock_heads(fl);
++ if (!vx_locks_avail(1))
++ return NULL;
+
++ fl = kmem_cache_zalloc(filelock_cache, GFP_KERNEL);
++
++ if (fl) {
++ locks_init_lock_heads(fl);
++ fl->fl_xid = -1;
++ }
+ return fl;
+ }
+ EXPORT_SYMBOL_GPL(locks_alloc_lock);
+@@ -212,6 +220,7 @@ void locks_free_lock(struct file_lock *f
+ BUG_ON(!list_empty(&fl->fl_block));
+ BUG_ON(!list_empty(&fl->fl_link));
+
++ vx_locks_dec(fl);
+ locks_release_private(fl);
+ kmem_cache_free(filelock_cache, fl);
+ }
+@@ -221,6 +230,7 @@ void locks_init_lock(struct file_lock *f
+ {
+ memset(fl, 0, sizeof(struct file_lock));
+ locks_init_lock_heads(fl);
++ fl->fl_xid = -1;
+ }
+
+ EXPORT_SYMBOL(locks_init_lock);
+@@ -261,6 +271,7 @@ void locks_copy_lock(struct file_lock *n
+ new->fl_file = fl->fl_file;
+ new->fl_ops = fl->fl_ops;
+ new->fl_lmops = fl->fl_lmops;
++ new->fl_xid = fl->fl_xid;
+
+ locks_copy_private(new, fl);
+ }
+@@ -299,6 +310,11 @@ static int flock_make_lock(struct file *
+ fl->fl_flags = FL_FLOCK;
+ fl->fl_type = type;
+ fl->fl_end = OFFSET_MAX;
++
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ fl->fl_xid = filp->f_xid;
++ vx_locks_inc(fl);
+
+ *lock = fl;
+ return 0;
+@@ -438,6 +454,7 @@ static int lease_init(struct file *filp,
+
+ fl->fl_owner = current->files;
+ fl->fl_pid = current->tgid;
++ fl->fl_xid = vx_current_xid();
+
+ fl->fl_file = filp;
+ fl->fl_flags = FL_LEASE;
+@@ -457,6 +474,11 @@ static struct file_lock *lease_alloc(str
+ if (fl == NULL)
+ return ERR_PTR(error);
+
++ fl->fl_xid = vx_current_xid();
++ if (filp)
++ vxd_assert(filp->f_xid == fl->fl_xid,
++ "f_xid(%d) == fl_xid(%d)", filp->f_xid, fl->fl_xid);
++ vx_locks_inc(fl);
+ error = lease_init(filp, type, fl);
+ if (error) {
+ locks_free_lock(fl);
+@@ -753,6 +775,7 @@ static int flock_lock_file(struct file *
+ lock_flocks();
+ }
+
++ new_fl->fl_xid = -1;
+ find_conflict:
+ for_each_lock(inode, before) {
+ struct file_lock *fl = *before;
+@@ -773,6 +796,7 @@ find_conflict:
+ goto out;
+ locks_copy_lock(new_fl, request);
+ locks_insert_lock(before, new_fl);
++ vx_locks_inc(new_fl);
+ new_fl = NULL;
+ error = 0;
+
+@@ -783,7 +807,8 @@ out:
+ return error;
+ }
+
+-static int __posix_lock_file(struct inode *inode, struct file_lock *request, struct file_lock *conflock)
++static int __posix_lock_file(struct inode *inode, struct file_lock *request,
++ struct file_lock *conflock, xid_t xid)
+ {
+ struct file_lock *fl;
+ struct file_lock *new_fl = NULL;
+@@ -793,6 +818,8 @@ static int __posix_lock_file(struct inod
+ struct file_lock **before;
+ int error, added = 0;
+
++ vxd_assert(xid == vx_current_xid(),
++ "xid(%d) == current(%d)", xid, vx_current_xid());
+ /*
+ * We may need two file_lock structures for this operation,
+ * so we get them in advance to avoid races.
+@@ -803,7 +830,11 @@ static int __posix_lock_file(struct inod
+ (request->fl_type != F_UNLCK ||
+ request->fl_start != 0 || request->fl_end != OFFSET_MAX)) {
+ new_fl = locks_alloc_lock();
++ new_fl->fl_xid = xid;
++ vx_locks_inc(new_fl);
+ new_fl2 = locks_alloc_lock();
++ new_fl2->fl_xid = xid;
++ vx_locks_inc(new_fl2);
+ }
+
+ lock_flocks();
+@@ -1002,7 +1033,8 @@ static int __posix_lock_file(struct inod
+ int posix_lock_file(struct file *filp, struct file_lock *fl,
+ struct file_lock *conflock)
+ {
+- return __posix_lock_file(filp->f_path.dentry->d_inode, fl, conflock);
++ return __posix_lock_file(filp->f_path.dentry->d_inode,
++ fl, conflock, filp->f_xid);
+ }
+ EXPORT_SYMBOL(posix_lock_file);
+
+@@ -1092,7 +1124,7 @@ int locks_mandatory_area(int read_write,
+ fl.fl_end = offset + count - 1;
+
+ for (;;) {
+- error = __posix_lock_file(inode, &fl, NULL);
++ error = __posix_lock_file(inode, &fl, NULL, filp->f_xid);
+ if (error != FILE_LOCK_DEFERRED)
+ break;
+ error = wait_event_interruptible(fl.fl_wait, !fl.fl_next);
+@@ -1397,6 +1429,7 @@ int generic_add_lease(struct file *filp,
+ goto out;
+
+ locks_insert_lock(before, lease);
++ vx_locks_inc(lease);
+ return 0;
+
+ out:
+@@ -1836,6 +1869,11 @@ int fcntl_setlk(unsigned int fd, struct
+ if (file_lock == NULL)
+ return -ENOLCK;
+
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ file_lock->fl_xid = filp->f_xid;
++ vx_locks_inc(file_lock);
++
+ /*
+ * This might block, so we do it before checking the inode.
+ */
+@@ -1954,6 +1992,11 @@ int fcntl_setlk64(unsigned int fd, struc
+ if (file_lock == NULL)
+ return -ENOLCK;
+
++ vxd_assert(filp->f_xid == vx_current_xid(),
++ "f_xid(%d) == current(%d)", filp->f_xid, vx_current_xid());
++ file_lock->fl_xid = filp->f_xid;
++ vx_locks_inc(file_lock);
++
+ /*
+ * This might block, so we do it before checking the inode.
+ */
+@@ -2219,8 +2262,11 @@ static int locks_show(struct seq_file *f
+
+ lock_get_status(f, fl, *((loff_t *)f->private), "");
+
+- list_for_each_entry(bfl, &fl->fl_block, fl_block)
++ list_for_each_entry(bfl, &fl->fl_block, fl_block) {
++ if (!vx_check(fl->fl_xid, VS_WATCH_P | VS_IDENT))
++ continue;
+ lock_get_status(f, bfl, *((loff_t *)f->private), " ->");
++ }
+
+ return 0;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/mount.h linux-3.7.10-vs2.3.5.6/fs/mount.h
+--- linux-3.7.10/fs/mount.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/mount.h 2012-12-18 15:13:16.000000000 +0000
+@@ -46,6 +46,7 @@ struct mount {
+ int mnt_expiry_mark; /* true if marked for expiry */
+ int mnt_pinned;
+ int mnt_ghosts;
++ tag_t mnt_tag; /* tagging used for vfsmount */
+ };
+
+ #define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */
+diff -NurpP --minimal linux-3.7.10/fs/namei.c linux-3.7.10-vs2.3.5.6/fs/namei.c
+--- linux-3.7.10/fs/namei.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/namei.c 2012-12-18 15:13:16.000000000 +0000
+@@ -34,6 +34,14 @@
+ #include <linux/device_cgroup.h>
+ #include <linux/fs_struct.h>
+ #include <linux/posix_acl.h>
++#include <linux/proc_fs.h>
++#include <linux/vserver/inode.h>
++#include <linux/vs_base.h>
++#include <linux/vs_tag.h>
++#include <linux/vs_cowbl.h>
++#include <linux/vs_device.h>
++#include <linux/vs_context.h>
++#include <linux/pid_namespace.h>
+ #include <asm/uaccess.h>
+
+ #include "internal.h"
+@@ -266,6 +274,89 @@ static int check_acl(struct inode *inode
+ return -EAGAIN;
+ }
+
++static inline int dx_barrier(const struct inode *inode)
++{
++ if (IS_BARRIER(inode) && !vx_check(0, VS_ADMIN | VS_WATCH)) {
++ vxwprintk_task(1, "did hit the barrier.");
++ return 1;
++ }
++ return 0;
++}
++
++static int __dx_permission(const struct inode *inode, int mask)
++{
++ if (dx_barrier(inode))
++ return -EACCES;
++
++ if (inode->i_sb->s_magic == DEVPTS_SUPER_MAGIC) {
++ /* devpts is xid tagged */
++ if (S_ISDIR(inode->i_mode) ||
++ vx_check((xid_t)i_tag_read(inode), VS_IDENT | VS_WATCH_P))
++ return 0;
++
++ /* just pretend we didn't find anything */
++ return -ENOENT;
++ }
++ else if (inode->i_sb->s_magic == PROC_SUPER_MAGIC) {
++ struct proc_dir_entry *de = PDE(inode);
++
++ if (de && !vx_hide_check(0, de->vx_flags))
++ goto out;
++
++ if ((mask & (MAY_WRITE | MAY_APPEND))) {
++ struct pid *pid;
++ struct task_struct *tsk;
++
++ if (vx_check(0, VS_ADMIN | VS_WATCH_P) ||
++ vx_flags(VXF_STATE_SETUP, 0))
++ return 0;
++
++ pid = PROC_I(inode)->pid;
++ if (!pid)
++ goto out;
++
++ rcu_read_lock();
++ tsk = pid_task(pid, PIDTYPE_PID);
++ vxdprintk(VXD_CBIT(tag, 0), "accessing %p[#%u]",
++ tsk, (tsk ? vx_task_xid(tsk) : 0));
++ if (tsk &&
++ vx_check(vx_task_xid(tsk), VS_IDENT | VS_WATCH_P)) {
++ rcu_read_unlock();
++ return 0;
++ }
++ rcu_read_unlock();
++ }
++ else {
++ /* FIXME: Should we block some entries here? */
++ return 0;
++ }
++ }
++ else {
++ if (dx_notagcheck(inode->i_sb) ||
++ dx_check((xid_t)i_tag_read(inode),
++ DX_HOSTID | DX_ADMIN | DX_WATCH | DX_IDENT))
++ return 0;
++ }
++
++out:
++ return -EACCES;
++}
++
++int dx_permission(const struct inode *inode, int mask)
++{
++ int ret = __dx_permission(inode, mask);
++ if (unlikely(ret)) {
++#ifndef CONFIG_VSERVER_WARN_DEVPTS
++ if (inode->i_sb->s_magic != DEVPTS_SUPER_MAGIC)
++#endif
++ vxwprintk_task(1,
++ "denied [0x%x] access to inode %s:%p[#%d,%lu]",
++ mask, inode->i_sb->s_id, inode, inode->i_tag,
++ inode->i_ino);
++ }
++ return ret;
++}
++
+ /*
+ * This does the basic permission checking
+ */
+@@ -388,10 +479,14 @@ int __inode_permission(struct inode *ino
+ /*
+ * Nobody gets write access to an immutable file.
+ */
+- if (IS_IMMUTABLE(inode))
++ if (IS_IMMUTABLE(inode) && !IS_COW(inode))
+ return -EACCES;
+ }
+
++ retval = dx_permission(inode, mask);
++ if (retval)
++ return retval;
++
+ retval = do_inode_permission(inode, mask);
+ if (retval)
+ return retval;
+@@ -1244,7 +1339,8 @@ static void follow_dotdot(struct nameida
+
+ if (nd->path.dentry == nd->root.dentry &&
+ nd->path.mnt == nd->root.mnt) {
+- break;
++ /* for sane '/' avoid follow_mount() */
++ return;
+ }
+ if (nd->path.dentry != nd->path.mnt->mnt_root) {
+ /* rare case of legitimate dget_parent()... */
+@@ -1393,6 +1489,9 @@ static int lookup_fast(struct nameidata
+ goto unlazy;
+ }
+ }
++
++ /* FIXME: check dx permission */
++
+ path->mnt = mnt;
+ path->dentry = dentry;
+ if (unlikely(!__follow_mount_rcu(nd, path, inode)))
+@@ -1428,6 +1527,8 @@ unlazy:
+ }
+ }
+
++ /* FIXME: check dx permission */
++
+ path->mnt = mnt;
+ path->dentry = dentry;
+ err = follow_managed(path, nd->flags);
+@@ -2258,7 +2359,7 @@ static int may_delete(struct inode *dir,
+ if (IS_APPEND(dir))
+ return -EPERM;
+ if (check_sticky(dir, victim->d_inode)||IS_APPEND(victim->d_inode)||
+- IS_IMMUTABLE(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
++ IS_IXORUNLINK(victim->d_inode) || IS_SWAPFILE(victim->d_inode))
+ return -EPERM;
+ if (isdir) {
+ if (!S_ISDIR(victim->d_inode->i_mode))
+@@ -2337,19 +2438,25 @@ int vfs_create(struct inode *dir, struct
+ bool want_excl)
+ {
+ int error = may_create(dir, dentry);
+- if (error)
++ if (error) {
++ vxdprintk(VXD_CBIT(misc, 3), "may_create failed with %d", error);
+ return error;
++ }
+
+ if (!dir->i_op->create)
+ return -EACCES; /* shouldn't it be ENOSYS? */
+ mode &= S_IALLUGO;
+ mode |= S_IFREG;
+ error = security_inode_create(dir, dentry, mode);
+- if (error)
++ if (error) {
++ vxdprintk(VXD_CBIT(misc, 3), "security_inode_create failed with %d", error);
+ return error;
++ }
+ error = dir->i_op->create(dir, dentry, mode, want_excl);
+ if (!error)
+ fsnotify_create(dir, dentry);
++ else
++ vxdprintk(VXD_CBIT(misc, 3), "i_op->create failed with %d", error);
+ return error;
+ }
+
+@@ -2384,6 +2491,15 @@ static int may_open(struct path *path, i
+ break;
+ }
+
++#ifdef CONFIG_VSERVER_COWBL
++ if (IS_COW(inode) &&
++ ((flag & O_ACCMODE) != O_RDONLY)) {
++ if (IS_COW_LINK(inode))
++ return -EMLINK;
++ inode->i_flags &= ~(S_IXUNLINK|S_IMMUTABLE);
++ mark_inode_dirty(inode);
++ }
++#endif
+ error = inode_permission(inode, acc_mode);
+ if (error)
+ return error;
+@@ -2886,6 +3002,16 @@ finish_open:
+ }
+ finish_open_created:
+ error = may_open(&nd->path, acc_mode, open_flag);
++#ifdef CONFIG_VSERVER_COWBL
++ if (error == -EMLINK) {
++ struct dentry *dentry;
++ dentry = cow_break_link(name->name);
++ if (IS_ERR(dentry))
++ error = PTR_ERR(dentry);
++ else
++ dput(dentry);
++ }
++#endif
+ if (error)
+ goto out;
+ file->f_path.mnt = nd->path.mnt;
+@@ -2950,6 +3076,7 @@ static struct file *path_openat(int dfd,
+ int opened = 0;
+ int error;
+
++restart:
+ file = get_empty_filp();
+ if (!file)
+ return ERR_PTR(-ENFILE);
+@@ -2986,6 +3113,16 @@ static struct file *path_openat(int dfd,
+ error = do_last(nd, &path, file, op, &opened, pathname);
+ put_link(nd, &link, cookie);
+ }
++
++#ifdef CONFIG_VSERVER_COWBL
++ if (error == -EMLINK) {
++ if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT))
++ path_put(&nd->root);
++ if (base)
++ fput(base);
++ goto restart;
++ }
++#endif
+ out:
+ if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT))
+ path_put(&nd->root);
+@@ -3090,6 +3227,11 @@ struct dentry *kern_path_create(int dfd,
+ goto fail;
+ }
+ *path = nd.path;
++ vxdprintk(VXD_CBIT(misc, 3), "kern_path_create path.dentry = %p (%.*s), dentry = %p (%.*s), d_inode = %p",
++ path->dentry, path->dentry->d_name.len,
++ path->dentry->d_name.name, dentry,
++ dentry->d_name.len, dentry->d_name.name,
++ path->dentry->d_inode);
+ return dentry;
+ fail:
+ dput(dentry);
+@@ -3556,7 +3698,7 @@ int vfs_link(struct dentry *old_dentry,
+ /*
+ * A link to an append-only or immutable file cannot be created.
+ */
+- if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
++ if (IS_APPEND(inode) || IS_IXORUNLINK(inode))
+ return -EPERM;
+ if (!dir->i_op->link)
+ return -EPERM;
+@@ -3945,6 +4087,275 @@ int vfs_follow_link(struct nameidata *nd
+ return __vfs_follow_link(nd, link);
+ }
+
++
++#ifdef CONFIG_VSERVER_COWBL
++
++static inline
++long do_cow_splice(struct file *in, struct file *out, size_t len)
++{
++ loff_t ppos = 0;
++
++ return do_splice_direct(in, &ppos, out, len, 0);
++}
++
++struct dentry *cow_break_link(const char *pathname)
++{
++ int ret, mode, pathlen, redo = 0;
++ struct nameidata old_nd, dir_nd;
++ struct path dir_path, *old_path, *new_path;
++ struct dentry *dir, *old_dentry, *new_dentry = NULL;
++ struct file *old_file;
++ struct file *new_file;
++ char *to, *path, pad='\251';
++ loff_t size;
++
++ vxdprintk(VXD_CBIT(misc, 1),
++ "cow_break_link(" VS_Q("%s") ")", pathname);
++
++ path = kmalloc(PATH_MAX, GFP_KERNEL);
++ ret = -ENOMEM;
++ if (!path)
++ goto out;
++
++ /* old_nd.path will have refs to dentry and mnt */
++ ret = do_path_lookup(AT_FDCWD, pathname, LOOKUP_FOLLOW, &old_nd);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "do_path_lookup(old): %d", ret);
++ if (ret < 0)
++ goto out_free_path;
++
++ /* dentry/mnt refs handed over to old_path */
++ old_path = &old_nd.path;
++ /* no explicit reference for old_dentry here */
++ old_dentry = old_path->dentry;
++
++ mode = old_dentry->d_inode->i_mode;
++ to = d_path(old_path, path, PATH_MAX-2);
++ pathlen = strlen(to);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "old path " VS_Q("%s") " [%p:" VS_Q("%.*s") ":%d]", to,
++ old_dentry,
++ old_dentry->d_name.len, old_dentry->d_name.name,
++ old_dentry->d_name.len);
++
++ to[pathlen + 1] = 0;
++retry:
++ new_dentry = NULL;
++ to[pathlen] = pad--;
++ ret = -ELOOP;
++ if (pad <= '\240')
++ goto out_rel_old;
++
++ vxdprintk(VXD_CBIT(misc, 1), "temp copy " VS_Q("%s"), to);
++
++ /* dir_nd.path will have refs to dentry and mnt */
++ ret = do_path_lookup(AT_FDCWD, to,
++ LOOKUP_PARENT | LOOKUP_OPEN | LOOKUP_CREATE, &dir_nd);
++ vxdprintk(VXD_CBIT(misc, 2), "do_path_lookup(new): %d", ret);
++ if (ret < 0)
++ goto retry;
++
++ /* this puppy downs the dir inode mutex if successful.
++ dir_path will hold refs to dentry and mnt and
++ we'll have get write access to the mnt */
++ new_dentry = kern_path_create(AT_FDCWD, to, &dir_path, 0);
++ if (!new_dentry || IS_ERR(new_dentry)) {
++ path_put(&dir_nd.path);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "kern_path_create(new) failed with %ld",
++ PTR_ERR(new_dentry));
++ goto retry;
++ }
++ vxdprintk(VXD_CBIT(misc, 2),
++ "kern_path_create(new): %p [" VS_Q("%.*s") ":%d]",
++ new_dentry,
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len);
++
++ /* take a reference on new_dentry */
++ dget(new_dentry);
++
++ /* dentry/mnt refs handed over to new_path */
++ new_path = &dir_path;
++
++ /* dentry for old/new dir */
++ dir = dir_nd.path.dentry;
++
++ /* give up reference on dir */
++ dput(new_path->dentry);
++
++ /* new_dentry already has a reference */
++ new_path->dentry = new_dentry;
++
++ ret = vfs_create(dir->d_inode, new_dentry, mode, 1);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "vfs_create(new): %d", ret);
++ if (ret == -EEXIST) {
++ mutex_unlock(&dir->d_inode->i_mutex);
++ path_put(&dir_nd.path);
++ mnt_drop_write(new_path->mnt);
++ path_put(new_path);
++ new_dentry = NULL;
++ goto retry;
++ }
++ else if (ret < 0)
++ goto out_unlock_new;
++
++ /* drop out early, ret passes ENOENT */
++ ret = -ENOENT;
++ if ((redo = d_unhashed(old_dentry)))
++ goto out_unlock_new;
++
++ /* doesn't change refs for old_path */
++ old_file = dentry_open(old_path, O_RDONLY, current_cred());
++ vxdprintk(VXD_CBIT(misc, 2),
++ "dentry_open(old): %p", old_file);
++ if (IS_ERR(old_file)) {
++ ret = PTR_ERR(old_file);
++ goto out_unlock_new;
++ }
++
++ /* doesn't change refs for new_path */
++ new_file = dentry_open(new_path, O_WRONLY, current_cred());
++ vxdprintk(VXD_CBIT(misc, 2),
++ "dentry_open(new): %p", new_file);
++ if (IS_ERR(new_file)) {
++ ret = PTR_ERR(new_file);
++ goto out_fput_old;
++ }
++
++ size = i_size_read(old_file->f_dentry->d_inode);
++ ret = do_cow_splice(old_file, new_file, size);
++ vxdprintk(VXD_CBIT(misc, 2), "do_splice_direct: %d", ret);
++ if (ret < 0) {
++ goto out_fput_both;
++ } else if (ret < size) {
++ ret = -ENOSPC;
++ goto out_fput_both;
++ } else {
++ struct inode *old_inode = old_dentry->d_inode;
++ struct inode *new_inode = new_dentry->d_inode;
++ struct iattr attr = {
++ .ia_uid = old_inode->i_uid,
++ .ia_gid = old_inode->i_gid,
++ .ia_valid = ATTR_UID | ATTR_GID
++ };
++
++ setattr_copy(new_inode, &attr);
++ mark_inode_dirty(new_inode);
++ }
++
++ /* lock rename mutex */
++ mutex_lock(&old_dentry->d_inode->i_sb->s_vfs_rename_mutex);
++
++ /* drop out late */
++ ret = -ENOENT;
++ if ((redo = d_unhashed(old_dentry)))
++ goto out_unlock;
++
++ vxdprintk(VXD_CBIT(misc, 2),
++ "vfs_rename: [" VS_Q("%*s") ":%d] -> [" VS_Q("%*s") ":%d]",
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len,
++ old_dentry->d_name.len, old_dentry->d_name.name,
++ old_dentry->d_name.len);
++ ret = vfs_rename(dir_nd.path.dentry->d_inode, new_dentry,
++ old_dentry->d_parent->d_inode, old_dentry);
++ vxdprintk(VXD_CBIT(misc, 2), "vfs_rename: %d", ret);
++
++out_unlock:
++ mutex_unlock(&old_dentry->d_inode->i_sb->s_vfs_rename_mutex);
++
++out_fput_both:
++ vxdprintk(VXD_CBIT(misc, 3),
++ "fput(new_file=%p[#%ld])", new_file,
++ atomic_long_read(&new_file->f_count));
++ fput(new_file);
++
++out_fput_old:
++ vxdprintk(VXD_CBIT(misc, 3),
++ "fput(old_file=%p[#%ld])", old_file,
++ atomic_long_read(&old_file->f_count));
++ fput(old_file);
++
++out_unlock_new:
++ /* drop references from dir_nd.path */
++ path_put(&dir_nd.path);
++
++ /* drop write access to mnt */
++ mnt_drop_write(new_path->mnt);
++
++ /* unlock the inode mutex from kern_path_create() */
++ mutex_unlock(&dir->d_inode->i_mutex);
++ if (!ret)
++ goto out_redo;
++
++ /* error path cleanup */
++ vfs_unlink(dir->d_inode, new_dentry);
++
++out_redo:
++ if (!redo)
++ goto out_rel_both;
++
++ /* lookup dentry once again
++ old_nd.path will be freed as old_path in out_rel_old */
++ ret = do_path_lookup(AT_FDCWD, pathname, LOOKUP_FOLLOW, &old_nd);
++ if (ret)
++ goto out_rel_both;
++
++ /* drop reference on new_dentry */
++ dput(new_dentry);
++ new_dentry = old_path->dentry;
++ dget(new_dentry);
++ vxdprintk(VXD_CBIT(misc, 2),
++ "do_path_lookup(redo): %p [" VS_Q("%.*s") ":%d]",
++ new_dentry,
++ new_dentry->d_name.len, new_dentry->d_name.name,
++ new_dentry->d_name.len);
++
++out_rel_both:
++ if (new_path)
++ path_put(new_path);
++out_rel_old:
++ path_put(old_path);
++out_free_path:
++ kfree(path);
++out:
++ if (ret) {
++ dput(new_dentry);
++ new_dentry = ERR_PTR(ret);
++ }
++ vxdprintk(VXD_CBIT(misc, 3),
++ "cow_break_link returning with %p", new_dentry);
++ return new_dentry;
++}
++
++#endif
++
++int vx_info_mnt_namespace(struct mnt_namespace *ns, char *buffer)
++{
++ struct path path;
++ struct vfsmount *vmnt;
++ char *pstr, *root;
++ int length = 0;
++
++ pstr = kmalloc(PATH_MAX, GFP_KERNEL);
++ if (!pstr)
++ return 0;
++
++ vmnt = &ns->root->mnt;
++ path.mnt = vmnt;
++ path.dentry = vmnt->mnt_root;
++ root = d_path(&path, pstr, PATH_MAX - 2);
++ length = sprintf(buffer + length,
++ "Namespace:\t%p [#%u]\n"
++ "RootPath:\t%s\n",
++ ns, atomic_read(&ns->count),
++ root);
++ kfree(pstr);
++ return length;
++}
++
+ /* get the link contents into pagecache */
+ static char *page_getlink(struct dentry * dentry, struct page **ppage)
+ {
+@@ -4068,3 +4479,4 @@ EXPORT_SYMBOL(vfs_symlink);
+ EXPORT_SYMBOL(vfs_unlink);
+ EXPORT_SYMBOL(dentry_unhash);
+ EXPORT_SYMBOL(generic_readlink);
++EXPORT_SYMBOL(vx_info_mnt_namespace);
+diff -NurpP --minimal linux-3.7.10/fs/namespace.c linux-3.7.10-vs2.3.5.6/fs/namespace.c
+--- linux-3.7.10/fs/namespace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/namespace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -20,6 +20,11 @@
+ #include <linux/fs_struct.h> /* get_fs_root et.al. */
+ #include <linux/fsnotify.h> /* fsnotify_vfsmount_delete */
+ #include <linux/uaccess.h>
++#include <linux/vs_base.h>
++#include <linux/vs_context.h>
++#include <linux/vs_tag.h>
++#include <linux/vserver/space.h>
++#include <linux/vserver/global.h>
+ #include "pnode.h"
+ #include "internal.h"
+
+@@ -749,6 +754,10 @@ vfs_kern_mount(struct file_system_type *
+ if (!type)
+ return ERR_PTR(-ENODEV);
+
++ if ((type->fs_flags & FS_BINARY_MOUNTDATA) &&
++ !vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT))
++ return ERR_PTR(-EPERM);
++
+ mnt = alloc_vfsmnt(name);
+ if (!mnt)
+ return ERR_PTR(-ENOMEM);
+@@ -801,6 +810,7 @@ static struct mount *clone_mnt(struct mo
+ mnt->mnt.mnt_root = dget(root);
+ mnt->mnt_mountpoint = mnt->mnt.mnt_root;
+ mnt->mnt_parent = mnt;
++ mnt->mnt_tag = old->mnt_tag;
+ br_write_lock(&vfsmount_lock);
+ list_add_tail(&mnt->mnt_instance, &sb->s_mounts);
+ br_write_unlock(&vfsmount_lock);
+@@ -1266,7 +1276,7 @@ SYSCALL_DEFINE2(umount, char __user *, n
+ goto dput_and_out;
+
+ retval = -EPERM;
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ goto dput_and_out;
+
+ retval = do_umount(mnt, flags);
+@@ -1292,7 +1302,7 @@ SYSCALL_DEFINE1(oldumount, char __user *
+
+ static int mount_is_safe(struct path *path)
+ {
+- if (capable(CAP_SYS_ADMIN))
++ if (vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return 0;
+ return -EPERM;
+ #ifdef notyet
+@@ -1610,7 +1620,7 @@ static int do_change_type(struct path *p
+ int type;
+ int err = 0;
+
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_NAMESPACE))
+ return -EPERM;
+
+ if (path->dentry != path->mnt->mnt_root)
+@@ -1626,6 +1636,7 @@ static int do_change_type(struct path *p
+ if (err)
+ goto out_unlock;
+ }
++ // mnt->mnt_flags = mnt_flags;
+
+ br_write_lock(&vfsmount_lock);
+ for (m = mnt; m; m = (recurse ? next_mnt(m, mnt) : NULL))
+@@ -1641,12 +1652,14 @@ static int do_change_type(struct path *p
+ * do loopback mount.
+ */
+ static int do_loopback(struct path *path, const char *old_name,
+- int recurse)
++ tag_t tag, unsigned long flags, int mnt_flags)
+ {
+ LIST_HEAD(umount_list);
+ struct path old_path;
+ struct mount *mnt = NULL, *old;
+ int err = mount_is_safe(path);
++ int recurse = flags & MS_REC;
++
+ if (err)
+ return err;
+ if (!old_name || !*old_name)
+@@ -1715,13 +1728,13 @@ static int change_mount_flags(struct vfs
+ * on it - tough luck.
+ */
+ static int do_remount(struct path *path, int flags, int mnt_flags,
+- void *data)
++ void *data, xid_t xid)
+ {
+ int err;
+ struct super_block *sb = path->mnt->mnt_sb;
+ struct mount *mnt = real_mount(path->mnt);
+
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_REMOUNT))
+ return -EPERM;
+
+ if (!check_mnt(mnt))
+@@ -1770,7 +1783,7 @@ static int do_move_mount(struct path *pa
+ struct mount *p;
+ struct mount *old;
+ int err = 0;
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return -EPERM;
+ if (!old_name || !*old_name)
+ return -EINVAL;
+@@ -1927,7 +1940,7 @@ static int do_new_mount(struct path *pat
+ return -EINVAL;
+
+ /* we need capabilities... */
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_SECURE_MOUNT))
+ return -EPERM;
+
+ mnt = do_kern_mount(type, flags, name, data);
+@@ -2197,6 +2210,7 @@ long do_mount(const char *dev_name, cons
+ struct path path;
+ int retval = 0;
+ int mnt_flags = 0;
++ tag_t tag = 0;
+
+ /* Discard magic */
+ if ((flags & MS_MGC_MSK) == MS_MGC_VAL)
+@@ -2224,6 +2238,12 @@ long do_mount(const char *dev_name, cons
+ if (!(flags & MS_NOATIME))
+ mnt_flags |= MNT_RELATIME;
+
++ if (dx_parse_tag(data_page, &tag, 1, &mnt_flags, &flags)) {
++ /* FIXME: bind and re-mounts get the tag flag? */
++ if (flags & (MS_BIND|MS_REMOUNT))
++ flags |= MS_TAGID;
++ }
++
+ /* Separate the per-mountpoint flags */
+ if (flags & MS_NOSUID)
+ mnt_flags |= MNT_NOSUID;
+@@ -2240,15 +2260,17 @@ long do_mount(const char *dev_name, cons
+ if (flags & MS_RDONLY)
+ mnt_flags |= MNT_READONLY;
+
++ if (!capable(CAP_SYS_ADMIN))
++ mnt_flags |= MNT_NODEV;
+ flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | MS_BORN |
+ MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
+ MS_STRICTATIME);
+
+ if (flags & MS_REMOUNT)
+ retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags,
+- data_page);
++ data_page, tag);
+ else if (flags & MS_BIND)
+- retval = do_loopback(&path, dev_name, flags & MS_REC);
++ retval = do_loopback(&path, dev_name, tag, flags, mnt_flags);
+ else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
+ retval = do_change_type(&path, flags);
+ else if (flags & MS_MOVE)
+@@ -2329,6 +2351,7 @@ static struct mnt_namespace *dup_mnt_ns(
+ q = next_mnt(q, new);
+ }
+ up_write(&namespace_sem);
++ atomic_inc(&vs_global_mnt_ns);
+
+ if (rootmnt)
+ mntput(rootmnt);
+@@ -2524,9 +2547,10 @@ SYSCALL_DEFINE2(pivot_root, const char _
+ error = -EINVAL;
+ new_mnt = real_mount(new.mnt);
+ root_mnt = real_mount(root.mnt);
+- if (IS_MNT_SHARED(real_mount(old.mnt)) ||
++ if ((IS_MNT_SHARED(real_mount(old.mnt)) ||
+ IS_MNT_SHARED(new_mnt->mnt_parent) ||
+- IS_MNT_SHARED(root_mnt->mnt_parent))
++ IS_MNT_SHARED(root_mnt->mnt_parent)) &&
++ !vx_flags(VXF_STATE_SETUP, 0))
+ goto out4;
+ if (!check_mnt(root_mnt) || !check_mnt(new_mnt))
+ goto out4;
+@@ -2647,6 +2671,7 @@ void put_mnt_ns(struct mnt_namespace *ns
+ br_write_unlock(&vfsmount_lock);
+ up_write(&namespace_sem);
+ release_mounts(&umount_list);
++ atomic_dec(&vs_global_mnt_ns);
+ kfree(ns);
+ }
+
+diff -NurpP --minimal linux-3.7.10/fs/nfs/client.c linux-3.7.10-vs2.3.5.6/fs/nfs/client.c
+--- linux-3.7.10/fs/nfs/client.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfs/client.c 2013-01-16 00:19:03.000000000 +0000
+@@ -683,6 +683,9 @@ int nfs_init_server_rpcclient(struct nfs
+ if (server->flags & NFS_MOUNT_SOFT)
+ server->client->cl_softrtry = 1;
+
++ server->client->cl_tag = 0;
++ if (server->flags & NFS_MOUNT_TAGGED)
++ server->client->cl_tag = 1;
+ return 0;
+ }
+ EXPORT_SYMBOL_GPL(nfs_init_server_rpcclient);
+@@ -862,6 +865,10 @@ static void nfs_server_set_fsinfo(struct
+ server->acdirmin = server->acdirmax = 0;
+ }
+
++ /* FIXME: needs fsinfo
++ if (server->flags & NFS_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED; */
++
+ server->maxfilesize = fsinfo->maxfilesize;
+
+ server->time_delta = fsinfo->time_delta;
+diff -NurpP --minimal linux-3.7.10/fs/nfs/dir.c linux-3.7.10-vs2.3.5.6/fs/nfs/dir.c
+--- linux-3.7.10/fs/nfs/dir.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfs/dir.c 2013-01-16 00:19:03.000000000 +0000
+@@ -36,6 +36,7 @@
+ #include <linux/sched.h>
+ #include <linux/kmemleak.h>
+ #include <linux/xattr.h>
++#include <linux/vs_tag.h>
+
+ #include "delegation.h"
+ #include "iostat.h"
+@@ -1255,6 +1256,7 @@ struct dentry *nfs_lookup(struct inode *
+ /* Success: notify readdir to use READDIRPLUS */
+ nfs_advise_use_readdirplus(dir);
+
++ dx_propagate_tag(nd, inode);
+ no_entry:
+ res = d_materialise_unique(dentry, inode);
+ if (res != NULL) {
+diff -NurpP --minimal linux-3.7.10/fs/nfs/inode.c linux-3.7.10-vs2.3.5.6/fs/nfs/inode.c
+--- linux-3.7.10/fs/nfs/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfs/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -39,6 +39,7 @@
+ #include <linux/compat.h>
+ #include <linux/freezer.h>
+ #include <linux/crc32.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/uaccess.h>
+
+@@ -279,6 +280,8 @@ nfs_fhget(struct super_block *sb, struct
+ if (inode->i_state & I_NEW) {
+ struct nfs_inode *nfsi = NFS_I(inode);
+ unsigned long now = jiffies;
++ uid_t uid;
++ gid_t gid;
+
+ /* We set i_ino for the few things that still rely on it,
+ * such as stat(2) */
+@@ -323,8 +326,8 @@ nfs_fhget(struct super_block *sb, struct
+ inode->i_version = 0;
+ inode->i_size = 0;
+ clear_nlink(inode);
+- inode->i_uid = -2;
+- inode->i_gid = -2;
++ uid = -2;
++ gid = -2;
+ inode->i_blocks = 0;
+ memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
+ nfsi->write_io = 0;
+@@ -358,11 +361,11 @@ nfs_fhget(struct super_block *sb, struct
+ else if (nfs_server_capable(inode, NFS_CAP_NLINK))
+ nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
+ if (fattr->valid & NFS_ATTR_FATTR_OWNER)
+- inode->i_uid = fattr->uid;
++ uid = fattr->uid;
+ else if (nfs_server_capable(inode, NFS_CAP_OWNER))
+ nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
+ if (fattr->valid & NFS_ATTR_FATTR_GROUP)
+- inode->i_gid = fattr->gid;
++ gid = fattr->gid;
+ else if (nfs_server_capable(inode, NFS_CAP_OWNER_GROUP))
+ nfsi->cache_validity |= NFS_INO_INVALID_ATTR;
+ if (fattr->valid & NFS_ATTR_FATTR_BLOCKS_USED)
+@@ -373,6 +376,11 @@ nfs_fhget(struct super_block *sb, struct
+ */
+ inode->i_blocks = nfs_calc_block_size(fattr->du.nfs3.used);
+ }
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid, 0);
++ /* maybe fattr->xid someday */
++
+ nfsi->attrtimeo = NFS_MINATTRTIMEO(inode);
+ nfsi->attrtimeo_timestamp = now;
+ nfsi->access_cache = RB_ROOT;
+@@ -494,6 +502,8 @@ void nfs_setattr_update_inode(struct ino
+ inode->i_uid = attr->ia_uid;
+ if ((attr->ia_valid & ATTR_GID) != 0)
+ inode->i_gid = attr->ia_gid;
++ if ((attr->ia_valid & ATTR_TAG) && IS_TAGGED(inode))
++ inode->i_tag = attr->ia_tag;
+ NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+ spin_unlock(&inode->i_lock);
+ }
+@@ -968,6 +978,9 @@ static int nfs_check_inode_attributes(st
+ struct nfs_inode *nfsi = NFS_I(inode);
+ loff_t cur_size, new_isize;
+ unsigned long invalid = 0;
++ uid_t uid;
++ gid_t gid;
++ tag_t tag;
+
+
+ if (nfs_have_delegated_attributes(inode))
+@@ -993,13 +1006,18 @@ static int nfs_check_inode_attributes(st
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_REVAL_PAGECACHE;
+ }
+
++ uid = INOTAG_UID(DX_TAG(inode), fattr->uid, fattr->gid);
++ gid = INOTAG_GID(DX_TAG(inode), fattr->uid, fattr->gid);
++ tag = INOTAG_TAG(DX_TAG(inode), fattr->uid, fattr->gid, 0);
++
+ /* Have any file permissions changed? */
+ if ((fattr->valid & NFS_ATTR_FATTR_MODE) && (inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO))
+ invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
+- if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && inode->i_uid != fattr->uid)
++ if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && uid != fattr->uid)
+ invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
+- if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && inode->i_gid != fattr->gid)
++ if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && gid != fattr->gid)
+ invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
++ /* maybe check for tag too? */
+
+ /* Has the link count changed? */
+ if ((fattr->valid & NFS_ATTR_FATTR_NLINK) && inode->i_nlink != fattr->nlink)
+@@ -1303,6 +1321,9 @@ static int nfs_update_inode(struct inode
+ unsigned long invalid = 0;
+ unsigned long now = jiffies;
+ unsigned long save_cache_validity;
++ uid_t uid;
++ gid_t gid;
++ tag_t tag;
+
+ dfprintk(VFS, "NFS: %s(%s/%ld fh_crc=0x%08x ct=%d info=0x%x)\n",
+ __func__, inode->i_sb->s_id, inode->i_ino,
+@@ -1404,6 +1425,9 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_REVAL_PAGECACHE
+ | NFS_INO_REVAL_FORCED);
+
++ uid = TAGINO_UID(DX_TAG(inode), inode->i_uid, inode->i_tag);
++ gid = TAGINO_GID(DX_TAG(inode), inode->i_gid, inode->i_tag);
++ tag = inode->i_tag;
+
+ if (fattr->valid & NFS_ATTR_FATTR_ATIME)
+ memcpy(&inode->i_atime, &fattr->atime, sizeof(inode->i_atime));
+@@ -1425,9 +1449,9 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_REVAL_FORCED);
+
+ if (fattr->valid & NFS_ATTR_FATTR_OWNER) {
+- if (inode->i_uid != fattr->uid) {
++ if (uid != fattr->uid) {
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+- inode->i_uid = fattr->uid;
++ uid = fattr->uid;
+ }
+ } else if (server->caps & NFS_CAP_OWNER)
+ invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
+@@ -1436,9 +1460,9 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_REVAL_FORCED);
+
+ if (fattr->valid & NFS_ATTR_FATTR_GROUP) {
+- if (inode->i_gid != fattr->gid) {
++ if (gid != fattr->gid) {
+ invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
+- inode->i_gid = fattr->gid;
++ gid = fattr->gid;
+ }
+ } else if (server->caps & NFS_CAP_OWNER_GROUP)
+ invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR
+@@ -1446,6 +1470,10 @@ static int nfs_update_inode(struct inode
+ | NFS_INO_INVALID_ACL
+ | NFS_INO_REVAL_FORCED);
+
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid, tag);
++
+ if (fattr->valid & NFS_ATTR_FATTR_NLINK) {
+ if (inode->i_nlink != fattr->nlink) {
+ invalid |= NFS_INO_INVALID_ATTR;
+diff -NurpP --minimal linux-3.7.10/fs/nfs/nfs3xdr.c linux-3.7.10-vs2.3.5.6/fs/nfs/nfs3xdr.c
+--- linux-3.7.10/fs/nfs/nfs3xdr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfs/nfs3xdr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -20,6 +20,7 @@
+ #include <linux/nfs3.h>
+ #include <linux/nfs_fs.h>
+ #include <linux/nfsacl.h>
++#include <linux/vs_tag.h>
+ #include "internal.h"
+
+ #define NFSDBG_FACILITY NFSDBG_XDR
+@@ -560,7 +561,8 @@ static __be32 *xdr_decode_nfstime3(__be3
+ * set_mtime mtime;
+ * };
+ */
+-static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
++static void encode_sattr3(struct xdr_stream *xdr,
++ const struct iattr *attr, int tag)
+ {
+ u32 nbytes;
+ __be32 *p;
+@@ -592,15 +594,19 @@ static void encode_sattr3(struct xdr_str
+ } else
+ *p++ = xdr_zero;
+
+- if (attr->ia_valid & ATTR_UID) {
++ if (attr->ia_valid & ATTR_UID ||
++ (tag && (attr->ia_valid & ATTR_TAG))) {
+ *p++ = xdr_one;
+- *p++ = cpu_to_be32(attr->ia_uid);
++ *p++ = cpu_to_be32(TAGINO_UID(tag,
++ attr->ia_uid, attr->ia_tag));
+ } else
+ *p++ = xdr_zero;
+
+- if (attr->ia_valid & ATTR_GID) {
++ if (attr->ia_valid & ATTR_GID ||
++ (tag && (attr->ia_valid & ATTR_TAG))) {
+ *p++ = xdr_one;
+- *p++ = cpu_to_be32(attr->ia_gid);
++ *p++ = cpu_to_be32(TAGINO_GID(tag,
++ attr->ia_gid, attr->ia_tag));
+ } else
+ *p++ = xdr_zero;
+
+@@ -879,7 +885,7 @@ static void nfs3_xdr_enc_setattr3args(st
+ const struct nfs3_sattrargs *args)
+ {
+ encode_nfs_fh3(xdr, args->fh);
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, req->rq_task->tk_client->cl_tag);
+ encode_sattrguard3(xdr, args);
+ }
+
+@@ -1029,13 +1035,13 @@ static void nfs3_xdr_enc_write3args(stru
+ * };
+ */
+ static void encode_createhow3(struct xdr_stream *xdr,
+- const struct nfs3_createargs *args)
++ const struct nfs3_createargs *args, int tag)
+ {
+ encode_uint32(xdr, args->createmode);
+ switch (args->createmode) {
+ case NFS3_CREATE_UNCHECKED:
+ case NFS3_CREATE_GUARDED:
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ break;
+ case NFS3_CREATE_EXCLUSIVE:
+ encode_createverf3(xdr, args->verifier);
+@@ -1050,7 +1056,7 @@ static void nfs3_xdr_enc_create3args(str
+ const struct nfs3_createargs *args)
+ {
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_createhow3(xdr, args);
++ encode_createhow3(xdr, args, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+@@ -1066,7 +1072,7 @@ static void nfs3_xdr_enc_mkdir3args(stru
+ const struct nfs3_mkdirargs *args)
+ {
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+@@ -1083,9 +1089,9 @@ static void nfs3_xdr_enc_mkdir3args(stru
+ * };
+ */
+ static void encode_symlinkdata3(struct xdr_stream *xdr,
+- const struct nfs3_symlinkargs *args)
++ const struct nfs3_symlinkargs *args, int tag)
+ {
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ encode_nfspath3(xdr, args->pages, args->pathlen);
+ }
+
+@@ -1094,7 +1100,7 @@ static void nfs3_xdr_enc_symlink3args(st
+ const struct nfs3_symlinkargs *args)
+ {
+ encode_diropargs3(xdr, args->fromfh, args->fromname, args->fromlen);
+- encode_symlinkdata3(xdr, args);
++ encode_symlinkdata3(xdr, args, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+@@ -1122,24 +1128,24 @@ static void nfs3_xdr_enc_symlink3args(st
+ * };
+ */
+ static void encode_devicedata3(struct xdr_stream *xdr,
+- const struct nfs3_mknodargs *args)
++ const struct nfs3_mknodargs *args, int tag)
+ {
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ encode_specdata3(xdr, args->rdev);
+ }
+
+ static void encode_mknoddata3(struct xdr_stream *xdr,
+- const struct nfs3_mknodargs *args)
++ const struct nfs3_mknodargs *args, int tag)
+ {
+ encode_ftype3(xdr, args->type);
+ switch (args->type) {
+ case NF3CHR:
+ case NF3BLK:
+- encode_devicedata3(xdr, args);
++ encode_devicedata3(xdr, args, tag);
+ break;
+ case NF3SOCK:
+ case NF3FIFO:
+- encode_sattr3(xdr, args->sattr);
++ encode_sattr3(xdr, args->sattr, tag);
+ break;
+ case NF3REG:
+ case NF3DIR:
+@@ -1154,7 +1160,7 @@ static void nfs3_xdr_enc_mknod3args(stru
+ const struct nfs3_mknodargs *args)
+ {
+ encode_diropargs3(xdr, args->fh, args->name, args->len);
+- encode_mknoddata3(xdr, args);
++ encode_mknoddata3(xdr, args, req->rq_task->tk_client->cl_tag);
+ }
+
+ /*
+diff -NurpP --minimal linux-3.7.10/fs/nfs/super.c linux-3.7.10-vs2.3.5.6/fs/nfs/super.c
+--- linux-3.7.10/fs/nfs/super.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfs/super.c 2013-02-05 01:14:43.000000000 +0000
+@@ -55,6 +55,7 @@
+ #include <linux/nsproxy.h>
+ #include <linux/rcupdate.h>
+ #include <linux/kthread.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/uaccess.h>
+
+@@ -102,6 +103,7 @@ enum {
+ Opt_mountport,
+ Opt_mountvers,
+ Opt_minorversion,
++ Opt_tagid,
+
+ /* Mount options that take string arguments */
+ Opt_nfsvers,
+@@ -114,6 +116,9 @@ enum {
+ /* Special mount options */
+ Opt_userspace, Opt_deprecated, Opt_sloppy,
+
++ /* Linux-VServer tagging options */
++ Opt_tag, Opt_notag,
++
+ Opt_err
+ };
+
+@@ -183,6 +188,10 @@ static const match_table_t nfs_mount_opt
+ { Opt_fscache_uniq, "fsc=%s" },
+ { Opt_local_lock, "local_lock=%s" },
+
++ { Opt_tag, "tag" },
++ { Opt_notag, "notag" },
++ { Opt_tagid, "tagid=%u" },
++
+ /* The following needs to be listed after all other options */
+ { Opt_nfsvers, "v%s" },
+
+@@ -678,6 +687,7 @@ static void nfs_show_mount_options(struc
+ { NFS_MOUNT_NORDIRPLUS, ",nordirplus", "" },
+ { NFS_MOUNT_UNSHARED, ",nosharecache", "" },
+ { NFS_MOUNT_NORESVPORT, ",noresvport", "" },
++ { NFS_MOUNT_TAGGED, ",tag", "" },
+ { 0, NULL, NULL }
+ };
+ const struct proc_nfs_info *nfs_infop;
+@@ -1304,6 +1314,14 @@ static int nfs_parse_mount_options(char
+ case Opt_nomigration:
+ mnt->options &= NFS_OPTION_MIGRATION;
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ mnt->flags |= NFS_MOUNT_TAGGED;
++ break;
++ case Opt_notag:
++ mnt->flags &= ~NFS_MOUNT_TAGGED;
++ break;
++#endif
+
+ /*
+ * options that take numeric values
+@@ -1390,6 +1408,12 @@ static int nfs_parse_mount_options(char
+ goto out_invalid_value;
+ mnt->minorversion = option;
+ break;
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ nfs_data.flags |= NFS_MOUNT_TAGGED;
++ break;
++#endif
+
+ /*
+ * options that take text values
+diff -NurpP --minimal linux-3.7.10/fs/nfsd/auth.c linux-3.7.10-vs2.3.5.6/fs/nfsd/auth.c
+--- linux-3.7.10/fs/nfsd/auth.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfsd/auth.c 2012-12-18 15:13:16.000000000 +0000
+@@ -2,6 +2,7 @@
+
+ #include <linux/sched.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_tag.h>
+ #include "nfsd.h"
+ #include "auth.h"
+
+@@ -37,6 +38,9 @@ int nfsd_setuser(struct svc_rqst *rqstp,
+
+ new->fsuid = rqstp->rq_cred.cr_uid;
+ new->fsgid = rqstp->rq_cred.cr_gid;
++ /* FIXME: this desperately needs a tag :)
++ new->xid = (xid_t)INOTAG_TAG(DX_TAG_NFSD, cred.cr_uid, cred.cr_gid, 0);
++ */
+
+ rqgi = rqstp->rq_cred.cr_group_info;
+
+diff -NurpP --minimal linux-3.7.10/fs/nfsd/nfs3xdr.c linux-3.7.10-vs2.3.5.6/fs/nfsd/nfs3xdr.c
+--- linux-3.7.10/fs/nfsd/nfs3xdr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfsd/nfs3xdr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -7,6 +7,7 @@
+ */
+
+ #include <linux/namei.h>
++#include <linux/vs_tag.h>
+ #include "xdr3.h"
+ #include "auth.h"
+
+@@ -95,6 +96,8 @@ static __be32 *
+ decode_sattr3(__be32 *p, struct iattr *iap)
+ {
+ u32 tmp;
++ uid_t uid = 0;
++ gid_t gid = 0;
+
+ iap->ia_valid = 0;
+
+@@ -104,12 +107,15 @@ decode_sattr3(__be32 *p, struct iattr *i
+ }
+ if (*p++) {
+ iap->ia_valid |= ATTR_UID;
+- iap->ia_uid = ntohl(*p++);
++ uid = ntohl(*p++);
+ }
+ if (*p++) {
+ iap->ia_valid |= ATTR_GID;
+- iap->ia_gid = ntohl(*p++);
++ gid = ntohl(*p++);
+ }
++ iap->ia_uid = INOTAG_UID(DX_TAG_NFSD, uid, gid);
++ iap->ia_gid = INOTAG_GID(DX_TAG_NFSD, uid, gid);
++ iap->ia_tag = INOTAG_TAG(DX_TAG_NFSD, uid, gid, 0);
+ if (*p++) {
+ u64 newsize;
+
+@@ -165,8 +171,12 @@ encode_fattr3(struct svc_rqst *rqstp, __
+ *p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]);
+ *p++ = htonl((u32) stat->mode);
+ *p++ = htonl((u32) stat->nlink);
+- *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid));
+- *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid));
++ *p++ = htonl((u32) nfsd_ruid(rqstp,
++ TAGINO_UID(0 /* FIXME: DX_TAG(dentry->d_inode) */,
++ stat->uid, stat->tag)));
++ *p++ = htonl((u32) nfsd_rgid(rqstp,
++ TAGINO_GID(0 /* FIXME: DX_TAG(dentry->d_inode) */,
++ stat->gid, stat->tag)));
+ if (S_ISLNK(stat->mode) && stat->size > NFS3_MAXPATHLEN) {
+ p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
+ } else {
+diff -NurpP --minimal linux-3.7.10/fs/nfsd/nfs4xdr.c linux-3.7.10-vs2.3.5.6/fs/nfsd/nfs4xdr.c
+--- linux-3.7.10/fs/nfsd/nfs4xdr.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfsd/nfs4xdr.c 2013-01-16 00:19:03.000000000 +0000
+@@ -46,6 +46,7 @@
+ #include <linux/utsname.h>
+ #include <linux/pagemap.h>
+ #include <linux/sunrpc/svcauth_gss.h>
++#include <linux/vs_tag.h>
+
+ #include "idmap.h"
+ #include "acl.h"
+@@ -2351,14 +2352,18 @@ out_acl:
+ WRITE32(stat.nlink);
+ }
+ if (bmval1 & FATTR4_WORD1_OWNER) {
+- status = nfsd4_encode_user(rqstp, stat.uid, &p, &buflen);
++ status = nfsd4_encode_user(rqstp,
++ TAGINO_UID(DX_TAG(dentry->d_inode),
++ stat.uid, stat.tag), &p, &buflen);
+ if (status == nfserr_resource)
+ goto out_resource;
+ if (status)
+ goto out;
+ }
+ if (bmval1 & FATTR4_WORD1_OWNER_GROUP) {
+- status = nfsd4_encode_group(rqstp, stat.gid, &p, &buflen);
++ status = nfsd4_encode_group(rqstp,
++ TAGINO_GID(DX_TAG(dentry->d_inode),
++ stat.gid, stat.tag), &p, &buflen);
+ if (status == nfserr_resource)
+ goto out_resource;
+ if (status)
+diff -NurpP --minimal linux-3.7.10/fs/nfsd/nfsxdr.c linux-3.7.10-vs2.3.5.6/fs/nfsd/nfsxdr.c
+--- linux-3.7.10/fs/nfsd/nfsxdr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/nfsd/nfsxdr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -6,6 +6,7 @@
+
+ #include "xdr.h"
+ #include "auth.h"
++#include <linux/vs_tag.h>
+
+ #define NFSDDBG_FACILITY NFSDDBG_XDR
+
+@@ -88,6 +89,8 @@ static __be32 *
+ decode_sattr(__be32 *p, struct iattr *iap)
+ {
+ u32 tmp, tmp1;
++ uid_t uid = 0;
++ gid_t gid = 0;
+
+ iap->ia_valid = 0;
+
+@@ -101,12 +104,15 @@ decode_sattr(__be32 *p, struct iattr *ia
+ }
+ if ((tmp = ntohl(*p++)) != (u32)-1) {
+ iap->ia_valid |= ATTR_UID;
+- iap->ia_uid = tmp;
++ uid = tmp;
+ }
+ if ((tmp = ntohl(*p++)) != (u32)-1) {
+ iap->ia_valid |= ATTR_GID;
+- iap->ia_gid = tmp;
++ gid = tmp;
+ }
++ iap->ia_uid = INOTAG_UID(DX_TAG_NFSD, uid, gid);
++ iap->ia_gid = INOTAG_GID(DX_TAG_NFSD, uid, gid);
++ iap->ia_tag = INOTAG_TAG(DX_TAG_NFSD, uid, gid, 0);
+ if ((tmp = ntohl(*p++)) != (u32)-1) {
+ iap->ia_valid |= ATTR_SIZE;
+ iap->ia_size = tmp;
+@@ -151,8 +157,10 @@ encode_fattr(struct svc_rqst *rqstp, __b
+ *p++ = htonl(nfs_ftypes[type >> 12]);
+ *p++ = htonl((u32) stat->mode);
+ *p++ = htonl((u32) stat->nlink);
+- *p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid));
+- *p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid));
++ *p++ = htonl((u32) nfsd_ruid(rqstp,
++ TAGINO_UID(DX_TAG(dentry->d_inode), stat->uid, stat->tag)));
++ *p++ = htonl((u32) nfsd_rgid(rqstp,
++ TAGINO_GID(DX_TAG(dentry->d_inode), stat->gid, stat->tag)));
+
+ if (S_ISLNK(type) && stat->size > NFS_MAXPATHLEN) {
+ *p++ = htonl(NFS_MAXPATHLEN);
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/dlmglue.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/dlmglue.c
+--- linux-3.7.10/fs/ocfs2/dlmglue.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/dlmglue.c 2013-03-02 15:26:03.000000000 +0000
+@@ -2047,6 +2047,7 @@ static void __ocfs2_stuff_meta_lvb(struc
+ lvb->lvb_iclusters = cpu_to_be32(oi->ip_clusters);
+ lvb->lvb_iuid = cpu_to_be32(inode->i_uid);
+ lvb->lvb_igid = cpu_to_be32(inode->i_gid);
++ lvb->lvb_itag = cpu_to_be16(inode->i_tag);
+ lvb->lvb_imode = cpu_to_be16(inode->i_mode);
+ lvb->lvb_inlink = cpu_to_be16(inode->i_nlink);
+ lvb->lvb_iatime_packed =
+@@ -2097,6 +2098,7 @@ static void ocfs2_refresh_inode_from_lvb
+
+ inode->i_uid = be32_to_cpu(lvb->lvb_iuid);
+ inode->i_gid = be32_to_cpu(lvb->lvb_igid);
++ inode->i_tag = be16_to_cpu(lvb->lvb_itag);
+ inode->i_mode = be16_to_cpu(lvb->lvb_imode);
+ set_nlink(inode, be16_to_cpu(lvb->lvb_inlink));
+ ocfs2_unpack_timespec(&inode->i_atime,
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/dlmglue.h linux-3.7.10-vs2.3.5.6/fs/ocfs2/dlmglue.h
+--- linux-3.7.10/fs/ocfs2/dlmglue.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/dlmglue.h 2012-12-18 15:13:16.000000000 +0000
+@@ -46,7 +46,8 @@ struct ocfs2_meta_lvb {
+ __be16 lvb_inlink;
+ __be32 lvb_iattr;
+ __be32 lvb_igeneration;
+- __be32 lvb_reserved2;
++ __be16 lvb_itag;
++ __be16 lvb_reserved2;
+ };
+
+ #define OCFS2_QINFO_LVB_VERSION 1
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/file.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/file.c
+--- linux-3.7.10/fs/ocfs2/file.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/file.c 2012-12-18 15:13:16.000000000 +0000
+@@ -1123,7 +1123,7 @@ int ocfs2_setattr(struct dentry *dentry,
+ attr->ia_valid &= ~ATTR_SIZE;
+
+ #define OCFS2_VALID_ATTRS (ATTR_ATIME | ATTR_MTIME | ATTR_CTIME | ATTR_SIZE \
+- | ATTR_GID | ATTR_UID | ATTR_MODE)
++ | ATTR_GID | ATTR_UID | ATTR_TAG | ATTR_MODE)
+ if (!(attr->ia_valid & OCFS2_VALID_ATTRS))
+ return 0;
+
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/inode.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/inode.c
+--- linux-3.7.10/fs/ocfs2/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -28,6 +28,7 @@
+ #include <linux/highmem.h>
+ #include <linux/pagemap.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+
+ #include <asm/byteorder.h>
+
+@@ -78,11 +79,13 @@ void ocfs2_set_inode_flags(struct inode
+ {
+ unsigned int flags = OCFS2_I(inode)->ip_attr;
+
+- inode->i_flags &= ~(S_IMMUTABLE |
++ inode->i_flags &= ~(S_IMMUTABLE | S_IXUNLINK |
+ S_SYNC | S_APPEND | S_NOATIME | S_DIRSYNC);
+
+ if (flags & OCFS2_IMMUTABLE_FL)
+ inode->i_flags |= S_IMMUTABLE;
++ if (flags & OCFS2_IXUNLINK_FL)
++ inode->i_flags |= S_IXUNLINK;
+
+ if (flags & OCFS2_SYNC_FL)
+ inode->i_flags |= S_SYNC;
+@@ -92,25 +95,44 @@ void ocfs2_set_inode_flags(struct inode
+ inode->i_flags |= S_NOATIME;
+ if (flags & OCFS2_DIRSYNC_FL)
+ inode->i_flags |= S_DIRSYNC;
++
++ inode->i_vflags &= ~(V_BARRIER | V_COW);
++
++ if (flags & OCFS2_BARRIER_FL)
++ inode->i_vflags |= V_BARRIER;
++ if (flags & OCFS2_COW_FL)
++ inode->i_vflags |= V_COW;
+ }
+
+ /* Propagate flags from i_flags to OCFS2_I(inode)->ip_attr */
+ void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi)
+ {
+ unsigned int flags = oi->vfs_inode.i_flags;
++ unsigned int vflags = oi->vfs_inode.i_vflags;
++
++ oi->ip_attr &= ~(OCFS2_SYNC_FL | OCFS2_APPEND_FL |
++ OCFS2_IMMUTABLE_FL | OCFS2_IXUNLINK_FL |
++ OCFS2_NOATIME_FL | OCFS2_DIRSYNC_FL |
++ OCFS2_BARRIER_FL | OCFS2_COW_FL);
++
++ if (flags & S_IMMUTABLE)
++ oi->ip_attr |= OCFS2_IMMUTABLE_FL;
++ if (flags & S_IXUNLINK)
++ oi->ip_attr |= OCFS2_IXUNLINK_FL;
+
+- oi->ip_attr &= ~(OCFS2_SYNC_FL|OCFS2_APPEND_FL|
+- OCFS2_IMMUTABLE_FL|OCFS2_NOATIME_FL|OCFS2_DIRSYNC_FL);
+ if (flags & S_SYNC)
+ oi->ip_attr |= OCFS2_SYNC_FL;
+ if (flags & S_APPEND)
+ oi->ip_attr |= OCFS2_APPEND_FL;
+- if (flags & S_IMMUTABLE)
+- oi->ip_attr |= OCFS2_IMMUTABLE_FL;
+ if (flags & S_NOATIME)
+ oi->ip_attr |= OCFS2_NOATIME_FL;
+ if (flags & S_DIRSYNC)
+ oi->ip_attr |= OCFS2_DIRSYNC_FL;
++
++ if (vflags & V_BARRIER)
++ oi->ip_attr |= OCFS2_BARRIER_FL;
++ if (vflags & V_COW)
++ oi->ip_attr |= OCFS2_COW_FL;
+ }
+
+ struct inode *ocfs2_ilookup(struct super_block *sb, u64 blkno)
+@@ -241,6 +263,8 @@ void ocfs2_populate_inode(struct inode *
+ struct super_block *sb;
+ struct ocfs2_super *osb;
+ int use_plocks = 1;
++ uid_t uid;
++ gid_t gid;
+
+ sb = inode->i_sb;
+ osb = OCFS2_SB(sb);
+@@ -269,8 +293,12 @@ void ocfs2_populate_inode(struct inode *
+ inode->i_generation = le32_to_cpu(fe->i_generation);
+ inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
+ inode->i_mode = le16_to_cpu(fe->i_mode);
+- inode->i_uid = le32_to_cpu(fe->i_uid);
+- inode->i_gid = le32_to_cpu(fe->i_gid);
++ uid = le32_to_cpu(fe->i_uid);
++ gid = le32_to_cpu(fe->i_gid);
++ inode->i_uid = INOTAG_UID(DX_TAG(inode), uid, gid);
++ inode->i_gid = INOTAG_GID(DX_TAG(inode), uid, gid);
++ inode->i_tag = INOTAG_TAG(DX_TAG(inode), uid, gid,
++ /* le16_to_cpu(raw_inode->i_raw_tag)i */ 0);
+
+ /* Fast symlinks will have i_size but no allocated clusters. */
+ if (S_ISLNK(inode->i_mode) && !fe->i_clusters) {
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/inode.h linux-3.7.10-vs2.3.5.6/fs/ocfs2/inode.h
+--- linux-3.7.10/fs/ocfs2/inode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -154,6 +154,7 @@ struct buffer_head *ocfs2_bread(struct i
+
+ void ocfs2_set_inode_flags(struct inode *inode);
+ void ocfs2_get_inode_flags(struct ocfs2_inode_info *oi);
++int ocfs2_sync_flags(struct inode *inode, int, int);
+
+ static inline blkcnt_t ocfs2_inode_sector_count(struct inode *inode)
+ {
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/ioctl.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/ioctl.c
+--- linux-3.7.10/fs/ocfs2/ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -76,7 +76,41 @@ static int ocfs2_get_inode_attr(struct i
+ return status;
+ }
+
+-static int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
++int ocfs2_sync_flags(struct inode *inode, int flags, int vflags)
++{
++ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
++ struct buffer_head *bh = NULL;
++ handle_t *handle = NULL;
++ int status;
++
++ status = ocfs2_inode_lock(inode, &bh, 1);
++ if (status < 0) {
++ mlog_errno(status);
++ return status;
++ }
++ handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
++ if (IS_ERR(handle)) {
++ status = PTR_ERR(handle);
++ mlog_errno(status);
++ goto bail_unlock;
++ }
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ ocfs2_get_inode_flags(OCFS2_I(inode));
++
++ status = ocfs2_mark_inode_dirty(handle, inode, bh);
++ if (status < 0)
++ mlog_errno(status);
++
++ ocfs2_commit_trans(osb, handle);
++bail_unlock:
++ ocfs2_inode_unlock(inode, 1);
++ brelse(bh);
++ return status;
++}
++
++int ocfs2_set_inode_attr(struct inode *inode, unsigned flags,
+ unsigned mask)
+ {
+ struct ocfs2_inode_info *ocfs2_inode = OCFS2_I(inode);
+@@ -101,6 +135,11 @@ static int ocfs2_set_inode_attr(struct i
+ if (!S_ISDIR(inode->i_mode))
+ flags &= ~OCFS2_DIRSYNC_FL;
+
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ goto bail_unlock;
++ }
++
+ handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
+ if (IS_ERR(handle)) {
+ status = PTR_ERR(handle);
+@@ -879,6 +918,7 @@ bail:
+ return status;
+ }
+
++
+ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+ {
+ struct inode *inode = filp->f_path.dentry->d_inode;
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/namei.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/namei.c
+--- linux-3.7.10/fs/ocfs2/namei.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/namei.c 2012-12-18 15:13:16.000000000 +0000
+@@ -41,6 +41,7 @@
+ #include <linux/slab.h>
+ #include <linux/highmem.h>
+ #include <linux/quotaops.h>
++#include <linux/vs_tag.h>
+
+ #include <cluster/masklog.h>
+
+@@ -475,6 +476,7 @@ static int __ocfs2_mknod_locked(struct i
+ struct ocfs2_dinode *fe = NULL;
+ struct ocfs2_extent_list *fel;
+ u16 feat;
++ tag_t tag;
+
+ *new_fe_bh = NULL;
+
+@@ -512,8 +514,11 @@ static int __ocfs2_mknod_locked(struct i
+ fe->i_suballoc_loc = cpu_to_le64(suballoc_loc);
+ fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);
+ fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot);
+- fe->i_uid = cpu_to_le32(inode->i_uid);
+- fe->i_gid = cpu_to_le32(inode->i_gid);
++
++ tag = dx_current_fstag(osb->sb);
++ fe->i_uid = cpu_to_le32(TAGINO_UID(DX_TAG(inode), inode->i_uid, tag));
++ fe->i_gid = cpu_to_le32(TAGINO_GID(DX_TAG(inode), inode->i_gid, tag));
++ inode->i_tag = tag;
+ fe->i_mode = cpu_to_le16(inode->i_mode);
+ if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode))
+ fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev));
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/ocfs2.h linux-3.7.10-vs2.3.5.6/fs/ocfs2/ocfs2.h
+--- linux-3.7.10/fs/ocfs2/ocfs2.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/ocfs2.h 2012-12-18 15:13:16.000000000 +0000
+@@ -272,6 +272,7 @@ enum ocfs2_mount_options
+ writes */
+ OCFS2_MOUNT_HB_NONE = 1 << 13, /* No heartbeat */
+ OCFS2_MOUNT_HB_GLOBAL = 1 << 14, /* Global heartbeat */
++ OCFS2_MOUNT_TAGGED = 1 << 15, /* use tagging */
+ };
+
+ #define OCFS2_OSB_SOFT_RO 0x0001
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/ocfs2_fs.h linux-3.7.10-vs2.3.5.6/fs/ocfs2/ocfs2_fs.h
+--- linux-3.7.10/fs/ocfs2/ocfs2_fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/ocfs2_fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -266,6 +266,11 @@
+ #define OCFS2_TOPDIR_FL FS_TOPDIR_FL /* Top of directory hierarchies*/
+ #define OCFS2_RESERVED_FL FS_RESERVED_FL /* reserved for ext2 lib */
+
++#define OCFS2_IXUNLINK_FL FS_IXUNLINK_FL /* Immutable invert on unlink */
++
++#define OCFS2_BARRIER_FL FS_BARRIER_FL /* Barrier for chroot() */
++#define OCFS2_COW_FL FS_COW_FL /* Copy on Write marker */
++
+ #define OCFS2_FL_VISIBLE FS_FL_USER_VISIBLE /* User visible flags */
+ #define OCFS2_FL_MODIFIABLE FS_FL_USER_MODIFIABLE /* User modifiable flags */
+
+diff -NurpP --minimal linux-3.7.10/fs/ocfs2/super.c linux-3.7.10-vs2.3.5.6/fs/ocfs2/super.c
+--- linux-3.7.10/fs/ocfs2/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/ocfs2/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -185,6 +185,7 @@ enum {
+ Opt_coherency_full,
+ Opt_resv_level,
+ Opt_dir_resv_level,
++ Opt_tag, Opt_notag, Opt_tagid,
+ Opt_err,
+ };
+
+@@ -216,6 +217,9 @@ static const match_table_t tokens = {
+ {Opt_coherency_full, "coherency=full"},
+ {Opt_resv_level, "resv_level=%u"},
+ {Opt_dir_resv_level, "dir_resv_level=%u"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
++ {Opt_tagid, "tagid=%u"},
+ {Opt_err, NULL}
+ };
+
+@@ -662,6 +666,13 @@ static int ocfs2_remount(struct super_bl
+ goto out;
+ }
+
++ if ((osb->s_mount_opt & OCFS2_MOUNT_TAGGED) !=
++ (parsed_options.mount_opt & OCFS2_MOUNT_TAGGED)) {
++ ret = -EINVAL;
++ mlog(ML_ERROR, "Cannot change tagging on remount\n");
++ goto out;
++ }
++
+ /* We're going to/from readonly mode. */
+ if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) {
+ /* Disable quota accounting before remounting RO */
+@@ -1177,6 +1188,9 @@ static int ocfs2_fill_super(struct super
+
+ ocfs2_complete_mount_recovery(osb);
+
++ if (osb->s_mount_opt & OCFS2_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ if (ocfs2_mount_local(osb))
+ snprintf(nodestr, sizeof(nodestr), "local");
+ else
+@@ -1503,6 +1517,20 @@ static int ocfs2_parse_options(struct su
+ option < OCFS2_MAX_RESV_LEVEL)
+ mopt->dir_resv_level = option;
+ break;
++#ifndef CONFIG_TAGGING_NONE
++ case Opt_tag:
++ mopt->mount_opt |= OCFS2_MOUNT_TAGGED;
++ break;
++ case Opt_notag:
++ mopt->mount_opt &= ~OCFS2_MOUNT_TAGGED;
++ break;
++#endif
++#ifdef CONFIG_PROPAGATE
++ case Opt_tagid:
++ /* use args[0] */
++ mopt->mount_opt |= OCFS2_MOUNT_TAGGED;
++ break;
++#endif
+ default:
+ mlog(ML_ERROR,
+ "Unrecognized mount option \"%s\" "
+diff -NurpP --minimal linux-3.7.10/fs/open.c linux-3.7.10-vs2.3.5.6/fs/open.c
+--- linux-3.7.10/fs/open.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/open.c 2012-12-18 15:13:16.000000000 +0000
+@@ -30,6 +30,11 @@
+ #include <linux/fs_struct.h>
+ #include <linux/ima.h>
+ #include <linux/dnotify.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_tag.h>
++#include <linux/vs_cowbl.h>
++#include <linux/vserver/dlimit.h>
+
+ #include "internal.h"
+
+@@ -74,6 +79,12 @@ static long do_sys_truncate(const char _
+ error = user_path(pathname, &path);
+ if (error)
+ goto out;
++
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (error)
++ goto dput_and_out;
++#endif
+ inode = path.dentry->d_inode;
+
+ /* For directories it's -EISDIR, for other non-regulars - -EINVAL */
+@@ -492,6 +503,10 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, cons
+
+ error = user_path_at(dfd, filename, LOOKUP_FOLLOW, &path);
+ if (!error) {
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
+ error = chmod_common(&path, mode);
+ path_put(&path);
+ }
+@@ -519,13 +534,13 @@ static int chown_common(struct path *pat
+ if (!uid_valid(uid))
+ return -EINVAL;
+ newattrs.ia_valid |= ATTR_UID;
+- newattrs.ia_uid = uid;
++ newattrs.ia_uid = dx_map_uid(user);
+ }
+ if (group != (gid_t) -1) {
+ if (!gid_valid(gid))
+ return -EINVAL;
+ newattrs.ia_valid |= ATTR_GID;
+- newattrs.ia_gid = gid;
++ newattrs.ia_gid = dx_map_gid(group);
+ }
+ if (!S_ISDIR(inode->i_mode))
+ newattrs.ia_valid |=
+@@ -558,6 +573,18 @@ SYSCALL_DEFINE5(fchownat, int, dfd, cons
+ error = mnt_want_write(path.mnt);
+ if (error)
+ goto out_release;
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
++#ifdef CONFIG_VSERVER_COWBL
++ error = cow_check_and_break(&path);
++ if (!error)
++#endif
+ error = chown_common(&path, user, group);
+ mnt_drop_write(path.mnt);
+ out_release:
+diff -NurpP --minimal linux-3.7.10/fs/proc/array.c linux-3.7.10-vs2.3.5.6/fs/proc/array.c
+--- linux-3.7.10/fs/proc/array.c 2013-03-02 09:55:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/array.c 2013-01-16 00:19:03.000000000 +0000
+@@ -82,6 +82,8 @@
+ #include <linux/ptrace.h>
+ #include <linux/tracehook.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
+
+ #include <asm/pgtable.h>
+ #include <asm/processor.h>
+@@ -172,6 +174,9 @@ static inline void task_state(struct seq
+ rcu_read_lock();
+ ppid = pid_alive(p) ?
+ task_tgid_nr_ns(rcu_dereference(p->real_parent), ns) : 0;
++ if (unlikely(vx_current_initpid(p->pid)))
++ ppid = 0;
++
+ tpid = 0;
+ if (pid_alive(p)) {
+ struct task_struct *tracer = ptrace_parent(p);
+@@ -296,7 +301,7 @@ static inline void task_sig(struct seq_f
+ }
+
+ static void render_cap_t(struct seq_file *m, const char *header,
+- kernel_cap_t *a)
++ struct vx_info *vxi, kernel_cap_t *a)
+ {
+ unsigned __capi;
+
+@@ -321,10 +326,11 @@ static inline void task_cap(struct seq_f
+ cap_bset = cred->cap_bset;
+ rcu_read_unlock();
+
+- render_cap_t(m, "CapInh:\t", &cap_inheritable);
+- render_cap_t(m, "CapPrm:\t", &cap_permitted);
+- render_cap_t(m, "CapEff:\t", &cap_effective);
+- render_cap_t(m, "CapBnd:\t", &cap_bset);
++ /* FIXME: maybe move the p->vx_info masking to __task_cred() ? */
++ render_cap_t(m, "CapInh:\t", p->vx_info, &cap_inheritable);
++ render_cap_t(m, "CapPrm:\t", p->vx_info, &cap_permitted);
++ render_cap_t(m, "CapEff:\t", p->vx_info, &cap_effective);
++ render_cap_t(m, "CapBnd:\t", p->vx_info, &cap_bset);
+ }
+
+ static inline void task_context_switch_counts(struct seq_file *m,
+@@ -346,6 +352,42 @@ static void task_cpus_allowed(struct seq
+ seq_putc(m, '\n');
+ }
+
++int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
++ struct pid *pid, struct task_struct *task)
++{
++ seq_printf(m, "Proxy:\t%p(%c)\n"
++ "Count:\t%u\n"
++ "uts:\t%p(%c)\n"
++ "ipc:\t%p(%c)\n"
++ "mnt:\t%p(%c)\n"
++ "pid:\t%p(%c)\n"
++ "net:\t%p(%c)\n",
++ task->nsproxy,
++ (task->nsproxy == init_task.nsproxy ? 'I' : '-'),
++ atomic_read(&task->nsproxy->count),
++ task->nsproxy->uts_ns,
++ (task->nsproxy->uts_ns == init_task.nsproxy->uts_ns ? 'I' : '-'),
++ task->nsproxy->ipc_ns,
++ (task->nsproxy->ipc_ns == init_task.nsproxy->ipc_ns ? 'I' : '-'),
++ task->nsproxy->mnt_ns,
++ (task->nsproxy->mnt_ns == init_task.nsproxy->mnt_ns ? 'I' : '-'),
++ task->nsproxy->pid_ns,
++ (task->nsproxy->pid_ns == init_task.nsproxy->pid_ns ? 'I' : '-'),
++ task->nsproxy->net_ns,
++ (task->nsproxy->net_ns == init_task.nsproxy->net_ns ? 'I' : '-'));
++ return 0;
++}
++
++void task_vs_id(struct seq_file *m, struct task_struct *task)
++{
++ if (task_vx_flags(task, VXF_HIDE_VINFO, 0))
++ return;
++
++ seq_printf(m, "VxID: %d\n", vx_task_xid(task));
++ seq_printf(m, "NxID: %d\n", nx_task_nid(task));
++}
++
++
+ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
+ {
+@@ -362,6 +404,7 @@ int proc_pid_status(struct seq_file *m,
+ task_cap(m, task);
+ task_cpus_allowed(m, task);
+ cpuset_task_status_allowed(m, task);
++ task_vs_id(m, task);
+ task_context_switch_counts(m, task);
+ return 0;
+ }
+@@ -471,6 +514,17 @@ static int do_task_stat(struct seq_file
+ /* convert nsec -> ticks */
+ start_time = nsec_to_clock_t(start_time);
+
++ /* fixup start time for virt uptime */
++ if (vx_flags(VXF_VIRT_UPTIME, 0)) {
++ unsigned long long bias =
++ current->vx_info->cvirt.bias_clock;
++
++ if (start_time > bias)
++ start_time -= bias;
++ else
++ start_time = 0;
++ }
++
+ seq_printf(m, "%d (%s) %c", pid_nr_ns(pid, ns), tcomm, state);
+ seq_put_decimal_ll(m, ' ', ppid);
+ seq_put_decimal_ll(m, ' ', pgid);
+diff -NurpP --minimal linux-3.7.10/fs/proc/base.c linux-3.7.10-vs2.3.5.6/fs/proc/base.c
+--- linux-3.7.10/fs/proc/base.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/base.c 2012-12-18 15:13:16.000000000 +0000
+@@ -85,6 +85,8 @@
+ #include <linux/fs_struct.h>
+ #include <linux/slab.h>
+ #include <linux/flex_array.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
+ #ifdef CONFIG_HARDWALL
+ #include <asm/hardwall.h>
+ #endif
+@@ -950,11 +952,15 @@ static ssize_t oom_adj_write(struct file
+ oom_adj = (oom_adj * OOM_SCORE_ADJ_MAX) / -OOM_DISABLE;
+
+ if (oom_adj < task->signal->oom_score_adj &&
+- !capable(CAP_SYS_RESOURCE)) {
++ !vx_capable(CAP_SYS_RESOURCE, VXC_OOM_ADJUST)) {
+ err = -EACCES;
+ goto err_sighand;
+ }
+
++ /* prevent guest processes from circumventing the oom killer */
++ if (vx_current_xid() && (oom_adj == OOM_DISABLE))
++ oom_adj = OOM_ADJUST_MIN;
++
+ /*
+ * /proc/pid/oom_adj is provided for legacy purposes, ask users to use
+ * /proc/pid/oom_score_adj instead.
+@@ -1534,6 +1540,8 @@ struct inode *proc_pid_make_inode(struct
+ inode->i_gid = cred->egid;
+ rcu_read_unlock();
+ }
++ /* procfs is xid tagged */
++ i_tag_write(inode, (tag_t)vx_task_xid(task));
+ security_task_to_inode(task, inode);
+
+ out:
+@@ -1579,6 +1587,8 @@ int pid_getattr(struct vfsmount *mnt, st
+
+ /* dentry stuff */
+
++static unsigned name_to_int(struct dentry *dentry);
++
+ /*
+ * Exceptional case: normally we are not allowed to unhash a busy
+ * directory. In this case, however, we can do it - no aliasing problems
+@@ -1607,6 +1617,12 @@ int pid_revalidate(struct dentry *dentry
+ task = get_proc_task(inode);
+
+ if (task) {
++ unsigned pid = name_to_int(dentry);
++
++ if (pid != ~0U && pid != vx_map_pid(task->pid)) {
++ put_task_struct(task);
++ goto drop;
++ }
+ if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) ||
+ task_dumpable(task)) {
+ rcu_read_lock();
+@@ -1623,6 +1639,7 @@ int pid_revalidate(struct dentry *dentry
+ put_task_struct(task);
+ return 1;
+ }
++drop:
+ d_drop(dentry);
+ return 0;
+ }
+@@ -2065,6 +2082,13 @@ static struct dentry *proc_pident_lookup
+ if (!task)
+ goto out_no_task;
+
++ /* TODO: maybe we can come up with a generic approach? */
++ if (task_vx_flags(task, VXF_HIDE_VINFO, 0) &&
++ (dentry->d_name.len == 5) &&
++ (!memcmp(dentry->d_name.name, "vinfo", 5) ||
++ !memcmp(dentry->d_name.name, "ninfo", 5)))
++ goto out;
++
+ /*
+ * Yes, it does not scale. And it should not. Don't add
+ * new entries into /proc/<tgid>/ without very good reasons.
+@@ -2451,7 +2475,7 @@ out_iput:
+ static struct dentry *proc_base_lookup(struct inode *dir, struct dentry *dentry)
+ {
+ struct dentry *error;
+- struct task_struct *task = get_proc_task(dir);
++ struct task_struct *task = get_proc_task_real(dir);
+ const struct pid_entry *p, *last;
+
+ error = ERR_PTR(-ENOENT);
+@@ -2639,6 +2663,9 @@ static int proc_pid_personality(struct s
+ static const struct file_operations proc_task_operations;
+ static const struct inode_operations proc_task_inode_operations;
+
++extern int proc_pid_vx_info(struct task_struct *, char *);
++extern int proc_pid_nx_info(struct task_struct *, char *);
++
+ static const struct pid_entry tgid_base_stuff[] = {
+ DIR("task", S_IRUGO|S_IXUGO, proc_task_inode_operations, proc_task_operations),
+ DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
+@@ -2705,6 +2732,8 @@ static const struct pid_entry tgid_base_
+ #ifdef CONFIG_CGROUPS
+ REG("cgroup", S_IRUGO, proc_cgroup_operations),
+ #endif
++ INF("vinfo", S_IRUGO, proc_pid_vx_info),
++ INF("ninfo", S_IRUGO, proc_pid_nx_info),
+ INF("oom_score", S_IRUGO, proc_oom_score),
+ REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
+ REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
+@@ -2729,6 +2758,7 @@ static const struct pid_entry tgid_base_
+ REG("gid_map", S_IRUGO|S_IWUSR, proc_gid_map_operations),
+ REG("projid_map", S_IRUGO|S_IWUSR, proc_projid_map_operations),
+ #endif
++ ONE("nsproxy", S_IRUGO, proc_pid_nsproxy),
+ };
+
+ static int proc_tgid_base_readdir(struct file * filp,
+@@ -2923,7 +2953,7 @@ retry:
+ iter.task = NULL;
+ pid = find_ge_pid(iter.tgid, ns);
+ if (pid) {
+- iter.tgid = pid_nr_ns(pid, ns);
++ iter.tgid = pid_unmapped_nr_ns(pid, ns);
+ iter.task = pid_task(pid, PIDTYPE_PID);
+ /* What we to know is if the pid we have find is the
+ * pid of a thread_group_leader. Testing for task
+@@ -2953,7 +2983,7 @@ static int proc_pid_fill_cache(struct fi
+ struct tgid_iter iter)
+ {
+ char name[PROC_NUMBUF];
+- int len = snprintf(name, sizeof(name), "%d", iter.tgid);
++ int len = snprintf(name, sizeof(name), "%d", vx_map_tgid(iter.tgid));
+ return proc_fill_cache(filp, dirent, filldir, name, len,
+ proc_pid_instantiate, iter.task, NULL);
+ }
+@@ -2977,7 +3007,7 @@ int proc_pid_readdir(struct file * filp,
+ goto out_no_task;
+ nr = filp->f_pos - FIRST_PROCESS_ENTRY;
+
+- reaper = get_proc_task(filp->f_path.dentry->d_inode);
++ reaper = get_proc_task_real(filp->f_path.dentry->d_inode);
+ if (!reaper)
+ goto out_no_task;
+
+@@ -2999,6 +3029,8 @@ int proc_pid_readdir(struct file * filp,
+ __filldir = fake_filldir;
+
+ filp->f_pos = iter.tgid + TGID_OFFSET;
++ if (!vx_proc_task_visible(iter.task))
++ continue;
+ if (proc_pid_fill_cache(filp, dirent, __filldir, iter) < 0) {
+ put_task_struct(iter.task);
+ goto out;
+@@ -3161,6 +3193,8 @@ static struct dentry *proc_task_lookup(s
+ tid = name_to_int(dentry);
+ if (tid == ~0U)
+ goto out;
++ if (vx_current_initpid(tid))
++ goto out;
+
+ ns = dentry->d_sb->s_fs_info;
+ rcu_read_lock();
+diff -NurpP --minimal linux-3.7.10/fs/proc/generic.c linux-3.7.10-vs2.3.5.6/fs/proc/generic.c
+--- linux-3.7.10/fs/proc/generic.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/generic.c 2012-12-18 15:13:16.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/bitops.h>
+ #include <linux/spinlock.h>
+ #include <linux/completion.h>
++#include <linux/vserver/inode.h>
+ #include <asm/uaccess.h>
+
+ #include "internal.h"
+@@ -424,11 +425,15 @@ struct dentry *proc_lookup_de(struct pro
+ for (de = de->subdir; de ; de = de->next) {
+ if (de->namelen != dentry->d_name.len)
+ continue;
++ if (!vx_hide_check(0, de->vx_flags))
++ continue;
+ if (!memcmp(dentry->d_name.name, de->name, de->namelen)) {
+ pde_get(de);
+ spin_unlock(&proc_subdir_lock);
+ error = -ENOMEM;
+ inode = proc_get_inode(dir->i_sb, de);
++ /* generic proc entries belong to the host */
++ i_tag_write(inode, 0);
+ goto out_unlock;
+ }
+ }
+@@ -506,6 +511,8 @@ int proc_readdir_de(struct proc_dir_entr
+
+ /* filldir passes info to user space */
+ pde_get(de);
++ if (!vx_hide_check(0, de->vx_flags))
++ goto skip;
+ spin_unlock(&proc_subdir_lock);
+ if (filldir(dirent, de->name, de->namelen, filp->f_pos,
+ de->low_ino, de->mode >> 12) < 0) {
+@@ -513,6 +520,7 @@ int proc_readdir_de(struct proc_dir_entr
+ goto out;
+ }
+ spin_lock(&proc_subdir_lock);
++ skip:
+ filp->f_pos++;
+ next = de->next;
+ pde_put(de);
+@@ -625,6 +633,7 @@ static struct proc_dir_entry *__proc_cre
+ ent->namelen = len;
+ ent->mode = mode;
+ ent->nlink = nlink;
++ ent->vx_flags = IATTR_PROC_DEFAULT;
+ atomic_set(&ent->count, 1);
+ spin_lock_init(&ent->pde_unload_lock);
+ INIT_LIST_HEAD(&ent->pde_openers);
+@@ -648,7 +657,8 @@ struct proc_dir_entry *proc_symlink(cons
+ kfree(ent->data);
+ kfree(ent);
+ ent = NULL;
+- }
++ } else
++ ent->vx_flags = IATTR_PROC_SYMLINK;
+ } else {
+ kfree(ent);
+ ent = NULL;
+diff -NurpP --minimal linux-3.7.10/fs/proc/inode.c linux-3.7.10-vs2.3.5.6/fs/proc/inode.c
+--- linux-3.7.10/fs/proc/inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -457,6 +457,8 @@ struct inode *proc_get_inode(struct supe
+ inode->i_uid = de->uid;
+ inode->i_gid = de->gid;
+ }
++ if (de->vx_flags)
++ PROC_I(inode)->vx_flags = de->vx_flags;
+ if (de->size)
+ inode->i_size = de->size;
+ if (de->nlink)
+diff -NurpP --minimal linux-3.7.10/fs/proc/internal.h linux-3.7.10-vs2.3.5.6/fs/proc/internal.h
+--- linux-3.7.10/fs/proc/internal.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/internal.h 2012-12-18 15:13:16.000000000 +0000
+@@ -11,6 +11,8 @@
+
+ #include <linux/sched.h>
+ #include <linux/proc_fs.h>
++#include <linux/vs_pid.h>
++
+ struct ctl_table_header;
+ struct mempolicy;
+
+@@ -54,6 +56,9 @@ extern int proc_pid_status(struct seq_fi
+ struct pid *pid, struct task_struct *task);
+ extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task);
++extern int proc_pid_nsproxy(struct seq_file *m, struct pid_namespace *ns,
++ struct pid *pid, struct task_struct *task);
++
+ extern loff_t mem_lseek(struct file *file, loff_t offset, int orig);
+
+ extern const struct file_operations proc_tid_children_operations;
+@@ -87,11 +92,16 @@ static inline struct pid *proc_pid(struc
+ return PROC_I(inode)->pid;
+ }
+
+-static inline struct task_struct *get_proc_task(struct inode *inode)
++static inline struct task_struct *get_proc_task_real(struct inode *inode)
+ {
+ return get_pid_task(proc_pid(inode), PIDTYPE_PID);
+ }
+
++static inline struct task_struct *get_proc_task(struct inode *inode)
++{
++ return vx_get_proc_task(inode, proc_pid(inode));
++}
++
+ static inline int proc_fd(struct inode *inode)
+ {
+ return PROC_I(inode)->fd;
+diff -NurpP --minimal linux-3.7.10/fs/proc/loadavg.c linux-3.7.10-vs2.3.5.6/fs/proc/loadavg.c
+--- linux-3.7.10/fs/proc/loadavg.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/loadavg.c 2012-12-18 15:13:16.000000000 +0000
+@@ -12,15 +12,27 @@
+
+ static int loadavg_proc_show(struct seq_file *m, void *v)
+ {
++ unsigned long running;
++ unsigned int threads;
+ unsigned long avnrun[3];
+
+ get_avenrun(avnrun, FIXED_1/200, 0);
+
++ if (vx_flags(VXF_VIRT_LOAD, 0)) {
++ struct vx_info *vxi = current_vx_info();
++
++ running = atomic_read(&vxi->cvirt.nr_running);
++ threads = atomic_read(&vxi->cvirt.nr_threads);
++ } else {
++ running = nr_running();
++ threads = nr_threads;
++ }
++
+ seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %ld/%d %d\n",
+ LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]),
+ LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]),
+ LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]),
+- nr_running(), nr_threads,
++ running, threads,
+ task_active_pid_ns(current)->last_pid);
+ return 0;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/proc/meminfo.c linux-3.7.10-vs2.3.5.6/fs/proc/meminfo.c
+--- linux-3.7.10/fs/proc/meminfo.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/meminfo.c 2012-12-18 15:13:16.000000000 +0000
+@@ -39,7 +39,8 @@ static int meminfo_proc_show(struct seq_
+ allowed = ((totalram_pages - hugetlb_total_pages())
+ * sysctl_overcommit_ratio / 100) + total_swap_pages;
+
+- cached = global_page_state(NR_FILE_PAGES) -
++ cached = vx_flags(VXF_VIRT_MEM, 0) ?
++ vx_vsi_cached(&i) : global_page_state(NR_FILE_PAGES) -
+ total_swapcache_pages - i.bufferram;
+ if (cached < 0)
+ cached = 0;
+diff -NurpP --minimal linux-3.7.10/fs/proc/root.c linux-3.7.10-vs2.3.5.6/fs/proc/root.c
+--- linux-3.7.10/fs/proc/root.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/root.c 2012-12-18 15:13:16.000000000 +0000
+@@ -19,9 +19,14 @@
+ #include <linux/mount.h>
+ #include <linux/pid_namespace.h>
+ #include <linux/parser.h>
++#include <linux/vserver/inode.h>
+
+ #include "internal.h"
+
++struct proc_dir_entry *proc_virtual;
++
++extern void proc_vx_init(void);
++
+ static int proc_test_super(struct super_block *sb, void *data)
+ {
+ return sb->s_fs_info == data;
+@@ -189,6 +194,7 @@ void __init proc_root_init(void)
+ #endif
+ proc_mkdir("bus", NULL);
+ proc_sys_init();
++ proc_vx_init();
+ }
+
+ static int proc_root_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat
+@@ -255,6 +261,7 @@ struct proc_dir_entry proc_root = {
+ .proc_iops = &proc_root_inode_operations,
+ .proc_fops = &proc_root_operations,
+ .parent = &proc_root,
++ .vx_flags = IATTR_ADMIN | IATTR_WATCH,
+ .name = "/proc",
+ };
+
+diff -NurpP --minimal linux-3.7.10/fs/proc/stat.c linux-3.7.10-vs2.3.5.6/fs/proc/stat.c
+--- linux-3.7.10/fs/proc/stat.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/stat.c 2012-12-18 15:13:16.000000000 +0000
+@@ -9,8 +9,10 @@
+ #include <linux/slab.h>
+ #include <linux/time.h>
+ #include <linux/irqnr.h>
++#include <linux/vserver/cvirt.h>
+ #include <asm/cputime.h>
+ #include <linux/tick.h>
++#include <linux/cpuset.h>
+
+ #ifndef arch_irq_stat_cpu
+ #define arch_irq_stat_cpu(cpu) 0
+@@ -87,14 +89,26 @@ static int show_stat(struct seq_file *p,
+ u64 sum_softirq = 0;
+ unsigned int per_softirq_sums[NR_SOFTIRQS] = {0};
+ struct timespec boottime;
++ cpumask_var_t cpus_allowed;
++ bool virt_cpu = vx_flags(VXF_VIRT_CPU, 0);
+
+ user = nice = system = idle = iowait =
+ irq = softirq = steal = 0;
+ guest = guest_nice = 0;
+ getboottime(&boottime);
++
++ if (vx_flags(VXF_VIRT_UPTIME, 0))
++ vx_vsi_boottime(&boottime);
++
++ if (virt_cpu)
++ cpuset_cpus_allowed(current, cpus_allowed);
++
+ jif = boottime.tv_sec;
+
+ for_each_possible_cpu(i) {
++ if (virt_cpu && !cpumask_test_cpu(i, cpus_allowed))
++ continue;
++
+ user += kcpustat_cpu(i).cpustat[CPUTIME_USER];
+ nice += kcpustat_cpu(i).cpustat[CPUTIME_NICE];
+ system += kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM];
+@@ -131,6 +145,9 @@ static int show_stat(struct seq_file *p,
+ seq_putc(p, '\n');
+
+ for_each_online_cpu(i) {
++ if (virt_cpu && !cpumask_test_cpu(i, cpus_allowed))
++ continue;
++
+ /* Copy values here to work around gcc-2.95.3, gcc-2.96 */
+ user = kcpustat_cpu(i).cpustat[CPUTIME_USER];
+ nice = kcpustat_cpu(i).cpustat[CPUTIME_NICE];
+diff -NurpP --minimal linux-3.7.10/fs/proc/uptime.c linux-3.7.10-vs2.3.5.6/fs/proc/uptime.c
+--- linux-3.7.10/fs/proc/uptime.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc/uptime.c 2012-12-18 15:13:16.000000000 +0000
+@@ -5,6 +5,7 @@
+ #include <linux/seq_file.h>
+ #include <linux/time.h>
+ #include <linux/kernel_stat.h>
++#include <linux/vserver/cvirt.h>
+ #include <asm/cputime.h>
+
+ static int uptime_proc_show(struct seq_file *m, void *v)
+@@ -25,6 +26,10 @@ static int uptime_proc_show(struct seq_f
+ nsec = cputime64_to_jiffies64(idletime) * TICK_NSEC;
+ idle.tv_sec = div_u64_rem(nsec, NSEC_PER_SEC, &rem);
+ idle.tv_nsec = rem;
++
++ if (vx_flags(VXF_VIRT_UPTIME, 0))
++ vx_vsi_uptime(&uptime, &idle);
++
+ seq_printf(m, "%lu.%02lu %lu.%02lu\n",
+ (unsigned long) uptime.tv_sec,
+ (uptime.tv_nsec / (NSEC_PER_SEC / 100)),
+diff -NurpP --minimal linux-3.7.10/fs/proc_namespace.c linux-3.7.10-vs2.3.5.6/fs/proc_namespace.c
+--- linux-3.7.10/fs/proc_namespace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/proc_namespace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -44,6 +44,8 @@ static int show_sb_opts(struct seq_file
+ { MS_SYNCHRONOUS, ",sync" },
+ { MS_DIRSYNC, ",dirsync" },
+ { MS_MANDLOCK, ",mand" },
++ { MS_TAGGED, ",tag" },
++ { MS_NOTAGCHECK, ",notagcheck" },
+ { 0, NULL }
+ };
+ const struct proc_fs_info *fs_infop;
+@@ -80,6 +82,40 @@ static inline void mangle(struct seq_fil
+ seq_escape(m, s, " \t\n\\");
+ }
+
++#ifdef CONFIG_VSERVER_EXTRA_MNT_CHECK
++
++static int mnt_is_reachable(struct vfsmount *vfsmnt)
++{
++ struct path root;
++ struct dentry *point;
++ struct mount *mnt = real_mount(vfsmnt);
++ struct mount *root_mnt;
++ int ret;
++
++ if (mnt == mnt->mnt_ns->root)
++ return 1;
++
++ br_read_lock(&vfsmount_lock);
++ root = current->fs->root;
++ root_mnt = real_mount(root.mnt);
++ point = root.dentry;
++
++ while ((mnt != mnt->mnt_parent) && (mnt != root_mnt)) {
++ point = mnt->mnt_mountpoint;
++ mnt = mnt->mnt_parent;
++ }
++
++ ret = (mnt == root_mnt) && is_subdir(point, root.dentry);
++
++ br_read_unlock(&vfsmount_lock);
++
++ return ret;
++}
++
++#else
++#define mnt_is_reachable(v) (1)
++#endif
++
+ static void show_type(struct seq_file *m, struct super_block *sb)
+ {
+ mangle(m, sb->s_type->name);
+@@ -96,6 +132,17 @@ static int show_vfsmnt(struct seq_file *
+ struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt };
+ struct super_block *sb = mnt_path.dentry->d_sb;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
++ if (!vx_check(0, VS_ADMIN|VS_WATCH) &&
++ mnt == current->fs->root.mnt) {
++ seq_puts(m, "/dev/root / ");
++ goto type;
++ }
++
+ if (sb->s_op->show_devname) {
+ err = sb->s_op->show_devname(m, mnt_path.dentry);
+ if (err)
+@@ -106,6 +153,7 @@ static int show_vfsmnt(struct seq_file *
+ seq_putc(m, ' ');
+ seq_path(m, &mnt_path, " \t\n\\");
+ seq_putc(m, ' ');
++type:
+ show_type(m, sb);
+ seq_puts(m, __mnt_is_readonly(mnt) ? " ro" : " rw");
+ err = show_sb_opts(m, sb);
+@@ -128,6 +176,11 @@ static int show_mountinfo(struct seq_fil
+ struct path root = p->root;
+ int err = 0;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
+ seq_printf(m, "%i %i %u:%u ", r->mnt_id, r->mnt_parent->mnt_id,
+ MAJOR(sb->s_dev), MINOR(sb->s_dev));
+ if (sb->s_op->show_path)
+@@ -187,6 +240,17 @@ static int show_vfsstat(struct seq_file
+ struct super_block *sb = mnt_path.dentry->d_sb;
+ int err = 0;
+
++ if (vx_flags(VXF_HIDE_MOUNT, 0))
++ return SEQ_SKIP;
++ if (!mnt_is_reachable(mnt) && !vx_check(0, VS_WATCH_P))
++ return SEQ_SKIP;
++
++ if (!vx_check(0, VS_ADMIN|VS_WATCH) &&
++ mnt == current->fs->root.mnt) {
++ seq_puts(m, "device /dev/root mounted on / ");
++ goto type;
++ }
++
+ /* device */
+ if (sb->s_op->show_devname) {
+ seq_puts(m, "device ");
+@@ -203,7 +267,7 @@ static int show_vfsstat(struct seq_file
+ seq_puts(m, " mounted on ");
+ seq_path(m, &mnt_path, " \t\n\\");
+ seq_putc(m, ' ');
+-
++type:
+ /* file system type */
+ seq_puts(m, "with fstype ");
+ show_type(m, sb);
+diff -NurpP --minimal linux-3.7.10/fs/quota/dquot.c linux-3.7.10-vs2.3.5.6/fs/quota/dquot.c
+--- linux-3.7.10/fs/quota/dquot.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/quota/dquot.c 2012-12-18 15:13:16.000000000 +0000
+@@ -1582,6 +1582,9 @@ int __dquot_alloc_space(struct inode *in
+ struct dquot **dquots = inode->i_dquot;
+ int reserve = flags & DQUOT_SPACE_RESERVE;
+
++ if ((ret = dl_alloc_space(inode, number)))
++ return ret;
++
+ /*
+ * First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex
+@@ -1637,6 +1640,9 @@ int dquot_alloc_inode(const struct inode
+ struct dquot_warn warn[MAXQUOTAS];
+ struct dquot * const *dquots = inode->i_dquot;
+
++ if ((ret = dl_alloc_inode(inode)))
++ return ret;
++
+ /* First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex */
+ if (!dquot_active(inode))
+@@ -1708,6 +1714,8 @@ void __dquot_free_space(struct inode *in
+ struct dquot **dquots = inode->i_dquot;
+ int reserve = flags & DQUOT_SPACE_RESERVE;
+
++ dl_free_space(inode, number);
++
+ /* First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex */
+ if (!dquot_active(inode)) {
+@@ -1752,6 +1760,8 @@ void dquot_free_inode(const struct inode
+ struct dquot_warn warn[MAXQUOTAS];
+ struct dquot * const *dquots = inode->i_dquot;
+
++ dl_free_inode(inode);
++
+ /* First test before acquiring mutex - solves deadlocks when we
+ * re-enter the quota code and are already holding the mutex */
+ if (!dquot_active(inode))
+diff -NurpP --minimal linux-3.7.10/fs/quota/quota.c linux-3.7.10-vs2.3.5.6/fs/quota/quota.c
+--- linux-3.7.10/fs/quota/quota.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/quota/quota.c 2012-12-18 15:13:16.000000000 +0000
+@@ -8,6 +8,7 @@
+ #include <linux/fs.h>
+ #include <linux/namei.h>
+ #include <linux/slab.h>
++#include <linux/vs_context.h>
+ #include <asm/current.h>
+ #include <linux/uaccess.h>
+ #include <linux/kernel.h>
+@@ -37,7 +38,7 @@ static int check_quotactl_permission(str
+ break;
+ /*FALLTHROUGH*/
+ default:
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_QUOTA_CTL))
+ return -EPERM;
+ }
+
+@@ -307,6 +308,46 @@ static int do_quotactl(struct super_bloc
+ }
+ }
+
++#if defined(CONFIG_BLK_DEV_VROOT) || defined(CONFIG_BLK_DEV_VROOT_MODULE)
++
++#include <linux/vroot.h>
++#include <linux/major.h>
++#include <linux/module.h>
++#include <linux/kallsyms.h>
++#include <linux/vserver/debug.h>
++
++static vroot_grb_func *vroot_get_real_bdev = NULL;
++
++static DEFINE_SPINLOCK(vroot_grb_lock);
++
++int register_vroot_grb(vroot_grb_func *func) {
++ int ret = -EBUSY;
++
++ spin_lock(&vroot_grb_lock);
++ if (!vroot_get_real_bdev) {
++ vroot_get_real_bdev = func;
++ ret = 0;
++ }
++ spin_unlock(&vroot_grb_lock);
++ return ret;
++}
++EXPORT_SYMBOL(register_vroot_grb);
++
++int unregister_vroot_grb(vroot_grb_func *func) {
++ int ret = -EINVAL;
++
++ spin_lock(&vroot_grb_lock);
++ if (vroot_get_real_bdev) {
++ vroot_get_real_bdev = NULL;
++ ret = 0;
++ }
++ spin_unlock(&vroot_grb_lock);
++ return ret;
++}
++EXPORT_SYMBOL(unregister_vroot_grb);
++
++#endif
++
+ /* Return 1 if 'cmd' will block on frozen filesystem */
+ static int quotactl_cmd_write(int cmd)
+ {
+@@ -339,6 +380,22 @@ static struct super_block *quotactl_bloc
+ putname(tmp);
+ if (IS_ERR(bdev))
+ return ERR_CAST(bdev);
++#if defined(CONFIG_BLK_DEV_VROOT) || defined(CONFIG_BLK_DEV_VROOT_MODULE)
++ if (bdev && bdev->bd_inode &&
++ imajor(bdev->bd_inode) == VROOT_MAJOR) {
++ struct block_device *bdnew = (void *)-EINVAL;
++
++ if (vroot_get_real_bdev)
++ bdnew = vroot_get_real_bdev(bdev);
++ else
++ vxdprintk(VXD_CBIT(misc, 0),
++ "vroot_get_real_bdev not set");
++ bdput(bdev);
++ if (IS_ERR(bdnew))
++ return ERR_PTR(PTR_ERR(bdnew));
++ bdev = bdnew;
++ }
++#endif
+ if (quotactl_cmd_write(cmd))
+ sb = get_super_thawed(bdev);
+ else
+diff -NurpP --minimal linux-3.7.10/fs/stat.c linux-3.7.10-vs2.3.5.6/fs/stat.c
+--- linux-3.7.10/fs/stat.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/stat.c 2012-12-18 15:13:16.000000000 +0000
+@@ -26,6 +26,7 @@ void generic_fillattr(struct inode *inod
+ stat->nlink = inode->i_nlink;
+ stat->uid = inode->i_uid;
+ stat->gid = inode->i_gid;
++ stat->tag = inode->i_tag;
+ stat->rdev = inode->i_rdev;
+ stat->size = i_size_read(inode);
+ stat->atime = inode->i_atime;
+diff -NurpP --minimal linux-3.7.10/fs/statfs.c linux-3.7.10-vs2.3.5.6/fs/statfs.c
+--- linux-3.7.10/fs/statfs.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/statfs.c 2012-12-18 15:13:16.000000000 +0000
+@@ -7,6 +7,8 @@
+ #include <linux/statfs.h>
+ #include <linux/security.h>
+ #include <linux/uaccess.h>
++#include <linux/vs_base.h>
++#include <linux/vs_dlimit.h>
+ #include "internal.h"
+
+ static int flags_by_mnt(int mnt_flags)
+@@ -60,6 +62,8 @@ static int statfs_by_dentry(struct dentr
+ retval = dentry->d_sb->s_op->statfs(dentry, buf);
+ if (retval == 0 && buf->f_frsize == 0)
+ buf->f_frsize = buf->f_bsize;
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ vx_vsi_statfs(dentry->d_sb, buf);
+ return retval;
+ }
+
+diff -NurpP --minimal linux-3.7.10/fs/super.c linux-3.7.10-vs2.3.5.6/fs/super.c
+--- linux-3.7.10/fs/super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -34,6 +34,8 @@
+ #include <linux/cleancache.h>
+ #include <linux/fsnotify.h>
+ #include <linux/lockdep.h>
++#include <linux/magic.h>
++#include <linux/vs_context.h>
+ #include "internal.h"
+
+
+@@ -1119,6 +1121,13 @@ mount_fs(struct file_system_type *type,
+ WARN_ON(sb->s_bdi == &default_backing_dev_info);
+ sb->s_flags |= MS_BORN;
+
++ error = -EPERM;
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_BINARY_MOUNT) &&
++ !sb->s_bdev &&
++ (sb->s_magic != PROC_SUPER_MAGIC) &&
++ (sb->s_magic != DEVPTS_SUPER_MAGIC))
++ goto out_sb;
++
+ error = security_sb_kern_mount(sb, flags, secdata);
+ if (error)
+ goto out_sb;
+diff -NurpP --minimal linux-3.7.10/fs/sysfs/mount.c linux-3.7.10-vs2.3.5.6/fs/sysfs/mount.c
+--- linux-3.7.10/fs/sysfs/mount.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/sysfs/mount.c 2012-12-18 15:13:16.000000000 +0000
+@@ -47,7 +47,7 @@ static int sysfs_fill_super(struct super
+
+ sb->s_blocksize = PAGE_CACHE_SIZE;
+ sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+- sb->s_magic = SYSFS_MAGIC;
++ sb->s_magic = SYSFS_SUPER_MAGIC;
+ sb->s_op = &sysfs_ops;
+ sb->s_time_gran = 1;
+
+diff -NurpP --minimal linux-3.7.10/fs/utimes.c linux-3.7.10-vs2.3.5.6/fs/utimes.c
+--- linux-3.7.10/fs/utimes.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/utimes.c 2012-12-18 15:13:16.000000000 +0000
+@@ -8,6 +8,8 @@
+ #include <linux/stat.h>
+ #include <linux/utime.h>
+ #include <linux/syscalls.h>
++#include <linux/mount.h>
++#include <linux/vs_cowbl.h>
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+
+@@ -52,12 +54,18 @@ static int utimes_common(struct path *pa
+ {
+ int error;
+ struct iattr newattrs;
+- struct inode *inode = path->dentry->d_inode;
++ struct inode *inode;
+
+ error = mnt_want_write(path->mnt);
+ if (error)
+ goto out;
+
++ error = cow_check_and_break(path);
++ if (error)
++ goto mnt_drop_write_and_out;
++
++ inode = path->dentry->d_inode;
++
+ if (times && times[0].tv_nsec == UTIME_NOW &&
+ times[1].tv_nsec == UTIME_NOW)
+ times = NULL;
+diff -NurpP --minimal linux-3.7.10/fs/xattr.c linux-3.7.10-vs2.3.5.6/fs/xattr.c
+--- linux-3.7.10/fs/xattr.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xattr.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/audit.h>
+ #include <linux/vmalloc.h>
+ #include <linux/posix_acl_xattr.h>
++#include <linux/mount.h>
+
+ #include <asm/uaccess.h>
+
+@@ -52,7 +53,7 @@ xattr_permission(struct inode *inode, co
+ * The trusted.* namespace can only be accessed by privileged users.
+ */
+ if (!strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN)) {
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_capable(CAP_SYS_ADMIN, VXC_FS_TRUSTED))
+ return (mask & MAY_WRITE) ? -EPERM : -ENODATA;
+ return 0;
+ }
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_dinode.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_dinode.h
+--- linux-3.7.10/fs/xfs/xfs_dinode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_dinode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -51,7 +51,9 @@ typedef struct xfs_dinode {
+ __be32 di_nlink; /* number of links to file */
+ __be16 di_projid_lo; /* lower part of owner's project id */
+ __be16 di_projid_hi; /* higher part owner's project id */
+- __u8 di_pad[6]; /* unused, zeroed space */
++ __u8 di_pad[2]; /* unused, zeroed space */
++ __be16 di_tag; /* context tagging */
++ __be16 di_vflags; /* vserver specific flags */
+ __be16 di_flushiter; /* incremented on flush */
+ xfs_timestamp_t di_atime; /* time last accessed */
+ xfs_timestamp_t di_mtime; /* time last modified */
+@@ -184,6 +186,8 @@ static inline void xfs_dinode_put_rdev(s
+ #define XFS_DIFLAG_EXTSZINHERIT_BIT 12 /* inherit inode extent size */
+ #define XFS_DIFLAG_NODEFRAG_BIT 13 /* do not reorganize/defragment */
+ #define XFS_DIFLAG_FILESTREAM_BIT 14 /* use filestream allocator */
++#define XFS_DIFLAG_IXUNLINK_BIT 15 /* Immutable inver on unlink */
++
+ #define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT)
+ #define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT)
+ #define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT)
+@@ -199,6 +203,7 @@ static inline void xfs_dinode_put_rdev(s
+ #define XFS_DIFLAG_EXTSZINHERIT (1 << XFS_DIFLAG_EXTSZINHERIT_BIT)
+ #define XFS_DIFLAG_NODEFRAG (1 << XFS_DIFLAG_NODEFRAG_BIT)
+ #define XFS_DIFLAG_FILESTREAM (1 << XFS_DIFLAG_FILESTREAM_BIT)
++#define XFS_DIFLAG_IXUNLINK (1 << XFS_DIFLAG_IXUNLINK_BIT)
+
+ #ifdef CONFIG_XFS_RT
+ #define XFS_IS_REALTIME_INODE(ip) ((ip)->i_d.di_flags & XFS_DIFLAG_REALTIME)
+@@ -211,6 +216,10 @@ static inline void xfs_dinode_put_rdev(s
+ XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \
+ XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \
+ XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS | XFS_DIFLAG_EXTSIZE | \
+- XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM)
++ XFS_DIFLAG_EXTSZINHERIT | XFS_DIFLAG_NODEFRAG | XFS_DIFLAG_FILESTREAM | \
++ XFS_DIFLAG_IXUNLINK)
++
++#define XFS_DIVFLAG_BARRIER 0x01
++#define XFS_DIVFLAG_COW 0x02
+
+ #endif /* __XFS_DINODE_H__ */
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_fs.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_fs.h
+--- linux-3.7.10/fs/xfs/xfs_fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -67,6 +67,9 @@ struct fsxattr {
+ #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
+ #define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
+ #define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
++#define XFS_XFLAG_IXUNLINK 0x00008000 /* immutable invert on unlink */
++#define XFS_XFLAG_BARRIER 0x10000000 /* chroot() barrier */
++#define XFS_XFLAG_COW 0x20000000 /* copy on write mark */
+ #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
+
+ /*
+@@ -302,7 +305,8 @@ typedef struct xfs_bstat {
+ #define bs_projid bs_projid_lo /* (previously just bs_projid) */
+ __u16 bs_forkoff; /* inode fork offset in bytes */
+ __u16 bs_projid_hi; /* higher part of project id */
+- unsigned char bs_pad[10]; /* pad space, unused */
++ unsigned char bs_pad[8]; /* pad space, unused */
++ __u16 bs_tag; /* context tagging */
+ __u32 bs_dmevmask; /* DMIG event mask */
+ __u16 bs_dmstate; /* DMIG state info */
+ __u16 bs_aextents; /* attribute number of extents */
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_ialloc.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ialloc.c
+--- linux-3.7.10/fs/xfs/xfs_ialloc.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ialloc.c 2012-12-18 15:13:16.000000000 +0000
+@@ -37,7 +37,6 @@
+ #include "xfs_error.h"
+ #include "xfs_bmap.h"
+
+-
+ /*
+ * Allocation group level functions.
+ */
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_inode.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_inode.c
+--- linux-3.7.10/fs/xfs/xfs_inode.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -16,6 +16,7 @@
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+ #include <linux/log2.h>
++#include <linux/vs_tag.h>
+
+ #include "xfs.h"
+ #include "xfs_fs.h"
+@@ -563,15 +564,25 @@ xfs_iformat_btree(
+ STATIC void
+ xfs_dinode_from_disk(
+ xfs_icdinode_t *to,
+- xfs_dinode_t *from)
++ xfs_dinode_t *from,
++ int tagged)
+ {
++ uint32_t uid, gid, tag;
++
+ to->di_magic = be16_to_cpu(from->di_magic);
+ to->di_mode = be16_to_cpu(from->di_mode);
+ to->di_version = from ->di_version;
+ to->di_format = from->di_format;
+ to->di_onlink = be16_to_cpu(from->di_onlink);
+- to->di_uid = be32_to_cpu(from->di_uid);
+- to->di_gid = be32_to_cpu(from->di_gid);
++
++ uid = be32_to_cpu(from->di_uid);
++ gid = be32_to_cpu(from->di_gid);
++ tag = be16_to_cpu(from->di_tag);
++
++ to->di_uid = INOTAG_UID(tagged, uid, gid);
++ to->di_gid = INOTAG_GID(tagged, uid, gid);
++ to->di_tag = INOTAG_TAG(tagged, uid, gid, tag);
++
+ to->di_nlink = be32_to_cpu(from->di_nlink);
+ to->di_projid_lo = be16_to_cpu(from->di_projid_lo);
+ to->di_projid_hi = be16_to_cpu(from->di_projid_hi);
+@@ -593,21 +604,26 @@ xfs_dinode_from_disk(
+ to->di_dmevmask = be32_to_cpu(from->di_dmevmask);
+ to->di_dmstate = be16_to_cpu(from->di_dmstate);
+ to->di_flags = be16_to_cpu(from->di_flags);
++ to->di_vflags = be16_to_cpu(from->di_vflags);
+ to->di_gen = be32_to_cpu(from->di_gen);
+ }
+
+ void
+ xfs_dinode_to_disk(
+ xfs_dinode_t *to,
+- xfs_icdinode_t *from)
++ xfs_icdinode_t *from,
++ int tagged)
+ {
+ to->di_magic = cpu_to_be16(from->di_magic);
+ to->di_mode = cpu_to_be16(from->di_mode);
+ to->di_version = from ->di_version;
+ to->di_format = from->di_format;
+ to->di_onlink = cpu_to_be16(from->di_onlink);
+- to->di_uid = cpu_to_be32(from->di_uid);
+- to->di_gid = cpu_to_be32(from->di_gid);
++
++ to->di_uid = cpu_to_be32(TAGINO_UID(tagged, from->di_uid, from->di_tag));
++ to->di_gid = cpu_to_be32(TAGINO_GID(tagged, from->di_gid, from->di_tag));
++ to->di_tag = cpu_to_be16(TAGINO_TAG(tagged, from->di_tag));
++
+ to->di_nlink = cpu_to_be32(from->di_nlink);
+ to->di_projid_lo = cpu_to_be16(from->di_projid_lo);
+ to->di_projid_hi = cpu_to_be16(from->di_projid_hi);
+@@ -629,12 +645,14 @@ xfs_dinode_to_disk(
+ to->di_dmevmask = cpu_to_be32(from->di_dmevmask);
+ to->di_dmstate = cpu_to_be16(from->di_dmstate);
+ to->di_flags = cpu_to_be16(from->di_flags);
++ to->di_vflags = cpu_to_be16(from->di_vflags);
+ to->di_gen = cpu_to_be32(from->di_gen);
+ }
+
+ STATIC uint
+ _xfs_dic2xflags(
+- __uint16_t di_flags)
++ __uint16_t di_flags,
++ __uint16_t di_vflags)
+ {
+ uint flags = 0;
+
+@@ -645,6 +663,8 @@ _xfs_dic2xflags(
+ flags |= XFS_XFLAG_PREALLOC;
+ if (di_flags & XFS_DIFLAG_IMMUTABLE)
+ flags |= XFS_XFLAG_IMMUTABLE;
++ if (di_flags & XFS_DIFLAG_IXUNLINK)
++ flags |= XFS_XFLAG_IXUNLINK;
+ if (di_flags & XFS_DIFLAG_APPEND)
+ flags |= XFS_XFLAG_APPEND;
+ if (di_flags & XFS_DIFLAG_SYNC)
+@@ -669,6 +689,10 @@ _xfs_dic2xflags(
+ flags |= XFS_XFLAG_FILESTREAM;
+ }
+
++ if (di_vflags & XFS_DIVFLAG_BARRIER)
++ flags |= FS_BARRIER_FL;
++ if (di_vflags & XFS_DIVFLAG_COW)
++ flags |= FS_COW_FL;
+ return flags;
+ }
+
+@@ -678,7 +702,7 @@ xfs_ip2xflags(
+ {
+ xfs_icdinode_t *dic = &ip->i_d;
+
+- return _xfs_dic2xflags(dic->di_flags) |
++ return _xfs_dic2xflags(dic->di_flags, dic->di_vflags) |
+ (XFS_IFORK_Q(ip) ? XFS_XFLAG_HASATTR : 0);
+ }
+
+@@ -686,7 +710,8 @@ uint
+ xfs_dic2xflags(
+ xfs_dinode_t *dip)
+ {
+- return _xfs_dic2xflags(be16_to_cpu(dip->di_flags)) |
++ return _xfs_dic2xflags(be16_to_cpu(dip->di_flags),
++ be16_to_cpu(dip->di_vflags)) |
+ (XFS_DFORK_Q(dip) ? XFS_XFLAG_HASATTR : 0);
+ }
+
+@@ -740,7 +765,8 @@ xfs_iread(
+ * Otherwise, just get the truly permanent information.
+ */
+ if (dip->di_mode) {
+- xfs_dinode_from_disk(&ip->i_d, dip);
++ xfs_dinode_from_disk(&ip->i_d, dip,
++ mp->m_flags & XFS_MOUNT_TAGGED);
+ error = xfs_iformat(ip, dip);
+ if (error) {
+ #ifdef DEBUG
+@@ -927,6 +953,7 @@ xfs_ialloc(
+ ASSERT(ip->i_d.di_nlink == nlink);
+ ip->i_d.di_uid = current_fsuid();
+ ip->i_d.di_gid = current_fsgid();
++ ip->i_d.di_tag = current_fstag(&ip->i_vnode);
+ xfs_set_projid(ip, prid);
+ memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
+
+@@ -986,6 +1013,7 @@ xfs_ialloc(
+ ip->i_d.di_dmevmask = 0;
+ ip->i_d.di_dmstate = 0;
+ ip->i_d.di_flags = 0;
++ ip->i_d.di_vflags = 0;
+ flags = XFS_ILOG_CORE;
+ switch (mode & S_IFMT) {
+ case S_IFIFO:
+@@ -1668,6 +1696,7 @@ xfs_ifree(
+ }
+ ip->i_d.di_mode = 0; /* mark incore inode as free */
+ ip->i_d.di_flags = 0;
++ ip->i_d.di_vflags = 0;
+ ip->i_d.di_dmevmask = 0;
+ ip->i_d.di_forkoff = 0; /* mark the attr fork not in use */
+ ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS;
+@@ -1834,7 +1863,6 @@ xfs_iroot_realloc(
+ return;
+ }
+
+-
+ /*
+ * This is called when the amount of space needed for if_data
+ * is increased or decreased. The change in size is indicated by
+@@ -2522,7 +2550,8 @@ xfs_iflush_int(
+ * because if the inode is dirty at all the core must
+ * be.
+ */
+- xfs_dinode_to_disk(dip, &ip->i_d);
++ xfs_dinode_to_disk(dip, &ip->i_d,
++ mp->m_flags & XFS_MOUNT_TAGGED);
+
+ /* Wrap, we never let the log put out DI_MAX_FLUSH */
+ if (ip->i_d.di_flushiter == DI_MAX_FLUSH)
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_inode.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_inode.h
+--- linux-3.7.10/fs/xfs/xfs_inode.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -134,7 +134,9 @@ typedef struct xfs_icdinode {
+ __uint32_t di_nlink; /* number of links to file */
+ __uint16_t di_projid_lo; /* lower part of owner's project id */
+ __uint16_t di_projid_hi; /* higher part of owner's project id */
+- __uint8_t di_pad[6]; /* unused, zeroed space */
++ __uint8_t di_pad[2]; /* unused, zeroed space */
++ __uint16_t di_tag; /* context tagging */
++ __uint16_t di_vflags; /* vserver specific flags */
+ __uint16_t di_flushiter; /* incremented on flush */
+ xfs_ictimestamp_t di_atime; /* time last accessed */
+ xfs_ictimestamp_t di_mtime; /* time last modified */
+@@ -561,7 +563,7 @@ int xfs_imap_to_bp(struct xfs_mount *,
+ int xfs_iread(struct xfs_mount *, struct xfs_trans *,
+ struct xfs_inode *, uint);
+ void xfs_dinode_to_disk(struct xfs_dinode *,
+- struct xfs_icdinode *);
++ struct xfs_icdinode *, int);
+ void xfs_idestroy_fork(struct xfs_inode *, int);
+ void xfs_idata_realloc(struct xfs_inode *, int, int);
+ void xfs_iroot_realloc(struct xfs_inode *, int, int);
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_ioctl.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ioctl.c
+--- linux-3.7.10/fs/xfs/xfs_ioctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ioctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -26,7 +26,7 @@
+ #include "xfs_bmap_btree.h"
+ #include "xfs_dinode.h"
+ #include "xfs_inode.h"
+-#include "xfs_ioctl.h"
++// #include "xfs_ioctl.h"
+ #include "xfs_rtalloc.h"
+ #include "xfs_itable.h"
+ #include "xfs_error.h"
+@@ -762,6 +762,10 @@ xfs_merge_ioc_xflags(
+ xflags |= XFS_XFLAG_IMMUTABLE;
+ else
+ xflags &= ~XFS_XFLAG_IMMUTABLE;
++ if (flags & FS_IXUNLINK_FL)
++ xflags |= XFS_XFLAG_IXUNLINK;
++ else
++ xflags &= ~XFS_XFLAG_IXUNLINK;
+ if (flags & FS_APPEND_FL)
+ xflags |= XFS_XFLAG_APPEND;
+ else
+@@ -790,6 +794,8 @@ xfs_di2lxflags(
+
+ if (di_flags & XFS_DIFLAG_IMMUTABLE)
+ flags |= FS_IMMUTABLE_FL;
++ if (di_flags & XFS_DIFLAG_IXUNLINK)
++ flags |= FS_IXUNLINK_FL;
+ if (di_flags & XFS_DIFLAG_APPEND)
+ flags |= FS_APPEND_FL;
+ if (di_flags & XFS_DIFLAG_SYNC)
+@@ -850,6 +856,8 @@ xfs_set_diflags(
+ di_flags = (ip->i_d.di_flags & XFS_DIFLAG_PREALLOC);
+ if (xflags & XFS_XFLAG_IMMUTABLE)
+ di_flags |= XFS_DIFLAG_IMMUTABLE;
++ if (xflags & XFS_XFLAG_IXUNLINK)
++ di_flags |= XFS_DIFLAG_IXUNLINK;
+ if (xflags & XFS_XFLAG_APPEND)
+ di_flags |= XFS_DIFLAG_APPEND;
+ if (xflags & XFS_XFLAG_SYNC)
+@@ -892,6 +900,10 @@ xfs_diflags_to_linux(
+ inode->i_flags |= S_IMMUTABLE;
+ else
+ inode->i_flags &= ~S_IMMUTABLE;
++ if (xflags & XFS_XFLAG_IXUNLINK)
++ inode->i_flags |= S_IXUNLINK;
++ else
++ inode->i_flags &= ~S_IXUNLINK;
+ if (xflags & XFS_XFLAG_APPEND)
+ inode->i_flags |= S_APPEND;
+ else
+@@ -1396,10 +1408,18 @@ xfs_file_ioctl(
+ case XFS_IOC_FSGETXATTRA:
+ return xfs_ioc_fsgetxattr(ip, 1, arg);
+ case XFS_IOC_FSSETXATTR:
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -XFS_ERROR(EACCES);
++ }
+ return xfs_ioc_fssetxattr(ip, filp, arg);
+ case XFS_IOC_GETXFLAGS:
+ return xfs_ioc_getxflags(ip, arg);
+ case XFS_IOC_SETXFLAGS:
++ if (IS_BARRIER(inode)) {
++ vxwprintk_task(1, "messing with the barrier.");
++ return -XFS_ERROR(EACCES);
++ }
+ return xfs_ioc_setxflags(ip, filp, arg);
+
+ case XFS_IOC_FSSETDM: {
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_ioctl.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ioctl.h
+--- linux-3.7.10/fs/xfs/xfs_ioctl.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_ioctl.h 2012-12-18 15:13:16.000000000 +0000
+@@ -70,6 +70,12 @@ xfs_handle_to_dentry(
+ void __user *uhandle,
+ u32 hlen);
+
++extern int
++xfs_sync_flags(
++ struct inode *inode,
++ int flags,
++ int vflags);
++
+ extern long
+ xfs_file_ioctl(
+ struct file *filp,
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_iops.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_iops.c
+--- linux-3.7.10/fs/xfs/xfs_iops.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_iops.c 2012-12-18 15:13:16.000000000 +0000
+@@ -28,6 +28,7 @@
+ #include "xfs_bmap_btree.h"
+ #include "xfs_dinode.h"
+ #include "xfs_inode.h"
++#include "xfs_ioctl.h"
+ #include "xfs_bmap.h"
+ #include "xfs_rtalloc.h"
+ #include "xfs_error.h"
+@@ -46,6 +47,7 @@
+ #include <linux/security.h>
+ #include <linux/fiemap.h>
+ #include <linux/slab.h>
++#include <linux/vs_tag.h>
+
+ static int
+ xfs_initxattrs(
+@@ -421,6 +423,7 @@ xfs_vn_getattr(
+ stat->nlink = ip->i_d.di_nlink;
+ stat->uid = ip->i_d.di_uid;
+ stat->gid = ip->i_d.di_gid;
++ stat->tag = ip->i_d.di_tag;
+ stat->ino = ip->i_ino;
+ stat->atime = inode->i_atime;
+ stat->mtime = inode->i_mtime;
+@@ -1033,6 +1036,7 @@ static const struct inode_operations xfs
+ .listxattr = xfs_vn_listxattr,
+ .fiemap = xfs_vn_fiemap,
+ .update_time = xfs_vn_update_time,
++ .sync_flags = xfs_sync_flags,
+ };
+
+ static const struct inode_operations xfs_dir_inode_operations = {
+@@ -1059,6 +1063,7 @@ static const struct inode_operations xfs
+ .removexattr = generic_removexattr,
+ .listxattr = xfs_vn_listxattr,
+ .update_time = xfs_vn_update_time,
++ .sync_flags = xfs_sync_flags,
+ };
+
+ static const struct inode_operations xfs_dir_ci_inode_operations = {
+@@ -1110,6 +1115,10 @@ xfs_diflags_to_iflags(
+ inode->i_flags |= S_IMMUTABLE;
+ else
+ inode->i_flags &= ~S_IMMUTABLE;
++ if (ip->i_d.di_flags & XFS_DIFLAG_IXUNLINK)
++ inode->i_flags |= S_IXUNLINK;
++ else
++ inode->i_flags &= ~S_IXUNLINK;
+ if (ip->i_d.di_flags & XFS_DIFLAG_APPEND)
+ inode->i_flags |= S_APPEND;
+ else
+@@ -1122,6 +1131,15 @@ xfs_diflags_to_iflags(
+ inode->i_flags |= S_NOATIME;
+ else
+ inode->i_flags &= ~S_NOATIME;
++
++ if (ip->i_d.di_vflags & XFS_DIVFLAG_BARRIER)
++ inode->i_vflags |= V_BARRIER;
++ else
++ inode->i_vflags &= ~V_BARRIER;
++ if (ip->i_d.di_vflags & XFS_DIVFLAG_COW)
++ inode->i_vflags |= V_COW;
++ else
++ inode->i_vflags &= ~V_COW;
+ }
+
+ /*
+@@ -1153,6 +1171,7 @@ xfs_setup_inode(
+ set_nlink(inode, ip->i_d.di_nlink);
+ inode->i_uid = ip->i_d.di_uid;
+ inode->i_gid = ip->i_d.di_gid;
++ inode->i_tag = ip->i_d.di_tag;
+
+ switch (inode->i_mode & S_IFMT) {
+ case S_IFBLK:
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_itable.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_itable.c
+--- linux-3.7.10/fs/xfs/xfs_itable.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_itable.c 2012-12-18 15:13:16.000000000 +0000
+@@ -96,6 +96,7 @@ xfs_bulkstat_one_int(
+ buf->bs_mode = dic->di_mode;
+ buf->bs_uid = dic->di_uid;
+ buf->bs_gid = dic->di_gid;
++ buf->bs_tag = dic->di_tag;
+ buf->bs_size = dic->di_size;
+ buf->bs_atime.tv_sec = dic->di_atime.t_sec;
+ buf->bs_atime.tv_nsec = dic->di_atime.t_nsec;
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_linux.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_linux.h
+--- linux-3.7.10/fs/xfs/xfs_linux.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_linux.h 2012-12-18 15:13:16.000000000 +0000
+@@ -121,6 +121,7 @@
+
+ #define current_cpu() (raw_smp_processor_id())
+ #define current_pid() (current->pid)
++#define current_fstag(vp) (dx_current_fstag((vp)->i_sb))
+ #define current_test_flags(f) (current->flags & (f))
+ #define current_set_flags_nested(sp, f) \
+ (*(sp) = current->flags, current->flags |= (f))
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_log_recover.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_log_recover.c
+--- linux-3.7.10/fs/xfs/xfs_log_recover.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_log_recover.c 2012-12-18 15:13:16.000000000 +0000
+@@ -2359,7 +2359,8 @@ xlog_recover_inode_pass2(
+ }
+
+ /* The core is in in-core format */
+- xfs_dinode_to_disk(dip, item->ri_buf[1].i_addr);
++ xfs_dinode_to_disk(dip, item->ri_buf[1].i_addr,
++ mp->m_flags & XFS_MOUNT_TAGGED);
+
+ /* the rest is in on-disk format */
+ if (item->ri_buf[1].i_len > sizeof(struct xfs_icdinode)) {
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_mount.h linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_mount.h
+--- linux-3.7.10/fs/xfs/xfs_mount.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_mount.h 2012-12-18 15:13:16.000000000 +0000
+@@ -246,6 +246,7 @@ typedef struct xfs_mount {
+ allocator */
+ #define XFS_MOUNT_NOATTR2 (1ULL << 25) /* disable use of attr2 format */
+
++#define XFS_MOUNT_TAGGED (1ULL << 31) /* context tagging */
+
+ /*
+ * Default minimum read and write sizes.
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_super.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_super.c
+--- linux-3.7.10/fs/xfs/xfs_super.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_super.c 2012-12-18 15:13:16.000000000 +0000
+@@ -114,6 +114,9 @@ mempool_t *xfs_ioend_pool;
+ #define MNTOPT_NODELAYLOG "nodelaylog" /* Delayed logging disabled */
+ #define MNTOPT_DISCARD "discard" /* Discard unused blocks */
+ #define MNTOPT_NODISCARD "nodiscard" /* Do not discard unused blocks */
++#define MNTOPT_TAGXID "tagxid" /* context tagging for inodes */
++#define MNTOPT_TAGGED "tag" /* context tagging for inodes */
++#define MNTOPT_NOTAGTAG "notag" /* do not use context tagging */
+
+ /*
+ * Table driven mount option parser.
+@@ -126,6 +129,8 @@ enum {
+ Opt_nobarrier,
+ Opt_inode64,
+ Opt_inode32,
++ Opt_tag,
++ Opt_notag,
+ Opt_err
+ };
+
+@@ -134,6 +139,9 @@ static const match_table_t tokens = {
+ {Opt_nobarrier, "nobarrier"},
+ {Opt_inode64, "inode64"},
+ {Opt_inode32, "inode32"},
++ {Opt_tag, "tagxid"},
++ {Opt_tag, "tag"},
++ {Opt_notag, "notag"},
+ {Opt_err, NULL}
+ };
+
+@@ -383,6 +391,19 @@ xfs_parseargs(
+ } else if (!strcmp(this_char, "irixsgid")) {
+ xfs_warn(mp,
+ "irixsgid is now a sysctl(2) variable, option is deprecated.");
++#ifndef CONFIG_TAGGING_NONE
++ } else if (!strcmp(this_char, MNTOPT_TAGGED)) {
++ mp->m_flags |= XFS_MOUNT_TAGGED;
++ } else if (!strcmp(this_char, MNTOPT_NOTAGTAG)) {
++ mp->m_flags &= ~XFS_MOUNT_TAGGED;
++ } else if (!strcmp(this_char, MNTOPT_TAGXID)) {
++ mp->m_flags |= XFS_MOUNT_TAGGED;
++#endif
++#ifdef CONFIG_PROPAGATE
++ } else if (!strcmp(this_char, MNTOPT_TAGGED)) {
++ /* use value */
++ mp->m_flags |= XFS_MOUNT_TAGGED;
++#endif
+ } else {
+ xfs_warn(mp, "unknown mount option [%s].", this_char);
+ return EINVAL;
+@@ -1149,6 +1170,16 @@ xfs_fs_remount(
+ case Opt_inode32:
+ mp->m_maxagi = xfs_set_inode32(mp);
+ break;
++ case Opt_tag:
++ if (!(sb->s_flags & MS_TAGGED)) {
++ printk(KERN_INFO
++ "XFS: %s: tagging not permitted on remount.\n",
++ sb->s_id);
++ return -EINVAL;
++ }
++ break;
++ case Opt_notag:
++ break;
+ default:
+ /*
+ * Logically we would return an error here to prevent
+@@ -1368,6 +1399,9 @@ xfs_fs_fill_super(
+ if (error)
+ goto out_free_sb;
+
++ if (mp->m_flags & XFS_MOUNT_TAGGED)
++ sb->s_flags |= MS_TAGGED;
++
+ /*
+ * we must configure the block size in the superblock before we run the
+ * full mount process as the mount process can lookup and cache inodes.
+diff -NurpP --minimal linux-3.7.10/fs/xfs/xfs_vnodeops.c linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_vnodeops.c
+--- linux-3.7.10/fs/xfs/xfs_vnodeops.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/fs/xfs/xfs_vnodeops.c 2012-12-18 15:13:16.000000000 +0000
+@@ -103,6 +103,77 @@ xfs_readlink_bmap(
+ return error;
+ }
+
++
++STATIC void
++xfs_get_inode_flags(
++ xfs_inode_t *ip)
++{
++ struct inode *inode = VFS_I(ip);
++ unsigned int flags = inode->i_flags;
++ unsigned int vflags = inode->i_vflags;
++
++ if (flags & S_IMMUTABLE)
++ ip->i_d.di_flags |= XFS_DIFLAG_IMMUTABLE;
++ else
++ ip->i_d.di_flags &= ~XFS_DIFLAG_IMMUTABLE;
++ if (flags & S_IXUNLINK)
++ ip->i_d.di_flags |= XFS_DIFLAG_IXUNLINK;
++ else
++ ip->i_d.di_flags &= ~XFS_DIFLAG_IXUNLINK;
++
++ if (vflags & V_BARRIER)
++ ip->i_d.di_vflags |= XFS_DIVFLAG_BARRIER;
++ else
++ ip->i_d.di_vflags &= ~XFS_DIVFLAG_BARRIER;
++ if (vflags & V_COW)
++ ip->i_d.di_vflags |= XFS_DIVFLAG_COW;
++ else
++ ip->i_d.di_vflags &= ~XFS_DIVFLAG_COW;
++}
++
++int
++xfs_sync_flags(
++ struct inode *inode,
++ int flags,
++ int vflags)
++{
++ struct xfs_inode *ip = XFS_I(inode);
++ struct xfs_mount *mp = ip->i_mount;
++ struct xfs_trans *tp;
++ unsigned int lock_flags = 0;
++ int code;
++
++ tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
++ code = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), 0, 0, 0);
++ if (code)
++ goto error_out;
++
++ xfs_ilock(ip, XFS_ILOCK_EXCL);
++ xfs_trans_ijoin(tp, ip, 0);
++
++ inode->i_flags = flags;
++ inode->i_vflags = vflags;
++ xfs_get_inode_flags(ip);
++
++ xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
++ xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
++
++ XFS_STATS_INC(xs_ig_attrchg);
++
++ if (mp->m_flags & XFS_MOUNT_WSYNC)
++ xfs_trans_set_sync(tp);
++ code = xfs_trans_commit(tp, 0);
++ xfs_iunlock(ip, XFS_ILOCK_EXCL);
++ return code;
++
++error_out:
++ xfs_trans_cancel(tp, 0);
++ if (lock_flags)
++ xfs_iunlock(ip, XFS_ILOCK_EXCL);
++ return code;
++}
++
++
+ int
+ xfs_readlink(
+ xfs_inode_t *ip,
+diff -NurpP --minimal linux-3.7.10/include/linux/cred.h linux-3.7.10-vs2.3.5.6/include/linux/cred.h
+--- linux-3.7.10/include/linux/cred.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/cred.h 2012-12-18 15:13:16.000000000 +0000
+@@ -157,6 +157,7 @@ extern void exit_creds(struct task_struc
+ extern int copy_creds(struct task_struct *, unsigned long);
+ extern const struct cred *get_task_cred(struct task_struct *);
+ extern struct cred *cred_alloc_blank(void);
++extern struct cred *__prepare_creds(const struct cred *);
+ extern struct cred *prepare_creds(void);
+ extern struct cred *prepare_exec_creds(void);
+ extern int commit_creds(struct cred *);
+@@ -210,6 +211,31 @@ static inline void validate_process_cred
+ }
+ #endif
+
++static inline void set_cred_subscribers(struct cred *cred, int n)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ atomic_set(&cred->subscribers, n);
++#endif
++}
++
++static inline int read_cred_subscribers(const struct cred *cred)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ return atomic_read(&cred->subscribers);
++#else
++ return 0;
++#endif
++}
++
++static inline void alter_cred_subscribers(const struct cred *_cred, int n)
++{
++#ifdef CONFIG_DEBUG_CREDENTIALS
++ struct cred *cred = (struct cred *) _cred;
++
++ atomic_add(n, &cred->subscribers);
++#endif
++}
++
+ /**
+ * get_new_cred - Get a reference on a new set of credentials
+ * @cred: The new credentials to reference
+diff -NurpP --minimal linux-3.7.10/include/linux/devpts_fs.h linux-3.7.10-vs2.3.5.6/include/linux/devpts_fs.h
+--- linux-3.7.10/include/linux/devpts_fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/devpts_fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -45,5 +45,4 @@ static inline void devpts_pty_kill(struc
+
+ #endif
+
+-
+ #endif /* _LINUX_DEVPTS_FS_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/fs.h linux-3.7.10-vs2.3.5.6/include/linux/fs.h
+--- linux-3.7.10/include/linux/fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -210,6 +210,7 @@ typedef void (dio_iodone_t)(struct kiocb
+ #define ATTR_KILL_PRIV (1 << 14)
+ #define ATTR_OPEN (1 << 15) /* Truncating from open(O_TRUNC) */
+ #define ATTR_TIMES_SET (1 << 16)
++#define ATTR_TAG (1 << 17)
+
+ /*
+ * This is the Inode Attributes structure, used for notify_change(). It
+@@ -225,6 +226,7 @@ struct iattr {
+ umode_t ia_mode;
+ kuid_t ia_uid;
+ kgid_t ia_gid;
++ ktag_t ia_tag;
+ loff_t ia_size;
+ struct timespec ia_atime;
+ struct timespec ia_mtime;
+@@ -522,7 +524,9 @@ struct inode {
+ unsigned short i_opflags;
+ kuid_t i_uid;
+ kgid_t i_gid;
+- unsigned int i_flags;
++ ktag_t i_tag;
++ unsigned short i_flags;
++ unsigned short i_vflags;
+
+ #ifdef CONFIG_FS_POSIX_ACL
+ struct posix_acl *i_acl;
+@@ -551,6 +555,7 @@ struct inode {
+ unsigned int __i_nlink;
+ };
+ dev_t i_rdev;
++ dev_t i_mdev;
+ loff_t i_size;
+ struct timespec i_atime;
+ struct timespec i_mtime;
+@@ -701,6 +706,11 @@ static inline gid_t i_gid_read(const str
+ return from_kgid(&init_user_ns, inode->i_gid);
+ }
+
++static inline tag_t i_tag_read(const struct inode *inode)
++{
++ return from_ktag(&init_user_ns, inode->i_tag);
++}
++
+ static inline void i_uid_write(struct inode *inode, uid_t uid)
+ {
+ inode->i_uid = make_kuid(&init_user_ns, uid);
+@@ -711,14 +721,19 @@ static inline void i_gid_write(struct in
+ inode->i_gid = make_kgid(&init_user_ns, gid);
+ }
+
++static inline void i_tag_write(struct inode *inode, tag_t tag)
++{
++ inode->i_tag = make_ktag(&init_user_ns, tag);
++}
++
+ static inline unsigned iminor(const struct inode *inode)
+ {
+- return MINOR(inode->i_rdev);
++ return MINOR(inode->i_mdev);
+ }
+
+ static inline unsigned imajor(const struct inode *inode)
+ {
+- return MAJOR(inode->i_rdev);
++ return MAJOR(inode->i_mdev);
+ }
+
+ extern struct block_device *I_BDEV(struct inode *inode);
+@@ -785,6 +800,7 @@ struct file {
+ loff_t f_pos;
+ struct fown_struct f_owner;
+ const struct cred *f_cred;
++ xid_t f_xid;
+ struct file_ra_state f_ra;
+
+ u64 f_version;
+@@ -936,6 +952,7 @@ struct file_lock {
+ struct file *fl_file;
+ loff_t fl_start;
+ loff_t fl_end;
++ xid_t fl_xid;
+
+ struct fasync_struct * fl_fasync; /* for lease break notifications */
+ /* for lease breaks: */
+@@ -1570,6 +1587,7 @@ struct inode_operations {
+ ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
+ ssize_t (*listxattr) (struct dentry *, char *, size_t);
+ int (*removexattr) (struct dentry *, const char *);
++ int (*sync_flags) (struct inode *, int, int);
+ int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
+ u64 len);
+ int (*update_time)(struct inode *, struct timespec *, int);
+@@ -1584,6 +1602,7 @@ ssize_t rw_copy_check_uvector(int type,
+ unsigned long nr_segs, unsigned long fast_segs,
+ struct iovec *fast_pointer,
+ struct iovec **ret_pointer);
++ssize_t vfs_sendfile(struct file *, struct file *, loff_t *, size_t, loff_t);
+
+ extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
+ extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
+@@ -1637,6 +1656,14 @@ struct super_operations {
+ #define S_IMA 1024 /* Inode has an associated IMA struct */
+ #define S_AUTOMOUNT 2048 /* Automount/referral quasi-directory */
+ #define S_NOSEC 4096 /* no suid or xattr security attributes */
++#define S_IXUNLINK 8192 /* Immutable Invert on unlink */
++
++/* Linux-VServer related Inode flags */
++
++#define V_VALID 1
++#define V_XATTR 2
++#define V_BARRIER 4 /* Barrier for chroot() */
++#define V_COW 8 /* Copy on Write */
+
+ /*
+ * Note that nosuid etc flags are inode-specific: setting some file-system
+@@ -1661,10 +1688,13 @@ struct super_operations {
+ #define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
+ #define IS_NOATIME(inode) __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
+ #define IS_I_VERSION(inode) __IS_FLG(inode, MS_I_VERSION)
++#define IS_TAGGED(inode) __IS_FLG(inode, MS_TAGGED)
+
+ #define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA)
+ #define IS_APPEND(inode) ((inode)->i_flags & S_APPEND)
+ #define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE)
++#define IS_IXUNLINK(inode) ((inode)->i_flags & S_IXUNLINK)
++#define IS_IXORUNLINK(inode) ((IS_IXUNLINK(inode) ? S_IMMUTABLE : 0) ^ IS_IMMUTABLE(inode))
+ #define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL)
+
+ #define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
+@@ -1675,6 +1705,16 @@ struct super_operations {
+ #define IS_AUTOMOUNT(inode) ((inode)->i_flags & S_AUTOMOUNT)
+ #define IS_NOSEC(inode) ((inode)->i_flags & S_NOSEC)
+
++#define IS_BARRIER(inode) (S_ISDIR((inode)->i_mode) && ((inode)->i_vflags & V_BARRIER))
++
++#ifdef CONFIG_VSERVER_COWBL
++# define IS_COW(inode) (IS_IXUNLINK(inode) && IS_IMMUTABLE(inode))
++# define IS_COW_LINK(inode) (S_ISREG((inode)->i_mode) && ((inode)->i_nlink > 1))
++#else
++# define IS_COW(inode) (0)
++# define IS_COW_LINK(inode) (0)
++#endif
++
+ /*
+ * Inode state bits. Protected by inode->i_lock
+ *
+@@ -1900,6 +1940,9 @@ extern int rw_verify_area(int, struct fi
+ extern int locks_mandatory_locked(struct inode *);
+ extern int locks_mandatory_area(int, struct inode *, struct file *, loff_t, size_t);
+
++#define ATTR_FLAG_BARRIER 512 /* Barrier for chroot() */
++#define ATTR_FLAG_IXUNLINK 1024 /* Immutable invert on unlink */
++
+ /*
+ * Candidates for mandatory locking have the setgid bit set
+ * but no group execute bit - an otherwise meaningless combination.
+@@ -2504,6 +2547,7 @@ extern int dcache_dir_open(struct inode
+ extern int dcache_dir_close(struct inode *, struct file *);
+ extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
+ extern int dcache_readdir(struct file *, void *, filldir_t);
++extern int dcache_readdir_filter(struct file *, void *, filldir_t, int (*)(struct dentry *));
+ extern int simple_setattr(struct dentry *, struct iattr *);
+ extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+ extern int simple_statfs(struct dentry *, struct kstatfs *);
+diff -NurpP --minimal linux-3.7.10/include/linux/init_task.h linux-3.7.10-vs2.3.5.6/include/linux/init_task.h
+--- linux-3.7.10/include/linux/init_task.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/init_task.h 2012-12-18 15:13:16.000000000 +0000
+@@ -210,6 +210,10 @@ extern struct task_group root_task_group
+ INIT_TRACE_RECURSION \
+ INIT_TASK_RCU_PREEMPT(tsk) \
+ INIT_CPUSET_SEQ \
++ .xid = 0, \
++ .vx_info = NULL, \
++ .nid = 0, \
++ .nx_info = NULL, \
+ }
+
+
+diff -NurpP --minimal linux-3.7.10/include/linux/ipc.h linux-3.7.10-vs2.3.5.6/include/linux/ipc.h
+--- linux-3.7.10/include/linux/ipc.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/ipc.h 2012-12-18 15:13:16.000000000 +0000
+@@ -16,6 +16,7 @@ struct kern_ipc_perm
+ key_t key;
+ kuid_t uid;
+ kgid_t gid;
++ xid_t xid;
+ kuid_t cuid;
+ kgid_t cgid;
+ umode_t mode;
+diff -NurpP --minimal linux-3.7.10/include/linux/ipc_namespace.h linux-3.7.10-vs2.3.5.6/include/linux/ipc_namespace.h
+--- linux-3.7.10/include/linux/ipc_namespace.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/ipc_namespace.h 2012-12-18 15:13:16.000000000 +0000
+@@ -133,7 +133,8 @@ static inline int mq_init_ns(struct ipc_
+
+ #if defined(CONFIG_IPC_NS)
+ extern struct ipc_namespace *copy_ipcs(unsigned long flags,
+- struct task_struct *tsk);
++ struct ipc_namespace *old_ns,
++ struct user_namespace *user_ns);
+ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
+ {
+ if (ns)
+@@ -144,12 +145,13 @@ static inline struct ipc_namespace *get_
+ extern void put_ipc_ns(struct ipc_namespace *ns);
+ #else
+ static inline struct ipc_namespace *copy_ipcs(unsigned long flags,
+- struct task_struct *tsk)
++ struct ipc_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+ if (flags & CLONE_NEWIPC)
+ return ERR_PTR(-EINVAL);
+
+- return tsk->nsproxy->ipc_ns;
++ return old_ns;
+ }
+
+ static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns)
+diff -NurpP --minimal linux-3.7.10/include/linux/loop.h linux-3.7.10-vs2.3.5.6/include/linux/loop.h
+--- linux-3.7.10/include/linux/loop.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/loop.h 2012-12-18 15:13:16.000000000 +0000
+@@ -41,6 +41,7 @@ struct loop_device {
+ struct loop_func_table *lo_encryption;
+ __u32 lo_init[2];
+ kuid_t lo_key_owner; /* Who set the key */
++ xid_t lo_xid;
+ int (*ioctl)(struct loop_device *, int cmd,
+ unsigned long arg);
+
+diff -NurpP --minimal linux-3.7.10/include/linux/memcontrol.h linux-3.7.10-vs2.3.5.6/include/linux/memcontrol.h
+--- linux-3.7.10/include/linux/memcontrol.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/memcontrol.h 2012-12-18 15:13:16.000000000 +0000
+@@ -83,6 +83,13 @@ extern struct mem_cgroup *try_get_mem_cg
+ extern struct mem_cgroup *parent_mem_cgroup(struct mem_cgroup *memcg);
+ extern struct mem_cgroup *mem_cgroup_from_cont(struct cgroup *cont);
+
++extern u64 mem_cgroup_res_read_u64(struct mem_cgroup *mem, int member);
++extern u64 mem_cgroup_memsw_read_u64(struct mem_cgroup *mem, int member);
++
++extern s64 mem_cgroup_stat_read_cache(struct mem_cgroup *mem);
++extern s64 mem_cgroup_stat_read_anon(struct mem_cgroup *mem);
++extern s64 mem_cgroup_stat_read_mapped(struct mem_cgroup *mem);
++
+ static inline
+ bool mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *memcg)
+ {
+diff -NurpP --minimal linux-3.7.10/include/linux/mm_types.h linux-3.7.10-vs2.3.5.6/include/linux/mm_types.h
+--- linux-3.7.10/include/linux/mm_types.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/mm_types.h 2012-12-18 15:13:16.000000000 +0000
+@@ -365,6 +365,7 @@ struct mm_struct {
+
+ /* Architecture-specific MM context */
+ mm_context_t context;
++ struct vx_info *mm_vx_info;
+
+ unsigned long flags; /* Must use atomic bitops to access the bits */
+
+diff -NurpP --minimal linux-3.7.10/include/linux/mmzone.h linux-3.7.10-vs2.3.5.6/include/linux/mmzone.h
+--- linux-3.7.10/include/linux/mmzone.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/mmzone.h 2012-12-18 15:13:16.000000000 +0000
+@@ -735,6 +735,13 @@ typedef struct pglist_data {
+ __pgdat->node_start_pfn + __pgdat->node_spanned_pages;\
+ })
+
++#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
++
++#define node_end_pfn(nid) ({\
++ pg_data_t *__pgdat = NODE_DATA(nid);\
++ __pgdat->node_start_pfn + __pgdat->node_spanned_pages;\
++})
++
+ #include <linux/memory_hotplug.h>
+
+ extern struct mutex zonelists_mutex;
+diff -NurpP --minimal linux-3.7.10/include/linux/mount.h linux-3.7.10-vs2.3.5.6/include/linux/mount.h
+--- linux-3.7.10/include/linux/mount.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/mount.h 2012-12-18 15:13:16.000000000 +0000
+@@ -47,6 +47,9 @@ struct mnt_namespace;
+
+ #define MNT_INTERNAL 0x4000
+
++#define MNT_TAGID 0x10000
++#define MNT_NOTAG 0x20000
++
+ struct vfsmount {
+ struct dentry *mnt_root; /* root of the mounted tree */
+ struct super_block *mnt_sb; /* pointer to superblock */
+diff -NurpP --minimal linux-3.7.10/include/linux/net.h linux-3.7.10-vs2.3.5.6/include/linux/net.h
+--- linux-3.7.10/include/linux/net.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/net.h 2012-12-18 15:13:16.000000000 +0000
+@@ -38,6 +38,7 @@ struct net;
+ #define SOCK_PASSCRED 3
+ #define SOCK_PASSSEC 4
+ #define SOCK_EXTERNALLY_ALLOCATED 5
++#define SOCK_USER_SOCKET 6
+
+ #ifndef ARCH_HAS_SOCKET_TYPES
+ /**
+diff -NurpP --minimal linux-3.7.10/include/linux/netdevice.h linux-3.7.10-vs2.3.5.6/include/linux/netdevice.h
+--- linux-3.7.10/include/linux/netdevice.h 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/netdevice.h 2013-02-19 14:41:41.000000000 +0000
+@@ -1640,6 +1640,7 @@ extern void netdev_resync_ops(struct ne
+
+ extern struct net_device *dev_get_by_index(struct net *net, int ifindex);
+ extern struct net_device *__dev_get_by_index(struct net *net, int ifindex);
++extern struct net_device *dev_get_by_index_real_rcu(struct net *net, int ifindex);
+ extern struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);
+ extern int dev_restart(struct net_device *dev);
+ #ifdef CONFIG_NETPOLL_TRAP
+diff -NurpP --minimal linux-3.7.10/include/linux/nsproxy.h linux-3.7.10-vs2.3.5.6/include/linux/nsproxy.h
+--- linux-3.7.10/include/linux/nsproxy.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/nsproxy.h 2012-12-18 15:13:16.000000000 +0000
+@@ -3,6 +3,7 @@
+
+ #include <linux/spinlock.h>
+ #include <linux/sched.h>
++#include <linux/vserver/debug.h>
+
+ struct mnt_namespace;
+ struct uts_namespace;
+@@ -63,6 +64,7 @@ static inline struct nsproxy *task_nspro
+ }
+
+ int copy_namespaces(unsigned long flags, struct task_struct *tsk);
++struct nsproxy *copy_nsproxy(struct nsproxy *orig);
+ void exit_task_namespaces(struct task_struct *tsk);
+ void switch_task_namespaces(struct task_struct *tsk, struct nsproxy *new);
+ void free_nsproxy(struct nsproxy *ns);
+@@ -70,16 +72,26 @@ int unshare_nsproxy_namespaces(unsigned
+ struct fs_struct *);
+ int __init nsproxy_cache_init(void);
+
+-static inline void put_nsproxy(struct nsproxy *ns)
++#define get_nsproxy(n) __get_nsproxy(n, __FILE__, __LINE__)
++
++static inline void __get_nsproxy(struct nsproxy *ns,
++ const char *_file, int _line)
+ {
+- if (atomic_dec_and_test(&ns->count)) {
+- free_nsproxy(ns);
+- }
++ vxlprintk(VXD_CBIT(space, 0), "get_nsproxy(%p[%u])",
++ ns, atomic_read(&ns->count), _file, _line);
++ atomic_inc(&ns->count);
+ }
+
+-static inline void get_nsproxy(struct nsproxy *ns)
++#define put_nsproxy(n) __put_nsproxy(n, __FILE__, __LINE__)
++
++static inline void __put_nsproxy(struct nsproxy *ns,
++ const char *_file, int _line)
+ {
+- atomic_inc(&ns->count);
++ vxlprintk(VXD_CBIT(space, 0), "put_nsproxy(%p[%u])",
++ ns, atomic_read(&ns->count), _file, _line);
++ if (atomic_dec_and_test(&ns->count)) {
++ free_nsproxy(ns);
++ }
+ }
+
+ #endif
+diff -NurpP --minimal linux-3.7.10/include/linux/pid.h linux-3.7.10-vs2.3.5.6/include/linux/pid.h
+--- linux-3.7.10/include/linux/pid.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/pid.h 2012-12-18 15:13:16.000000000 +0000
+@@ -8,7 +8,8 @@ enum pid_type
+ PIDTYPE_PID,
+ PIDTYPE_PGID,
+ PIDTYPE_SID,
+- PIDTYPE_MAX
++ PIDTYPE_MAX,
++ PIDTYPE_REALPID
+ };
+
+ /*
+@@ -171,6 +172,7 @@ static inline pid_t pid_nr(struct pid *p
+ }
+
+ pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns);
++pid_t pid_unmapped_nr_ns(struct pid *pid, struct pid_namespace *ns);
+ pid_t pid_vnr(struct pid *pid);
+
+ #define do_each_pid_task(pid, type, task) \
+diff -NurpP --minimal linux-3.7.10/include/linux/proc_fs.h linux-3.7.10-vs2.3.5.6/include/linux/proc_fs.h
+--- linux-3.7.10/include/linux/proc_fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/proc_fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -54,6 +54,7 @@ struct proc_dir_entry {
+ nlink_t nlink;
+ kuid_t uid;
+ kgid_t gid;
++ int vx_flags;
+ loff_t size;
+ const struct inode_operations *proc_iops;
+ /*
+@@ -252,12 +253,18 @@ extern const struct proc_ns_operations n
+ extern const struct proc_ns_operations utsns_operations;
+ extern const struct proc_ns_operations ipcns_operations;
+
++struct vx_info;
++struct nx_info;
++
+ union proc_op {
+ int (*proc_get_link)(struct dentry *, struct path *);
+ int (*proc_read)(struct task_struct *task, char *page);
+ int (*proc_show)(struct seq_file *m,
+ struct pid_namespace *ns, struct pid *pid,
+ struct task_struct *task);
++ int (*proc_vs_read)(char *page);
++ int (*proc_vxi_read)(struct vx_info *vxi, char *page);
++ int (*proc_nxi_read)(struct nx_info *nxi, char *page);
+ };
+
+ struct ctl_table_header;
+@@ -265,6 +272,7 @@ struct ctl_table;
+
+ struct proc_inode {
+ struct pid *pid;
++ int vx_flags;
+ int fd;
+ union proc_op op;
+ struct proc_dir_entry *pde;
+diff -NurpP --minimal linux-3.7.10/include/linux/quotaops.h linux-3.7.10-vs2.3.5.6/include/linux/quotaops.h
+--- linux-3.7.10/include/linux/quotaops.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/quotaops.h 2012-12-18 15:13:16.000000000 +0000
+@@ -8,6 +8,7 @@
+ #define _LINUX_QUOTAOPS_
+
+ #include <linux/fs.h>
++#include <linux/vs_dlimit.h>
+
+ #define DQUOT_SPACE_WARN 0x1
+ #define DQUOT_SPACE_RESERVE 0x2
+@@ -205,11 +206,12 @@ static inline void dquot_drop(struct ino
+
+ static inline int dquot_alloc_inode(const struct inode *inode)
+ {
+- return 0;
++ return dl_alloc_inode(inode);
+ }
+
+ static inline void dquot_free_inode(const struct inode *inode)
+ {
++ dl_free_inode(inode);
+ }
+
+ static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
+@@ -220,6 +222,10 @@ static inline int dquot_transfer(struct
+ static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
+ int flags)
+ {
++ int ret = 0;
++
++ if ((ret = dl_alloc_space(inode, number)))
++ return ret;
+ if (!(flags & DQUOT_SPACE_RESERVE))
+ inode_add_bytes(inode, number);
+ return 0;
+@@ -230,6 +236,7 @@ static inline void __dquot_free_space(st
+ {
+ if (!(flags & DQUOT_SPACE_RESERVE))
+ inode_sub_bytes(inode, number);
++ dl_free_space(inode, number);
+ }
+
+ static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
+diff -NurpP --minimal linux-3.7.10/include/linux/sched.h linux-3.7.10-vs2.3.5.6/include/linux/sched.h
+--- linux-3.7.10/include/linux/sched.h 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/sched.h 2013-02-05 01:14:43.000000000 +0000
+@@ -1378,6 +1378,14 @@ struct task_struct {
+ #endif
+ struct seccomp seccomp;
+
++/* vserver context data */
++ struct vx_info *vx_info;
++ struct nx_info *nx_info;
++
++ xid_t xid;
++ nid_t nid;
++ tag_t tag;
++
+ /* Thread group tracking */
+ u32 parent_exec_id;
+ u32 self_exec_id;
+@@ -1627,6 +1635,11 @@ struct pid_namespace;
+ pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type,
+ struct pid_namespace *ns);
+
++#include <linux/vserver/base.h>
++#include <linux/vserver/context.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/pid.h>
++
+ static inline pid_t task_pid_nr(struct task_struct *tsk)
+ {
+ return tsk->pid;
+@@ -1640,7 +1653,8 @@ static inline pid_t task_pid_nr_ns(struc
+
+ static inline pid_t task_pid_vnr(struct task_struct *tsk)
+ {
+- return __task_pid_nr_ns(tsk, PIDTYPE_PID, NULL);
++ // return __task_pid_nr_ns(tsk, PIDTYPE_PID, NULL);
++ return vx_map_pid(__task_pid_nr_ns(tsk, PIDTYPE_PID, NULL));
+ }
+
+
+@@ -1653,7 +1667,7 @@ pid_t task_tgid_nr_ns(struct task_struct
+
+ static inline pid_t task_tgid_vnr(struct task_struct *tsk)
+ {
+- return pid_vnr(task_tgid(tsk));
++ return vx_map_tgid(pid_vnr(task_tgid(tsk)));
+ }
+
+
+diff -NurpP --minimal linux-3.7.10/include/linux/shmem_fs.h linux-3.7.10-vs2.3.5.6/include/linux/shmem_fs.h
+--- linux-3.7.10/include/linux/shmem_fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/shmem_fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -9,6 +9,9 @@
+
+ /* inode in-kernel data */
+
++#define TMPFS_SUPER_MAGIC 0x01021994
++
++
+ struct shmem_inode_info {
+ spinlock_t lock;
+ unsigned long flags;
+diff -NurpP --minimal linux-3.7.10/include/linux/stat.h linux-3.7.10-vs2.3.5.6/include/linux/stat.h
+--- linux-3.7.10/include/linux/stat.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/stat.h 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,7 @@ struct kstat {
+ unsigned int nlink;
+ kuid_t uid;
+ kgid_t gid;
++ tag_t tag;
+ dev_t rdev;
+ loff_t size;
+ struct timespec atime;
+diff -NurpP --minimal linux-3.7.10/include/linux/sunrpc/auth.h linux-3.7.10-vs2.3.5.6/include/linux/sunrpc/auth.h
+--- linux-3.7.10/include/linux/sunrpc/auth.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/sunrpc/auth.h 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,7 @@
+ struct auth_cred {
+ uid_t uid;
+ gid_t gid;
++ tag_t tag;
+ struct group_info *group_info;
+ const char *principal;
+ unsigned char machine_cred : 1;
+diff -NurpP --minimal linux-3.7.10/include/linux/sunrpc/clnt.h linux-3.7.10-vs2.3.5.6/include/linux/sunrpc/clnt.h
+--- linux-3.7.10/include/linux/sunrpc/clnt.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/sunrpc/clnt.h 2012-12-18 15:13:16.000000000 +0000
+@@ -49,7 +49,8 @@ struct rpc_clnt {
+ unsigned int cl_softrtry : 1,/* soft timeouts */
+ cl_discrtry : 1,/* disconnect before retry */
+ cl_autobind : 1,/* use getport() */
+- cl_chatty : 1;/* be verbose */
++ cl_chatty : 1,/* be verbose */
++ cl_tag : 1;/* context tagging */
+
+ struct rpc_rtt * cl_rtt; /* RTO estimator data */
+ const struct rpc_timeout *cl_timeout; /* Timeout strategy */
+diff -NurpP --minimal linux-3.7.10/include/linux/sysfs.h linux-3.7.10-vs2.3.5.6/include/linux/sysfs.h
+--- linux-3.7.10/include/linux/sysfs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/sysfs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -19,6 +19,8 @@
+ #include <linux/kobject_ns.h>
+ #include <linux/atomic.h>
+
++#define SYSFS_SUPER_MAGIC 0x62656572
++
+ struct kobject;
+ struct module;
+ enum kobj_ns_type;
+diff -NurpP --minimal linux-3.7.10/include/linux/types.h linux-3.7.10-vs2.3.5.6/include/linux/types.h
+--- linux-3.7.10/include/linux/types.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/types.h 2012-12-18 15:13:16.000000000 +0000
+@@ -32,6 +32,9 @@ typedef __kernel_uid32_t uid_t;
+ typedef __kernel_gid32_t gid_t;
+ typedef __kernel_uid16_t uid16_t;
+ typedef __kernel_gid16_t gid16_t;
++typedef unsigned int xid_t;
++typedef unsigned int nid_t;
++typedef unsigned int tag_t;
+
+ typedef unsigned long uintptr_t;
+
+diff -NurpP --minimal linux-3.7.10/include/linux/uidgid.h linux-3.7.10-vs2.3.5.6/include/linux/uidgid.h
+--- linux-3.7.10/include/linux/uidgid.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/uidgid.h 2012-12-18 15:13:16.000000000 +0000
+@@ -23,13 +23,17 @@ typedef struct {
+ uid_t val;
+ } kuid_t;
+
+-
+ typedef struct {
+ gid_t val;
+ } kgid_t;
+
++typedef struct {
++ tag_t val;
++} ktag_t;
++
+ #define KUIDT_INIT(value) (kuid_t){ value }
+ #define KGIDT_INIT(value) (kgid_t){ value }
++#define KTAGT_INIT(value) (ktag_t){ value }
+
+ static inline uid_t __kuid_val(kuid_t uid)
+ {
+@@ -41,10 +45,16 @@ static inline gid_t __kgid_val(kgid_t gi
+ return gid.val;
+ }
+
++static inline tag_t __ktag_val(ktag_t tag)
++{
++ return tag.val;
++}
++
+ #else
+
+ typedef uid_t kuid_t;
+ typedef gid_t kgid_t;
++typedef tag_t ktag_t;
+
+ static inline uid_t __kuid_val(kuid_t uid)
+ {
+@@ -56,16 +66,24 @@ static inline gid_t __kgid_val(kgid_t gi
+ return gid;
+ }
+
++static inline tag_t __ktag_val(ktag_t tag)
++{
++ return tag;
++}
++
+ #define KUIDT_INIT(value) ((kuid_t) value )
+ #define KGIDT_INIT(value) ((kgid_t) value )
++#define KTAGT_INIT(value) ((ktag_t) value )
+
+ #endif
+
+ #define GLOBAL_ROOT_UID KUIDT_INIT(0)
+ #define GLOBAL_ROOT_GID KGIDT_INIT(0)
++#define GLOBAL_ROOT_TAG KTAGT_INIT(0)
+
+ #define INVALID_UID KUIDT_INIT(-1)
+ #define INVALID_GID KGIDT_INIT(-1)
++#define INVALID_TAG KTAGT_INIT(-1)
+
+ static inline bool uid_eq(kuid_t left, kuid_t right)
+ {
+@@ -77,6 +95,11 @@ static inline bool gid_eq(kgid_t left, k
+ return __kgid_val(left) == __kgid_val(right);
+ }
+
++static inline bool tag_eq(ktag_t left, ktag_t right)
++{
++ return __ktag_val(left) == __ktag_val(right);
++}
++
+ static inline bool uid_gt(kuid_t left, kuid_t right)
+ {
+ return __kuid_val(left) > __kuid_val(right);
+@@ -127,13 +150,21 @@ static inline bool gid_valid(kgid_t gid)
+ return !gid_eq(gid, INVALID_GID);
+ }
+
++static inline bool tag_valid(ktag_t tag)
++{
++ return !tag_eq(tag, INVALID_TAG);
++}
++
+ #ifdef CONFIG_USER_NS
+
+ extern kuid_t make_kuid(struct user_namespace *from, uid_t uid);
+ extern kgid_t make_kgid(struct user_namespace *from, gid_t gid);
++extern krag_t make_ktag(struct user_namespace *from, gid_t gid);
+
+ extern uid_t from_kuid(struct user_namespace *to, kuid_t uid);
+ extern gid_t from_kgid(struct user_namespace *to, kgid_t gid);
++extern tag_t from_ktag(struct user_namespace *to, ktag_t tag);
++
+ extern uid_t from_kuid_munged(struct user_namespace *to, kuid_t uid);
+ extern gid_t from_kgid_munged(struct user_namespace *to, kgid_t gid);
+
+@@ -159,6 +190,11 @@ static inline kgid_t make_kgid(struct us
+ return KGIDT_INIT(gid);
+ }
+
++static inline ktag_t make_ktag(struct user_namespace *from, tag_t tag)
++{
++ return KTAGT_INIT(tag);
++}
++
+ static inline uid_t from_kuid(struct user_namespace *to, kuid_t kuid)
+ {
+ return __kuid_val(kuid);
+@@ -169,6 +205,11 @@ static inline gid_t from_kgid(struct use
+ return __kgid_val(kgid);
+ }
+
++static inline tag_t from_ktag(struct user_namespace *to, ktag_t ktag)
++{
++ return __ktag_val(ktag);
++}
++
+ static inline uid_t from_kuid_munged(struct user_namespace *to, kuid_t kuid)
+ {
+ uid_t uid = from_kuid(to, kuid);
+diff -NurpP --minimal linux-3.7.10/include/linux/utsname.h linux-3.7.10-vs2.3.5.6/include/linux/utsname.h
+--- linux-3.7.10/include/linux/utsname.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/utsname.h 2012-12-18 15:13:16.000000000 +0000
+@@ -33,7 +33,8 @@ static inline void get_uts_ns(struct uts
+ }
+
+ extern struct uts_namespace *copy_utsname(unsigned long flags,
+- struct task_struct *tsk);
++ struct uts_namespace *old_ns,
++ struct user_namespace *user_ns);
+ extern void free_uts_ns(struct kref *kref);
+
+ static inline void put_uts_ns(struct uts_namespace *ns)
+@@ -50,12 +51,13 @@ static inline void put_uts_ns(struct uts
+ }
+
+ static inline struct uts_namespace *copy_utsname(unsigned long flags,
+- struct task_struct *tsk)
++ struct uts_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+ if (flags & CLONE_NEWUTS)
+ return ERR_PTR(-EINVAL);
+
+- return tsk->nsproxy->uts_ns;
++ return old_ns;
+ }
+ #endif
+
+diff -NurpP --minimal linux-3.7.10/include/linux/vroot.h linux-3.7.10-vs2.3.5.6/include/linux/vroot.h
+--- linux-3.7.10/include/linux/vroot.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vroot.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,51 @@
++
++/*
++ * include/linux/vroot.h
++ *
++ * written by Herbert Pötzl, 9/11/2002
++ * ported to 2.6 by Herbert Pötzl, 30/12/2004
++ *
++ * Copyright (C) 2002-2007 by Herbert Pötzl.
++ * Redistribution of this file is permitted under the
++ * GNU General Public License.
++ */
++
++#ifndef _LINUX_VROOT_H
++#define _LINUX_VROOT_H
++
++
++#ifdef __KERNEL__
++
++/* Possible states of device */
++enum {
++ Vr_unbound,
++ Vr_bound,
++};
++
++struct vroot_device {
++ int vr_number;
++ int vr_refcnt;
++
++ struct semaphore vr_ctl_mutex;
++ struct block_device *vr_device;
++ int vr_state;
++};
++
++
++typedef struct block_device *(vroot_grb_func)(struct block_device *);
++
++extern int register_vroot_grb(vroot_grb_func *);
++extern int unregister_vroot_grb(vroot_grb_func *);
++
++#endif /* __KERNEL__ */
++
++#define MAX_VROOT_DEFAULT 8
++
++/*
++ * IOCTL commands --- we will commandeer 0x56 ('V')
++ */
++
++#define VROOT_SET_DEV 0x5600
++#define VROOT_CLR_DEV 0x5601
++
++#endif /* _LINUX_VROOT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_base.h linux-3.7.10-vs2.3.5.6/include/linux/vs_base.h
+--- linux-3.7.10/include/linux/vs_base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_base.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VS_BASE_H
++#define _VS_BASE_H
++
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_context.h linux-3.7.10-vs2.3.5.6/include/linux/vs_context.h
+--- linux-3.7.10/include/linux/vs_context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_context.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,242 @@
++#ifndef _VS_CONTEXT_H
++#define _VS_CONTEXT_H
++
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/context.h"
++#include "vserver/history.h"
++#include "vserver/debug.h"
++
++#include <linux/sched.h>
++
++
++#define get_vx_info(i) __get_vx_info(i, __FILE__, __LINE__, __HERE__)
++
++static inline struct vx_info *__get_vx_info(struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ if (!vxi)
++ return NULL;
++
++ vxlprintk(VXD_CBIT(xid, 2), "get_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_get_vx_info(vxi, _here);
++
++ atomic_inc(&vxi->vx_usecnt);
++ return vxi;
++}
++
++
++extern void free_vx_info(struct vx_info *);
++
++#define put_vx_info(i) __put_vx_info(i, __FILE__, __LINE__, __HERE__)
++
++static inline void __put_vx_info(struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ if (!vxi)
++ return;
++
++ vxlprintk(VXD_CBIT(xid, 2), "put_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_put_vx_info(vxi, _here);
++
++ if (atomic_dec_and_test(&vxi->vx_usecnt))
++ free_vx_info(vxi);
++}
++
++
++#define init_vx_info(p, i) \
++ __init_vx_info(p, i, __FILE__, __LINE__, __HERE__)
++
++static inline void __init_vx_info(struct vx_info **vxp, struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ if (vxi) {
++ vxlprintk(VXD_CBIT(xid, 3),
++ "init_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_init_vx_info(vxi, vxp, _here);
++
++ atomic_inc(&vxi->vx_usecnt);
++ }
++ *vxp = vxi;
++}
++
++
++#define set_vx_info(p, i) \
++ __set_vx_info(p, i, __FILE__, __LINE__, __HERE__)
++
++static inline void __set_vx_info(struct vx_info **vxp, struct vx_info *vxi,
++ const char *_file, int _line, void *_here)
++{
++ struct vx_info *vxo;
++
++ if (!vxi)
++ return;
++
++ vxlprintk(VXD_CBIT(xid, 3), "set_vx_info(%p[#%d.%d])",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_set_vx_info(vxi, vxp, _here);
++
++ atomic_inc(&vxi->vx_usecnt);
++ vxo = xchg(vxp, vxi);
++ BUG_ON(vxo);
++}
++
++
++#define clr_vx_info(p) __clr_vx_info(p, __FILE__, __LINE__, __HERE__)
++
++static inline void __clr_vx_info(struct vx_info **vxp,
++ const char *_file, int _line, void *_here)
++{
++ struct vx_info *vxo;
++
++ vxo = xchg(vxp, NULL);
++ if (!vxo)
++ return;
++
++ vxlprintk(VXD_CBIT(xid, 3), "clr_vx_info(%p[#%d.%d])",
++ vxo, vxo ? vxo->vx_id : 0,
++ vxo ? atomic_read(&vxo->vx_usecnt) : 0,
++ _file, _line);
++ __vxh_clr_vx_info(vxo, vxp, _here);
++
++ if (atomic_dec_and_test(&vxo->vx_usecnt))
++ free_vx_info(vxo);
++}
++
++
++#define claim_vx_info(v, p) \
++ __claim_vx_info(v, p, __FILE__, __LINE__, __HERE__)
++
++static inline void __claim_vx_info(struct vx_info *vxi,
++ struct task_struct *task,
++ const char *_file, int _line, void *_here)
++{
++ vxlprintk(VXD_CBIT(xid, 3), "claim_vx_info(%p[#%d.%d.%d]) %p",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ vxi ? atomic_read(&vxi->vx_tasks) : 0,
++ task, _file, _line);
++ __vxh_claim_vx_info(vxi, task, _here);
++
++ atomic_inc(&vxi->vx_tasks);
++}
++
++
++extern void unhash_vx_info(struct vx_info *);
++
++#define release_vx_info(v, p) \
++ __release_vx_info(v, p, __FILE__, __LINE__, __HERE__)
++
++static inline void __release_vx_info(struct vx_info *vxi,
++ struct task_struct *task,
++ const char *_file, int _line, void *_here)
++{
++ vxlprintk(VXD_CBIT(xid, 3), "release_vx_info(%p[#%d.%d.%d]) %p",
++ vxi, vxi ? vxi->vx_id : 0,
++ vxi ? atomic_read(&vxi->vx_usecnt) : 0,
++ vxi ? atomic_read(&vxi->vx_tasks) : 0,
++ task, _file, _line);
++ __vxh_release_vx_info(vxi, task, _here);
++
++ might_sleep();
++
++ if (atomic_dec_and_test(&vxi->vx_tasks))
++ unhash_vx_info(vxi);
++}
++
++
++#define task_get_vx_info(p) \
++ __task_get_vx_info(p, __FILE__, __LINE__, __HERE__)
++
++static inline struct vx_info *__task_get_vx_info(struct task_struct *p,
++ const char *_file, int _line, void *_here)
++{
++ struct vx_info *vxi;
++
++ task_lock(p);
++ vxlprintk(VXD_CBIT(xid, 5), "task_get_vx_info(%p)",
++ p, _file, _line);
++ vxi = __get_vx_info(p->vx_info, _file, _line, _here);
++ task_unlock(p);
++ return vxi;
++}
++
++
++static inline void __wakeup_vx_info(struct vx_info *vxi)
++{
++ if (waitqueue_active(&vxi->vx_wait))
++ wake_up_interruptible(&vxi->vx_wait);
++}
++
++
++#define enter_vx_info(v, s) __enter_vx_info(v, s, __FILE__, __LINE__)
++
++static inline void __enter_vx_info(struct vx_info *vxi,
++ struct vx_info_save *vxis, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(xid, 5), "enter_vx_info(%p[#%d],%p) %p[#%d,%p]",
++ vxi, vxi ? vxi->vx_id : 0, vxis, current,
++ current->xid, current->vx_info, _file, _line);
++ vxis->vxi = xchg(&current->vx_info, vxi);
++ vxis->xid = current->xid;
++ current->xid = vxi ? vxi->vx_id : 0;
++}
++
++#define leave_vx_info(s) __leave_vx_info(s, __FILE__, __LINE__)
++
++static inline void __leave_vx_info(struct vx_info_save *vxis,
++ const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(xid, 5), "leave_vx_info(%p[#%d,%p]) %p[#%d,%p]",
++ vxis, vxis->xid, vxis->vxi, current,
++ current->xid, current->vx_info, _file, _line);
++ (void)xchg(&current->vx_info, vxis->vxi);
++ current->xid = vxis->xid;
++}
++
++
++static inline void __enter_vx_admin(struct vx_info_save *vxis)
++{
++ vxis->vxi = xchg(&current->vx_info, NULL);
++ vxis->xid = xchg(&current->xid, (xid_t)0);
++}
++
++static inline void __leave_vx_admin(struct vx_info_save *vxis)
++{
++ (void)xchg(&current->xid, vxis->xid);
++ (void)xchg(&current->vx_info, vxis->vxi);
++}
++
++#define task_is_init(p) \
++ __task_is_init(p, __FILE__, __LINE__, __HERE__)
++
++static inline int __task_is_init(struct task_struct *p,
++ const char *_file, int _line, void *_here)
++{
++ int is_init = is_global_init(p);
++
++ task_lock(p);
++ if (p->vx_info)
++ is_init = p->vx_info->vx_initpid == p->pid;
++ task_unlock(p);
++ return is_init;
++}
++
++extern void exit_vx_info(struct task_struct *, int);
++extern void exit_vx_info_early(struct task_struct *, int);
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_cowbl.h linux-3.7.10-vs2.3.5.6/include/linux/vs_cowbl.h
+--- linux-3.7.10/include/linux/vs_cowbl.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_cowbl.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,48 @@
++#ifndef _VS_COWBL_H
++#define _VS_COWBL_H
++
++#include <linux/fs.h>
++#include <linux/dcache.h>
++#include <linux/namei.h>
++#include <linux/slab.h>
++
++extern struct dentry *cow_break_link(const char *pathname);
++
++static inline int cow_check_and_break(struct path *path)
++{
++ struct inode *inode = path->dentry->d_inode;
++ int error = 0;
++
++ /* do we need this check? */
++ if (IS_RDONLY(inode))
++ return -EROFS;
++
++ if (IS_COW(inode)) {
++ if (IS_COW_LINK(inode)) {
++ struct dentry *new_dentry, *old_dentry = path->dentry;
++ char *pp, *buf;
++
++ buf = kmalloc(PATH_MAX, GFP_KERNEL);
++ if (!buf) {
++ return -ENOMEM;
++ }
++ pp = d_path(path, buf, PATH_MAX);
++ new_dentry = cow_break_link(pp);
++ kfree(buf);
++ if (!IS_ERR(new_dentry)) {
++ path->dentry = new_dentry;
++ dput(old_dentry);
++ } else
++ error = PTR_ERR(new_dentry);
++ } else {
++ inode->i_flags &= ~(S_IXUNLINK | S_IMMUTABLE);
++ inode->i_ctime = CURRENT_TIME;
++ mark_inode_dirty(inode);
++ }
++ }
++ return error;
++}
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_cvirt.h linux-3.7.10-vs2.3.5.6/include/linux/vs_cvirt.h
+--- linux-3.7.10/include/linux/vs_cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_cvirt.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,50 @@
++#ifndef _VS_CVIRT_H
++#define _VS_CVIRT_H
++
++#include "vserver/cvirt.h"
++#include "vserver/context.h"
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
++
++
++static inline void vx_activate_task(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info)) {
++ vx_update_load(vxi);
++ atomic_inc(&vxi->cvirt.nr_running);
++ }
++}
++
++static inline void vx_deactivate_task(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info)) {
++ vx_update_load(vxi);
++ atomic_dec(&vxi->cvirt.nr_running);
++ }
++}
++
++static inline void vx_uninterruptible_inc(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info))
++ atomic_inc(&vxi->cvirt.nr_uninterruptible);
++}
++
++static inline void vx_uninterruptible_dec(struct task_struct *p)
++{
++ struct vx_info *vxi;
++
++ if ((vxi = p->vx_info))
++ atomic_dec(&vxi->cvirt.nr_uninterruptible);
++}
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_device.h linux-3.7.10-vs2.3.5.6/include/linux/vs_device.h
+--- linux-3.7.10/include/linux/vs_device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_device.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,45 @@
++#ifndef _VS_DEVICE_H
++#define _VS_DEVICE_H
++
++#include "vserver/base.h"
++#include "vserver/device.h"
++#include "vserver/debug.h"
++
++
++#ifdef CONFIG_VSERVER_DEVICE
++
++int vs_map_device(struct vx_info *, dev_t, dev_t *, umode_t);
++
++#define vs_device_perm(v, d, m, p) \
++ ((vs_map_device(current_vx_info(), d, NULL, m) & (p)) == (p))
++
++#else
++
++static inline
++int vs_map_device(struct vx_info *vxi,
++ dev_t device, dev_t *target, umode_t mode)
++{
++ if (target)
++ *target = device;
++ return ~0;
++}
++
++#define vs_device_perm(v, d, m, p) ((p) == (p))
++
++#endif
++
++
++#define vs_map_chrdev(d, t, p) \
++ ((vs_map_device(current_vx_info(), d, t, S_IFCHR) & (p)) == (p))
++#define vs_map_blkdev(d, t, p) \
++ ((vs_map_device(current_vx_info(), d, t, S_IFBLK) & (p)) == (p))
++
++#define vs_chrdev_perm(d, p) \
++ vs_device_perm(current_vx_info(), d, S_IFCHR, p)
++#define vs_blkdev_perm(d, p) \
++ vs_device_perm(current_vx_info(), d, S_IFBLK, p)
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_dlimit.h linux-3.7.10-vs2.3.5.6/include/linux/vs_dlimit.h
+--- linux-3.7.10/include/linux/vs_dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_dlimit.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,215 @@
++#ifndef _VS_DLIMIT_H
++#define _VS_DLIMIT_H
++
++#include <linux/fs.h>
++
++#include "vserver/dlimit.h"
++#include "vserver/base.h"
++#include "vserver/debug.h"
++
++
++#define get_dl_info(i) __get_dl_info(i, __FILE__, __LINE__)
++
++static inline struct dl_info *__get_dl_info(struct dl_info *dli,
++ const char *_file, int _line)
++{
++ if (!dli)
++ return NULL;
++ vxlprintk(VXD_CBIT(dlim, 4), "get_dl_info(%p[#%d.%d])",
++ dli, dli ? dli->dl_tag : 0,
++ dli ? atomic_read(&dli->dl_usecnt) : 0,
++ _file, _line);
++ atomic_inc(&dli->dl_usecnt);
++ return dli;
++}
++
++
++#define free_dl_info(i) \
++ call_rcu(&(i)->dl_rcu, rcu_free_dl_info)
++
++#define put_dl_info(i) __put_dl_info(i, __FILE__, __LINE__)
++
++static inline void __put_dl_info(struct dl_info *dli,
++ const char *_file, int _line)
++{
++ if (!dli)
++ return;
++ vxlprintk(VXD_CBIT(dlim, 4), "put_dl_info(%p[#%d.%d])",
++ dli, dli ? dli->dl_tag : 0,
++ dli ? atomic_read(&dli->dl_usecnt) : 0,
++ _file, _line);
++ if (atomic_dec_and_test(&dli->dl_usecnt))
++ free_dl_info(dli);
++}
++
++
++#define __dlimit_char(d) ((d) ? '*' : ' ')
++
++static inline int __dl_alloc_space(struct super_block *sb,
++ tag_t tag, dlsize_t nr, const char *file, int line)
++{
++ struct dl_info *dli = NULL;
++ int ret = 0;
++
++ if (nr == 0)
++ goto out;
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ ret = (dli->dl_space_used + nr > dli->dl_space_total);
++ if (!ret)
++ dli->dl_space_used += nr;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 1),
++ "ALLOC (%p,#%d)%c %lld bytes (%d)",
++ sb, tag, __dlimit_char(dli), (long long)nr,
++ ret, file, line);
++ return ret ? -ENOSPC : 0;
++}
++
++static inline void __dl_free_space(struct super_block *sb,
++ tag_t tag, dlsize_t nr, const char *_file, int _line)
++{
++ struct dl_info *dli = NULL;
++
++ if (nr == 0)
++ goto out;
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ if (dli->dl_space_used > nr)
++ dli->dl_space_used -= nr;
++ else
++ dli->dl_space_used = 0;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 1),
++ "FREE (%p,#%d)%c %lld bytes",
++ sb, tag, __dlimit_char(dli), (long long)nr,
++ _file, _line);
++}
++
++static inline int __dl_alloc_inode(struct super_block *sb,
++ tag_t tag, const char *_file, int _line)
++{
++ struct dl_info *dli;
++ int ret = 0;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ dli->dl_inodes_used++;
++ ret = (dli->dl_inodes_used > dli->dl_inodes_total);
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 0),
++ "ALLOC (%p,#%d)%c inode (%d)",
++ sb, tag, __dlimit_char(dli), ret, _file, _line);
++ return ret ? -ENOSPC : 0;
++}
++
++static inline void __dl_free_inode(struct super_block *sb,
++ tag_t tag, const char *_file, int _line)
++{
++ struct dl_info *dli;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ goto out;
++
++ spin_lock(&dli->dl_lock);
++ if (dli->dl_inodes_used > 1)
++ dli->dl_inodes_used--;
++ else
++ dli->dl_inodes_used = 0;
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++out:
++ vxlprintk(VXD_CBIT(dlim, 0),
++ "FREE (%p,#%d)%c inode",
++ sb, tag, __dlimit_char(dli), _file, _line);
++}
++
++static inline void __dl_adjust_block(struct super_block *sb, tag_t tag,
++ unsigned long long *free_blocks, unsigned long long *root_blocks,
++ const char *_file, int _line)
++{
++ struct dl_info *dli;
++ uint64_t broot, bfree;
++
++ dli = locate_dl_info(sb, tag);
++ if (!dli)
++ return;
++
++ spin_lock(&dli->dl_lock);
++ broot = (dli->dl_space_total -
++ (dli->dl_space_total >> 10) * dli->dl_nrlmult)
++ >> sb->s_blocksize_bits;
++ bfree = (dli->dl_space_total - dli->dl_space_used)
++ >> sb->s_blocksize_bits;
++ spin_unlock(&dli->dl_lock);
++
++ vxlprintk(VXD_CBIT(dlim, 2),
++ "ADJUST: %lld,%lld on %lld,%lld [mult=%d]",
++ (long long)bfree, (long long)broot,
++ *free_blocks, *root_blocks, dli->dl_nrlmult,
++ _file, _line);
++ if (free_blocks) {
++ if (*free_blocks > bfree)
++ *free_blocks = bfree;
++ }
++ if (root_blocks) {
++ if (*root_blocks > broot)
++ *root_blocks = broot;
++ }
++ put_dl_info(dli);
++}
++
++#define dl_prealloc_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_alloc_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_reserve_space(in, bytes) \
++ __dl_alloc_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_claim_space(in, bytes) (0)
++
++#define dl_release_space(in, bytes) \
++ __dl_free_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++#define dl_free_space(in, bytes) \
++ __dl_free_space((in)->i_sb, i_tag_read(in), (dlsize_t)(bytes), \
++ __FILE__, __LINE__ )
++
++
++
++#define dl_alloc_inode(in) \
++ __dl_alloc_inode((in)->i_sb, i_tag_read(in), __FILE__, __LINE__ )
++
++#define dl_free_inode(in) \
++ __dl_free_inode((in)->i_sb, i_tag_read(in), __FILE__, __LINE__ )
++
++
++#define dl_adjust_block(sb, tag, fb, rb) \
++ __dl_adjust_block(sb, tag, fb, rb, __FILE__, __LINE__ )
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_inet.h linux-3.7.10-vs2.3.5.6/include/linux/vs_inet.h
+--- linux-3.7.10/include/linux/vs_inet.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_inet.h 2013-01-04 23:27:50.000000000 +0000
+@@ -0,0 +1,364 @@
++#ifndef _VS_INET_H
++#define _VS_INET_H
++
++#include "vserver/base.h"
++#include "vserver/network.h"
++#include "vserver/debug.h"
++
++#define IPI_LOOPBACK htonl(INADDR_LOOPBACK)
++
++#define NXAV4(a) NIPQUAD((a)->ip[0]), NIPQUAD((a)->ip[1]), \
++ NIPQUAD((a)->mask), (a)->type
++#define NXAV4_FMT "[" NIPQUAD_FMT "-" NIPQUAD_FMT "/" NIPQUAD_FMT ":%04x]"
++
++#define NIPQUAD(addr) \
++ ((unsigned char *)&addr)[0], \
++ ((unsigned char *)&addr)[1], \
++ ((unsigned char *)&addr)[2], \
++ ((unsigned char *)&addr)[3]
++
++#define NIPQUAD_FMT "%u.%u.%u.%u"
++
++
++static inline
++int v4_addr_match(struct nx_addr_v4 *nxa, __be32 addr, uint16_t tmask)
++{
++ __be32 ip = nxa->ip[0].s_addr;
++ __be32 mask = nxa->mask.s_addr;
++ __be32 bcast = ip | ~mask;
++ int ret = 0;
++
++ switch (nxa->type & tmask) {
++ case NXA_TYPE_MASK:
++ ret = (ip == (addr & mask));
++ break;
++ case NXA_TYPE_ADDR:
++ ret = 3;
++ if (addr == ip)
++ break;
++ /* fall through to broadcast */
++ case NXA_MOD_BCAST:
++ ret = ((tmask & NXA_MOD_BCAST) && (addr == bcast));
++ break;
++ case NXA_TYPE_RANGE:
++ ret = ((nxa->ip[0].s_addr <= addr) &&
++ (nxa->ip[1].s_addr > addr));
++ break;
++ case NXA_TYPE_ANY:
++ ret = 2;
++ break;
++ }
++
++ vxdprintk(VXD_CBIT(net, 0),
++ "v4_addr_match(%p" NXAV4_FMT "," NIPQUAD_FMT ",%04x) = %d",
++ nxa, NXAV4(nxa), NIPQUAD(addr), tmask, ret);
++ return ret;
++}
++
++static inline
++int v4_addr_in_nx_info(struct nx_info *nxi, __be32 addr, uint16_t tmask)
++{
++ struct nx_addr_v4 *nxa;
++ unsigned long irqflags;
++ int ret = 1;
++
++ if (!nxi)
++ goto out;
++
++ ret = 2;
++ /* allow 127.0.0.1 when remapping lback */
++ if ((tmask & NXA_LOOPBACK) &&
++ (addr == IPI_LOOPBACK) &&
++ nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ goto out;
++ ret = 3;
++ /* check for lback address */
++ if ((tmask & NXA_MOD_LBACK) &&
++ (nxi->v4_lback.s_addr == addr))
++ goto out;
++ ret = 4;
++ /* check for broadcast address */
++ if ((tmask & NXA_MOD_BCAST) &&
++ (nxi->v4_bcast.s_addr == addr))
++ goto out;
++ ret = 5;
++
++ /* check for v4 addresses */
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (nxa = &nxi->v4; nxa; nxa = nxa->next)
++ if (v4_addr_match(nxa, addr, tmask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++out:
++ vxdprintk(VXD_CBIT(net, 0),
++ "v4_addr_in_nx_info(%p[#%u]," NIPQUAD_FMT ",%04x) = %d",
++ nxi, nxi ? nxi->nx_id : 0, NIPQUAD(addr), tmask, ret);
++ return ret;
++}
++
++static inline
++int v4_nx_addr_match(struct nx_addr_v4 *nxa, struct nx_addr_v4 *addr, uint16_t mask)
++{
++ /* FIXME: needs full range checks */
++ return v4_addr_match(nxa, addr->ip[0].s_addr, mask);
++}
++
++static inline
++int v4_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v4 *nxa, uint16_t mask)
++{
++ struct nx_addr_v4 *ptr;
++ unsigned long irqflags;
++ int ret = 1;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (ptr = &nxi->v4; ptr; ptr = ptr->next)
++ if (v4_nx_addr_match(ptr, nxa, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ return ret;
++}
++
++#include <net/inet_sock.h>
++
++/*
++ * Check if a given address matches for a socket
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ */
++static inline
++int v4_sock_addr_match (
++ struct nx_info *nxi,
++ struct inet_sock *inet,
++ __be32 addr)
++{
++ __be32 saddr = inet->inet_rcv_saddr;
++ __be32 bcast = nxi ? nxi->v4_bcast.s_addr : INADDR_BROADCAST;
++
++ if (addr && (saddr == addr || bcast == addr))
++ return 1;
++ if (!saddr)
++ return v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND);
++ return 0;
++}
++
++
++/* inet related checks and helpers */
++
++
++struct in_ifaddr;
++struct net_device;
++struct sock;
++
++#ifdef CONFIG_INET
++
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_sock.h>
++#include <net/inet_timewait_sock.h>
++
++
++int dev_in_nx_info(struct net_device *, struct nx_info *);
++int v4_dev_in_nx_info(struct net_device *, struct nx_info *);
++int nx_v4_addr_conflict(struct nx_info *, struct nx_info *);
++
++
++/*
++ * check if address is covered by socket
++ *
++ * sk: the socket to check against
++ * addr: the address in question (must be != 0)
++ */
++
++static inline
++int __v4_addr_match_socket(const struct sock *sk, struct nx_addr_v4 *nxa)
++{
++ struct nx_info *nxi = sk->sk_nx_info;
++ __be32 saddr = sk_rcv_saddr(sk);
++
++ vxdprintk(VXD_CBIT(net, 5),
++ "__v4_addr_in_socket(%p," NXAV4_FMT ") %p:" NIPQUAD_FMT " %p;%lx",
++ sk, NXAV4(nxa), nxi, NIPQUAD(saddr), sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
++
++ if (saddr) { /* direct address match */
++ return v4_addr_match(nxa, saddr, -1);
++ } else if (nxi) { /* match against nx_info */
++ return v4_nx_addr_in_nx_info(nxi, nxa, -1);
++ } else { /* unrestricted any socket */
++ return 1;
++ }
++}
++
++
++
++static inline
++int nx_dev_visible(struct nx_info *nxi, struct net_device *dev)
++{
++ vxdprintk(VXD_CBIT(net, 1),
++ "nx_dev_visible(%p[#%u],%p " VS_Q("%s") ") %d",
++ nxi, nxi ? nxi->nx_id : 0, dev, dev->name,
++ nxi ? dev_in_nx_info(dev, nxi) : 0);
++
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (dev_in_nx_info(dev, nxi))
++ return 1;
++ return 0;
++}
++
++
++static inline
++int v4_ifa_in_nx_info(struct in_ifaddr *ifa, struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (!ifa)
++ return 0;
++ return v4_addr_in_nx_info(nxi, ifa->ifa_local, NXA_MASK_SHOW);
++}
++
++static inline
++int nx_v4_ifa_visible(struct nx_info *nxi, struct in_ifaddr *ifa)
++{
++ vxdprintk(VXD_CBIT(net, 1), "nx_v4_ifa_visible(%p[#%u],%p) %d",
++ nxi, nxi ? nxi->nx_id : 0, ifa,
++ nxi ? v4_ifa_in_nx_info(ifa, nxi) : 0);
++
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (v4_ifa_in_nx_info(ifa, nxi))
++ return 1;
++ return 0;
++}
++
++
++struct nx_v4_sock_addr {
++ __be32 saddr; /* Address used for validation */
++ __be32 baddr; /* Address used for socket bind */
++};
++
++static inline
++int v4_map_sock_addr(struct inet_sock *inet, struct sockaddr_in *addr,
++ struct nx_v4_sock_addr *nsa)
++{
++ struct sock *sk = &inet->sk;
++ struct nx_info *nxi = sk->sk_nx_info;
++ __be32 saddr = addr->sin_addr.s_addr;
++ __be32 baddr = saddr;
++
++ vxdprintk(VXD_CBIT(net, 3),
++ "inet_bind(%p)* %p,%p;%lx " NIPQUAD_FMT,
++ sk, sk->sk_nx_info, sk->sk_socket,
++ (sk->sk_socket ? sk->sk_socket->flags : 0),
++ NIPQUAD(saddr));
++
++ if (nxi) {
++ if (saddr == INADDR_ANY) {
++ if (nx_info_flags(nxi, NXF_SINGLE_IP, 0))
++ baddr = nxi->v4.ip[0].s_addr;
++ } else if (saddr == IPI_LOOPBACK) {
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ baddr = nxi->v4_lback.s_addr;
++ } else if (!ipv4_is_multicast(saddr) ||
++ !nx_info_ncaps(nxi, NXC_MULTICAST)) {
++ /* normal address bind */
++ if (!v4_addr_in_nx_info(nxi, saddr, NXA_MASK_BIND))
++ return -EADDRNOTAVAIL;
++ }
++ }
++
++ vxdprintk(VXD_CBIT(net, 3),
++ "inet_bind(%p) " NIPQUAD_FMT ", " NIPQUAD_FMT,
++ sk, NIPQUAD(saddr), NIPQUAD(baddr));
++
++ nsa->saddr = saddr;
++ nsa->baddr = baddr;
++ return 0;
++}
++
++static inline
++void v4_set_sock_addr(struct inet_sock *inet, struct nx_v4_sock_addr *nsa)
++{
++ inet->inet_saddr = nsa->baddr;
++ inet->inet_rcv_saddr = nsa->baddr;
++}
++
++
++/*
++ * helper to simplify inet_lookup_listener
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ * saddr: socket address
++ */
++static inline int v4_inet_addr_match (
++ struct nx_info *nxi,
++ __be32 addr,
++ __be32 saddr)
++{
++ if (addr && (saddr == addr))
++ return 1;
++ if (!saddr)
++ return nxi ? v4_addr_in_nx_info(nxi, addr, NXA_MASK_BIND) : 1;
++ return 0;
++}
++
++static inline __be32 nx_map_sock_lback(struct nx_info *nxi, __be32 addr)
++{
++ if (nx_info_flags(nxi, NXF_HIDE_LBACK, 0) &&
++ (addr == nxi->v4_lback.s_addr))
++ return IPI_LOOPBACK;
++ return addr;
++}
++
++static inline
++int nx_info_has_v4(struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (NX_IPV4(nxi))
++ return 1;
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0))
++ return 1;
++ return 0;
++}
++
++#else /* CONFIG_INET */
++
++static inline
++int nx_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
++
++static inline
++int nx_v4_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
++
++static inline
++int v4_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
++
++static inline
++int nx_info_has_v4(struct nx_info *nxi)
++{
++ return 0;
++}
++
++#endif /* CONFIG_INET */
++
++#define current_nx_info_has_v4() \
++ nx_info_has_v4(current_nx_info())
++
++#else
++// #warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_inet6.h linux-3.7.10-vs2.3.5.6/include/linux/vs_inet6.h
+--- linux-3.7.10/include/linux/vs_inet6.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_inet6.h 2013-01-04 23:27:50.000000000 +0000
+@@ -0,0 +1,257 @@
++#ifndef _VS_INET6_H
++#define _VS_INET6_H
++
++#include "vserver/base.h"
++#include "vserver/network.h"
++#include "vserver/debug.h"
++
++#include <net/ipv6.h>
++
++#define NXAV6(a) &(a)->ip, &(a)->mask, (a)->prefix, (a)->type
++#define NXAV6_FMT "[%pI6/%pI6/%d:%04x]"
++
++
++#ifdef CONFIG_IPV6
++
++static inline
++int v6_addr_match(struct nx_addr_v6 *nxa,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ int ret = 0;
++
++ switch (nxa->type & mask) {
++ case NXA_TYPE_MASK:
++ ret = ipv6_masked_addr_cmp(&nxa->ip, &nxa->mask, addr);
++ break;
++ case NXA_TYPE_ADDR:
++ ret = ipv6_addr_equal(&nxa->ip, addr);
++ break;
++ case NXA_TYPE_ANY:
++ ret = 1;
++ break;
++ }
++ vxdprintk(VXD_CBIT(net, 0),
++ "v6_addr_match(%p" NXAV6_FMT ",%pI6,%04x) = %d",
++ nxa, NXAV6(nxa), addr, mask, ret);
++ return ret;
++}
++
++static inline
++int v6_addr_in_nx_info(struct nx_info *nxi,
++ const struct in6_addr *addr, uint16_t mask)
++{
++ struct nx_addr_v6 *nxa;
++ unsigned long irqflags;
++ int ret = 1;
++
++ if (!nxi)
++ goto out;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (nxa = &nxi->v6; nxa; nxa = nxa->next)
++ if (v6_addr_match(nxa, addr, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++out:
++ vxdprintk(VXD_CBIT(net, 0),
++ "v6_addr_in_nx_info(%p[#%u],%pI6,%04x) = %d",
++ nxi, nxi ? nxi->nx_id : 0, addr, mask, ret);
++ return ret;
++}
++
++static inline
++int v6_nx_addr_match(struct nx_addr_v6 *nxa, struct nx_addr_v6 *addr, uint16_t mask)
++{
++ /* FIXME: needs full range checks */
++ return v6_addr_match(nxa, &addr->ip, mask);
++}
++
++static inline
++int v6_nx_addr_in_nx_info(struct nx_info *nxi, struct nx_addr_v6 *nxa, uint16_t mask)
++{
++ struct nx_addr_v6 *ptr;
++ unsigned long irqflags;
++ int ret = 1;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ for (ptr = &nxi->v6; ptr; ptr = ptr->next)
++ if (v6_nx_addr_match(ptr, nxa, mask))
++ goto out_unlock;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ return ret;
++}
++
++
++/*
++ * Check if a given address matches for a socket
++ *
++ * nxi: the socket's nx_info if any
++ * addr: to be verified address
++ */
++static inline
++int v6_sock_addr_match (
++ struct nx_info *nxi,
++ struct inet_sock *inet,
++ struct in6_addr *addr)
++{
++ struct sock *sk = &inet->sk;
++ struct in6_addr *saddr = inet6_rcv_saddr(sk);
++
++ if (!ipv6_addr_any(addr) &&
++ ipv6_addr_equal(saddr, addr))
++ return 1;
++ if (ipv6_addr_any(saddr))
++ return v6_addr_in_nx_info(nxi, addr, -1);
++ return 0;
++}
++
++/*
++ * check if address is covered by socket
++ *
++ * sk: the socket to check against
++ * addr: the address in question (must be != 0)
++ */
++
++static inline
++int __v6_addr_match_socket(const struct sock *sk, struct nx_addr_v6 *nxa)
++{
++ struct nx_info *nxi = sk->sk_nx_info;
++ struct in6_addr *saddr = inet6_rcv_saddr(sk);
++
++ vxdprintk(VXD_CBIT(net, 5),
++ "__v6_addr_in_socket(%p," NXAV6_FMT ") %p:%pI6 %p;%lx",
++ sk, NXAV6(nxa), nxi, saddr, sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
++
++ if (!ipv6_addr_any(saddr)) { /* direct address match */
++ return v6_addr_match(nxa, saddr, -1);
++ } else if (nxi) { /* match against nx_info */
++ return v6_nx_addr_in_nx_info(nxi, nxa, -1);
++ } else { /* unrestricted any socket */
++ return 1;
++ }
++}
++
++
++/* inet related checks and helpers */
++
++
++struct in_ifaddr;
++struct net_device;
++struct sock;
++
++
++#include <linux/netdevice.h>
++#include <linux/inetdevice.h>
++#include <net/inet_timewait_sock.h>
++
++
++int dev_in_nx_info(struct net_device *, struct nx_info *);
++int v6_dev_in_nx_info(struct net_device *, struct nx_info *);
++int nx_v6_addr_conflict(struct nx_info *, struct nx_info *);
++
++
++
++static inline
++int v6_ifa_in_nx_info(struct inet6_ifaddr *ifa, struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (!ifa)
++ return 0;
++ return v6_addr_in_nx_info(nxi, &ifa->addr, -1);
++}
++
++static inline
++int nx_v6_ifa_visible(struct nx_info *nxi, struct inet6_ifaddr *ifa)
++{
++ vxdprintk(VXD_CBIT(net, 1), "nx_v6_ifa_visible(%p[#%u],%p) %d",
++ nxi, nxi ? nxi->nx_id : 0, ifa,
++ nxi ? v6_ifa_in_nx_info(ifa, nxi) : 0);
++
++ if (!nx_info_flags(nxi, NXF_HIDE_NETIF, 0))
++ return 1;
++ if (v6_ifa_in_nx_info(ifa, nxi))
++ return 1;
++ return 0;
++}
++
++
++struct nx_v6_sock_addr {
++ struct in6_addr saddr; /* Address used for validation */
++ struct in6_addr baddr; /* Address used for socket bind */
++};
++
++static inline
++int v6_map_sock_addr(struct inet_sock *inet, struct sockaddr_in6 *addr,
++ struct nx_v6_sock_addr *nsa)
++{
++ // struct sock *sk = &inet->sk;
++ // struct nx_info *nxi = sk->sk_nx_info;
++ struct in6_addr saddr = addr->sin6_addr;
++ struct in6_addr baddr = saddr;
++
++ nsa->saddr = saddr;
++ nsa->baddr = baddr;
++ return 0;
++}
++
++static inline
++void v6_set_sock_addr(struct inet_sock *inet, struct nx_v6_sock_addr *nsa)
++{
++ // struct sock *sk = &inet->sk;
++ // struct in6_addr *saddr = inet6_rcv_saddr(sk);
++
++ // *saddr = nsa->baddr;
++ // inet->inet_saddr = nsa->baddr;
++}
++
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ if (!nxi)
++ return 1;
++ if (NX_IPV6(nxi))
++ return 1;
++ return 0;
++}
++
++#else /* CONFIG_IPV6 */
++
++static inline
++int nx_v6_dev_visible(struct nx_info *n, struct net_device *d)
++{
++ return 1;
++}
++
++
++static inline
++int nx_v6_addr_conflict(struct nx_info *n, uint32_t a, const struct sock *s)
++{
++ return 1;
++}
++
++static inline
++int v6_ifa_in_nx_info(struct in_ifaddr *a, struct nx_info *n)
++{
++ return 1;
++}
++
++static inline
++int nx_info_has_v6(struct nx_info *nxi)
++{
++ return 0;
++}
++
++#endif /* CONFIG_IPV6 */
++
++#define current_nx_info_has_v6() \
++ nx_info_has_v6(current_nx_info())
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_limit.h linux-3.7.10-vs2.3.5.6/include/linux/vs_limit.h
+--- linux-3.7.10/include/linux/vs_limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_limit.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,140 @@
++#ifndef _VS_LIMIT_H
++#define _VS_LIMIT_H
++
++#include "vserver/limit.h"
++#include "vserver/base.h"
++#include "vserver/context.h"
++#include "vserver/debug.h"
++#include "vserver/context.h"
++#include "vserver/limit_int.h"
++
++
++#define vx_acc_cres(v, d, p, r) \
++ __vx_acc_cres(v, r, d, p, __FILE__, __LINE__)
++
++#define vx_acc_cres_cond(x, d, p, r) \
++ __vx_acc_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
++ r, d, p, __FILE__, __LINE__)
++
++
++#define vx_add_cres(v, a, p, r) \
++ __vx_add_cres(v, r, a, p, __FILE__, __LINE__)
++#define vx_sub_cres(v, a, p, r) vx_add_cres(v, -(a), p, r)
++
++#define vx_add_cres_cond(x, a, p, r) \
++ __vx_add_cres(((x) == vx_current_xid()) ? current_vx_info() : 0, \
++ r, a, p, __FILE__, __LINE__)
++#define vx_sub_cres_cond(x, a, p, r) vx_add_cres_cond(x, -(a), p, r)
++
++
++/* process and file limits */
++
++#define vx_nproc_inc(p) \
++ vx_acc_cres((p)->vx_info, 1, p, RLIMIT_NPROC)
++
++#define vx_nproc_dec(p) \
++ vx_acc_cres((p)->vx_info,-1, p, RLIMIT_NPROC)
++
++#define vx_files_inc(f) \
++ vx_acc_cres_cond((f)->f_xid, 1, f, RLIMIT_NOFILE)
++
++#define vx_files_dec(f) \
++ vx_acc_cres_cond((f)->f_xid,-1, f, RLIMIT_NOFILE)
++
++#define vx_locks_inc(l) \
++ vx_acc_cres_cond((l)->fl_xid, 1, l, RLIMIT_LOCKS)
++
++#define vx_locks_dec(l) \
++ vx_acc_cres_cond((l)->fl_xid,-1, l, RLIMIT_LOCKS)
++
++#define vx_openfd_inc(f) \
++ vx_acc_cres(current_vx_info(), 1, (void *)(long)(f), VLIMIT_OPENFD)
++
++#define vx_openfd_dec(f) \
++ vx_acc_cres(current_vx_info(),-1, (void *)(long)(f), VLIMIT_OPENFD)
++
++
++#define vx_cres_avail(v, n, r) \
++ __vx_cres_avail(v, r, n, __FILE__, __LINE__)
++
++
++#define vx_nproc_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NPROC)
++
++#define vx_files_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_NOFILE)
++
++#define vx_locks_avail(n) \
++ vx_cres_avail(current_vx_info(), n, RLIMIT_LOCKS)
++
++#define vx_openfd_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_OPENFD)
++
++
++/* dentry limits */
++
++#define vx_dentry_inc(d) do { \
++ if ((d)->d_count == 1) \
++ vx_acc_cres(current_vx_info(), 1, d, VLIMIT_DENTRY); \
++ } while (0)
++
++#define vx_dentry_dec(d) do { \
++ if ((d)->d_count == 0) \
++ vx_acc_cres(current_vx_info(),-1, d, VLIMIT_DENTRY); \
++ } while (0)
++
++#define vx_dentry_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_DENTRY)
++
++
++/* socket limits */
++
++#define vx_sock_inc(s) \
++ vx_acc_cres((s)->sk_vx_info, 1, s, VLIMIT_NSOCK)
++
++#define vx_sock_dec(s) \
++ vx_acc_cres((s)->sk_vx_info,-1, s, VLIMIT_NSOCK)
++
++#define vx_sock_avail(n) \
++ vx_cres_avail(current_vx_info(), n, VLIMIT_NSOCK)
++
++
++/* ipc resource limits */
++
++#define vx_ipcmsg_add(v, u, a) \
++ vx_add_cres(v, a, u, RLIMIT_MSGQUEUE)
++
++#define vx_ipcmsg_sub(v, u, a) \
++ vx_sub_cres(v, a, u, RLIMIT_MSGQUEUE)
++
++#define vx_ipcmsg_avail(v, a) \
++ vx_cres_avail(v, a, RLIMIT_MSGQUEUE)
++
++
++#define vx_ipcshm_add(v, k, a) \
++ vx_add_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++
++#define vx_ipcshm_sub(v, k, a) \
++ vx_sub_cres(v, a, (void *)(long)(k), VLIMIT_SHMEM)
++
++#define vx_ipcshm_avail(v, a) \
++ vx_cres_avail(v, a, VLIMIT_SHMEM)
++
++
++#define vx_semary_inc(a) \
++ vx_acc_cres(current_vx_info(), 1, a, VLIMIT_SEMARY)
++
++#define vx_semary_dec(a) \
++ vx_acc_cres(current_vx_info(), -1, a, VLIMIT_SEMARY)
++
++
++#define vx_nsems_add(a,n) \
++ vx_add_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
++
++#define vx_nsems_sub(a,n) \
++ vx_sub_cres(current_vx_info(), n, a, VLIMIT_NSEMS)
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_network.h linux-3.7.10-vs2.3.5.6/include/linux/vs_network.h
+--- linux-3.7.10/include/linux/vs_network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_network.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,169 @@
++#ifndef _NX_VS_NETWORK_H
++#define _NX_VS_NETWORK_H
++
++#include "vserver/context.h"
++#include "vserver/network.h"
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/debug.h"
++
++#include <linux/sched.h>
++
++
++#define get_nx_info(i) __get_nx_info(i, __FILE__, __LINE__)
++
++static inline struct nx_info *__get_nx_info(struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ if (!nxi)
++ return NULL;
++
++ vxlprintk(VXD_CBIT(nid, 2), "get_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ atomic_inc(&nxi->nx_usecnt);
++ return nxi;
++}
++
++
++extern void free_nx_info(struct nx_info *);
++
++#define put_nx_info(i) __put_nx_info(i, __FILE__, __LINE__)
++
++static inline void __put_nx_info(struct nx_info *nxi, const char *_file, int _line)
++{
++ if (!nxi)
++ return;
++
++ vxlprintk(VXD_CBIT(nid, 2), "put_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ if (atomic_dec_and_test(&nxi->nx_usecnt))
++ free_nx_info(nxi);
++}
++
++
++#define init_nx_info(p, i) __init_nx_info(p, i, __FILE__, __LINE__)
++
++static inline void __init_nx_info(struct nx_info **nxp, struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ if (nxi) {
++ vxlprintk(VXD_CBIT(nid, 3),
++ "init_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ atomic_inc(&nxi->nx_usecnt);
++ }
++ *nxp = nxi;
++}
++
++
++#define set_nx_info(p, i) __set_nx_info(p, i, __FILE__, __LINE__)
++
++static inline void __set_nx_info(struct nx_info **nxp, struct nx_info *nxi,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
++
++ if (!nxi)
++ return;
++
++ vxlprintk(VXD_CBIT(nid, 3), "set_nx_info(%p[#%d.%d])",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ _file, _line);
++
++ atomic_inc(&nxi->nx_usecnt);
++ nxo = xchg(nxp, nxi);
++ BUG_ON(nxo);
++}
++
++#define clr_nx_info(p) __clr_nx_info(p, __FILE__, __LINE__)
++
++static inline void __clr_nx_info(struct nx_info **nxp,
++ const char *_file, int _line)
++{
++ struct nx_info *nxo;
++
++ nxo = xchg(nxp, NULL);
++ if (!nxo)
++ return;
++
++ vxlprintk(VXD_CBIT(nid, 3), "clr_nx_info(%p[#%d.%d])",
++ nxo, nxo ? nxo->nx_id : 0,
++ nxo ? atomic_read(&nxo->nx_usecnt) : 0,
++ _file, _line);
++
++ if (atomic_dec_and_test(&nxo->nx_usecnt))
++ free_nx_info(nxo);
++}
++
++
++#define claim_nx_info(v, p) __claim_nx_info(v, p, __FILE__, __LINE__)
++
++static inline void __claim_nx_info(struct nx_info *nxi,
++ struct task_struct *task, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(nid, 3), "claim_nx_info(%p[#%d.%d.%d]) %p",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi?atomic_read(&nxi->nx_usecnt):0,
++ nxi?atomic_read(&nxi->nx_tasks):0,
++ task, _file, _line);
++
++ atomic_inc(&nxi->nx_tasks);
++}
++
++
++extern void unhash_nx_info(struct nx_info *);
++
++#define release_nx_info(v, p) __release_nx_info(v, p, __FILE__, __LINE__)
++
++static inline void __release_nx_info(struct nx_info *nxi,
++ struct task_struct *task, const char *_file, int _line)
++{
++ vxlprintk(VXD_CBIT(nid, 3), "release_nx_info(%p[#%d.%d.%d]) %p",
++ nxi, nxi ? nxi->nx_id : 0,
++ nxi ? atomic_read(&nxi->nx_usecnt) : 0,
++ nxi ? atomic_read(&nxi->nx_tasks) : 0,
++ task, _file, _line);
++
++ might_sleep();
++
++ if (atomic_dec_and_test(&nxi->nx_tasks))
++ unhash_nx_info(nxi);
++}
++
++
++#define task_get_nx_info(i) __task_get_nx_info(i, __FILE__, __LINE__)
++
++static __inline__ struct nx_info *__task_get_nx_info(struct task_struct *p,
++ const char *_file, int _line)
++{
++ struct nx_info *nxi;
++
++ task_lock(p);
++ vxlprintk(VXD_CBIT(nid, 5), "task_get_nx_info(%p)",
++ p, _file, _line);
++ nxi = __get_nx_info(p->nx_info, _file, _line);
++ task_unlock(p);
++ return nxi;
++}
++
++
++static inline void exit_nx_info(struct task_struct *p)
++{
++ if (p->nx_info)
++ release_nx_info(p->nx_info, p);
++}
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_pid.h linux-3.7.10-vs2.3.5.6/include/linux/vs_pid.h
+--- linux-3.7.10/include/linux/vs_pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_pid.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,50 @@
++#ifndef _VS_PID_H
++#define _VS_PID_H
++
++#include "vserver/base.h"
++#include "vserver/check.h"
++#include "vserver/context.h"
++#include "vserver/debug.h"
++#include "vserver/pid.h"
++#include <linux/pid_namespace.h>
++
++
++#define VXF_FAKE_INIT (VXF_INFO_INIT | VXF_STATE_INIT)
++
++static inline
++int vx_proc_task_visible(struct task_struct *task)
++{
++ if ((task->pid == 1) &&
++ !vx_flags(VXF_FAKE_INIT, VXF_FAKE_INIT))
++ /* show a blend through init */
++ goto visible;
++ if (vx_check(vx_task_xid(task), VS_WATCH | VS_IDENT))
++ goto visible;
++ return 0;
++visible:
++ return 1;
++}
++
++#define find_task_by_real_pid(pid) find_task_by_pid_ns(pid, &init_pid_ns)
++
++
++static inline
++struct task_struct *vx_get_proc_task(struct inode *inode, struct pid *pid)
++{
++ struct task_struct *task = get_pid_task(pid, PIDTYPE_PID);
++
++ if (task && !vx_proc_task_visible(task)) {
++ vxdprintk(VXD_CBIT(misc, 6),
++ "dropping task (get) %p[#%u,%u] for %p[#%u,%u]",
++ task, task->xid, task->pid,
++ current, current->xid, current->pid);
++ put_task_struct(task);
++ task = NULL;
++ }
++ return task;
++}
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_sched.h linux-3.7.10-vs2.3.5.6/include/linux/vs_sched.h
+--- linux-3.7.10/include/linux/vs_sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_sched.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,40 @@
++#ifndef _VS_SCHED_H
++#define _VS_SCHED_H
++
++#include "vserver/base.h"
++#include "vserver/context.h"
++#include "vserver/sched.h"
++
++
++#define MAX_PRIO_BIAS 20
++#define MIN_PRIO_BIAS -20
++
++static inline
++int vx_adjust_prio(struct task_struct *p, int prio, int max_user)
++{
++ struct vx_info *vxi = p->vx_info;
++
++ if (vxi)
++ prio += vx_cpu(vxi, sched_pc).prio_bias;
++ return prio;
++}
++
++static inline void vx_account_user(struct vx_info *vxi,
++ cputime_t cputime, int nice)
++{
++ if (!vxi)
++ return;
++ vx_cpu(vxi, sched_pc).user_ticks += cputime;
++}
++
++static inline void vx_account_system(struct vx_info *vxi,
++ cputime_t cputime, int idle)
++{
++ if (!vxi)
++ return;
++ vx_cpu(vxi, sched_pc).sys_ticks += cputime;
++}
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_socket.h linux-3.7.10-vs2.3.5.6/include/linux/vs_socket.h
+--- linux-3.7.10/include/linux/vs_socket.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_socket.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,67 @@
++#ifndef _VS_SOCKET_H
++#define _VS_SOCKET_H
++
++#include "vserver/debug.h"
++#include "vserver/base.h"
++#include "vserver/cacct.h"
++#include "vserver/context.h"
++#include "vserver/tag.h"
++
++
++/* socket accounting */
++
++#include <linux/socket.h>
++
++static inline int vx_sock_type(int family)
++{
++ switch (family) {
++ case PF_UNSPEC:
++ return VXA_SOCK_UNSPEC;
++ case PF_UNIX:
++ return VXA_SOCK_UNIX;
++ case PF_INET:
++ return VXA_SOCK_INET;
++ case PF_INET6:
++ return VXA_SOCK_INET6;
++ case PF_PACKET:
++ return VXA_SOCK_PACKET;
++ default:
++ return VXA_SOCK_OTHER;
++ }
++}
++
++#define vx_acc_sock(v, f, p, s) \
++ __vx_acc_sock(v, f, p, s, __FILE__, __LINE__)
++
++static inline void __vx_acc_sock(struct vx_info *vxi,
++ int family, int pos, int size, char *file, int line)
++{
++ if (vxi) {
++ int type = vx_sock_type(family);
++
++ atomic_long_inc(&vxi->cacct.sock[type][pos].count);
++ atomic_long_add(size, &vxi->cacct.sock[type][pos].total);
++ }
++}
++
++#define vx_sock_recv(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 0, s)
++#define vx_sock_send(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 1, s)
++#define vx_sock_fail(sk, s) \
++ vx_acc_sock((sk)->sk_vx_info, (sk)->sk_family, 2, s)
++
++
++#define sock_vx_init(s) do { \
++ (s)->sk_xid = 0; \
++ (s)->sk_vx_info = NULL; \
++ } while (0)
++
++#define sock_nx_init(s) do { \
++ (s)->sk_nid = 0; \
++ (s)->sk_nx_info = NULL; \
++ } while (0)
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_tag.h linux-3.7.10-vs2.3.5.6/include/linux/vs_tag.h
+--- linux-3.7.10/include/linux/vs_tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_tag.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VS_TAG_H
++#define _VS_TAG_H
++
++#include <linux/vserver/tag.h>
++
++/* check conditions */
++
++#define DX_ADMIN 0x0001
++#define DX_WATCH 0x0002
++#define DX_HOSTID 0x0008
++
++#define DX_IDENT 0x0010
++
++#define DX_ARG_MASK 0x0010
++
++
++#define dx_task_tag(t) ((t)->tag)
++
++#define dx_current_tag() dx_task_tag(current)
++
++#define dx_check(c, m) __dx_check(dx_current_tag(), c, m)
++
++#define dx_weak_check(c, m) ((m) ? dx_check(c, m) : 1)
++
++
++/*
++ * check current context for ADMIN/WATCH and
++ * optionally against supplied argument
++ */
++static inline int __dx_check(tag_t cid, tag_t id, unsigned int mode)
++{
++ if (mode & DX_ARG_MASK) {
++ if ((mode & DX_IDENT) && (id == cid))
++ return 1;
++ }
++ return (((mode & DX_ADMIN) && (cid == 0)) ||
++ ((mode & DX_WATCH) && (cid == 1)) ||
++ ((mode & DX_HOSTID) && (id == 0)));
++}
++
++struct inode;
++int dx_permission(const struct inode *inode, int mask);
++
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vs_time.h linux-3.7.10-vs2.3.5.6/include/linux/vs_time.h
+--- linux-3.7.10/include/linux/vs_time.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vs_time.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VS_TIME_H
++#define _VS_TIME_H
++
++
++/* time faking stuff */
++
++#ifdef CONFIG_VSERVER_VTIME
++
++extern void vx_adjust_timespec(struct timespec *ts);
++extern int vx_settimeofday(const struct timespec *ts);
++
++#else
++#define vx_adjust_timespec(t) do { } while (0)
++#define vx_settimeofday(t) do_settimeofday(t)
++#endif
++
++#else
++#warning duplicate inclusion
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/base.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/base.h
+--- linux-3.7.10/include/linux/vserver/base.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/base.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,178 @@
++#ifndef _VSERVER_BASE_H
++#define _VSERVER_BASE_H
++
++
++/* context state changes */
++
++enum {
++ VSC_STARTUP = 1,
++ VSC_SHUTDOWN,
++
++ VSC_NETUP,
++ VSC_NETDOWN,
++};
++
++
++
++#define vx_task_xid(t) ((t)->xid)
++
++#define vx_current_xid() vx_task_xid(current)
++
++#define current_vx_info() (current->vx_info)
++
++
++#define nx_task_nid(t) ((t)->nid)
++
++#define nx_current_nid() nx_task_nid(current)
++
++#define current_nx_info() (current->nx_info)
++
++
++/* generic flag merging */
++
++#define vs_check_flags(v, m, f) (((v) & (m)) ^ (f))
++
++#define vs_mask_flags(v, f, m) (((v) & ~(m)) | ((f) & (m)))
++
++#define vs_mask_mask(v, f, m) (((v) & ~(m)) | ((v) & (f) & (m)))
++
++#define vs_check_bit(v, n) ((v) & (1LL << (n)))
++
++
++/* context flags */
++
++#define __vx_flags(v) ((v) ? (v)->vx_flags : 0)
++
++#define vx_current_flags() __vx_flags(current_vx_info())
++
++#define vx_info_flags(v, m, f) \
++ vs_check_flags(__vx_flags(v), m, f)
++
++#define task_vx_flags(t, m, f) \
++ ((t) && vx_info_flags((t)->vx_info, m, f))
++
++#define vx_flags(m, f) vx_info_flags(current_vx_info(), m, f)
++
++
++/* context caps */
++
++#define __vx_ccaps(v) ((v) ? (v)->vx_ccaps : 0)
++
++#define vx_current_ccaps() __vx_ccaps(current_vx_info())
++
++#define vx_info_ccaps(v, c) (__vx_ccaps(v) & (c))
++
++#define vx_ccaps(c) vx_info_ccaps(current_vx_info(), (c))
++
++
++
++/* network flags */
++
++#define __nx_flags(n) ((n) ? (n)->nx_flags : 0)
++
++#define nx_current_flags() __nx_flags(current_nx_info())
++
++#define nx_info_flags(n, m, f) \
++ vs_check_flags(__nx_flags(n), m, f)
++
++#define task_nx_flags(t, m, f) \
++ ((t) && nx_info_flags((t)->nx_info, m, f))
++
++#define nx_flags(m, f) nx_info_flags(current_nx_info(), m, f)
++
++
++/* network caps */
++
++#define __nx_ncaps(n) ((n) ? (n)->nx_ncaps : 0)
++
++#define nx_current_ncaps() __nx_ncaps(current_nx_info())
++
++#define nx_info_ncaps(n, c) (__nx_ncaps(n) & (c))
++
++#define nx_ncaps(c) nx_info_ncaps(current_nx_info(), c)
++
++
++/* context mask capabilities */
++
++#define __vx_mcaps(v) ((v) ? (v)->vx_ccaps >> 32UL : ~0 )
++
++#define vx_info_mcaps(v, c) (__vx_mcaps(v) & (c))
++
++#define vx_mcaps(c) vx_info_mcaps(current_vx_info(), c)
++
++
++/* context bcap mask */
++
++#define __vx_bcaps(v) ((v)->vx_bcaps)
++
++#define vx_current_bcaps() __vx_bcaps(current_vx_info())
++
++
++/* mask given bcaps */
++
++#define vx_info_mbcaps(v, c) ((v) ? cap_intersect(__vx_bcaps(v), c) : c)
++
++#define vx_mbcaps(c) vx_info_mbcaps(current_vx_info(), c)
++
++
++/* masked cap_bset */
++
++#define vx_info_cap_bset(v) vx_info_mbcaps(v, current->cap_bset)
++
++#define vx_current_cap_bset() vx_info_cap_bset(current_vx_info())
++
++#if 0
++#define vx_info_mbcap(v, b) \
++ (!vx_info_flags(v, VXF_STATE_SETUP, 0) ? \
++ vx_info_bcaps(v, b) : (b))
++
++#define task_vx_mbcap(t, b) \
++ vx_info_mbcap((t)->vx_info, (t)->b)
++
++#define vx_mbcap(b) task_vx_mbcap(current, b)
++#endif
++
++#define vx_cap_raised(v, c, f) cap_raised(vx_info_mbcaps(v, c), f)
++
++#define vx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
++
++#define vx_ns_capable(n, b, c) (ns_capable(n, b) || \
++ (cap_raised(current_cap(), b) && vx_ccaps(c)))
++
++#define nx_capable(b, c) (capable(b) || \
++ (cap_raised(current_cap(), b) && nx_ncaps(c)))
++
++#define vx_task_initpid(t, n) \
++ ((t)->vx_info && \
++ ((t)->vx_info->vx_initpid == (n)))
++
++#define vx_current_initpid(n) vx_task_initpid(current, n)
++
++
++/* context unshare mask */
++
++#define __vx_umask(v) ((v)->vx_umask)
++
++#define vx_current_umask() __vx_umask(current_vx_info())
++
++#define vx_can_unshare(b, f) (capable(b) || \
++ (cap_raised(current_cap(), b) && \
++ !((f) & ~vx_current_umask())))
++
++
++#define __vx_wmask(v) ((v)->vx_wmask)
++
++#define vx_current_wmask() __vx_wmask(current_vx_info())
++
++
++#define __vx_state(v) ((v) ? ((v)->vx_state) : 0)
++
++#define vx_info_state(v, m) (__vx_state(v) & (m))
++
++
++#define __nx_state(n) ((n) ? ((n)->nx_state) : 0)
++
++#define nx_info_state(n, m) (__nx_state(n) & (m))
++
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cacct.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct.h
+--- linux-3.7.10/include/linux/vserver/cacct.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,15 @@
++#ifndef _VSERVER_CACCT_H
++#define _VSERVER_CACCT_H
++
++
++enum sock_acc_field {
++ VXA_SOCK_UNSPEC = 0,
++ VXA_SOCK_UNIX,
++ VXA_SOCK_INET,
++ VXA_SOCK_INET6,
++ VXA_SOCK_PACKET,
++ VXA_SOCK_OTHER,
++ VXA_SOCK_SIZE /* array size */
++};
++
++#endif /* _VSERVER_CACCT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cacct_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_cmd.h
+--- linux-3.7.10/include/linux/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VSERVER_CACCT_CMD_H
++#define _VSERVER_CACCT_CMD_H
++
++
++#include <linux/compiler.h>
++#include <uapi/vserver/cacct_cmd.h>
++
++extern int vc_sock_stat(struct vx_info *, void __user *);
++
++#endif /* _VSERVER_CACCT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cacct_def.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_def.h
+--- linux-3.7.10/include/linux/vserver/cacct_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_def.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,43 @@
++#ifndef _VSERVER_CACCT_DEF_H
++#define _VSERVER_CACCT_DEF_H
++
++#include <asm/atomic.h>
++#include <linux/vserver/cacct.h>
++
++
++struct _vx_sock_acc {
++ atomic_long_t count;
++ atomic_long_t total;
++};
++
++/* context sub struct */
++
++struct _vx_cacct {
++ struct _vx_sock_acc sock[VXA_SOCK_SIZE][3];
++ atomic_t slab[8];
++ atomic_t page[6][8];
++};
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_cacct(struct _vx_cacct *cacct)
++{
++ int i, j;
++
++ printk("\t_vx_cacct:");
++ for (i = 0; i < 6; i++) {
++ struct _vx_sock_acc *ptr = cacct->sock[i];
++
++ printk("\t [%d] =", i);
++ for (j = 0; j < 3; j++) {
++ printk(" [%d] = %8lu, %8lu", j,
++ atomic_long_read(&ptr[j].count),
++ atomic_long_read(&ptr[j].total));
++ }
++ printk("\n");
++ }
++}
++
++#endif
++
++#endif /* _VSERVER_CACCT_DEF_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cacct_int.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_int.h
+--- linux-3.7.10/include/linux/vserver/cacct_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cacct_int.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,17 @@
++#ifndef _VSERVER_CACCT_INT_H
++#define _VSERVER_CACCT_INT_H
++
++static inline
++unsigned long vx_sock_count(struct _vx_cacct *cacct, int type, int pos)
++{
++ return atomic_long_read(&cacct->sock[type][pos].count);
++}
++
++
++static inline
++unsigned long vx_sock_total(struct _vx_cacct *cacct, int type, int pos)
++{
++ return atomic_long_read(&cacct->sock[type][pos].total);
++}
++
++#endif /* _VSERVER_CACCT_INT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/check.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/check.h
+--- linux-3.7.10/include/linux/vserver/check.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/check.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,89 @@
++#ifndef _VSERVER_CHECK_H
++#define _VSERVER_CHECK_H
++
++
++#define MAX_S_CONTEXT 65535 /* Arbitrary limit */
++
++#ifdef CONFIG_VSERVER_DYNAMIC_IDS
++#define MIN_D_CONTEXT 49152 /* dynamic contexts start here */
++#else
++#define MIN_D_CONTEXT 65536
++#endif
++
++/* check conditions */
++
++#define VS_ADMIN 0x0001
++#define VS_WATCH 0x0002
++#define VS_HIDE 0x0004
++#define VS_HOSTID 0x0008
++
++#define VS_IDENT 0x0010
++#define VS_EQUIV 0x0020
++#define VS_PARENT 0x0040
++#define VS_CHILD 0x0080
++
++#define VS_ARG_MASK 0x00F0
++
++#define VS_DYNAMIC 0x0100
++#define VS_STATIC 0x0200
++
++#define VS_ATR_MASK 0x0F00
++
++#ifdef CONFIG_VSERVER_PRIVACY
++#define VS_ADMIN_P (0)
++#define VS_WATCH_P (0)
++#else
++#define VS_ADMIN_P VS_ADMIN
++#define VS_WATCH_P VS_WATCH
++#endif
++
++#define VS_HARDIRQ 0x1000
++#define VS_SOFTIRQ 0x2000
++#define VS_IRQ 0x4000
++
++#define VS_IRQ_MASK 0xF000
++
++#include <linux/hardirq.h>
++
++/*
++ * check current context for ADMIN/WATCH and
++ * optionally against supplied argument
++ */
++static inline int __vs_check(int cid, int id, unsigned int mode)
++{
++ if (mode & VS_ARG_MASK) {
++ if ((mode & VS_IDENT) && (id == cid))
++ return 1;
++ }
++ if (mode & VS_ATR_MASK) {
++ if ((mode & VS_DYNAMIC) &&
++ (id >= MIN_D_CONTEXT) &&
++ (id <= MAX_S_CONTEXT))
++ return 1;
++ if ((mode & VS_STATIC) &&
++ (id > 1) && (id < MIN_D_CONTEXT))
++ return 1;
++ }
++ if (mode & VS_IRQ_MASK) {
++ if ((mode & VS_IRQ) && unlikely(in_interrupt()))
++ return 1;
++ if ((mode & VS_HARDIRQ) && unlikely(in_irq()))
++ return 1;
++ if ((mode & VS_SOFTIRQ) && unlikely(in_softirq()))
++ return 1;
++ }
++ return (((mode & VS_ADMIN) && (cid == 0)) ||
++ ((mode & VS_WATCH) && (cid == 1)) ||
++ ((mode & VS_HOSTID) && (id == 0)));
++}
++
++#define vx_check(c, m) __vs_check(vx_current_xid(), c, (m) | VS_IRQ)
++
++#define vx_weak_check(c, m) ((m) ? vx_check(c, m) : 1)
++
++
++#define nx_check(c, m) __vs_check(nx_current_nid(), c, m)
++
++#define nx_weak_check(c, m) ((m) ? nx_check(c, m) : 1)
++
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/context.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/context.h
+--- linux-3.7.10/include/linux/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/context.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,110 @@
++#ifndef _VSERVER_CONTEXT_H
++#define _VSERVER_CONTEXT_H
++
++
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++#include <uapi/vserver/context.h>
++
++#include "limit_def.h"
++#include "sched_def.h"
++#include "cvirt_def.h"
++#include "cacct_def.h"
++#include "device_def.h"
++
++#define VX_SPACES 2
++
++struct _vx_info_pc {
++ struct _vx_sched_pc sched_pc;
++ struct _vx_cvirt_pc cvirt_pc;
++};
++
++struct _vx_space {
++ unsigned long vx_nsmask; /* assignment mask */
++ struct nsproxy *vx_nsproxy; /* private namespaces */
++ struct fs_struct *vx_fs; /* private namespace fs */
++ const struct cred *vx_cred; /* task credentials */
++};
++
++struct vx_info {
++ struct hlist_node vx_hlist; /* linked list of contexts */
++ xid_t vx_id; /* context id */
++ atomic_t vx_usecnt; /* usage count */
++ atomic_t vx_tasks; /* tasks count */
++ struct vx_info *vx_parent; /* parent context */
++ int vx_state; /* context state */
++
++ struct _vx_space space[VX_SPACES]; /* namespace store */
++
++ uint64_t vx_flags; /* context flags */
++ uint64_t vx_ccaps; /* context caps (vserver) */
++ uint64_t vx_umask; /* unshare mask (guest) */
++ uint64_t vx_wmask; /* warn mask (guest) */
++ kernel_cap_t vx_bcaps; /* bounding caps (system) */
++
++ struct task_struct *vx_reaper; /* guest reaper process */
++ pid_t vx_initpid; /* PID of guest init */
++ int64_t vx_badness_bias; /* OOM points bias */
++
++ struct _vx_limit limit; /* vserver limits */
++ struct _vx_sched sched; /* vserver scheduler */
++ struct _vx_cvirt cvirt; /* virtual/bias stuff */
++ struct _vx_cacct cacct; /* context accounting */
++
++ struct _vx_device dmap; /* default device map targets */
++
++#ifndef CONFIG_SMP
++ struct _vx_info_pc info_pc; /* per cpu data */
++#else
++ struct _vx_info_pc *ptr_pc; /* per cpu array */
++#endif
++
++ wait_queue_head_t vx_wait; /* context exit waitqueue */
++ int reboot_cmd; /* last sys_reboot() cmd */
++ int exit_code; /* last process exit code */
++
++ char vx_name[65]; /* vserver name */
++};
++
++#ifndef CONFIG_SMP
++#define vx_ptr_pc(vxi) (&(vxi)->info_pc)
++#define vx_per_cpu(vxi, v, id) vx_ptr_pc(vxi)->v
++#else
++#define vx_ptr_pc(vxi) ((vxi)->ptr_pc)
++#define vx_per_cpu(vxi, v, id) per_cpu_ptr(vx_ptr_pc(vxi), id)->v
++#endif
++
++#define vx_cpu(vxi, v) vx_per_cpu(vxi, v, smp_processor_id())
++
++
++struct vx_info_save {
++ struct vx_info *vxi;
++ xid_t xid;
++};
++
++
++/* status flags */
++
++#define VXS_HASHED 0x0001
++#define VXS_PAUSED 0x0010
++#define VXS_SHUTDOWN 0x0100
++#define VXS_HELPER 0x1000
++#define VXS_RELEASED 0x8000
++
++
++extern void claim_vx_info(struct vx_info *, struct task_struct *);
++extern void release_vx_info(struct vx_info *, struct task_struct *);
++
++extern struct vx_info *lookup_vx_info(int);
++extern struct vx_info *lookup_or_create_vx_info(int);
++
++extern int get_xid_list(int, unsigned int *, int);
++extern int xid_is_hashed(xid_t);
++
++extern int vx_migrate_task(struct task_struct *, struct vx_info *, int);
++
++extern long vs_state_change(struct vx_info *, unsigned int);
++
++
++#endif /* _VSERVER_CONTEXT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/context_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/context_cmd.h
+--- linux-3.7.10/include/linux/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/context_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,33 @@
++#ifndef _VSERVER_CONTEXT_CMD_H
++#define _VSERVER_CONTEXT_CMD_H
++
++#include <uapi/vserver/context_cmd.h>
++
++extern int vc_task_xid(uint32_t);
++
++extern int vc_vx_info(struct vx_info *, void __user *);
++
++extern int vc_ctx_stat(struct vx_info *, void __user *);
++
++extern int vc_ctx_create(uint32_t, void __user *);
++extern int vc_ctx_migrate(struct vx_info *, void __user *);
++
++extern int vc_get_cflags(struct vx_info *, void __user *);
++extern int vc_set_cflags(struct vx_info *, void __user *);
++
++extern int vc_get_ccaps(struct vx_info *, void __user *);
++extern int vc_set_ccaps(struct vx_info *, void __user *);
++
++extern int vc_get_bcaps(struct vx_info *, void __user *);
++extern int vc_set_bcaps(struct vx_info *, void __user *);
++
++extern int vc_get_umask(struct vx_info *, void __user *);
++extern int vc_set_umask(struct vx_info *, void __user *);
++
++extern int vc_get_wmask(struct vx_info *, void __user *);
++extern int vc_set_wmask(struct vx_info *, void __user *);
++
++extern int vc_get_badness(struct vx_info *, void __user *);
++extern int vc_set_badness(struct vx_info *, void __user *);
++
++#endif /* _VSERVER_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cvirt.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt.h
+--- linux-3.7.10/include/linux/vserver/cvirt.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,18 @@
++#ifndef _VSERVER_CVIRT_H
++#define _VSERVER_CVIRT_H
++
++struct timespec;
++
++void vx_vsi_boottime(struct timespec *);
++
++void vx_vsi_uptime(struct timespec *, struct timespec *);
++
++
++struct vx_info;
++
++void vx_update_load(struct vx_info *);
++
++
++int vx_do_syslog(int, char __user *, int);
++
++#endif /* _VSERVER_CVIRT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cvirt_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt_cmd.h
+--- linux-3.7.10/include/linux/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _VSERVER_CVIRT_CMD_H
++#define _VSERVER_CVIRT_CMD_H
++
++
++#include <linux/compiler.h>
++#include <uapi/vserver/cvirt_cmd.h>
++
++extern int vc_set_vhi_name(struct vx_info *, void __user *);
++extern int vc_get_vhi_name(struct vx_info *, void __user *);
++
++extern int vc_virt_stat(struct vx_info *, void __user *);
++
++#endif /* _VSERVER_CVIRT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/cvirt_def.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt_def.h
+--- linux-3.7.10/include/linux/vserver/cvirt_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/cvirt_def.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,80 @@
++#ifndef _VSERVER_CVIRT_DEF_H
++#define _VSERVER_CVIRT_DEF_H
++
++#include <linux/jiffies.h>
++#include <linux/spinlock.h>
++#include <linux/wait.h>
++#include <linux/time.h>
++#include <asm/atomic.h>
++
++
++struct _vx_usage_stat {
++ uint64_t user;
++ uint64_t nice;
++ uint64_t system;
++ uint64_t softirq;
++ uint64_t irq;
++ uint64_t idle;
++ uint64_t iowait;
++};
++
++struct _vx_syslog {
++ wait_queue_head_t log_wait;
++ spinlock_t logbuf_lock; /* lock for the log buffer */
++
++ unsigned long log_start; /* next char to be read by syslog() */
++ unsigned long con_start; /* next char to be sent to consoles */
++ unsigned long log_end; /* most-recently-written-char + 1 */
++ unsigned long logged_chars; /* #chars since last read+clear operation */
++
++ char log_buf[1024];
++};
++
++
++/* context sub struct */
++
++struct _vx_cvirt {
++ atomic_t nr_threads; /* number of current threads */
++ atomic_t nr_running; /* number of running threads */
++ atomic_t nr_uninterruptible; /* number of uninterruptible threads */
++
++ atomic_t nr_onhold; /* processes on hold */
++ uint32_t onhold_last; /* jiffies when put on hold */
++
++ struct timespec bias_ts; /* time offset to the host */
++ struct timespec bias_idle;
++ struct timespec bias_uptime; /* context creation point */
++ uint64_t bias_clock; /* offset in clock_t */
++
++ spinlock_t load_lock; /* lock for the load averages */
++ atomic_t load_updates; /* nr of load updates done so far */
++ uint32_t load_last; /* last time load was calculated */
++ uint32_t load[3]; /* load averages 1,5,15 */
++
++ atomic_t total_forks; /* number of forks so far */
++
++ struct _vx_syslog syslog;
++};
++
++struct _vx_cvirt_pc {
++ struct _vx_usage_stat cpustat;
++};
++
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_cvirt(struct _vx_cvirt *cvirt)
++{
++ printk("\t_vx_cvirt:\n");
++ printk("\t threads: %4d, %4d, %4d, %4d\n",
++ atomic_read(&cvirt->nr_threads),
++ atomic_read(&cvirt->nr_running),
++ atomic_read(&cvirt->nr_uninterruptible),
++ atomic_read(&cvirt->nr_onhold));
++ /* add rest here */
++ printk("\t total_forks = %d\n", atomic_read(&cvirt->total_forks));
++}
++
++#endif
++
++#endif /* _VSERVER_CVIRT_DEF_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/debug.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/debug.h
+--- linux-3.7.10/include/linux/vserver/debug.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/debug.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,145 @@
++#ifndef _VSERVER_DEBUG_H
++#define _VSERVER_DEBUG_H
++
++
++#define VXD_CBIT(n, m) (vs_debug_ ## n & (1 << (m)))
++#define VXD_CMIN(n, m) (vs_debug_ ## n > (m))
++#define VXD_MASK(n, m) (vs_debug_ ## n & (m))
++
++#define VXD_DEV(d) (d), (d)->bd_inode->i_ino, \
++ imajor((d)->bd_inode), iminor((d)->bd_inode)
++#define VXF_DEV "%p[%lu,%d:%d]"
++
++#if defined(CONFIG_QUOTES_UTF8)
++#define VS_Q_LQM "\xc2\xbb"
++#define VS_Q_RQM "\xc2\xab"
++#elif defined(CONFIG_QUOTES_ASCII)
++#define VS_Q_LQM "\x27"
++#define VS_Q_RQM "\x27"
++#else
++#define VS_Q_LQM "\xbb"
++#define VS_Q_RQM "\xab"
++#endif
++
++#define VS_Q(f) VS_Q_LQM f VS_Q_RQM
++
++
++#define vxd_path(p) \
++ ({ static char _buffer[PATH_MAX]; \
++ d_path(p, _buffer, sizeof(_buffer)); })
++
++#define vxd_cond_path(n) \
++ ((n) ? vxd_path(&(n)->path) : "<null>" )
++
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++extern unsigned int vs_debug_switch;
++extern unsigned int vs_debug_xid;
++extern unsigned int vs_debug_nid;
++extern unsigned int vs_debug_tag;
++extern unsigned int vs_debug_net;
++extern unsigned int vs_debug_limit;
++extern unsigned int vs_debug_cres;
++extern unsigned int vs_debug_dlim;
++extern unsigned int vs_debug_quota;
++extern unsigned int vs_debug_cvirt;
++extern unsigned int vs_debug_space;
++extern unsigned int vs_debug_perm;
++extern unsigned int vs_debug_misc;
++
++
++#define VX_LOGLEVEL "vxD: "
++#define VX_PROC_FMT "%p: "
++#define VX_PROCESS current
++
++#define vxdprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL VX_PROC_FMT f "\n", \
++ VX_PROCESS , ##x); \
++ } while (0)
++
++#define vxlprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " @%s:%d\n", x); \
++ } while (0)
++
++#define vxfprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
++ } while (0)
++
++
++struct vx_info;
++
++void dump_vx_info(struct vx_info *, int);
++void dump_vx_info_inactive(int);
++
++#else /* CONFIG_VSERVER_DEBUG */
++
++#define vs_debug_switch 0
++#define vs_debug_xid 0
++#define vs_debug_nid 0
++#define vs_debug_tag 0
++#define vs_debug_net 0
++#define vs_debug_limit 0
++#define vs_debug_cres 0
++#define vs_debug_dlim 0
++#define vs_debug_quota 0
++#define vs_debug_cvirt 0
++#define vs_debug_space 0
++#define vs_debug_perm 0
++#define vs_debug_misc 0
++
++#define vxdprintk(x...) do { } while (0)
++#define vxlprintk(x...) do { } while (0)
++#define vxfprintk(x...) do { } while (0)
++
++#endif /* CONFIG_VSERVER_DEBUG */
++
++
++#ifdef CONFIG_VSERVER_WARN
++
++#define VX_WARNLEVEL KERN_WARNING "vxW: "
++#define VX_WARN_TASK "[" VS_Q("%s") ",%u:#%u|%u|%u] "
++#define VX_WARN_XID "[xid #%u] "
++#define VX_WARN_NID "[nid #%u] "
++#define VX_WARN_TAG "[tag #%u] "
++
++#define vxwprintk(c, f, x...) \
++ do { \
++ if (c) \
++ printk(VX_WARNLEVEL f "\n", ##x); \
++ } while (0)
++
++#else /* CONFIG_VSERVER_WARN */
++
++#define vxwprintk(x...) do { } while (0)
++
++#endif /* CONFIG_VSERVER_WARN */
++
++#define vxwprintk_task(c, f, x...) \
++ vxwprintk(c, VX_WARN_TASK f, \
++ current->comm, current->pid, \
++ current->xid, current->nid, current->tag, ##x)
++#define vxwprintk_xid(c, f, x...) \
++ vxwprintk(c, VX_WARN_XID f, current->xid, x)
++#define vxwprintk_nid(c, f, x...) \
++ vxwprintk(c, VX_WARN_NID f, current->nid, x)
++#define vxwprintk_tag(c, f, x...) \
++ vxwprintk(c, VX_WARN_TAG f, current->tag, x)
++
++#ifdef CONFIG_VSERVER_DEBUG
++#define vxd_assert_lock(l) assert_spin_locked(l)
++#define vxd_assert(c, f, x...) vxlprintk(!(c), \
++ "assertion [" f "] failed.", ##x, __FILE__, __LINE__)
++#else
++#define vxd_assert_lock(l) do { } while (0)
++#define vxd_assert(c, f, x...) do { } while (0)
++#endif
++
++
++#endif /* _VSERVER_DEBUG_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/debug_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/debug_cmd.h
+--- linux-3.7.10/include/linux/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/debug_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,37 @@
++#ifndef _VSERVER_DEBUG_CMD_H
++#define _VSERVER_DEBUG_CMD_H
++
++#include <uapi/vserver/debug_cmd.h>
++
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_read_history_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
++};
++
++struct vcmd_read_monitor_v0_x32 {
++ uint32_t index;
++ uint32_t count;
++ compat_uptr_t data_ptr;
++};
++
++#endif /* CONFIG_COMPAT */
++
++extern int vc_dump_history(uint32_t);
++
++extern int vc_read_history(uint32_t, void __user *);
++extern int vc_read_monitor(uint32_t, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_read_history_x32(uint32_t, void __user *);
++extern int vc_read_monitor_x32(uint32_t, void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* _VSERVER_DEBUG_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/device.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/device.h
+--- linux-3.7.10/include/linux/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/device.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,9 @@
++#ifndef _VSERVER_DEVICE_H
++#define _VSERVER_DEVICE_H
++
++
++#include <uapi/vserver/device.h>
++
++#else /* _VSERVER_DEVICE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_DEVICE_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/device_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/device_cmd.h
+--- linux-3.7.10/include/linux/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/device_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,31 @@
++#ifndef _VSERVER_DEVICE_CMD_H
++#define _VSERVER_DEVICE_CMD_H
++
++#include <uapi/vserver/device_cmd.h>
++
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_set_mapping_v0_x32 {
++ compat_uptr_t device_ptr;
++ compat_uptr_t target_ptr;
++ uint32_t flags;
++};
++
++#endif /* CONFIG_COMPAT */
++
++#include <linux/compiler.h>
++
++extern int vc_set_mapping(struct vx_info *, void __user *);
++extern int vc_unset_mapping(struct vx_info *, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_set_mapping_x32(struct vx_info *, void __user *);
++extern int vc_unset_mapping_x32(struct vx_info *, void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* _VSERVER_DEVICE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/device_def.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/device_def.h
+--- linux-3.7.10/include/linux/vserver/device_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/device_def.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,17 @@
++#ifndef _VSERVER_DEVICE_DEF_H
++#define _VSERVER_DEVICE_DEF_H
++
++#include <linux/types.h>
++
++struct vx_dmap_target {
++ dev_t target;
++ uint32_t flags;
++};
++
++struct _vx_device {
++#ifdef CONFIG_VSERVER_DEVICE
++ struct vx_dmap_target targets[2];
++#endif
++};
++
++#endif /* _VSERVER_DEVICE_DEF_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/dlimit.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/dlimit.h
+--- linux-3.7.10/include/linux/vserver/dlimit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/dlimit.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,54 @@
++#ifndef _VSERVER_DLIMIT_H
++#define _VSERVER_DLIMIT_H
++
++#include "switch.h"
++
++
++#ifdef __KERNEL__
++
++/* keep in sync with CDLIM_INFINITY */
++
++#define DLIM_INFINITY (~0ULL)
++
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++
++struct super_block;
++
++struct dl_info {
++ struct hlist_node dl_hlist; /* linked list of contexts */
++ struct rcu_head dl_rcu; /* the rcu head */
++ tag_t dl_tag; /* context tag */
++ atomic_t dl_usecnt; /* usage count */
++ atomic_t dl_refcnt; /* reference count */
++
++ struct super_block *dl_sb; /* associated superblock */
++
++ spinlock_t dl_lock; /* protect the values */
++
++ unsigned long long dl_space_used; /* used space in bytes */
++ unsigned long long dl_space_total; /* maximum space in bytes */
++ unsigned long dl_inodes_used; /* used inodes */
++ unsigned long dl_inodes_total; /* maximum inodes */
++
++ unsigned int dl_nrlmult; /* non root limit mult */
++};
++
++struct rcu_head;
++
++extern void rcu_free_dl_info(struct rcu_head *);
++extern void unhash_dl_info(struct dl_info *);
++
++extern struct dl_info *locate_dl_info(struct super_block *, tag_t);
++
++
++struct kstatfs;
++
++extern void vx_vsi_statfs(struct super_block *, struct kstatfs *);
++
++typedef uint64_t dlsize_t;
++
++#endif /* __KERNEL__ */
++#else /* _VSERVER_DLIMIT_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_DLIMIT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/dlimit_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/dlimit_cmd.h
+--- linux-3.7.10/include/linux/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/dlimit_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,46 @@
++#ifndef _VSERVER_DLIMIT_CMD_H
++#define _VSERVER_DLIMIT_CMD_H
++
++#include <uapi/vserver/dlimit_cmd.h>
++
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_ctx_dlimit_base_v0_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t flags;
++};
++
++struct vcmd_ctx_dlimit_v0_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t space_used; /* used space in kbytes */
++ uint32_t space_total; /* maximum space in kbytes */
++ uint32_t inodes_used; /* used inodes */
++ uint32_t inodes_total; /* maximum inodes */
++ uint32_t reserved; /* reserved for root in % */
++ uint32_t flags;
++};
++
++#endif /* CONFIG_COMPAT */
++
++#include <linux/compiler.h>
++
++extern int vc_add_dlimit(uint32_t, void __user *);
++extern int vc_rem_dlimit(uint32_t, void __user *);
++
++extern int vc_set_dlimit(uint32_t, void __user *);
++extern int vc_get_dlimit(uint32_t, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_add_dlimit_x32(uint32_t, void __user *);
++extern int vc_rem_dlimit_x32(uint32_t, void __user *);
++
++extern int vc_set_dlimit_x32(uint32_t, void __user *);
++extern int vc_get_dlimit_x32(uint32_t, void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* _VSERVER_DLIMIT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/global.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/global.h
+--- linux-3.7.10/include/linux/vserver/global.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/global.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VSERVER_GLOBAL_H
++#define _VSERVER_GLOBAL_H
++
++
++extern atomic_t vx_global_ctotal;
++extern atomic_t vx_global_cactive;
++
++extern atomic_t nx_global_ctotal;
++extern atomic_t nx_global_cactive;
++
++extern atomic_t vs_global_nsproxy;
++extern atomic_t vs_global_fs;
++extern atomic_t vs_global_mnt_ns;
++extern atomic_t vs_global_uts_ns;
++extern atomic_t vs_global_user_ns;
++extern atomic_t vs_global_pid_ns;
++
++
++#endif /* _VSERVER_GLOBAL_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/history.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/history.h
+--- linux-3.7.10/include/linux/vserver/history.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/history.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,197 @@
++#ifndef _VSERVER_HISTORY_H
++#define _VSERVER_HISTORY_H
++
++
++enum {
++ VXH_UNUSED = 0,
++ VXH_THROW_OOPS = 1,
++
++ VXH_GET_VX_INFO,
++ VXH_PUT_VX_INFO,
++ VXH_INIT_VX_INFO,
++ VXH_SET_VX_INFO,
++ VXH_CLR_VX_INFO,
++ VXH_CLAIM_VX_INFO,
++ VXH_RELEASE_VX_INFO,
++ VXH_ALLOC_VX_INFO,
++ VXH_DEALLOC_VX_INFO,
++ VXH_HASH_VX_INFO,
++ VXH_UNHASH_VX_INFO,
++ VXH_LOC_VX_INFO,
++ VXH_LOOKUP_VX_INFO,
++ VXH_CREATE_VX_INFO,
++};
++
++struct _vxhe_vxi {
++ struct vx_info *ptr;
++ unsigned xid;
++ unsigned usecnt;
++ unsigned tasks;
++};
++
++struct _vxhe_set_clr {
++ void *data;
++};
++
++struct _vxhe_loc_lookup {
++ unsigned arg;
++};
++
++struct _vx_hist_entry {
++ void *loc;
++ unsigned short seq;
++ unsigned short type;
++ struct _vxhe_vxi vxi;
++ union {
++ struct _vxhe_set_clr sc;
++ struct _vxhe_loc_lookup ll;
++ };
++};
++
++#ifdef CONFIG_VSERVER_HISTORY
++
++extern unsigned volatile int vxh_active;
++
++struct _vx_hist_entry *vxh_advance(void *loc);
++
++
++static inline
++void __vxh_copy_vxi(struct _vx_hist_entry *entry, struct vx_info *vxi)
++{
++ entry->vxi.ptr = vxi;
++ if (vxi) {
++ entry->vxi.usecnt = atomic_read(&vxi->vx_usecnt);
++ entry->vxi.tasks = atomic_read(&vxi->vx_tasks);
++ entry->vxi.xid = vxi->vx_id;
++ }
++}
++
++
++#define __HERE__ current_text_addr()
++
++#define __VXH_BODY(__type, __data, __here) \
++ struct _vx_hist_entry *entry; \
++ \
++ preempt_disable(); \
++ entry = vxh_advance(__here); \
++ __data; \
++ entry->type = __type; \
++ preempt_enable();
++
++
++ /* pass vxi only */
++
++#define __VXH_SMPL \
++ __vxh_copy_vxi(entry, vxi)
++
++static inline
++void __vxh_smpl(struct vx_info *vxi, int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_SMPL, __here)
++}
++
++ /* pass vxi and data (void *) */
++
++#define __VXH_DATA \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->sc.data = data
++
++static inline
++void __vxh_data(struct vx_info *vxi, void *data,
++ int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_DATA, __here)
++}
++
++ /* pass vxi and arg (long) */
++
++#define __VXH_LONG \
++ __vxh_copy_vxi(entry, vxi); \
++ entry->ll.arg = arg
++
++static inline
++void __vxh_long(struct vx_info *vxi, long arg,
++ int __type, void *__here)
++{
++ __VXH_BODY(__type, __VXH_LONG, __here)
++}
++
++
++static inline
++void __vxh_throw_oops(void *__here)
++{
++ __VXH_BODY(VXH_THROW_OOPS, {}, __here);
++ /* prevent further acquisition */
++ vxh_active = 0;
++}
++
++
++#define vxh_throw_oops() __vxh_throw_oops(__HERE__);
++
++#define __vxh_get_vx_info(v, h) __vxh_smpl(v, VXH_GET_VX_INFO, h);
++#define __vxh_put_vx_info(v, h) __vxh_smpl(v, VXH_PUT_VX_INFO, h);
++
++#define __vxh_init_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_INIT_VX_INFO, h);
++#define __vxh_set_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_SET_VX_INFO, h);
++#define __vxh_clr_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_CLR_VX_INFO, h);
++
++#define __vxh_claim_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_CLAIM_VX_INFO, h);
++#define __vxh_release_vx_info(v, d, h) \
++ __vxh_data(v, d, VXH_RELEASE_VX_INFO, h);
++
++#define vxh_alloc_vx_info(v) \
++ __vxh_smpl(v, VXH_ALLOC_VX_INFO, __HERE__);
++#define vxh_dealloc_vx_info(v) \
++ __vxh_smpl(v, VXH_DEALLOC_VX_INFO, __HERE__);
++
++#define vxh_hash_vx_info(v) \
++ __vxh_smpl(v, VXH_HASH_VX_INFO, __HERE__);
++#define vxh_unhash_vx_info(v) \
++ __vxh_smpl(v, VXH_UNHASH_VX_INFO, __HERE__);
++
++#define vxh_loc_vx_info(v, l) \
++ __vxh_long(v, l, VXH_LOC_VX_INFO, __HERE__);
++#define vxh_lookup_vx_info(v, l) \
++ __vxh_long(v, l, VXH_LOOKUP_VX_INFO, __HERE__);
++#define vxh_create_vx_info(v, l) \
++ __vxh_long(v, l, VXH_CREATE_VX_INFO, __HERE__);
++
++extern void vxh_dump_history(void);
++
++
++#else /* CONFIG_VSERVER_HISTORY */
++
++#define __HERE__ 0
++
++#define vxh_throw_oops() do { } while (0)
++
++#define __vxh_get_vx_info(v, h) do { } while (0)
++#define __vxh_put_vx_info(v, h) do { } while (0)
++
++#define __vxh_init_vx_info(v, d, h) do { } while (0)
++#define __vxh_set_vx_info(v, d, h) do { } while (0)
++#define __vxh_clr_vx_info(v, d, h) do { } while (0)
++
++#define __vxh_claim_vx_info(v, d, h) do { } while (0)
++#define __vxh_release_vx_info(v, d, h) do { } while (0)
++
++#define vxh_alloc_vx_info(v) do { } while (0)
++#define vxh_dealloc_vx_info(v) do { } while (0)
++
++#define vxh_hash_vx_info(v) do { } while (0)
++#define vxh_unhash_vx_info(v) do { } while (0)
++
++#define vxh_loc_vx_info(v, l) do { } while (0)
++#define vxh_lookup_vx_info(v, l) do { } while (0)
++#define vxh_create_vx_info(v, l) do { } while (0)
++
++#define vxh_dump_history() do { } while (0)
++
++
++#endif /* CONFIG_VSERVER_HISTORY */
++
++#endif /* _VSERVER_HISTORY_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/inode.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/inode.h
+--- linux-3.7.10/include/linux/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,19 @@
++#ifndef _VSERVER_INODE_H
++#define _VSERVER_INODE_H
++
++#include <uapi/vserver/inode.h>
++
++
++#ifdef CONFIG_VSERVER_PROC_SECURE
++#define IATTR_PROC_DEFAULT ( IATTR_ADMIN | IATTR_HIDE )
++#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
++#else
++#define IATTR_PROC_DEFAULT ( IATTR_ADMIN )
++#define IATTR_PROC_SYMLINK ( IATTR_ADMIN )
++#endif
++
++#define vx_hide_check(c, m) (((m) & IATTR_HIDE) ? vx_check(c, m) : 1)
++
++#else /* _VSERVER_INODE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_INODE_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/inode_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/inode_cmd.h
+--- linux-3.7.10/include/linux/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/inode_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,36 @@
++#ifndef _VSERVER_INODE_CMD_H
++#define _VSERVER_INODE_CMD_H
++
++#include <uapi/vserver/inode_cmd.h>
++
++
++
++#ifdef CONFIG_COMPAT
++
++#include <asm/compat.h>
++
++struct vcmd_ctx_iattr_v1_x32 {
++ compat_uptr_t name_ptr;
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
++
++#endif /* CONFIG_COMPAT */
++
++#include <linux/compiler.h>
++
++extern int vc_get_iattr(void __user *);
++extern int vc_set_iattr(void __user *);
++
++extern int vc_fget_iattr(uint32_t, void __user *);
++extern int vc_fset_iattr(uint32_t, void __user *);
++
++#ifdef CONFIG_COMPAT
++
++extern int vc_get_iattr_x32(void __user *);
++extern int vc_set_iattr_x32(void __user *);
++
++#endif /* CONFIG_COMPAT */
++
++#endif /* _VSERVER_INODE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/limit.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit.h
+--- linux-3.7.10/include/linux/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,61 @@
++#ifndef _VSERVER_LIMIT_H
++#define _VSERVER_LIMIT_H
++
++#include <uapi/vserver/limit.h>
++
++
++#define VLIM_NOCHECK ((1L << VLIMIT_DENTRY) | (1L << RLIMIT_RSS))
++
++/* keep in sync with CRLIM_INFINITY */
++
++#define VLIM_INFINITY (~0ULL)
++
++#include <asm/atomic.h>
++#include <asm/resource.h>
++
++#ifndef RLIM_INFINITY
++#warning RLIM_INFINITY is undefined
++#endif
++
++#define __rlim_val(l, r, v) ((l)->res[r].v)
++
++#define __rlim_soft(l, r) __rlim_val(l, r, soft)
++#define __rlim_hard(l, r) __rlim_val(l, r, hard)
++
++#define __rlim_rcur(l, r) __rlim_val(l, r, rcur)
++#define __rlim_rmin(l, r) __rlim_val(l, r, rmin)
++#define __rlim_rmax(l, r) __rlim_val(l, r, rmax)
++
++#define __rlim_lhit(l, r) __rlim_val(l, r, lhit)
++#define __rlim_hit(l, r) atomic_inc(&__rlim_lhit(l, r))
++
++typedef atomic_long_t rlim_atomic_t;
++typedef unsigned long rlim_t;
++
++#define __rlim_get(l, r) atomic_long_read(&__rlim_rcur(l, r))
++#define __rlim_set(l, r, v) atomic_long_set(&__rlim_rcur(l, r), v)
++#define __rlim_inc(l, r) atomic_long_inc(&__rlim_rcur(l, r))
++#define __rlim_dec(l, r) atomic_long_dec(&__rlim_rcur(l, r))
++#define __rlim_add(l, r, v) atomic_long_add(v, &__rlim_rcur(l, r))
++#define __rlim_sub(l, r, v) atomic_long_sub(v, &__rlim_rcur(l, r))
++
++
++#if (RLIM_INFINITY == VLIM_INFINITY)
++#define VX_VLIM(r) ((long long)(long)(r))
++#define VX_RLIM(v) ((rlim_t)(v))
++#else
++#define VX_VLIM(r) (((r) == RLIM_INFINITY) \
++ ? VLIM_INFINITY : (long long)(r))
++#define VX_RLIM(v) (((v) == VLIM_INFINITY) \
++ ? RLIM_INFINITY : (rlim_t)(v))
++#endif
++
++struct sysinfo;
++
++void vx_vsi_meminfo(struct sysinfo *);
++void vx_vsi_swapinfo(struct sysinfo *);
++long vx_vsi_cached(struct sysinfo *);
++
++#define NUM_LIMITS 24
++
++#endif /* _VSERVER_LIMIT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/limit_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_cmd.h
+--- linux-3.7.10/include/linux/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,35 @@
++#ifndef _VSERVER_LIMIT_CMD_H
++#define _VSERVER_LIMIT_CMD_H
++
++#include <uapi/vserver/limit_cmd.h>
++
++
++#ifdef CONFIG_IA32_EMULATION
++
++struct vcmd_ctx_rlimit_v0_x32 {
++ uint32_t id;
++ uint64_t minimum;
++ uint64_t softlimit;
++ uint64_t maximum;
++} __attribute__ ((packed));
++
++#endif /* CONFIG_IA32_EMULATION */
++
++#include <linux/compiler.h>
++
++extern int vc_get_rlimit_mask(uint32_t, void __user *);
++extern int vc_get_rlimit(struct vx_info *, void __user *);
++extern int vc_set_rlimit(struct vx_info *, void __user *);
++extern int vc_reset_hits(struct vx_info *, void __user *);
++extern int vc_reset_minmax(struct vx_info *, void __user *);
++
++extern int vc_rlimit_stat(struct vx_info *, void __user *);
++
++#ifdef CONFIG_IA32_EMULATION
++
++extern int vc_get_rlimit_x32(struct vx_info *, void __user *);
++extern int vc_set_rlimit_x32(struct vx_info *, void __user *);
++
++#endif /* CONFIG_IA32_EMULATION */
++
++#endif /* _VSERVER_LIMIT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/limit_def.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_def.h
+--- linux-3.7.10/include/linux/vserver/limit_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_def.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,47 @@
++#ifndef _VSERVER_LIMIT_DEF_H
++#define _VSERVER_LIMIT_DEF_H
++
++#include <asm/atomic.h>
++#include <asm/resource.h>
++
++#include "limit.h"
++
++
++struct _vx_res_limit {
++ rlim_t soft; /* Context soft limit */
++ rlim_t hard; /* Context hard limit */
++
++ rlim_atomic_t rcur; /* Current value */
++ rlim_t rmin; /* Context minimum */
++ rlim_t rmax; /* Context maximum */
++
++ atomic_t lhit; /* Limit hits */
++};
++
++/* context sub struct */
++
++struct _vx_limit {
++ struct _vx_res_limit res[NUM_LIMITS];
++};
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_limit(struct _vx_limit *limit)
++{
++ int i;
++
++ printk("\t_vx_limit:");
++ for (i = 0; i < NUM_LIMITS; i++) {
++ printk("\t [%2d] = %8lu %8lu/%8lu, %8ld/%8ld, %8d\n",
++ i, (unsigned long)__rlim_get(limit, i),
++ (unsigned long)__rlim_rmin(limit, i),
++ (unsigned long)__rlim_rmax(limit, i),
++ (long)__rlim_soft(limit, i),
++ (long)__rlim_hard(limit, i),
++ atomic_read(&__rlim_lhit(limit, i)));
++ }
++}
++
++#endif
++
++#endif /* _VSERVER_LIMIT_DEF_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/limit_int.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_int.h
+--- linux-3.7.10/include/linux/vserver/limit_int.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/limit_int.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,193 @@
++#ifndef _VSERVER_LIMIT_INT_H
++#define _VSERVER_LIMIT_INT_H
++
++#define VXD_RCRES_COND(r) VXD_CBIT(cres, r)
++#define VXD_RLIMIT_COND(r) VXD_CBIT(limit, r)
++
++extern const char *vlimit_name[NUM_LIMITS];
++
++static inline void __vx_acc_cres(struct vx_info *vxi,
++ int res, int dir, void *_data, char *_file, int _line)
++{
++ if (VXD_RCRES_COND(res))
++ vxlprintk(1, "vx_acc_cres[%5d,%s,%2d]: %5ld%s (%p)",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ (dir > 0) ? "++" : "--", _data, _file, _line);
++ if (!vxi)
++ return;
++
++ if (dir > 0)
++ __rlim_inc(&vxi->limit, res);
++ else
++ __rlim_dec(&vxi->limit, res);
++}
++
++static inline void __vx_add_cres(struct vx_info *vxi,
++ int res, int amount, void *_data, char *_file, int _line)
++{
++ if (VXD_RCRES_COND(res))
++ vxlprintk(1, "vx_add_cres[%5d,%s,%2d]: %5ld += %5d (%p)",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ amount, _data, _file, _line);
++ if (amount == 0)
++ return;
++ if (!vxi)
++ return;
++ __rlim_add(&vxi->limit, res, amount);
++}
++
++static inline
++int __vx_cres_adjust_max(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value > __rlim_rmax(limit, res));
++
++ if (cond)
++ __rlim_rmax(limit, res) = value;
++ return cond;
++}
++
++static inline
++int __vx_cres_adjust_min(struct _vx_limit *limit, int res, rlim_t value)
++{
++ int cond = (value < __rlim_rmin(limit, res));
++
++ if (cond)
++ __rlim_rmin(limit, res) = value;
++ return cond;
++}
++
++static inline
++void __vx_cres_fixup(struct _vx_limit *limit, int res, rlim_t value)
++{
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++}
++
++
++/* return values:
++ +1 ... no limit hit
++ -1 ... over soft limit
++ 0 ... over hard limit */
++
++static inline int __vx_cres_avail(struct vx_info *vxi,
++ int res, int num, char *_file, int _line)
++{
++ struct _vx_limit *limit;
++ rlim_t value;
++
++ if (VXD_RLIMIT_COND(res))
++ vxlprintk(1, "vx_cres_avail[%5d,%s,%2d]: %5ld/%5ld > %5ld + %5d",
++ (vxi ? vxi->vx_id : -1), vlimit_name[res], res,
++ (vxi ? (long)__rlim_soft(&vxi->limit, res) : -1),
++ (vxi ? (long)__rlim_hard(&vxi->limit, res) : -1),
++ (vxi ? (long)__rlim_get(&vxi->limit, res) : 0),
++ num, _file, _line);
++ if (!vxi)
++ return 1;
++
++ limit = &vxi->limit;
++ value = __rlim_get(limit, res);
++
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++
++ if (num == 0)
++ return 1;
++
++ if (__rlim_soft(limit, res) == RLIM_INFINITY)
++ return -1;
++ if (value + num <= __rlim_soft(limit, res))
++ return -1;
++
++ if (__rlim_hard(limit, res) == RLIM_INFINITY)
++ return 1;
++ if (value + num <= __rlim_hard(limit, res))
++ return 1;
++
++ __rlim_hit(limit, res);
++ return 0;
++}
++
++
++static const int VLA_RSS[] = { RLIMIT_RSS, VLIMIT_ANON, VLIMIT_MAPPED, 0 };
++
++static inline
++rlim_t __vx_cres_array_sum(struct _vx_limit *limit, const int *array)
++{
++ rlim_t value, sum = 0;
++ int res;
++
++ while ((res = *array++)) {
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
++ sum += value;
++ }
++ return sum;
++}
++
++static inline
++rlim_t __vx_cres_array_fixup(struct _vx_limit *limit, const int *array)
++{
++ rlim_t value = __vx_cres_array_sum(limit, array + 1);
++ int res = *array;
++
++ if (value == __rlim_get(limit, res))
++ return value;
++
++ __rlim_set(limit, res, value);
++ /* now adjust min/max */
++ if (!__vx_cres_adjust_max(limit, res, value))
++ __vx_cres_adjust_min(limit, res, value);
++
++ return value;
++}
++
++static inline int __vx_cres_array_avail(struct vx_info *vxi,
++ const int *array, int num, char *_file, int _line)
++{
++ struct _vx_limit *limit;
++ rlim_t value = 0;
++ int res;
++
++ if (num == 0)
++ return 1;
++ if (!vxi)
++ return 1;
++
++ limit = &vxi->limit;
++ res = *array;
++ value = __vx_cres_array_sum(limit, array + 1);
++
++ __rlim_set(limit, res, value);
++ __vx_cres_fixup(limit, res, value);
++
++ return __vx_cres_avail(vxi, res, num, _file, _line);
++}
++
++
++static inline void vx_limit_fixup(struct _vx_limit *limit, int id)
++{
++ rlim_t value;
++ int res;
++
++ /* complex resources first */
++ if ((id < 0) || (id == RLIMIT_RSS))
++ __vx_cres_array_fixup(limit, VLA_RSS);
++
++ for (res = 0; res < NUM_LIMITS; res++) {
++ if ((id > 0) && (res != id))
++ continue;
++
++ value = __rlim_get(limit, res);
++ __vx_cres_fixup(limit, res, value);
++
++ /* not supposed to happen, maybe warn? */
++ if (__rlim_rmax(limit, res) > __rlim_hard(limit, res))
++ __rlim_rmax(limit, res) = __rlim_hard(limit, res);
++ }
++}
++
++
++#endif /* _VSERVER_LIMIT_INT_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/monitor.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/monitor.h
+--- linux-3.7.10/include/linux/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/monitor.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,6 @@
++#ifndef _VSERVER_MONITOR_H
++#define _VSERVER_MONITOR_H
++
++#include <uapi/vserver/monitor.h>
++
++#endif /* _VSERVER_MONITOR_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/network.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/network.h
+--- linux-3.7.10/include/linux/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/network.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,76 @@
++#ifndef _VSERVER_NETWORK_H
++#define _VSERVER_NETWORK_H
++
++
++#include <linux/list.h>
++#include <linux/spinlock.h>
++#include <linux/rcupdate.h>
++#include <linux/in.h>
++#include <linux/in6.h>
++#include <asm/atomic.h>
++#include <uapi/vserver/network.h>
++
++struct nx_addr_v4 {
++ struct nx_addr_v4 *next;
++ struct in_addr ip[2];
++ struct in_addr mask;
++ uint16_t type;
++ uint16_t flags;
++};
++
++struct nx_addr_v6 {
++ struct nx_addr_v6 *next;
++ struct in6_addr ip;
++ struct in6_addr mask;
++ uint32_t prefix;
++ uint16_t type;
++ uint16_t flags;
++};
++
++struct nx_info {
++ struct hlist_node nx_hlist; /* linked list of nxinfos */
++ nid_t nx_id; /* vnet id */
++ atomic_t nx_usecnt; /* usage count */
++ atomic_t nx_tasks; /* tasks count */
++ int nx_state; /* context state */
++
++ uint64_t nx_flags; /* network flag word */
++ uint64_t nx_ncaps; /* network capabilities */
++
++ spinlock_t addr_lock; /* protect address changes */
++ struct in_addr v4_lback; /* Loopback address */
++ struct in_addr v4_bcast; /* Broadcast address */
++ struct nx_addr_v4 v4; /* First/Single ipv4 address */
++#ifdef CONFIG_IPV6
++ struct nx_addr_v6 v6; /* First/Single ipv6 address */
++#endif
++ char nx_name[65]; /* network context name */
++};
++
++
++/* status flags */
++
++#define NXS_HASHED 0x0001
++#define NXS_SHUTDOWN 0x0100
++#define NXS_RELEASED 0x8000
++
++extern struct nx_info *lookup_nx_info(int);
++
++extern int get_nid_list(int, unsigned int *, int);
++extern int nid_is_hashed(nid_t);
++
++extern int nx_migrate_task(struct task_struct *, struct nx_info *);
++
++extern long vs_net_change(struct nx_info *, unsigned int);
++
++struct sock;
++
++
++#define NX_IPV4(n) ((n)->v4.type != NXA_TYPE_NONE)
++#ifdef CONFIG_IPV6
++#define NX_IPV6(n) ((n)->v6.type != NXA_TYPE_NONE)
++#else
++#define NX_IPV6(n) (0)
++#endif
++
++#endif /* _VSERVER_NETWORK_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/network_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/network_cmd.h
+--- linux-3.7.10/include/linux/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/network_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,37 @@
++#ifndef _VSERVER_NETWORK_CMD_H
++#define _VSERVER_NETWORK_CMD_H
++
++#include <uapi/vserver/network_cmd.h>
++
++extern int vc_task_nid(uint32_t);
++
++extern int vc_nx_info(struct nx_info *, void __user *);
++
++extern int vc_net_create(uint32_t, void __user *);
++extern int vc_net_migrate(struct nx_info *, void __user *);
++
++extern int vc_net_add(struct nx_info *, void __user *);
++extern int vc_net_remove(struct nx_info *, void __user *);
++
++extern int vc_net_add_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_add_ipv4(struct nx_info *, void __user *);
++
++extern int vc_net_rem_ipv4_v1(struct nx_info *, void __user *);
++extern int vc_net_rem_ipv4(struct nx_info *, void __user *);
++
++extern int vc_net_add_ipv6(struct nx_info *, void __user *);
++extern int vc_net_remove_ipv6(struct nx_info *, void __user *);
++
++extern int vc_add_match_ipv4(struct nx_info *, void __user *);
++extern int vc_get_match_ipv4(struct nx_info *, void __user *);
++
++extern int vc_add_match_ipv6(struct nx_info *, void __user *);
++extern int vc_get_match_ipv6(struct nx_info *, void __user *);
++
++extern int vc_get_nflags(struct nx_info *, void __user *);
++extern int vc_set_nflags(struct nx_info *, void __user *);
++
++extern int vc_get_ncaps(struct nx_info *, void __user *);
++extern int vc_set_ncaps(struct nx_info *, void __user *);
++
++#endif /* _VSERVER_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/percpu.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/percpu.h
+--- linux-3.7.10/include/linux/vserver/percpu.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/percpu.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_PERCPU_H
++#define _VSERVER_PERCPU_H
++
++#include "cvirt_def.h"
++#include "sched_def.h"
++
++struct _vx_percpu {
++ struct _vx_cvirt_pc cvirt;
++ struct _vx_sched_pc sched;
++};
++
++#define PERCPU_PERCTX (sizeof(struct _vx_percpu))
++
++#endif /* _VSERVER_PERCPU_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/pid.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/pid.h
+--- linux-3.7.10/include/linux/vserver/pid.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/pid.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,51 @@
++#ifndef _VSERVER_PID_H
++#define _VSERVER_PID_H
++
++/* pid faking stuff */
++
++#define vx_info_map_pid(v, p) \
++ __vx_info_map_pid((v), (p), __func__, __FILE__, __LINE__)
++#define vx_info_map_tgid(v,p) vx_info_map_pid(v,p)
++#define vx_map_pid(p) vx_info_map_pid(current_vx_info(), p)
++#define vx_map_tgid(p) vx_map_pid(p)
++
++static inline int __vx_info_map_pid(struct vx_info *vxi, int pid,
++ const char *func, const char *file, int line)
++{
++ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
++ vxfprintk(VXD_CBIT(cvirt, 2),
++ "vx_map_tgid: %p/%llx: %d -> %d",
++ vxi, (long long)vxi->vx_flags, pid,
++ (pid && pid == vxi->vx_initpid) ? 1 : pid,
++ func, file, line);
++ if (pid == 0)
++ return 0;
++ if (pid == vxi->vx_initpid)
++ return 1;
++ }
++ return pid;
++}
++
++#define vx_info_rmap_pid(v, p) \
++ __vx_info_rmap_pid((v), (p), __func__, __FILE__, __LINE__)
++#define vx_rmap_pid(p) vx_info_rmap_pid(current_vx_info(), p)
++#define vx_rmap_tgid(p) vx_rmap_pid(p)
++
++static inline int __vx_info_rmap_pid(struct vx_info *vxi, int pid,
++ const char *func, const char *file, int line)
++{
++ if (vx_info_flags(vxi, VXF_INFO_INIT, 0)) {
++ vxfprintk(VXD_CBIT(cvirt, 2),
++ "vx_rmap_tgid: %p/%llx: %d -> %d",
++ vxi, (long long)vxi->vx_flags, pid,
++ (pid == 1) ? vxi->vx_initpid : pid,
++ func, file, line);
++ if ((pid == 1) && vxi->vx_initpid)
++ return vxi->vx_initpid;
++ if (pid == vxi->vx_initpid)
++ return ~0U;
++ }
++ return pid;
++}
++
++#endif
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/sched.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched.h
+--- linux-3.7.10/include/linux/vserver/sched.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _VSERVER_SCHED_H
++#define _VSERVER_SCHED_H
++
++
++#ifdef __KERNEL__
++
++struct timespec;
++
++void vx_vsi_uptime(struct timespec *, struct timespec *);
++
++
++struct vx_info;
++
++void vx_update_load(struct vx_info *);
++
++
++void vx_update_sched_param(struct _vx_sched *sched,
++ struct _vx_sched_pc *sched_pc);
++
++#endif /* __KERNEL__ */
++#else /* _VSERVER_SCHED_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SCHED_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/sched_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched_cmd.h
+--- linux-3.7.10/include/linux/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,11 @@
++#ifndef _VSERVER_SCHED_CMD_H
++#define _VSERVER_SCHED_CMD_H
++
++
++#include <linux/compiler.h>
++#include <uapi/vserver/sched_cmd.h>
++
++extern int vc_set_prio_bias(struct vx_info *, void __user *);
++extern int vc_get_prio_bias(struct vx_info *, void __user *);
++
++#endif /* _VSERVER_SCHED_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/sched_def.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched_def.h
+--- linux-3.7.10/include/linux/vserver/sched_def.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/sched_def.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,38 @@
++#ifndef _VSERVER_SCHED_DEF_H
++#define _VSERVER_SCHED_DEF_H
++
++#include <linux/spinlock.h>
++#include <linux/jiffies.h>
++#include <linux/cpumask.h>
++#include <asm/atomic.h>
++#include <asm/param.h>
++
++
++/* context sub struct */
++
++struct _vx_sched {
++ int prio_bias; /* bias offset for priority */
++
++ cpumask_t update; /* CPUs which should update */
++};
++
++struct _vx_sched_pc {
++ int prio_bias; /* bias offset for priority */
++
++ uint64_t user_ticks; /* token tick events */
++ uint64_t sys_ticks; /* token tick events */
++ uint64_t hold_ticks; /* token ticks paused */
++};
++
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++static inline void __dump_vx_sched(struct _vx_sched *sched)
++{
++ printk("\t_vx_sched:\n");
++ printk("\t priority = %4d\n", sched->prio_bias);
++}
++
++#endif
++
++#endif /* _VSERVER_SCHED_DEF_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/signal.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/signal.h
+--- linux-3.7.10/include/linux/vserver/signal.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/signal.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_SIGNAL_H
++#define _VSERVER_SIGNAL_H
++
++
++#ifdef __KERNEL__
++
++struct vx_info;
++
++int vx_info_kill(struct vx_info *, int, int);
++
++#endif /* __KERNEL__ */
++#else /* _VSERVER_SIGNAL_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SIGNAL_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/signal_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/signal_cmd.h
+--- linux-3.7.10/include/linux/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/signal_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _VSERVER_SIGNAL_CMD_H
++#define _VSERVER_SIGNAL_CMD_H
++
++#include <uapi/vserver/signal_cmd.h>
++
++
++extern int vc_ctx_kill(struct vx_info *, void __user *);
++extern int vc_wait_exit(struct vx_info *, void __user *);
++
++
++extern int vc_get_pflags(uint32_t pid, void __user *);
++extern int vc_set_pflags(uint32_t pid, void __user *);
++
++#endif /* _VSERVER_SIGNAL_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/space.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/space.h
+--- linux-3.7.10/include/linux/vserver/space.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/space.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,12 @@
++#ifndef _VSERVER_SPACE_H
++#define _VSERVER_SPACE_H
++
++#include <linux/types.h>
++
++struct vx_info;
++
++int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index);
++
++#else /* _VSERVER_SPACE_H */
++#warning duplicate inclusion
++#endif /* _VSERVER_SPACE_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/space_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/space_cmd.h
+--- linux-3.7.10/include/linux/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/space_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _VSERVER_SPACE_CMD_H
++#define _VSERVER_SPACE_CMD_H
++
++#include <uapi/vserver/space_cmd.h>
++
++
++extern int vc_enter_space_v1(struct vx_info *, void __user *);
++extern int vc_set_space_v1(struct vx_info *, void __user *);
++extern int vc_enter_space(struct vx_info *, void __user *);
++extern int vc_set_space(struct vx_info *, void __user *);
++extern int vc_get_space_mask(void __user *, int);
++
++#endif /* _VSERVER_SPACE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/switch.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/switch.h
+--- linux-3.7.10/include/linux/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/switch.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,8 @@
++#ifndef _VSERVER_SWITCH_H
++#define _VSERVER_SWITCH_H
++
++
++#include <linux/errno.h>
++#include <uapi/vserver/switch.h>
++
++#endif /* _VSERVER_SWITCH_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/tag.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/tag.h
+--- linux-3.7.10/include/linux/vserver/tag.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/tag.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,143 @@
++#ifndef _DX_TAG_H
++#define _DX_TAG_H
++
++#include <linux/types.h>
++
++
++#define DX_TAG(in) (IS_TAGGED(in))
++
++
++#ifdef CONFIG_TAG_NFSD
++#define DX_TAG_NFSD 1
++#else
++#define DX_TAG_NFSD 0
++#endif
++
++
++#ifdef CONFIG_TAGGING_NONE
++
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0xFFFFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) (0)
++
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) (gid)
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_GID16
++
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0x0000FFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (((gid) >> 16) & 0xFFFF) : 0)
++
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) \
++ ((cond) ? (((gid) & 0xFFFF) | ((tag) << 16)) : (gid))
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_ID24
++
++#define MAX_UID 0x00FFFFFF
++#define MAX_GID 0x00FFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? ((((uid) >> 16) & 0xFF00) | (((gid) >> 24) & 0xFF)) : 0)
++
++#define TAGINO_UID(cond, uid, tag) \
++ ((cond) ? (((uid) & 0xFFFFFF) | (((tag) & 0xFF00) << 16)) : (uid))
++#define TAGINO_GID(cond, gid, tag) \
++ ((cond) ? (((gid) & 0xFFFFFF) | (((tag) & 0x00FF) << 24)) : (gid))
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_UID16
++
++#define MAX_UID 0x0000FFFF
++#define MAX_GID 0xFFFFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (((uid) >> 16) & 0xFFFF) : 0)
++
++#define TAGINO_UID(cond, uid, tag) \
++ ((cond) ? (((uid) & 0xFFFF) | ((tag) << 16)) : (uid))
++#define TAGINO_GID(cond, gid, tag) (gid)
++
++#endif
++
++
++#ifdef CONFIG_TAGGING_INTERN
++
++#define MAX_UID 0xFFFFFFFF
++#define MAX_GID 0xFFFFFFFF
++
++#define INOTAG_TAG(cond, uid, gid, tag) \
++ ((cond) ? (tag) : 0)
++
++#define TAGINO_UID(cond, uid, tag) (uid)
++#define TAGINO_GID(cond, gid, tag) (gid)
++
++#endif
++
++
++#ifndef CONFIG_TAGGING_NONE
++#define dx_current_fstag(sb) \
++ ((sb)->s_flags & MS_TAGGED ? dx_current_tag() : 0)
++#else
++#define dx_current_fstag(sb) (0)
++#endif
++
++#ifndef CONFIG_TAGGING_INTERN
++#define TAGINO_TAG(cond, tag) (0)
++#else
++#define TAGINO_TAG(cond, tag) ((cond) ? (tag) : 0)
++#endif
++
++#define INOTAG_UID(cond, uid, gid) \
++ ((cond) ? ((uid) & MAX_UID) : (uid))
++#define INOTAG_GID(cond, uid, gid) \
++ ((cond) ? ((gid) & MAX_GID) : (gid))
++
++
++static inline uid_t dx_map_uid(uid_t uid)
++{
++ if ((uid > MAX_UID) && (uid != -1))
++ uid = -2;
++ return (uid & MAX_UID);
++}
++
++static inline gid_t dx_map_gid(gid_t gid)
++{
++ if ((gid > MAX_GID) && (gid != -1))
++ gid = -2;
++ return (gid & MAX_GID);
++}
++
++struct peer_tag {
++ int32_t xid;
++ int32_t nid;
++};
++
++#define dx_notagcheck(sb) ((sb) && ((sb)->s_flags & MS_NOTAGCHECK))
++
++int dx_parse_tag(char *string, tag_t *tag, int remove, int *mnt_flags,
++ unsigned long *flags);
++
++#ifdef CONFIG_PROPAGATE
++
++void __dx_propagate_tag(struct nameidata *nd, struct inode *inode);
++
++#define dx_propagate_tag(n, i) __dx_propagate_tag(n, i)
++
++#else
++#define dx_propagate_tag(n, i) do { } while (0)
++#endif
++
++#endif /* _DX_TAG_H */
+diff -NurpP --minimal linux-3.7.10/include/linux/vserver/tag_cmd.h linux-3.7.10-vs2.3.5.6/include/linux/vserver/tag_cmd.h
+--- linux-3.7.10/include/linux/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/linux/vserver/tag_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,10 @@
++#ifndef _VSERVER_TAG_CMD_H
++#define _VSERVER_TAG_CMD_H
++
++#include <uapi/vserver/tag_cmd.h>
++
++extern int vc_task_tag(uint32_t);
++
++extern int vc_tag_migrate(uint32_t);
++
++#endif /* _VSERVER_TAG_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/net/addrconf.h linux-3.7.10-vs2.3.5.6/include/net/addrconf.h
+--- linux-3.7.10/include/net/addrconf.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/addrconf.h 2012-12-18 15:13:16.000000000 +0000
+@@ -81,7 +81,8 @@ extern int ipv6_dev_get_saddr(struct n
+ const struct net_device *dev,
+ const struct in6_addr *daddr,
+ unsigned int srcprefs,
+- struct in6_addr *saddr);
++ struct in6_addr *saddr,
++ struct nx_info *nxi);
+ extern int ipv6_get_lladdr(struct net_device *dev,
+ struct in6_addr *addr,
+ unsigned char banned_flags);
+diff -NurpP --minimal linux-3.7.10/include/net/af_unix.h linux-3.7.10-vs2.3.5.6/include/net/af_unix.h
+--- linux-3.7.10/include/net/af_unix.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/af_unix.h 2012-12-18 15:13:16.000000000 +0000
+@@ -4,6 +4,7 @@
+ #include <linux/socket.h>
+ #include <linux/un.h>
+ #include <linux/mutex.h>
++#include <linux/vs_base.h>
+ #include <net/sock.h>
+
+ extern void unix_inflight(struct file *fp);
+diff -NurpP --minimal linux-3.7.10/include/net/inet_timewait_sock.h linux-3.7.10-vs2.3.5.6/include/net/inet_timewait_sock.h
+--- linux-3.7.10/include/net/inet_timewait_sock.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/inet_timewait_sock.h 2012-12-18 15:13:16.000000000 +0000
+@@ -112,6 +112,10 @@ struct inet_timewait_sock {
+ #define tw_net __tw_common.skc_net
+ #define tw_daddr __tw_common.skc_daddr
+ #define tw_rcv_saddr __tw_common.skc_rcv_saddr
++#define tw_xid __tw_common.skc_xid
++#define tw_vx_info __tw_common.skc_vx_info
++#define tw_nid __tw_common.skc_nid
++#define tw_nx_info __tw_common.skc_nx_info
+ int tw_timeout;
+ volatile unsigned char tw_substate;
+ unsigned char tw_rcv_wscale;
+diff -NurpP --minimal linux-3.7.10/include/net/ip6_route.h linux-3.7.10-vs2.3.5.6/include/net/ip6_route.h
+--- linux-3.7.10/include/net/ip6_route.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/ip6_route.h 2012-12-18 15:13:16.000000000 +0000
+@@ -97,7 +97,8 @@ extern int ip6_route_get_saddr(struct
+ struct rt6_info *rt,
+ const struct in6_addr *daddr,
+ unsigned int prefs,
+- struct in6_addr *saddr);
++ struct in6_addr *saddr,
++ struct nx_info *nxi);
+
+ extern struct rt6_info *rt6_lookup(struct net *net,
+ const struct in6_addr *daddr,
+diff -NurpP --minimal linux-3.7.10/include/net/route.h linux-3.7.10-vs2.3.5.6/include/net/route.h
+--- linux-3.7.10/include/net/route.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/route.h 2012-12-18 15:13:16.000000000 +0000
+@@ -204,6 +204,9 @@ static inline void ip_rt_put(struct rtab
+ dst_release(&rt->dst);
+ }
+
++#include <linux/vs_base.h>
++#include <linux/vs_inet.h>
++
+ #define IPTOS_RT_MASK (IPTOS_TOS_MASK & ~3)
+
+ extern const __u8 ip_tos2prio[16];
+@@ -253,6 +256,9 @@ static inline void ip_route_connect_init
+ protocol, flow_flags, dst, src, dport, sport);
+ }
+
++extern struct rtable *ip_v4_find_src(struct net *net, struct nx_info *,
++ struct flowi4 *);
++
+ static inline struct rtable *ip_route_connect(struct flowi4 *fl4,
+ __be32 dst, __be32 src, u32 tos,
+ int oif, u8 protocol,
+@@ -261,11 +267,25 @@ static inline struct rtable *ip_route_co
+ {
+ struct net *net = sock_net(sk);
+ struct rtable *rt;
++ struct nx_info *nx_info = current_nx_info();
+
+ ip_route_connect_init(fl4, dst, src, tos, oif, protocol,
+ sport, dport, sk, can_sleep);
+
+- if (!dst || !src) {
++ if (sk)
++ nx_info = sk->sk_nx_info;
++
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_route_connect(%p) %p,%p;%lx",
++ sk, nx_info, sk->sk_socket,
++ (sk->sk_socket?sk->sk_socket->flags:0));
++
++ rt = ip_v4_find_src(net, nx_info, fl4);
++ if (IS_ERR(rt))
++ return rt;
++ ip_rt_put(rt);
++
++ if (!fl4->daddr || !fl4->saddr) {
+ rt = __ip_route_output_key(net, fl4);
+ if (IS_ERR(rt))
+ return rt;
+diff -NurpP --minimal linux-3.7.10/include/net/sock.h linux-3.7.10-vs2.3.5.6/include/net/sock.h
+--- linux-3.7.10/include/net/sock.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/net/sock.h 2012-12-18 15:13:16.000000000 +0000
+@@ -171,6 +171,10 @@ struct sock_common {
+ #ifdef CONFIG_NET_NS
+ struct net *skc_net;
+ #endif
++ xid_t skc_xid;
++ struct vx_info *skc_vx_info;
++ nid_t skc_nid;
++ struct nx_info *skc_nx_info;
+ /*
+ * fields between dontcopy_begin/dontcopy_end
+ * are not copied in sock_copy()
+@@ -283,6 +287,10 @@ struct sock {
+ #define sk_bind_node __sk_common.skc_bind_node
+ #define sk_prot __sk_common.skc_prot
+ #define sk_net __sk_common.skc_net
++#define sk_xid __sk_common.skc_xid
++#define sk_vx_info __sk_common.skc_vx_info
++#define sk_nid __sk_common.skc_nid
++#define sk_nx_info __sk_common.skc_nx_info
+ socket_lock_t sk_lock;
+ struct sk_buff_head sk_receive_queue;
+ /*
+diff -NurpP --minimal linux-3.7.10/include/uapi/Kbuild linux-3.7.10-vs2.3.5.6/include/uapi/Kbuild
+--- linux-3.7.10/include/uapi/Kbuild 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/Kbuild 2012-12-18 15:13:16.000000000 +0000
+@@ -12,3 +12,4 @@ header-y += video/
+ header-y += drm/
+ header-y += xen/
+ header-y += scsi/
++header-y += vserver/
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/capability.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/capability.h
+--- linux-3.7.10/include/uapi/linux/capability.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/capability.h 2012-12-18 15:13:16.000000000 +0000
+@@ -259,6 +259,7 @@ struct vfs_cap_data {
+ arbitrary SCSI commands */
+ /* Allow setting encryption key on loopback filesystem */
+ /* Allow setting zone reclaim policy */
++/* Allow the selection of a security context */
+
+ #define CAP_SYS_ADMIN 21
+
+@@ -345,7 +346,12 @@ struct vfs_cap_data {
+
+ #define CAP_LAST_CAP CAP_BLOCK_SUSPEND
+
+-#define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)
++/* Allow context manipulations */
++/* Allow changing context info on files */
++
++#define CAP_CONTEXT 63
++
++#define cap_valid(x) ((x) >= 0 && ((x) <= CAP_LAST_CAP || (x) == CAP_CONTEXT))
+
+ /*
+ * Bit location of each capability (used by user-space library and kernel)
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/fs.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/fs.h
+--- linux-3.7.10/include/uapi/linux/fs.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/fs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -86,6 +86,9 @@ struct inodes_stat_t {
+ #define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */
+ #define MS_I_VERSION (1<<23) /* Update inode I_version field */
+ #define MS_STRICTATIME (1<<24) /* Always perform atime updates */
++#define MS_TAGGED (1<<25) /* use generic inode tagging */
++#define MS_TAGID (1<<26) /* use specific tag for this mount */
++#define MS_NOTAGCHECK (1<<27) /* don't check tags */
+ #define MS_NOSEC (1<<28)
+ #define MS_BORN (1<<29)
+ #define MS_ACTIVE (1<<30)
+@@ -189,11 +192,14 @@ struct inodes_stat_t {
+ #define FS_EXTENT_FL 0x00080000 /* Extents */
+ #define FS_DIRECTIO_FL 0x00100000 /* Use direct i/o */
+ #define FS_NOCOW_FL 0x00800000 /* Do not cow file */
++#define FS_IXUNLINK_FL 0x08000000 /* Immutable invert on unlink */
+ #define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */
+
+-#define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */
+-#define FS_FL_USER_MODIFIABLE 0x000380FF /* User modifiable flags */
++#define FS_BARRIER_FL 0x04000000 /* Barrier for chroot() */
++#define FS_COW_FL 0x20000000 /* Copy on Write marker */
+
++#define FS_FL_USER_VISIBLE 0x0103DFFF /* User visible flags */
++#define FS_FL_USER_MODIFIABLE 0x010380FF /* User modifiable flags */
+
+ #define SYNC_FILE_RANGE_WAIT_BEFORE 1
+ #define SYNC_FILE_RANGE_WRITE 2
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/gfs2_ondisk.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/gfs2_ondisk.h
+--- linux-3.7.10/include/uapi/linux/gfs2_ondisk.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/gfs2_ondisk.h 2012-12-18 15:13:16.000000000 +0000
+@@ -225,6 +225,9 @@ enum {
+ gfs2fl_Sync = 8,
+ gfs2fl_System = 9,
+ gfs2fl_TopLevel = 10,
++ gfs2fl_IXUnlink = 16,
++ gfs2fl_Barrier = 17,
++ gfs2fl_Cow = 18,
+ gfs2fl_TruncInProg = 29,
+ gfs2fl_InheritDirectio = 30,
+ gfs2fl_InheritJdata = 31,
+@@ -242,6 +245,9 @@ enum {
+ #define GFS2_DIF_SYNC 0x00000100
+ #define GFS2_DIF_SYSTEM 0x00000200 /* New in gfs2 */
+ #define GFS2_DIF_TOPDIR 0x00000400 /* New in gfs2 */
++#define GFS2_DIF_IXUNLINK 0x00010000
++#define GFS2_DIF_BARRIER 0x00020000
++#define GFS2_DIF_COW 0x00040000
+ #define GFS2_DIF_TRUNC_IN_PROG 0x20000000 /* New in gfs2 */
+ #define GFS2_DIF_INHERIT_DIRECTIO 0x40000000 /* only in gfs1 */
+ #define GFS2_DIF_INHERIT_JDATA 0x80000000
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/if_tun.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/if_tun.h
+--- linux-3.7.10/include/uapi/linux/if_tun.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/if_tun.h 2012-12-18 15:13:16.000000000 +0000
+@@ -53,6 +53,7 @@
+ #define TUNDETACHFILTER _IOW('T', 214, struct sock_fprog)
+ #define TUNGETVNETHDRSZ _IOR('T', 215, int)
+ #define TUNSETVNETHDRSZ _IOW('T', 216, int)
++#define TUNSETNID _IOW('T', 217, int)
+
+ /* TUNSETIFF ifr flags */
+ #define IFF_TUN 0x0001
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/major.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/major.h
+--- linux-3.7.10/include/uapi/linux/major.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/major.h 2012-12-18 15:13:16.000000000 +0000
+@@ -15,6 +15,7 @@
+ #define HD_MAJOR IDE0_MAJOR
+ #define PTY_SLAVE_MAJOR 3
+ #define TTY_MAJOR 4
++#define VROOT_MAJOR 4
+ #define TTYAUX_MAJOR 5
+ #define LP_MAJOR 6
+ #define VCS_MAJOR 7
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/nfs_mount.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/nfs_mount.h
+--- linux-3.7.10/include/uapi/linux/nfs_mount.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/nfs_mount.h 2012-12-18 15:13:16.000000000 +0000
+@@ -63,7 +63,8 @@ struct nfs_mount_data {
+ #define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 */
+ #define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */
+ #define NFS_MOUNT_UNSHARED 0x8000 /* 5 */
+-#define NFS_MOUNT_FLAGMASK 0xFFFF
++#define NFS_MOUNT_TAGGED 0x10000 /* context tagging */
++#define NFS_MOUNT_FLAGMASK 0x1FFFF
+
+ /* The following are for internal use only */
+ #define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/reboot.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/reboot.h
+--- linux-3.7.10/include/uapi/linux/reboot.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/reboot.h 2012-12-18 15:13:16.000000000 +0000
+@@ -33,7 +33,7 @@
+ #define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4
+ #define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2
+ #define LINUX_REBOOT_CMD_KEXEC 0x45584543
+-
++#define LINUX_REBOOT_CMD_OOM 0xDEADBEEF
+
+
+ #endif /* _UAPI_LINUX_REBOOT_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/linux/sysctl.h linux-3.7.10-vs2.3.5.6/include/uapi/linux/sysctl.h
+--- linux-3.7.10/include/uapi/linux/sysctl.h 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/linux/sysctl.h 2012-12-18 15:13:16.000000000 +0000
+@@ -60,6 +60,7 @@ enum
+ CTL_ABI=9, /* Binary emulation */
+ CTL_CPU=10, /* CPU stuff (speed scaling, etc) */
+ CTL_ARLAN=254, /* arlan wireless driver */
++ CTL_VSERVER=4242, /* Linux-VServer debug */
+ CTL_S390DBF=5677, /* s390 debug */
+ CTL_SUNRPC=7249, /* sunrpc debug */
+ CTL_PM=9899, /* frv power management */
+@@ -94,6 +95,7 @@ enum
+
+ KERN_PANIC=15, /* int: panic timeout */
+ KERN_REALROOTDEV=16, /* real root device to mount after initrd */
++ KERN_VSHELPER=17, /* string: path to vshelper policy agent */
+
+ KERN_SPARC_REBOOT=21, /* reboot command on Sparc */
+ KERN_CTLALTDEL=22, /* int: allow ctl-alt-del to reboot */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/Kbuild linux-3.7.10-vs2.3.5.6/include/uapi/vserver/Kbuild
+--- linux-3.7.10/include/uapi/vserver/Kbuild 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/Kbuild 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,9 @@
++
++header-y += context_cmd.h network_cmd.h space_cmd.h \
++ cacct_cmd.h cvirt_cmd.h limit_cmd.h dlimit_cmd.h \
++ inode_cmd.h tag_cmd.h sched_cmd.h signal_cmd.h \
++ debug_cmd.h device_cmd.h
++
++header-y += switch.h context.h network.h monitor.h \
++ limit.h inode.h device.h
++
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/cacct_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/cacct_cmd.h
+--- linux-3.7.10/include/uapi/vserver/cacct_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/cacct_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,15 @@
++#ifndef _UAPI_VS_CACCT_CMD_H
++#define _UAPI_VS_CACCT_CMD_H
++
++
++/* virtual host info name commands */
++
++#define VCMD_sock_stat VC_CMD(VSTAT, 5, 0)
++
++struct vcmd_sock_stat_v0 {
++ uint32_t field;
++ uint32_t count[3];
++ uint64_t total[3];
++};
++
++#endif /* _UAPI_VS_CACCT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/context.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/context.h
+--- linux-3.7.10/include/uapi/vserver/context.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/context.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,80 @@
++#ifndef _UAPI_VS_CONTEXT_H
++#define _UAPI_VS_CONTEXT_H
++
++#include <linux/types.h>
++#include <linux/capability.h>
++
++
++/* context flags */
++
++#define VXF_INFO_SCHED 0x00000002
++#define VXF_INFO_NPROC 0x00000004
++#define VXF_INFO_PRIVATE 0x00000008
++
++#define VXF_INFO_INIT 0x00000010
++#define VXF_INFO_HIDE 0x00000020
++#define VXF_INFO_ULIMIT 0x00000040
++#define VXF_INFO_NSPACE 0x00000080
++
++#define VXF_SCHED_HARD 0x00000100
++#define VXF_SCHED_PRIO 0x00000200
++#define VXF_SCHED_PAUSE 0x00000400
++
++#define VXF_VIRT_MEM 0x00010000
++#define VXF_VIRT_UPTIME 0x00020000
++#define VXF_VIRT_CPU 0x00040000
++#define VXF_VIRT_LOAD 0x00080000
++#define VXF_VIRT_TIME 0x00100000
++
++#define VXF_HIDE_MOUNT 0x01000000
++/* was VXF_HIDE_NETIF 0x02000000 */
++#define VXF_HIDE_VINFO 0x04000000
++
++#define VXF_STATE_SETUP (1ULL << 32)
++#define VXF_STATE_INIT (1ULL << 33)
++#define VXF_STATE_ADMIN (1ULL << 34)
++
++#define VXF_SC_HELPER (1ULL << 36)
++#define VXF_REBOOT_KILL (1ULL << 37)
++#define VXF_PERSISTENT (1ULL << 38)
++
++#define VXF_FORK_RSS (1ULL << 48)
++#define VXF_PROLIFIC (1ULL << 49)
++
++#define VXF_IGNEG_NICE (1ULL << 52)
++
++#define VXF_ONE_TIME (0x0007ULL << 32)
++
++#define VXF_INIT_SET (VXF_STATE_SETUP | VXF_STATE_INIT | VXF_STATE_ADMIN)
++
++
++/* context migration */
++
++#define VXM_SET_INIT 0x00000001
++#define VXM_SET_REAPER 0x00000002
++
++/* context caps */
++
++#define VXC_SET_UTSNAME 0x00000001
++#define VXC_SET_RLIMIT 0x00000002
++#define VXC_FS_SECURITY 0x00000004
++#define VXC_FS_TRUSTED 0x00000008
++#define VXC_TIOCSTI 0x00000010
++
++/* was VXC_RAW_ICMP 0x00000100 */
++#define VXC_SYSLOG 0x00001000
++#define VXC_OOM_ADJUST 0x00002000
++#define VXC_AUDIT_CONTROL 0x00004000
++
++#define VXC_SECURE_MOUNT 0x00010000
++#define VXC_SECURE_REMOUNT 0x00020000
++#define VXC_BINARY_MOUNT 0x00040000
++
++#define VXC_QUOTA_CTL 0x00100000
++#define VXC_ADMIN_MAPPER 0x00200000
++#define VXC_ADMIN_CLOOP 0x00400000
++
++#define VXC_KTHREAD 0x01000000
++#define VXC_NAMESPACE 0x02000000
++
++#endif /* _UAPI_VS_CONTEXT_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/context_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/context_cmd.h
+--- linux-3.7.10/include/uapi/vserver/context_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/context_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,115 @@
++#ifndef _UAPI_VS_CONTEXT_CMD_H
++#define _UAPI_VS_CONTEXT_CMD_H
++
++
++/* vinfo commands */
++
++#define VCMD_task_xid VC_CMD(VINFO, 1, 0)
++
++
++#define VCMD_vx_info VC_CMD(VINFO, 5, 0)
++
++struct vcmd_vx_info_v0 {
++ uint32_t xid;
++ uint32_t initpid;
++ /* more to come */
++};
++
++
++#define VCMD_ctx_stat VC_CMD(VSTAT, 0, 0)
++
++struct vcmd_ctx_stat_v0 {
++ uint32_t usecnt;
++ uint32_t tasks;
++ /* more to come */
++};
++
++
++/* context commands */
++
++#define VCMD_ctx_create_v0 VC_CMD(VPROC, 1, 0)
++#define VCMD_ctx_create VC_CMD(VPROC, 1, 1)
++
++struct vcmd_ctx_create {
++ uint64_t flagword;
++};
++
++#define VCMD_ctx_migrate_v0 VC_CMD(PROCMIG, 1, 0)
++#define VCMD_ctx_migrate VC_CMD(PROCMIG, 1, 1)
++
++struct vcmd_ctx_migrate {
++ uint64_t flagword;
++};
++
++
++
++/* flag commands */
++
++#define VCMD_get_cflags VC_CMD(FLAGS, 1, 0)
++#define VCMD_set_cflags VC_CMD(FLAGS, 2, 0)
++
++struct vcmd_ctx_flags_v0 {
++ uint64_t flagword;
++ uint64_t mask;
++};
++
++
++
++/* context caps commands */
++
++#define VCMD_get_ccaps VC_CMD(FLAGS, 3, 1)
++#define VCMD_set_ccaps VC_CMD(FLAGS, 4, 1)
++
++struct vcmd_ctx_caps_v1 {
++ uint64_t ccaps;
++ uint64_t cmask;
++};
++
++
++
++/* bcaps commands */
++
++#define VCMD_get_bcaps VC_CMD(FLAGS, 9, 0)
++#define VCMD_set_bcaps VC_CMD(FLAGS, 10, 0)
++
++struct vcmd_bcaps {
++ uint64_t bcaps;
++ uint64_t bmask;
++};
++
++
++
++/* umask commands */
++
++#define VCMD_get_umask VC_CMD(FLAGS, 13, 0)
++#define VCMD_set_umask VC_CMD(FLAGS, 14, 0)
++
++struct vcmd_umask {
++ uint64_t umask;
++ uint64_t mask;
++};
++
++
++
++/* wmask commands */
++
++#define VCMD_get_wmask VC_CMD(FLAGS, 15, 0)
++#define VCMD_set_wmask VC_CMD(FLAGS, 16, 0)
++
++struct vcmd_wmask {
++ uint64_t wmask;
++ uint64_t mask;
++};
++
++
++
++/* OOM badness */
++
++#define VCMD_get_badness VC_CMD(MEMCTRL, 5, 0)
++#define VCMD_set_badness VC_CMD(MEMCTRL, 6, 0)
++
++struct vcmd_badness_v0 {
++ int64_t bias;
++};
++
++#endif /* _UAPI_VS_CONTEXT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/cvirt_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/cvirt_cmd.h
+--- linux-3.7.10/include/uapi/vserver/cvirt_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/cvirt_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,41 @@
++#ifndef _UAPI_VS_CVIRT_CMD_H
++#define _UAPI_VS_CVIRT_CMD_H
++
++
++/* virtual host info name commands */
++
++#define VCMD_set_vhi_name VC_CMD(VHOST, 1, 0)
++#define VCMD_get_vhi_name VC_CMD(VHOST, 2, 0)
++
++struct vcmd_vhi_name_v0 {
++ uint32_t field;
++ char name[65];
++};
++
++
++enum vhi_name_field {
++ VHIN_CONTEXT = 0,
++ VHIN_SYSNAME,
++ VHIN_NODENAME,
++ VHIN_RELEASE,
++ VHIN_VERSION,
++ VHIN_MACHINE,
++ VHIN_DOMAINNAME,
++};
++
++
++
++#define VCMD_virt_stat VC_CMD(VSTAT, 3, 0)
++
++struct vcmd_virt_stat_v0 {
++ uint64_t offset;
++ uint64_t uptime;
++ uint32_t nr_threads;
++ uint32_t nr_running;
++ uint32_t nr_uninterruptible;
++ uint32_t nr_onhold;
++ uint32_t nr_forks;
++ uint32_t load[3];
++};
++
++#endif /* _UAPI_VS_CVIRT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/debug_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/debug_cmd.h
+--- linux-3.7.10/include/uapi/vserver/debug_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/debug_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,24 @@
++#ifndef _UAPI_VS_DEBUG_CMD_H
++#define _UAPI_VS_DEBUG_CMD_H
++
++
++/* debug commands */
++
++#define VCMD_dump_history VC_CMD(DEBUG, 1, 0)
++
++#define VCMD_read_history VC_CMD(DEBUG, 5, 0)
++#define VCMD_read_monitor VC_CMD(DEBUG, 6, 0)
++
++struct vcmd_read_history_v0 {
++ uint32_t index;
++ uint32_t count;
++ char __user *data;
++};
++
++struct vcmd_read_monitor_v0 {
++ uint32_t index;
++ uint32_t count;
++ char __user *data;
++};
++
++#endif /* _UAPI_VS_DEBUG_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/device.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/device.h
+--- linux-3.7.10/include/uapi/vserver/device.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/device.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,12 @@
++#ifndef _UAPI_VS_DEVICE_H
++#define _UAPI_VS_DEVICE_H
++
++
++#define DATTR_CREATE 0x00000001
++#define DATTR_OPEN 0x00000002
++
++#define DATTR_REMAP 0x00000010
++
++#define DATTR_MASK 0x00000013
++
++#endif /* _UAPI_VS_DEVICE_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/device_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/device_cmd.h
+--- linux-3.7.10/include/uapi/vserver/device_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/device_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,16 @@
++#ifndef _UAPI_VS_DEVICE_CMD_H
++#define _UAPI_VS_DEVICE_CMD_H
++
++
++/* device vserver commands */
++
++#define VCMD_set_mapping VC_CMD(DEVICE, 1, 0)
++#define VCMD_unset_mapping VC_CMD(DEVICE, 2, 0)
++
++struct vcmd_set_mapping_v0 {
++ const char __user *device;
++ const char __user *target;
++ uint32_t flags;
++};
++
++#endif /* _UAPI_VS_DEVICE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/dlimit_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/dlimit_cmd.h
+--- linux-3.7.10/include/uapi/vserver/dlimit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/dlimit_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,67 @@
++#ifndef _UAPI_VS_DLIMIT_CMD_H
++#define _UAPI_VS_DLIMIT_CMD_H
++
++
++/* dlimit vserver commands */
++
++#define VCMD_add_dlimit VC_CMD(DLIMIT, 1, 0)
++#define VCMD_rem_dlimit VC_CMD(DLIMIT, 2, 0)
++
++#define VCMD_set_dlimit VC_CMD(DLIMIT, 5, 0)
++#define VCMD_get_dlimit VC_CMD(DLIMIT, 6, 0)
++
++struct vcmd_ctx_dlimit_base_v0 {
++ const char __user *name;
++ uint32_t flags;
++};
++
++struct vcmd_ctx_dlimit_v0 {
++ const char __user *name;
++ uint32_t space_used; /* used space in kbytes */
++ uint32_t space_total; /* maximum space in kbytes */
++ uint32_t inodes_used; /* used inodes */
++ uint32_t inodes_total; /* maximum inodes */
++ uint32_t reserved; /* reserved for root in % */
++ uint32_t flags;
++};
++
++#define CDLIM_UNSET ((uint32_t)0UL)
++#define CDLIM_INFINITY ((uint32_t)~0UL)
++#define CDLIM_KEEP ((uint32_t)~1UL)
++
++#define DLIME_UNIT 0
++#define DLIME_KILO 1
++#define DLIME_MEGA 2
++#define DLIME_GIGA 3
++
++#define DLIMF_SHIFT 0x10
++
++#define DLIMS_USED 0
++#define DLIMS_TOTAL 2
++
++static inline
++uint64_t dlimit_space_32to64(uint32_t val, uint32_t flags, int shift)
++{
++ int exp = (flags & DLIMF_SHIFT) ?
++ (flags >> shift) & DLIME_GIGA : DLIME_KILO;
++ return ((uint64_t)val) << (10 * exp);
++}
++
++static inline
++uint32_t dlimit_space_64to32(uint64_t val, uint32_t *flags, int shift)
++{
++ int exp = 0;
++
++ if (*flags & DLIMF_SHIFT) {
++ while (val > (1LL << 32) && (exp < 3)) {
++ val >>= 10;
++ exp++;
++ }
++ *flags &= ~(DLIME_GIGA << shift);
++ *flags |= exp << shift;
++ } else
++ val >>= 10;
++ return val;
++}
++
++#endif /* _UAPI_VS_DLIMIT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/inode.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/inode.h
+--- linux-3.7.10/include/uapi/vserver/inode.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/inode.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,23 @@
++#ifndef _UAPI_VS_INODE_H
++#define _UAPI_VS_INODE_H
++
++
++#define IATTR_TAG 0x01000000
++
++#define IATTR_ADMIN 0x00000001
++#define IATTR_WATCH 0x00000002
++#define IATTR_HIDE 0x00000004
++#define IATTR_FLAGS 0x00000007
++
++#define IATTR_BARRIER 0x00010000
++#define IATTR_IXUNLINK 0x00020000
++#define IATTR_IMMUTABLE 0x00040000
++#define IATTR_COW 0x00080000
++
++
++/* inode ioctls */
++
++#define FIOC_GETXFLG _IOR('x', 5, long)
++#define FIOC_SETXFLG _IOW('x', 6, long)
++
++#endif /* _UAPI_VS_INODE_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/inode_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/inode_cmd.h
+--- linux-3.7.10/include/uapi/vserver/inode_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/inode_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,26 @@
++#ifndef _UAPI_VS_INODE_CMD_H
++#define _UAPI_VS_INODE_CMD_H
++
++
++/* inode vserver commands */
++
++#define VCMD_get_iattr VC_CMD(INODE, 1, 1)
++#define VCMD_set_iattr VC_CMD(INODE, 2, 1)
++
++#define VCMD_fget_iattr VC_CMD(INODE, 3, 0)
++#define VCMD_fset_iattr VC_CMD(INODE, 4, 0)
++
++struct vcmd_ctx_iattr_v1 {
++ const char __user *name;
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
++
++struct vcmd_ctx_fiattr_v0 {
++ uint32_t tag;
++ uint32_t flags;
++ uint32_t mask;
++};
++
++#endif /* _UAPI_VS_INODE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/limit.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/limit.h
+--- linux-3.7.10/include/uapi/vserver/limit.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/limit.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _UAPI_VS_LIMIT_H
++#define _UAPI_VS_LIMIT_H
++
++
++#define VLIMIT_NSOCK 16
++#define VLIMIT_OPENFD 17
++#define VLIMIT_ANON 18
++#define VLIMIT_SHMEM 19
++#define VLIMIT_SEMARY 20
++#define VLIMIT_NSEMS 21
++#define VLIMIT_DENTRY 22
++#define VLIMIT_MAPPED 23
++
++#endif /* _UAPI_VS_LIMIT_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/limit_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/limit_cmd.h
+--- linux-3.7.10/include/uapi/vserver/limit_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/limit_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,40 @@
++#ifndef _UAPI_VS_LIMIT_CMD_H
++#define _UAPI_VS_LIMIT_CMD_H
++
++
++/* rlimit vserver commands */
++
++#define VCMD_get_rlimit VC_CMD(RLIMIT, 1, 0)
++#define VCMD_set_rlimit VC_CMD(RLIMIT, 2, 0)
++#define VCMD_get_rlimit_mask VC_CMD(RLIMIT, 3, 0)
++#define VCMD_reset_hits VC_CMD(RLIMIT, 7, 0)
++#define VCMD_reset_minmax VC_CMD(RLIMIT, 9, 0)
++
++struct vcmd_ctx_rlimit_v0 {
++ uint32_t id;
++ uint64_t minimum;
++ uint64_t softlimit;
++ uint64_t maximum;
++};
++
++struct vcmd_ctx_rlimit_mask_v0 {
++ uint32_t minimum;
++ uint32_t softlimit;
++ uint32_t maximum;
++};
++
++#define VCMD_rlimit_stat VC_CMD(VSTAT, 1, 0)
++
++struct vcmd_rlimit_stat_v0 {
++ uint32_t id;
++ uint32_t hits;
++ uint64_t value;
++ uint64_t minimum;
++ uint64_t maximum;
++};
++
++#define CRLIM_UNSET (0ULL)
++#define CRLIM_INFINITY (~0ULL)
++#define CRLIM_KEEP (~1ULL)
++
++#endif /* _UAPI_VS_LIMIT_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/monitor.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/monitor.h
+--- linux-3.7.10/include/uapi/vserver/monitor.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/monitor.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,96 @@
++#ifndef _UAPI_VS_MONITOR_H
++#define _UAPI_VS_MONITOR_H
++
++#include <linux/types.h>
++
++
++enum {
++ VXM_UNUSED = 0,
++
++ VXM_SYNC = 0x10,
++
++ VXM_UPDATE = 0x20,
++ VXM_UPDATE_1,
++ VXM_UPDATE_2,
++
++ VXM_RQINFO_1 = 0x24,
++ VXM_RQINFO_2,
++
++ VXM_ACTIVATE = 0x40,
++ VXM_DEACTIVATE,
++ VXM_IDLE,
++
++ VXM_HOLD = 0x44,
++ VXM_UNHOLD,
++
++ VXM_MIGRATE = 0x48,
++ VXM_RESCHED,
++
++ /* all other bits are flags */
++ VXM_SCHED = 0x80,
++};
++
++struct _vxm_update_1 {
++ uint32_t tokens_max;
++ uint32_t fill_rate;
++ uint32_t interval;
++};
++
++struct _vxm_update_2 {
++ uint32_t tokens_min;
++ uint32_t fill_rate;
++ uint32_t interval;
++};
++
++struct _vxm_rqinfo_1 {
++ uint16_t running;
++ uint16_t onhold;
++ uint16_t iowait;
++ uint16_t uintr;
++ uint32_t idle_tokens;
++};
++
++struct _vxm_rqinfo_2 {
++ uint32_t norm_time;
++ uint32_t idle_time;
++ uint32_t idle_skip;
++};
++
++struct _vxm_sched {
++ uint32_t tokens;
++ uint32_t norm_time;
++ uint32_t idle_time;
++};
++
++struct _vxm_task {
++ uint16_t pid;
++ uint16_t state;
++};
++
++struct _vxm_event {
++ uint32_t jif;
++ union {
++ uint32_t seq;
++ uint32_t sec;
++ };
++ union {
++ uint32_t tokens;
++ uint32_t nsec;
++ struct _vxm_task tsk;
++ };
++};
++
++struct _vx_mon_entry {
++ uint16_t type;
++ uint16_t xid;
++ union {
++ struct _vxm_event ev;
++ struct _vxm_sched sd;
++ struct _vxm_update_1 u1;
++ struct _vxm_update_2 u2;
++ struct _vxm_rqinfo_1 q1;
++ struct _vxm_rqinfo_2 q2;
++ };
++};
++
++#endif /* _UAPI_VS_MONITOR_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/network.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/network.h
+--- linux-3.7.10/include/uapi/vserver/network.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/network.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,76 @@
++#ifndef _UAPI_VS_NETWORK_H
++#define _UAPI_VS_NETWORK_H
++
++#include <linux/types.h>
++
++
++#define MAX_N_CONTEXT 65535 /* Arbitrary limit */
++
++
++/* network flags */
++
++#define NXF_INFO_PRIVATE 0x00000008
++
++#define NXF_SINGLE_IP 0x00000100
++#define NXF_LBACK_REMAP 0x00000200
++#define NXF_LBACK_ALLOW 0x00000400
++
++#define NXF_HIDE_NETIF 0x02000000
++#define NXF_HIDE_LBACK 0x04000000
++
++#define NXF_STATE_SETUP (1ULL << 32)
++#define NXF_STATE_ADMIN (1ULL << 34)
++
++#define NXF_SC_HELPER (1ULL << 36)
++#define NXF_PERSISTENT (1ULL << 38)
++
++#define NXF_ONE_TIME (0x0005ULL << 32)
++
++
++#define NXF_INIT_SET (__nxf_init_set())
++
++static inline uint64_t __nxf_init_set(void) {
++ return NXF_STATE_ADMIN
++#ifdef CONFIG_VSERVER_AUTO_LBACK
++ | NXF_LBACK_REMAP
++ | NXF_HIDE_LBACK
++#endif
++#ifdef CONFIG_VSERVER_AUTO_SINGLE
++ | NXF_SINGLE_IP
++#endif
++ | NXF_HIDE_NETIF;
++}
++
++
++/* network caps */
++
++#define NXC_TUN_CREATE 0x00000001
++
++#define NXC_RAW_ICMP 0x00000100
++
++#define NXC_MULTICAST 0x00001000
++
++
++/* address types */
++
++#define NXA_TYPE_IPV4 0x0001
++#define NXA_TYPE_IPV6 0x0002
++
++#define NXA_TYPE_NONE 0x0000
++#define NXA_TYPE_ANY 0x00FF
++
++#define NXA_TYPE_ADDR 0x0010
++#define NXA_TYPE_MASK 0x0020
++#define NXA_TYPE_RANGE 0x0040
++
++#define NXA_MASK_ALL (NXA_TYPE_ADDR | NXA_TYPE_MASK | NXA_TYPE_RANGE)
++
++#define NXA_MOD_BCAST 0x0100
++#define NXA_MOD_LBACK 0x0200
++
++#define NXA_LOOPBACK 0x1000
++
++#define NXA_MASK_BIND (NXA_MASK_ALL | NXA_MOD_BCAST | NXA_MOD_LBACK)
++#define NXA_MASK_SHOW (NXA_MASK_ALL | NXA_LOOPBACK)
++
++#endif /* _UAPI_VS_NETWORK_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/network_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/network_cmd.h
+--- linux-3.7.10/include/uapi/vserver/network_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/network_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,123 @@
++#ifndef _UAPI_VS_NETWORK_CMD_H
++#define _UAPI_VS_NETWORK_CMD_H
++
++
++/* vinfo commands */
++
++#define VCMD_task_nid VC_CMD(VINFO, 2, 0)
++
++
++#define VCMD_nx_info VC_CMD(VINFO, 6, 0)
++
++struct vcmd_nx_info_v0 {
++ uint32_t nid;
++ /* more to come */
++};
++
++
++#include <linux/in.h>
++#include <linux/in6.h>
++
++#define VCMD_net_create_v0 VC_CMD(VNET, 1, 0)
++#define VCMD_net_create VC_CMD(VNET, 1, 1)
++
++struct vcmd_net_create {
++ uint64_t flagword;
++};
++
++#define VCMD_net_migrate VC_CMD(NETMIG, 1, 0)
++
++#define VCMD_net_add VC_CMD(NETALT, 1, 0)
++#define VCMD_net_remove VC_CMD(NETALT, 2, 0)
++
++struct vcmd_net_addr_v0 {
++ uint16_t type;
++ uint16_t count;
++ struct in_addr ip[4];
++ struct in_addr mask[4];
++};
++
++#define VCMD_net_add_ipv4_v1 VC_CMD(NETALT, 1, 1)
++#define VCMD_net_rem_ipv4_v1 VC_CMD(NETALT, 2, 1)
++
++struct vcmd_net_addr_ipv4_v1 {
++ uint16_t type;
++ uint16_t flags;
++ struct in_addr ip;
++ struct in_addr mask;
++};
++
++#define VCMD_net_add_ipv4 VC_CMD(NETALT, 1, 2)
++#define VCMD_net_rem_ipv4 VC_CMD(NETALT, 2, 2)
++
++struct vcmd_net_addr_ipv4_v2 {
++ uint16_t type;
++ uint16_t flags;
++ struct in_addr ip;
++ struct in_addr ip2;
++ struct in_addr mask;
++};
++
++#define VCMD_net_add_ipv6 VC_CMD(NETALT, 3, 1)
++#define VCMD_net_remove_ipv6 VC_CMD(NETALT, 4, 1)
++
++struct vcmd_net_addr_ipv6_v1 {
++ uint16_t type;
++ uint16_t flags;
++ uint32_t prefix;
++ struct in6_addr ip;
++ struct in6_addr mask;
++};
++
++#define VCMD_add_match_ipv4 VC_CMD(NETALT, 5, 0)
++#define VCMD_get_match_ipv4 VC_CMD(NETALT, 6, 0)
++
++struct vcmd_match_ipv4_v0 {
++ uint16_t type;
++ uint16_t flags;
++ uint16_t parent;
++ uint16_t prefix;
++ struct in_addr ip;
++ struct in_addr ip2;
++ struct in_addr mask;
++};
++
++#define VCMD_add_match_ipv6 VC_CMD(NETALT, 7, 0)
++#define VCMD_get_match_ipv6 VC_CMD(NETALT, 8, 0)
++
++struct vcmd_match_ipv6_v0 {
++ uint16_t type;
++ uint16_t flags;
++ uint16_t parent;
++ uint16_t prefix;
++ struct in6_addr ip;
++ struct in6_addr ip2;
++ struct in6_addr mask;
++};
++
++
++
++
++/* flag commands */
++
++#define VCMD_get_nflags VC_CMD(FLAGS, 5, 0)
++#define VCMD_set_nflags VC_CMD(FLAGS, 6, 0)
++
++struct vcmd_net_flags_v0 {
++ uint64_t flagword;
++ uint64_t mask;
++};
++
++
++
++/* network caps commands */
++
++#define VCMD_get_ncaps VC_CMD(FLAGS, 7, 0)
++#define VCMD_set_ncaps VC_CMD(FLAGS, 8, 0)
++
++struct vcmd_net_caps_v0 {
++ uint64_t ncaps;
++ uint64_t cmask;
++};
++
++#endif /* _UAPI_VS_NETWORK_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/sched_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/sched_cmd.h
+--- linux-3.7.10/include/uapi/vserver/sched_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/sched_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,13 @@
++#ifndef _UAPI_VS_SCHED_CMD_H
++#define _UAPI_VS_SCHED_CMD_H
++
++
++struct vcmd_prio_bias {
++ int32_t cpu_id;
++ int32_t prio_bias;
++};
++
++#define VCMD_set_prio_bias VC_CMD(SCHED, 4, 0)
++#define VCMD_get_prio_bias VC_CMD(SCHED, 5, 0)
++
++#endif /* _UAPI_VS_SCHED_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/signal_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/signal_cmd.h
+--- linux-3.7.10/include/uapi/vserver/signal_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/signal_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,31 @@
++#ifndef _UAPI_VS_SIGNAL_CMD_H
++#define _UAPI_VS_SIGNAL_CMD_H
++
++
++/* signalling vserver commands */
++
++#define VCMD_ctx_kill VC_CMD(PROCTRL, 1, 0)
++#define VCMD_wait_exit VC_CMD(EVENT, 99, 0)
++
++struct vcmd_ctx_kill_v0 {
++ int32_t pid;
++ int32_t sig;
++};
++
++struct vcmd_wait_exit_v0 {
++ int32_t reboot_cmd;
++ int32_t exit_code;
++};
++
++
++/* process alteration commands */
++
++#define VCMD_get_pflags VC_CMD(PROCALT, 5, 0)
++#define VCMD_set_pflags VC_CMD(PROCALT, 6, 0)
++
++struct vcmd_pflags_v0 {
++ uint32_t flagword;
++ uint32_t mask;
++};
++
++#endif /* _UAPI_VS_SIGNAL_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/space_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/space_cmd.h
+--- linux-3.7.10/include/uapi/vserver/space_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/space_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,28 @@
++#ifndef _UAPI_VS_SPACE_CMD_H
++#define _UAPI_VS_SPACE_CMD_H
++
++
++#define VCMD_enter_space_v0 VC_CMD(PROCALT, 1, 0)
++#define VCMD_enter_space_v1 VC_CMD(PROCALT, 1, 1)
++#define VCMD_enter_space VC_CMD(PROCALT, 1, 2)
++
++#define VCMD_set_space_v0 VC_CMD(PROCALT, 3, 0)
++#define VCMD_set_space_v1 VC_CMD(PROCALT, 3, 1)
++#define VCMD_set_space VC_CMD(PROCALT, 3, 2)
++
++#define VCMD_get_space_mask_v0 VC_CMD(PROCALT, 4, 0)
++
++#define VCMD_get_space_mask VC_CMD(VSPACE, 0, 1)
++#define VCMD_get_space_default VC_CMD(VSPACE, 1, 0)
++
++
++struct vcmd_space_mask_v1 {
++ uint64_t mask;
++};
++
++struct vcmd_space_mask_v2 {
++ uint64_t mask;
++ uint32_t index;
++};
++
++#endif /* _UAPI_VS_SPACE_CMD_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/switch.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/switch.h
+--- linux-3.7.10/include/uapi/vserver/switch.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/switch.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,90 @@
++#ifndef _UAPI_VS_SWITCH_H
++#define _UAPI_VS_SWITCH_H
++
++#include <linux/types.h>
++
++
++#define VC_CATEGORY(c) (((c) >> 24) & 0x3F)
++#define VC_COMMAND(c) (((c) >> 16) & 0xFF)
++#define VC_VERSION(c) ((c) & 0xFFF)
++
++#define VC_CMD(c, i, v) ((((VC_CAT_ ## c) & 0x3F) << 24) \
++ | (((i) & 0xFF) << 16) | ((v) & 0xFFF))
++
++/*
++
++ Syscall Matrix V2.8
++
++ |VERSION|CREATE |MODIFY |MIGRATE|CONTROL|EXPERIM| |SPECIAL|SPECIAL|
++ |STATS |DESTROY|ALTER |CHANGE |LIMIT |TEST | | | |
++ |INFO |SETUP | |MOVE | | | | | |
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ SYSTEM |VERSION|VSETUP |VHOST | | | | |DEVICE | |
++ HOST | 00| 01| 02| 03| 04| 05| | 06| 07|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ CPU | |VPROC |PROCALT|PROCMIG|PROCTRL| | |SCHED. | |
++ PROCESS| 08| 09| 10| 11| 12| 13| | 14| 15|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ MEMORY | | | | |MEMCTRL| | |SWAP | |
++ | 16| 17| 18| 19| 20| 21| | 22| 23|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ NETWORK| |VNET |NETALT |NETMIG |NETCTL | | |SERIAL | |
++ | 24| 25| 26| 27| 28| 29| | 30| 31|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ DISK | | | |TAGMIG |DLIMIT | | |INODE | |
++ VFS | 32| 33| 34| 35| 36| 37| | 38| 39|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ OTHER |VSTAT | | | | | | |VINFO | |
++ | 40| 41| 42| 43| 44| 45| | 46| 47|
++ =======+=======+=======+=======+=======+=======+=======+ +=======+=======+
++ SPECIAL|EVENT | | | |FLAGS | | |VSPACE | |
++ | 48| 49| 50| 51| 52| 53| | 54| 55|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++ SPECIAL|DEBUG | | | |RLIMIT |SYSCALL| | |COMPAT |
++ | 56| 57| 58| 59| 60|TEST 61| | 62| 63|
++ -------+-------+-------+-------+-------+-------+-------+ +-------+-------+
++
++*/
++
++#define VC_CAT_VERSION 0
++
++#define VC_CAT_VSETUP 1
++#define VC_CAT_VHOST 2
++
++#define VC_CAT_DEVICE 6
++
++#define VC_CAT_VPROC 9
++#define VC_CAT_PROCALT 10
++#define VC_CAT_PROCMIG 11
++#define VC_CAT_PROCTRL 12
++
++#define VC_CAT_SCHED 14
++#define VC_CAT_MEMCTRL 20
++
++#define VC_CAT_VNET 25
++#define VC_CAT_NETALT 26
++#define VC_CAT_NETMIG 27
++#define VC_CAT_NETCTRL 28
++
++#define VC_CAT_TAGMIG 35
++#define VC_CAT_DLIMIT 36
++#define VC_CAT_INODE 38
++
++#define VC_CAT_VSTAT 40
++#define VC_CAT_VINFO 46
++#define VC_CAT_EVENT 48
++
++#define VC_CAT_FLAGS 52
++#define VC_CAT_VSPACE 54
++#define VC_CAT_DEBUG 56
++#define VC_CAT_RLIMIT 60
++
++#define VC_CAT_SYSTEST 61
++#define VC_CAT_COMPAT 63
++
++/* query version */
++
++#define VCMD_get_version VC_CMD(VERSION, 0, 0)
++#define VCMD_get_vci VC_CMD(VERSION, 1, 0)
++
++#endif /* _UAPI_VS_SWITCH_H */
+diff -NurpP --minimal linux-3.7.10/include/uapi/vserver/tag_cmd.h linux-3.7.10-vs2.3.5.6/include/uapi/vserver/tag_cmd.h
+--- linux-3.7.10/include/uapi/vserver/tag_cmd.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/include/uapi/vserver/tag_cmd.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,14 @@
++#ifndef _UAPI_VS_TAG_CMD_H
++#define _UAPI_VS_TAG_CMD_H
++
++
++/* vinfo commands */
++
++#define VCMD_task_tag VC_CMD(VINFO, 3, 0)
++
++
++/* context commands */
++
++#define VCMD_tag_migrate VC_CMD(TAGMIG, 1, 0)
++
++#endif /* _UAPI_VS_TAG_CMD_H */
+diff -NurpP --minimal linux-3.7.10/init/Kconfig linux-3.7.10-vs2.3.5.6/init/Kconfig
+--- linux-3.7.10/init/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/init/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -699,6 +699,7 @@ config HAVE_UNSTABLE_SCHED_CLOCK
+ menuconfig CGROUPS
+ boolean "Control Group support"
+ depends on EVENTFD
++ default y
+ help
+ This option adds support for grouping sets of processes together, for
+ use with process control subsystems such as Cpusets, CFS, memory
+@@ -964,6 +965,7 @@ config USER_NS
+ bool "User namespace (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ depends on UIDGID_CONVERTED
++ depends on VSERVER_DISABLED
+ select UIDGID_STRICT_TYPE_CHECKS
+
+ default n
+diff -NurpP --minimal linux-3.7.10/init/main.c linux-3.7.10-vs2.3.5.6/init/main.c
+--- linux-3.7.10/init/main.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/init/main.c 2013-02-05 01:14:43.000000000 +0000
+@@ -70,6 +70,7 @@
+ #include <linux/perf_event.h>
+ #include <linux/file.h>
+ #include <linux/ptrace.h>
++#include <linux/vserver/percpu.h>
+
+ #include <asm/io.h>
+ #include <asm/bugs.h>
+diff -NurpP --minimal linux-3.7.10/ipc/mqueue.c linux-3.7.10-vs2.3.5.6/ipc/mqueue.c
+--- linux-3.7.10/ipc/mqueue.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/ipc/mqueue.c 2012-12-18 15:13:16.000000000 +0000
+@@ -35,6 +35,8 @@
+ #include <linux/ipc_namespace.h>
+ #include <linux/user_namespace.h>
+ #include <linux/slab.h>
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
+
+ #include <net/sock.h>
+ #include "util.h"
+@@ -76,6 +78,7 @@ struct mqueue_inode_info {
+ struct pid* notify_owner;
+ struct user_namespace *notify_user_ns;
+ struct user_struct *user; /* user who created, for accounting */
++ struct vx_info *vxi;
+ struct sock *notify_sock;
+ struct sk_buff *notify_cookie;
+
+@@ -234,6 +237,7 @@ static struct inode *mqueue_get_inode(st
+ if (S_ISREG(mode)) {
+ struct mqueue_inode_info *info;
+ unsigned long mq_bytes, mq_treesize;
++ struct vx_info *vxi = current_vx_info();
+
+ inode->i_fop = &mqueue_file_operations;
+ inode->i_size = FILENT_SIZE;
+@@ -247,6 +251,7 @@ static struct inode *mqueue_get_inode(st
+ info->notify_user_ns = NULL;
+ info->qsize = 0;
+ info->user = NULL; /* set when all is ok */
++ info->vxi = NULL;
+ info->msg_tree = RB_ROOT;
+ info->node_cache = NULL;
+ memset(&info->attr, 0, sizeof(info->attr));
+@@ -280,17 +285,20 @@ static struct inode *mqueue_get_inode(st
+
+ spin_lock(&mq_lock);
+ if (u->mq_bytes + mq_bytes < u->mq_bytes ||
+- u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE)) {
++ u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE) ||
++ !vx_ipcmsg_avail(vxi, mq_bytes)) {
+ spin_unlock(&mq_lock);
+ /* mqueue_evict_inode() releases info->messages */
+ ret = -EMFILE;
+ goto out_inode;
+ }
+ u->mq_bytes += mq_bytes;
++ vx_ipcmsg_add(vxi, u, mq_bytes);
+ spin_unlock(&mq_lock);
+
+ /* all is ok */
+ info->user = get_uid(u);
++ info->vxi = get_vx_info(vxi);
+ } else if (S_ISDIR(mode)) {
+ inc_nlink(inode);
+ /* Some things misbehave if size == 0 on a directory */
+@@ -394,8 +402,11 @@ static void mqueue_evict_inode(struct in
+
+ user = info->user;
+ if (user) {
++ struct vx_info *vxi = info->vxi;
++
+ spin_lock(&mq_lock);
+ user->mq_bytes -= mq_bytes;
++ vx_ipcmsg_sub(vxi, user, mq_bytes);
+ /*
+ * get_ns_from_inode() ensures that the
+ * (ipc_ns = sb->s_fs_info) is either a valid ipc_ns
+@@ -405,6 +416,7 @@ static void mqueue_evict_inode(struct in
+ if (ipc_ns)
+ ipc_ns->mq_queues_count--;
+ spin_unlock(&mq_lock);
++ put_vx_info(vxi);
+ free_uid(user);
+ }
+ if (ipc_ns)
+diff -NurpP --minimal linux-3.7.10/ipc/msg.c linux-3.7.10-vs2.3.5.6/ipc/msg.c
+--- linux-3.7.10/ipc/msg.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/ipc/msg.c 2012-12-18 15:13:16.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/rwsem.h>
+ #include <linux/nsproxy.h>
+ #include <linux/ipc_namespace.h>
++#include <linux/vs_base.h>
+
+ #include <asm/current.h>
+ #include <asm/uaccess.h>
+@@ -190,6 +191,7 @@ static int newque(struct ipc_namespace *
+
+ msq->q_perm.mode = msgflg & S_IRWXUGO;
+ msq->q_perm.key = key;
++ msq->q_perm.xid = vx_current_xid();
+
+ msq->q_perm.security = NULL;
+ retval = security_msg_queue_alloc(msq);
+diff -NurpP --minimal linux-3.7.10/ipc/namespace.c linux-3.7.10-vs2.3.5.6/ipc/namespace.c
+--- linux-3.7.10/ipc/namespace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/ipc/namespace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -13,11 +13,12 @@
+ #include <linux/mount.h>
+ #include <linux/user_namespace.h>
+ #include <linux/proc_fs.h>
++#include <linux/vs_base.h>
++#include <linux/vserver/global.h>
+
+ #include "util.h"
+
+-static struct ipc_namespace *create_ipc_ns(struct task_struct *tsk,
+- struct ipc_namespace *old_ns)
++static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns)
+ {
+ struct ipc_namespace *ns;
+ int err;
+@@ -46,19 +47,19 @@ static struct ipc_namespace *create_ipc_
+ ipcns_notify(IPCNS_CREATED);
+ register_ipcns_notifier(ns);
+
+- ns->user_ns = get_user_ns(task_cred_xxx(tsk, user_ns));
++ // ns->user_ns = get_user_ns(task_cred_xxx(tsk, user_ns));
++ ns->user_ns = get_user_ns(user_ns);
+
+ return ns;
+ }
+
+ struct ipc_namespace *copy_ipcs(unsigned long flags,
+- struct task_struct *tsk)
++ struct ipc_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+- struct ipc_namespace *ns = tsk->nsproxy->ipc_ns;
+-
+ if (!(flags & CLONE_NEWIPC))
+- return get_ipc_ns(ns);
+- return create_ipc_ns(tsk, ns);
++ return get_ipc_ns(old_ns);
++ return create_ipc_ns(user_ns);
+ }
+
+ /*
+diff -NurpP --minimal linux-3.7.10/ipc/sem.c linux-3.7.10-vs2.3.5.6/ipc/sem.c
+--- linux-3.7.10/ipc/sem.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/ipc/sem.c 2012-12-18 15:13:16.000000000 +0000
+@@ -86,6 +86,8 @@
+ #include <linux/rwsem.h>
+ #include <linux/nsproxy.h>
+ #include <linux/ipc_namespace.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/uaccess.h>
+ #include "util.h"
+@@ -306,6 +308,7 @@ static int newary(struct ipc_namespace *
+
+ sma->sem_perm.mode = (semflg & S_IRWXUGO);
+ sma->sem_perm.key = key;
++ sma->sem_perm.xid = vx_current_xid();
+
+ sma->sem_perm.security = NULL;
+ retval = security_sem_alloc(sma);
+@@ -321,6 +324,9 @@ static int newary(struct ipc_namespace *
+ return id;
+ }
+ ns->used_sems += nsems;
++ /* FIXME: obsoleted? */
++ vx_semary_inc(sma);
++ vx_nsems_add(sma, nsems);
+
+ sma->sem_base = (struct sem *) &sma[1];
+
+@@ -770,6 +776,9 @@ static void freeary(struct ipc_namespace
+
+ wake_up_sem_queue_do(&tasks);
+ ns->used_sems -= sma->sem_nsems;
++ /* FIXME: obsoleted? */
++ vx_nsems_sub(sma, sma->sem_nsems);
++ vx_semary_dec(sma);
+ security_sem_free(sma);
+ ipc_rcu_putref(sma);
+ }
+diff -NurpP --minimal linux-3.7.10/ipc/shm.c linux-3.7.10-vs2.3.5.6/ipc/shm.c
+--- linux-3.7.10/ipc/shm.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/ipc/shm.c 2012-12-18 15:13:16.000000000 +0000
+@@ -39,6 +39,8 @@
+ #include <linux/nsproxy.h>
+ #include <linux/mount.h>
+ #include <linux/ipc_namespace.h>
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/uaccess.h>
+
+@@ -187,7 +189,12 @@ static void shm_open(struct vm_area_stru
+ */
+ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp)
+ {
+- ns->shm_tot -= (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
++ struct vx_info *vxi = lookup_vx_info(shp->shm_perm.xid);
++ int numpages = (shp->shm_segsz + PAGE_SIZE - 1) >> PAGE_SHIFT;
++
++ vx_ipcshm_sub(vxi, shp, numpages);
++ ns->shm_tot -= numpages;
++
+ shm_rmid(ns, shp);
+ shm_unlock(shp);
+ if (!is_file_hugepages(shp->shm_file))
+@@ -197,6 +204,7 @@ static void shm_destroy(struct ipc_names
+ shp->mlock_user);
+ fput (shp->shm_file);
+ security_shm_free(shp);
++ put_vx_info(vxi);
+ ipc_rcu_putref(shp);
+ }
+
+@@ -474,11 +482,15 @@ static int newseg(struct ipc_namespace *
+ if (ns->shm_tot + numpages > ns->shm_ctlall)
+ return -ENOSPC;
+
++ if (!vx_ipcshm_avail(current_vx_info(), numpages))
++ return -ENOSPC;
++
+ shp = ipc_rcu_alloc(sizeof(*shp));
+ if (!shp)
+ return -ENOMEM;
+
+ shp->shm_perm.key = key;
++ shp->shm_perm.xid = vx_current_xid();
+ shp->shm_perm.mode = (shmflg & S_IRWXUGO);
+ shp->mlock_user = NULL;
+
+@@ -533,6 +545,7 @@ static int newseg(struct ipc_namespace *
+ ns->shm_tot += numpages;
+ error = shp->shm_perm.id;
+ shm_unlock(shp);
++ vx_ipcshm_add(current_vx_info(), key, numpages);
+ return error;
+
+ no_id:
+diff -NurpP --minimal linux-3.7.10/kernel/Makefile linux-3.7.10-vs2.3.5.6/kernel/Makefile
+--- linux-3.7.10/kernel/Makefile 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/Makefile 2012-12-18 15:13:16.000000000 +0000
+@@ -24,6 +24,7 @@ endif
+
+ obj-y += sched/
+ obj-y += power/
++obj-y += vserver/
+
+ ifeq ($(CONFIG_CHECKPOINT_RESTORE),y)
+ obj-$(CONFIG_X86) += kcmp.o
+diff -NurpP --minimal linux-3.7.10/kernel/auditsc.c linux-3.7.10-vs2.3.5.6/kernel/auditsc.c
+--- linux-3.7.10/kernel/auditsc.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/auditsc.c 2013-02-05 01:14:43.000000000 +0000
+@@ -2372,7 +2372,7 @@ int audit_set_loginuid(kuid_t loginuid)
+ if (uid_valid(task->loginuid))
+ return -EPERM;
+ #else /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */
+- if (!capable(CAP_AUDIT_CONTROL))
++ if (!vx_capable(CAP_AUDIT_CONTROL, VXC_AUDIT_CONTROL))
+ return -EPERM;
+ #endif /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */
+
+diff -NurpP --minimal linux-3.7.10/kernel/capability.c linux-3.7.10-vs2.3.5.6/kernel/capability.c
+--- linux-3.7.10/kernel/capability.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/capability.c 2012-12-18 15:13:16.000000000 +0000
+@@ -15,6 +15,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/pid_namespace.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_context.h>
+ #include <asm/uaccess.h>
+
+ /*
+@@ -116,6 +117,7 @@ static int cap_validate_magic(cap_user_h
+ return 0;
+ }
+
++
+ /*
+ * The only thing that can change the capabilities of the current
+ * process is the current process. As such, we can't be in this code
+@@ -349,6 +351,8 @@ bool has_ns_capability_noaudit(struct ta
+ return (ret == 0);
+ }
+
++#include <linux/vserver/base.h>
++
+ /**
+ * has_capability_noaudit - Does a task have a capability (unaudited) in the
+ * initial user ns
+diff -NurpP --minimal linux-3.7.10/kernel/compat.c linux-3.7.10-vs2.3.5.6/kernel/compat.c
+--- linux-3.7.10/kernel/compat.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/compat.c 2012-12-18 15:13:16.000000000 +0000
+@@ -27,6 +27,7 @@
+ #include <linux/times.h>
+ #include <linux/ptrace.h>
+ #include <linux/gfp.h>
++#include <linux/vs_time.h>
+
+ #include <asm/uaccess.h>
+
+@@ -1054,7 +1055,7 @@ asmlinkage long compat_sys_stime(compat_
+ if (err)
+ return err;
+
+- do_settimeofday(&tv);
++ vx_settimeofday(&tv);
+ return 0;
+ }
+
+diff -NurpP --minimal linux-3.7.10/kernel/cred.c linux-3.7.10-vs2.3.5.6/kernel/cred.c
+--- linux-3.7.10/kernel/cred.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/cred.c 2012-12-18 15:13:16.000000000 +0000
+@@ -70,31 +70,6 @@ struct cred init_cred = {
+ #endif
+ };
+
+-static inline void set_cred_subscribers(struct cred *cred, int n)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- atomic_set(&cred->subscribers, n);
+-#endif
+-}
+-
+-static inline int read_cred_subscribers(const struct cred *cred)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- return atomic_read(&cred->subscribers);
+-#else
+- return 0;
+-#endif
+-}
+-
+-static inline void alter_cred_subscribers(const struct cred *_cred, int n)
+-{
+-#ifdef CONFIG_DEBUG_CREDENTIALS
+- struct cred *cred = (struct cred *) _cred;
+-
+- atomic_add(n, &cred->subscribers);
+-#endif
+-}
+-
+ /*
+ * Dispose of the shared task group credentials
+ */
+@@ -284,21 +259,16 @@ error:
+ *
+ * Call commit_creds() or abort_creds() to clean up.
+ */
+-struct cred *prepare_creds(void)
++struct cred *__prepare_creds(const struct cred *old)
+ {
+- struct task_struct *task = current;
+- const struct cred *old;
+ struct cred *new;
+
+- validate_process_creds();
+-
+ new = kmem_cache_alloc(cred_jar, GFP_KERNEL);
+ if (!new)
+ return NULL;
+
+ kdebug("prepare_creds() alloc %p", new);
+
+- old = task->cred;
+ memcpy(new, old, sizeof(struct cred));
+
+ atomic_set(&new->usage, 1);
+@@ -326,6 +296,13 @@ error:
+ abort_creds(new);
+ return NULL;
+ }
++
++struct cred *prepare_creds(void)
++{
++ validate_process_creds();
++
++ return __prepare_creds(current->cred);
++}
+ EXPORT_SYMBOL(prepare_creds);
+
+ /*
+diff -NurpP --minimal linux-3.7.10/kernel/exit.c linux-3.7.10-vs2.3.5.6/kernel/exit.c
+--- linux-3.7.10/kernel/exit.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/exit.c 2012-12-18 15:13:16.000000000 +0000
+@@ -48,6 +48,10 @@
+ #include <linux/fs_struct.h>
+ #include <linux/init_task.h>
+ #include <linux/perf_event.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_pid.h>
+ #include <trace/events/sched.h>
+ #include <linux/hw_breakpoint.h>
+ #include <linux/oom.h>
+@@ -616,15 +620,25 @@ static struct task_struct *find_new_reap
+ __acquires(&tasklist_lock)
+ {
+ struct pid_namespace *pid_ns = task_active_pid_ns(father);
+- struct task_struct *thread;
++ struct vx_info *vxi = task_get_vx_info(father);
++ struct task_struct *thread = father;
++ struct task_struct *reaper;
+
+- thread = father;
+ while_each_thread(father, thread) {
+ if (thread->flags & PF_EXITING)
+ continue;
+ if (unlikely(pid_ns->child_reaper == father))
+ pid_ns->child_reaper = thread;
+- return thread;
++ reaper = thread;
++ goto out_put;
++ }
++
++ reaper = pid_ns->child_reaper;
++ if (vxi) {
++ BUG_ON(!vxi->vx_reaper);
++ if (vxi->vx_reaper != init_pid_ns.child_reaper &&
++ vxi->vx_reaper != father)
++ reaper = vxi->vx_reaper;
+ }
+
+ if (unlikely(pid_ns->child_reaper == father)) {
+@@ -662,7 +676,9 @@ static struct task_struct *find_new_reap
+ }
+ }
+
+- return pid_ns->child_reaper;
++out_put:
++ put_vx_info(vxi);
++ return reaper;
+ }
+
+ /*
+@@ -713,10 +729,15 @@ static void forget_original_parent(struc
+ list_for_each_entry_safe(p, n, &father->children, sibling) {
+ struct task_struct *t = p;
+ do {
+- t->real_parent = reaper;
++ struct task_struct *new_parent = reaper;
++
++ if (unlikely(p == reaper))
++ new_parent = task_active_pid_ns(p)->child_reaper;
++
++ t->real_parent = new_parent;
+ if (t->parent == father) {
+ BUG_ON(t->ptrace);
+- t->parent = t->real_parent;
++ t->parent = new_parent;
+ }
+ if (t->pdeath_signal)
+ group_send_sig_info(t->pdeath_signal,
+@@ -923,6 +944,9 @@ void do_exit(long code)
+ */
+ ptrace_put_breakpoints(tsk);
+
++ /* needs to stay before exit_notify() */
++ exit_vx_info_early(tsk, code);
++
+ exit_notify(tsk, group_dead);
+ #ifdef CONFIG_NUMA
+ task_lock(tsk);
+@@ -976,10 +1000,15 @@ void do_exit(long code)
+ smp_mb();
+ raw_spin_unlock_wait(&tsk->pi_lock);
+
++ /* needs to stay after exit_notify() */
++ exit_vx_info(tsk, code);
++ exit_nx_info(tsk);
++
+ /* causes final put_task_struct in finish_task_switch(). */
+ tsk->state = TASK_DEAD;
+ tsk->flags |= PF_NOFREEZE; /* tell freezer to ignore us */
+ schedule();
++ printk("bad task: %p [%lx]\n", current, current->state);
+ BUG();
+ /* Avoid "noreturn function does return". */
+ for (;;)
+diff -NurpP --minimal linux-3.7.10/kernel/fork.c linux-3.7.10-vs2.3.5.6/kernel/fork.c
+--- linux-3.7.10/kernel/fork.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/fork.c 2013-01-16 00:19:28.000000000 +0000
+@@ -70,6 +70,9 @@
+ #include <linux/khugepaged.h>
+ #include <linux/signalfd.h>
+ #include <linux/uprobes.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/pgtable.h>
+ #include <asm/pgalloc.h>
+@@ -210,6 +213,8 @@ void free_task(struct task_struct *tsk)
+ arch_release_thread_info(tsk->stack);
+ free_thread_info(tsk->stack);
+ rt_mutex_debug_task_free(tsk);
++ clr_vx_info(&tsk->vx_info);
++ clr_nx_info(&tsk->nx_info);
+ ftrace_graph_exit_task(tsk);
+ put_seccomp_filter(tsk);
+ arch_release_task_struct(tsk);
+@@ -545,6 +550,7 @@ static struct mm_struct *mm_init(struct
+ if (likely(!mm_alloc_pgd(mm))) {
+ mm->def_flags = 0;
+ mmu_notifier_mm_init(mm);
++ set_vx_info(&mm->mm_vx_info, p->vx_info);
+ return mm;
+ }
+
+@@ -597,6 +603,7 @@ void __mmdrop(struct mm_struct *mm)
+ destroy_context(mm);
+ mmu_notifier_mm_destroy(mm);
+ check_mm(mm);
++ clr_vx_info(&mm->mm_vx_info);
+ free_mm(mm);
+ }
+ EXPORT_SYMBOL_GPL(__mmdrop);
+@@ -816,6 +823,7 @@ struct mm_struct *dup_mm(struct task_str
+ goto fail_nomem;
+
+ memcpy(mm, oldmm, sizeof(*mm));
++ mm->mm_vx_info = NULL;
+ mm_init_cpumask(mm);
+
+ #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+@@ -854,6 +862,7 @@ fail_nocontext:
+ * If init_new_context() failed, we cannot use mmput() to free the mm
+ * because it calls destroy_context()
+ */
++ clr_vx_info(&mm->mm_vx_info);
+ mm_free_pgd(mm);
+ free_mm(mm);
+ return NULL;
+@@ -1135,6 +1144,8 @@ static struct task_struct *copy_process(
+ {
+ int retval;
+ struct task_struct *p;
++ struct vx_info *vxi;
++ struct nx_info *nxi;
+
+ if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
+ return ERR_PTR(-EINVAL);
+@@ -1182,7 +1193,12 @@ static struct task_struct *copy_process(
+ DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled);
+ DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
+ #endif
++ init_vx_info(&p->vx_info, current_vx_info());
++ init_nx_info(&p->nx_info, current_nx_info());
++
+ retval = -EAGAIN;
++ if (!vx_nproc_avail(1))
++ goto bad_fork_free;
+ if (atomic_read(&p->real_cred->user->processes) >=
+ task_rlimit(p, RLIMIT_NPROC)) {
+ if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
+@@ -1451,6 +1467,18 @@ static struct task_struct *copy_process(
+
+ total_forks++;
+ spin_unlock(&current->sighand->siglock);
++
++ /* p is copy of current */
++ vxi = p->vx_info;
++ if (vxi) {
++ claim_vx_info(vxi, p);
++ atomic_inc(&vxi->cvirt.nr_threads);
++ atomic_inc(&vxi->cvirt.total_forks);
++ vx_nproc_inc(p);
++ }
++ nxi = p->nx_info;
++ if (nxi)
++ claim_nx_info(nxi, p);
+ write_unlock_irq(&tasklist_lock);
+ proc_fork_connector(p);
+ cgroup_post_fork(p);
+diff -NurpP --minimal linux-3.7.10/kernel/kthread.c linux-3.7.10-vs2.3.5.6/kernel/kthread.c
+--- linux-3.7.10/kernel/kthread.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/kthread.c 2012-12-18 15:13:16.000000000 +0000
+@@ -17,6 +17,7 @@
+ #include <linux/slab.h>
+ #include <linux/freezer.h>
+ #include <linux/ptrace.h>
++#include <linux/vs_pid.h>
+ #include <trace/events/sched.h>
+
+ static DEFINE_SPINLOCK(kthread_create_lock);
+diff -NurpP --minimal linux-3.7.10/kernel/nsproxy.c linux-3.7.10-vs2.3.5.6/kernel/nsproxy.c
+--- linux-3.7.10/kernel/nsproxy.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/nsproxy.c 2012-12-18 15:13:16.000000000 +0000
+@@ -20,11 +20,14 @@
+ #include <linux/mnt_namespace.h>
+ #include <linux/utsname.h>
+ #include <linux/pid_namespace.h>
++#include <linux/vserver/global.h>
++#include <linux/vserver/debug.h>
+ #include <net/net_namespace.h>
+ #include <linux/ipc_namespace.h>
+ #include <linux/proc_fs.h>
+ #include <linux/file.h>
+ #include <linux/syscalls.h>
++#include "../fs/mount.h"
+
+ static struct kmem_cache *nsproxy_cachep;
+
+@@ -46,8 +49,11 @@ static inline struct nsproxy *create_nsp
+ struct nsproxy *nsproxy;
+
+ nsproxy = kmem_cache_alloc(nsproxy_cachep, GFP_KERNEL);
+- if (nsproxy)
++ if (nsproxy) {
+ atomic_set(&nsproxy->count, 1);
++ atomic_inc(&vs_global_nsproxy);
++ }
++ vxdprintk(VXD_CBIT(space, 2), "create_nsproxy = %p[1]", nsproxy);
+ return nsproxy;
+ }
+
+@@ -56,8 +62,11 @@ static inline struct nsproxy *create_nsp
+ * Return the newly created nsproxy. Do not attach this to the task,
+ * leave it to the caller to do proper locking and attach it to task.
+ */
+-static struct nsproxy *create_new_namespaces(unsigned long flags,
+- struct task_struct *tsk, struct fs_struct *new_fs)
++static struct nsproxy *unshare_namespaces(unsigned long flags,
++ struct nsproxy *orig,
++ struct fs_struct *new_fs,
++ struct user_namespace *new_user,
++ struct pid_namespace *new_pid)
+ {
+ struct nsproxy *new_nsp;
+ int err;
+@@ -66,31 +75,31 @@ static struct nsproxy *create_new_namesp
+ if (!new_nsp)
+ return ERR_PTR(-ENOMEM);
+
+- new_nsp->mnt_ns = copy_mnt_ns(flags, tsk->nsproxy->mnt_ns, new_fs);
++ new_nsp->mnt_ns = copy_mnt_ns(flags, orig->mnt_ns, new_fs);
+ if (IS_ERR(new_nsp->mnt_ns)) {
+ err = PTR_ERR(new_nsp->mnt_ns);
+ goto out_ns;
+ }
+
+- new_nsp->uts_ns = copy_utsname(flags, tsk);
++ new_nsp->uts_ns = copy_utsname(flags, orig->uts_ns, new_user);
+ if (IS_ERR(new_nsp->uts_ns)) {
+ err = PTR_ERR(new_nsp->uts_ns);
+ goto out_uts;
+ }
+
+- new_nsp->ipc_ns = copy_ipcs(flags, tsk);
++ new_nsp->ipc_ns = copy_ipcs(flags, orig->ipc_ns, new_user);
+ if (IS_ERR(new_nsp->ipc_ns)) {
+ err = PTR_ERR(new_nsp->ipc_ns);
+ goto out_ipc;
+ }
+
+- new_nsp->pid_ns = copy_pid_ns(flags, task_active_pid_ns(tsk));
++ new_nsp->pid_ns = copy_pid_ns(flags, new_pid);
+ if (IS_ERR(new_nsp->pid_ns)) {
+ err = PTR_ERR(new_nsp->pid_ns);
+ goto out_pid;
+ }
+
+- new_nsp->net_ns = copy_net_ns(flags, tsk->nsproxy->net_ns);
++ new_nsp->net_ns = copy_net_ns(flags, orig->net_ns);
+ if (IS_ERR(new_nsp->net_ns)) {
+ err = PTR_ERR(new_nsp->net_ns);
+ goto out_net;
+@@ -115,6 +124,40 @@ out_ns:
+ return ERR_PTR(err);
+ }
+
++static struct nsproxy *create_new_namespaces(unsigned long flags,
++ struct task_struct *tsk, struct fs_struct *new_fs)
++{
++ return unshare_namespaces(flags, tsk->nsproxy,
++ new_fs, task_cred_xxx(tsk, user_ns),
++ task_active_pid_ns(tsk));
++}
++
++/*
++ * copies the nsproxy, setting refcount to 1, and grabbing a
++ * reference to all contained namespaces.
++ */
++struct nsproxy *copy_nsproxy(struct nsproxy *orig)
++{
++ struct nsproxy *ns = create_nsproxy();
++
++ if (ns) {
++ memcpy(ns, orig, sizeof(struct nsproxy));
++ atomic_set(&ns->count, 1);
++
++ if (ns->mnt_ns)
++ get_mnt_ns(ns->mnt_ns);
++ if (ns->uts_ns)
++ get_uts_ns(ns->uts_ns);
++ if (ns->ipc_ns)
++ get_ipc_ns(ns->ipc_ns);
++ if (ns->pid_ns)
++ get_pid_ns(ns->pid_ns);
++ if (ns->net_ns)
++ get_net(ns->net_ns);
++ }
++ return ns;
++}
++
+ /*
+ * called from clone. This now handles copy for nsproxy and all
+ * namespaces therein.
+@@ -122,9 +165,12 @@ out_ns:
+ int copy_namespaces(unsigned long flags, struct task_struct *tsk)
+ {
+ struct nsproxy *old_ns = tsk->nsproxy;
+- struct nsproxy *new_ns;
++ struct nsproxy *new_ns = NULL;
+ int err = 0;
+
++ vxdprintk(VXD_CBIT(space, 7), "copy_namespaces(0x%08lx,%p[%p])",
++ flags, tsk, old_ns);
++
+ if (!old_ns)
+ return 0;
+
+@@ -134,7 +180,7 @@ int copy_namespaces(unsigned long flags,
+ CLONE_NEWPID | CLONE_NEWNET)))
+ return 0;
+
+- if (!capable(CAP_SYS_ADMIN)) {
++ if (!vx_can_unshare(CAP_SYS_ADMIN, flags)) {
+ err = -EPERM;
+ goto out;
+ }
+@@ -161,6 +207,9 @@ int copy_namespaces(unsigned long flags,
+
+ out:
+ put_nsproxy(old_ns);
++ vxdprintk(VXD_CBIT(space, 3),
++ "copy_namespaces(0x%08lx,%p[%p]) = %d [%p]",
++ flags, tsk, old_ns, err, new_ns);
+ return err;
+ }
+
+@@ -174,7 +223,9 @@ void free_nsproxy(struct nsproxy *ns)
+ put_ipc_ns(ns->ipc_ns);
+ if (ns->pid_ns)
+ put_pid_ns(ns->pid_ns);
+- put_net(ns->net_ns);
++ if (ns->net_ns)
++ put_net(ns->net_ns);
++ atomic_dec(&vs_global_nsproxy);
+ kmem_cache_free(nsproxy_cachep, ns);
+ }
+
+@@ -187,11 +238,15 @@ int unshare_nsproxy_namespaces(unsigned
+ {
+ int err = 0;
+
++ vxdprintk(VXD_CBIT(space, 4),
++ "unshare_nsproxy_namespaces(0x%08lx,[%p])",
++ unshare_flags, current->nsproxy);
++
+ if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
+ CLONE_NEWNET)))
+ return 0;
+
+- if (!capable(CAP_SYS_ADMIN))
++ if (!vx_can_unshare(CAP_SYS_ADMIN, unshare_flags))
+ return -EPERM;
+
+ *new_nsp = create_new_namespaces(unshare_flags, current,
+diff -NurpP --minimal linux-3.7.10/kernel/pid.c linux-3.7.10-vs2.3.5.6/kernel/pid.c
+--- linux-3.7.10/kernel/pid.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/pid.c 2012-12-18 15:13:16.000000000 +0000
+@@ -36,6 +36,7 @@
+ #include <linux/pid_namespace.h>
+ #include <linux/init_task.h>
+ #include <linux/syscalls.h>
++#include <linux/vs_pid.h>
+
+ #define pid_hashfn(nr, ns) \
+ hash_long((unsigned long)nr + (unsigned long)ns, pidhash_shift)
+@@ -344,7 +345,7 @@ EXPORT_SYMBOL_GPL(find_pid_ns);
+
+ struct pid *find_vpid(int nr)
+ {
+- return find_pid_ns(nr, current->nsproxy->pid_ns);
++ return find_pid_ns(vx_rmap_pid(nr), current->nsproxy->pid_ns);
+ }
+ EXPORT_SYMBOL_GPL(find_vpid);
+
+@@ -404,6 +405,9 @@ void transfer_pid(struct task_struct *ol
+ struct task_struct *pid_task(struct pid *pid, enum pid_type type)
+ {
+ struct task_struct *result = NULL;
++
++ if (type == PIDTYPE_REALPID)
++ type = PIDTYPE_PID;
+ if (pid) {
+ struct hlist_node *first;
+ first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]),
+@@ -423,7 +427,7 @@ struct task_struct *find_task_by_pid_ns(
+ rcu_lockdep_assert(rcu_read_lock_held(),
+ "find_task_by_pid_ns() needs rcu_read_lock()"
+ " protection");
+- return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
++ return pid_task(find_pid_ns(vx_rmap_pid(nr), ns), PIDTYPE_PID);
+ }
+
+ struct task_struct *find_task_by_vpid(pid_t vnr)
+@@ -467,7 +471,7 @@ struct pid *find_get_pid(pid_t nr)
+ }
+ EXPORT_SYMBOL_GPL(find_get_pid);
+
+-pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns)
++pid_t pid_unmapped_nr_ns(struct pid *pid, struct pid_namespace *ns)
+ {
+ struct upid *upid;
+ pid_t nr = 0;
+@@ -481,6 +485,11 @@ pid_t pid_nr_ns(struct pid *pid, struct
+ }
+ EXPORT_SYMBOL_GPL(pid_nr_ns);
+
++pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns)
++{
++ return vx_map_pid(pid_unmapped_nr_ns(pid, ns));
++}
++
+ pid_t pid_vnr(struct pid *pid)
+ {
+ return pid_nr_ns(pid, current->nsproxy->pid_ns);
+diff -NurpP --minimal linux-3.7.10/kernel/pid_namespace.c linux-3.7.10-vs2.3.5.6/kernel/pid_namespace.c
+--- linux-3.7.10/kernel/pid_namespace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/pid_namespace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -17,6 +17,7 @@
+ #include <linux/proc_fs.h>
+ #include <linux/reboot.h>
+ #include <linux/export.h>
++#include <linux/vserver/global.h>
+
+ #define BITS_PER_PAGE (PAGE_SIZE*8)
+
+@@ -100,6 +101,7 @@ static struct pid_namespace *create_pid_
+ goto out_free_map;
+
+ kref_init(&ns->kref);
++ atomic_inc(&vs_global_pid_ns);
+ ns->level = level;
+ ns->parent = get_pid_ns(parent_pid_ns);
+
+@@ -131,6 +133,7 @@ static void destroy_pid_namespace(struct
+
+ for (i = 0; i < PIDMAP_ENTRIES; i++)
+ kfree(ns->pidmap[i].page);
++ atomic_dec(&vs_global_pid_ns);
+ kmem_cache_free(pid_ns_cachep, ns);
+ }
+
+diff -NurpP --minimal linux-3.7.10/kernel/posix-timers.c linux-3.7.10-vs2.3.5.6/kernel/posix-timers.c
+--- linux-3.7.10/kernel/posix-timers.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/posix-timers.c 2012-12-18 15:13:16.000000000 +0000
+@@ -47,6 +47,7 @@
+ #include <linux/wait.h>
+ #include <linux/workqueue.h>
+ #include <linux/export.h>
++#include <linux/vs_context.h>
+
+ /*
+ * Management arrays for POSIX timers. Timers are kept in slab memory
+@@ -340,6 +341,7 @@ int posix_timer_event(struct k_itimer *t
+ {
+ struct task_struct *task;
+ int shared, ret = -1;
++
+ /*
+ * FIXME: if ->sigq is queued we can race with
+ * dequeue_signal()->do_schedule_next_timer().
+@@ -356,10 +358,18 @@ int posix_timer_event(struct k_itimer *t
+ rcu_read_lock();
+ task = pid_task(timr->it_pid, PIDTYPE_PID);
+ if (task) {
++ struct vx_info_save vxis;
++ struct vx_info *vxi;
++
++ vxi = get_vx_info(task->vx_info);
++ enter_vx_info(vxi, &vxis);
+ shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);
+ ret = send_sigqueue(timr->sigq, task, shared);
++ leave_vx_info(&vxis);
++ put_vx_info(vxi);
+ }
+ rcu_read_unlock();
++
+ /* If we failed to send the signal the timer stops. */
+ return ret > 0;
+ }
+diff -NurpP --minimal linux-3.7.10/kernel/printk.c linux-3.7.10-vs2.3.5.6/kernel/printk.c
+--- linux-3.7.10/kernel/printk.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/printk.c 2013-01-16 00:19:03.000000000 +0000
+@@ -42,6 +42,7 @@
+ #include <linux/notifier.h>
+ #include <linux/rculist.h>
+ #include <linux/poll.h>
++#include <linux/vs_cvirt.h>
+
+ #include <asm/uaccess.h>
+
+@@ -818,7 +819,7 @@ static int check_syslog_permissions(int
+ return 0;
+
+ if (syslog_action_restricted(type)) {
+- if (capable(CAP_SYSLOG))
++ if (vx_capable(CAP_SYSLOG, VXC_SYSLOG))
+ return 0;
+ /* For historical reasons, accept CAP_SYS_ADMIN too, with a warning */
+ if (capable(CAP_SYS_ADMIN)) {
+@@ -1112,12 +1113,9 @@ int do_syslog(int type, char __user *buf
+ if (error)
+ return error;
+
+- switch (type) {
+- case SYSLOG_ACTION_CLOSE: /* Close log */
+- break;
+- case SYSLOG_ACTION_OPEN: /* Open log */
+- break;
+- case SYSLOG_ACTION_READ: /* Read from log */
++ if ((type == SYSLOG_ACTION_READ) ||
++ (type == SYSLOG_ACTION_READ_ALL) ||
++ (type == SYSLOG_ACTION_READ_CLEAR)) {
+ error = -EINVAL;
+ if (!buf || len < 0)
+ goto out;
+@@ -1128,6 +1126,16 @@ int do_syslog(int type, char __user *buf
+ error = -EFAULT;
+ goto out;
+ }
++ }
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ return vx_do_syslog(type, buf, len);
++
++ switch (type) {
++ case SYSLOG_ACTION_CLOSE: /* Close log */
++ break;
++ case SYSLOG_ACTION_OPEN: /* Open log */
++ break;
++ case SYSLOG_ACTION_READ: /* Read from log */
+ error = wait_event_interruptible(log_wait,
+ syslog_seq != log_next_seq);
+ if (error)
+@@ -1140,16 +1148,6 @@ int do_syslog(int type, char __user *buf
+ /* FALL THRU */
+ /* Read last kernel messages */
+ case SYSLOG_ACTION_READ_ALL:
+- error = -EINVAL;
+- if (!buf || len < 0)
+- goto out;
+- error = 0;
+- if (!len)
+- goto out;
+- if (!access_ok(VERIFY_WRITE, buf, len)) {
+- error = -EFAULT;
+- goto out;
+- }
+ error = syslog_print_all(buf, len, clear);
+ break;
+ /* Clear ring buffer */
+diff -NurpP --minimal linux-3.7.10/kernel/ptrace.c linux-3.7.10-vs2.3.5.6/kernel/ptrace.c
+--- linux-3.7.10/kernel/ptrace.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/ptrace.c 2013-02-05 01:14:43.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/uaccess.h>
+ #include <linux/regset.h>
++#include <linux/vs_context.h>
+ #include <linux/hw_breakpoint.h>
+ #include <linux/cn_proc.h>
+
+@@ -256,6 +257,11 @@ ok:
+ dumpable = get_dumpable(task->mm);
+ if (!dumpable && !ptrace_has_cap(task_user_ns(task), mode))
+ return -EPERM;
++ if (!vx_check(task->xid, VS_ADMIN_P|VS_WATCH_P|VS_IDENT))
++ return -EPERM;
++ if (!vx_check(task->xid, VS_IDENT) &&
++ !task_vx_flags(task, VXF_STATE_ADMIN, 0))
++ return -EACCES;
+
+ return security_ptrace_access_check(task, mode);
+ }
+diff -NurpP --minimal linux-3.7.10/kernel/sched/core.c linux-3.7.10-vs2.3.5.6/kernel/sched/core.c
+--- linux-3.7.10/kernel/sched/core.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sched/core.c 2013-02-05 01:14:43.000000000 +0000
+@@ -72,6 +72,8 @@
+ #include <linux/slab.h>
+ #include <linux/init_task.h>
+ #include <linux/binfmts.h>
++#include <linux/vs_sched.h>
++#include <linux/vs_cvirt.h>
+
+ #include <asm/switch_to.h>
+ #include <asm/tlb.h>
+@@ -2031,9 +2033,17 @@ EXPORT_SYMBOL(avenrun); /* should be rem
+ */
+ void get_avenrun(unsigned long *loads, unsigned long offset, int shift)
+ {
+- loads[0] = (avenrun[0] + offset) << shift;
+- loads[1] = (avenrun[1] + offset) << shift;
+- loads[2] = (avenrun[2] + offset) << shift;
++ if (vx_flags(VXF_VIRT_LOAD, 0)) {
++ struct vx_info *vxi = current_vx_info();
++
++ loads[0] = (vxi->cvirt.load[0] + offset) << shift;
++ loads[1] = (vxi->cvirt.load[1] + offset) << shift;
++ loads[2] = (vxi->cvirt.load[2] + offset) << shift;
++ } else {
++ loads[0] = (avenrun[0] + offset) << shift;
++ loads[1] = (avenrun[1] + offset) << shift;
++ loads[2] = (avenrun[2] + offset) << shift;
++ }
+ }
+
+ static long calc_load_fold_active(struct rq *this_rq)
+@@ -3597,7 +3607,7 @@ SYSCALL_DEFINE1(nice, int, increment)
+ nice = 19;
+
+ if (increment < 0 && !can_nice(current, nice))
+- return -EPERM;
++ return vx_flags(VXF_IGNEG_NICE, 0) ? 0 : -EPERM;
+
+ retval = security_task_setnice(current, nice);
+ if (retval)
+diff -NurpP --minimal linux-3.7.10/kernel/sched/cputime.c linux-3.7.10-vs2.3.5.6/kernel/sched/cputime.c
+--- linux-3.7.10/kernel/sched/cputime.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sched/cputime.c 2012-12-18 15:13:16.000000000 +0000
+@@ -3,6 +3,7 @@
+ #include <linux/tsacct_kern.h>
+ #include <linux/kernel_stat.h>
+ #include <linux/static_key.h>
++#include <linux/vs_sched.h>
+ #include "sched.h"
+
+
+@@ -150,14 +151,17 @@ static inline void task_group_account_fi
+ void account_user_time(struct task_struct *p, cputime_t cputime,
+ cputime_t cputime_scaled)
+ {
++ struct vx_info *vxi = p->vx_info; /* p is _always_ current */
++ int nice = (TASK_NICE(p) > 0);
+ int index;
+
+ /* Add user time to process. */
+ p->utime += cputime;
+ p->utimescaled += cputime_scaled;
++ vx_account_user(vxi, cputime, nice);
+ account_group_user_time(p, cputime);
+
+- index = (TASK_NICE(p) > 0) ? CPUTIME_NICE : CPUTIME_USER;
++ index = (nice) ? CPUTIME_NICE : CPUTIME_USER;
+
+ /* Add user time to cpustat. */
+ task_group_account_field(p, index, (__force u64) cputime);
+@@ -204,9 +208,12 @@ static inline
+ void __account_system_time(struct task_struct *p, cputime_t cputime,
+ cputime_t cputime_scaled, int index)
+ {
++ struct vx_info *vxi = p->vx_info; /* p is _always_ current */
++
+ /* Add system time to process. */
+ p->stime += cputime;
+ p->stimescaled += cputime_scaled;
++ vx_account_system(vxi, cputime, 0 /* do we have idle time? */);
+ account_group_system_time(p, cputime);
+
+ /* Add system time to cpustat. */
+diff -NurpP --minimal linux-3.7.10/kernel/sched/fair.c linux-3.7.10-vs2.3.5.6/kernel/sched/fair.c
+--- linux-3.7.10/kernel/sched/fair.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sched/fair.c 2012-12-18 15:13:16.000000000 +0000
+@@ -26,6 +26,7 @@
+ #include <linux/slab.h>
+ #include <linux/profile.h>
+ #include <linux/interrupt.h>
++#include <linux/vs_cvirt.h>
+
+ #include <trace/events/sched.h>
+
+@@ -1111,6 +1112,8 @@ enqueue_entity(struct cfs_rq *cfs_rq, st
+ __enqueue_entity(cfs_rq, se);
+ se->on_rq = 1;
+
++ if (entity_is_task(se))
++ vx_activate_task(task_of(se));
+ if (cfs_rq->nr_running == 1) {
+ list_add_leaf_cfs_rq(cfs_rq);
+ check_enqueue_throttle(cfs_rq);
+@@ -1191,6 +1194,8 @@ dequeue_entity(struct cfs_rq *cfs_rq, st
+ if (se != cfs_rq->curr)
+ __dequeue_entity(cfs_rq, se);
+ se->on_rq = 0;
++ if (entity_is_task(se))
++ vx_deactivate_task(task_of(se));
+ update_cfs_load(cfs_rq, 0);
+ account_entity_dequeue(cfs_rq, se);
+
+diff -NurpP --minimal linux-3.7.10/kernel/signal.c linux-3.7.10-vs2.3.5.6/kernel/signal.c
+--- linux-3.7.10/kernel/signal.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/signal.c 2013-02-05 01:14:43.000000000 +0000
+@@ -31,6 +31,8 @@
+ #include <linux/nsproxy.h>
+ #include <linux/user_namespace.h>
+ #include <linux/uprobes.h>
++#include <linux/vs_context.h>
++#include <linux/vs_pid.h>
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/signal.h>
+
+@@ -785,9 +787,18 @@ static int check_kill_permission(int sig
+ struct pid *sid;
+ int error;
+
++ vxdprintk(VXD_CBIT(misc, 7),
++ "check_kill_permission(%d,%p,%p[#%u,%u])",
++ sig, info, t, vx_task_xid(t), t->pid);
++
+ if (!valid_signal(sig))
+ return -EINVAL;
+
++/* FIXME: needed? if so, why?
++ if ((info != SEND_SIG_NOINFO) &&
++ (is_si_special(info) || !si_fromuser(info)))
++ goto skip; */
++
+ if (!si_fromuser(info))
+ return 0;
+
+@@ -811,6 +822,20 @@ static int check_kill_permission(int sig
+ }
+ }
+
++ error = -EPERM;
++ if (t->pid == 1 && current->xid)
++ return error;
++
++ error = -ESRCH;
++ /* FIXME: we shouldn't return ESRCH ever, to avoid
++ loops, maybe ENOENT or EACCES? */
++ if (!vx_check(vx_task_xid(t), VS_WATCH_P | VS_IDENT)) {
++ vxdprintk(current->xid || VXD_CBIT(misc, 7),
++ "signal %d[%p] xid mismatch %p[#%u,%u] xid=#%u",
++ sig, info, t, vx_task_xid(t), t->pid, current->xid);
++ return error;
++ }
++/* skip: */
+ return security_task_kill(t, info, sig, 0);
+ }
+
+@@ -1346,7 +1371,7 @@ int kill_pid_info(int sig, struct siginf
+ rcu_read_lock();
+ retry:
+ p = pid_task(pid, PIDTYPE_PID);
+- if (p) {
++ if (p && vx_check(vx_task_xid(p), VS_IDENT)) {
+ error = group_send_sig_info(sig, info, p);
+ if (unlikely(error == -ESRCH))
+ /*
+@@ -1394,7 +1419,7 @@ int kill_pid_info_as_cred(int sig, struc
+
+ rcu_read_lock();
+ p = pid_task(pid, PIDTYPE_PID);
+- if (!p) {
++ if (!p || !vx_check(vx_task_xid(p), VS_IDENT)) {
+ ret = -ESRCH;
+ goto out_unlock;
+ }
+@@ -1446,8 +1471,10 @@ static int kill_something_info(int sig,
+ struct task_struct * p;
+
+ for_each_process(p) {
+- if (task_pid_vnr(p) > 1 &&
+- !same_thread_group(p, current)) {
++ if (vx_check(vx_task_xid(p), VS_ADMIN|VS_IDENT) &&
++ task_pid_vnr(p) > 1 &&
++ !same_thread_group(p, current) &&
++ !vx_current_initpid(p->pid)) {
+ int err = group_send_sig_info(sig, info, p);
+ ++count;
+ if (err != -EPERM)
+@@ -2307,6 +2334,11 @@ relock:
+ !sig_kernel_only(signr))
+ continue;
+
++ /* virtual init is protected against user signals */
++ if ((info->si_code == SI_USER) &&
++ vx_current_initpid(current->pid))
++ continue;
++
+ if (sig_kernel_stop(signr)) {
+ /*
+ * The default action is to stop all threads in
+diff -NurpP --minimal linux-3.7.10/kernel/softirq.c linux-3.7.10-vs2.3.5.6/kernel/softirq.c
+--- linux-3.7.10/kernel/softirq.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/softirq.c 2012-12-18 15:13:16.000000000 +0000
+@@ -25,6 +25,7 @@
+ #include <linux/smp.h>
+ #include <linux/smpboot.h>
+ #include <linux/tick.h>
++#include <linux/vs_context.h>
+
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/irq.h>
+diff -NurpP --minimal linux-3.7.10/kernel/sys.c linux-3.7.10-vs2.3.5.6/kernel/sys.c
+--- linux-3.7.10/kernel/sys.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sys.c 2012-12-18 15:13:16.000000000 +0000
+@@ -47,6 +47,7 @@
+ #include <linux/syscalls.h>
+ #include <linux/kprobes.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_pid.h>
+
+ #include <linux/kmsg_dump.h>
+ /* Move somewhere else to avoid recompiling? */
+@@ -154,7 +155,10 @@ static int set_one_prio(struct task_stru
+ goto out;
+ }
+ if (niceval < task_nice(p) && !can_nice(p, niceval)) {
+- error = -EACCES;
++ if (vx_flags(VXF_IGNEG_NICE, 0))
++ error = 0;
++ else
++ error = -EACCES;
+ goto out;
+ }
+ no_nice = security_task_setnice(p, niceval);
+@@ -205,6 +209,8 @@ SYSCALL_DEFINE3(setpriority, int, which,
+ else
+ pgrp = task_pgrp(current);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ error = set_one_prio(p, niceval, error);
+ } while_each_pid_thread(pgrp, PIDTYPE_PGID, p);
+ break;
+@@ -270,6 +276,8 @@ SYSCALL_DEFINE2(getpriority, int, which,
+ else
+ pgrp = task_pgrp(current);
+ do_each_pid_thread(pgrp, PIDTYPE_PGID, p) {
++ if (!vx_check(p->xid, VS_ADMIN_P | VS_IDENT))
++ continue;
+ niceval = 20 - task_nice(p);
+ if (niceval > retval)
+ retval = niceval;
+@@ -422,6 +430,8 @@ EXPORT_SYMBOL_GPL(kernel_power_off);
+
+ static DEFINE_MUTEX(reboot_mutex);
+
++long vs_reboot(unsigned int, void __user *);
++
+ /*
+ * Reboot system call: for obvious reasons only root may call it,
+ * and even root needs to set up some magic numbers in the registers
+@@ -463,6 +473,9 @@ SYSCALL_DEFINE4(reboot, int, magic1, int
+ if ((cmd == LINUX_REBOOT_CMD_POWER_OFF) && !pm_power_off)
+ cmd = LINUX_REBOOT_CMD_HALT;
+
++ if (!vx_check(0, VS_ADMIN|VS_WATCH))
++ return vs_reboot(cmd, arg);
++
+ mutex_lock(&reboot_mutex);
+ switch (cmd) {
+ case LINUX_REBOOT_CMD_RESTART:
+@@ -1370,7 +1383,8 @@ SYSCALL_DEFINE2(sethostname, char __user
+ int errno;
+ char tmp[__NEW_UTS_LEN];
+
+- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
+ return -EPERM;
+
+ if (len < 0 || len > __NEW_UTS_LEN)
+@@ -1421,7 +1435,8 @@ SYSCALL_DEFINE2(setdomainname, char __us
+ int errno;
+ char tmp[__NEW_UTS_LEN];
+
+- if (!ns_capable(current->nsproxy->uts_ns->user_ns, CAP_SYS_ADMIN))
++ if (!vx_ns_capable(current->nsproxy->uts_ns->user_ns,
++ CAP_SYS_ADMIN, VXC_SET_UTSNAME))
+ return -EPERM;
+ if (len < 0 || len > __NEW_UTS_LEN)
+ return -EINVAL;
+@@ -1540,7 +1555,7 @@ int do_prlimit(struct task_struct *tsk,
+ /* Keep the capable check against init_user_ns until
+ cgroups can contain all limits */
+ if (new_rlim->rlim_max > rlim->rlim_max &&
+- !capable(CAP_SYS_RESOURCE))
++ !vx_capable(CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
+ retval = -EPERM;
+ if (!retval)
+ retval = security_task_setrlimit(tsk->group_leader,
+@@ -1593,7 +1608,8 @@ static int check_prlimit_permission(stru
+ gid_eq(cred->gid, tcred->sgid) &&
+ gid_eq(cred->gid, tcred->gid))
+ return 0;
+- if (ns_capable(tcred->user_ns, CAP_SYS_RESOURCE))
++ if (vx_ns_capable(tcred->user_ns,
++ CAP_SYS_RESOURCE, VXC_SET_RLIMIT))
+ return 0;
+
+ return -EPERM;
+diff -NurpP --minimal linux-3.7.10/kernel/sysctl.c linux-3.7.10-vs2.3.5.6/kernel/sysctl.c
+--- linux-3.7.10/kernel/sysctl.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sysctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -82,6 +82,7 @@
+ #if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT)
+ #include <linux/lockdep.h>
+ #endif
++extern char vshelper_path[];
+ #ifdef CONFIG_CHR_DEV_SG
+ #include <scsi/sg.h>
+ #endif
+@@ -574,6 +575,13 @@ static struct ctl_table kern_table[] = {
+ .proc_handler = proc_dostring,
+ },
+ #endif
++ {
++ .procname = "vshelper",
++ .data = &vshelper_path,
++ .maxlen = 256,
++ .mode = 0644,
++ .proc_handler = &proc_dostring,
++ },
+ #ifdef CONFIG_CHR_DEV_SG
+ {
+ .procname = "sg-big-buff",
+diff -NurpP --minimal linux-3.7.10/kernel/sysctl_binary.c linux-3.7.10-vs2.3.5.6/kernel/sysctl_binary.c
+--- linux-3.7.10/kernel/sysctl_binary.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/sysctl_binary.c 2012-12-18 15:13:16.000000000 +0000
+@@ -73,6 +73,7 @@ static const struct bin_table bin_kern_t
+
+ { CTL_INT, KERN_PANIC, "panic" },
+ { CTL_INT, KERN_REALROOTDEV, "real-root-dev" },
++ { CTL_STR, KERN_VSHELPER, "vshelper" },
+
+ { CTL_STR, KERN_SPARC_REBOOT, "reboot-cmd" },
+ { CTL_INT, KERN_CTLALTDEL, "ctrl-alt-del" },
+diff -NurpP --minimal linux-3.7.10/kernel/time/timekeeping.c linux-3.7.10-vs2.3.5.6/kernel/time/timekeeping.c
+--- linux-3.7.10/kernel/time/timekeeping.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/time/timekeeping.c 2012-12-18 15:13:16.000000000 +0000
+@@ -21,6 +21,7 @@
+ #include <linux/time.h>
+ #include <linux/tick.h>
+ #include <linux/stop_machine.h>
++#include <linux/vs_time.h>
+
+
+ static struct timekeeper timekeeper;
+@@ -243,6 +244,7 @@ void getnstimeofday(struct timespec *ts)
+
+ ts->tv_nsec = 0;
+ timespec_add_ns(ts, nsecs);
++ vx_adjust_timespec(ts);
+ }
+ EXPORT_SYMBOL(getnstimeofday);
+
+diff -NurpP --minimal linux-3.7.10/kernel/time.c linux-3.7.10-vs2.3.5.6/kernel/time.c
+--- linux-3.7.10/kernel/time.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/time.c 2012-12-18 15:13:16.000000000 +0000
+@@ -37,6 +37,7 @@
+ #include <linux/fs.h>
+ #include <linux/math64.h>
+ #include <linux/ptrace.h>
++#include <linux/vs_time.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+@@ -92,7 +93,7 @@ SYSCALL_DEFINE1(stime, time_t __user *,
+ if (err)
+ return err;
+
+- do_settimeofday(&tv);
++ vx_settimeofday(&tv);
+ return 0;
+ }
+
+@@ -172,7 +173,7 @@ int do_sys_settimeofday(const struct tim
+ }
+ }
+ if (tv)
+- return do_settimeofday(tv);
++ return vx_settimeofday(tv);
+ return 0;
+ }
+
+diff -NurpP --minimal linux-3.7.10/kernel/timer.c linux-3.7.10-vs2.3.5.6/kernel/timer.c
+--- linux-3.7.10/kernel/timer.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/timer.c 2012-12-18 15:13:16.000000000 +0000
+@@ -40,6 +40,10 @@
+ #include <linux/irq_work.h>
+ #include <linux/sched.h>
+ #include <linux/slab.h>
++#include <linux/vs_base.h>
++#include <linux/vs_cvirt.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/sched.h>
+
+ #include <asm/uaccess.h>
+ #include <asm/unistd.h>
+diff -NurpP --minimal linux-3.7.10/kernel/user_namespace.c linux-3.7.10-vs2.3.5.6/kernel/user_namespace.c
+--- linux-3.7.10/kernel/user_namespace.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/user_namespace.c 2012-12-18 15:13:16.000000000 +0000
+@@ -20,6 +20,7 @@
+ #include <linux/uaccess.h>
+ #include <linux/ctype.h>
+ #include <linux/projid.h>
++#include <linux/vserver/global.h>
+
+ static struct kmem_cache *user_ns_cachep __read_mostly;
+
+@@ -53,6 +54,7 @@ int create_user_ns(struct cred *new)
+ return -ENOMEM;
+
+ kref_init(&ns->kref);
++ atomic_inc(&vs_global_user_ns);
+ ns->parent = parent_ns;
+ ns->owner = owner;
+ ns->group = group;
+@@ -85,6 +87,9 @@ void free_user_ns(struct kref *kref)
+
+ parent = ns->parent;
+ kmem_cache_free(user_ns_cachep, ns);
++
++ /* FIXME: maybe move into destroyer? */
++ atomic_dec(&vs_global_user_ns);
+ put_user_ns(parent);
+ }
+ EXPORT_SYMBOL(free_user_ns);
+diff -NurpP --minimal linux-3.7.10/kernel/utsname.c linux-3.7.10-vs2.3.5.6/kernel/utsname.c
+--- linux-3.7.10/kernel/utsname.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/utsname.c 2012-12-18 15:13:16.000000000 +0000
+@@ -16,14 +16,17 @@
+ #include <linux/slab.h>
+ #include <linux/user_namespace.h>
+ #include <linux/proc_fs.h>
++#include <linux/vserver/global.h>
+
+ static struct uts_namespace *create_uts_ns(void)
+ {
+ struct uts_namespace *uts_ns;
+
+ uts_ns = kmalloc(sizeof(struct uts_namespace), GFP_KERNEL);
+- if (uts_ns)
++ if (uts_ns) {
+ kref_init(&uts_ns->kref);
++ atomic_inc(&vs_global_uts_ns);
++ }
+ return uts_ns;
+ }
+
+@@ -32,8 +35,8 @@ static struct uts_namespace *create_uts_
+ * @old_ns: namespace to clone
+ * Return NULL on error (failure to kmalloc), new ns otherwise
+ */
+-static struct uts_namespace *clone_uts_ns(struct task_struct *tsk,
+- struct uts_namespace *old_ns)
++static struct uts_namespace *clone_uts_ns(struct uts_namespace *old_ns,
++ struct user_namespace *old_user)
+ {
+ struct uts_namespace *ns;
+
+@@ -43,7 +46,7 @@ static struct uts_namespace *clone_uts_n
+
+ down_read(&uts_sem);
+ memcpy(&ns->name, &old_ns->name, sizeof(ns->name));
+- ns->user_ns = get_user_ns(task_cred_xxx(tsk, user_ns));
++ ns->user_ns = get_user_ns(old_user);
+ up_read(&uts_sem);
+ return ns;
+ }
+@@ -55,9 +58,9 @@ static struct uts_namespace *clone_uts_n
+ * versa.
+ */
+ struct uts_namespace *copy_utsname(unsigned long flags,
+- struct task_struct *tsk)
++ struct uts_namespace *old_ns,
++ struct user_namespace *user_ns)
+ {
+- struct uts_namespace *old_ns = tsk->nsproxy->uts_ns;
+ struct uts_namespace *new_ns;
+
+ BUG_ON(!old_ns);
+@@ -66,7 +69,7 @@ struct uts_namespace *copy_utsname(unsig
+ if (!(flags & CLONE_NEWUTS))
+ return old_ns;
+
+- new_ns = clone_uts_ns(tsk, old_ns);
++ new_ns = clone_uts_ns(old_ns, user_ns);
+
+ put_uts_ns(old_ns);
+ return new_ns;
+@@ -78,6 +81,7 @@ void free_uts_ns(struct kref *kref)
+
+ ns = container_of(kref, struct uts_namespace, kref);
+ put_user_ns(ns->user_ns);
++ atomic_dec(&vs_global_uts_ns);
+ kfree(ns);
+ }
+
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/Kconfig linux-3.7.10-vs2.3.5.6/kernel/vserver/Kconfig
+--- linux-3.7.10/kernel/vserver/Kconfig 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,233 @@
++#
++# Linux VServer configuration
++#
++
++menu "Linux VServer"
++
++config VSERVER_AUTO_LBACK
++ bool "Automatically Assign Loopback IP"
++ default y
++ help
++ Automatically assign a guest specific loopback
++ IP and add it to the kernel network stack on
++ startup.
++
++config VSERVER_AUTO_SINGLE
++ bool "Automatic Single IP Special Casing"
++ depends on EXPERIMENTAL
++ default y
++ help
++ This allows network contexts with a single IP to
++ automatically remap 0.0.0.0 bindings to that IP,
++ avoiding further network checks and improving
++ performance.
++
++ (note: such guests do not allow to change the ip
++ on the fly and do not show loopback addresses)
++
++config VSERVER_COWBL
++ bool "Enable COW Immutable Link Breaking"
++ default y
++ help
++ This enables the COW (Copy-On-Write) link break code.
++ It allows you to treat unified files like normal files
++ when writing to them (which will implicitely break the
++ link and create a copy of the unified file)
++
++config VSERVER_VTIME
++ bool "Enable Virtualized Guest Time"
++ depends on EXPERIMENTAL
++ default n
++ help
++ This enables per guest time offsets to allow for
++ adjusting the system clock individually per guest.
++ this adds some overhead to the time functions and
++ therefore should not be enabled without good reason.
++
++config VSERVER_DEVICE
++ bool "Enable Guest Device Mapping"
++ depends on EXPERIMENTAL
++ default n
++ help
++ This enables generic device remapping.
++
++config VSERVER_PROC_SECURE
++ bool "Enable Proc Security"
++ depends on PROC_FS
++ default y
++ help
++ This configures ProcFS security to initially hide
++ non-process entries for all contexts except the main and
++ spectator context (i.e. for all guests), which is a secure
++ default.
++
++ (note: on 1.2x the entries were visible by default)
++
++choice
++ prompt "Persistent Inode Tagging"
++ default TAGGING_ID24
++ help
++ This adds persistent context information to filesystems
++ mounted with the tagxid option. Tagging is a requirement
++ for per-context disk limits and per-context quota.
++
++
++config TAGGING_NONE
++ bool "Disabled"
++ help
++ do not store per-context information in inodes.
++
++config TAGGING_UID16
++ bool "UID16/GID32"
++ help
++ reduces UID to 16 bit, but leaves GID at 32 bit.
++
++config TAGGING_GID16
++ bool "UID32/GID16"
++ help
++ reduces GID to 16 bit, but leaves UID at 32 bit.
++
++config TAGGING_ID24
++ bool "UID24/GID24"
++ help
++ uses the upper 8bit from UID and GID for XID tagging
++ which leaves 24bit for UID/GID each, which should be
++ more than sufficient for normal use.
++
++config TAGGING_INTERN
++ bool "UID32/GID32"
++ help
++ this uses otherwise reserved inode fields in the on
++ disk representation, which limits the use to a few
++ filesystems (currently ext2 and ext3)
++
++endchoice
++
++config TAG_NFSD
++ bool "Tag NFSD User Auth and Files"
++ default n
++ help
++ Enable this if you do want the in-kernel NFS
++ Server to use the tagging specified above.
++ (will require patched clients too)
++
++config VSERVER_PRIVACY
++ bool "Honor Privacy Aspects of Guests"
++ default n
++ help
++ When enabled, most context checks will disallow
++ access to structures assigned to a specific context,
++ like ptys or loop devices.
++
++config VSERVER_CONTEXTS
++ int "Maximum number of Contexts (1-65533)" if EMBEDDED
++ range 1 65533
++ default "768" if 64BIT
++ default "256"
++ help
++ This setting will optimize certain data structures
++ and memory allocations according to the expected
++ maximum.
++
++ note: this is not a strict upper limit.
++
++config VSERVER_WARN
++ bool "VServer Warnings"
++ default y
++ help
++ This enables various runtime warnings, which will
++ notify about potential manipulation attempts or
++ resource shortage. It is generally considered to
++ be a good idea to have that enabled.
++
++config VSERVER_WARN_DEVPTS
++ bool "VServer DevPTS Warnings"
++ depends on VSERVER_WARN
++ default y
++ help
++ This enables DevPTS related warnings, issued when a
++ process inside a context tries to lookup or access
++ a dynamic pts from the host or a different context.
++
++config VSERVER_DEBUG
++ bool "VServer Debugging Code"
++ default n
++ help
++ Set this to yes if you want to be able to activate
++ debugging output at runtime. It adds a very small
++ overhead to all vserver related functions and
++ increases the kernel size by about 20k.
++
++config VSERVER_HISTORY
++ bool "VServer History Tracing"
++ depends on VSERVER_DEBUG
++ default n
++ help
++ Set this to yes if you want to record the history of
++ linux-vserver activities, so they can be replayed in
++ the event of a kernel panic or oops.
++
++config VSERVER_HISTORY_SIZE
++ int "Per-CPU History Size (32-65536)"
++ depends on VSERVER_HISTORY
++ range 32 65536
++ default 64
++ help
++ This allows you to specify the number of entries in
++ the per-CPU history buffer.
++
++config VSERVER_EXTRA_MNT_CHECK
++ bool "Extra Checks for Reachability"
++ default n
++ help
++ Set this to yes if you want to do extra checks for
++ vfsmount reachability in the proc filesystem code.
++ This shouldn't be required on any setup utilizing
++ mnt namespaces.
++
++choice
++ prompt "Quotes used in debug and warn messages"
++ default QUOTES_ISO8859
++
++config QUOTES_ISO8859
++ bool "Extended ASCII (ISO 8859) angle quotes"
++ help
++ This uses the extended ASCII characters \xbb
++ and \xab for quoting file and process names.
++
++config QUOTES_UTF8
++ bool "UTF-8 angle quotes"
++ help
++ This uses the the UTF-8 sequences for angle
++ quotes to quote file and process names.
++
++config QUOTES_ASCII
++ bool "ASCII single quotes"
++ help
++ This uses the ASCII single quote character
++ (\x27) to quote file and process names.
++
++endchoice
++
++endmenu
++
++
++config VSERVER
++ bool
++ default y
++ select NAMESPACES
++ select UTS_NS
++ select IPC_NS
++# select USER_NS
++ select SYSVIPC
++
++config VSERVER_SECURITY
++ bool
++ depends on SECURITY
++ default y
++ select SECURITY_CAPABILITIES
++
++config VSERVER_DISABLED
++ bool
++ default n
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/Makefile linux-3.7.10-vs2.3.5.6/kernel/vserver/Makefile
+--- linux-3.7.10/kernel/vserver/Makefile 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/Makefile 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,18 @@
++#
++# Makefile for the Linux vserver routines.
++#
++
++
++obj-y += vserver.o
++
++vserver-y := switch.o context.o space.o sched.o network.o inode.o \
++ limit.o cvirt.o cacct.o signal.o helper.o init.o \
++ dlimit.o tag.o
++
++vserver-$(CONFIG_INET) += inet.o
++vserver-$(CONFIG_PROC_FS) += proc.o
++vserver-$(CONFIG_VSERVER_DEBUG) += sysctl.o debug.o
++vserver-$(CONFIG_VSERVER_HISTORY) += history.o
++vserver-$(CONFIG_VSERVER_MONITOR) += monitor.o
++vserver-$(CONFIG_VSERVER_DEVICE) += device.o
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cacct.c linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct.c
+--- linux-3.7.10/kernel/vserver/cacct.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,42 @@
++/*
++ * linux/kernel/vserver/cacct.c
++ *
++ * Virtual Server: Context Accounting
++ *
++ * Copyright (C) 2006-2007 Herbert Pötzl
++ *
++ * V0.01 added accounting stats
++ *
++ */
++
++#include <linux/types.h>
++#include <linux/vs_context.h>
++#include <linux/vserver/cacct_cmd.h>
++#include <linux/vserver/cacct_int.h>
++
++#include <asm/errno.h>
++#include <asm/uaccess.h>
++
++
++int vc_sock_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_sock_stat_v0 vc_data;
++ int j, field;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ field = vc_data.field;
++ if ((field < 0) || (field >= VXA_SOCK_SIZE))
++ return -EINVAL;
++
++ for (j = 0; j < 3; j++) {
++ vc_data.count[j] = vx_sock_count(&vxi->cacct, field, j);
++ vc_data.total[j] = vx_sock_total(&vxi->cacct, field, j);
++ }
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cacct_init.h linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct_init.h
+--- linux-3.7.10/kernel/vserver/cacct_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct_init.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,25 @@
++
++
++static inline void vx_info_init_cacct(struct _vx_cacct *cacct)
++{
++ int i, j;
++
++
++ for (i = 0; i < VXA_SOCK_SIZE; i++) {
++ for (j = 0; j < 3; j++) {
++ atomic_long_set(&cacct->sock[i][j].count, 0);
++ atomic_long_set(&cacct->sock[i][j].total, 0);
++ }
++ }
++ for (i = 0; i < 8; i++)
++ atomic_set(&cacct->slab[i], 0);
++ for (i = 0; i < 5; i++)
++ for (j = 0; j < 4; j++)
++ atomic_set(&cacct->page[i][j], 0);
++}
++
++static inline void vx_info_exit_cacct(struct _vx_cacct *cacct)
++{
++ return;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cacct_proc.h linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct_proc.h
+--- linux-3.7.10/kernel/vserver/cacct_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cacct_proc.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,53 @@
++#ifndef _VX_CACCT_PROC_H
++#define _VX_CACCT_PROC_H
++
++#include <linux/vserver/cacct_int.h>
++
++
++#define VX_SOCKA_TOP \
++ "Type\t recv #/bytes\t\t send #/bytes\t\t fail #/bytes\n"
++
++static inline int vx_info_proc_cacct(struct _vx_cacct *cacct, char *buffer)
++{
++ int i, j, length = 0;
++ static char *type[VXA_SOCK_SIZE] = {
++ "UNSPEC", "UNIX", "INET", "INET6", "PACKET", "OTHER"
++ };
++
++ length += sprintf(buffer + length, VX_SOCKA_TOP);
++ for (i = 0; i < VXA_SOCK_SIZE; i++) {
++ length += sprintf(buffer + length, "%s:", type[i]);
++ for (j = 0; j < 3; j++) {
++ length += sprintf(buffer + length,
++ "\t%10lu/%-10lu",
++ vx_sock_count(cacct, i, j),
++ vx_sock_total(cacct, i, j));
++ }
++ buffer[length++] = '\n';
++ }
++
++ length += sprintf(buffer + length, "\n");
++ length += sprintf(buffer + length,
++ "slab:\t %8u %8u %8u %8u\n",
++ atomic_read(&cacct->slab[1]),
++ atomic_read(&cacct->slab[4]),
++ atomic_read(&cacct->slab[0]),
++ atomic_read(&cacct->slab[2]));
++
++ length += sprintf(buffer + length, "\n");
++ for (i = 0; i < 5; i++) {
++ length += sprintf(buffer + length,
++ "page[%d]: %8u %8u %8u %8u\t %8u %8u %8u %8u\n", i,
++ atomic_read(&cacct->page[i][0]),
++ atomic_read(&cacct->page[i][1]),
++ atomic_read(&cacct->page[i][2]),
++ atomic_read(&cacct->page[i][3]),
++ atomic_read(&cacct->page[i][4]),
++ atomic_read(&cacct->page[i][5]),
++ atomic_read(&cacct->page[i][6]),
++ atomic_read(&cacct->page[i][7]));
++ }
++ return length;
++}
++
++#endif /* _VX_CACCT_PROC_H */
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/context.c linux-3.7.10-vs2.3.5.6/kernel/vserver/context.c
+--- linux-3.7.10/kernel/vserver/context.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/context.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,1119 @@
++/*
++ * linux/kernel/vserver/context.c
++ *
++ * Virtual Server: Context Support
++ *
++ * Copyright (C) 2003-2011 Herbert Pötzl
++ *
++ * V0.01 context helper
++ * V0.02 vx_ctx_kill syscall command
++ * V0.03 replaced context_info calls
++ * V0.04 redesign of struct (de)alloc
++ * V0.05 rlimit basic implementation
++ * V0.06 task_xid and info commands
++ * V0.07 context flags and caps
++ * V0.08 switch to RCU based hash
++ * V0.09 revert to non RCU for now
++ * V0.10 and back to working RCU hash
++ * V0.11 and back to locking again
++ * V0.12 referenced context store
++ * V0.13 separate per cpu data
++ * V0.14 changed vcmds to vxi arg
++ * V0.15 added context stat
++ * V0.16 have __create claim() the vxi
++ * V0.17 removed older and legacy stuff
++ * V0.18 added user credentials
++ * V0.19 added warn mask
++ *
++ */
++
++#include <linux/slab.h>
++#include <linux/types.h>
++#include <linux/security.h>
++#include <linux/pid_namespace.h>
++#include <linux/capability.h>
++
++#include <linux/vserver/context.h>
++#include <linux/vserver/network.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/limit.h>
++#include <linux/vserver/limit_int.h>
++#include <linux/vserver/space.h>
++#include <linux/init_task.h>
++#include <linux/fs_struct.h>
++#include <linux/cred.h>
++
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/context_cmd.h>
++
++#include "cvirt_init.h"
++#include "cacct_init.h"
++#include "limit_init.h"
++#include "sched_init.h"
++
++
++atomic_t vx_global_ctotal = ATOMIC_INIT(0);
++atomic_t vx_global_cactive = ATOMIC_INIT(0);
++
++
++/* now inactive context structures */
++
++static struct hlist_head vx_info_inactive = HLIST_HEAD_INIT;
++
++static DEFINE_SPINLOCK(vx_info_inactive_lock);
++
++
++/* __alloc_vx_info()
++
++ * allocate an initialized vx_info struct
++ * doesn't make it visible (hash) */
++
++static struct vx_info *__alloc_vx_info(xid_t xid)
++{
++ struct vx_info *new = NULL;
++ int cpu, index;
++
++ vxdprintk(VXD_CBIT(xid, 0), "alloc_vx_info(%d)*", xid);
++
++ /* would this benefit from a slab cache? */
++ new = kmalloc(sizeof(struct vx_info), GFP_KERNEL);
++ if (!new)
++ return 0;
++
++ memset(new, 0, sizeof(struct vx_info));
++#ifdef CONFIG_SMP
++ new->ptr_pc = alloc_percpu(struct _vx_info_pc);
++ if (!new->ptr_pc)
++ goto error;
++#endif
++ new->vx_id = xid;
++ INIT_HLIST_NODE(&new->vx_hlist);
++ atomic_set(&new->vx_usecnt, 0);
++ atomic_set(&new->vx_tasks, 0);
++ new->vx_parent = NULL;
++ new->vx_state = 0;
++ init_waitqueue_head(&new->vx_wait);
++
++ /* prepare reaper */
++ get_task_struct(init_pid_ns.child_reaper);
++ new->vx_reaper = init_pid_ns.child_reaper;
++ new->vx_badness_bias = 0;
++
++ /* rest of init goes here */
++ vx_info_init_limit(&new->limit);
++ vx_info_init_sched(&new->sched);
++ vx_info_init_cvirt(&new->cvirt);
++ vx_info_init_cacct(&new->cacct);
++
++ /* per cpu data structures */
++ for_each_possible_cpu(cpu) {
++ vx_info_init_sched_pc(
++ &vx_per_cpu(new, sched_pc, cpu), cpu);
++ vx_info_init_cvirt_pc(
++ &vx_per_cpu(new, cvirt_pc, cpu), cpu);
++ }
++
++ new->vx_flags = VXF_INIT_SET;
++ new->vx_bcaps = CAP_FULL_SET; // maybe ~CAP_SETPCAP
++ new->vx_ccaps = 0;
++ new->vx_umask = 0;
++ new->vx_wmask = 0;
++
++ new->reboot_cmd = 0;
++ new->exit_code = 0;
++
++ // preconfig spaces
++ for (index = 0; index < VX_SPACES; index++) {
++ struct _vx_space *space = &new->space[index];
++
++ // filesystem
++ spin_lock(&init_fs.lock);
++ init_fs.users++;
++ spin_unlock(&init_fs.lock);
++ space->vx_fs = &init_fs;
++
++ /* FIXME: do we want defaults? */
++ // space->vx_real_cred = 0;
++ // space->vx_cred = 0;
++ }
++
++
++ vxdprintk(VXD_CBIT(xid, 0),
++ "alloc_vx_info(%d) = %p", xid, new);
++ vxh_alloc_vx_info(new);
++ atomic_inc(&vx_global_ctotal);
++ return new;
++#ifdef CONFIG_SMP
++error:
++ kfree(new);
++ return 0;
++#endif
++}
++
++/* __dealloc_vx_info()
++
++ * final disposal of vx_info */
++
++static void __dealloc_vx_info(struct vx_info *vxi)
++{
++#ifdef CONFIG_VSERVER_WARN
++ struct vx_info_save vxis;
++ int cpu;
++#endif
++ vxdprintk(VXD_CBIT(xid, 0),
++ "dealloc_vx_info(%p)", vxi);
++ vxh_dealloc_vx_info(vxi);
++
++#ifdef CONFIG_VSERVER_WARN
++ enter_vx_info(vxi, &vxis);
++ vx_info_exit_limit(&vxi->limit);
++ vx_info_exit_sched(&vxi->sched);
++ vx_info_exit_cvirt(&vxi->cvirt);
++ vx_info_exit_cacct(&vxi->cacct);
++
++ for_each_possible_cpu(cpu) {
++ vx_info_exit_sched_pc(
++ &vx_per_cpu(vxi, sched_pc, cpu), cpu);
++ vx_info_exit_cvirt_pc(
++ &vx_per_cpu(vxi, cvirt_pc, cpu), cpu);
++ }
++ leave_vx_info(&vxis);
++#endif
++
++ vxi->vx_id = -1;
++ vxi->vx_state |= VXS_RELEASED;
++
++#ifdef CONFIG_SMP
++ free_percpu(vxi->ptr_pc);
++#endif
++ kfree(vxi);
++ atomic_dec(&vx_global_ctotal);
++}
++
++static void __shutdown_vx_info(struct vx_info *vxi)
++{
++ struct nsproxy *nsproxy;
++ struct fs_struct *fs;
++ struct cred *cred;
++ int index, kill;
++
++ might_sleep();
++
++ vxi->vx_state |= VXS_SHUTDOWN;
++ vs_state_change(vxi, VSC_SHUTDOWN);
++
++ for (index = 0; index < VX_SPACES; index++) {
++ struct _vx_space *space = &vxi->space[index];
++
++ nsproxy = xchg(&space->vx_nsproxy, NULL);
++ if (nsproxy)
++ put_nsproxy(nsproxy);
++
++ fs = xchg(&space->vx_fs, NULL);
++ spin_lock(&fs->lock);
++ kill = !--fs->users;
++ spin_unlock(&fs->lock);
++ if (kill)
++ free_fs_struct(fs);
++
++ cred = (struct cred *)xchg(&space->vx_cred, NULL);
++ if (cred)
++ abort_creds(cred);
++ }
++}
++
++/* exported stuff */
++
++void free_vx_info(struct vx_info *vxi)
++{
++ unsigned long flags;
++ unsigned index;
++
++ /* check for reference counts first */
++ BUG_ON(atomic_read(&vxi->vx_usecnt));
++ BUG_ON(atomic_read(&vxi->vx_tasks));
++
++ /* context must not be hashed */
++ BUG_ON(vx_info_state(vxi, VXS_HASHED));
++
++ /* context shutdown is mandatory */
++ BUG_ON(!vx_info_state(vxi, VXS_SHUTDOWN));
++
++ /* spaces check */
++ for (index = 0; index < VX_SPACES; index++) {
++ struct _vx_space *space = &vxi->space[index];
++
++ BUG_ON(space->vx_nsproxy);
++ BUG_ON(space->vx_fs);
++ // BUG_ON(space->vx_real_cred);
++ // BUG_ON(space->vx_cred);
++ }
++
++ spin_lock_irqsave(&vx_info_inactive_lock, flags);
++ hlist_del(&vxi->vx_hlist);
++ spin_unlock_irqrestore(&vx_info_inactive_lock, flags);
++
++ __dealloc_vx_info(vxi);
++}
++
++
++/* hash table for vx_info hash */
++
++#define VX_HASH_SIZE 13
++
++static struct hlist_head vx_info_hash[VX_HASH_SIZE] =
++ { [0 ... VX_HASH_SIZE-1] = HLIST_HEAD_INIT };
++
++static DEFINE_SPINLOCK(vx_info_hash_lock);
++
++
++static inline unsigned int __hashval(xid_t xid)
++{
++ return (xid % VX_HASH_SIZE);
++}
++
++
++
++/* __hash_vx_info()
++
++ * add the vxi to the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __hash_vx_info(struct vx_info *vxi)
++{
++ struct hlist_head *head;
++
++ vxd_assert_lock(&vx_info_hash_lock);
++ vxdprintk(VXD_CBIT(xid, 4),
++ "__hash_vx_info: %p[#%d]", vxi, vxi->vx_id);
++ vxh_hash_vx_info(vxi);
++
++ /* context must not be hashed */
++ BUG_ON(vx_info_state(vxi, VXS_HASHED));
++
++ vxi->vx_state |= VXS_HASHED;
++ head = &vx_info_hash[__hashval(vxi->vx_id)];
++ hlist_add_head(&vxi->vx_hlist, head);
++ atomic_inc(&vx_global_cactive);
++}
++
++/* __unhash_vx_info()
++
++ * remove the vxi from the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __unhash_vx_info(struct vx_info *vxi)
++{
++ unsigned long flags;
++
++ vxd_assert_lock(&vx_info_hash_lock);
++ vxdprintk(VXD_CBIT(xid, 4),
++ "__unhash_vx_info: %p[#%d.%d.%d]", vxi, vxi->vx_id,
++ atomic_read(&vxi->vx_usecnt), atomic_read(&vxi->vx_tasks));
++ vxh_unhash_vx_info(vxi);
++
++ /* context must be hashed */
++ BUG_ON(!vx_info_state(vxi, VXS_HASHED));
++ /* but without tasks */
++ BUG_ON(atomic_read(&vxi->vx_tasks));
++
++ vxi->vx_state &= ~VXS_HASHED;
++ hlist_del_init(&vxi->vx_hlist);
++ spin_lock_irqsave(&vx_info_inactive_lock, flags);
++ hlist_add_head(&vxi->vx_hlist, &vx_info_inactive);
++ spin_unlock_irqrestore(&vx_info_inactive_lock, flags);
++ atomic_dec(&vx_global_cactive);
++}
++
++
++/* __lookup_vx_info()
++
++ * requires the hash_lock to be held
++ * doesn't increment the vx_refcnt */
++
++static inline struct vx_info *__lookup_vx_info(xid_t xid)
++{
++ struct hlist_head *head = &vx_info_hash[__hashval(xid)];
++ struct hlist_node *pos;
++ struct vx_info *vxi;
++
++ vxd_assert_lock(&vx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ vxi = hlist_entry(pos, struct vx_info, vx_hlist);
++
++ if (vxi->vx_id == xid)
++ goto found;
++ }
++ vxi = NULL;
++found:
++ vxdprintk(VXD_CBIT(xid, 0),
++ "__lookup_vx_info(#%u): %p[#%u]",
++ xid, vxi, vxi ? vxi->vx_id : 0);
++ vxh_lookup_vx_info(vxi, xid);
++ return vxi;
++}
++
++
++/* __create_vx_info()
++
++ * create the requested context
++ * get(), claim() and hash it */
++
++static struct vx_info *__create_vx_info(int id)
++{
++ struct vx_info *new, *vxi = NULL;
++
++ vxdprintk(VXD_CBIT(xid, 1), "create_vx_info(%d)*", id);
++
++ if (!(new = __alloc_vx_info(id)))
++ return ERR_PTR(-ENOMEM);
++
++ /* required to make dynamic xids unique */
++ spin_lock(&vx_info_hash_lock);
++
++ /* static context requested */
++ if ((vxi = __lookup_vx_info(id))) {
++ vxdprintk(VXD_CBIT(xid, 0),
++ "create_vx_info(%d) = %p (already there)", id, vxi);
++ if (vx_info_flags(vxi, VXF_STATE_SETUP, 0))
++ vxi = ERR_PTR(-EBUSY);
++ else
++ vxi = ERR_PTR(-EEXIST);
++ goto out_unlock;
++ }
++ /* new context */
++ vxdprintk(VXD_CBIT(xid, 0),
++ "create_vx_info(%d) = %p (new)", id, new);
++ claim_vx_info(new, NULL);
++ __hash_vx_info(get_vx_info(new));
++ vxi = new, new = NULL;
++
++out_unlock:
++ spin_unlock(&vx_info_hash_lock);
++ vxh_create_vx_info(IS_ERR(vxi) ? NULL : vxi, id);
++ if (new)
++ __dealloc_vx_info(new);
++ return vxi;
++}
++
++
++/* exported stuff */
++
++
++void unhash_vx_info(struct vx_info *vxi)
++{
++ spin_lock(&vx_info_hash_lock);
++ __unhash_vx_info(vxi);
++ spin_unlock(&vx_info_hash_lock);
++ __shutdown_vx_info(vxi);
++ __wakeup_vx_info(vxi);
++}
++
++
++/* lookup_vx_info()
++
++ * search for a vx_info and get() it
++ * negative id means current */
++
++struct vx_info *lookup_vx_info(int id)
++{
++ struct vx_info *vxi = NULL;
++
++ if (id < 0) {
++ vxi = get_vx_info(current_vx_info());
++ } else if (id > 1) {
++ spin_lock(&vx_info_hash_lock);
++ vxi = get_vx_info(__lookup_vx_info(id));
++ spin_unlock(&vx_info_hash_lock);
++ }
++ return vxi;
++}
++
++/* xid_is_hashed()
++
++ * verify that xid is still hashed */
++
++int xid_is_hashed(xid_t xid)
++{
++ int hashed;
++
++ spin_lock(&vx_info_hash_lock);
++ hashed = (__lookup_vx_info(xid) != NULL);
++ spin_unlock(&vx_info_hash_lock);
++ return hashed;
++}
++
++#ifdef CONFIG_PROC_FS
++
++/* get_xid_list()
++
++ * get a subset of hashed xids for proc
++ * assumes size is at least one */
++
++int get_xid_list(int index, unsigned int *xids, int size)
++{
++ int hindex, nr_xids = 0;
++
++ /* only show current and children */
++ if (!vx_check(0, VS_ADMIN | VS_WATCH)) {
++ if (index > 0)
++ return 0;
++ xids[nr_xids] = vx_current_xid();
++ return 1;
++ }
++
++ for (hindex = 0; hindex < VX_HASH_SIZE; hindex++) {
++ struct hlist_head *head = &vx_info_hash[hindex];
++ struct hlist_node *pos;
++
++ spin_lock(&vx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ struct vx_info *vxi;
++
++ if (--index > 0)
++ continue;
++
++ vxi = hlist_entry(pos, struct vx_info, vx_hlist);
++ xids[nr_xids] = vxi->vx_id;
++ if (++nr_xids >= size) {
++ spin_unlock(&vx_info_hash_lock);
++ goto out;
++ }
++ }
++ /* keep the lock time short */
++ spin_unlock(&vx_info_hash_lock);
++ }
++out:
++ return nr_xids;
++}
++#endif
++
++#ifdef CONFIG_VSERVER_DEBUG
++
++void dump_vx_info_inactive(int level)
++{
++ struct hlist_node *entry, *next;
++
++ hlist_for_each_safe(entry, next, &vx_info_inactive) {
++ struct vx_info *vxi =
++ list_entry(entry, struct vx_info, vx_hlist);
++
++ dump_vx_info(vxi, level);
++ }
++}
++
++#endif
++
++#if 0
++int vx_migrate_user(struct task_struct *p, struct vx_info *vxi)
++{
++ struct user_struct *new_user, *old_user;
++
++ if (!p || !vxi)
++ BUG();
++
++ if (vx_info_flags(vxi, VXF_INFO_PRIVATE, 0))
++ return -EACCES;
++
++ new_user = alloc_uid(vxi->vx_id, p->uid);
++ if (!new_user)
++ return -ENOMEM;
++
++ old_user = p->user;
++ if (new_user != old_user) {
++ atomic_inc(&new_user->processes);
++ atomic_dec(&old_user->processes);
++ p->user = new_user;
++ }
++ free_uid(old_user);
++ return 0;
++}
++#endif
++
++#if 0
++void vx_mask_cap_bset(struct vx_info *vxi, struct task_struct *p)
++{
++ // p->cap_effective &= vxi->vx_cap_bset;
++ p->cap_effective =
++ cap_intersect(p->cap_effective, vxi->cap_bset);
++ // p->cap_inheritable &= vxi->vx_cap_bset;
++ p->cap_inheritable =
++ cap_intersect(p->cap_inheritable, vxi->cap_bset);
++ // p->cap_permitted &= vxi->vx_cap_bset;
++ p->cap_permitted =
++ cap_intersect(p->cap_permitted, vxi->cap_bset);
++}
++#endif
++
++
++#include <linux/file.h>
++#include <linux/fdtable.h>
++
++static int vx_openfd_task(struct task_struct *tsk)
++{
++ struct files_struct *files = tsk->files;
++ struct fdtable *fdt;
++ const unsigned long *bptr;
++ int count, total;
++
++ /* no rcu_read_lock() because of spin_lock() */
++ spin_lock(&files->file_lock);
++ fdt = files_fdtable(files);
++ bptr = fdt->open_fds;
++ count = fdt->max_fds / (sizeof(unsigned long) * 8);
++ for (total = 0; count > 0; count--) {
++ if (*bptr)
++ total += hweight_long(*bptr);
++ bptr++;
++ }
++ spin_unlock(&files->file_lock);
++ return total;
++}
++
++
++/* for *space compatibility */
++
++asmlinkage long sys_unshare(unsigned long);
++
++/*
++ * migrate task to new context
++ * gets vxi, puts old_vxi on change
++ * optionally unshares namespaces (hack)
++ */
++
++int vx_migrate_task(struct task_struct *p, struct vx_info *vxi, int unshare)
++{
++ struct vx_info *old_vxi;
++ int ret = 0;
++
++ if (!p || !vxi)
++ BUG();
++
++ vxdprintk(VXD_CBIT(xid, 5),
++ "vx_migrate_task(%p,%p[#%d.%d])", p, vxi,
++ vxi->vx_id, atomic_read(&vxi->vx_usecnt));
++
++ if (vx_info_flags(vxi, VXF_INFO_PRIVATE, 0) &&
++ !vx_info_flags(vxi, VXF_STATE_SETUP, 0))
++ return -EACCES;
++
++ if (vx_info_state(vxi, VXS_SHUTDOWN))
++ return -EFAULT;
++
++ old_vxi = task_get_vx_info(p);
++ if (old_vxi == vxi)
++ goto out;
++
++// if (!(ret = vx_migrate_user(p, vxi))) {
++ {
++ int openfd;
++
++ task_lock(p);
++ openfd = vx_openfd_task(p);
++
++ if (old_vxi) {
++ atomic_dec(&old_vxi->cvirt.nr_threads);
++ atomic_dec(&old_vxi->cvirt.nr_running);
++ __rlim_dec(&old_vxi->limit, RLIMIT_NPROC);
++ /* FIXME: what about the struct files here? */
++ __rlim_sub(&old_vxi->limit, VLIMIT_OPENFD, openfd);
++ /* account for the executable */
++ __rlim_dec(&old_vxi->limit, VLIMIT_DENTRY);
++ }
++ atomic_inc(&vxi->cvirt.nr_threads);
++ atomic_inc(&vxi->cvirt.nr_running);
++ __rlim_inc(&vxi->limit, RLIMIT_NPROC);
++ /* FIXME: what about the struct files here? */
++ __rlim_add(&vxi->limit, VLIMIT_OPENFD, openfd);
++ /* account for the executable */
++ __rlim_inc(&vxi->limit, VLIMIT_DENTRY);
++
++ if (old_vxi) {
++ release_vx_info(old_vxi, p);
++ clr_vx_info(&p->vx_info);
++ }
++ claim_vx_info(vxi, p);
++ set_vx_info(&p->vx_info, vxi);
++ p->xid = vxi->vx_id;
++
++ vxdprintk(VXD_CBIT(xid, 5),
++ "moved task %p into vxi:%p[#%d]",
++ p, vxi, vxi->vx_id);
++
++ // vx_mask_cap_bset(vxi, p);
++ task_unlock(p);
++
++ /* hack for *spaces to provide compatibility */
++ if (unshare) {
++ struct nsproxy *old_nsp, *new_nsp;
++
++ ret = unshare_nsproxy_namespaces(
++ CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER,
++ &new_nsp, NULL);
++ if (ret)
++ goto out;
++
++ old_nsp = xchg(&p->nsproxy, new_nsp);
++ vx_set_space(vxi,
++ CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER, 0);
++ put_nsproxy(old_nsp);
++ }
++ }
++out:
++ put_vx_info(old_vxi);
++ return ret;
++}
++
++int vx_set_reaper(struct vx_info *vxi, struct task_struct *p)
++{
++ struct task_struct *old_reaper;
++ struct vx_info *reaper_vxi;
++
++ if (!vxi)
++ return -EINVAL;
++
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_set_reaper(%p[#%d],%p[#%d,%d])",
++ vxi, vxi->vx_id, p, p->xid, p->pid);
++
++ old_reaper = vxi->vx_reaper;
++ if (old_reaper == p)
++ return 0;
++
++ reaper_vxi = task_get_vx_info(p);
++ if (reaper_vxi && reaper_vxi != vxi) {
++ vxwprintk(1,
++ "Unsuitable reaper [" VS_Q("%s") ",%u:#%u] "
++ "for [xid #%u]",
++ p->comm, p->pid, p->xid, vx_current_xid());
++ goto out;
++ }
++
++ /* set new child reaper */
++ get_task_struct(p);
++ vxi->vx_reaper = p;
++ put_task_struct(old_reaper);
++out:
++ put_vx_info(reaper_vxi);
++ return 0;
++}
++
++int vx_set_init(struct vx_info *vxi, struct task_struct *p)
++{
++ if (!vxi)
++ return -EINVAL;
++
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_set_init(%p[#%d],%p[#%d,%d,%d])",
++ vxi, vxi->vx_id, p, p->xid, p->pid, p->tgid);
++
++ vxi->vx_flags &= ~VXF_STATE_INIT;
++ // vxi->vx_initpid = p->tgid;
++ vxi->vx_initpid = p->pid;
++ return 0;
++}
++
++void vx_exit_init(struct vx_info *vxi, struct task_struct *p, int code)
++{
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_exit_init(%p[#%d],%p[#%d,%d,%d])",
++ vxi, vxi->vx_id, p, p->xid, p->pid, p->tgid);
++
++ vxi->exit_code = code;
++ vxi->vx_initpid = 0;
++}
++
++
++void vx_set_persistent(struct vx_info *vxi)
++{
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_set_persistent(%p[#%d])", vxi, vxi->vx_id);
++
++ get_vx_info(vxi);
++ claim_vx_info(vxi, NULL);
++}
++
++void vx_clear_persistent(struct vx_info *vxi)
++{
++ vxdprintk(VXD_CBIT(xid, 6),
++ "vx_clear_persistent(%p[#%d])", vxi, vxi->vx_id);
++
++ release_vx_info(vxi, NULL);
++ put_vx_info(vxi);
++}
++
++void vx_update_persistent(struct vx_info *vxi)
++{
++ if (vx_info_flags(vxi, VXF_PERSISTENT, 0))
++ vx_set_persistent(vxi);
++ else
++ vx_clear_persistent(vxi);
++}
++
++
++/* task must be current or locked */
++
++void exit_vx_info(struct task_struct *p, int code)
++{
++ struct vx_info *vxi = p->vx_info;
++
++ if (vxi) {
++ atomic_dec(&vxi->cvirt.nr_threads);
++ vx_nproc_dec(p);
++
++ vxi->exit_code = code;
++ release_vx_info(vxi, p);
++ }
++}
++
++void exit_vx_info_early(struct task_struct *p, int code)
++{
++ struct vx_info *vxi = p->vx_info;
++
++ if (vxi) {
++ if (vxi->vx_initpid == p->pid)
++ vx_exit_init(vxi, p, code);
++ if (vxi->vx_reaper == p)
++ vx_set_reaper(vxi, init_pid_ns.child_reaper);
++ }
++}
++
++
++/* vserver syscall commands below here */
++
++/* taks xid and vx_info functions */
++
++#include <asm/uaccess.h>
++
++
++int vc_task_xid(uint32_t id)
++{
++ xid_t xid;
++
++ if (id) {
++ struct task_struct *tsk;
++
++ rcu_read_lock();
++ tsk = find_task_by_real_pid(id);
++ xid = (tsk) ? tsk->xid : -ESRCH;
++ rcu_read_unlock();
++ } else
++ xid = vx_current_xid();
++ return xid;
++}
++
++
++int vc_vx_info(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_vx_info_v0 vc_data;
++
++ vc_data.xid = vxi->vx_id;
++ vc_data.initpid = vxi->vx_initpid;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++int vc_ctx_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_stat_v0 vc_data;
++
++ vc_data.usecnt = atomic_read(&vxi->vx_usecnt);
++ vc_data.tasks = atomic_read(&vxi->vx_tasks);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++/* context functions */
++
++int vc_ctx_create(uint32_t xid, void __user *data)
++{
++ struct vcmd_ctx_create vc_data = { .flagword = VXF_INIT_SET };
++ struct vx_info *new_vxi;
++ int ret;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if ((xid > MAX_S_CONTEXT) || (xid < 2))
++ return -EINVAL;
++
++ new_vxi = __create_vx_info(xid);
++ if (IS_ERR(new_vxi))
++ return PTR_ERR(new_vxi);
++
++ /* initial flags */
++ new_vxi->vx_flags = vc_data.flagword;
++
++ ret = -ENOEXEC;
++ if (vs_state_change(new_vxi, VSC_STARTUP))
++ goto out;
++
++ ret = vx_migrate_task(current, new_vxi, (!data));
++ if (ret)
++ goto out;
++
++ /* return context id on success */
++ ret = new_vxi->vx_id;
++
++ /* get a reference for persistent contexts */
++ if ((vc_data.flagword & VXF_PERSISTENT))
++ vx_set_persistent(new_vxi);
++out:
++ release_vx_info(new_vxi, NULL);
++ put_vx_info(new_vxi);
++ return ret;
++}
++
++
++int vc_ctx_migrate(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_migrate vc_data = { .flagword = 0 };
++ int ret;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = vx_migrate_task(current, vxi, 0);
++ if (ret)
++ return ret;
++ if (vc_data.flagword & VXM_SET_INIT)
++ ret = vx_set_init(vxi, current);
++ if (ret)
++ return ret;
++ if (vc_data.flagword & VXM_SET_REAPER)
++ ret = vx_set_reaper(vxi, current);
++ return ret;
++}
++
++
++int vc_get_cflags(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_flags_v0 vc_data;
++
++ vc_data.flagword = vxi->vx_flags;
++
++ /* special STATE flag handling */
++ vc_data.mask = vs_mask_flags(~0ULL, vxi->vx_flags, VXF_ONE_TIME);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_cflags(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_flags_v0 vc_data;
++ uint64_t mask, trigger;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ /* special STATE flag handling */
++ mask = vs_mask_mask(vc_data.mask, vxi->vx_flags, VXF_ONE_TIME);
++ trigger = (mask & vxi->vx_flags) ^ (mask & vc_data.flagword);
++
++ if (vxi == current_vx_info()) {
++ /* if (trigger & VXF_STATE_SETUP)
++ vx_mask_cap_bset(vxi, current); */
++ if (trigger & VXF_STATE_INIT) {
++ int ret;
++
++ ret = vx_set_init(vxi, current);
++ if (ret)
++ return ret;
++ ret = vx_set_reaper(vxi, current);
++ if (ret)
++ return ret;
++ }
++ }
++
++ vxi->vx_flags = vs_mask_flags(vxi->vx_flags,
++ vc_data.flagword, mask);
++ if (trigger & VXF_PERSISTENT)
++ vx_update_persistent(vxi);
++
++ return 0;
++}
++
++
++static inline uint64_t caps_from_cap_t(kernel_cap_t c)
++{
++ uint64_t v = c.cap[0] | ((uint64_t)c.cap[1] << 32);
++
++ // printk("caps_from_cap_t(%08x:%08x) = %016llx\n", c.cap[1], c.cap[0], v);
++ return v;
++}
++
++static inline kernel_cap_t cap_t_from_caps(uint64_t v)
++{
++ kernel_cap_t c = __cap_empty_set;
++
++ c.cap[0] = v & 0xFFFFFFFF;
++ c.cap[1] = (v >> 32) & 0xFFFFFFFF;
++
++ // printk("cap_t_from_caps(%016llx) = %08x:%08x\n", v, c.cap[1], c.cap[0]);
++ return c;
++}
++
++
++static int do_get_caps(struct vx_info *vxi, uint64_t *bcaps, uint64_t *ccaps)
++{
++ if (bcaps)
++ *bcaps = caps_from_cap_t(vxi->vx_bcaps);
++ if (ccaps)
++ *ccaps = vxi->vx_ccaps;
++
++ return 0;
++}
++
++int vc_get_ccaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_caps_v1 vc_data;
++ int ret;
++
++ ret = do_get_caps(vxi, NULL, &vc_data.ccaps);
++ if (ret)
++ return ret;
++ vc_data.cmask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++static int do_set_caps(struct vx_info *vxi,
++ uint64_t bcaps, uint64_t bmask, uint64_t ccaps, uint64_t cmask)
++{
++ uint64_t bcold = caps_from_cap_t(vxi->vx_bcaps);
++
++#if 0
++ printk("do_set_caps(%16llx, %16llx, %16llx, %16llx)\n",
++ bcaps, bmask, ccaps, cmask);
++#endif
++ vxi->vx_bcaps = cap_t_from_caps(
++ vs_mask_flags(bcold, bcaps, bmask));
++ vxi->vx_ccaps = vs_mask_flags(vxi->vx_ccaps, ccaps, cmask);
++
++ return 0;
++}
++
++int vc_set_ccaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_caps_v1 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_caps(vxi, 0, 0, vc_data.ccaps, vc_data.cmask);
++}
++
++int vc_get_bcaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_bcaps vc_data;
++ int ret;
++
++ ret = do_get_caps(vxi, &vc_data.bcaps, NULL);
++ if (ret)
++ return ret;
++ vc_data.bmask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_bcaps(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_bcaps vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_caps(vxi, vc_data.bcaps, vc_data.bmask, 0, 0);
++}
++
++
++int vc_get_umask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_umask vc_data;
++
++ vc_data.umask = vxi->vx_umask;
++ vc_data.mask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_umask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_umask vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ vxi->vx_umask = vs_mask_flags(vxi->vx_umask,
++ vc_data.umask, vc_data.mask);
++ return 0;
++}
++
++
++int vc_get_wmask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_wmask vc_data;
++
++ vc_data.wmask = vxi->vx_wmask;
++ vc_data.mask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_wmask(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_wmask vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ vxi->vx_wmask = vs_mask_flags(vxi->vx_wmask,
++ vc_data.wmask, vc_data.mask);
++ return 0;
++}
++
++
++int vc_get_badness(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_badness_v0 vc_data;
++
++ vc_data.bias = vxi->vx_badness_bias;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_badness(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_badness_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ vxi->vx_badness_bias = vc_data.bias;
++ return 0;
++}
++
++#include <linux/module.h>
++
++EXPORT_SYMBOL_GPL(free_vx_info);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cvirt.c linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt.c
+--- linux-3.7.10/kernel/vserver/cvirt.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,313 @@
++/*
++ * linux/kernel/vserver/cvirt.c
++ *
++ * Virtual Server: Context Virtualization
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 broken out from limit.c
++ * V0.02 added utsname stuff
++ * V0.03 changed vcmds to vxi arg
++ *
++ */
++
++#include <linux/types.h>
++#include <linux/utsname.h>
++#include <linux/vs_cvirt.h>
++#include <linux/vserver/switch.h>
++#include <linux/vserver/cvirt_cmd.h>
++
++#include <asm/uaccess.h>
++
++
++void vx_vsi_boottime(struct timespec *boottime)
++{
++ struct vx_info *vxi = current_vx_info();
++
++ set_normalized_timespec(boottime,
++ boottime->tv_sec + vxi->cvirt.bias_uptime.tv_sec,
++ boottime->tv_nsec + vxi->cvirt.bias_uptime.tv_nsec);
++ return;
++}
++
++void vx_vsi_uptime(struct timespec *uptime, struct timespec *idle)
++{
++ struct vx_info *vxi = current_vx_info();
++
++ set_normalized_timespec(uptime,
++ uptime->tv_sec - vxi->cvirt.bias_uptime.tv_sec,
++ uptime->tv_nsec - vxi->cvirt.bias_uptime.tv_nsec);
++ if (!idle)
++ return;
++ set_normalized_timespec(idle,
++ idle->tv_sec - vxi->cvirt.bias_idle.tv_sec,
++ idle->tv_nsec - vxi->cvirt.bias_idle.tv_nsec);
++ return;
++}
++
++uint64_t vx_idle_jiffies(void)
++{
++ return init_task.utime + init_task.stime;
++}
++
++
++
++static inline uint32_t __update_loadavg(uint32_t load,
++ int wsize, int delta, int n)
++{
++ unsigned long long calc, prev;
++
++ /* just set it to n */
++ if (unlikely(delta >= wsize))
++ return (n << FSHIFT);
++
++ calc = delta * n;
++ calc <<= FSHIFT;
++ prev = (wsize - delta);
++ prev *= load;
++ calc += prev;
++ do_div(calc, wsize);
++ return calc;
++}
++
++
++void vx_update_load(struct vx_info *vxi)
++{
++ uint32_t now, last, delta;
++ unsigned int nr_running, nr_uninterruptible;
++ unsigned int total;
++ unsigned long flags;
++
++ spin_lock_irqsave(&vxi->cvirt.load_lock, flags);
++
++ now = jiffies;
++ last = vxi->cvirt.load_last;
++ delta = now - last;
++
++ if (delta < 5*HZ)
++ goto out;
++
++ nr_running = atomic_read(&vxi->cvirt.nr_running);
++ nr_uninterruptible = atomic_read(&vxi->cvirt.nr_uninterruptible);
++ total = nr_running + nr_uninterruptible;
++
++ vxi->cvirt.load[0] = __update_loadavg(vxi->cvirt.load[0],
++ 60*HZ, delta, total);
++ vxi->cvirt.load[1] = __update_loadavg(vxi->cvirt.load[1],
++ 5*60*HZ, delta, total);
++ vxi->cvirt.load[2] = __update_loadavg(vxi->cvirt.load[2],
++ 15*60*HZ, delta, total);
++
++ vxi->cvirt.load_last = now;
++out:
++ atomic_inc(&vxi->cvirt.load_updates);
++ spin_unlock_irqrestore(&vxi->cvirt.load_lock, flags);
++}
++
++
++/*
++ * Commands to do_syslog:
++ *
++ * 0 -- Close the log. Currently a NOP.
++ * 1 -- Open the log. Currently a NOP.
++ * 2 -- Read from the log.
++ * 3 -- Read all messages remaining in the ring buffer.
++ * 4 -- Read and clear all messages remaining in the ring buffer
++ * 5 -- Clear ring buffer.
++ * 6 -- Disable printk's to console
++ * 7 -- Enable printk's to console
++ * 8 -- Set level of messages printed to console
++ * 9 -- Return number of unread characters in the log buffer
++ * 10 -- Return size of the log buffer
++ */
++int vx_do_syslog(int type, char __user *buf, int len)
++{
++ int error = 0;
++ int do_clear = 0;
++ struct vx_info *vxi = current_vx_info();
++ struct _vx_syslog *log;
++
++ if (!vxi)
++ return -EINVAL;
++ log = &vxi->cvirt.syslog;
++
++ switch (type) {
++ case 0: /* Close log */
++ case 1: /* Open log */
++ break;
++ case 2: /* Read from log */
++ error = wait_event_interruptible(log->log_wait,
++ (log->log_start - log->log_end));
++ if (error)
++ break;
++ spin_lock_irq(&log->logbuf_lock);
++ spin_unlock_irq(&log->logbuf_lock);
++ break;
++ case 4: /* Read/clear last kernel messages */
++ do_clear = 1;
++ /* fall through */
++ case 3: /* Read last kernel messages */
++ return 0;
++
++ case 5: /* Clear ring buffer */
++ return 0;
++
++ case 6: /* Disable logging to console */
++ case 7: /* Enable logging to console */
++ case 8: /* Set level of messages printed to console */
++ break;
++
++ case 9: /* Number of chars in the log buffer */
++ return 0;
++ case 10: /* Size of the log buffer */
++ return 0;
++ default:
++ error = -EINVAL;
++ break;
++ }
++ return error;
++}
++
++
++/* virtual host info names */
++
++static char *vx_vhi_name(struct vx_info *vxi, int id)
++{
++ struct nsproxy *nsproxy;
++ struct uts_namespace *uts;
++
++ if (id == VHIN_CONTEXT)
++ return vxi->vx_name;
++
++ nsproxy = vxi->space[0].vx_nsproxy;
++ if (!nsproxy)
++ return NULL;
++
++ uts = nsproxy->uts_ns;
++ if (!uts)
++ return NULL;
++
++ switch (id) {
++ case VHIN_SYSNAME:
++ return uts->name.sysname;
++ case VHIN_NODENAME:
++ return uts->name.nodename;
++ case VHIN_RELEASE:
++ return uts->name.release;
++ case VHIN_VERSION:
++ return uts->name.version;
++ case VHIN_MACHINE:
++ return uts->name.machine;
++ case VHIN_DOMAINNAME:
++ return uts->name.domainname;
++ default:
++ return NULL;
++ }
++ return NULL;
++}
++
++int vc_set_vhi_name(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_vhi_name_v0 vc_data;
++ char *name;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ name = vx_vhi_name(vxi, vc_data.field);
++ if (!name)
++ return -EINVAL;
++
++ memcpy(name, vc_data.name, 65);
++ return 0;
++}
++
++int vc_get_vhi_name(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_vhi_name_v0 vc_data;
++ char *name;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ name = vx_vhi_name(vxi, vc_data.field);
++ if (!name)
++ return -EINVAL;
++
++ memcpy(vc_data.name, name, 65);
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++int vc_virt_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_virt_stat_v0 vc_data;
++ struct _vx_cvirt *cvirt = &vxi->cvirt;
++ struct timespec uptime;
++
++ do_posix_clock_monotonic_gettime(&uptime);
++ set_normalized_timespec(&uptime,
++ uptime.tv_sec - cvirt->bias_uptime.tv_sec,
++ uptime.tv_nsec - cvirt->bias_uptime.tv_nsec);
++
++ vc_data.offset = timespec_to_ns(&cvirt->bias_ts);
++ vc_data.uptime = timespec_to_ns(&uptime);
++ vc_data.nr_threads = atomic_read(&cvirt->nr_threads);
++ vc_data.nr_running = atomic_read(&cvirt->nr_running);
++ vc_data.nr_uninterruptible = atomic_read(&cvirt->nr_uninterruptible);
++ vc_data.nr_onhold = atomic_read(&cvirt->nr_onhold);
++ vc_data.nr_forks = atomic_read(&cvirt->total_forks);
++ vc_data.load[0] = cvirt->load[0];
++ vc_data.load[1] = cvirt->load[1];
++ vc_data.load[2] = cvirt->load[2];
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++#ifdef CONFIG_VSERVER_VTIME
++
++/* virtualized time base */
++
++void vx_adjust_timespec(struct timespec *ts)
++{
++ struct vx_info *vxi;
++
++ if (!vx_flags(VXF_VIRT_TIME, 0))
++ return;
++
++ vxi = current_vx_info();
++ ts->tv_sec += vxi->cvirt.bias_ts.tv_sec;
++ ts->tv_nsec += vxi->cvirt.bias_ts.tv_nsec;
++
++ if (ts->tv_nsec >= NSEC_PER_SEC) {
++ ts->tv_sec++;
++ ts->tv_nsec -= NSEC_PER_SEC;
++ } else if (ts->tv_nsec < 0) {
++ ts->tv_sec--;
++ ts->tv_nsec += NSEC_PER_SEC;
++ }
++}
++
++int vx_settimeofday(const struct timespec *ts)
++{
++ struct timespec ats, delta;
++ struct vx_info *vxi;
++
++ if (!vx_flags(VXF_VIRT_TIME, 0))
++ return do_settimeofday(ts);
++
++ getnstimeofday(&ats);
++ delta = timespec_sub(*ts, ats);
++
++ vxi = current_vx_info();
++ vxi->cvirt.bias_ts = timespec_add(vxi->cvirt.bias_ts, delta);
++ return 0;
++}
++
++#endif
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cvirt_init.h linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt_init.h
+--- linux-3.7.10/kernel/vserver/cvirt_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt_init.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,70 @@
++
++
++extern uint64_t vx_idle_jiffies(void);
++
++static inline void vx_info_init_cvirt(struct _vx_cvirt *cvirt)
++{
++ uint64_t idle_jiffies = vx_idle_jiffies();
++ uint64_t nsuptime;
++
++ do_posix_clock_monotonic_gettime(&cvirt->bias_uptime);
++ nsuptime = (unsigned long long)cvirt->bias_uptime.tv_sec
++ * NSEC_PER_SEC + cvirt->bias_uptime.tv_nsec;
++ cvirt->bias_clock = nsec_to_clock_t(nsuptime);
++ cvirt->bias_ts.tv_sec = 0;
++ cvirt->bias_ts.tv_nsec = 0;
++
++ jiffies_to_timespec(idle_jiffies, &cvirt->bias_idle);
++ atomic_set(&cvirt->nr_threads, 0);
++ atomic_set(&cvirt->nr_running, 0);
++ atomic_set(&cvirt->nr_uninterruptible, 0);
++ atomic_set(&cvirt->nr_onhold, 0);
++
++ spin_lock_init(&cvirt->load_lock);
++ cvirt->load_last = jiffies;
++ atomic_set(&cvirt->load_updates, 0);
++ cvirt->load[0] = 0;
++ cvirt->load[1] = 0;
++ cvirt->load[2] = 0;
++ atomic_set(&cvirt->total_forks, 0);
++
++ spin_lock_init(&cvirt->syslog.logbuf_lock);
++ init_waitqueue_head(&cvirt->syslog.log_wait);
++ cvirt->syslog.log_start = 0;
++ cvirt->syslog.log_end = 0;
++ cvirt->syslog.con_start = 0;
++ cvirt->syslog.logged_chars = 0;
++}
++
++static inline
++void vx_info_init_cvirt_pc(struct _vx_cvirt_pc *cvirt_pc, int cpu)
++{
++ // cvirt_pc->cpustat = { 0 };
++}
++
++static inline void vx_info_exit_cvirt(struct _vx_cvirt *cvirt)
++{
++#ifdef CONFIG_VSERVER_WARN
++ int value;
++#endif
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_threads)),
++ "!!! cvirt: %p[nr_threads] = %d on exit.",
++ cvirt, value);
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_running)),
++ "!!! cvirt: %p[nr_running] = %d on exit.",
++ cvirt, value);
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_uninterruptible)),
++ "!!! cvirt: %p[nr_uninterruptible] = %d on exit.",
++ cvirt, value);
++ vxwprintk_xid((value = atomic_read(&cvirt->nr_onhold)),
++ "!!! cvirt: %p[nr_onhold] = %d on exit.",
++ cvirt, value);
++ return;
++}
++
++static inline
++void vx_info_exit_cvirt_pc(struct _vx_cvirt_pc *cvirt_pc, int cpu)
++{
++ return;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/cvirt_proc.h linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt_proc.h
+--- linux-3.7.10/kernel/vserver/cvirt_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/cvirt_proc.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,123 @@
++#ifndef _VX_CVIRT_PROC_H
++#define _VX_CVIRT_PROC_H
++
++#include <linux/nsproxy.h>
++#include <linux/mnt_namespace.h>
++#include <linux/ipc_namespace.h>
++#include <linux/utsname.h>
++#include <linux/ipc.h>
++
++extern int vx_info_mnt_namespace(struct mnt_namespace *, char *);
++
++static inline
++int vx_info_proc_nsproxy(struct nsproxy *nsproxy, char *buffer)
++{
++ struct mnt_namespace *ns;
++ struct uts_namespace *uts;
++ struct ipc_namespace *ipc;
++ int length = 0;
++
++ if (!nsproxy)
++ goto out;
++
++ length += sprintf(buffer + length,
++ "NSProxy:\t%p [%p,%p,%p]\n",
++ nsproxy, nsproxy->mnt_ns,
++ nsproxy->uts_ns, nsproxy->ipc_ns);
++
++ ns = nsproxy->mnt_ns;
++ if (!ns)
++ goto skip_ns;
++
++ length += vx_info_mnt_namespace(ns, buffer + length);
++
++skip_ns:
++
++ uts = nsproxy->uts_ns;
++ if (!uts)
++ goto skip_uts;
++
++ length += sprintf(buffer + length,
++ "SysName:\t%.*s\n"
++ "NodeName:\t%.*s\n"
++ "Release:\t%.*s\n"
++ "Version:\t%.*s\n"
++ "Machine:\t%.*s\n"
++ "DomainName:\t%.*s\n",
++ __NEW_UTS_LEN, uts->name.sysname,
++ __NEW_UTS_LEN, uts->name.nodename,
++ __NEW_UTS_LEN, uts->name.release,
++ __NEW_UTS_LEN, uts->name.version,
++ __NEW_UTS_LEN, uts->name.machine,
++ __NEW_UTS_LEN, uts->name.domainname);
++skip_uts:
++
++ ipc = nsproxy->ipc_ns;
++ if (!ipc)
++ goto skip_ipc;
++
++ length += sprintf(buffer + length,
++ "SEMS:\t\t%d %d %d %d %d\n"
++ "MSG:\t\t%d %d %d\n"
++ "SHM:\t\t%lu %lu %d %d\n",
++ ipc->sem_ctls[0], ipc->sem_ctls[1],
++ ipc->sem_ctls[2], ipc->sem_ctls[3],
++ ipc->used_sems,
++ ipc->msg_ctlmax, ipc->msg_ctlmnb, ipc->msg_ctlmni,
++ (unsigned long)ipc->shm_ctlmax,
++ (unsigned long)ipc->shm_ctlall,
++ ipc->shm_ctlmni, ipc->shm_tot);
++skip_ipc:
++out:
++ return length;
++}
++
++
++#include <linux/sched.h>
++
++#define LOAD_INT(x) ((x) >> FSHIFT)
++#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1 - 1)) * 100)
++
++static inline
++int vx_info_proc_cvirt(struct _vx_cvirt *cvirt, char *buffer)
++{
++ int length = 0;
++ int a, b, c;
++
++ length += sprintf(buffer + length,
++ "BiasUptime:\t%lu.%02lu\n",
++ (unsigned long)cvirt->bias_uptime.tv_sec,
++ (cvirt->bias_uptime.tv_nsec / (NSEC_PER_SEC / 100)));
++
++ a = cvirt->load[0] + (FIXED_1 / 200);
++ b = cvirt->load[1] + (FIXED_1 / 200);
++ c = cvirt->load[2] + (FIXED_1 / 200);
++ length += sprintf(buffer + length,
++ "nr_threads:\t%d\n"
++ "nr_running:\t%d\n"
++ "nr_unintr:\t%d\n"
++ "nr_onhold:\t%d\n"
++ "load_updates:\t%d\n"
++ "loadavg:\t%d.%02d %d.%02d %d.%02d\n"
++ "total_forks:\t%d\n",
++ atomic_read(&cvirt->nr_threads),
++ atomic_read(&cvirt->nr_running),
++ atomic_read(&cvirt->nr_uninterruptible),
++ atomic_read(&cvirt->nr_onhold),
++ atomic_read(&cvirt->load_updates),
++ LOAD_INT(a), LOAD_FRAC(a),
++ LOAD_INT(b), LOAD_FRAC(b),
++ LOAD_INT(c), LOAD_FRAC(c),
++ atomic_read(&cvirt->total_forks));
++ return length;
++}
++
++static inline
++int vx_info_proc_cvirt_pc(struct _vx_cvirt_pc *cvirt_pc,
++ char *buffer, int cpu)
++{
++ int length = 0;
++ return length;
++}
++
++#endif /* _VX_CVIRT_PROC_H */
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/debug.c linux-3.7.10-vs2.3.5.6/kernel/vserver/debug.c
+--- linux-3.7.10/kernel/vserver/debug.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/debug.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,32 @@
++/*
++ * kernel/vserver/debug.c
++ *
++ * Copyright (C) 2005-2007 Herbert Pötzl
++ *
++ * V0.01 vx_info dump support
++ *
++ */
++
++#include <linux/module.h>
++
++#include <linux/vserver/context.h>
++
++
++void dump_vx_info(struct vx_info *vxi, int level)
++{
++ printk("vx_info %p[#%d, %d.%d, %4x]\n", vxi, vxi->vx_id,
++ atomic_read(&vxi->vx_usecnt),
++ atomic_read(&vxi->vx_tasks),
++ vxi->vx_state);
++ if (level > 0) {
++ __dump_vx_limit(&vxi->limit);
++ __dump_vx_sched(&vxi->sched);
++ __dump_vx_cvirt(&vxi->cvirt);
++ __dump_vx_cacct(&vxi->cacct);
++ }
++ printk("---\n");
++}
++
++
++EXPORT_SYMBOL_GPL(dump_vx_info);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/device.c linux-3.7.10-vs2.3.5.6/kernel/vserver/device.c
+--- linux-3.7.10/kernel/vserver/device.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/device.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,443 @@
++/*
++ * linux/kernel/vserver/device.c
++ *
++ * Linux-VServer: Device Support
++ *
++ * Copyright (C) 2006 Herbert Pötzl
++ * Copyright (C) 2007 Daniel Hokka Zakrisson
++ *
++ * V0.01 device mapping basics
++ * V0.02 added defaults
++ *
++ */
++
++#include <linux/slab.h>
++#include <linux/rcupdate.h>
++#include <linux/fs.h>
++#include <linux/namei.h>
++#include <linux/hash.h>
++
++#include <asm/errno.h>
++#include <asm/uaccess.h>
++#include <linux/vserver/base.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/context.h>
++#include <linux/vserver/device.h>
++#include <linux/vserver/device_cmd.h>
++
++
++#define DMAP_HASH_BITS 4
++
++
++struct vs_mapping {
++ union {
++ struct hlist_node hlist;
++ struct list_head list;
++ } u;
++#define dm_hlist u.hlist
++#define dm_list u.list
++ xid_t xid;
++ dev_t device;
++ struct vx_dmap_target target;
++};
++
++
++static struct hlist_head dmap_main_hash[1 << DMAP_HASH_BITS];
++
++static DEFINE_SPINLOCK(dmap_main_hash_lock);
++
++static struct vx_dmap_target dmap_defaults[2] = {
++ { .flags = DATTR_OPEN },
++ { .flags = DATTR_OPEN },
++};
++
++
++struct kmem_cache *dmap_cachep __read_mostly;
++
++int __init dmap_cache_init(void)
++{
++ dmap_cachep = kmem_cache_create("dmap_cache",
++ sizeof(struct vs_mapping), 0,
++ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
++ return 0;
++}
++
++__initcall(dmap_cache_init);
++
++
++static inline unsigned int __hashval(dev_t dev, int bits)
++{
++ return hash_long((unsigned long)dev, bits);
++}
++
++
++/* __hash_mapping()
++ * add the mapping to the hash table
++ */
++static inline void __hash_mapping(struct vx_info *vxi, struct vs_mapping *vdm)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ struct hlist_head *head, *hash = dmap_main_hash;
++ int device = vdm->device;
++
++ spin_lock(hash_lock);
++ vxdprintk(VXD_CBIT(misc, 8), "__hash_mapping: %p[#%d] %08x:%08x",
++ vxi, vxi ? vxi->vx_id : 0, device, vdm->target.target);
++
++ head = &hash[__hashval(device, DMAP_HASH_BITS)];
++ hlist_add_head(&vdm->dm_hlist, head);
++ spin_unlock(hash_lock);
++}
++
++
++static inline int __mode_to_default(umode_t mode)
++{
++ switch (mode) {
++ case S_IFBLK:
++ return 0;
++ case S_IFCHR:
++ return 1;
++ default:
++ BUG();
++ }
++}
++
++
++/* __set_default()
++ * set a default
++ */
++static inline void __set_default(struct vx_info *vxi, umode_t mode,
++ struct vx_dmap_target *vdmt)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ spin_lock(hash_lock);
++
++ if (vxi)
++ vxi->dmap.targets[__mode_to_default(mode)] = *vdmt;
++ else
++ dmap_defaults[__mode_to_default(mode)] = *vdmt;
++
++
++ spin_unlock(hash_lock);
++
++ vxdprintk(VXD_CBIT(misc, 8), "__set_default: %p[#%u] %08x %04x",
++ vxi, vxi ? vxi->vx_id : 0, vdmt->target, vdmt->flags);
++}
++
++
++/* __remove_default()
++ * remove a default
++ */
++static inline int __remove_default(struct vx_info *vxi, umode_t mode)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ spin_lock(hash_lock);
++
++ if (vxi)
++ vxi->dmap.targets[__mode_to_default(mode)].flags = 0;
++ else /* remove == reset */
++ dmap_defaults[__mode_to_default(mode)].flags = DATTR_OPEN | mode;
++
++ spin_unlock(hash_lock);
++ return 0;
++}
++
++
++/* __find_mapping()
++ * find a mapping in the hash table
++ *
++ * caller must hold hash_lock
++ */
++static inline int __find_mapping(xid_t xid, dev_t device, umode_t mode,
++ struct vs_mapping **local, struct vs_mapping **global)
++{
++ struct hlist_head *hash = dmap_main_hash;
++ struct hlist_head *head = &hash[__hashval(device, DMAP_HASH_BITS)];
++ struct hlist_node *pos;
++ struct vs_mapping *vdm;
++
++ *local = NULL;
++ if (global)
++ *global = NULL;
++
++ hlist_for_each(pos, head) {
++ vdm = hlist_entry(pos, struct vs_mapping, dm_hlist);
++
++ if ((vdm->device == device) &&
++ !((vdm->target.flags ^ mode) & S_IFMT)) {
++ if (vdm->xid == xid) {
++ *local = vdm;
++ return 1;
++ } else if (global && vdm->xid == 0)
++ *global = vdm;
++ }
++ }
++
++ if (global && *global)
++ return 0;
++ else
++ return -ENOENT;
++}
++
++
++/* __lookup_mapping()
++ * find a mapping and store the result in target and flags
++ */
++static inline int __lookup_mapping(struct vx_info *vxi,
++ dev_t device, dev_t *target, int *flags, umode_t mode)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ struct vs_mapping *vdm, *global;
++ struct vx_dmap_target *vdmt;
++ int ret = 0;
++ xid_t xid = vxi->vx_id;
++ int index;
++
++ spin_lock(hash_lock);
++ if (__find_mapping(xid, device, mode, &vdm, &global) > 0) {
++ ret = 1;
++ vdmt = &vdm->target;
++ goto found;
++ }
++
++ index = __mode_to_default(mode);
++ if (vxi && vxi->dmap.targets[index].flags) {
++ ret = 2;
++ vdmt = &vxi->dmap.targets[index];
++ } else if (global) {
++ ret = 3;
++ vdmt = &global->target;
++ goto found;
++ } else {
++ ret = 4;
++ vdmt = &dmap_defaults[index];
++ }
++
++found:
++ if (target && (vdmt->flags & DATTR_REMAP))
++ *target = vdmt->target;
++ else if (target)
++ *target = device;
++ if (flags)
++ *flags = vdmt->flags;
++
++ spin_unlock(hash_lock);
++
++ return ret;
++}
++
++
++/* __remove_mapping()
++ * remove a mapping from the hash table
++ */
++static inline int __remove_mapping(struct vx_info *vxi, dev_t device,
++ umode_t mode)
++{
++ spinlock_t *hash_lock = &dmap_main_hash_lock;
++ struct vs_mapping *vdm = NULL;
++ int ret = 0;
++
++ spin_lock(hash_lock);
++
++ ret = __find_mapping((vxi ? vxi->vx_id : 0), device, mode, &vdm,
++ NULL);
++ vxdprintk(VXD_CBIT(misc, 8), "__remove_mapping: %p[#%d] %08x %04x",
++ vxi, vxi ? vxi->vx_id : 0, device, mode);
++ if (ret < 0)
++ goto out;
++ hlist_del(&vdm->dm_hlist);
++
++out:
++ spin_unlock(hash_lock);
++ if (vdm)
++ kmem_cache_free(dmap_cachep, vdm);
++ return ret;
++}
++
++
++
++int vs_map_device(struct vx_info *vxi,
++ dev_t device, dev_t *target, umode_t mode)
++{
++ int ret, flags = DATTR_MASK;
++
++ if (!vxi) {
++ if (target)
++ *target = device;
++ goto out;
++ }
++ ret = __lookup_mapping(vxi, device, target, &flags, mode);
++ vxdprintk(VXD_CBIT(misc, 8), "vs_map_device: %08x target: %08x flags: %04x mode: %04x mapped=%d",
++ device, target ? *target : 0, flags, mode, ret);
++out:
++ return (flags & DATTR_MASK);
++}
++
++
++
++static int do_set_mapping(struct vx_info *vxi,
++ dev_t device, dev_t target, int flags, umode_t mode)
++{
++ if (device) {
++ struct vs_mapping *new;
++
++ new = kmem_cache_alloc(dmap_cachep, GFP_KERNEL);
++ if (!new)
++ return -ENOMEM;
++
++ INIT_HLIST_NODE(&new->dm_hlist);
++ new->device = device;
++ new->target.target = target;
++ new->target.flags = flags | mode;
++ new->xid = (vxi ? vxi->vx_id : 0);
++
++ vxdprintk(VXD_CBIT(misc, 8), "do_set_mapping: %08x target: %08x flags: %04x", device, target, flags);
++ __hash_mapping(vxi, new);
++ } else {
++ struct vx_dmap_target new = {
++ .target = target,
++ .flags = flags | mode,
++ };
++ __set_default(vxi, mode, &new);
++ }
++ return 0;
++}
++
++
++static int do_unset_mapping(struct vx_info *vxi,
++ dev_t device, dev_t target, int flags, umode_t mode)
++{
++ int ret = -EINVAL;
++
++ if (device) {
++ ret = __remove_mapping(vxi, device, mode);
++ if (ret < 0)
++ goto out;
++ } else {
++ ret = __remove_default(vxi, mode);
++ if (ret < 0)
++ goto out;
++ }
++
++out:
++ return ret;
++}
++
++
++static inline int __user_device(const char __user *name, dev_t *dev,
++ umode_t *mode)
++{
++ struct nameidata nd;
++ int ret;
++
++ if (!name) {
++ *dev = 0;
++ return 0;
++ }
++ ret = user_lpath(name, &nd.path);
++ if (ret)
++ return ret;
++ if (nd.path.dentry->d_inode) {
++ *dev = nd.path.dentry->d_inode->i_rdev;
++ *mode = nd.path.dentry->d_inode->i_mode;
++ }
++ path_put(&nd.path);
++ return 0;
++}
++
++static inline int __mapping_mode(dev_t device, dev_t target,
++ umode_t device_mode, umode_t target_mode, umode_t *mode)
++{
++ if (device)
++ *mode = device_mode & S_IFMT;
++ else if (target)
++ *mode = target_mode & S_IFMT;
++ else
++ return -EINVAL;
++
++ /* if both given, device and target mode have to match */
++ if (device && target &&
++ ((device_mode ^ target_mode) & S_IFMT))
++ return -EINVAL;
++ return 0;
++}
++
++
++static inline int do_mapping(struct vx_info *vxi, const char __user *device_path,
++ const char __user *target_path, int flags, int set)
++{
++ dev_t device = ~0, target = ~0;
++ umode_t device_mode = 0, target_mode = 0, mode;
++ int ret;
++
++ ret = __user_device(device_path, &device, &device_mode);
++ if (ret)
++ return ret;
++ ret = __user_device(target_path, &target, &target_mode);
++ if (ret)
++ return ret;
++
++ ret = __mapping_mode(device, target,
++ device_mode, target_mode, &mode);
++ if (ret)
++ return ret;
++
++ if (set)
++ return do_set_mapping(vxi, device, target,
++ flags, mode);
++ else
++ return do_unset_mapping(vxi, device, target,
++ flags, mode);
++}
++
++
++int vc_set_mapping(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, vc_data.device, vc_data.target,
++ vc_data.flags, 1);
++}
++
++int vc_unset_mapping(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, vc_data.device, vc_data.target,
++ vc_data.flags, 0);
++}
++
++
++#ifdef CONFIG_COMPAT
++
++int vc_set_mapping_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, compat_ptr(vc_data.device_ptr),
++ compat_ptr(vc_data.target_ptr), vc_data.flags, 1);
++}
++
++int vc_unset_mapping_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_set_mapping_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_mapping(vxi, compat_ptr(vc_data.device_ptr),
++ compat_ptr(vc_data.target_ptr), vc_data.flags, 0);
++}
++
++#endif /* CONFIG_COMPAT */
++
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/dlimit.c linux-3.7.10-vs2.3.5.6/kernel/vserver/dlimit.c
+--- linux-3.7.10/kernel/vserver/dlimit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/dlimit.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,531 @@
++/*
++ * linux/kernel/vserver/dlimit.c
++ *
++ * Virtual Server: Context Disk Limits
++ *
++ * Copyright (C) 2004-2009 Herbert Pötzl
++ *
++ * V0.01 initial version
++ * V0.02 compat32 splitup
++ * V0.03 extended interface
++ *
++ */
++
++#include <linux/statfs.h>
++#include <linux/sched.h>
++#include <linux/namei.h>
++#include <linux/vs_tag.h>
++#include <linux/vs_dlimit.h>
++#include <linux/vserver/dlimit_cmd.h>
++#include <linux/slab.h>
++// #include <linux/gfp.h>
++
++#include <asm/uaccess.h>
++
++/* __alloc_dl_info()
++
++ * allocate an initialized dl_info struct
++ * doesn't make it visible (hash) */
++
++static struct dl_info *__alloc_dl_info(struct super_block *sb, tag_t tag)
++{
++ struct dl_info *new = NULL;
++
++ vxdprintk(VXD_CBIT(dlim, 5),
++ "alloc_dl_info(%p,%d)*", sb, tag);
++
++ /* would this benefit from a slab cache? */
++ new = kmalloc(sizeof(struct dl_info), GFP_KERNEL);
++ if (!new)
++ return 0;
++
++ memset(new, 0, sizeof(struct dl_info));
++ new->dl_tag = tag;
++ new->dl_sb = sb;
++ // INIT_RCU_HEAD(&new->dl_rcu);
++ INIT_HLIST_NODE(&new->dl_hlist);
++ spin_lock_init(&new->dl_lock);
++ atomic_set(&new->dl_refcnt, 0);
++ atomic_set(&new->dl_usecnt, 0);
++
++ /* rest of init goes here */
++
++ vxdprintk(VXD_CBIT(dlim, 4),
++ "alloc_dl_info(%p,%d) = %p", sb, tag, new);
++ return new;
++}
++
++/* __dealloc_dl_info()
++
++ * final disposal of dl_info */
++
++static void __dealloc_dl_info(struct dl_info *dli)
++{
++ vxdprintk(VXD_CBIT(dlim, 4),
++ "dealloc_dl_info(%p)", dli);
++
++ dli->dl_hlist.next = LIST_POISON1;
++ dli->dl_tag = -1;
++ dli->dl_sb = 0;
++
++ BUG_ON(atomic_read(&dli->dl_usecnt));
++ BUG_ON(atomic_read(&dli->dl_refcnt));
++
++ kfree(dli);
++}
++
++
++/* hash table for dl_info hash */
++
++#define DL_HASH_SIZE 13
++
++struct hlist_head dl_info_hash[DL_HASH_SIZE];
++
++static DEFINE_SPINLOCK(dl_info_hash_lock);
++
++
++static inline unsigned int __hashval(struct super_block *sb, tag_t tag)
++{
++ return ((tag ^ (unsigned long)sb) % DL_HASH_SIZE);
++}
++
++
++
++/* __hash_dl_info()
++
++ * add the dli to the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __hash_dl_info(struct dl_info *dli)
++{
++ struct hlist_head *head;
++
++ vxdprintk(VXD_CBIT(dlim, 6),
++ "__hash_dl_info: %p[#%d]", dli, dli->dl_tag);
++ get_dl_info(dli);
++ head = &dl_info_hash[__hashval(dli->dl_sb, dli->dl_tag)];
++ hlist_add_head_rcu(&dli->dl_hlist, head);
++}
++
++/* __unhash_dl_info()
++
++ * remove the dli from the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __unhash_dl_info(struct dl_info *dli)
++{
++ vxdprintk(VXD_CBIT(dlim, 6),
++ "__unhash_dl_info: %p[#%d]", dli, dli->dl_tag);
++ hlist_del_rcu(&dli->dl_hlist);
++ put_dl_info(dli);
++}
++
++
++/* __lookup_dl_info()
++
++ * requires the rcu_read_lock()
++ * doesn't increment the dl_refcnt */
++
++static inline struct dl_info *__lookup_dl_info(struct super_block *sb, tag_t tag)
++{
++ struct hlist_head *head = &dl_info_hash[__hashval(sb, tag)];
++ struct hlist_node *pos;
++ struct dl_info *dli;
++
++ hlist_for_each_entry_rcu(dli, pos, head, dl_hlist) {
++
++ if (dli->dl_tag == tag && dli->dl_sb == sb) {
++ return dli;
++ }
++ }
++ return NULL;
++}
++
++
++struct dl_info *locate_dl_info(struct super_block *sb, tag_t tag)
++{
++ struct dl_info *dli;
++
++ rcu_read_lock();
++ dli = get_dl_info(__lookup_dl_info(sb, tag));
++ vxdprintk(VXD_CBIT(dlim, 7),
++ "locate_dl_info(%p,#%d) = %p", sb, tag, dli);
++ rcu_read_unlock();
++ return dli;
++}
++
++void rcu_free_dl_info(struct rcu_head *head)
++{
++ struct dl_info *dli = container_of(head, struct dl_info, dl_rcu);
++ int usecnt, refcnt;
++
++ BUG_ON(!dli || !head);
++
++ usecnt = atomic_read(&dli->dl_usecnt);
++ BUG_ON(usecnt < 0);
++
++ refcnt = atomic_read(&dli->dl_refcnt);
++ BUG_ON(refcnt < 0);
++
++ vxdprintk(VXD_CBIT(dlim, 3),
++ "rcu_free_dl_info(%p)", dli);
++ if (!usecnt)
++ __dealloc_dl_info(dli);
++ else
++ printk("!!! rcu didn't free\n");
++}
++
++
++
++
++static int do_addrem_dlimit(uint32_t id, const char __user *name,
++ uint32_t flags, int add)
++{
++ struct path path;
++ int ret;
++
++ ret = user_lpath(name, &path);
++ if (!ret) {
++ struct super_block *sb;
++ struct dl_info *dli;
++
++ ret = -EINVAL;
++ if (!path.dentry->d_inode)
++ goto out_release;
++ if (!(sb = path.dentry->d_inode->i_sb))
++ goto out_release;
++
++ if (add) {
++ dli = __alloc_dl_info(sb, id);
++ spin_lock(&dl_info_hash_lock);
++
++ ret = -EEXIST;
++ if (__lookup_dl_info(sb, id))
++ goto out_unlock;
++ __hash_dl_info(dli);
++ dli = NULL;
++ } else {
++ spin_lock(&dl_info_hash_lock);
++ dli = __lookup_dl_info(sb, id);
++
++ ret = -ESRCH;
++ if (!dli)
++ goto out_unlock;
++ __unhash_dl_info(dli);
++ }
++ ret = 0;
++ out_unlock:
++ spin_unlock(&dl_info_hash_lock);
++ if (add && dli)
++ __dealloc_dl_info(dli);
++ out_release:
++ path_put(&path);
++ }
++ return ret;
++}
++
++int vc_add_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id, vc_data.name, vc_data.flags, 1);
++}
++
++int vc_rem_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id, vc_data.name, vc_data.flags, 0);
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_add_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id,
++ compat_ptr(vc_data.name_ptr), vc_data.flags, 1);
++}
++
++int vc_rem_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_base_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_addrem_dlimit(id,
++ compat_ptr(vc_data.name_ptr), vc_data.flags, 0);
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++static inline
++int do_set_dlimit(uint32_t id, const char __user *name,
++ uint32_t space_used, uint32_t space_total,
++ uint32_t inodes_used, uint32_t inodes_total,
++ uint32_t reserved, uint32_t flags)
++{
++ struct path path;
++ int ret;
++
++ ret = user_lpath(name, &path);
++ if (!ret) {
++ struct super_block *sb;
++ struct dl_info *dli;
++
++ ret = -EINVAL;
++ if (!path.dentry->d_inode)
++ goto out_release;
++ if (!(sb = path.dentry->d_inode->i_sb))
++ goto out_release;
++
++ /* sanity checks */
++ if ((reserved != CDLIM_KEEP &&
++ reserved > 100) ||
++ (inodes_used != CDLIM_KEEP &&
++ inodes_used > inodes_total) ||
++ (space_used != CDLIM_KEEP &&
++ space_used > space_total))
++ goto out_release;
++
++ ret = -ESRCH;
++ dli = locate_dl_info(sb, id);
++ if (!dli)
++ goto out_release;
++
++ spin_lock(&dli->dl_lock);
++
++ if (inodes_used != CDLIM_KEEP)
++ dli->dl_inodes_used = inodes_used;
++ if (inodes_total != CDLIM_KEEP)
++ dli->dl_inodes_total = inodes_total;
++ if (space_used != CDLIM_KEEP)
++ dli->dl_space_used = dlimit_space_32to64(
++ space_used, flags, DLIMS_USED);
++
++ if (space_total == CDLIM_INFINITY)
++ dli->dl_space_total = DLIM_INFINITY;
++ else if (space_total != CDLIM_KEEP)
++ dli->dl_space_total = dlimit_space_32to64(
++ space_total, flags, DLIMS_TOTAL);
++
++ if (reserved != CDLIM_KEEP)
++ dli->dl_nrlmult = (1 << 10) * (100 - reserved) / 100;
++
++ spin_unlock(&dli->dl_lock);
++
++ put_dl_info(dli);
++ ret = 0;
++
++ out_release:
++ path_put(&path);
++ }
++ return ret;
++}
++
++int vc_set_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_dlimit(id, vc_data.name,
++ vc_data.space_used, vc_data.space_total,
++ vc_data.inodes_used, vc_data.inodes_total,
++ vc_data.reserved, vc_data.flags);
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_set_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_dlimit(id, compat_ptr(vc_data.name_ptr),
++ vc_data.space_used, vc_data.space_total,
++ vc_data.inodes_used, vc_data.inodes_total,
++ vc_data.reserved, vc_data.flags);
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++static inline
++int do_get_dlimit(uint32_t id, const char __user *name,
++ uint32_t *space_used, uint32_t *space_total,
++ uint32_t *inodes_used, uint32_t *inodes_total,
++ uint32_t *reserved, uint32_t *flags)
++{
++ struct path path;
++ int ret;
++
++ ret = user_lpath(name, &path);
++ if (!ret) {
++ struct super_block *sb;
++ struct dl_info *dli;
++
++ ret = -EINVAL;
++ if (!path.dentry->d_inode)
++ goto out_release;
++ if (!(sb = path.dentry->d_inode->i_sb))
++ goto out_release;
++
++ ret = -ESRCH;
++ dli = locate_dl_info(sb, id);
++ if (!dli)
++ goto out_release;
++
++ spin_lock(&dli->dl_lock);
++ *inodes_used = dli->dl_inodes_used;
++ *inodes_total = dli->dl_inodes_total;
++
++ *space_used = dlimit_space_64to32(
++ dli->dl_space_used, flags, DLIMS_USED);
++
++ if (dli->dl_space_total == DLIM_INFINITY)
++ *space_total = CDLIM_INFINITY;
++ else
++ *space_total = dlimit_space_64to32(
++ dli->dl_space_total, flags, DLIMS_TOTAL);
++
++ *reserved = 100 - ((dli->dl_nrlmult * 100 + 512) >> 10);
++ spin_unlock(&dli->dl_lock);
++
++ put_dl_info(dli);
++ ret = -EFAULT;
++
++ ret = 0;
++ out_release:
++ path_put(&path);
++ }
++ return ret;
++}
++
++
++int vc_get_dlimit(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_dlimit(id, vc_data.name,
++ &vc_data.space_used, &vc_data.space_total,
++ &vc_data.inodes_used, &vc_data.inodes_total,
++ &vc_data.reserved, &vc_data.flags);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_get_dlimit_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_ctx_dlimit_v0_x32 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_dlimit(id, compat_ptr(vc_data.name_ptr),
++ &vc_data.space_used, &vc_data.space_total,
++ &vc_data.inodes_used, &vc_data.inodes_total,
++ &vc_data.reserved, &vc_data.flags);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++void vx_vsi_statfs(struct super_block *sb, struct kstatfs *buf)
++{
++ struct dl_info *dli;
++ __u64 blimit, bfree, bavail;
++ __u32 ifree;
++
++ dli = locate_dl_info(sb, dx_current_tag());
++ if (!dli)
++ return;
++
++ spin_lock(&dli->dl_lock);
++ if (dli->dl_inodes_total == (unsigned long)DLIM_INFINITY)
++ goto no_ilim;
++
++ /* reduce max inodes available to limit */
++ if (buf->f_files > dli->dl_inodes_total)
++ buf->f_files = dli->dl_inodes_total;
++
++ ifree = dli->dl_inodes_total - dli->dl_inodes_used;
++ /* reduce free inodes to min */
++ if (ifree < buf->f_ffree)
++ buf->f_ffree = ifree;
++
++no_ilim:
++ if (dli->dl_space_total == DLIM_INFINITY)
++ goto no_blim;
++
++ blimit = dli->dl_space_total >> sb->s_blocksize_bits;
++
++ if (dli->dl_space_total < dli->dl_space_used)
++ bfree = 0;
++ else
++ bfree = (dli->dl_space_total - dli->dl_space_used)
++ >> sb->s_blocksize_bits;
++
++ bavail = ((dli->dl_space_total >> 10) * dli->dl_nrlmult);
++ if (bavail < dli->dl_space_used)
++ bavail = 0;
++ else
++ bavail = (bavail - dli->dl_space_used)
++ >> sb->s_blocksize_bits;
++
++ /* reduce max space available to limit */
++ if (buf->f_blocks > blimit)
++ buf->f_blocks = blimit;
++
++ /* reduce free space to min */
++ if (bfree < buf->f_bfree)
++ buf->f_bfree = bfree;
++
++ /* reduce avail space to min */
++ if (bavail < buf->f_bavail)
++ buf->f_bavail = bavail;
++
++no_blim:
++ spin_unlock(&dli->dl_lock);
++ put_dl_info(dli);
++
++ return;
++}
++
++#include <linux/module.h>
++
++EXPORT_SYMBOL_GPL(locate_dl_info);
++EXPORT_SYMBOL_GPL(rcu_free_dl_info);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/helper.c linux-3.7.10-vs2.3.5.6/kernel/vserver/helper.c
+--- linux-3.7.10/kernel/vserver/helper.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/helper.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,229 @@
++/*
++ * linux/kernel/vserver/helper.c
++ *
++ * Virtual Context Support
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic helper
++ *
++ */
++
++#include <linux/kmod.h>
++#include <linux/reboot.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vserver/signal.h>
++
++
++char vshelper_path[255] = "/sbin/vshelper";
++
++static int vshelper_init(struct subprocess_info *info, struct cred *new_cred)
++{
++ current->flags &= ~PF_THREAD_BOUND;
++ return 0;
++}
++
++static int do_vshelper(char *name, char *argv[], char *envp[], int sync)
++{
++ int ret;
++
++ if ((ret = call_usermodehelper_fns(name, argv, envp,
++ sync ? UMH_WAIT_PROC : UMH_WAIT_EXEC,
++ vshelper_init, NULL, NULL))) {
++ printk(KERN_WARNING "%s: (%s %s) returned %s with %d\n",
++ name, argv[1], argv[2],
++ sync ? "sync" : "async", ret);
++ }
++ vxdprintk(VXD_CBIT(switch, 4),
++ "%s: (%s %s) returned %s with %d",
++ name, argv[1], argv[2], sync ? "sync" : "async", ret);
++ return ret;
++}
++
++/*
++ * vshelper path is set via /proc/sys
++ * invoked by vserver sys_reboot(), with
++ * the following arguments
++ *
++ * argv [0] = vshelper_path;
++ * argv [1] = action: "restart", "halt", "poweroff", ...
++ * argv [2] = context identifier
++ *
++ * envp [*] = type-specific parameters
++ */
++
++long vs_reboot_helper(struct vx_info *vxi, int cmd, void __user *arg)
++{
++ char id_buf[8], cmd_buf[16];
++ char uid_buf[16], pid_buf[16];
++ int ret;
++
++ char *argv[] = {vshelper_path, NULL, id_buf, 0};
++ char *envp[] = {"HOME=/", "TERM=linux",
++ "PATH=/sbin:/usr/sbin:/bin:/usr/bin",
++ uid_buf, pid_buf, cmd_buf, 0};
++
++ if (vx_info_state(vxi, VXS_HELPER))
++ return -EAGAIN;
++ vxi->vx_state |= VXS_HELPER;
++
++ snprintf(id_buf, sizeof(id_buf), "%d", vxi->vx_id);
++
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
++ snprintf(uid_buf, sizeof(uid_buf), "VS_UID=%d", current_uid());
++ snprintf(pid_buf, sizeof(pid_buf), "VS_PID=%d", current->pid);
++
++ switch (cmd) {
++ case LINUX_REBOOT_CMD_RESTART:
++ argv[1] = "restart";
++ break;
++
++ case LINUX_REBOOT_CMD_HALT:
++ argv[1] = "halt";
++ break;
++
++ case LINUX_REBOOT_CMD_POWER_OFF:
++ argv[1] = "poweroff";
++ break;
++
++ case LINUX_REBOOT_CMD_SW_SUSPEND:
++ argv[1] = "swsusp";
++ break;
++
++ case LINUX_REBOOT_CMD_OOM:
++ argv[1] = "oom";
++ break;
++
++ default:
++ vxi->vx_state &= ~VXS_HELPER;
++ return 0;
++ }
++
++ ret = do_vshelper(vshelper_path, argv, envp, 0);
++ vxi->vx_state &= ~VXS_HELPER;
++ __wakeup_vx_info(vxi);
++ return (ret) ? -EPERM : 0;
++}
++
++
++long vs_reboot(unsigned int cmd, void __user *arg)
++{
++ struct vx_info *vxi = current_vx_info();
++ long ret = 0;
++
++ vxdprintk(VXD_CBIT(misc, 5),
++ "vs_reboot(%p[#%d],%u)",
++ vxi, vxi ? vxi->vx_id : 0, cmd);
++
++ ret = vs_reboot_helper(vxi, cmd, arg);
++ if (ret)
++ return ret;
++
++ vxi->reboot_cmd = cmd;
++ if (vx_info_flags(vxi, VXF_REBOOT_KILL, 0)) {
++ switch (cmd) {
++ case LINUX_REBOOT_CMD_RESTART:
++ case LINUX_REBOOT_CMD_HALT:
++ case LINUX_REBOOT_CMD_POWER_OFF:
++ vx_info_kill(vxi, 0, SIGKILL);
++ vx_info_kill(vxi, 1, SIGKILL);
++ default:
++ break;
++ }
++ }
++ return 0;
++}
++
++long vs_oom_action(unsigned int cmd)
++{
++ struct vx_info *vxi = current_vx_info();
++ long ret = 0;
++
++ vxdprintk(VXD_CBIT(misc, 5),
++ "vs_oom_action(%p[#%d],%u)",
++ vxi, vxi ? vxi->vx_id : 0, cmd);
++
++ ret = vs_reboot_helper(vxi, cmd, NULL);
++ if (ret)
++ return ret;
++
++ vxi->reboot_cmd = cmd;
++ if (vx_info_flags(vxi, VXF_REBOOT_KILL, 0)) {
++ vx_info_kill(vxi, 0, SIGKILL);
++ vx_info_kill(vxi, 1, SIGKILL);
++ }
++ return 0;
++}
++
++/*
++ * argv [0] = vshelper_path;
++ * argv [1] = action: "startup", "shutdown"
++ * argv [2] = context identifier
++ *
++ * envp [*] = type-specific parameters
++ */
++
++long vs_state_change(struct vx_info *vxi, unsigned int cmd)
++{
++ char id_buf[8], cmd_buf[16];
++ char *argv[] = {vshelper_path, NULL, id_buf, 0};
++ char *envp[] = {"HOME=/", "TERM=linux",
++ "PATH=/sbin:/usr/sbin:/bin:/usr/bin", cmd_buf, 0};
++
++ if (!vx_info_flags(vxi, VXF_SC_HELPER, 0))
++ return 0;
++
++ snprintf(id_buf, sizeof(id_buf), "%d", vxi->vx_id);
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
++
++ switch (cmd) {
++ case VSC_STARTUP:
++ argv[1] = "startup";
++ break;
++ case VSC_SHUTDOWN:
++ argv[1] = "shutdown";
++ break;
++ default:
++ return 0;
++ }
++
++ return do_vshelper(vshelper_path, argv, envp, 1);
++}
++
++
++/*
++ * argv [0] = vshelper_path;
++ * argv [1] = action: "netup", "netdown"
++ * argv [2] = context identifier
++ *
++ * envp [*] = type-specific parameters
++ */
++
++long vs_net_change(struct nx_info *nxi, unsigned int cmd)
++{
++ char id_buf[8], cmd_buf[16];
++ char *argv[] = {vshelper_path, NULL, id_buf, 0};
++ char *envp[] = {"HOME=/", "TERM=linux",
++ "PATH=/sbin:/usr/sbin:/bin:/usr/bin", cmd_buf, 0};
++
++ if (!nx_info_flags(nxi, NXF_SC_HELPER, 0))
++ return 0;
++
++ snprintf(id_buf, sizeof(id_buf), "%d", nxi->nx_id);
++ snprintf(cmd_buf, sizeof(cmd_buf), "VS_CMD=%08x", cmd);
++
++ switch (cmd) {
++ case VSC_NETUP:
++ argv[1] = "netup";
++ break;
++ case VSC_NETDOWN:
++ argv[1] = "netdown";
++ break;
++ default:
++ return 0;
++ }
++
++ return do_vshelper(vshelper_path, argv, envp, 1);
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/history.c linux-3.7.10-vs2.3.5.6/kernel/vserver/history.c
+--- linux-3.7.10/kernel/vserver/history.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/history.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,258 @@
++/*
++ * kernel/vserver/history.c
++ *
++ * Virtual Context History Backtrace
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ * V0.02 hash/unhash and trace
++ * V0.03 preemption fixes
++ *
++ */
++
++#include <linux/module.h>
++#include <asm/uaccess.h>
++
++#include <linux/vserver/context.h>
++#include <linux/vserver/debug.h>
++#include <linux/vserver/debug_cmd.h>
++#include <linux/vserver/history.h>
++
++
++#ifdef CONFIG_VSERVER_HISTORY
++#define VXH_SIZE CONFIG_VSERVER_HISTORY_SIZE
++#else
++#define VXH_SIZE 64
++#endif
++
++struct _vx_history {
++ unsigned int counter;
++
++ struct _vx_hist_entry entry[VXH_SIZE + 1];
++};
++
++
++DEFINE_PER_CPU(struct _vx_history, vx_history_buffer);
++
++unsigned volatile int vxh_active = 1;
++
++static atomic_t sequence = ATOMIC_INIT(0);
++
++
++/* vxh_advance()
++
++ * requires disabled preemption */
++
++struct _vx_hist_entry *vxh_advance(void *loc)
++{
++ unsigned int cpu = smp_processor_id();
++ struct _vx_history *hist = &per_cpu(vx_history_buffer, cpu);
++ struct _vx_hist_entry *entry;
++ unsigned int index;
++
++ index = vxh_active ? (hist->counter++ % VXH_SIZE) : VXH_SIZE;
++ entry = &hist->entry[index];
++
++ entry->seq = atomic_inc_return(&sequence);
++ entry->loc = loc;
++ return entry;
++}
++
++EXPORT_SYMBOL_GPL(vxh_advance);
++
++
++#define VXH_LOC_FMTS "(#%04x,*%d):%p"
++
++#define VXH_LOC_ARGS(e) (e)->seq, cpu, (e)->loc
++
++
++#define VXH_VXI_FMTS "%p[#%d,%d.%d]"
++
++#define VXH_VXI_ARGS(e) (e)->vxi.ptr, \
++ (e)->vxi.ptr ? (e)->vxi.xid : 0, \
++ (e)->vxi.ptr ? (e)->vxi.usecnt : 0, \
++ (e)->vxi.ptr ? (e)->vxi.tasks : 0
++
++void vxh_dump_entry(struct _vx_hist_entry *e, unsigned cpu)
++{
++ switch (e->type) {
++ case VXH_THROW_OOPS:
++ printk( VXH_LOC_FMTS " oops \n", VXH_LOC_ARGS(e));
++ break;
++
++ case VXH_GET_VX_INFO:
++ case VXH_PUT_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_GET_VX_INFO) ? "get" : "put",
++ VXH_VXI_ARGS(e));
++ break;
++
++ case VXH_INIT_VX_INFO:
++ case VXH_SET_VX_INFO:
++ case VXH_CLR_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS " @%p\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_INIT_VX_INFO) ? "init" :
++ ((e->type == VXH_SET_VX_INFO) ? "set" : "clr"),
++ VXH_VXI_ARGS(e), e->sc.data);
++ break;
++
++ case VXH_CLAIM_VX_INFO:
++ case VXH_RELEASE_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS " @%p\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_CLAIM_VX_INFO) ? "claim" : "release",
++ VXH_VXI_ARGS(e), e->sc.data);
++ break;
++
++ case VXH_ALLOC_VX_INFO:
++ case VXH_DEALLOC_VX_INFO:
++ printk( VXH_LOC_FMTS " %s_vx_info " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_ALLOC_VX_INFO) ? "alloc" : "dealloc",
++ VXH_VXI_ARGS(e));
++ break;
++
++ case VXH_HASH_VX_INFO:
++ case VXH_UNHASH_VX_INFO:
++ printk( VXH_LOC_FMTS " __%s_vx_info " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_HASH_VX_INFO) ? "hash" : "unhash",
++ VXH_VXI_ARGS(e));
++ break;
++
++ case VXH_LOC_VX_INFO:
++ case VXH_LOOKUP_VX_INFO:
++ case VXH_CREATE_VX_INFO:
++ printk( VXH_LOC_FMTS " __%s_vx_info [#%d] -> " VXH_VXI_FMTS "\n",
++ VXH_LOC_ARGS(e),
++ (e->type == VXH_CREATE_VX_INFO) ? "create" :
++ ((e->type == VXH_LOC_VX_INFO) ? "loc" : "lookup"),
++ e->ll.arg, VXH_VXI_ARGS(e));
++ break;
++ }
++}
++
++static void __vxh_dump_history(void)
++{
++ unsigned int i, cpu;
++
++ printk("History:\tSEQ: %8x\tNR_CPUS: %d\n",
++ atomic_read(&sequence), NR_CPUS);
++
++ for (i = 0; i < VXH_SIZE; i++) {
++ for_each_online_cpu(cpu) {
++ struct _vx_history *hist =
++ &per_cpu(vx_history_buffer, cpu);
++ unsigned int index = (hist->counter - i) % VXH_SIZE;
++ struct _vx_hist_entry *entry = &hist->entry[index];
++
++ vxh_dump_entry(entry, cpu);
++ }
++ }
++}
++
++void vxh_dump_history(void)
++{
++ vxh_active = 0;
++#ifdef CONFIG_SMP
++ local_irq_enable();
++ smp_send_stop();
++ local_irq_disable();
++#endif
++ __vxh_dump_history();
++}
++
++
++/* vserver syscall commands below here */
++
++
++int vc_dump_history(uint32_t id)
++{
++ vxh_active = 0;
++ __vxh_dump_history();
++ vxh_active = 1;
++
++ return 0;
++}
++
++
++int do_read_history(struct __user _vx_hist_entry *data,
++ int cpu, uint32_t *index, uint32_t *count)
++{
++ int pos, ret = 0;
++ struct _vx_history *hist = &per_cpu(vx_history_buffer, cpu);
++ int end = hist->counter;
++ int start = end - VXH_SIZE + 2;
++ int idx = *index;
++
++ /* special case: get current pos */
++ if (!*count) {
++ *index = end;
++ return 0;
++ }
++
++ /* have we lost some data? */
++ if (idx < start)
++ idx = start;
++
++ for (pos = 0; (pos < *count) && (idx < end); pos++, idx++) {
++ struct _vx_hist_entry *entry =
++ &hist->entry[idx % VXH_SIZE];
++
++ /* send entry to userspace */
++ ret = copy_to_user(&data[pos], entry, sizeof(*entry));
++ if (ret)
++ break;
++ }
++ /* save new index and count */
++ *index = idx;
++ *count = pos;
++ return ret ? ret : (*index < end);
++}
++
++int vc_read_history(uint32_t id, void __user *data)
++{
++ struct vcmd_read_history_v0 vc_data;
++ int ret;
++
++ if (id >= NR_CPUS)
++ return -EINVAL;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_read_history((struct __user _vx_hist_entry *)vc_data.data,
++ id, &vc_data.index, &vc_data.count);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return ret;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_read_history_x32(uint32_t id, void __user *data)
++{
++ struct vcmd_read_history_v0_x32 vc_data;
++ int ret;
++
++ if (id >= NR_CPUS)
++ return -EINVAL;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_read_history((struct __user _vx_hist_entry *)
++ compat_ptr(vc_data.data_ptr),
++ id, &vc_data.index, &vc_data.count);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return ret;
++}
++
++#endif /* CONFIG_COMPAT */
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/inet.c linux-3.7.10-vs2.3.5.6/kernel/vserver/inet.c
+--- linux-3.7.10/kernel/vserver/inet.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/inet.c 2013-02-05 01:41:48.000000000 +0000
+@@ -0,0 +1,236 @@
++
++#include <linux/in.h>
++#include <linux/inetdevice.h>
++#include <linux/export.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
++#include <linux/vserver/debug.h>
++#include <net/route.h>
++#include <net/addrconf.h>
++
++
++int nx_v4_addr_conflict(struct nx_info *nxi1, struct nx_info *nxi2)
++{
++ int ret = 0;
++
++ if (!nxi1 || !nxi2 || nxi1 == nxi2)
++ ret = 1;
++ else {
++ struct nx_addr_v4 *ptr;
++ unsigned long irqflags;
++
++ spin_lock_irqsave(&nxi1->addr_lock, irqflags);
++ for (ptr = &nxi1->v4; ptr; ptr = ptr->next) {
++ if (v4_nx_addr_in_nx_info(nxi2, ptr, -1)) {
++ ret = 1;
++ break;
++ }
++ }
++ spin_unlock_irqrestore(&nxi1->addr_lock, irqflags);
++ }
++
++ vxdprintk(VXD_CBIT(net, 2),
++ "nx_v4_addr_conflict(%p,%p): %d",
++ nxi1, nxi2, ret);
++
++ return ret;
++}
++
++
++#ifdef CONFIG_IPV6
++
++int nx_v6_addr_conflict(struct nx_info *nxi1, struct nx_info *nxi2)
++{
++ int ret = 0;
++
++ if (!nxi1 || !nxi2 || nxi1 == nxi2)
++ ret = 1;
++ else {
++ struct nx_addr_v6 *ptr;
++ unsigned long irqflags;
++
++ spin_lock_irqsave(&nxi1->addr_lock, irqflags);
++ for (ptr = &nxi1->v6; ptr; ptr = ptr->next) {
++ if (v6_nx_addr_in_nx_info(nxi2, ptr, -1)) {
++ ret = 1;
++ break;
++ }
++ }
++ spin_unlock_irqrestore(&nxi1->addr_lock, irqflags);
++ }
++
++ vxdprintk(VXD_CBIT(net, 2),
++ "nx_v6_addr_conflict(%p,%p): %d",
++ nxi1, nxi2, ret);
++
++ return ret;
++}
++
++#endif
++
++int v4_dev_in_nx_info(struct net_device *dev, struct nx_info *nxi)
++{
++ struct in_device *in_dev;
++ struct in_ifaddr **ifap;
++ struct in_ifaddr *ifa;
++ int ret = 0;
++
++ if (!dev)
++ goto out;
++ in_dev = in_dev_get(dev);
++ if (!in_dev)
++ goto out;
++
++ for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
++ ifap = &ifa->ifa_next) {
++ if (v4_addr_in_nx_info(nxi, ifa->ifa_local, NXA_MASK_SHOW)) {
++ ret = 1;
++ break;
++ }
++ }
++ in_dev_put(in_dev);
++out:
++ return ret;
++}
++
++
++#ifdef CONFIG_IPV6
++
++int v6_dev_in_nx_info(struct net_device *dev, struct nx_info *nxi)
++{
++ struct inet6_dev *in_dev;
++ struct inet6_ifaddr *ifa;
++ int ret = 0;
++
++ if (!dev)
++ goto out;
++ in_dev = in6_dev_get(dev);
++ if (!in_dev)
++ goto out;
++
++ // for (ifap = &in_dev->addr_list; (ifa = *ifap) != NULL;
++ list_for_each_entry(ifa, &in_dev->addr_list, if_list) {
++ if (v6_addr_in_nx_info(nxi, &ifa->addr, -1)) {
++ ret = 1;
++ break;
++ }
++ }
++ in6_dev_put(in_dev);
++out:
++ return ret;
++}
++
++#endif
++
++int dev_in_nx_info(struct net_device *dev, struct nx_info *nxi)
++{
++ int ret = 1;
++
++ if (!nxi)
++ goto out;
++ if (nxi->v4.type && v4_dev_in_nx_info(dev, nxi))
++ goto out;
++#ifdef CONFIG_IPV6
++ ret = 2;
++ if (nxi->v6.type && v6_dev_in_nx_info(dev, nxi))
++ goto out;
++#endif
++ ret = 0;
++out:
++ vxdprintk(VXD_CBIT(net, 3),
++ "dev_in_nx_info(%p,%p[#%d]) = %d",
++ dev, nxi, nxi ? nxi->nx_id : 0, ret);
++ return ret;
++}
++
++struct rtable *ip_v4_find_src(struct net *net, struct nx_info *nxi,
++ struct flowi4 *fl4)
++{
++ struct rtable *rt;
++
++ if (!nxi)
++ return NULL;
++
++ /* FIXME: handle lback only case */
++ if (!NX_IPV4(nxi))
++ return ERR_PTR(-EPERM);
++
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_v4_find_src(%p[#%u]) " NIPQUAD_FMT " -> " NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0,
++ NIPQUAD(fl4->saddr), NIPQUAD(fl4->daddr));
++
++ /* single IP is unconditional */
++ if (nx_info_flags(nxi, NXF_SINGLE_IP, 0) &&
++ (fl4->saddr == INADDR_ANY))
++ fl4->saddr = nxi->v4.ip[0].s_addr;
++
++ if (fl4->saddr == INADDR_ANY) {
++ struct nx_addr_v4 *ptr;
++ __be32 found = 0;
++
++ rt = __ip_route_output_key(net, fl4);
++ if (!IS_ERR(rt)) {
++ found = fl4->saddr;
++ ip_rt_put(rt);
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_v4_find_src(%p[#%u]) rok[%u]: " NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0, fl4->flowi4_oif, NIPQUAD(found));
++ if (v4_addr_in_nx_info(nxi, found, NXA_MASK_BIND))
++ goto found;
++ }
++
++ WARN_ON_ONCE(in_irq());
++ spin_lock(&nxi->addr_lock);
++ for (ptr = &nxi->v4; ptr; ptr = ptr->next) {
++ __be32 primary = ptr->ip[0].s_addr;
++ __be32 mask = ptr->mask.s_addr;
++ __be32 neta = primary & mask;
++
++ vxdprintk(VXD_CBIT(net, 4), "ip_v4_find_src(%p[#%u]) chk: "
++ NIPQUAD_FMT "/" NIPQUAD_FMT "/" NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0, NIPQUAD(primary),
++ NIPQUAD(mask), NIPQUAD(neta));
++ if ((found & mask) != neta)
++ continue;
++
++ fl4->saddr = primary;
++ rt = __ip_route_output_key(net, fl4);
++ vxdprintk(VXD_CBIT(net, 4),
++ "ip_v4_find_src(%p[#%u]) rok[%u]: " NIPQUAD_FMT,
++ nxi, nxi ? nxi->nx_id : 0, fl4->flowi4_oif, NIPQUAD(primary));
++ if (!IS_ERR(rt)) {
++ found = fl4->saddr;
++ ip_rt_put(rt);
++ if (found == primary)
++ goto found_unlock;
++ }
++ }
++ /* still no source ip? */
++ found = ipv4_is_loopback(fl4->daddr)
++ ? IPI_LOOPBACK : nxi->v4.ip[0].s_addr;
++ found_unlock:
++ spin_unlock(&nxi->addr_lock);
++ found:
++ /* assign src ip to flow */
++ fl4->saddr = found;
++
++ } else {
++ if (!v4_addr_in_nx_info(nxi, fl4->saddr, NXA_MASK_BIND))
++ return ERR_PTR(-EPERM);
++ }
++
++ if (nx_info_flags(nxi, NXF_LBACK_REMAP, 0)) {
++ if (ipv4_is_loopback(fl4->daddr))
++ fl4->daddr = nxi->v4_lback.s_addr;
++ if (ipv4_is_loopback(fl4->saddr))
++ fl4->saddr = nxi->v4_lback.s_addr;
++ } else if (ipv4_is_loopback(fl4->daddr) &&
++ !nx_info_flags(nxi, NXF_LBACK_ALLOW, 0))
++ return ERR_PTR(-EPERM);
++
++ return NULL;
++}
++
++EXPORT_SYMBOL_GPL(ip_v4_find_src);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/init.c linux-3.7.10-vs2.3.5.6/kernel/vserver/init.c
+--- linux-3.7.10/kernel/vserver/init.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/init.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,45 @@
++/*
++ * linux/kernel/init.c
++ *
++ * Virtual Server Init
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ *
++ */
++
++#include <linux/init.h>
++
++int vserver_register_sysctl(void);
++void vserver_unregister_sysctl(void);
++
++
++static int __init init_vserver(void)
++{
++ int ret = 0;
++
++#ifdef CONFIG_VSERVER_DEBUG
++ vserver_register_sysctl();
++#endif
++ return ret;
++}
++
++
++static void __exit exit_vserver(void)
++{
++
++#ifdef CONFIG_VSERVER_DEBUG
++ vserver_unregister_sysctl();
++#endif
++ return;
++}
++
++/* FIXME: GFP_ZONETYPES gone
++long vx_slab[GFP_ZONETYPES]; */
++long vx_area;
++
++
++module_init(init_vserver);
++module_exit(exit_vserver);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/inode.c linux-3.7.10-vs2.3.5.6/kernel/vserver/inode.c
+--- linux-3.7.10/kernel/vserver/inode.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/inode.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,437 @@
++/*
++ * linux/kernel/vserver/inode.c
++ *
++ * Virtual Server: File System Support
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 separated from vcontext V0.05
++ * V0.02 moved to tag (instead of xid)
++ *
++ */
++
++#include <linux/tty.h>
++#include <linux/proc_fs.h>
++#include <linux/devpts_fs.h>
++#include <linux/fs.h>
++#include <linux/file.h>
++#include <linux/mount.h>
++#include <linux/parser.h>
++#include <linux/namei.h>
++#include <linux/vserver/inode.h>
++#include <linux/vserver/inode_cmd.h>
++#include <linux/vs_base.h>
++#include <linux/vs_tag.h>
++
++#include <asm/uaccess.h>
++
++
++static int __vc_get_iattr(struct inode *in, uint32_t *tag, uint32_t *flags, uint32_t *mask)
++{
++ struct proc_dir_entry *entry;
++
++ if (!in || !in->i_sb)
++ return -ESRCH;
++
++ *flags = IATTR_TAG
++ | (IS_IMMUTABLE(in) ? IATTR_IMMUTABLE : 0)
++ | (IS_IXUNLINK(in) ? IATTR_IXUNLINK : 0)
++ | (IS_BARRIER(in) ? IATTR_BARRIER : 0)
++ | (IS_COW(in) ? IATTR_COW : 0);
++ *mask = IATTR_IXUNLINK | IATTR_IMMUTABLE | IATTR_COW;
++
++ if (S_ISDIR(in->i_mode))
++ *mask |= IATTR_BARRIER;
++
++ if (IS_TAGGED(in)) {
++ *tag = i_tag_read(in);
++ *mask |= IATTR_TAG;
++ }
++
++ switch (in->i_sb->s_magic) {
++ case PROC_SUPER_MAGIC:
++ entry = PROC_I(in)->pde;
++
++ /* check for specific inodes? */
++ if (entry)
++ *mask |= IATTR_FLAGS;
++ if (entry)
++ *flags |= (entry->vx_flags & IATTR_FLAGS);
++ else
++ *flags |= (PROC_I(in)->vx_flags & IATTR_FLAGS);
++ break;
++
++ case DEVPTS_SUPER_MAGIC:
++ *tag = i_tag_read(in);
++ *mask |= IATTR_TAG;
++ break;
++
++ default:
++ break;
++ }
++ return 0;
++}
++
++int vc_get_iattr(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1 vc_data = { .tag = -1 };
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(vc_data.name, &path);
++ if (!ret) {
++ ret = __vc_get_iattr(path.dentry->d_inode,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_get_iattr_x32(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1_x32 vc_data = { .tag = -1 };
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(compat_ptr(vc_data.name_ptr), &path);
++ if (!ret) {
++ ret = __vc_get_iattr(path.dentry->d_inode,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#endif /* CONFIG_COMPAT */
++
++
++int vc_fget_iattr(uint32_t fd, void __user *data)
++{
++ struct file *filp;
++ struct vcmd_ctx_fiattr_v0 vc_data = { .tag = -1 };
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ filp = fget(fd);
++ if (!filp || !filp->f_dentry || !filp->f_dentry->d_inode)
++ return -EBADF;
++
++ ret = __vc_get_iattr(filp->f_dentry->d_inode,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++
++ fput(filp);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++
++static int __vc_set_iattr(struct dentry *de, uint32_t *tag, uint32_t *flags, uint32_t *mask)
++{
++ struct inode *in = de->d_inode;
++ int error = 0, is_proc = 0, has_tag = 0;
++ struct iattr attr = { 0 };
++
++ if (!in || !in->i_sb)
++ return -ESRCH;
++
++ is_proc = (in->i_sb->s_magic == PROC_SUPER_MAGIC);
++ if ((*mask & IATTR_FLAGS) && !is_proc)
++ return -EINVAL;
++
++ has_tag = IS_TAGGED(in) ||
++ (in->i_sb->s_magic == DEVPTS_SUPER_MAGIC);
++ if ((*mask & IATTR_TAG) && !has_tag)
++ return -EINVAL;
++
++ mutex_lock(&in->i_mutex);
++ if (*mask & IATTR_TAG) {
++ attr.ia_tag = *tag;
++ attr.ia_valid |= ATTR_TAG;
++ }
++
++ if (*mask & IATTR_FLAGS) {
++ struct proc_dir_entry *entry = PROC_I(in)->pde;
++ unsigned int iflags = PROC_I(in)->vx_flags;
++
++ iflags = (iflags & ~(*mask & IATTR_FLAGS))
++ | (*flags & IATTR_FLAGS);
++ PROC_I(in)->vx_flags = iflags;
++ if (entry)
++ entry->vx_flags = iflags;
++ }
++
++ if (*mask & (IATTR_IMMUTABLE | IATTR_IXUNLINK |
++ IATTR_BARRIER | IATTR_COW)) {
++ int iflags = in->i_flags;
++ int vflags = in->i_vflags;
++
++ if (*mask & IATTR_IMMUTABLE) {
++ if (*flags & IATTR_IMMUTABLE)
++ iflags |= S_IMMUTABLE;
++ else
++ iflags &= ~S_IMMUTABLE;
++ }
++ if (*mask & IATTR_IXUNLINK) {
++ if (*flags & IATTR_IXUNLINK)
++ iflags |= S_IXUNLINK;
++ else
++ iflags &= ~S_IXUNLINK;
++ }
++ if (S_ISDIR(in->i_mode) && (*mask & IATTR_BARRIER)) {
++ if (*flags & IATTR_BARRIER)
++ vflags |= V_BARRIER;
++ else
++ vflags &= ~V_BARRIER;
++ }
++ if (S_ISREG(in->i_mode) && (*mask & IATTR_COW)) {
++ if (*flags & IATTR_COW)
++ vflags |= V_COW;
++ else
++ vflags &= ~V_COW;
++ }
++ if (in->i_op && in->i_op->sync_flags) {
++ error = in->i_op->sync_flags(in, iflags, vflags);
++ if (error)
++ goto out;
++ }
++ }
++
++ if (attr.ia_valid) {
++ if (in->i_op && in->i_op->setattr)
++ error = in->i_op->setattr(de, &attr);
++ else {
++ error = inode_change_ok(in, &attr);
++ if (!error) {
++ setattr_copy(in, &attr);
++ mark_inode_dirty(in);
++ }
++ }
++ }
++
++out:
++ mutex_unlock(&in->i_mutex);
++ return error;
++}
++
++int vc_set_iattr(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1 vc_data;
++ int ret;
++
++ if (!capable(CAP_LINUX_IMMUTABLE))
++ return -EPERM;
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(vc_data.name, &path);
++ if (!ret) {
++ ret = __vc_set_iattr(path.dentry,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#ifdef CONFIG_COMPAT
++
++int vc_set_iattr_x32(void __user *data)
++{
++ struct path path;
++ struct vcmd_ctx_iattr_v1_x32 vc_data;
++ int ret;
++
++ if (!capable(CAP_LINUX_IMMUTABLE))
++ return -EPERM;
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = user_lpath(compat_ptr(vc_data.name_ptr), &path);
++ if (!ret) {
++ ret = __vc_set_iattr(path.dentry,
++ &vc_data.tag, &vc_data.flags, &vc_data.mask);
++ path_put(&path);
++ }
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
++#endif /* CONFIG_COMPAT */
++
++int vc_fset_iattr(uint32_t fd, void __user *data)
++{
++ struct file *filp;
++ struct vcmd_ctx_fiattr_v0 vc_data;
++ int ret;
++
++ if (!capable(CAP_LINUX_IMMUTABLE))
++ return -EPERM;
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ filp = fget(fd);
++ if (!filp || !filp->f_dentry || !filp->f_dentry->d_inode)
++ return -EBADF;
++
++ ret = __vc_set_iattr(filp->f_dentry, &vc_data.tag,
++ &vc_data.flags, &vc_data.mask);
++
++ fput(filp);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return ret;
++}
++
++
++enum { Opt_notagcheck, Opt_tag, Opt_notag, Opt_tagid, Opt_err };
++
++static match_table_t tokens = {
++ {Opt_notagcheck, "notagcheck"},
++#ifdef CONFIG_PROPAGATE
++ {Opt_notag, "notag"},
++ {Opt_tag, "tag"},
++ {Opt_tagid, "tagid=%u"},
++#endif
++ {Opt_err, NULL}
++};
++
++
++static void __dx_parse_remove(char *string, char *opt)
++{
++ char *p = strstr(string, opt);
++ char *q = p;
++
++ if (p) {
++ while (*q != '\0' && *q != ',')
++ q++;
++ while (*q)
++ *p++ = *q++;
++ while (*p)
++ *p++ = '\0';
++ }
++}
++
++int dx_parse_tag(char *string, tag_t *tag, int remove, int *mnt_flags,
++ unsigned long *flags)
++{
++ int set = 0;
++ substring_t args[MAX_OPT_ARGS];
++ int token;
++ char *s, *p, *opts;
++#if defined(CONFIG_PROPAGATE) || defined(CONFIG_VSERVER_DEBUG)
++ int option = 0;
++#endif
++
++ if (!string)
++ return 0;
++ s = kstrdup(string, GFP_KERNEL | GFP_ATOMIC);
++ if (!s)
++ return 0;
++
++ opts = s;
++ while ((p = strsep(&opts, ",")) != NULL) {
++ token = match_token(p, tokens, args);
++
++ switch (token) {
++#ifdef CONFIG_PROPAGATE
++ case Opt_tag:
++ if (tag)
++ *tag = 0;
++ if (remove)
++ __dx_parse_remove(s, "tag");
++ *mnt_flags |= MNT_TAGID;
++ set |= MNT_TAGID;
++ break;
++ case Opt_notag:
++ if (remove)
++ __dx_parse_remove(s, "notag");
++ *mnt_flags |= MNT_NOTAG;
++ set |= MNT_NOTAG;
++ break;
++ case Opt_tagid:
++ if (tag && !match_int(args, &option))
++ *tag = option;
++ if (remove)
++ __dx_parse_remove(s, "tagid");
++ *mnt_flags |= MNT_TAGID;
++ set |= MNT_TAGID;
++ break;
++#endif /* CONFIG_PROPAGATE */
++ case Opt_notagcheck:
++ if (remove)
++ __dx_parse_remove(s, "notagcheck");
++ *flags |= MS_NOTAGCHECK;
++ set |= MS_NOTAGCHECK;
++ break;
++ }
++ vxdprintk(VXD_CBIT(tag, 7),
++ "dx_parse_tag(" VS_Q("%s") "): %d:#%d",
++ p, token, option);
++ }
++ if (set)
++ strcpy(string, s);
++ kfree(s);
++ return set;
++}
++
++#ifdef CONFIG_PROPAGATE
++
++void __dx_propagate_tag(struct nameidata *nd, struct inode *inode)
++{
++ tag_t new_tag = 0;
++ struct vfsmount *mnt;
++ int propagate;
++
++ if (!nd)
++ return;
++ mnt = nd->path.mnt;
++ if (!mnt)
++ return;
++
++ propagate = (mnt->mnt_flags & MNT_TAGID);
++ if (propagate)
++ new_tag = mnt->mnt_tag;
++
++ vxdprintk(VXD_CBIT(tag, 7),
++ "dx_propagate_tag(%p[#%lu.%d]): %d,%d",
++ inode, inode->i_ino, inode->i_tag,
++ new_tag, (propagate) ? 1 : 0);
++
++ if (propagate)
++ i_tag_write(inode, new_tag);
++}
++
++#include <linux/module.h>
++
++EXPORT_SYMBOL_GPL(__dx_propagate_tag);
++
++#endif /* CONFIG_PROPAGATE */
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/limit.c linux-3.7.10-vs2.3.5.6/kernel/vserver/limit.c
+--- linux-3.7.10/kernel/vserver/limit.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/limit.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,345 @@
++/*
++ * linux/kernel/vserver/limit.c
++ *
++ * Virtual Server: Context Limits
++ *
++ * Copyright (C) 2004-2010 Herbert Pötzl
++ *
++ * V0.01 broken out from vcontext V0.05
++ * V0.02 changed vcmds to vxi arg
++ * V0.03 added memory cgroup support
++ *
++ */
++
++#include <linux/sched.h>
++#include <linux/module.h>
++#include <linux/memcontrol.h>
++#include <linux/res_counter.h>
++#include <linux/vs_limit.h>
++#include <linux/vserver/limit.h>
++#include <linux/vserver/limit_cmd.h>
++
++#include <asm/uaccess.h>
++
++
++const char *vlimit_name[NUM_LIMITS] = {
++ [RLIMIT_CPU] = "CPU",
++ [RLIMIT_NPROC] = "NPROC",
++ [RLIMIT_NOFILE] = "NOFILE",
++ [RLIMIT_LOCKS] = "LOCKS",
++ [RLIMIT_SIGPENDING] = "SIGP",
++ [RLIMIT_MSGQUEUE] = "MSGQ",
++
++ [VLIMIT_NSOCK] = "NSOCK",
++ [VLIMIT_OPENFD] = "OPENFD",
++ [VLIMIT_SHMEM] = "SHMEM",
++ [VLIMIT_DENTRY] = "DENTRY",
++};
++
++EXPORT_SYMBOL_GPL(vlimit_name);
++
++#define MASK_ENTRY(x) (1 << (x))
++
++const struct vcmd_ctx_rlimit_mask_v0 vlimit_mask = {
++ /* minimum */
++ 0
++ , /* softlimit */
++ 0
++ , /* maximum */
++ MASK_ENTRY( RLIMIT_NPROC ) |
++ MASK_ENTRY( RLIMIT_NOFILE ) |
++ MASK_ENTRY( RLIMIT_LOCKS ) |
++ MASK_ENTRY( RLIMIT_MSGQUEUE ) |
++
++ MASK_ENTRY( VLIMIT_NSOCK ) |
++ MASK_ENTRY( VLIMIT_OPENFD ) |
++ MASK_ENTRY( VLIMIT_SHMEM ) |
++ MASK_ENTRY( VLIMIT_DENTRY ) |
++ 0
++};
++ /* accounting only */
++uint32_t account_mask =
++ MASK_ENTRY( VLIMIT_SEMARY ) |
++ MASK_ENTRY( VLIMIT_NSEMS ) |
++ MASK_ENTRY( VLIMIT_MAPPED ) |
++ 0;
++
++
++static int is_valid_vlimit(int id)
++{
++ uint32_t mask = vlimit_mask.minimum |
++ vlimit_mask.softlimit | vlimit_mask.maximum;
++ return mask & (1 << id);
++}
++
++static int is_accounted_vlimit(int id)
++{
++ if (is_valid_vlimit(id))
++ return 1;
++ return account_mask & (1 << id);
++}
++
++
++static inline uint64_t vc_get_soft(struct vx_info *vxi, int id)
++{
++ rlim_t limit = __rlim_soft(&vxi->limit, id);
++ return VX_VLIM(limit);
++}
++
++static inline uint64_t vc_get_hard(struct vx_info *vxi, int id)
++{
++ rlim_t limit = __rlim_hard(&vxi->limit, id);
++ return VX_VLIM(limit);
++}
++
++static int do_get_rlimit(struct vx_info *vxi, uint32_t id,
++ uint64_t *minimum, uint64_t *softlimit, uint64_t *maximum)
++{
++ if (!is_valid_vlimit(id))
++ return -EINVAL;
++
++ if (minimum)
++ *minimum = CRLIM_UNSET;
++ if (softlimit)
++ *softlimit = vc_get_soft(vxi, id);
++ if (maximum)
++ *maximum = vc_get_hard(vxi, id);
++ return 0;
++}
++
++int vc_get_rlimit(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_rlimit(vxi, vc_data.id,
++ &vc_data.minimum, &vc_data.softlimit, &vc_data.maximum);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++static int do_set_rlimit(struct vx_info *vxi, uint32_t id,
++ uint64_t minimum, uint64_t softlimit, uint64_t maximum)
++{
++ if (!is_valid_vlimit(id))
++ return -EINVAL;
++
++ if (maximum != CRLIM_KEEP)
++ __rlim_hard(&vxi->limit, id) = VX_RLIM(maximum);
++ if (softlimit != CRLIM_KEEP)
++ __rlim_soft(&vxi->limit, id) = VX_RLIM(softlimit);
++
++ /* clamp soft limit */
++ if (__rlim_soft(&vxi->limit, id) > __rlim_hard(&vxi->limit, id))
++ __rlim_soft(&vxi->limit, id) = __rlim_hard(&vxi->limit, id);
++
++ return 0;
++}
++
++int vc_set_rlimit(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_rlimit(vxi, vc_data.id,
++ vc_data.minimum, vc_data.softlimit, vc_data.maximum);
++}
++
++#ifdef CONFIG_IA32_EMULATION
++
++int vc_set_rlimit_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0_x32 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_rlimit(vxi, vc_data.id,
++ vc_data.minimum, vc_data.softlimit, vc_data.maximum);
++}
++
++int vc_get_rlimit_x32(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_rlimit_v0_x32 vc_data;
++ int ret;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ ret = do_get_rlimit(vxi, vc_data.id,
++ &vc_data.minimum, &vc_data.softlimit, &vc_data.maximum);
++ if (ret)
++ return ret;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++#endif /* CONFIG_IA32_EMULATION */
++
++
++int vc_get_rlimit_mask(uint32_t id, void __user *data)
++{
++ if (copy_to_user(data, &vlimit_mask, sizeof(vlimit_mask)))
++ return -EFAULT;
++ return 0;
++}
++
++
++static inline void vx_reset_hits(struct _vx_limit *limit)
++{
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ atomic_set(&__rlim_lhit(limit, lim), 0);
++ }
++}
++
++int vc_reset_hits(struct vx_info *vxi, void __user *data)
++{
++ vx_reset_hits(&vxi->limit);
++ return 0;
++}
++
++static inline void vx_reset_minmax(struct _vx_limit *limit)
++{
++ rlim_t value;
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ value = __rlim_get(limit, lim);
++ __rlim_rmax(limit, lim) = value;
++ __rlim_rmin(limit, lim) = value;
++ }
++}
++
++int vc_reset_minmax(struct vx_info *vxi, void __user *data)
++{
++ vx_reset_minmax(&vxi->limit);
++ return 0;
++}
++
++
++int vc_rlimit_stat(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_rlimit_stat_v0 vc_data;
++ struct _vx_limit *limit = &vxi->limit;
++ int id;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ id = vc_data.id;
++ if (!is_accounted_vlimit(id))
++ return -EINVAL;
++
++ vx_limit_fixup(limit, id);
++ vc_data.hits = atomic_read(&__rlim_lhit(limit, id));
++ vc_data.value = __rlim_get(limit, id);
++ vc_data.minimum = __rlim_rmin(limit, id);
++ vc_data.maximum = __rlim_rmax(limit, id);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++void vx_vsi_meminfo(struct sysinfo *val)
++{
++#ifdef CONFIG_MEMCG
++ struct mem_cgroup *mcg;
++ u64 res_limit, res_usage;
++
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ rcu_read_unlock();
++ if (!mcg)
++ goto out;
++
++ res_limit = mem_cgroup_res_read_u64(mcg, RES_LIMIT);
++ res_usage = mem_cgroup_res_read_u64(mcg, RES_USAGE);
++
++ if (res_limit != RESOURCE_MAX)
++ val->totalram = (res_limit >> PAGE_SHIFT);
++ val->freeram = val->totalram - (res_usage >> PAGE_SHIFT);
++ val->bufferram = 0;
++ val->totalhigh = 0;
++ val->freehigh = 0;
++out:
++#endif /* CONFIG_MEMCG */
++ return;
++}
++
++void vx_vsi_swapinfo(struct sysinfo *val)
++{
++#ifdef CONFIG_MEMCG
++#ifdef CONFIG_MEMCG_SWAP
++ struct mem_cgroup *mcg;
++ u64 res_limit, res_usage, memsw_limit, memsw_usage;
++ s64 swap_limit, swap_usage;
++
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ rcu_read_unlock();
++ if (!mcg)
++ goto out;
++
++ res_limit = mem_cgroup_res_read_u64(mcg, RES_LIMIT);
++ res_usage = mem_cgroup_res_read_u64(mcg, RES_USAGE);
++ memsw_limit = mem_cgroup_memsw_read_u64(mcg, RES_LIMIT);
++ memsw_usage = mem_cgroup_memsw_read_u64(mcg, RES_USAGE);
++
++ /* memory unlimited */
++ if (res_limit == RESOURCE_MAX)
++ goto out;
++
++ swap_limit = memsw_limit - res_limit;
++ /* we have a swap limit? */
++ if (memsw_limit != RESOURCE_MAX)
++ val->totalswap = swap_limit >> PAGE_SHIFT;
++
++ /* calculate swap part */
++ swap_usage = (memsw_usage > res_usage) ?
++ memsw_usage - res_usage : 0;
++
++ /* total shown minus usage gives free swap */
++ val->freeswap = (swap_usage < swap_limit) ?
++ val->totalswap - (swap_usage >> PAGE_SHIFT) : 0;
++out:
++#else /* !CONFIG_MEMCG_SWAP */
++ val->totalswap = 0;
++ val->freeswap = 0;
++#endif /* !CONFIG_MEMCG_SWAP */
++#endif /* CONFIG_MEMCG */
++ return;
++}
++
++long vx_vsi_cached(struct sysinfo *val)
++{
++ long cache = 0;
++#ifdef CONFIG_MEMCG
++ struct mem_cgroup *mcg;
++
++ rcu_read_lock();
++ mcg = mem_cgroup_from_task(current);
++ rcu_read_unlock();
++ if (!mcg)
++ goto out;
++
++ cache = mem_cgroup_stat_read_cache(mcg);
++out:
++#endif
++ return cache;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/limit_init.h linux-3.7.10-vs2.3.5.6/kernel/vserver/limit_init.h
+--- linux-3.7.10/kernel/vserver/limit_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/limit_init.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,31 @@
++
++
++static inline void vx_info_init_limit(struct _vx_limit *limit)
++{
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ __rlim_soft(limit, lim) = RLIM_INFINITY;
++ __rlim_hard(limit, lim) = RLIM_INFINITY;
++ __rlim_set(limit, lim, 0);
++ atomic_set(&__rlim_lhit(limit, lim), 0);
++ __rlim_rmin(limit, lim) = 0;
++ __rlim_rmax(limit, lim) = 0;
++ }
++}
++
++static inline void vx_info_exit_limit(struct _vx_limit *limit)
++{
++ rlim_t value;
++ int lim;
++
++ for (lim = 0; lim < NUM_LIMITS; lim++) {
++ if ((1 << lim) & VLIM_NOCHECK)
++ continue;
++ value = __rlim_get(limit, lim);
++ vxwprintk_xid(value,
++ "!!! limit: %p[%s,%d] = %ld on exit.",
++ limit, vlimit_name[lim], lim, (long)value);
++ }
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/limit_proc.h linux-3.7.10-vs2.3.5.6/kernel/vserver/limit_proc.h
+--- linux-3.7.10/kernel/vserver/limit_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/limit_proc.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,57 @@
++#ifndef _VX_LIMIT_PROC_H
++#define _VX_LIMIT_PROC_H
++
++#include <linux/vserver/limit_int.h>
++
++
++#define VX_LIMIT_FMT ":\t%8ld\t%8ld/%8ld\t%8lld/%8lld\t%6d\n"
++#define VX_LIMIT_TOP \
++ "Limit\t current\t min/max\t\t soft/hard\t\thits\n"
++
++#define VX_LIMIT_ARG(r) \
++ (unsigned long)__rlim_get(limit, r), \
++ (unsigned long)__rlim_rmin(limit, r), \
++ (unsigned long)__rlim_rmax(limit, r), \
++ VX_VLIM(__rlim_soft(limit, r)), \
++ VX_VLIM(__rlim_hard(limit, r)), \
++ atomic_read(&__rlim_lhit(limit, r))
++
++static inline int vx_info_proc_limit(struct _vx_limit *limit, char *buffer)
++{
++ vx_limit_fixup(limit, -1);
++ return sprintf(buffer, VX_LIMIT_TOP
++ "PROC" VX_LIMIT_FMT
++ "VM" VX_LIMIT_FMT
++ "VML" VX_LIMIT_FMT
++ "RSS" VX_LIMIT_FMT
++ "ANON" VX_LIMIT_FMT
++ "RMAP" VX_LIMIT_FMT
++ "FILES" VX_LIMIT_FMT
++ "OFD" VX_LIMIT_FMT
++ "LOCKS" VX_LIMIT_FMT
++ "SOCK" VX_LIMIT_FMT
++ "MSGQ" VX_LIMIT_FMT
++ "SHM" VX_LIMIT_FMT
++ "SEMA" VX_LIMIT_FMT
++ "SEMS" VX_LIMIT_FMT
++ "DENT" VX_LIMIT_FMT,
++ VX_LIMIT_ARG(RLIMIT_NPROC),
++ VX_LIMIT_ARG(RLIMIT_AS),
++ VX_LIMIT_ARG(RLIMIT_MEMLOCK),
++ VX_LIMIT_ARG(RLIMIT_RSS),
++ VX_LIMIT_ARG(VLIMIT_ANON),
++ VX_LIMIT_ARG(VLIMIT_MAPPED),
++ VX_LIMIT_ARG(RLIMIT_NOFILE),
++ VX_LIMIT_ARG(VLIMIT_OPENFD),
++ VX_LIMIT_ARG(RLIMIT_LOCKS),
++ VX_LIMIT_ARG(VLIMIT_NSOCK),
++ VX_LIMIT_ARG(RLIMIT_MSGQUEUE),
++ VX_LIMIT_ARG(VLIMIT_SHMEM),
++ VX_LIMIT_ARG(VLIMIT_SEMARY),
++ VX_LIMIT_ARG(VLIMIT_NSEMS),
++ VX_LIMIT_ARG(VLIMIT_DENTRY));
++}
++
++#endif /* _VX_LIMIT_PROC_H */
++
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/network.c linux-3.7.10-vs2.3.5.6/kernel/vserver/network.c
+--- linux-3.7.10/kernel/vserver/network.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/network.c 2013-01-04 23:27:50.000000000 +0000
+@@ -0,0 +1,1053 @@
++/*
++ * linux/kernel/vserver/network.c
++ *
++ * Virtual Server: Network Support
++ *
++ * Copyright (C) 2003-2007 Herbert Pötzl
++ *
++ * V0.01 broken out from vcontext V0.05
++ * V0.02 cleaned up implementation
++ * V0.03 added equiv nx commands
++ * V0.04 switch to RCU based hash
++ * V0.05 and back to locking again
++ * V0.06 changed vcmds to nxi arg
++ * V0.07 have __create claim() the nxi
++ *
++ */
++
++#include <linux/err.h>
++#include <linux/slab.h>
++#include <linux/rcupdate.h>
++#include <net/ipv6.h>
++
++#include <linux/vs_network.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/network_cmd.h>
++
++
++atomic_t nx_global_ctotal = ATOMIC_INIT(0);
++atomic_t nx_global_cactive = ATOMIC_INIT(0);
++
++static struct kmem_cache *nx_addr_v4_cachep = NULL;
++static struct kmem_cache *nx_addr_v6_cachep = NULL;
++
++
++static int __init init_network(void)
++{
++ nx_addr_v4_cachep = kmem_cache_create("nx_v4_addr_cache",
++ sizeof(struct nx_addr_v4), 0,
++ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
++ nx_addr_v6_cachep = kmem_cache_create("nx_v6_addr_cache",
++ sizeof(struct nx_addr_v6), 0,
++ SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
++ return 0;
++}
++
++
++/* __alloc_nx_addr_v4() */
++
++static inline struct nx_addr_v4 *__alloc_nx_addr_v4(void)
++{
++ struct nx_addr_v4 *nxa = kmem_cache_alloc(
++ nx_addr_v4_cachep, GFP_KERNEL);
++
++ if (!IS_ERR(nxa))
++ memset(nxa, 0, sizeof(*nxa));
++ return nxa;
++}
++
++/* __dealloc_nx_addr_v4() */
++
++static inline void __dealloc_nx_addr_v4(struct nx_addr_v4 *nxa)
++{
++ kmem_cache_free(nx_addr_v4_cachep, nxa);
++}
++
++/* __dealloc_nx_addr_v4_all() */
++
++static inline void __dealloc_nx_addr_v4_all(struct nx_addr_v4 *nxa)
++{
++ while (nxa) {
++ struct nx_addr_v4 *next = nxa->next;
++
++ __dealloc_nx_addr_v4(nxa);
++ nxa = next;
++ }
++}
++
++
++#ifdef CONFIG_IPV6
++
++/* __alloc_nx_addr_v6() */
++
++static inline struct nx_addr_v6 *__alloc_nx_addr_v6(void)
++{
++ struct nx_addr_v6 *nxa = kmem_cache_alloc(
++ nx_addr_v6_cachep, GFP_KERNEL);
++
++ if (!IS_ERR(nxa))
++ memset(nxa, 0, sizeof(*nxa));
++ return nxa;
++}
++
++/* __dealloc_nx_addr_v6() */
++
++static inline void __dealloc_nx_addr_v6(struct nx_addr_v6 *nxa)
++{
++ kmem_cache_free(nx_addr_v6_cachep, nxa);
++}
++
++/* __dealloc_nx_addr_v6_all() */
++
++static inline void __dealloc_nx_addr_v6_all(struct nx_addr_v6 *nxa)
++{
++ while (nxa) {
++ struct nx_addr_v6 *next = nxa->next;
++
++ __dealloc_nx_addr_v6(nxa);
++ nxa = next;
++ }
++}
++
++#endif /* CONFIG_IPV6 */
++
++/* __alloc_nx_info()
++
++ * allocate an initialized nx_info struct
++ * doesn't make it visible (hash) */
++
++static struct nx_info *__alloc_nx_info(nid_t nid)
++{
++ struct nx_info *new = NULL;
++
++ vxdprintk(VXD_CBIT(nid, 1), "alloc_nx_info(%d)*", nid);
++
++ /* would this benefit from a slab cache? */
++ new = kmalloc(sizeof(struct nx_info), GFP_KERNEL);
++ if (!new)
++ return 0;
++
++ memset(new, 0, sizeof(struct nx_info));
++ new->nx_id = nid;
++ INIT_HLIST_NODE(&new->nx_hlist);
++ atomic_set(&new->nx_usecnt, 0);
++ atomic_set(&new->nx_tasks, 0);
++ spin_lock_init(&new->addr_lock);
++ new->nx_state = 0;
++
++ new->nx_flags = NXF_INIT_SET;
++
++ /* rest of init goes here */
++
++ new->v4_lback.s_addr = htonl(INADDR_LOOPBACK);
++ new->v4_bcast.s_addr = htonl(INADDR_BROADCAST);
++
++ vxdprintk(VXD_CBIT(nid, 0),
++ "alloc_nx_info(%d) = %p", nid, new);
++ atomic_inc(&nx_global_ctotal);
++ return new;
++}
++
++/* __dealloc_nx_info()
++
++ * final disposal of nx_info */
++
++static void __dealloc_nx_info(struct nx_info *nxi)
++{
++ vxdprintk(VXD_CBIT(nid, 0),
++ "dealloc_nx_info(%p)", nxi);
++
++ nxi->nx_hlist.next = LIST_POISON1;
++ nxi->nx_id = -1;
++
++ BUG_ON(atomic_read(&nxi->nx_usecnt));
++ BUG_ON(atomic_read(&nxi->nx_tasks));
++
++ __dealloc_nx_addr_v4_all(nxi->v4.next);
++#ifdef CONFIG_IPV6
++ __dealloc_nx_addr_v6_all(nxi->v6.next);
++#endif
++
++ nxi->nx_state |= NXS_RELEASED;
++ kfree(nxi);
++ atomic_dec(&nx_global_ctotal);
++}
++
++static void __shutdown_nx_info(struct nx_info *nxi)
++{
++ nxi->nx_state |= NXS_SHUTDOWN;
++ vs_net_change(nxi, VSC_NETDOWN);
++}
++
++/* exported stuff */
++
++void free_nx_info(struct nx_info *nxi)
++{
++ /* context shutdown is mandatory */
++ BUG_ON(nxi->nx_state != NXS_SHUTDOWN);
++
++ /* context must not be hashed */
++ BUG_ON(nxi->nx_state & NXS_HASHED);
++
++ BUG_ON(atomic_read(&nxi->nx_usecnt));
++ BUG_ON(atomic_read(&nxi->nx_tasks));
++
++ __dealloc_nx_info(nxi);
++}
++
++
++void __nx_set_lback(struct nx_info *nxi)
++{
++ int nid = nxi->nx_id;
++ __be32 lback = htonl(INADDR_LOOPBACK ^ ((nid & 0xFFFF) << 8));
++
++ nxi->v4_lback.s_addr = lback;
++}
++
++extern int __nx_inet_add_lback(__be32 addr);
++extern int __nx_inet_del_lback(__be32 addr);
++
++
++/* hash table for nx_info hash */
++
++#define NX_HASH_SIZE 13
++
++struct hlist_head nx_info_hash[NX_HASH_SIZE];
++
++static DEFINE_SPINLOCK(nx_info_hash_lock);
++
++
++static inline unsigned int __hashval(nid_t nid)
++{
++ return (nid % NX_HASH_SIZE);
++}
++
++
++
++/* __hash_nx_info()
++
++ * add the nxi to the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __hash_nx_info(struct nx_info *nxi)
++{
++ struct hlist_head *head;
++
++ vxd_assert_lock(&nx_info_hash_lock);
++ vxdprintk(VXD_CBIT(nid, 4),
++ "__hash_nx_info: %p[#%d]", nxi, nxi->nx_id);
++
++ /* context must not be hashed */
++ BUG_ON(nx_info_state(nxi, NXS_HASHED));
++
++ nxi->nx_state |= NXS_HASHED;
++ head = &nx_info_hash[__hashval(nxi->nx_id)];
++ hlist_add_head(&nxi->nx_hlist, head);
++ atomic_inc(&nx_global_cactive);
++}
++
++/* __unhash_nx_info()
++
++ * remove the nxi from the global hash table
++ * requires the hash_lock to be held */
++
++static inline void __unhash_nx_info(struct nx_info *nxi)
++{
++ vxd_assert_lock(&nx_info_hash_lock);
++ vxdprintk(VXD_CBIT(nid, 4),
++ "__unhash_nx_info: %p[#%d.%d.%d]", nxi, nxi->nx_id,
++ atomic_read(&nxi->nx_usecnt), atomic_read(&nxi->nx_tasks));
++
++ /* context must be hashed */
++ BUG_ON(!nx_info_state(nxi, NXS_HASHED));
++ /* but without tasks */
++ BUG_ON(atomic_read(&nxi->nx_tasks));
++
++ nxi->nx_state &= ~NXS_HASHED;
++ hlist_del(&nxi->nx_hlist);
++ atomic_dec(&nx_global_cactive);
++}
++
++
++/* __lookup_nx_info()
++
++ * requires the hash_lock to be held
++ * doesn't increment the nx_refcnt */
++
++static inline struct nx_info *__lookup_nx_info(nid_t nid)
++{
++ struct hlist_head *head = &nx_info_hash[__hashval(nid)];
++ struct hlist_node *pos;
++ struct nx_info *nxi;
++
++ vxd_assert_lock(&nx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ nxi = hlist_entry(pos, struct nx_info, nx_hlist);
++
++ if (nxi->nx_id == nid)
++ goto found;
++ }
++ nxi = NULL;
++found:
++ vxdprintk(VXD_CBIT(nid, 0),
++ "__lookup_nx_info(#%u): %p[#%u]",
++ nid, nxi, nxi ? nxi->nx_id : 0);
++ return nxi;
++}
++
++
++/* __create_nx_info()
++
++ * create the requested context
++ * get(), claim() and hash it */
++
++static struct nx_info *__create_nx_info(int id)
++{
++ struct nx_info *new, *nxi = NULL;
++
++ vxdprintk(VXD_CBIT(nid, 1), "create_nx_info(%d)*", id);
++
++ if (!(new = __alloc_nx_info(id)))
++ return ERR_PTR(-ENOMEM);
++
++ /* required to make dynamic xids unique */
++ spin_lock(&nx_info_hash_lock);
++
++ /* static context requested */
++ if ((nxi = __lookup_nx_info(id))) {
++ vxdprintk(VXD_CBIT(nid, 0),
++ "create_nx_info(%d) = %p (already there)", id, nxi);
++ if (nx_info_flags(nxi, NXF_STATE_SETUP, 0))
++ nxi = ERR_PTR(-EBUSY);
++ else
++ nxi = ERR_PTR(-EEXIST);
++ goto out_unlock;
++ }
++ /* new context */
++ vxdprintk(VXD_CBIT(nid, 0),
++ "create_nx_info(%d) = %p (new)", id, new);
++ claim_nx_info(new, NULL);
++ __nx_set_lback(new);
++ __hash_nx_info(get_nx_info(new));
++ nxi = new, new = NULL;
++
++out_unlock:
++ spin_unlock(&nx_info_hash_lock);
++ if (new)
++ __dealloc_nx_info(new);
++ return nxi;
++}
++
++
++
++/* exported stuff */
++
++
++void unhash_nx_info(struct nx_info *nxi)
++{
++ __shutdown_nx_info(nxi);
++ spin_lock(&nx_info_hash_lock);
++ __unhash_nx_info(nxi);
++ spin_unlock(&nx_info_hash_lock);
++}
++
++/* lookup_nx_info()
++
++ * search for a nx_info and get() it
++ * negative id means current */
++
++struct nx_info *lookup_nx_info(int id)
++{
++ struct nx_info *nxi = NULL;
++
++ if (id < 0) {
++ nxi = get_nx_info(current_nx_info());
++ } else if (id > 1) {
++ spin_lock(&nx_info_hash_lock);
++ nxi = get_nx_info(__lookup_nx_info(id));
++ spin_unlock(&nx_info_hash_lock);
++ }
++ return nxi;
++}
++
++/* nid_is_hashed()
++
++ * verify that nid is still hashed */
++
++int nid_is_hashed(nid_t nid)
++{
++ int hashed;
++
++ spin_lock(&nx_info_hash_lock);
++ hashed = (__lookup_nx_info(nid) != NULL);
++ spin_unlock(&nx_info_hash_lock);
++ return hashed;
++}
++
++
++#ifdef CONFIG_PROC_FS
++
++/* get_nid_list()
++
++ * get a subset of hashed nids for proc
++ * assumes size is at least one */
++
++int get_nid_list(int index, unsigned int *nids, int size)
++{
++ int hindex, nr_nids = 0;
++
++ /* only show current and children */
++ if (!nx_check(0, VS_ADMIN | VS_WATCH)) {
++ if (index > 0)
++ return 0;
++ nids[nr_nids] = nx_current_nid();
++ return 1;
++ }
++
++ for (hindex = 0; hindex < NX_HASH_SIZE; hindex++) {
++ struct hlist_head *head = &nx_info_hash[hindex];
++ struct hlist_node *pos;
++
++ spin_lock(&nx_info_hash_lock);
++ hlist_for_each(pos, head) {
++ struct nx_info *nxi;
++
++ if (--index > 0)
++ continue;
++
++ nxi = hlist_entry(pos, struct nx_info, nx_hlist);
++ nids[nr_nids] = nxi->nx_id;
++ if (++nr_nids >= size) {
++ spin_unlock(&nx_info_hash_lock);
++ goto out;
++ }
++ }
++ /* keep the lock time short */
++ spin_unlock(&nx_info_hash_lock);
++ }
++out:
++ return nr_nids;
++}
++#endif
++
++
++/*
++ * migrate task to new network
++ * gets nxi, puts old_nxi on change
++ */
++
++int nx_migrate_task(struct task_struct *p, struct nx_info *nxi)
++{
++ struct nx_info *old_nxi;
++ int ret = 0;
++
++ if (!p || !nxi)
++ BUG();
++
++ vxdprintk(VXD_CBIT(nid, 5),
++ "nx_migrate_task(%p,%p[#%d.%d.%d])",
++ p, nxi, nxi->nx_id,
++ atomic_read(&nxi->nx_usecnt),
++ atomic_read(&nxi->nx_tasks));
++
++ if (nx_info_flags(nxi, NXF_INFO_PRIVATE, 0) &&
++ !nx_info_flags(nxi, NXF_STATE_SETUP, 0))
++ return -EACCES;
++
++ if (nx_info_state(nxi, NXS_SHUTDOWN))
++ return -EFAULT;
++
++ /* maybe disallow this completely? */
++ old_nxi = task_get_nx_info(p);
++ if (old_nxi == nxi)
++ goto out;
++
++ task_lock(p);
++ if (old_nxi)
++ clr_nx_info(&p->nx_info);
++ claim_nx_info(nxi, p);
++ set_nx_info(&p->nx_info, nxi);
++ p->nid = nxi->nx_id;
++ task_unlock(p);
++
++ vxdprintk(VXD_CBIT(nid, 5),
++ "moved task %p into nxi:%p[#%d]",
++ p, nxi, nxi->nx_id);
++
++ if (old_nxi)
++ release_nx_info(old_nxi, p);
++ ret = 0;
++out:
++ put_nx_info(old_nxi);
++ return ret;
++}
++
++
++void nx_set_persistent(struct nx_info *nxi)
++{
++ vxdprintk(VXD_CBIT(nid, 6),
++ "nx_set_persistent(%p[#%d])", nxi, nxi->nx_id);
++
++ get_nx_info(nxi);
++ claim_nx_info(nxi, NULL);
++}
++
++void nx_clear_persistent(struct nx_info *nxi)
++{
++ vxdprintk(VXD_CBIT(nid, 6),
++ "nx_clear_persistent(%p[#%d])", nxi, nxi->nx_id);
++
++ release_nx_info(nxi, NULL);
++ put_nx_info(nxi);
++}
++
++void nx_update_persistent(struct nx_info *nxi)
++{
++ if (nx_info_flags(nxi, NXF_PERSISTENT, 0))
++ nx_set_persistent(nxi);
++ else
++ nx_clear_persistent(nxi);
++}
++
++/* vserver syscall commands below here */
++
++/* taks nid and nx_info functions */
++
++#include <asm/uaccess.h>
++
++
++int vc_task_nid(uint32_t id)
++{
++ nid_t nid;
++
++ if (id) {
++ struct task_struct *tsk;
++
++ rcu_read_lock();
++ tsk = find_task_by_real_pid(id);
++ nid = (tsk) ? tsk->nid : -ESRCH;
++ rcu_read_unlock();
++ } else
++ nid = nx_current_nid();
++ return nid;
++}
++
++
++int vc_nx_info(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_nx_info_v0 vc_data;
++
++ vc_data.nid = nxi->nx_id;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++
++/* network functions */
++
++int vc_net_create(uint32_t nid, void __user *data)
++{
++ struct vcmd_net_create vc_data = { .flagword = NXF_INIT_SET };
++ struct nx_info *new_nxi;
++ int ret;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if ((nid > MAX_S_CONTEXT) || (nid < 2))
++ return -EINVAL;
++
++ new_nxi = __create_nx_info(nid);
++ if (IS_ERR(new_nxi))
++ return PTR_ERR(new_nxi);
++
++ /* initial flags */
++ new_nxi->nx_flags = vc_data.flagword;
++
++ ret = -ENOEXEC;
++ if (vs_net_change(new_nxi, VSC_NETUP))
++ goto out;
++
++ ret = nx_migrate_task(current, new_nxi);
++ if (ret)
++ goto out;
++
++ /* return context id on success */
++ ret = new_nxi->nx_id;
++
++ /* get a reference for persistent contexts */
++ if ((vc_data.flagword & NXF_PERSISTENT))
++ nx_set_persistent(new_nxi);
++out:
++ release_nx_info(new_nxi, NULL);
++ put_nx_info(new_nxi);
++ return ret;
++}
++
++
++int vc_net_migrate(struct nx_info *nxi, void __user *data)
++{
++ return nx_migrate_task(current, nxi);
++}
++
++
++static inline
++struct nx_addr_v4 *__find_v4_addr(struct nx_info *nxi,
++ __be32 ip, __be32 ip2, __be32 mask, uint16_t type, uint16_t flags,
++ struct nx_addr_v4 **prev)
++{
++ struct nx_addr_v4 *nxa = &nxi->v4;
++
++ for (; nxa; nxa = nxa->next) {
++ if ((nxa->ip[0].s_addr == ip) &&
++ (nxa->ip[1].s_addr == ip2) &&
++ (nxa->mask.s_addr == mask) &&
++ (nxa->type == type) &&
++ (nxa->flags == flags))
++ return nxa;
++
++ /* save previous entry */
++ if (prev)
++ *prev = nxa;
++ }
++ return NULL;
++}
++
++int do_add_v4_addr(struct nx_info *nxi, __be32 ip, __be32 ip2, __be32 mask,
++ uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v4 *nxa = NULL;
++ struct nx_addr_v4 *new = __alloc_nx_addr_v4();
++ unsigned long irqflags;
++ int ret = -EEXIST;
++
++ if (IS_ERR(new))
++ return PTR_ERR(new);
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ if (__find_v4_addr(nxi, ip, ip2, mask, type, flags, &nxa))
++ goto out_unlock;
++
++ if (NX_IPV4(nxi)) {
++ nxa->next = new;
++ nxa = new;
++ new = NULL;
++
++ /* remove single ip for ip list */
++ nxi->nx_flags &= ~NXF_SINGLE_IP;
++ }
++
++ nxa->ip[0].s_addr = ip;
++ nxa->ip[1].s_addr = ip2;
++ nxa->mask.s_addr = mask;
++ nxa->type = type;
++ nxa->flags = flags;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ if (new)
++ __dealloc_nx_addr_v4(new);
++ return ret;
++}
++
++int do_remove_v4_addr(struct nx_info *nxi, __be32 ip, __be32 ip2, __be32 mask,
++ uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v4 *nxa = NULL;
++ struct nx_addr_v4 *old = NULL;
++ unsigned long irqflags;
++ int ret = 0;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ switch (type) {
++ case NXA_TYPE_ADDR:
++ old = __find_v4_addr(nxi, ip, ip2, mask, type, flags, &nxa);
++ if (old) {
++ if (nxa) {
++ nxa->next = old->next;
++ old->next = NULL;
++ } else {
++ if (old->next) {
++ nxa = old;
++ old = old->next;
++ *nxa = *old;
++ old->next = NULL;
++ } else {
++ memset(old, 0, sizeof(*old));
++ old = NULL;
++ }
++ }
++ } else
++ ret = -ESRCH;
++ break;
++
++ case NXA_TYPE_ANY:
++ nxa = &nxi->v4;
++ old = nxa->next;
++ memset(nxa, 0, sizeof(*nxa));
++ break;
++
++ default:
++ ret = -EINVAL;
++ }
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ __dealloc_nx_addr_v4_all(old);
++ return ret;
++}
++
++
++int vc_net_add(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_v0 vc_data;
++ int index, ret = 0;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_IPV4:
++ if ((vc_data.count < 1) || (vc_data.count > 4))
++ return -EINVAL;
++
++ index = 0;
++ while (index < vc_data.count) {
++ ret = do_add_v4_addr(nxi, vc_data.ip[index].s_addr, 0,
++ vc_data.mask[index].s_addr, NXA_TYPE_ADDR, 0);
++ if (ret)
++ return ret;
++ index++;
++ }
++ ret = index;
++ break;
++
++ case NXA_TYPE_IPV4|NXA_MOD_BCAST:
++ nxi->v4_bcast = vc_data.ip[0];
++ ret = 1;
++ break;
++
++ case NXA_TYPE_IPV4|NXA_MOD_LBACK:
++ nxi->v4_lback = vc_data.ip[0];
++ ret = 1;
++ break;
++
++ default:
++ ret = -EINVAL;
++ break;
++ }
++ return ret;
++}
++
++int vc_net_remove(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_v0 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ANY:
++ return do_remove_v4_addr(nxi, 0, 0, 0, vc_data.type, 0);
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++
++int vc_net_add_ipv4_v1(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ case NXA_TYPE_MASK:
++ return do_add_v4_addr(nxi, vc_data.ip.s_addr, 0,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++
++ case NXA_TYPE_ADDR | NXA_MOD_BCAST:
++ nxi->v4_bcast = vc_data.ip;
++ break;
++
++ case NXA_TYPE_ADDR | NXA_MOD_LBACK:
++ nxi->v4_lback = vc_data.ip;
++ break;
++
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++int vc_net_add_ipv4(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v2 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ case NXA_TYPE_MASK:
++ case NXA_TYPE_RANGE:
++ return do_add_v4_addr(nxi, vc_data.ip.s_addr, vc_data.ip2.s_addr,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++
++ case NXA_TYPE_ADDR | NXA_MOD_BCAST:
++ nxi->v4_bcast = vc_data.ip;
++ break;
++
++ case NXA_TYPE_ADDR | NXA_MOD_LBACK:
++ nxi->v4_lback = vc_data.ip;
++ break;
++
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++int vc_net_rem_ipv4_v1(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_remove_v4_addr(nxi, vc_data.ip.s_addr, 0,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++}
++
++int vc_net_rem_ipv4(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv4_v2 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_remove_v4_addr(nxi, vc_data.ip.s_addr, vc_data.ip2.s_addr,
++ vc_data.mask.s_addr, vc_data.type, vc_data.flags);
++}
++
++#ifdef CONFIG_IPV6
++
++static inline
++struct nx_addr_v6 *__find_v6_addr(struct nx_info *nxi,
++ struct in6_addr *ip, struct in6_addr *mask,
++ uint32_t prefix, uint16_t type, uint16_t flags,
++ struct nx_addr_v6 **prev)
++{
++ struct nx_addr_v6 *nxa = &nxi->v6;
++
++ for (; nxa; nxa = nxa->next) {
++ if (ipv6_addr_equal(&nxa->ip, ip) &&
++ ipv6_addr_equal(&nxa->mask, mask) &&
++ (nxa->prefix == prefix) &&
++ (nxa->type == type) &&
++ (nxa->flags == flags))
++ return nxa;
++
++ /* save previous entry */
++ if (prev)
++ *prev = nxa;
++ }
++ return NULL;
++}
++
++
++int do_add_v6_addr(struct nx_info *nxi,
++ struct in6_addr *ip, struct in6_addr *mask,
++ uint32_t prefix, uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v6 *nxa = NULL;
++ struct nx_addr_v6 *new = __alloc_nx_addr_v6();
++ unsigned long irqflags;
++ int ret = -EEXIST;
++
++ if (IS_ERR(new))
++ return PTR_ERR(new);
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ if (__find_v6_addr(nxi, ip, mask, prefix, type, flags, &nxa))
++ goto out_unlock;
++
++ if (NX_IPV6(nxi)) {
++ nxa->next = new;
++ nxa = new;
++ new = NULL;
++ }
++
++ nxa->ip = *ip;
++ nxa->mask = *mask;
++ nxa->prefix = prefix;
++ nxa->type = type;
++ nxa->flags = flags;
++ ret = 0;
++out_unlock:
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ if (new)
++ __dealloc_nx_addr_v6(new);
++ return ret;
++}
++
++int do_remove_v6_addr(struct nx_info *nxi,
++ struct in6_addr *ip, struct in6_addr *mask,
++ uint32_t prefix, uint16_t type, uint16_t flags)
++{
++ struct nx_addr_v6 *nxa = NULL;
++ struct nx_addr_v6 *old = NULL;
++ unsigned long irqflags;
++ int ret = 0;
++
++ spin_lock_irqsave(&nxi->addr_lock, irqflags);
++ switch (type) {
++ case NXA_TYPE_ADDR:
++ old = __find_v6_addr(nxi, ip, mask, prefix, type, flags, &nxa);
++ if (old) {
++ if (nxa) {
++ nxa->next = old->next;
++ old->next = NULL;
++ } else {
++ if (old->next) {
++ nxa = old;
++ old = old->next;
++ *nxa = *old;
++ old->next = NULL;
++ } else {
++ memset(old, 0, sizeof(*old));
++ old = NULL;
++ }
++ }
++ } else
++ ret = -ESRCH;
++ break;
++
++ case NXA_TYPE_ANY:
++ nxa = &nxi->v6;
++ old = nxa->next;
++ memset(nxa, 0, sizeof(*nxa));
++ break;
++
++ default:
++ ret = -EINVAL;
++ }
++ spin_unlock_irqrestore(&nxi->addr_lock, irqflags);
++ __dealloc_nx_addr_v6_all(old);
++ return ret;
++}
++
++int vc_net_add_ipv6(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv6_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ memset(&vc_data.mask, ~0, sizeof(vc_data.mask));
++ /* fallthrough */
++ case NXA_TYPE_MASK:
++ return do_add_v6_addr(nxi, &vc_data.ip, &vc_data.mask,
++ vc_data.prefix, vc_data.type, vc_data.flags);
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++int vc_net_remove_ipv6(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_addr_ipv6_v1 vc_data;
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ switch (vc_data.type) {
++ case NXA_TYPE_ADDR:
++ memset(&vc_data.mask, ~0, sizeof(vc_data.mask));
++ /* fallthrough */
++ case NXA_TYPE_MASK:
++ return do_remove_v6_addr(nxi, &vc_data.ip, &vc_data.mask,
++ vc_data.prefix, vc_data.type, vc_data.flags);
++ case NXA_TYPE_ANY:
++ return do_remove_v6_addr(nxi, NULL, NULL, 0, vc_data.type, 0);
++ default:
++ return -EINVAL;
++ }
++ return 0;
++}
++
++#endif /* CONFIG_IPV6 */
++
++
++int vc_get_nflags(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_flags_v0 vc_data;
++
++ vc_data.flagword = nxi->nx_flags;
++
++ /* special STATE flag handling */
++ vc_data.mask = vs_mask_flags(~0ULL, nxi->nx_flags, NXF_ONE_TIME);
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_nflags(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_flags_v0 vc_data;
++ uint64_t mask, trigger;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ /* special STATE flag handling */
++ mask = vs_mask_mask(vc_data.mask, nxi->nx_flags, NXF_ONE_TIME);
++ trigger = (mask & nxi->nx_flags) ^ (mask & vc_data.flagword);
++
++ nxi->nx_flags = vs_mask_flags(nxi->nx_flags,
++ vc_data.flagword, mask);
++ if (trigger & NXF_PERSISTENT)
++ nx_update_persistent(nxi);
++
++ return 0;
++}
++
++int vc_get_ncaps(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_caps_v0 vc_data;
++
++ vc_data.ncaps = nxi->nx_ncaps;
++ vc_data.cmask = ~0ULL;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
++int vc_set_ncaps(struct nx_info *nxi, void __user *data)
++{
++ struct vcmd_net_caps_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ nxi->nx_ncaps = vs_mask_flags(nxi->nx_ncaps,
++ vc_data.ncaps, vc_data.cmask);
++ return 0;
++}
++
++
++#include <linux/module.h>
++
++module_init(init_network);
++
++EXPORT_SYMBOL_GPL(free_nx_info);
++EXPORT_SYMBOL_GPL(unhash_nx_info);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/proc.c linux-3.7.10-vs2.3.5.6/kernel/vserver/proc.c
+--- linux-3.7.10/kernel/vserver/proc.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/proc.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,1110 @@
++/*
++ * linux/kernel/vserver/proc.c
++ *
++ * Virtual Context Support
++ *
++ * Copyright (C) 2003-2011 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ * V0.02 adaptation vs1.3.0
++ * V0.03 proc permissions
++ * V0.04 locking/generic
++ * V0.05 next generation procfs
++ * V0.06 inode validation
++ * V0.07 generic rewrite vid
++ * V0.08 remove inode type
++ * V0.09 added u/wmask info
++ *
++ */
++
++#include <linux/proc_fs.h>
++#include <linux/fs_struct.h>
++#include <linux/mount.h>
++#include <linux/namei.h>
++#include <asm/unistd.h>
++
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_cvirt.h>
++
++#include <linux/in.h>
++#include <linux/inetdevice.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
++
++#include <linux/vserver/global.h>
++
++#include "cvirt_proc.h"
++#include "cacct_proc.h"
++#include "limit_proc.h"
++#include "sched_proc.h"
++#include "vci_config.h"
++
++
++static inline char *print_cap_t(char *buffer, kernel_cap_t *c)
++{
++ unsigned __capi;
++
++ CAP_FOR_EACH_U32(__capi) {
++ buffer += sprintf(buffer, "%08x",
++ c->cap[(_KERNEL_CAPABILITY_U32S-1) - __capi]);
++ }
++ return buffer;
++}
++
++
++static struct proc_dir_entry *proc_virtual;
++
++static struct proc_dir_entry *proc_virtnet;
++
++
++/* first the actual feeds */
++
++
++static int proc_vci(char *buffer)
++{
++ return sprintf(buffer,
++ "VCIVersion:\t%04x:%04x\n"
++ "VCISyscall:\t%d\n"
++ "VCIKernel:\t%08x\n",
++ VCI_VERSION >> 16,
++ VCI_VERSION & 0xFFFF,
++ __NR_vserver,
++ vci_kernel_config());
++}
++
++static int proc_virtual_info(char *buffer)
++{
++ return proc_vci(buffer);
++}
++
++static int proc_virtual_status(char *buffer)
++{
++ return sprintf(buffer,
++ "#CTotal:\t%d\n"
++ "#CActive:\t%d\n"
++ "#NSProxy:\t%d\t%d %d %d %d %d %d\n"
++ "#InitTask:\t%d\t%d %d\n",
++ atomic_read(&vx_global_ctotal),
++ atomic_read(&vx_global_cactive),
++ atomic_read(&vs_global_nsproxy),
++ atomic_read(&vs_global_fs),
++ atomic_read(&vs_global_mnt_ns),
++ atomic_read(&vs_global_uts_ns),
++ atomic_read(&nr_ipc_ns),
++ atomic_read(&vs_global_user_ns),
++ atomic_read(&vs_global_pid_ns),
++ atomic_read(&init_task.usage),
++ atomic_read(&init_task.nsproxy->count),
++ init_task.fs->users);
++}
++
++
++int proc_vxi_info(struct vx_info *vxi, char *buffer)
++{
++ int length;
++
++ length = sprintf(buffer,
++ "ID:\t%d\n"
++ "Info:\t%p\n"
++ "Init:\t%d\n"
++ "OOM:\t%lld\n",
++ vxi->vx_id,
++ vxi,
++ vxi->vx_initpid,
++ vxi->vx_badness_bias);
++ return length;
++}
++
++int proc_vxi_status(struct vx_info *vxi, char *buffer)
++{
++ char *orig = buffer;
++
++ buffer += sprintf(buffer,
++ "UseCnt:\t%d\n"
++ "Tasks:\t%d\n"
++ "Flags:\t%016llx\n",
++ atomic_read(&vxi->vx_usecnt),
++ atomic_read(&vxi->vx_tasks),
++ (unsigned long long)vxi->vx_flags);
++
++ buffer += sprintf(buffer, "BCaps:\t");
++ buffer = print_cap_t(buffer, &vxi->vx_bcaps);
++ buffer += sprintf(buffer, "\n");
++
++ buffer += sprintf(buffer,
++ "CCaps:\t%016llx\n"
++ "Umask:\t%16llx\n"
++ "Wmask:\t%16llx\n"
++ "Spaces:\t%08lx %08lx\n",
++ (unsigned long long)vxi->vx_ccaps,
++ (unsigned long long)vxi->vx_umask,
++ (unsigned long long)vxi->vx_wmask,
++ vxi->space[0].vx_nsmask, vxi->space[1].vx_nsmask);
++ return buffer - orig;
++}
++
++int proc_vxi_limit(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_limit(&vxi->limit, buffer);
++}
++
++int proc_vxi_sched(struct vx_info *vxi, char *buffer)
++{
++ int cpu, length;
++
++ length = vx_info_proc_sched(&vxi->sched, buffer);
++ for_each_online_cpu(cpu) {
++ length += vx_info_proc_sched_pc(
++ &vx_per_cpu(vxi, sched_pc, cpu),
++ buffer + length, cpu);
++ }
++ return length;
++}
++
++int proc_vxi_nsproxy0(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_nsproxy(vxi->space[0].vx_nsproxy, buffer);
++}
++
++int proc_vxi_nsproxy1(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_nsproxy(vxi->space[1].vx_nsproxy, buffer);
++}
++
++int proc_vxi_cvirt(struct vx_info *vxi, char *buffer)
++{
++ int cpu, length;
++
++ vx_update_load(vxi);
++ length = vx_info_proc_cvirt(&vxi->cvirt, buffer);
++ for_each_online_cpu(cpu) {
++ length += vx_info_proc_cvirt_pc(
++ &vx_per_cpu(vxi, cvirt_pc, cpu),
++ buffer + length, cpu);
++ }
++ return length;
++}
++
++int proc_vxi_cacct(struct vx_info *vxi, char *buffer)
++{
++ return vx_info_proc_cacct(&vxi->cacct, buffer);
++}
++
++
++static int proc_virtnet_info(char *buffer)
++{
++ return proc_vci(buffer);
++}
++
++static int proc_virtnet_status(char *buffer)
++{
++ return sprintf(buffer,
++ "#CTotal:\t%d\n"
++ "#CActive:\t%d\n",
++ atomic_read(&nx_global_ctotal),
++ atomic_read(&nx_global_cactive));
++}
++
++int proc_nxi_info(struct nx_info *nxi, char *buffer)
++{
++ struct nx_addr_v4 *v4a;
++#ifdef CONFIG_IPV6
++ struct nx_addr_v6 *v6a;
++#endif
++ int length, i;
++
++ length = sprintf(buffer,
++ "ID:\t%d\n"
++ "Info:\t%p\n"
++ "Bcast:\t" NIPQUAD_FMT "\n"
++ "Lback:\t" NIPQUAD_FMT "\n",
++ nxi->nx_id,
++ nxi,
++ NIPQUAD(nxi->v4_bcast.s_addr),
++ NIPQUAD(nxi->v4_lback.s_addr));
++
++ if (!NX_IPV4(nxi))
++ goto skip_v4;
++ for (i = 0, v4a = &nxi->v4; v4a; i++, v4a = v4a->next)
++ length += sprintf(buffer + length, "%d:\t" NXAV4_FMT "\n",
++ i, NXAV4(v4a));
++skip_v4:
++#ifdef CONFIG_IPV6
++ if (!NX_IPV6(nxi))
++ goto skip_v6;
++ for (i = 0, v6a = &nxi->v6; v6a; i++, v6a = v6a->next)
++ length += sprintf(buffer + length, "%d:\t" NXAV6_FMT "\n",
++ i, NXAV6(v6a));
++skip_v6:
++#endif
++ return length;
++}
++
++int proc_nxi_status(struct nx_info *nxi, char *buffer)
++{
++ int length;
++
++ length = sprintf(buffer,
++ "UseCnt:\t%d\n"
++ "Tasks:\t%d\n"
++ "Flags:\t%016llx\n"
++ "NCaps:\t%016llx\n",
++ atomic_read(&nxi->nx_usecnt),
++ atomic_read(&nxi->nx_tasks),
++ (unsigned long long)nxi->nx_flags,
++ (unsigned long long)nxi->nx_ncaps);
++ return length;
++}
++
++
++
++/* here the inode helpers */
++
++struct vs_entry {
++ int len;
++ char *name;
++ mode_t mode;
++ struct inode_operations *iop;
++ struct file_operations *fop;
++ union proc_op op;
++};
++
++static struct inode *vs_proc_make_inode(struct super_block *sb, struct vs_entry *p)
++{
++ struct inode *inode = new_inode(sb);
++
++ if (!inode)
++ goto out;
++
++ inode->i_mode = p->mode;
++ if (p->iop)
++ inode->i_op = p->iop;
++ if (p->fop)
++ inode->i_fop = p->fop;
++
++ set_nlink(inode, (p->mode & S_IFDIR) ? 2 : 1);
++ inode->i_flags |= S_IMMUTABLE;
++
++ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
++
++ inode->i_uid = 0;
++ inode->i_gid = 0;
++ inode->i_tag = 0;
++out:
++ return inode;
++}
++
++static struct dentry *vs_proc_instantiate(struct inode *dir,
++ struct dentry *dentry, int id, void *ptr)
++{
++ struct vs_entry *p = ptr;
++ struct inode *inode = vs_proc_make_inode(dir->i_sb, p);
++ struct dentry *error = ERR_PTR(-EINVAL);
++
++ if (!inode)
++ goto out;
++
++ PROC_I(inode)->op = p->op;
++ PROC_I(inode)->fd = id;
++ d_add(dentry, inode);
++ error = NULL;
++out:
++ return error;
++}
++
++/* Lookups */
++
++typedef struct dentry *instantiate_t(struct inode *, struct dentry *, int, void *);
++
++/*
++ * Fill a directory entry.
++ *
++ * If possible create the dcache entry and derive our inode number and
++ * file type from dcache entry.
++ *
++ * Since all of the proc inode numbers are dynamically generated, the inode
++ * numbers do not exist until the inode is cache. This means creating the
++ * the dcache entry in readdir is necessary to keep the inode numbers
++ * reported by readdir in sync with the inode numbers reported
++ * by stat.
++ */
++static int proc_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
++ char *name, int len, instantiate_t instantiate, int id, void *ptr)
++{
++ struct dentry *child, *dir = filp->f_dentry;
++ struct inode *inode;
++ struct qstr qname;
++ ino_t ino = 0;
++ unsigned type = DT_UNKNOWN;
++
++ qname.name = name;
++ qname.len = len;
++ qname.hash = full_name_hash(name, len);
++
++ child = d_lookup(dir, &qname);
++ if (!child) {
++ struct dentry *new;
++ new = d_alloc(dir, &qname);
++ if (new) {
++ child = instantiate(dir->d_inode, new, id, ptr);
++ if (child)
++ dput(new);
++ else
++ child = new;
++ }
++ }
++ if (!child || IS_ERR(child) || !child->d_inode)
++ goto end_instantiate;
++ inode = child->d_inode;
++ if (inode) {
++ ino = inode->i_ino;
++ type = inode->i_mode >> 12;
++ }
++ dput(child);
++end_instantiate:
++ if (!ino)
++ ino = find_inode_number(dir, &qname);
++ if (!ino)
++ ino = 1;
++ return filldir(dirent, name, len, filp->f_pos, ino, type);
++}
++
++
++
++/* get and revalidate vx_info/xid */
++
++static inline
++struct vx_info *get_proc_vx_info(struct inode *inode)
++{
++ return lookup_vx_info(PROC_I(inode)->fd);
++}
++
++static int proc_xid_revalidate(struct dentry *dentry, unsigned int flags)
++{
++ struct inode *inode = dentry->d_inode;
++ xid_t xid = PROC_I(inode)->fd;
++
++ if (flags & LOOKUP_RCU) /* FIXME: can be dropped? */
++ return -ECHILD;
++
++ if (!xid || xid_is_hashed(xid))
++ return 1;
++ d_drop(dentry);
++ return 0;
++}
++
++
++/* get and revalidate nx_info/nid */
++
++static int proc_nid_revalidate(struct dentry *dentry, unsigned int flags)
++{
++ struct inode *inode = dentry->d_inode;
++ nid_t nid = PROC_I(inode)->fd;
++
++ if (flags & LOOKUP_RCU) /* FIXME: can be dropped? */
++ return -ECHILD;
++
++ if (!nid || nid_is_hashed(nid))
++ return 1;
++ d_drop(dentry);
++ return 0;
++}
++
++
++
++#define PROC_BLOCK_SIZE (PAGE_SIZE - 1024)
++
++static ssize_t proc_vs_info_read(struct file *file, char __user *buf,
++ size_t count, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ unsigned long page;
++ ssize_t length = 0;
++
++ if (count > PROC_BLOCK_SIZE)
++ count = PROC_BLOCK_SIZE;
++
++ /* fade that out as soon as stable */
++ WARN_ON(PROC_I(inode)->fd);
++
++ if (!(page = __get_free_page(GFP_KERNEL)))
++ return -ENOMEM;
++
++ BUG_ON(!PROC_I(inode)->op.proc_vs_read);
++ length = PROC_I(inode)->op.proc_vs_read((char *)page);
++
++ if (length >= 0)
++ length = simple_read_from_buffer(buf, count, ppos,
++ (char *)page, length);
++
++ free_page(page);
++ return length;
++}
++
++static ssize_t proc_vx_info_read(struct file *file, char __user *buf,
++ size_t count, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ struct vx_info *vxi = NULL;
++ xid_t xid = PROC_I(inode)->fd;
++ unsigned long page;
++ ssize_t length = 0;
++
++ if (count > PROC_BLOCK_SIZE)
++ count = PROC_BLOCK_SIZE;
++
++ /* fade that out as soon as stable */
++ WARN_ON(!xid);
++ vxi = lookup_vx_info(xid);
++ if (!vxi)
++ goto out;
++
++ length = -ENOMEM;
++ if (!(page = __get_free_page(GFP_KERNEL)))
++ goto out_put;
++
++ BUG_ON(!PROC_I(inode)->op.proc_vxi_read);
++ length = PROC_I(inode)->op.proc_vxi_read(vxi, (char *)page);
++
++ if (length >= 0)
++ length = simple_read_from_buffer(buf, count, ppos,
++ (char *)page, length);
++
++ free_page(page);
++out_put:
++ put_vx_info(vxi);
++out:
++ return length;
++}
++
++static ssize_t proc_nx_info_read(struct file *file, char __user *buf,
++ size_t count, loff_t *ppos)
++{
++ struct inode *inode = file->f_dentry->d_inode;
++ struct nx_info *nxi = NULL;
++ nid_t nid = PROC_I(inode)->fd;
++ unsigned long page;
++ ssize_t length = 0;
++
++ if (count > PROC_BLOCK_SIZE)
++ count = PROC_BLOCK_SIZE;
++
++ /* fade that out as soon as stable */
++ WARN_ON(!nid);
++ nxi = lookup_nx_info(nid);
++ if (!nxi)
++ goto out;
++
++ length = -ENOMEM;
++ if (!(page = __get_free_page(GFP_KERNEL)))
++ goto out_put;
++
++ BUG_ON(!PROC_I(inode)->op.proc_nxi_read);
++ length = PROC_I(inode)->op.proc_nxi_read(nxi, (char *)page);
++
++ if (length >= 0)
++ length = simple_read_from_buffer(buf, count, ppos,
++ (char *)page, length);
++
++ free_page(page);
++out_put:
++ put_nx_info(nxi);
++out:
++ return length;
++}
++
++
++
++/* here comes the lower level */
++
++
++#define NOD(NAME, MODE, IOP, FOP, OP) { \
++ .len = sizeof(NAME) - 1, \
++ .name = (NAME), \
++ .mode = MODE, \
++ .iop = IOP, \
++ .fop = FOP, \
++ .op = OP, \
++}
++
++
++#define DIR(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFDIR | (MODE)), \
++ &proc_ ## OTYPE ## _inode_operations, \
++ &proc_ ## OTYPE ## _file_operations, { } )
++
++#define INF(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFREG | (MODE)), NULL, \
++ &proc_vs_info_file_operations, \
++ { .proc_vs_read = &proc_##OTYPE } )
++
++#define VINF(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFREG | (MODE)), NULL, \
++ &proc_vx_info_file_operations, \
++ { .proc_vxi_read = &proc_##OTYPE } )
++
++#define NINF(NAME, MODE, OTYPE) \
++ NOD(NAME, (S_IFREG | (MODE)), NULL, \
++ &proc_nx_info_file_operations, \
++ { .proc_nxi_read = &proc_##OTYPE } )
++
++
++static struct file_operations proc_vs_info_file_operations = {
++ .read = proc_vs_info_read,
++};
++
++static struct file_operations proc_vx_info_file_operations = {
++ .read = proc_vx_info_read,
++};
++
++static struct dentry_operations proc_xid_dentry_operations = {
++ .d_revalidate = proc_xid_revalidate,
++};
++
++static struct vs_entry vx_base_stuff[] = {
++ VINF("info", S_IRUGO, vxi_info),
++ VINF("status", S_IRUGO, vxi_status),
++ VINF("limit", S_IRUGO, vxi_limit),
++ VINF("sched", S_IRUGO, vxi_sched),
++ VINF("nsproxy", S_IRUGO, vxi_nsproxy0),
++ VINF("nsproxy1",S_IRUGO, vxi_nsproxy1),
++ VINF("cvirt", S_IRUGO, vxi_cvirt),
++ VINF("cacct", S_IRUGO, vxi_cacct),
++ {}
++};
++
++
++
++
++static struct dentry *proc_xid_instantiate(struct inode *dir,
++ struct dentry *dentry, int id, void *ptr)
++{
++ dentry->d_op = &proc_xid_dentry_operations;
++ return vs_proc_instantiate(dir, dentry, id, ptr);
++}
++
++static struct dentry *proc_xid_lookup(struct inode *dir,
++ struct dentry *dentry, unsigned int flags)
++{
++ struct vs_entry *p = vx_base_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (!p->name)
++ goto out;
++
++ error = proc_xid_instantiate(dir, dentry, PROC_I(dir)->fd, p);
++out:
++ return error;
++}
++
++static int proc_xid_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = vx_base_stuff;
++ int size = sizeof(vx_base_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto out;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, PROC_I(inode)->fd, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 1;
++}
++
++
++
++static struct file_operations proc_nx_info_file_operations = {
++ .read = proc_nx_info_read,
++};
++
++static struct dentry_operations proc_nid_dentry_operations = {
++ .d_revalidate = proc_nid_revalidate,
++};
++
++static struct vs_entry nx_base_stuff[] = {
++ NINF("info", S_IRUGO, nxi_info),
++ NINF("status", S_IRUGO, nxi_status),
++ {}
++};
++
++
++static struct dentry *proc_nid_instantiate(struct inode *dir,
++ struct dentry *dentry, int id, void *ptr)
++{
++ dentry->d_op = &proc_nid_dentry_operations;
++ return vs_proc_instantiate(dir, dentry, id, ptr);
++}
++
++static struct dentry *proc_nid_lookup(struct inode *dir,
++ struct dentry *dentry, unsigned int flags)
++{
++ struct vs_entry *p = nx_base_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (!p->name)
++ goto out;
++
++ error = proc_nid_instantiate(dir, dentry, PROC_I(dir)->fd, p);
++out:
++ return error;
++}
++
++static int proc_nid_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = nx_base_stuff;
++ int size = sizeof(nx_base_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto out;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, PROC_I(inode)->fd, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 1;
++}
++
++
++#define MAX_MULBY10 ((~0U - 9) / 10)
++
++static inline int atovid(const char *str, int len)
++{
++ int vid, c;
++
++ vid = 0;
++ while (len-- > 0) {
++ c = *str - '0';
++ str++;
++ if (c > 9)
++ return -1;
++ if (vid >= MAX_MULBY10)
++ return -1;
++ vid *= 10;
++ vid += c;
++ if (!vid)
++ return -1;
++ }
++ return vid;
++}
++
++/* now the upper level (virtual) */
++
++
++static struct file_operations proc_xid_file_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_xid_readdir,
++};
++
++static struct inode_operations proc_xid_inode_operations = {
++ .lookup = proc_xid_lookup,
++};
++
++static struct vs_entry vx_virtual_stuff[] = {
++ INF("info", S_IRUGO, virtual_info),
++ INF("status", S_IRUGO, virtual_status),
++ DIR(NULL, S_IRUGO | S_IXUGO, xid),
++};
++
++
++static struct dentry *proc_virtual_lookup(struct inode *dir,
++ struct dentry *dentry, unsigned int flags)
++{
++ struct vs_entry *p = vx_virtual_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++ int id = 0;
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (p->name)
++ goto instantiate;
++
++ id = atovid(dentry->d_name.name, dentry->d_name.len);
++ if ((id < 0) || !xid_is_hashed(id))
++ goto out;
++
++instantiate:
++ error = proc_xid_instantiate(dir, dentry, id, p);
++out:
++ return error;
++}
++
++static struct file_operations proc_nid_file_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_nid_readdir,
++};
++
++static struct inode_operations proc_nid_inode_operations = {
++ .lookup = proc_nid_lookup,
++};
++
++static struct vs_entry nx_virtnet_stuff[] = {
++ INF("info", S_IRUGO, virtnet_info),
++ INF("status", S_IRUGO, virtnet_status),
++ DIR(NULL, S_IRUGO | S_IXUGO, nid),
++};
++
++
++static struct dentry *proc_virtnet_lookup(struct inode *dir,
++ struct dentry *dentry, unsigned int flags)
++{
++ struct vs_entry *p = nx_virtnet_stuff;
++ struct dentry *error = ERR_PTR(-ENOENT);
++ int id = 0;
++
++ for (; p->name; p++) {
++ if (p->len != dentry->d_name.len)
++ continue;
++ if (!memcmp(dentry->d_name.name, p->name, p->len))
++ break;
++ }
++ if (p->name)
++ goto instantiate;
++
++ id = atovid(dentry->d_name.name, dentry->d_name.len);
++ if ((id < 0) || !nid_is_hashed(id))
++ goto out;
++
++instantiate:
++ error = proc_nid_instantiate(dir, dentry, id, p);
++out:
++ return error;
++}
++
++
++#define PROC_MAXVIDS 32
++
++int proc_virtual_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = vx_virtual_stuff;
++ int size = sizeof(vx_virtual_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ unsigned int xid_array[PROC_MAXVIDS];
++ char buf[PROC_NUMBUF];
++ unsigned int nr_xids, i;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto entries;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, 0, p))
++ goto out;
++ pos++;
++ }
++ entries:
++ index = pos - size;
++ p = &vx_virtual_stuff[size - 1];
++ nr_xids = get_xid_list(index, xid_array, PROC_MAXVIDS);
++ for (i = 0; i < nr_xids; i++) {
++ int n, xid = xid_array[i];
++ unsigned int j = PROC_NUMBUF;
++
++ n = xid;
++ do
++ buf[--j] = '0' + (n % 10);
++ while (n /= 10);
++
++ if (proc_fill_cache(filp, dirent, filldir,
++ buf + j, PROC_NUMBUF - j,
++ vs_proc_instantiate, xid, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 0;
++}
++
++static int proc_virtual_getattr(struct vfsmount *mnt,
++ struct dentry *dentry, struct kstat *stat)
++{
++ struct inode *inode = dentry->d_inode;
++
++ generic_fillattr(inode, stat);
++ stat->nlink = 2 + atomic_read(&vx_global_cactive);
++ return 0;
++}
++
++static struct file_operations proc_virtual_dir_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_virtual_readdir,
++};
++
++static struct inode_operations proc_virtual_dir_inode_operations = {
++ .getattr = proc_virtual_getattr,
++ .lookup = proc_virtual_lookup,
++};
++
++
++
++
++
++int proc_virtnet_readdir(struct file *filp,
++ void *dirent, filldir_t filldir)
++{
++ struct dentry *dentry = filp->f_dentry;
++ struct inode *inode = dentry->d_inode;
++ struct vs_entry *p = nx_virtnet_stuff;
++ int size = sizeof(nx_virtnet_stuff) / sizeof(struct vs_entry);
++ int pos, index;
++ unsigned int nid_array[PROC_MAXVIDS];
++ char buf[PROC_NUMBUF];
++ unsigned int nr_nids, i;
++ u64 ino;
++
++ pos = filp->f_pos;
++ switch (pos) {
++ case 0:
++ ino = inode->i_ino;
++ if (filldir(dirent, ".", 1, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ case 1:
++ ino = parent_ino(dentry);
++ if (filldir(dirent, "..", 2, pos, ino, DT_DIR) < 0)
++ goto out;
++ pos++;
++ /* fall through */
++ default:
++ index = pos - 2;
++ if (index >= size)
++ goto entries;
++ for (p += index; p->name; p++) {
++ if (proc_fill_cache(filp, dirent, filldir, p->name, p->len,
++ vs_proc_instantiate, 0, p))
++ goto out;
++ pos++;
++ }
++ entries:
++ index = pos - size;
++ p = &nx_virtnet_stuff[size - 1];
++ nr_nids = get_nid_list(index, nid_array, PROC_MAXVIDS);
++ for (i = 0; i < nr_nids; i++) {
++ int n, nid = nid_array[i];
++ unsigned int j = PROC_NUMBUF;
++
++ n = nid;
++ do
++ buf[--j] = '0' + (n % 10);
++ while (n /= 10);
++
++ if (proc_fill_cache(filp, dirent, filldir,
++ buf + j, PROC_NUMBUF - j,
++ vs_proc_instantiate, nid, p))
++ goto out;
++ pos++;
++ }
++ }
++out:
++ filp->f_pos = pos;
++ return 0;
++}
++
++static int proc_virtnet_getattr(struct vfsmount *mnt,
++ struct dentry *dentry, struct kstat *stat)
++{
++ struct inode *inode = dentry->d_inode;
++
++ generic_fillattr(inode, stat);
++ stat->nlink = 2 + atomic_read(&nx_global_cactive);
++ return 0;
++}
++
++static struct file_operations proc_virtnet_dir_operations = {
++ .read = generic_read_dir,
++ .readdir = proc_virtnet_readdir,
++};
++
++static struct inode_operations proc_virtnet_dir_inode_operations = {
++ .getattr = proc_virtnet_getattr,
++ .lookup = proc_virtnet_lookup,
++};
++
++
++
++void proc_vx_init(void)
++{
++ struct proc_dir_entry *ent;
++
++ ent = proc_mkdir("virtual", 0);
++ if (ent) {
++ ent->proc_fops = &proc_virtual_dir_operations;
++ ent->proc_iops = &proc_virtual_dir_inode_operations;
++ }
++ proc_virtual = ent;
++
++ ent = proc_mkdir("virtnet", 0);
++ if (ent) {
++ ent->proc_fops = &proc_virtnet_dir_operations;
++ ent->proc_iops = &proc_virtnet_dir_inode_operations;
++ }
++ proc_virtnet = ent;
++}
++
++
++
++
++/* per pid info */
++
++
++int proc_pid_vx_info(struct task_struct *p, char *buffer)
++{
++ struct vx_info *vxi;
++ char *orig = buffer;
++
++ buffer += sprintf(buffer, "XID:\t%d\n", vx_task_xid(p));
++
++ vxi = task_get_vx_info(p);
++ if (!vxi)
++ goto out;
++
++ buffer += sprintf(buffer, "BCaps:\t");
++ buffer = print_cap_t(buffer, &vxi->vx_bcaps);
++ buffer += sprintf(buffer, "\n");
++ buffer += sprintf(buffer, "CCaps:\t%016llx\n",
++ (unsigned long long)vxi->vx_ccaps);
++ buffer += sprintf(buffer, "CFlags:\t%016llx\n",
++ (unsigned long long)vxi->vx_flags);
++ buffer += sprintf(buffer, "CIPid:\t%d\n", vxi->vx_initpid);
++
++ put_vx_info(vxi);
++out:
++ return buffer - orig;
++}
++
++
++int proc_pid_nx_info(struct task_struct *p, char *buffer)
++{
++ struct nx_info *nxi;
++ struct nx_addr_v4 *v4a;
++#ifdef CONFIG_IPV6
++ struct nx_addr_v6 *v6a;
++#endif
++ char *orig = buffer;
++ int i;
++
++ buffer += sprintf(buffer, "NID:\t%d\n", nx_task_nid(p));
++
++ nxi = task_get_nx_info(p);
++ if (!nxi)
++ goto out;
++
++ buffer += sprintf(buffer, "NCaps:\t%016llx\n",
++ (unsigned long long)nxi->nx_ncaps);
++ buffer += sprintf(buffer, "NFlags:\t%016llx\n",
++ (unsigned long long)nxi->nx_flags);
++
++ buffer += sprintf(buffer,
++ "V4Root[bcast]:\t" NIPQUAD_FMT "\n",
++ NIPQUAD(nxi->v4_bcast.s_addr));
++ buffer += sprintf (buffer,
++ "V4Root[lback]:\t" NIPQUAD_FMT "\n",
++ NIPQUAD(nxi->v4_lback.s_addr));
++ if (!NX_IPV4(nxi))
++ goto skip_v4;
++ for (i = 0, v4a = &nxi->v4; v4a; i++, v4a = v4a->next)
++ buffer += sprintf(buffer, "V4Root[%d]:\t" NXAV4_FMT "\n",
++ i, NXAV4(v4a));
++skip_v4:
++#ifdef CONFIG_IPV6
++ if (!NX_IPV6(nxi))
++ goto skip_v6;
++ for (i = 0, v6a = &nxi->v6; v6a; i++, v6a = v6a->next)
++ buffer += sprintf(buffer, "V6Root[%d]:\t" NXAV6_FMT "\n",
++ i, NXAV6(v6a));
++skip_v6:
++#endif
++ put_nx_info(nxi);
++out:
++ return buffer - orig;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/sched.c linux-3.7.10-vs2.3.5.6/kernel/vserver/sched.c
+--- linux-3.7.10/kernel/vserver/sched.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/sched.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,83 @@
++/*
++ * linux/kernel/vserver/sched.c
++ *
++ * Virtual Server: Scheduler Support
++ *
++ * Copyright (C) 2004-2010 Herbert Pötzl
++ *
++ * V0.01 adapted Sam Vilains version to 2.6.3
++ * V0.02 removed legacy interface
++ * V0.03 changed vcmds to vxi arg
++ * V0.04 removed older and legacy interfaces
++ * V0.05 removed scheduler code/commands
++ *
++ */
++
++#include <linux/vs_context.h>
++#include <linux/vs_sched.h>
++#include <linux/cpumask.h>
++#include <linux/vserver/sched_cmd.h>
++
++#include <asm/uaccess.h>
++
++
++void vx_update_sched_param(struct _vx_sched *sched,
++ struct _vx_sched_pc *sched_pc)
++{
++ sched_pc->prio_bias = sched->prio_bias;
++}
++
++static int do_set_prio_bias(struct vx_info *vxi, struct vcmd_prio_bias *data)
++{
++ int cpu;
++
++ if (data->prio_bias > MAX_PRIO_BIAS)
++ data->prio_bias = MAX_PRIO_BIAS;
++ if (data->prio_bias < MIN_PRIO_BIAS)
++ data->prio_bias = MIN_PRIO_BIAS;
++
++ if (data->cpu_id != ~0) {
++ vxi->sched.update = cpumask_of_cpu(data->cpu_id);
++ cpumask_and(&vxi->sched.update, &vxi->sched.update,
++ cpu_online_mask);
++ } else
++ cpumask_copy(&vxi->sched.update, cpu_online_mask);
++
++ for_each_cpu_mask(cpu, vxi->sched.update)
++ vx_update_sched_param(&vxi->sched,
++ &vx_per_cpu(vxi, sched_pc, cpu));
++ return 0;
++}
++
++int vc_set_prio_bias(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_prio_bias vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return do_set_prio_bias(vxi, &vc_data);
++}
++
++int vc_get_prio_bias(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_prio_bias vc_data;
++ struct _vx_sched_pc *pcd;
++ int cpu;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ cpu = vc_data.cpu_id;
++
++ if (!cpu_possible(cpu))
++ return -EINVAL;
++
++ pcd = &vx_per_cpu(vxi, sched_pc, cpu);
++ vc_data.prio_bias = pcd->prio_bias;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ return -EFAULT;
++ return 0;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/sched_init.h linux-3.7.10-vs2.3.5.6/kernel/vserver/sched_init.h
+--- linux-3.7.10/kernel/vserver/sched_init.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/sched_init.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,27 @@
++
++static inline void vx_info_init_sched(struct _vx_sched *sched)
++{
++ /* scheduling; hard code starting values as constants */
++ sched->prio_bias = 0;
++}
++
++static inline
++void vx_info_init_sched_pc(struct _vx_sched_pc *sched_pc, int cpu)
++{
++ sched_pc->prio_bias = 0;
++
++ sched_pc->user_ticks = 0;
++ sched_pc->sys_ticks = 0;
++ sched_pc->hold_ticks = 0;
++}
++
++static inline void vx_info_exit_sched(struct _vx_sched *sched)
++{
++ return;
++}
++
++static inline
++void vx_info_exit_sched_pc(struct _vx_sched_pc *sched_pc, int cpu)
++{
++ return;
++}
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/sched_proc.h linux-3.7.10-vs2.3.5.6/kernel/vserver/sched_proc.h
+--- linux-3.7.10/kernel/vserver/sched_proc.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/sched_proc.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,32 @@
++#ifndef _VX_SCHED_PROC_H
++#define _VX_SCHED_PROC_H
++
++
++static inline
++int vx_info_proc_sched(struct _vx_sched *sched, char *buffer)
++{
++ int length = 0;
++
++ length += sprintf(buffer,
++ "PrioBias:\t%8d\n",
++ sched->prio_bias);
++ return length;
++}
++
++static inline
++int vx_info_proc_sched_pc(struct _vx_sched_pc *sched_pc,
++ char *buffer, int cpu)
++{
++ int length = 0;
++
++ length += sprintf(buffer + length,
++ "cpu %d: %lld %lld %lld", cpu,
++ (unsigned long long)sched_pc->user_ticks,
++ (unsigned long long)sched_pc->sys_ticks,
++ (unsigned long long)sched_pc->hold_ticks);
++ length += sprintf(buffer + length,
++ " %d\n", sched_pc->prio_bias);
++ return length;
++}
++
++#endif /* _VX_SCHED_PROC_H */
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/signal.c linux-3.7.10-vs2.3.5.6/kernel/vserver/signal.c
+--- linux-3.7.10/kernel/vserver/signal.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/signal.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,134 @@
++/*
++ * linux/kernel/vserver/signal.c
++ *
++ * Virtual Server: Signal Support
++ *
++ * Copyright (C) 2003-2007 Herbert Pötzl
++ *
++ * V0.01 broken out from vcontext V0.05
++ * V0.02 changed vcmds to vxi arg
++ * V0.03 adjusted siginfo for kill
++ *
++ */
++
++#include <asm/uaccess.h>
++
++#include <linux/vs_context.h>
++#include <linux/vs_pid.h>
++#include <linux/vserver/signal_cmd.h>
++
++
++int vx_info_kill(struct vx_info *vxi, int pid, int sig)
++{
++ int retval, count = 0;
++ struct task_struct *p;
++ struct siginfo *sip = SEND_SIG_PRIV;
++
++ retval = -ESRCH;
++ vxdprintk(VXD_CBIT(misc, 4),
++ "vx_info_kill(%p[#%d],%d,%d)*",
++ vxi, vxi->vx_id, pid, sig);
++ read_lock(&tasklist_lock);
++ switch (pid) {
++ case 0:
++ case -1:
++ for_each_process(p) {
++ int err = 0;
++
++ if (vx_task_xid(p) != vxi->vx_id || p->pid <= 1 ||
++ (pid && vxi->vx_initpid == p->pid))
++ continue;
++
++ err = group_send_sig_info(sig, sip, p);
++ ++count;
++ if (err != -EPERM)
++ retval = err;
++ }
++ break;
++
++ case 1:
++ if (vxi->vx_initpid) {
++ pid = vxi->vx_initpid;
++ /* for now, only SIGINT to private init ... */
++ if (!vx_info_flags(vxi, VXF_STATE_ADMIN, 0) &&
++ /* ... as long as there are tasks left */
++ (atomic_read(&vxi->vx_tasks) > 1))
++ sig = SIGINT;
++ }
++ /* fallthrough */
++ default:
++ rcu_read_lock();
++ p = find_task_by_real_pid(pid);
++ rcu_read_unlock();
++ if (p) {
++ if (vx_task_xid(p) == vxi->vx_id)
++ retval = group_send_sig_info(sig, sip, p);
++ }
++ break;
++ }
++ read_unlock(&tasklist_lock);
++ vxdprintk(VXD_CBIT(misc, 4),
++ "vx_info_kill(%p[#%d],%d,%d,%ld) = %d",
++ vxi, vxi->vx_id, pid, sig, (long)sip, retval);
++ return retval;
++}
++
++int vc_ctx_kill(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_ctx_kill_v0 vc_data;
++
++ if (copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ /* special check to allow guest shutdown */
++ if (!vx_info_flags(vxi, VXF_STATE_ADMIN, 0) &&
++ /* forbid killall pid=0 when init is present */
++ (((vc_data.pid < 1) && vxi->vx_initpid) ||
++ (vc_data.pid > 1)))
++ return -EACCES;
++
++ return vx_info_kill(vxi, vc_data.pid, vc_data.sig);
++}
++
++
++static int __wait_exit(struct vx_info *vxi)
++{
++ DECLARE_WAITQUEUE(wait, current);
++ int ret = 0;
++
++ add_wait_queue(&vxi->vx_wait, &wait);
++ set_current_state(TASK_INTERRUPTIBLE);
++
++wait:
++ if (vx_info_state(vxi,
++ VXS_SHUTDOWN | VXS_HASHED | VXS_HELPER) == VXS_SHUTDOWN)
++ goto out;
++ if (signal_pending(current)) {
++ ret = -ERESTARTSYS;
++ goto out;
++ }
++ schedule();
++ goto wait;
++
++out:
++ set_current_state(TASK_RUNNING);
++ remove_wait_queue(&vxi->vx_wait, &wait);
++ return ret;
++}
++
++
++
++int vc_wait_exit(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_wait_exit_v0 vc_data;
++ int ret;
++
++ ret = __wait_exit(vxi);
++ vc_data.reboot_cmd = vxi->reboot_cmd;
++ vc_data.exit_code = vxi->exit_code;
++
++ if (copy_to_user(data, &vc_data, sizeof(vc_data)))
++ ret = -EFAULT;
++ return ret;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/space.c linux-3.7.10-vs2.3.5.6/kernel/vserver/space.c
+--- linux-3.7.10/kernel/vserver/space.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/space.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,436 @@
++/*
++ * linux/kernel/vserver/space.c
++ *
++ * Virtual Server: Context Space Support
++ *
++ * Copyright (C) 2003-2010 Herbert Pötzl
++ *
++ * V0.01 broken out from context.c 0.07
++ * V0.02 added task locking for namespace
++ * V0.03 broken out vx_enter_namespace
++ * V0.04 added *space support and commands
++ * V0.05 added credential support
++ *
++ */
++
++#include <linux/utsname.h>
++#include <linux/nsproxy.h>
++#include <linux/err.h>
++#include <linux/fs_struct.h>
++#include <linux/cred.h>
++#include <asm/uaccess.h>
++
++#include <linux/vs_context.h>
++#include <linux/vserver/space.h>
++#include <linux/vserver/space_cmd.h>
++
++atomic_t vs_global_nsproxy = ATOMIC_INIT(0);
++atomic_t vs_global_fs = ATOMIC_INIT(0);
++atomic_t vs_global_mnt_ns = ATOMIC_INIT(0);
++atomic_t vs_global_uts_ns = ATOMIC_INIT(0);
++atomic_t vs_global_user_ns = ATOMIC_INIT(0);
++atomic_t vs_global_pid_ns = ATOMIC_INIT(0);
++
++
++/* namespace functions */
++
++#include <linux/mnt_namespace.h>
++#include <linux/user_namespace.h>
++#include <linux/pid_namespace.h>
++#include <linux/ipc_namespace.h>
++#include <net/net_namespace.h>
++#include "../fs/mount.h"
++
++
++static const struct vcmd_space_mask_v1 space_mask_v0 = {
++ .mask = CLONE_FS |
++ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
++ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
++ CLONE_NEWIPC |
++#endif
++#ifdef CONFIG_USER_NS
++ CLONE_NEWUSER |
++#endif
++ 0
++};
++
++static const struct vcmd_space_mask_v1 space_mask = {
++ .mask = CLONE_FS |
++ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
++ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
++ CLONE_NEWIPC |
++#endif
++#ifdef CONFIG_USER_NS
++ CLONE_NEWUSER |
++#endif
++#ifdef CONFIG_PID_NS
++ CLONE_NEWPID |
++#endif
++#ifdef CONFIG_NET_NS
++ CLONE_NEWNET |
++#endif
++ 0
++};
++
++static const struct vcmd_space_mask_v1 default_space_mask = {
++ .mask = CLONE_FS |
++ CLONE_NEWNS |
++#ifdef CONFIG_UTS_NS
++ CLONE_NEWUTS |
++#endif
++#ifdef CONFIG_IPC_NS
++ CLONE_NEWIPC |
++#endif
++#ifdef CONFIG_USER_NS
++ CLONE_NEWUSER |
++#endif
++#ifdef CONFIG_PID_NS
++// CLONE_NEWPID |
++#endif
++ 0
++};
++
++/*
++ * build a new nsproxy mix
++ * assumes that both proxies are 'const'
++ * does not touch nsproxy refcounts
++ * will hold a reference on the result.
++ */
++
++struct nsproxy *vs_mix_nsproxy(struct nsproxy *old_nsproxy,
++ struct nsproxy *new_nsproxy, unsigned long mask)
++{
++ struct mnt_namespace *old_ns;
++ struct uts_namespace *old_uts;
++ struct ipc_namespace *old_ipc;
++#ifdef CONFIG_PID_NS
++ struct pid_namespace *old_pid;
++#endif
++#ifdef CONFIG_NET_NS
++ struct net *old_net;
++#endif
++ struct nsproxy *nsproxy;
++
++ nsproxy = copy_nsproxy(old_nsproxy);
++ if (!nsproxy)
++ goto out;
++
++ if (mask & CLONE_NEWNS) {
++ old_ns = nsproxy->mnt_ns;
++ nsproxy->mnt_ns = new_nsproxy->mnt_ns;
++ if (nsproxy->mnt_ns)
++ get_mnt_ns(nsproxy->mnt_ns);
++ } else
++ old_ns = NULL;
++
++ if (mask & CLONE_NEWUTS) {
++ old_uts = nsproxy->uts_ns;
++ nsproxy->uts_ns = new_nsproxy->uts_ns;
++ if (nsproxy->uts_ns)
++ get_uts_ns(nsproxy->uts_ns);
++ } else
++ old_uts = NULL;
++
++ if (mask & CLONE_NEWIPC) {
++ old_ipc = nsproxy->ipc_ns;
++ nsproxy->ipc_ns = new_nsproxy->ipc_ns;
++ if (nsproxy->ipc_ns)
++ get_ipc_ns(nsproxy->ipc_ns);
++ } else
++ old_ipc = NULL;
++
++#ifdef CONFIG_PID_NS
++ if (mask & CLONE_NEWPID) {
++ old_pid = nsproxy->pid_ns;
++ nsproxy->pid_ns = new_nsproxy->pid_ns;
++ if (nsproxy->pid_ns)
++ get_pid_ns(nsproxy->pid_ns);
++ } else
++ old_pid = NULL;
++#endif
++#ifdef CONFIG_NET_NS
++ if (mask & CLONE_NEWNET) {
++ old_net = nsproxy->net_ns;
++ nsproxy->net_ns = new_nsproxy->net_ns;
++ if (nsproxy->net_ns)
++ get_net(nsproxy->net_ns);
++ } else
++ old_net = NULL;
++#endif
++ if (old_ns)
++ put_mnt_ns(old_ns);
++ if (old_uts)
++ put_uts_ns(old_uts);
++ if (old_ipc)
++ put_ipc_ns(old_ipc);
++#ifdef CONFIG_PID_NS
++ if (old_pid)
++ put_pid_ns(old_pid);
++#endif
++#ifdef CONFIG_NET_NS
++ if (old_net)
++ put_net(old_net);
++#endif
++out:
++ return nsproxy;
++}
++
++
++/*
++ * merge two nsproxy structs into a new one.
++ * will hold a reference on the result.
++ */
++
++static inline
++struct nsproxy *__vs_merge_nsproxy(struct nsproxy *old,
++ struct nsproxy *proxy, unsigned long mask)
++{
++ struct nsproxy null_proxy = { .mnt_ns = NULL };
++
++ if (!proxy)
++ return NULL;
++
++ if (mask) {
++ /* vs_mix_nsproxy returns with reference */
++ return vs_mix_nsproxy(old ? old : &null_proxy,
++ proxy, mask);
++ }
++ get_nsproxy(proxy);
++ return proxy;
++}
++
++
++int vx_enter_space(struct vx_info *vxi, unsigned long mask, unsigned index)
++{
++ struct nsproxy *proxy, *proxy_cur, *proxy_new;
++ struct fs_struct *fs_cur, *fs = NULL;
++ struct _vx_space *space;
++ int ret, kill = 0;
++
++ vxdprintk(VXD_CBIT(space, 8), "vx_enter_space(%p[#%u],0x%08lx,%d)",
++ vxi, vxi->vx_id, mask, index);
++
++ if (vx_info_flags(vxi, VXF_INFO_PRIVATE, 0))
++ return -EACCES;
++
++ if (index >= VX_SPACES)
++ return -EINVAL;
++
++ space = &vxi->space[index];
++
++ if (!mask)
++ mask = space->vx_nsmask;
++
++ if ((mask & space->vx_nsmask) != mask)
++ return -EINVAL;
++
++ if (mask & CLONE_FS) {
++ fs = copy_fs_struct(space->vx_fs);
++ if (!fs)
++ return -ENOMEM;
++ }
++ proxy = space->vx_nsproxy;
++
++ vxdprintk(VXD_CBIT(space, 9),
++ "vx_enter_space(%p[#%u],0x%08lx,%d) -> (%p,%p)",
++ vxi, vxi->vx_id, mask, index, proxy, fs);
++
++ task_lock(current);
++ fs_cur = current->fs;
++
++ if (mask & CLONE_FS) {
++ spin_lock(&fs_cur->lock);
++ current->fs = fs;
++ kill = !--fs_cur->users;
++ spin_unlock(&fs_cur->lock);
++ }
++
++ proxy_cur = current->nsproxy;
++ get_nsproxy(proxy_cur);
++ task_unlock(current);
++
++ if (kill)
++ free_fs_struct(fs_cur);
++
++ proxy_new = __vs_merge_nsproxy(proxy_cur, proxy, mask);
++ if (IS_ERR(proxy_new)) {
++ ret = PTR_ERR(proxy_new);
++ goto out_put;
++ }
++
++ proxy_new = xchg(&current->nsproxy, proxy_new);
++
++ if (mask & CLONE_NEWUSER) {
++ struct cred *cred;
++
++ vxdprintk(VXD_CBIT(space, 10),
++ "vx_enter_space(%p[#%u],%p) cred (%p,%p)",
++ vxi, vxi->vx_id, space->vx_cred,
++ current->real_cred, current->cred);
++
++ if (space->vx_cred) {
++ cred = __prepare_creds(space->vx_cred);
++ if (cred)
++ commit_creds(cred);
++ }
++ }
++
++ ret = 0;
++
++ if (proxy_new)
++ put_nsproxy(proxy_new);
++out_put:
++ if (proxy_cur)
++ put_nsproxy(proxy_cur);
++ return ret;
++}
++
++
++int vx_set_space(struct vx_info *vxi, unsigned long mask, unsigned index)
++{
++ struct nsproxy *proxy_vxi, *proxy_cur, *proxy_new;
++ struct fs_struct *fs_vxi, *fs = NULL;
++ struct _vx_space *space;
++ int ret, kill = 0;
++
++ vxdprintk(VXD_CBIT(space, 8), "vx_set_space(%p[#%u],0x%08lx,%d)",
++ vxi, vxi->vx_id, mask, index);
++
++ if ((mask & space_mask.mask) != mask)
++ return -EINVAL;
++
++ if (index >= VX_SPACES)
++ return -EINVAL;
++
++ space = &vxi->space[index];
++
++ proxy_vxi = space->vx_nsproxy;
++ fs_vxi = space->vx_fs;
++
++ if (mask & CLONE_FS) {
++ fs = copy_fs_struct(current->fs);
++ if (!fs)
++ return -ENOMEM;
++ }
++
++ task_lock(current);
++
++ if (mask & CLONE_FS) {
++ spin_lock(&fs_vxi->lock);
++ space->vx_fs = fs;
++ kill = !--fs_vxi->users;
++ spin_unlock(&fs_vxi->lock);
++ }
++
++ proxy_cur = current->nsproxy;
++ get_nsproxy(proxy_cur);
++ task_unlock(current);
++
++ if (kill)
++ free_fs_struct(fs_vxi);
++
++ proxy_new = __vs_merge_nsproxy(proxy_vxi, proxy_cur, mask);
++ if (IS_ERR(proxy_new)) {
++ ret = PTR_ERR(proxy_new);
++ goto out_put;
++ }
++
++ proxy_new = xchg(&space->vx_nsproxy, proxy_new);
++ space->vx_nsmask |= mask;
++
++ if (mask & CLONE_NEWUSER) {
++ struct cred *cred;
++
++ vxdprintk(VXD_CBIT(space, 10),
++ "vx_set_space(%p[#%u],%p) cred (%p,%p)",
++ vxi, vxi->vx_id, space->vx_cred,
++ current->real_cred, current->cred);
++
++ cred = prepare_creds();
++ cred = (struct cred *)xchg(&space->vx_cred, cred);
++ if (cred)
++ abort_creds(cred);
++ }
++
++ ret = 0;
++
++ if (proxy_new)
++ put_nsproxy(proxy_new);
++out_put:
++ if (proxy_cur)
++ put_nsproxy(proxy_cur);
++ return ret;
++}
++
++
++int vc_enter_space_v1(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v1 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return vx_enter_space(vxi, vc_data.mask, 0);
++}
++
++int vc_enter_space(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v2 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if (vc_data.index >= VX_SPACES)
++ return -EINVAL;
++
++ return vx_enter_space(vxi, vc_data.mask, vc_data.index);
++}
++
++int vc_set_space_v1(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v1 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ return vx_set_space(vxi, vc_data.mask, 0);
++}
++
++int vc_set_space(struct vx_info *vxi, void __user *data)
++{
++ struct vcmd_space_mask_v2 vc_data = { .mask = 0 };
++
++ if (data && copy_from_user(&vc_data, data, sizeof(vc_data)))
++ return -EFAULT;
++
++ if (vc_data.index >= VX_SPACES)
++ return -EINVAL;
++
++ return vx_set_space(vxi, vc_data.mask, vc_data.index);
++}
++
++int vc_get_space_mask(void __user *data, int type)
++{
++ const struct vcmd_space_mask_v1 *mask;
++
++ if (type == 0)
++ mask = &space_mask_v0;
++ else if (type == 1)
++ mask = &space_mask;
++ else
++ mask = &default_space_mask;
++
++ vxdprintk(VXD_CBIT(space, 10),
++ "vc_get_space_mask(%d) = %08llx", type, mask->mask);
++
++ if (copy_to_user(data, mask, sizeof(*mask)))
++ return -EFAULT;
++ return 0;
++}
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/switch.c linux-3.7.10-vs2.3.5.6/kernel/vserver/switch.c
+--- linux-3.7.10/kernel/vserver/switch.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/switch.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,556 @@
++/*
++ * linux/kernel/vserver/switch.c
++ *
++ * Virtual Server: Syscall Switch
++ *
++ * Copyright (C) 2003-2011 Herbert Pötzl
++ *
++ * V0.01 syscall switch
++ * V0.02 added signal to context
++ * V0.03 added rlimit functions
++ * V0.04 added iattr, task/xid functions
++ * V0.05 added debug/history stuff
++ * V0.06 added compat32 layer
++ * V0.07 vcmd args and perms
++ * V0.08 added status commands
++ * V0.09 added tag commands
++ * V0.10 added oom bias
++ * V0.11 added device commands
++ * V0.12 added warn mask
++ *
++ */
++
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vserver/switch.h>
++
++#include "vci_config.h"
++
++
++static inline
++int vc_get_version(uint32_t id)
++{
++ return VCI_VERSION;
++}
++
++static inline
++int vc_get_vci(uint32_t id)
++{
++ return vci_kernel_config();
++}
++
++#include <linux/vserver/context_cmd.h>
++#include <linux/vserver/cvirt_cmd.h>
++#include <linux/vserver/cacct_cmd.h>
++#include <linux/vserver/limit_cmd.h>
++#include <linux/vserver/network_cmd.h>
++#include <linux/vserver/sched_cmd.h>
++#include <linux/vserver/debug_cmd.h>
++#include <linux/vserver/inode_cmd.h>
++#include <linux/vserver/dlimit_cmd.h>
++#include <linux/vserver/signal_cmd.h>
++#include <linux/vserver/space_cmd.h>
++#include <linux/vserver/tag_cmd.h>
++#include <linux/vserver/device_cmd.h>
++
++#include <linux/vserver/inode.h>
++#include <linux/vserver/dlimit.h>
++
++
++#ifdef CONFIG_COMPAT
++#define __COMPAT(name, id, data, compat) \
++ (compat) ? name ## _x32(id, data) : name(id, data)
++#define __COMPAT_NO_ID(name, data, compat) \
++ (compat) ? name ## _x32(data) : name(data)
++#else
++#define __COMPAT(name, id, data, compat) \
++ name(id, data)
++#define __COMPAT_NO_ID(name, data, compat) \
++ name(data)
++#endif
++
++
++static inline
++long do_vcmd(uint32_t cmd, uint32_t id,
++ struct vx_info *vxi, struct nx_info *nxi,
++ void __user *data, int compat)
++{
++ switch (cmd) {
++
++ case VCMD_get_version:
++ return vc_get_version(id);
++ case VCMD_get_vci:
++ return vc_get_vci(id);
++
++ case VCMD_task_xid:
++ return vc_task_xid(id);
++ case VCMD_vx_info:
++ return vc_vx_info(vxi, data);
++
++ case VCMD_task_nid:
++ return vc_task_nid(id);
++ case VCMD_nx_info:
++ return vc_nx_info(nxi, data);
++
++ case VCMD_task_tag:
++ return vc_task_tag(id);
++
++ case VCMD_set_space_v1:
++ return vc_set_space_v1(vxi, data);
++ /* this is version 2 */
++ case VCMD_set_space:
++ return vc_set_space(vxi, data);
++
++ case VCMD_get_space_mask_v0:
++ return vc_get_space_mask(data, 0);
++ /* this is version 1 */
++ case VCMD_get_space_mask:
++ return vc_get_space_mask(data, 1);
++
++ case VCMD_get_space_default:
++ return vc_get_space_mask(data, -1);
++
++ case VCMD_set_umask:
++ return vc_set_umask(vxi, data);
++
++ case VCMD_get_umask:
++ return vc_get_umask(vxi, data);
++
++ case VCMD_set_wmask:
++ return vc_set_wmask(vxi, data);
++
++ case VCMD_get_wmask:
++ return vc_get_wmask(vxi, data);
++#ifdef CONFIG_IA32_EMULATION
++ case VCMD_get_rlimit:
++ return __COMPAT(vc_get_rlimit, vxi, data, compat);
++ case VCMD_set_rlimit:
++ return __COMPAT(vc_set_rlimit, vxi, data, compat);
++#else
++ case VCMD_get_rlimit:
++ return vc_get_rlimit(vxi, data);
++ case VCMD_set_rlimit:
++ return vc_set_rlimit(vxi, data);
++#endif
++ case VCMD_get_rlimit_mask:
++ return vc_get_rlimit_mask(id, data);
++ case VCMD_reset_hits:
++ return vc_reset_hits(vxi, data);
++ case VCMD_reset_minmax:
++ return vc_reset_minmax(vxi, data);
++
++ case VCMD_get_vhi_name:
++ return vc_get_vhi_name(vxi, data);
++ case VCMD_set_vhi_name:
++ return vc_set_vhi_name(vxi, data);
++
++ case VCMD_ctx_stat:
++ return vc_ctx_stat(vxi, data);
++ case VCMD_virt_stat:
++ return vc_virt_stat(vxi, data);
++ case VCMD_sock_stat:
++ return vc_sock_stat(vxi, data);
++ case VCMD_rlimit_stat:
++ return vc_rlimit_stat(vxi, data);
++
++ case VCMD_set_cflags:
++ return vc_set_cflags(vxi, data);
++ case VCMD_get_cflags:
++ return vc_get_cflags(vxi, data);
++
++ /* this is version 1 */
++ case VCMD_set_ccaps:
++ return vc_set_ccaps(vxi, data);
++ /* this is version 1 */
++ case VCMD_get_ccaps:
++ return vc_get_ccaps(vxi, data);
++ case VCMD_set_bcaps:
++ return vc_set_bcaps(vxi, data);
++ case VCMD_get_bcaps:
++ return vc_get_bcaps(vxi, data);
++
++ case VCMD_set_badness:
++ return vc_set_badness(vxi, data);
++ case VCMD_get_badness:
++ return vc_get_badness(vxi, data);
++
++ case VCMD_set_nflags:
++ return vc_set_nflags(nxi, data);
++ case VCMD_get_nflags:
++ return vc_get_nflags(nxi, data);
++
++ case VCMD_set_ncaps:
++ return vc_set_ncaps(nxi, data);
++ case VCMD_get_ncaps:
++ return vc_get_ncaps(nxi, data);
++
++ case VCMD_set_prio_bias:
++ return vc_set_prio_bias(vxi, data);
++ case VCMD_get_prio_bias:
++ return vc_get_prio_bias(vxi, data);
++ case VCMD_add_dlimit:
++ return __COMPAT(vc_add_dlimit, id, data, compat);
++ case VCMD_rem_dlimit:
++ return __COMPAT(vc_rem_dlimit, id, data, compat);
++ case VCMD_set_dlimit:
++ return __COMPAT(vc_set_dlimit, id, data, compat);
++ case VCMD_get_dlimit:
++ return __COMPAT(vc_get_dlimit, id, data, compat);
++
++ case VCMD_ctx_kill:
++ return vc_ctx_kill(vxi, data);
++
++ case VCMD_wait_exit:
++ return vc_wait_exit(vxi, data);
++
++ case VCMD_get_iattr:
++ return __COMPAT_NO_ID(vc_get_iattr, data, compat);
++ case VCMD_set_iattr:
++ return __COMPAT_NO_ID(vc_set_iattr, data, compat);
++
++ case VCMD_fget_iattr:
++ return vc_fget_iattr(id, data);
++ case VCMD_fset_iattr:
++ return vc_fset_iattr(id, data);
++
++ case VCMD_enter_space_v0:
++ return vc_enter_space_v1(vxi, NULL);
++ case VCMD_enter_space_v1:
++ return vc_enter_space_v1(vxi, data);
++ /* this is version 2 */
++ case VCMD_enter_space:
++ return vc_enter_space(vxi, data);
++
++ case VCMD_ctx_create_v0:
++ return vc_ctx_create(id, NULL);
++ case VCMD_ctx_create:
++ return vc_ctx_create(id, data);
++ case VCMD_ctx_migrate_v0:
++ return vc_ctx_migrate(vxi, NULL);
++ case VCMD_ctx_migrate:
++ return vc_ctx_migrate(vxi, data);
++
++ case VCMD_net_create_v0:
++ return vc_net_create(id, NULL);
++ case VCMD_net_create:
++ return vc_net_create(id, data);
++ case VCMD_net_migrate:
++ return vc_net_migrate(nxi, data);
++
++ case VCMD_tag_migrate:
++ return vc_tag_migrate(id);
++
++ case VCMD_net_add:
++ return vc_net_add(nxi, data);
++ case VCMD_net_remove:
++ return vc_net_remove(nxi, data);
++
++ case VCMD_net_add_ipv4_v1:
++ return vc_net_add_ipv4_v1(nxi, data);
++ /* this is version 2 */
++ case VCMD_net_add_ipv4:
++ return vc_net_add_ipv4(nxi, data);
++
++ case VCMD_net_rem_ipv4_v1:
++ return vc_net_rem_ipv4_v1(nxi, data);
++ /* this is version 2 */
++ case VCMD_net_rem_ipv4:
++ return vc_net_rem_ipv4(nxi, data);
++#ifdef CONFIG_IPV6
++ case VCMD_net_add_ipv6:
++ return vc_net_add_ipv6(nxi, data);
++ case VCMD_net_remove_ipv6:
++ return vc_net_remove_ipv6(nxi, data);
++#endif
++/* case VCMD_add_match_ipv4:
++ return vc_add_match_ipv4(nxi, data);
++ case VCMD_get_match_ipv4:
++ return vc_get_match_ipv4(nxi, data);
++#ifdef CONFIG_IPV6
++ case VCMD_add_match_ipv6:
++ return vc_add_match_ipv6(nxi, data);
++ case VCMD_get_match_ipv6:
++ return vc_get_match_ipv6(nxi, data);
++#endif */
++
++#ifdef CONFIG_VSERVER_DEVICE
++ case VCMD_set_mapping:
++ return __COMPAT(vc_set_mapping, vxi, data, compat);
++ case VCMD_unset_mapping:
++ return __COMPAT(vc_unset_mapping, vxi, data, compat);
++#endif
++#ifdef CONFIG_VSERVER_HISTORY
++ case VCMD_dump_history:
++ return vc_dump_history(id);
++ case VCMD_read_history:
++ return __COMPAT(vc_read_history, id, data, compat);
++#endif
++ default:
++ vxwprintk_task(1, "unimplemented VCMD_%02d_%d[%d]",
++ VC_CATEGORY(cmd), VC_COMMAND(cmd), VC_VERSION(cmd));
++ }
++ return -ENOSYS;
++}
++
++
++#define __VCMD(vcmd, _perm, _args, _flags) \
++ case VCMD_ ## vcmd: perm = _perm; \
++ args = _args; flags = _flags; break
++
++
++#define VCA_NONE 0x00
++#define VCA_VXI 0x01
++#define VCA_NXI 0x02
++
++#define VCF_NONE 0x00
++#define VCF_INFO 0x01
++#define VCF_ADMIN 0x02
++#define VCF_ARES 0x06 /* includes admin */
++#define VCF_SETUP 0x08
++
++#define VCF_ZIDOK 0x10 /* zero id okay */
++
++
++static inline
++long do_vserver(uint32_t cmd, uint32_t id, void __user *data, int compat)
++{
++ long ret;
++ int permit = -1, state = 0;
++ int perm = -1, args = 0, flags = 0;
++ struct vx_info *vxi = NULL;
++ struct nx_info *nxi = NULL;
++
++ switch (cmd) {
++ /* unpriviledged commands */
++ __VCMD(get_version, 0, VCA_NONE, 0);
++ __VCMD(get_vci, 0, VCA_NONE, 0);
++ __VCMD(get_rlimit_mask, 0, VCA_NONE, 0);
++ __VCMD(get_space_mask_v0,0, VCA_NONE, 0);
++ __VCMD(get_space_mask, 0, VCA_NONE, 0);
++ __VCMD(get_space_default,0, VCA_NONE, 0);
++
++ /* info commands */
++ __VCMD(task_xid, 2, VCA_NONE, 0);
++ __VCMD(reset_hits, 2, VCA_VXI, 0);
++ __VCMD(reset_minmax, 2, VCA_VXI, 0);
++ __VCMD(vx_info, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_bcaps, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_ccaps, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_cflags, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_umask, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_wmask, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_badness, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_vhi_name, 3, VCA_VXI, VCF_INFO);
++ __VCMD(get_rlimit, 3, VCA_VXI, VCF_INFO);
++
++ __VCMD(ctx_stat, 3, VCA_VXI, VCF_INFO);
++ __VCMD(virt_stat, 3, VCA_VXI, VCF_INFO);
++ __VCMD(sock_stat, 3, VCA_VXI, VCF_INFO);
++ __VCMD(rlimit_stat, 3, VCA_VXI, VCF_INFO);
++
++ __VCMD(task_nid, 2, VCA_NONE, 0);
++ __VCMD(nx_info, 3, VCA_NXI, VCF_INFO);
++ __VCMD(get_ncaps, 3, VCA_NXI, VCF_INFO);
++ __VCMD(get_nflags, 3, VCA_NXI, VCF_INFO);
++
++ __VCMD(task_tag, 2, VCA_NONE, 0);
++
++ __VCMD(get_iattr, 2, VCA_NONE, 0);
++ __VCMD(fget_iattr, 2, VCA_NONE, 0);
++ __VCMD(get_dlimit, 3, VCA_NONE, VCF_INFO);
++ __VCMD(get_prio_bias, 3, VCA_VXI, VCF_INFO);
++
++ /* lower admin commands */
++ __VCMD(wait_exit, 4, VCA_VXI, VCF_INFO);
++ __VCMD(ctx_create_v0, 5, VCA_NONE, 0);
++ __VCMD(ctx_create, 5, VCA_NONE, 0);
++ __VCMD(ctx_migrate_v0, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(ctx_migrate, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(enter_space_v0, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(enter_space_v1, 5, VCA_VXI, VCF_ADMIN);
++ __VCMD(enter_space, 5, VCA_VXI, VCF_ADMIN);
++
++ __VCMD(net_create_v0, 5, VCA_NONE, 0);
++ __VCMD(net_create, 5, VCA_NONE, 0);
++ __VCMD(net_migrate, 5, VCA_NXI, VCF_ADMIN);
++
++ __VCMD(tag_migrate, 5, VCA_NONE, VCF_ADMIN);
++
++ /* higher admin commands */
++ __VCMD(ctx_kill, 6, VCA_VXI, VCF_ARES);
++ __VCMD(set_space_v1, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_space, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++
++ __VCMD(set_ccaps, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_bcaps, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_cflags, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_umask, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_wmask, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_badness, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++
++ __VCMD(set_vhi_name, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_rlimit, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_prio_bias, 7, VCA_VXI, VCF_ARES | VCF_SETUP);
++
++ __VCMD(set_ncaps, 7, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(set_nflags, 7, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_add, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_remove, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_add_ipv4_v1, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_rem_ipv4_v1, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_add_ipv4, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_rem_ipv4, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++#ifdef CONFIG_IPV6
++ __VCMD(net_add_ipv6, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++ __VCMD(net_remove_ipv6, 8, VCA_NXI, VCF_ARES | VCF_SETUP);
++#endif
++ __VCMD(set_iattr, 7, VCA_NONE, 0);
++ __VCMD(fset_iattr, 7, VCA_NONE, 0);
++ __VCMD(set_dlimit, 7, VCA_NONE, VCF_ARES);
++ __VCMD(add_dlimit, 8, VCA_NONE, VCF_ARES);
++ __VCMD(rem_dlimit, 8, VCA_NONE, VCF_ARES);
++
++#ifdef CONFIG_VSERVER_DEVICE
++ __VCMD(set_mapping, 8, VCA_VXI, VCF_ARES|VCF_ZIDOK);
++ __VCMD(unset_mapping, 8, VCA_VXI, VCF_ARES|VCF_ZIDOK);
++#endif
++ /* debug level admin commands */
++#ifdef CONFIG_VSERVER_HISTORY
++ __VCMD(dump_history, 9, VCA_NONE, 0);
++ __VCMD(read_history, 9, VCA_NONE, 0);
++#endif
++
++ default:
++ perm = -1;
++ }
++
++ vxdprintk(VXD_CBIT(switch, 0),
++ "vc: VCMD_%02d_%d[%d], %d,%p [%d,%d,%x,%x]",
++ VC_CATEGORY(cmd), VC_COMMAND(cmd),
++ VC_VERSION(cmd), id, data, compat,
++ perm, args, flags);
++
++ ret = -ENOSYS;
++ if (perm < 0)
++ goto out;
++
++ state = 1;
++ if (!capable(CAP_CONTEXT))
++ goto out;
++
++ state = 2;
++ /* moved here from the individual commands */
++ ret = -EPERM;
++ if ((perm > 1) && !capable(CAP_SYS_ADMIN))
++ goto out;
++
++ state = 3;
++ /* vcmd involves resource management */
++ ret = -EPERM;
++ if ((flags & VCF_ARES) && !capable(CAP_SYS_RESOURCE))
++ goto out;
++
++ state = 4;
++ /* various legacy exceptions */
++ switch (cmd) {
++ /* will go away when spectator is a cap */
++ case VCMD_ctx_migrate_v0:
++ case VCMD_ctx_migrate:
++ if (id == 1) {
++ current->xid = 1;
++ ret = 1;
++ goto out;
++ }
++ break;
++
++ /* will go away when spectator is a cap */
++ case VCMD_net_migrate:
++ if (id == 1) {
++ current->nid = 1;
++ ret = 1;
++ goto out;
++ }
++ break;
++ }
++
++ /* vcmds are fine by default */
++ permit = 1;
++
++ /* admin type vcmds require admin ... */
++ if (flags & VCF_ADMIN)
++ permit = vx_check(0, VS_ADMIN) ? 1 : 0;
++
++ /* ... but setup type vcmds override that */
++ if (!permit && (flags & VCF_SETUP))
++ permit = vx_flags(VXF_STATE_SETUP, 0) ? 2 : 0;
++
++ state = 5;
++ ret = -EPERM;
++ if (!permit)
++ goto out;
++
++ state = 6;
++ if (!id && (flags & VCF_ZIDOK))
++ goto skip_id;
++
++ ret = -ESRCH;
++ if (args & VCA_VXI) {
++ vxi = lookup_vx_info(id);
++ if (!vxi)
++ goto out;
++
++ if ((flags & VCF_ADMIN) &&
++ /* special case kill for shutdown */
++ (cmd != VCMD_ctx_kill) &&
++ /* can context be administrated? */
++ !vx_info_flags(vxi, VXF_STATE_ADMIN, 0)) {
++ ret = -EACCES;
++ goto out_vxi;
++ }
++ }
++ state = 7;
++ if (args & VCA_NXI) {
++ nxi = lookup_nx_info(id);
++ if (!nxi)
++ goto out_vxi;
++
++ if ((flags & VCF_ADMIN) &&
++ /* can context be administrated? */
++ !nx_info_flags(nxi, NXF_STATE_ADMIN, 0)) {
++ ret = -EACCES;
++ goto out_nxi;
++ }
++ }
++skip_id:
++ state = 8;
++ ret = do_vcmd(cmd, id, vxi, nxi, data, compat);
++
++out_nxi:
++ if ((args & VCA_NXI) && nxi)
++ put_nx_info(nxi);
++out_vxi:
++ if ((args & VCA_VXI) && vxi)
++ put_vx_info(vxi);
++out:
++ vxdprintk(VXD_CBIT(switch, 1),
++ "vc: VCMD_%02d_%d[%d] = %08lx(%ld) [%d,%d]",
++ VC_CATEGORY(cmd), VC_COMMAND(cmd),
++ VC_VERSION(cmd), ret, ret, state, permit);
++ return ret;
++}
++
++asmlinkage long
++sys_vserver(uint32_t cmd, uint32_t id, void __user *data)
++{
++ return do_vserver(cmd, id, data, 0);
++}
++
++#ifdef CONFIG_COMPAT
++
++asmlinkage long
++sys32_vserver(uint32_t cmd, uint32_t id, void __user *data)
++{
++ return do_vserver(cmd, id, data, 1);
++}
++
++#endif /* CONFIG_COMPAT */
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/sysctl.c linux-3.7.10-vs2.3.5.6/kernel/vserver/sysctl.c
+--- linux-3.7.10/kernel/vserver/sysctl.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/sysctl.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,247 @@
++/*
++ * kernel/vserver/sysctl.c
++ *
++ * Virtual Context Support
++ *
++ * Copyright (C) 2004-2007 Herbert Pötzl
++ *
++ * V0.01 basic structure
++ *
++ */
++
++#include <linux/module.h>
++#include <linux/ctype.h>
++#include <linux/sysctl.h>
++#include <linux/parser.h>
++#include <asm/uaccess.h>
++
++enum {
++ CTL_DEBUG_ERROR = 0,
++ CTL_DEBUG_SWITCH = 1,
++ CTL_DEBUG_XID,
++ CTL_DEBUG_NID,
++ CTL_DEBUG_TAG,
++ CTL_DEBUG_NET,
++ CTL_DEBUG_LIMIT,
++ CTL_DEBUG_CRES,
++ CTL_DEBUG_DLIM,
++ CTL_DEBUG_QUOTA,
++ CTL_DEBUG_CVIRT,
++ CTL_DEBUG_SPACE,
++ CTL_DEBUG_PERM,
++ CTL_DEBUG_MISC,
++};
++
++
++unsigned int vs_debug_switch = 0;
++unsigned int vs_debug_xid = 0;
++unsigned int vs_debug_nid = 0;
++unsigned int vs_debug_tag = 0;
++unsigned int vs_debug_net = 0;
++unsigned int vs_debug_limit = 0;
++unsigned int vs_debug_cres = 0;
++unsigned int vs_debug_dlim = 0;
++unsigned int vs_debug_quota = 0;
++unsigned int vs_debug_cvirt = 0;
++unsigned int vs_debug_space = 0;
++unsigned int vs_debug_perm = 0;
++unsigned int vs_debug_misc = 0;
++
++
++static struct ctl_table_header *vserver_table_header;
++static ctl_table vserver_root_table[];
++
++
++void vserver_register_sysctl(void)
++{
++ if (!vserver_table_header) {
++ vserver_table_header = register_sysctl_table(vserver_root_table);
++ }
++
++}
++
++void vserver_unregister_sysctl(void)
++{
++ if (vserver_table_header) {
++ unregister_sysctl_table(vserver_table_header);
++ vserver_table_header = NULL;
++ }
++}
++
++
++static int proc_dodebug(ctl_table *table, int write,
++ void __user *buffer, size_t *lenp, loff_t *ppos)
++{
++ char tmpbuf[20], *p, c;
++ unsigned int value;
++ size_t left, len;
++
++ if ((*ppos && !write) || !*lenp) {
++ *lenp = 0;
++ return 0;
++ }
++
++ left = *lenp;
++
++ if (write) {
++ if (!access_ok(VERIFY_READ, buffer, left))
++ return -EFAULT;
++ p = (char *)buffer;
++ while (left && __get_user(c, p) >= 0 && isspace(c))
++ left--, p++;
++ if (!left)
++ goto done;
++
++ if (left > sizeof(tmpbuf) - 1)
++ return -EINVAL;
++ if (copy_from_user(tmpbuf, p, left))
++ return -EFAULT;
++ tmpbuf[left] = '\0';
++
++ for (p = tmpbuf, value = 0; '0' <= *p && *p <= '9'; p++, left--)
++ value = 10 * value + (*p - '0');
++ if (*p && !isspace(*p))
++ return -EINVAL;
++ while (left && isspace(*p))
++ left--, p++;
++ *(unsigned int *)table->data = value;
++ } else {
++ if (!access_ok(VERIFY_WRITE, buffer, left))
++ return -EFAULT;
++ len = sprintf(tmpbuf, "%d", *(unsigned int *)table->data);
++ if (len > left)
++ len = left;
++ if (__copy_to_user(buffer, tmpbuf, len))
++ return -EFAULT;
++ if ((left -= len) > 0) {
++ if (put_user('\n', (char *)buffer + len))
++ return -EFAULT;
++ left--;
++ }
++ }
++
++done:
++ *lenp -= left;
++ *ppos += *lenp;
++ return 0;
++}
++
++static int zero;
++
++#define CTL_ENTRY(ctl, name) \
++ { \
++ .procname = #name, \
++ .data = &vs_ ## name, \
++ .maxlen = sizeof(int), \
++ .mode = 0644, \
++ .proc_handler = &proc_dodebug, \
++ .extra1 = &zero, \
++ .extra2 = &zero, \
++ }
++
++static ctl_table vserver_debug_table[] = {
++ CTL_ENTRY(CTL_DEBUG_SWITCH, debug_switch),
++ CTL_ENTRY(CTL_DEBUG_XID, debug_xid),
++ CTL_ENTRY(CTL_DEBUG_NID, debug_nid),
++ CTL_ENTRY(CTL_DEBUG_TAG, debug_tag),
++ CTL_ENTRY(CTL_DEBUG_NET, debug_net),
++ CTL_ENTRY(CTL_DEBUG_LIMIT, debug_limit),
++ CTL_ENTRY(CTL_DEBUG_CRES, debug_cres),
++ CTL_ENTRY(CTL_DEBUG_DLIM, debug_dlim),
++ CTL_ENTRY(CTL_DEBUG_QUOTA, debug_quota),
++ CTL_ENTRY(CTL_DEBUG_CVIRT, debug_cvirt),
++ CTL_ENTRY(CTL_DEBUG_SPACE, debug_space),
++ CTL_ENTRY(CTL_DEBUG_PERM, debug_perm),
++ CTL_ENTRY(CTL_DEBUG_MISC, debug_misc),
++ { 0 }
++};
++
++static ctl_table vserver_root_table[] = {
++ {
++ .procname = "vserver",
++ .mode = 0555,
++ .child = vserver_debug_table
++ },
++ { 0 }
++};
++
++
++static match_table_t tokens = {
++ { CTL_DEBUG_SWITCH, "switch=%x" },
++ { CTL_DEBUG_XID, "xid=%x" },
++ { CTL_DEBUG_NID, "nid=%x" },
++ { CTL_DEBUG_TAG, "tag=%x" },
++ { CTL_DEBUG_NET, "net=%x" },
++ { CTL_DEBUG_LIMIT, "limit=%x" },
++ { CTL_DEBUG_CRES, "cres=%x" },
++ { CTL_DEBUG_DLIM, "dlim=%x" },
++ { CTL_DEBUG_QUOTA, "quota=%x" },
++ { CTL_DEBUG_CVIRT, "cvirt=%x" },
++ { CTL_DEBUG_SPACE, "space=%x" },
++ { CTL_DEBUG_PERM, "perm=%x" },
++ { CTL_DEBUG_MISC, "misc=%x" },
++ { CTL_DEBUG_ERROR, NULL }
++};
++
++#define HANDLE_CASE(id, name, val) \
++ case CTL_DEBUG_ ## id: \
++ vs_debug_ ## name = val; \
++ printk("vs_debug_" #name "=0x%x\n", val); \
++ break
++
++
++static int __init vs_debug_setup(char *str)
++{
++ char *p;
++ int token;
++
++ printk("vs_debug_setup(%s)\n", str);
++ while ((p = strsep(&str, ",")) != NULL) {
++ substring_t args[MAX_OPT_ARGS];
++ unsigned int value;
++
++ if (!*p)
++ continue;
++
++ token = match_token(p, tokens, args);
++ value = (token > 0) ? simple_strtoul(args[0].from, NULL, 0) : 0;
++
++ switch (token) {
++ HANDLE_CASE(SWITCH, switch, value);
++ HANDLE_CASE(XID, xid, value);
++ HANDLE_CASE(NID, nid, value);
++ HANDLE_CASE(TAG, tag, value);
++ HANDLE_CASE(NET, net, value);
++ HANDLE_CASE(LIMIT, limit, value);
++ HANDLE_CASE(CRES, cres, value);
++ HANDLE_CASE(DLIM, dlim, value);
++ HANDLE_CASE(QUOTA, quota, value);
++ HANDLE_CASE(CVIRT, cvirt, value);
++ HANDLE_CASE(SPACE, space, value);
++ HANDLE_CASE(PERM, perm, value);
++ HANDLE_CASE(MISC, misc, value);
++ default:
++ return -EINVAL;
++ break;
++ }
++ }
++ return 1;
++}
++
++__setup("vsdebug=", vs_debug_setup);
++
++
++
++EXPORT_SYMBOL_GPL(vs_debug_switch);
++EXPORT_SYMBOL_GPL(vs_debug_xid);
++EXPORT_SYMBOL_GPL(vs_debug_nid);
++EXPORT_SYMBOL_GPL(vs_debug_net);
++EXPORT_SYMBOL_GPL(vs_debug_limit);
++EXPORT_SYMBOL_GPL(vs_debug_cres);
++EXPORT_SYMBOL_GPL(vs_debug_dlim);
++EXPORT_SYMBOL_GPL(vs_debug_quota);
++EXPORT_SYMBOL_GPL(vs_debug_cvirt);
++EXPORT_SYMBOL_GPL(vs_debug_space);
++EXPORT_SYMBOL_GPL(vs_debug_perm);
++EXPORT_SYMBOL_GPL(vs_debug_misc);
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/tag.c linux-3.7.10-vs2.3.5.6/kernel/vserver/tag.c
+--- linux-3.7.10/kernel/vserver/tag.c 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/tag.c 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,63 @@
++/*
++ * linux/kernel/vserver/tag.c
++ *
++ * Virtual Server: Shallow Tag Space
++ *
++ * Copyright (C) 2007 Herbert Pötzl
++ *
++ * V0.01 basic implementation
++ *
++ */
++
++#include <linux/sched.h>
++#include <linux/vserver/debug.h>
++#include <linux/vs_pid.h>
++#include <linux/vs_tag.h>
++
++#include <linux/vserver/tag_cmd.h>
++
++
++int dx_migrate_task(struct task_struct *p, tag_t tag)
++{
++ if (!p)
++ BUG();
++
++ vxdprintk(VXD_CBIT(tag, 5),
++ "dx_migrate_task(%p[#%d],#%d)", p, p->tag, tag);
++
++ task_lock(p);
++ p->tag = tag;
++ task_unlock(p);
++
++ vxdprintk(VXD_CBIT(tag, 5),
++ "moved task %p into [#%d]", p, tag);
++ return 0;
++}
++
++/* vserver syscall commands below here */
++
++/* taks xid and vx_info functions */
++
++
++int vc_task_tag(uint32_t id)
++{
++ tag_t tag;
++
++ if (id) {
++ struct task_struct *tsk;
++ rcu_read_lock();
++ tsk = find_task_by_real_pid(id);
++ tag = (tsk) ? tsk->tag : -ESRCH;
++ rcu_read_unlock();
++ } else
++ tag = dx_current_tag();
++ return tag;
++}
++
++
++int vc_tag_migrate(uint32_t tag)
++{
++ return dx_migrate_task(current, tag & 0xFFFF);
++}
++
++
+diff -NurpP --minimal linux-3.7.10/kernel/vserver/vci_config.h linux-3.7.10-vs2.3.5.6/kernel/vserver/vci_config.h
+--- linux-3.7.10/kernel/vserver/vci_config.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/kernel/vserver/vci_config.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,80 @@
++
++/* interface version */
++
++#define VCI_VERSION 0x00020308
++
++
++enum {
++ VCI_KCBIT_NO_DYNAMIC = 0,
++
++ VCI_KCBIT_PROC_SECURE = 4,
++ /* VCI_KCBIT_HARDCPU = 5, */
++ /* VCI_KCBIT_IDLELIMIT = 6, */
++ /* VCI_KCBIT_IDLETIME = 7, */
++
++ VCI_KCBIT_COWBL = 8,
++ VCI_KCBIT_FULLCOWBL = 9,
++ VCI_KCBIT_SPACES = 10,
++ VCI_KCBIT_NETV2 = 11,
++ VCI_KCBIT_MEMCG = 12,
++ VCI_KCBIT_MEMCG_SWAP = 13,
++
++ VCI_KCBIT_DEBUG = 16,
++ VCI_KCBIT_HISTORY = 20,
++ VCI_KCBIT_TAGGED = 24,
++ VCI_KCBIT_PPTAG = 28,
++
++ VCI_KCBIT_MORE = 31,
++};
++
++
++static inline uint32_t vci_kernel_config(void)
++{
++ return
++ (1 << VCI_KCBIT_NO_DYNAMIC) |
++
++ /* configured features */
++#ifdef CONFIG_VSERVER_PROC_SECURE
++ (1 << VCI_KCBIT_PROC_SECURE) |
++#endif
++#ifdef CONFIG_VSERVER_COWBL
++ (1 << VCI_KCBIT_COWBL) |
++ (1 << VCI_KCBIT_FULLCOWBL) |
++#endif
++ (1 << VCI_KCBIT_SPACES) |
++ (1 << VCI_KCBIT_NETV2) |
++#ifdef CONFIG_MEMCG
++ (1 << VCI_KCBIT_MEMCG) |
++#endif
++#ifdef CONFIG_MEMCG_SWAP
++ (1 << VCI_KCBIT_MEMCG_SWAP) |
++#endif
++
++ /* debug options */
++#ifdef CONFIG_VSERVER_DEBUG
++ (1 << VCI_KCBIT_DEBUG) |
++#endif
++#ifdef CONFIG_VSERVER_HISTORY
++ (1 << VCI_KCBIT_HISTORY) |
++#endif
++
++ /* inode context tagging */
++#if defined(CONFIG_TAGGING_NONE)
++ (0 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_UID16)
++ (1 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_GID16)
++ (2 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_ID24)
++ (3 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_INTERN)
++ (4 << VCI_KCBIT_TAGGED) |
++#elif defined(CONFIG_TAGGING_RUNTIME)
++ (5 << VCI_KCBIT_TAGGED) |
++#else
++ (7 << VCI_KCBIT_TAGGED) |
++#endif
++ (1 << VCI_KCBIT_PPTAG) |
++ 0;
++}
++
+diff -NurpP --minimal linux-3.7.10/mm/memcontrol.c linux-3.7.10-vs2.3.5.6/mm/memcontrol.c
+--- linux-3.7.10/mm/memcontrol.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/memcontrol.c 2012-12-18 15:13:16.000000000 +0000
+@@ -884,6 +884,31 @@ struct mem_cgroup *mem_cgroup_from_task(
+ return mem_cgroup_from_css(task_subsys_state(p, mem_cgroup_subsys_id));
+ }
+
++u64 mem_cgroup_res_read_u64(struct mem_cgroup *mem, int member)
++{
++ return res_counter_read_u64(&mem->res, member);
++}
++
++u64 mem_cgroup_memsw_read_u64(struct mem_cgroup *mem, int member)
++{
++ return res_counter_read_u64(&mem->memsw, member);
++}
++
++s64 mem_cgroup_stat_read_cache(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_CACHE);
++}
++
++s64 mem_cgroup_stat_read_anon(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_RSS);
++}
++
++s64 mem_cgroup_stat_read_mapped(struct mem_cgroup *mem)
++{
++ return mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_FILE_MAPPED);
++}
++
+ struct mem_cgroup *try_get_mem_cgroup_from_mm(struct mm_struct *mm)
+ {
+ struct mem_cgroup *memcg = NULL;
+diff -NurpP --minimal linux-3.7.10/mm/oom_kill.c linux-3.7.10-vs2.3.5.6/mm/oom_kill.c
+--- linux-3.7.10/mm/oom_kill.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/oom_kill.c 2012-12-18 15:13:16.000000000 +0000
+@@ -35,6 +35,8 @@
+ #include <linux/freezer.h>
+ #include <linux/ftrace.h>
+ #include <linux/ratelimit.h>
++#include <linux/reboot.h>
++#include <linux/vs_context.h>
+
+ #define CREATE_TRACE_POINTS
+ #include <trace/events/oom.h>
+@@ -155,11 +157,18 @@ struct task_struct *find_lock_task_mm(st
+ static bool oom_unkillable_task(struct task_struct *p,
+ const struct mem_cgroup *memcg, const nodemask_t *nodemask)
+ {
+- if (is_global_init(p))
++ unsigned xid = vx_current_xid();
++
++ /* skip the init task, global and per guest */
++ if (task_is_init(p))
+ return true;
+ if (p->flags & PF_KTHREAD)
+ return true;
+
++ /* skip other guest and host processes if oom in guest */
++ if (xid && vx_task_xid(p) != xid)
++ return true;
++
+ /* When mem_cgroup_out_of_memory() and p is not member of the group */
+ if (memcg && !task_in_mem_cgroup(p, memcg))
+ return true;
+@@ -472,8 +481,8 @@ void oom_kill_process(struct task_struct
+ dump_header(p, gfp_mask, order, memcg, nodemask);
+
+ task_lock(p);
+- pr_err("%s: Kill process %d (%s) score %d or sacrifice child\n",
+- message, task_pid_nr(p), p->comm, points);
++ pr_err("%s: Kill process %d:#%u (%s) score %d or sacrifice child\n",
++ message, task_pid_nr(p), p->xid, p->comm, points);
+ task_unlock(p);
+
+ /*
+@@ -518,8 +527,8 @@ void oom_kill_process(struct task_struct
+
+ /* mm cannot safely be dereferenced after task_unlock(victim) */
+ mm = victim->mm;
+- pr_err("Killed process %d (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
+- task_pid_nr(victim), victim->comm, K(victim->mm->total_vm),
++ pr_err("Killed process %d:#%u (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
++ task_pid_nr(victim), victim->xid, victim->comm, K(victim->mm->total_vm),
+ K(get_mm_counter(victim->mm, MM_ANONPAGES)),
+ K(get_mm_counter(victim->mm, MM_FILEPAGES)));
+ task_unlock(victim);
+@@ -589,6 +598,8 @@ int unregister_oom_notifier(struct notif
+ }
+ EXPORT_SYMBOL_GPL(unregister_oom_notifier);
+
++long vs_oom_action(unsigned int);
++
+ /*
+ * Try to acquire the OOM killer lock for the zones in zonelist. Returns zero
+ * if a parallel OOM killing is already taking place that includes a zone in
+@@ -738,7 +749,12 @@ void out_of_memory(struct zonelist *zone
+ /* Found nothing?!?! Either we hang forever, or we panic. */
+ if (!p) {
+ dump_header(NULL, gfp_mask, order, NULL, mpol_mask);
+- panic("Out of memory and no killable processes...\n");
++
++ /* avoid panic for guest OOM */
++ if (vx_current_xid())
++ vs_oom_action(LINUX_REBOOT_CMD_OOM);
++ else
++ panic("Out of memory and no killable processes...\n");
+ }
+ if (PTR_ERR(p) != -1UL) {
+ oom_kill_process(p, gfp_mask, order, points, totalpages, NULL,
+diff -NurpP --minimal linux-3.7.10/mm/page_alloc.c linux-3.7.10-vs2.3.5.6/mm/page_alloc.c
+--- linux-3.7.10/mm/page_alloc.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/page_alloc.c 2013-03-02 15:26:03.000000000 +0000
+@@ -58,6 +58,8 @@
+ #include <linux/prefetch.h>
+ #include <linux/migrate.h>
+ #include <linux/page-debug-flags.h>
++#include <linux/vs_base.h>
++#include <linux/vs_limit.h>
+
+ #include <asm/tlbflush.h>
+ #include <asm/div64.h>
+@@ -2813,6 +2815,9 @@ void si_meminfo(struct sysinfo *val)
+ val->totalhigh = totalhigh_pages;
+ val->freehigh = nr_free_highpages();
+ val->mem_unit = PAGE_SIZE;
++
++ if (vx_flags(VXF_VIRT_MEM, 0))
++ vx_vsi_meminfo(val);
+ }
+
+ EXPORT_SYMBOL(si_meminfo);
+@@ -2833,6 +2838,9 @@ void si_meminfo_node(struct sysinfo *val
+ val->freehigh = 0;
+ #endif
+ val->mem_unit = PAGE_SIZE;
++
++ if (vx_flags(VXF_VIRT_MEM, 0))
++ vx_vsi_meminfo(val);
+ }
+ #endif
+
+diff -NurpP --minimal linux-3.7.10/mm/pgtable-generic.c linux-3.7.10-vs2.3.5.6/mm/pgtable-generic.c
+--- linux-3.7.10/mm/pgtable-generic.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/pgtable-generic.c 2012-12-18 15:13:16.000000000 +0000
+@@ -6,6 +6,8 @@
+ * Copyright (C) 2010 Linus Torvalds
+ */
+
++#include <linux/mm.h>
++
+ #include <linux/pagemap.h>
+ #include <asm/tlb.h>
+ #include <asm-generic/pgtable.h>
+diff -NurpP --minimal linux-3.7.10/mm/shmem.c linux-3.7.10-vs2.3.5.6/mm/shmem.c
+--- linux-3.7.10/mm/shmem.c 2013-03-02 09:55:01.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/shmem.c 2013-03-02 15:26:03.000000000 +0000
+@@ -1820,7 +1820,7 @@ static int shmem_statfs(struct dentry *d
+ {
+ struct shmem_sb_info *sbinfo = SHMEM_SB(dentry->d_sb);
+
+- buf->f_type = TMPFS_MAGIC;
++ buf->f_type = TMPFS_SUPER_MAGIC;
+ buf->f_bsize = PAGE_CACHE_SIZE;
+ buf->f_namelen = NAME_MAX;
+ if (sbinfo->max_blocks) {
+@@ -2510,7 +2510,7 @@ int shmem_fill_super(struct super_block
+ sb->s_maxbytes = MAX_LFS_FILESIZE;
+ sb->s_blocksize = PAGE_CACHE_SIZE;
+ sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
+- sb->s_magic = TMPFS_MAGIC;
++ sb->s_magic = TMPFS_SUPER_MAGIC;
+ sb->s_op = &shmem_ops;
+ sb->s_time_gran = 1;
+ #ifdef CONFIG_TMPFS_XATTR
+diff -NurpP --minimal linux-3.7.10/mm/slab.c linux-3.7.10-vs2.3.5.6/mm/slab.c
+--- linux-3.7.10/mm/slab.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/slab.c 2012-12-18 15:13:16.000000000 +0000
+@@ -445,6 +445,8 @@ static void kmem_list3_init(struct kmem_
+ #define STATS_INC_FREEMISS(x) do { } while (0)
+ #endif
+
++#include "slab_vs.h"
++
+ #if DEBUG
+
+ /*
+@@ -3479,6 +3481,7 @@ retry:
+
+ obj = slab_get_obj(cachep, slabp, nodeid);
+ check_slabp(cachep, slabp);
++ vx_slab_alloc(cachep, flags);
+ l3->free_objects--;
+ /* move slabp to correct slabp list: */
+ list_del(&slabp->list);
+@@ -3556,6 +3559,7 @@ slab_alloc_node(struct kmem_cache *cache
+ /* ___cache_alloc_node can fall back to other nodes */
+ ptr = ____cache_alloc_node(cachep, flags, nodeid);
+ out:
++ vx_slab_alloc(cachep, flags);
+ local_irq_restore(save_flags);
+ ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, caller);
+ kmemleak_alloc_recursive(ptr, cachep->object_size, 1, cachep->flags,
+@@ -3746,6 +3750,7 @@ static inline void __cache_free(struct k
+ check_irq_off();
+ kmemleak_free_recursive(objp, cachep->flags);
+ objp = cache_free_debugcheck(cachep, objp, caller);
++ vx_slab_free(cachep);
+
+ kmemcheck_slab_free(cachep, objp, cachep->object_size);
+
+diff -NurpP --minimal linux-3.7.10/mm/slab_vs.h linux-3.7.10-vs2.3.5.6/mm/slab_vs.h
+--- linux-3.7.10/mm/slab_vs.h 1970-01-01 00:00:00.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/slab_vs.h 2012-12-18 15:13:16.000000000 +0000
+@@ -0,0 +1,29 @@
++
++#include <linux/vserver/context.h>
++
++#include <linux/vs_context.h>
++
++static inline
++void vx_slab_alloc(struct kmem_cache *cachep, gfp_t flags)
++{
++ int what = gfp_zone(cachep->allocflags);
++ struct vx_info *vxi = current_vx_info();
++
++ if (!vxi)
++ return;
++
++ atomic_add(cachep->size, &vxi->cacct.slab[what]);
++}
++
++static inline
++void vx_slab_free(struct kmem_cache *cachep)
++{
++ int what = gfp_zone(cachep->allocflags);
++ struct vx_info *vxi = current_vx_info();
++
++ if (!vxi)
++ return;
++
++ atomic_sub(cachep->size, &vxi->cacct.slab[what]);
++}
++
+diff -NurpP --minimal linux-3.7.10/mm/swapfile.c linux-3.7.10-vs2.3.5.6/mm/swapfile.c
+--- linux-3.7.10/mm/swapfile.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/mm/swapfile.c 2012-12-18 15:13:16.000000000 +0000
+@@ -39,6 +39,7 @@
+ #include <asm/tlbflush.h>
+ #include <linux/swapops.h>
+ #include <linux/page_cgroup.h>
++#include <linux/vs_base.h>
+
+ static bool swap_count_continued(struct swap_info_struct *, pgoff_t,
+ unsigned char);
+@@ -1685,6 +1686,16 @@ static int swap_show(struct seq_file *sw
+
+ if (si == SEQ_START_TOKEN) {
+ seq_puts(swap,"Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n");
++ if (vx_flags(VXF_VIRT_MEM, 0)) {
++ struct sysinfo si;
++
++ vx_vsi_swapinfo(&si);
++ if (si.totalswap < (1 << 10))
++ return 0;
++ seq_printf(swap, "%s\t\t\t\t\t%s\t%lu\t%lu\t%d\n",
++ "hdv0", "partition", si.totalswap >> 10,
++ (si.totalswap - si.freeswap) >> 10, -1);
++ }
+ return 0;
+ }
+
+@@ -2112,6 +2123,8 @@ void si_swapinfo(struct sysinfo *val)
+ val->freeswap = nr_swap_pages + nr_to_be_unused;
+ val->totalswap = total_swap_pages + nr_to_be_unused;
+ spin_unlock(&swap_lock);
++ if (vx_flags(VXF_VIRT_MEM, 0))
++ vx_vsi_swapinfo(val);
+ }
+
+ /*
+diff -NurpP --minimal linux-3.7.10/net/bridge/br_multicast.c linux-3.7.10-vs2.3.5.6/net/bridge/br_multicast.c
+--- linux-3.7.10/net/bridge/br_multicast.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/bridge/br_multicast.c 2012-12-18 15:13:16.000000000 +0000
+@@ -447,7 +447,7 @@ static struct sk_buff *br_ip6_multicast_
+ ip6h->hop_limit = 1;
+ ipv6_addr_set(&ip6h->daddr, htonl(0xff020000), 0, 0, htonl(1));
+ if (ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
+- &ip6h->saddr)) {
++ &ip6h->saddr, NULL)) {
+ kfree_skb(skb);
+ return NULL;
+ }
+diff -NurpP --minimal linux-3.7.10/net/core/dev.c linux-3.7.10-vs2.3.5.6/net/core/dev.c
+--- linux-3.7.10/net/core/dev.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/core/dev.c 2013-02-19 14:41:41.000000000 +0000
+@@ -126,6 +126,7 @@
+ #include <linux/in.h>
+ #include <linux/jhash.h>
+ #include <linux/random.h>
++#include <linux/vs_inet.h>
+ #include <trace/events/napi.h>
+ #include <trace/events/net.h>
+ #include <trace/events/skb.h>
+@@ -620,7 +621,8 @@ struct net_device *__dev_get_by_name(str
+ struct hlist_head *head = dev_name_hash(net, name);
+
+ hlist_for_each_entry(dev, p, head, name_hlist)
+- if (!strncmp(dev->name, name, IFNAMSIZ))
++ if (!strncmp(dev->name, name, IFNAMSIZ) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -646,7 +648,8 @@ struct net_device *dev_get_by_name_rcu(s
+ struct hlist_head *head = dev_name_hash(net, name);
+
+ hlist_for_each_entry_rcu(dev, p, head, name_hlist)
+- if (!strncmp(dev->name, name, IFNAMSIZ))
++ if (!strncmp(dev->name, name, IFNAMSIZ) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -697,7 +700,8 @@ struct net_device *__dev_get_by_index(st
+ struct hlist_head *head = dev_index_hash(net, ifindex);
+
+ hlist_for_each_entry(dev, p, head, index_hlist)
+- if (dev->ifindex == ifindex)
++ if ((dev->ifindex == ifindex) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -715,7 +719,7 @@ EXPORT_SYMBOL(__dev_get_by_index);
+ * about locking. The caller must hold RCU lock.
+ */
+
+-struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex)
++struct net_device *dev_get_by_index_real_rcu(struct net *net, int ifindex)
+ {
+ struct hlist_node *p;
+ struct net_device *dev;
+@@ -727,6 +731,16 @@ struct net_device *dev_get_by_index_rcu(
+
+ return NULL;
+ }
++EXPORT_SYMBOL(dev_get_by_index_real_rcu);
++
++struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex)
++{
++ struct net_device *dev = dev_get_by_index_real_rcu(net, ifindex);
++
++ if (nx_dev_visible(current_nx_info(), dev))
++ return dev;
++ return NULL;
++}
+ EXPORT_SYMBOL(dev_get_by_index_rcu);
+
+
+@@ -775,7 +789,8 @@ struct net_device *dev_getbyhwaddr_rcu(s
+
+ for_each_netdev_rcu(net, dev)
+ if (dev->type == type &&
+- !memcmp(dev->dev_addr, ha, dev->addr_len))
++ !memcmp(dev->dev_addr, ha, dev->addr_len) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
+
+ return NULL;
+@@ -787,9 +802,11 @@ struct net_device *__dev_getfirstbyhwtyp
+ struct net_device *dev;
+
+ ASSERT_RTNL();
+- for_each_netdev(net, dev)
+- if (dev->type == type)
++ for_each_netdev(net, dev) {
++ if ((dev->type == type) &&
++ nx_dev_visible(current_nx_info(), dev))
+ return dev;
++ }
+
+ return NULL;
+ }
+@@ -907,6 +924,8 @@ static int __dev_alloc_name(struct net *
+ continue;
+ if (i < 0 || i >= max_netdevices)
+ continue;
++ if (!nx_dev_visible(current_nx_info(), d))
++ continue;
+
+ /* avoid cases where sscanf is not exact inverse of printf */
+ snprintf(buf, IFNAMSIZ, name, i);
+@@ -4129,6 +4148,8 @@ static int dev_ifconf(struct net *net, c
+
+ total = 0;
+ for_each_netdev(net, dev) {
++ if (!nx_dev_visible(current_nx_info(), dev))
++ continue;
+ for (i = 0; i < NPROTO; i++) {
+ if (gifconf_list[i]) {
+ int done;
+@@ -4231,6 +4252,10 @@ static void dev_seq_printf_stats(struct
+ struct rtnl_link_stats64 temp;
+ const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp);
+
++ /* device visible inside network context? */
++ if (!nx_dev_visible(current_nx_info(), dev))
++ return;
++
+ seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu "
+ "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n",
+ dev->name, stats->rx_bytes, stats->rx_packets,
+diff -NurpP --minimal linux-3.7.10/net/core/rtnetlink.c linux-3.7.10-vs2.3.5.6/net/core/rtnetlink.c
+--- linux-3.7.10/net/core/rtnetlink.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/core/rtnetlink.c 2012-12-18 15:13:16.000000000 +0000
+@@ -1080,6 +1080,8 @@ static int rtnl_dump_ifinfo(struct sk_bu
+ hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+ if (idx < s_idx)
+ goto cont;
++ if (!nx_dev_visible(skb->sk->sk_nx_info, dev))
++ continue;
+ if (rtnl_fill_ifinfo(skb, dev, RTM_NEWLINK,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, 0,
+@@ -1971,6 +1973,9 @@ void rtmsg_ifinfo(int type, struct net_d
+ int err = -ENOBUFS;
+ size_t if_info_size;
+
++ if (!nx_dev_visible(current_nx_info(), dev))
++ return;
++
+ skb = nlmsg_new((if_info_size = if_nlmsg_size(dev, 0)), GFP_KERNEL);
+ if (skb == NULL)
+ goto errout;
+diff -NurpP --minimal linux-3.7.10/net/core/sock.c linux-3.7.10-vs2.3.5.6/net/core/sock.c
+--- linux-3.7.10/net/core/sock.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/core/sock.c 2012-12-18 15:13:16.000000000 +0000
+@@ -132,6 +132,10 @@
+ #include <net/netprio_cgroup.h>
+
+ #include <linux/filter.h>
++#include <linux/vs_socket.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
+
+ #include <trace/events/sock.h>
+
+@@ -1183,6 +1187,8 @@ static struct sock *sk_prot_alloc(struct
+ goto out_free_sec;
+ sk_tx_queue_clear(sk);
+ }
++ sock_vx_init(sk);
++ sock_nx_init(sk);
+
+ return sk;
+
+@@ -1295,6 +1301,11 @@ static void __sk_free(struct sock *sk)
+ put_cred(sk->sk_peer_cred);
+ put_pid(sk->sk_peer_pid);
+ put_net(sock_net(sk));
++ vx_sock_dec(sk);
++ clr_vx_info(&sk->sk_vx_info);
++ sk->sk_xid = -1;
++ clr_nx_info(&sk->sk_nx_info);
++ sk->sk_nid = -1;
+ sk_prot_free(sk->sk_prot_creator, sk);
+ }
+
+@@ -1355,6 +1366,8 @@ struct sock *sk_clone_lock(const struct
+
+ /* SANITY */
+ get_net(sock_net(newsk));
++ sock_vx_init(newsk);
++ sock_nx_init(newsk);
+ sk_node_init(&newsk->sk_node);
+ sock_lock_init(newsk);
+ bh_lock_sock(newsk);
+@@ -1411,6 +1424,12 @@ struct sock *sk_clone_lock(const struct
+ smp_wmb();
+ atomic_set(&newsk->sk_refcnt, 2);
+
++ set_vx_info(&newsk->sk_vx_info, sk->sk_vx_info);
++ newsk->sk_xid = sk->sk_xid;
++ vx_sock_inc(newsk);
++ set_nx_info(&newsk->sk_nx_info, sk->sk_nx_info);
++ newsk->sk_nid = sk->sk_nid;
++
+ /*
+ * Increment the counter in the same struct proto as the master
+ * sock (sk_refcnt_debug_inc uses newsk->sk_prot->socks, that
+@@ -2206,6 +2225,12 @@ void sock_init_data(struct socket *sock,
+
+ sk->sk_stamp = ktime_set(-1L, 0);
+
++ set_vx_info(&sk->sk_vx_info, current_vx_info());
++ sk->sk_xid = vx_current_xid();
++ vx_sock_inc(sk);
++ set_nx_info(&sk->sk_nx_info, current_nx_info());
++ sk->sk_nid = nx_current_nid();
++
+ /*
+ * Before updating sk_refcnt, we must commit prior changes to memory
+ * (Documentation/RCU/rculist_nulls.txt for details)
+diff -NurpP --minimal linux-3.7.10/net/ipv4/af_inet.c linux-3.7.10-vs2.3.5.6/net/ipv4/af_inet.c
+--- linux-3.7.10/net/ipv4/af_inet.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/af_inet.c 2012-12-18 15:13:16.000000000 +0000
+@@ -118,6 +118,7 @@
+ #ifdef CONFIG_IP_MROUTE
+ #include <linux/mroute.h>
+ #endif
++#include <linux/vs_limit.h>
+
+
+ /* The inetsw table contains everything that inet_create needs to
+@@ -346,9 +347,13 @@ lookup_protocol:
+ }
+
+ err = -EPERM;
++ if ((protocol == IPPROTO_ICMP) &&
++ nx_capable(CAP_NET_RAW, NXC_RAW_ICMP))
++ goto override;
++
+ if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
+ goto out_rcu_unlock;
+-
++override:
+ err = -EAFNOSUPPORT;
+ if (!inet_netns_ok(net, protocol))
+ goto out_rcu_unlock;
+@@ -473,6 +478,7 @@ int inet_bind(struct socket *sock, struc
+ struct sockaddr_in *addr = (struct sockaddr_in *)uaddr;
+ struct sock *sk = sock->sk;
+ struct inet_sock *inet = inet_sk(sk);
++ struct nx_v4_sock_addr nsa;
+ unsigned short snum;
+ int chk_addr_ret;
+ int err;
+@@ -496,7 +502,11 @@ int inet_bind(struct socket *sock, struc
+ goto out;
+ }
+
+- chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
++ err = v4_map_sock_addr(inet, addr, &nsa);
++ if (err)
++ goto out;
++
++ chk_addr_ret = inet_addr_type(sock_net(sk), nsa.saddr);
+
+ /* Not specified by any standard per-se, however it breaks too
+ * many applications when removed. It is unfortunate since
+@@ -508,7 +518,7 @@ int inet_bind(struct socket *sock, struc
+ err = -EADDRNOTAVAIL;
+ if (!sysctl_ip_nonlocal_bind &&
+ !(inet->freebind || inet->transparent) &&
+- addr->sin_addr.s_addr != htonl(INADDR_ANY) &&
++ nsa.saddr != htonl(INADDR_ANY) &&
+ chk_addr_ret != RTN_LOCAL &&
+ chk_addr_ret != RTN_MULTICAST &&
+ chk_addr_ret != RTN_BROADCAST)
+@@ -533,7 +543,7 @@ int inet_bind(struct socket *sock, struc
+ if (sk->sk_state != TCP_CLOSE || inet->inet_num)
+ goto out_release_sock;
+
+- inet->inet_rcv_saddr = inet->inet_saddr = addr->sin_addr.s_addr;
++ v4_set_sock_addr(inet, &nsa);
+ if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
+ inet->inet_saddr = 0; /* Use device */
+
+@@ -752,11 +762,13 @@ int inet_getname(struct socket *sock, st
+ peer == 1))
+ return -ENOTCONN;
+ sin->sin_port = inet->inet_dport;
+- sin->sin_addr.s_addr = inet->inet_daddr;
++ sin->sin_addr.s_addr =
++ nx_map_sock_lback(sk->sk_nx_info, inet->inet_daddr);
+ } else {
+ __be32 addr = inet->inet_rcv_saddr;
+ if (!addr)
+ addr = inet->inet_saddr;
++ addr = nx_map_sock_lback(sk->sk_nx_info, addr);
+ sin->sin_port = inet->inet_sport;
+ sin->sin_addr.s_addr = addr;
+ }
+diff -NurpP --minimal linux-3.7.10/net/ipv4/arp.c linux-3.7.10-vs2.3.5.6/net/ipv4/arp.c
+--- linux-3.7.10/net/ipv4/arp.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/arp.c 2012-12-18 15:13:16.000000000 +0000
+@@ -1318,6 +1318,7 @@ static void arp_format_neigh_entry(struc
+ struct net_device *dev = n->dev;
+ int hatype = dev->type;
+
++ /* FIXME: check for network context */
+ read_lock(&n->lock);
+ /* Convert hardware address to XX:XX:XX:XX ... form. */
+ #if IS_ENABLED(CONFIG_AX25)
+@@ -1349,6 +1350,7 @@ static void arp_format_pneigh_entry(stru
+ int hatype = dev ? dev->type : 0;
+ char tbuf[16];
+
++ /* FIXME: check for network context */
+ sprintf(tbuf, "%pI4", n->key);
+ seq_printf(seq, "%-16s 0x%-10x0x%-10x%s * %s\n",
+ tbuf, hatype, ATF_PUBL | ATF_PERM, "00:00:00:00:00:00",
+diff -NurpP --minimal linux-3.7.10/net/ipv4/devinet.c linux-3.7.10-vs2.3.5.6/net/ipv4/devinet.c
+--- linux-3.7.10/net/ipv4/devinet.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/devinet.c 2012-12-18 15:13:16.000000000 +0000
+@@ -513,6 +513,7 @@ struct in_device *inetdev_by_index(struc
+ }
+ EXPORT_SYMBOL(inetdev_by_index);
+
++
+ /* Called only from RTNL semaphored context. No locks. */
+
+ struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix,
+@@ -754,6 +755,8 @@ int devinet_ioctl(struct net *net, unsig
+
+ in_dev = __in_dev_get_rtnl(dev);
+ if (in_dev) {
++ struct nx_info *nxi = current_nx_info();
++
+ if (tryaddrmatch) {
+ /* Matthias Andree */
+ /* compare label and address (4.4BSD style) */
+@@ -762,6 +765,8 @@ int devinet_ioctl(struct net *net, unsig
+ This is checked above. */
+ for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
+ ifap = &ifa->ifa_next) {
++ if (!nx_v4_ifa_visible(nxi, ifa))
++ continue;
+ if (!strcmp(ifr.ifr_name, ifa->ifa_label) &&
+ sin_orig.sin_addr.s_addr ==
+ ifa->ifa_local) {
+@@ -774,9 +779,12 @@ int devinet_ioctl(struct net *net, unsig
+ comparing just the label */
+ if (!ifa) {
+ for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL;
+- ifap = &ifa->ifa_next)
++ ifap = &ifa->ifa_next) {
++ if (!nx_v4_ifa_visible(nxi, ifa))
++ continue;
+ if (!strcmp(ifr.ifr_name, ifa->ifa_label))
+ break;
++ }
+ }
+ }
+
+@@ -929,6 +937,8 @@ static int inet_gifconf(struct net_devic
+ goto out;
+
+ for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
++ if (!nx_v4_ifa_visible(current_nx_info(), ifa))
++ continue;
+ if (!buf) {
+ done += sizeof(ifr);
+ continue;
+@@ -1288,6 +1298,7 @@ static int inet_dump_ifaddr(struct sk_bu
+ struct net_device *dev;
+ struct in_device *in_dev;
+ struct in_ifaddr *ifa;
++ struct sock *sk = skb->sk;
+ struct hlist_head *head;
+ struct hlist_node *node;
+
+@@ -1310,6 +1321,8 @@ static int inet_dump_ifaddr(struct sk_bu
+
+ for (ifa = in_dev->ifa_list, ip_idx = 0; ifa;
+ ifa = ifa->ifa_next, ip_idx++) {
++ if (sk && !nx_v4_ifa_visible(sk->sk_nx_info, ifa))
++ continue;
+ if (ip_idx < s_ip_idx)
+ continue;
+ if (inet_fill_ifaddr(skb, ifa,
+diff -NurpP --minimal linux-3.7.10/net/ipv4/fib_trie.c linux-3.7.10-vs2.3.5.6/net/ipv4/fib_trie.c
+--- linux-3.7.10/net/ipv4/fib_trie.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/fib_trie.c 2012-12-18 15:13:16.000000000 +0000
+@@ -2557,6 +2557,7 @@ static int fib_route_seq_show(struct seq
+ || fa->fa_type == RTN_MULTICAST)
+ continue;
+
++ /* FIXME: check for network context? */
+ if (fi)
+ seq_printf(seq,
+ "%s\t%08X\t%08X\t%04X\t%d\t%u\t"
+diff -NurpP --minimal linux-3.7.10/net/ipv4/inet_connection_sock.c linux-3.7.10-vs2.3.5.6/net/ipv4/inet_connection_sock.c
+--- linux-3.7.10/net/ipv4/inet_connection_sock.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/inet_connection_sock.c 2013-01-16 00:19:03.000000000 +0000
+@@ -53,6 +53,37 @@ void inet_get_local_port_range(int *low,
+ }
+ EXPORT_SYMBOL(inet_get_local_port_range);
+
++int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
++{
++ __be32 sk1_rcv_saddr = sk_rcv_saddr(sk1),
++ sk2_rcv_saddr = sk_rcv_saddr(sk2);
++
++ if (inet_v6_ipv6only(sk2))
++ return 0;
++
++ if (sk1_rcv_saddr &&
++ sk2_rcv_saddr &&
++ sk1_rcv_saddr == sk2_rcv_saddr)
++ return 1;
++
++ if (sk1_rcv_saddr &&
++ !sk2_rcv_saddr &&
++ v4_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr, NXA_MASK_BIND))
++ return 1;
++
++ if (sk2_rcv_saddr &&
++ !sk1_rcv_saddr &&
++ v4_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr, NXA_MASK_BIND))
++ return 1;
++
++ if (!sk1_rcv_saddr &&
++ !sk2_rcv_saddr &&
++ nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info))
++ return 1;
++
++ return 0;
++}
++
+ int inet_csk_bind_conflict(const struct sock *sk,
+ const struct inet_bind_bucket *tb, bool relax)
+ {
+@@ -75,9 +106,7 @@ int inet_csk_bind_conflict(const struct
+ sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) {
+ if (!reuse || !sk2->sk_reuse ||
+ sk2->sk_state == TCP_LISTEN) {
+- const __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
+- if (!sk2_rcv_saddr || !sk_rcv_saddr(sk) ||
+- sk2_rcv_saddr == sk_rcv_saddr(sk))
++ if (ipv4_rcv_saddr_equal(sk, sk2))
+ break;
+ }
+ if (!relax && reuse && sk2->sk_reuse &&
+diff -NurpP --minimal linux-3.7.10/net/ipv4/inet_diag.c linux-3.7.10-vs2.3.5.6/net/ipv4/inet_diag.c
+--- linux-3.7.10/net/ipv4/inet_diag.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/inet_diag.c 2012-12-18 15:13:16.000000000 +0000
+@@ -31,6 +31,8 @@
+
+ #include <linux/inet.h>
+ #include <linux/stddef.h>
++#include <linux/vs_network.h>
++#include <linux/vs_inet.h>
+
+ #include <linux/inet_diag.h>
+ #include <linux/sock_diag.h>
+@@ -106,8 +108,10 @@ int inet_sk_diag_fill(struct sock *sk, s
+
+ r->id.idiag_sport = inet->inet_sport;
+ r->id.idiag_dport = inet->inet_dport;
+- r->id.idiag_src[0] = inet->inet_rcv_saddr;
+- r->id.idiag_dst[0] = inet->inet_daddr;
++ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info,
++ inet->inet_rcv_saddr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info,
++ inet->inet_daddr);
+
+ /* IPv6 dual-stack sockets use inet->tos for IPv4 connections,
+ * hence this needs to be included regardless of socket family.
+@@ -239,8 +243,8 @@ static int inet_twsk_diag_fill(struct in
+ sock_diag_save_cookie(tw, r->id.idiag_cookie);
+ r->id.idiag_sport = tw->tw_sport;
+ r->id.idiag_dport = tw->tw_dport;
+- r->id.idiag_src[0] = tw->tw_rcv_saddr;
+- r->id.idiag_dst[0] = tw->tw_daddr;
++ r->id.idiag_src[0] = nx_map_sock_lback(tw->tw_nx_info, tw->tw_rcv_saddr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(tw->tw_nx_info, tw->tw_daddr);
+ r->idiag_state = tw->tw_substate;
+ r->idiag_timer = 3;
+ r->idiag_expires = DIV_ROUND_UP(tmo * 1000, HZ);
+@@ -284,12 +288,14 @@ int inet_diag_dump_one_icsk(struct inet_
+
+ err = -EINVAL;
+ if (req->sdiag_family == AF_INET) {
++ /* TODO: lback */
+ sk = inet_lookup(net, hashinfo, req->id.idiag_dst[0],
+ req->id.idiag_dport, req->id.idiag_src[0],
+ req->id.idiag_sport, req->id.idiag_if);
+ }
+ #if IS_ENABLED(CONFIG_IPV6)
+ else if (req->sdiag_family == AF_INET6) {
++ /* TODO: lback */
+ sk = inet6_lookup(net, hashinfo,
+ (struct in6_addr *)req->id.idiag_dst,
+ req->id.idiag_dport,
+@@ -491,6 +497,7 @@ int inet_diag_bc_sk(const struct nlattr
+ } else
+ #endif
+ {
++ /* TODO: lback */
+ entry.saddr = &inet->inet_rcv_saddr;
+ entry.daddr = &inet->inet_daddr;
+ }
+@@ -649,6 +656,7 @@ static int inet_twsk_diag_dump(struct in
+ } else
+ #endif
+ {
++ /* TODO: lback */
+ entry.saddr = &tw->tw_rcv_saddr;
+ entry.daddr = &tw->tw_daddr;
+ }
+@@ -727,8 +735,8 @@ static int inet_diag_fill_req(struct sk_
+
+ r->id.idiag_sport = inet->inet_sport;
+ r->id.idiag_dport = ireq->rmt_port;
+- r->id.idiag_src[0] = ireq->loc_addr;
+- r->id.idiag_dst[0] = ireq->rmt_addr;
++ r->id.idiag_src[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->loc_addr);
++ r->id.idiag_dst[0] = nx_map_sock_lback(sk->sk_nx_info, ireq->rmt_addr);
+ r->idiag_expires = jiffies_to_msecs(tmo);
+ r->idiag_rqueue = 0;
+ r->idiag_wqueue = 0;
+@@ -791,6 +799,7 @@ static int inet_diag_dump_reqs(struct sk
+ r->id.idiag_dport)
+ continue;
+
++ /* TODO: lback */
+ if (bc) {
+ inet_diag_req_addrs(sk, req, &entry);
+ entry.dport = ntohs(ireq->rmt_port);
+@@ -847,6 +856,8 @@ void inet_diag_dump_icsk(struct inet_has
+ if (!net_eq(sock_net(sk), net))
+ continue;
+
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num) {
+ num++;
+ continue;
+@@ -919,6 +930,8 @@ skip_listen_ht:
+
+ if (!net_eq(sock_net(sk), net))
+ continue;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num)
+ goto next_normal;
+ if (!(r->idiag_states & (1 << sk->sk_state)))
+@@ -947,7 +960,8 @@ next_normal:
+ &head->twchain) {
+ if (!net_eq(twsk_net(tw), net))
+ continue;
+-
++ if (!nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (num < s_num)
+ goto next_dying;
+ if (r->sdiag_family != AF_UNSPEC &&
+diff -NurpP --minimal linux-3.7.10/net/ipv4/inet_hashtables.c linux-3.7.10-vs2.3.5.6/net/ipv4/inet_hashtables.c
+--- linux-3.7.10/net/ipv4/inet_hashtables.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/inet_hashtables.c 2012-12-18 15:13:16.000000000 +0000
+@@ -22,6 +22,7 @@
+ #include <net/inet_connection_sock.h>
+ #include <net/inet_hashtables.h>
+ #include <net/secure_seq.h>
++#include <net/route.h>
+ #include <net/ip.h>
+
+ /*
+@@ -156,6 +157,11 @@ static inline int compute_score(struct s
+ if (rcv_saddr != daddr)
+ return -1;
+ score += 2;
++ } else {
++ /* block non nx_info ips */
++ if (!v4_addr_in_nx_info(sk->sk_nx_info,
++ daddr, NXA_MASK_BIND))
++ return -1;
+ }
+ if (sk->sk_bound_dev_if) {
+ if (sk->sk_bound_dev_if != dif)
+@@ -173,7 +179,6 @@ static inline int compute_score(struct s
+ * wildcarded during the search since they can never be otherwise.
+ */
+
+-
+ struct sock *__inet_lookup_listener(struct net *net,
+ struct inet_hashinfo *hashinfo,
+ const __be32 daddr, const unsigned short hnum,
+@@ -196,6 +201,7 @@ begin:
+ hiscore = score;
+ }
+ }
++
+ /*
+ * if the nulls value we got at the end of this lookup is
+ * not the expected one, we must restart lookup.
+diff -NurpP --minimal linux-3.7.10/net/ipv4/netfilter.c linux-3.7.10-vs2.3.5.6/net/ipv4/netfilter.c
+--- linux-3.7.10/net/ipv4/netfilter.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/netfilter.c 2012-12-18 15:13:16.000000000 +0000
+@@ -6,7 +6,7 @@
+ #include <linux/skbuff.h>
+ #include <linux/gfp.h>
+ #include <linux/export.h>
+-#include <net/route.h>
++// #include <net/route.h>
+ #include <net/xfrm.h>
+ #include <net/ip.h>
+ #include <net/netfilter/nf_queue.h>
+diff -NurpP --minimal linux-3.7.10/net/ipv4/raw.c linux-3.7.10-vs2.3.5.6/net/ipv4/raw.c
+--- linux-3.7.10/net/ipv4/raw.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/raw.c 2013-02-19 14:41:41.000000000 +0000
+@@ -118,7 +118,7 @@ static struct sock *__raw_v4_lookup(stru
+
+ if (net_eq(sock_net(sk), net) && inet->inet_num == num &&
+ !(inet->inet_daddr && inet->inet_daddr != raddr) &&
+- !(inet->inet_rcv_saddr && inet->inet_rcv_saddr != laddr) &&
++ v4_sock_addr_match(sk->sk_nx_info, inet, laddr) &&
+ !(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
+ goto found; /* gotcha */
+ }
+@@ -397,6 +397,12 @@ static int raw_send_hdrinc(struct sock *
+ icmp_out_count(net, ((struct icmphdr *)
+ skb_transport_header(skb))->type);
+
++ err = -EPERM;
++ if (!nx_check(0, VS_ADMIN) && !capable(CAP_NET_RAW) &&
++ sk->sk_nx_info &&
++ !v4_addr_in_nx_info(sk->sk_nx_info, iph->saddr, NXA_MASK_BIND))
++ goto error_free;
++
+ err = NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_OUT, skb, NULL,
+ rt->dst.dev, dst_output);
+ if (err > 0)
+@@ -582,6 +588,16 @@ static int raw_sendmsg(struct kiocb *ioc
+ goto done;
+ }
+
++ if (sk->sk_nx_info) {
++ rt = ip_v4_find_src(sock_net(sk), sk->sk_nx_info, &fl4);
++ if (IS_ERR(rt)) {
++ err = PTR_ERR(rt);
++ rt = NULL;
++ goto done;
++ }
++ ip_rt_put(rt);
++ }
++
+ security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
+ rt = ip_route_output_flow(sock_net(sk), &fl4, sk);
+ if (IS_ERR(rt)) {
+@@ -658,17 +674,19 @@ static int raw_bind(struct sock *sk, str
+ {
+ struct inet_sock *inet = inet_sk(sk);
+ struct sockaddr_in *addr = (struct sockaddr_in *) uaddr;
++ struct nx_v4_sock_addr nsa = { 0 };
+ int ret = -EINVAL;
+ int chk_addr_ret;
+
+ if (sk->sk_state != TCP_CLOSE || addr_len < sizeof(struct sockaddr_in))
+ goto out;
+- chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
++ v4_map_sock_addr(inet, addr, &nsa);
++ chk_addr_ret = inet_addr_type(sock_net(sk), nsa.saddr);
+ ret = -EADDRNOTAVAIL;
+- if (addr->sin_addr.s_addr && chk_addr_ret != RTN_LOCAL &&
++ if (nsa.saddr && chk_addr_ret != RTN_LOCAL &&
+ chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST)
+ goto out;
+- inet->inet_rcv_saddr = inet->inet_saddr = addr->sin_addr.s_addr;
++ v4_set_sock_addr(inet, &nsa);
+ if (chk_addr_ret == RTN_MULTICAST || chk_addr_ret == RTN_BROADCAST)
+ inet->inet_saddr = 0; /* Use device */
+ sk_dst_reset(sk);
+@@ -720,7 +738,8 @@ static int raw_recvmsg(struct kiocb *ioc
+ /* Copy the address. */
+ if (sin) {
+ sin->sin_family = AF_INET;
+- sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
++ sin->sin_addr.s_addr =
++ nx_map_sock_lback(sk->sk_nx_info, ip_hdr(skb)->saddr);
+ sin->sin_port = 0;
+ memset(&sin->sin_zero, 0, sizeof(sin->sin_zero));
+ }
+@@ -917,7 +936,8 @@ static struct sock *raw_get_first(struct
+ struct hlist_node *node;
+
+ sk_for_each(sk, node, &state->h->ht[state->bucket])
+- if (sock_net(sk) == seq_file_net(seq))
++ if ((sock_net(sk) == seq_file_net(seq)) &&
++ nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
+ goto found;
+ }
+ sk = NULL;
+@@ -933,7 +953,8 @@ static struct sock *raw_get_next(struct
+ sk = sk_next(sk);
+ try_again:
+ ;
+- } while (sk && sock_net(sk) != seq_file_net(seq));
++ } while (sk && ((sock_net(sk) != seq_file_net(seq)) ||
++ !nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT)));
+
+ if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
+ sk = sk_head(&state->h->ht[state->bucket]);
+diff -NurpP --minimal linux-3.7.10/net/ipv4/route.c linux-3.7.10-vs2.3.5.6/net/ipv4/route.c
+--- linux-3.7.10/net/ipv4/route.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/route.c 2013-02-19 14:41:41.000000000 +0000
+@@ -2002,7 +2002,7 @@ struct rtable *__ip_route_output_key(str
+
+
+ if (fl4->flowi4_oif) {
+- dev_out = dev_get_by_index_rcu(net, fl4->flowi4_oif);
++ dev_out = dev_get_by_index_real_rcu(net, fl4->flowi4_oif);
+ rth = ERR_PTR(-ENODEV);
+ if (dev_out == NULL)
+ goto out;
+diff -NurpP --minimal linux-3.7.10/net/ipv4/tcp.c linux-3.7.10-vs2.3.5.6/net/ipv4/tcp.c
+--- linux-3.7.10/net/ipv4/tcp.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/tcp.c 2013-02-19 14:41:41.000000000 +0000
+@@ -268,6 +268,7 @@
+ #include <linux/crypto.h>
+ #include <linux/time.h>
+ #include <linux/slab.h>
++#include <linux/in.h>
+
+ #include <net/icmp.h>
+ #include <net/inet_common.h>
+diff -NurpP --minimal linux-3.7.10/net/ipv4/tcp_ipv4.c linux-3.7.10-vs2.3.5.6/net/ipv4/tcp_ipv4.c
+--- linux-3.7.10/net/ipv4/tcp_ipv4.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/tcp_ipv4.c 2013-02-19 14:41:41.000000000 +0000
+@@ -2261,6 +2261,12 @@ static void *listening_get_next(struct s
+ req = req->dl_next;
+ while (1) {
+ while (req) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "sk,req: %p [#%d] (from %d)", req->sk,
++ (req->sk)?req->sk->sk_nid:0, nx_current_nid());
++ if (req->sk &&
++ !nx_check(req->sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (req->rsk_ops->family == st->family) {
+ cur = req;
+ goto out;
+@@ -2285,6 +2291,10 @@ get_req:
+ }
+ get_sk:
+ sk_nulls_for_each_from(sk, node) {
++ vxdprintk(VXD_CBIT(net, 6), "sk: %p [#%d] (from %d)",
++ sk, sk->sk_nid, nx_current_nid());
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (!net_eq(sock_net(sk), net))
+ continue;
+ if (sk->sk_family == st->family) {
+@@ -2361,6 +2371,11 @@ static void *established_get_first(struc
+
+ spin_lock_bh(lock);
+ sk_nulls_for_each(sk, node, &tcp_hashinfo.ehash[st->bucket].chain) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "sk,egf: %p [#%d] (from %d)",
++ sk, sk->sk_nid, nx_current_nid());
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sk->sk_family != st->family ||
+ !net_eq(sock_net(sk), net)) {
+ continue;
+@@ -2371,6 +2386,11 @@ static void *established_get_first(struc
+ st->state = TCP_SEQ_STATE_TIME_WAIT;
+ inet_twsk_for_each(tw, node,
+ &tcp_hashinfo.ehash[st->bucket].twchain) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "tw: %p [#%d] (from %d)",
++ tw, tw->tw_nid, nx_current_nid());
++ if (!nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (tw->tw_family != st->family ||
+ !net_eq(twsk_net(tw), net)) {
+ continue;
+@@ -2400,7 +2420,9 @@ static void *established_get_next(struct
+ tw = cur;
+ tw = tw_next(tw);
+ get_tw:
+- while (tw && (tw->tw_family != st->family || !net_eq(twsk_net(tw), net))) {
++ while (tw && (tw->tw_family != st->family ||
++ !net_eq(twsk_net(tw), net) ||
++ !nx_check(tw->tw_nid, VS_WATCH_P | VS_IDENT))) {
+ tw = tw_next(tw);
+ }
+ if (tw) {
+@@ -2424,6 +2446,11 @@ get_tw:
+ sk = sk_nulls_next(sk);
+
+ sk_nulls_for_each_from(sk, node) {
++ vxdprintk(VXD_CBIT(net, 6),
++ "sk,egn: %p [#%d] (from %d)",
++ sk, sk->sk_nid, nx_current_nid());
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sk->sk_family == st->family && net_eq(sock_net(sk), net))
+ goto found;
+ }
+@@ -2629,9 +2656,9 @@ static void get_openreq4(const struct so
+ seq_printf(f, "%4d: %08X:%04X %08X:%04X"
+ " %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %pK%n",
+ i,
+- ireq->loc_addr,
++ nx_map_sock_lback(current_nx_info(), ireq->loc_addr),
+ ntohs(inet_sk(sk)->inet_sport),
+- ireq->rmt_addr,
++ nx_map_sock_lback(current_nx_info(), ireq->rmt_addr),
+ ntohs(ireq->rmt_port),
+ TCP_SYN_RECV,
+ 0, 0, /* could print option size, but that is af dependent. */
+@@ -2654,8 +2681,8 @@ static void get_tcp4_sock(struct sock *s
+ const struct inet_connection_sock *icsk = inet_csk(sk);
+ const struct inet_sock *inet = inet_sk(sk);
+ struct fastopen_queue *fastopenq = icsk->icsk_accept_queue.fastopenq;
+- __be32 dest = inet->inet_daddr;
+- __be32 src = inet->inet_rcv_saddr;
++ __be32 dest = nx_map_sock_lback(current_nx_info(), inet->inet_daddr);
++ __be32 src = nx_map_sock_lback(current_nx_info(), inet->inet_rcv_saddr);
+ __u16 destp = ntohs(inet->inet_dport);
+ __u16 srcp = ntohs(inet->inet_sport);
+ int rx_queue;
+@@ -2711,8 +2738,8 @@ static void get_timewait4_sock(const str
+ __u16 destp, srcp;
+ long delta = tw->tw_ttd - jiffies;
+
+- dest = tw->tw_daddr;
+- src = tw->tw_rcv_saddr;
++ dest = nx_map_sock_lback(current_nx_info(), tw->tw_daddr);
++ src = nx_map_sock_lback(current_nx_info(), tw->tw_rcv_saddr);
+ destp = ntohs(tw->tw_dport);
+ srcp = ntohs(tw->tw_sport);
+
+diff -NurpP --minimal linux-3.7.10/net/ipv4/tcp_minisocks.c linux-3.7.10-vs2.3.5.6/net/ipv4/tcp_minisocks.c
+--- linux-3.7.10/net/ipv4/tcp_minisocks.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/tcp_minisocks.c 2012-12-18 15:13:16.000000000 +0000
+@@ -23,6 +23,9 @@
+ #include <linux/slab.h>
+ #include <linux/sysctl.h>
+ #include <linux/workqueue.h>
++#include <linux/vs_limit.h>
++#include <linux/vs_socket.h>
++#include <linux/vs_context.h>
+ #include <net/tcp.h>
+ #include <net/inet_common.h>
+ #include <net/xfrm.h>
+@@ -289,6 +292,11 @@ void tcp_time_wait(struct sock *sk, int
+ tcptw->tw_ts_recent = tp->rx_opt.ts_recent;
+ tcptw->tw_ts_recent_stamp = tp->rx_opt.ts_recent_stamp;
+
++ tw->tw_xid = sk->sk_xid;
++ tw->tw_vx_info = NULL;
++ tw->tw_nid = sk->sk_nid;
++ tw->tw_nx_info = NULL;
++
+ #if IS_ENABLED(CONFIG_IPV6)
+ if (tw->tw_family == PF_INET6) {
+ struct ipv6_pinfo *np = inet6_sk(sk);
+diff -NurpP --minimal linux-3.7.10/net/ipv4/udp.c linux-3.7.10-vs2.3.5.6/net/ipv4/udp.c
+--- linux-3.7.10/net/ipv4/udp.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv4/udp.c 2013-02-19 14:41:41.000000000 +0000
+@@ -300,14 +300,7 @@ fail:
+ }
+ EXPORT_SYMBOL(udp_lib_get_port);
+
+-static int ipv4_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
+-{
+- struct inet_sock *inet1 = inet_sk(sk1), *inet2 = inet_sk(sk2);
+-
+- return (!ipv6_only_sock(sk2) &&
+- (!inet1->inet_rcv_saddr || !inet2->inet_rcv_saddr ||
+- inet1->inet_rcv_saddr == inet2->inet_rcv_saddr));
+-}
++extern int ipv4_rcv_saddr_equal(const struct sock *, const struct sock *);
+
+ static unsigned int udp4_portaddr_hash(struct net *net, __be32 saddr,
+ unsigned int port)
+@@ -342,6 +335,11 @@ static inline int compute_score(struct s
+ if (inet->inet_rcv_saddr != daddr)
+ return -1;
+ score += 2;
++ } else {
++ /* block non nx_info ips */
++ if (!v4_addr_in_nx_info(sk->sk_nx_info,
++ daddr, NXA_MASK_BIND))
++ return -1;
+ }
+ if (inet->inet_daddr) {
+ if (inet->inet_daddr != saddr)
+@@ -445,6 +443,7 @@ exact_match:
+ return result;
+ }
+
++
+ /* UDP is nearly always wildcards out the wazoo, it makes no sense to try
+ * harder than this. -DaveM
+ */
+@@ -490,6 +489,11 @@ begin:
+ sk_nulls_for_each_rcu(sk, node, &hslot->head) {
+ score = compute_score(sk, net, saddr, hnum, sport,
+ daddr, dport, dif);
++ /* FIXME: disabled?
++ if (score == 9) {
++ result = sk;
++ break;
++ } else */
+ if (score > badness) {
+ result = sk;
+ badness = score;
+@@ -503,6 +507,7 @@ begin:
+ if (get_nulls_value(node) != slot)
+ goto begin;
+
++
+ if (result) {
+ if (unlikely(!atomic_inc_not_zero_hint(&result->sk_refcnt, 2)))
+ result = NULL;
+@@ -512,6 +517,7 @@ begin:
+ goto begin;
+ }
+ }
++
+ rcu_read_unlock();
+ return result;
+ }
+@@ -555,8 +561,7 @@ static inline struct sock *udp_v4_mcast_
+ udp_sk(s)->udp_port_hash != hnum ||
+ (inet->inet_daddr && inet->inet_daddr != rmt_addr) ||
+ (inet->inet_dport != rmt_port && inet->inet_dport) ||
+- (inet->inet_rcv_saddr &&
+- inet->inet_rcv_saddr != loc_addr) ||
++ !v4_sock_addr_match(sk->sk_nx_info, inet, loc_addr) ||
+ ipv6_only_sock(s) ||
+ (s->sk_bound_dev_if && s->sk_bound_dev_if != dif))
+ continue;
+@@ -939,6 +944,16 @@ int udp_sendmsg(struct kiocb *iocb, stru
+ inet_sk_flowi_flags(sk)|FLOWI_FLAG_CAN_SLEEP,
+ faddr, saddr, dport, inet->inet_sport);
+
++ if (sk->sk_nx_info) {
++ rt = ip_v4_find_src(net, sk->sk_nx_info, fl4);
++ if (IS_ERR(rt)) {
++ err = PTR_ERR(rt);
++ rt = NULL;
++ goto out;
++ }
++ ip_rt_put(rt);
++ }
++
+ security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
+ rt = ip_route_output_flow(net, fl4, sk);
+ if (IS_ERR(rt)) {
+@@ -1244,7 +1259,8 @@ try_again:
+ if (sin) {
+ sin->sin_family = AF_INET;
+ sin->sin_port = udp_hdr(skb)->source;
+- sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
++ sin->sin_addr.s_addr = nx_map_sock_lback(
++ skb->sk->sk_nx_info, ip_hdr(skb)->saddr);
+ memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
+ }
+ if (inet->cmsg_flags)
+@@ -1993,6 +2009,8 @@ static struct sock *udp_get_first(struct
+ sk_nulls_for_each(sk, node, &hslot->head) {
+ if (!net_eq(sock_net(sk), net))
+ continue;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sk->sk_family == state->family)
+ goto found;
+ }
+@@ -2010,7 +2028,9 @@ static struct sock *udp_get_next(struct
+
+ do {
+ sk = sk_nulls_next(sk);
+- } while (sk && (!net_eq(sock_net(sk), net) || sk->sk_family != state->family));
++ } while (sk && (!net_eq(sock_net(sk), net) ||
++ sk->sk_family != state->family ||
++ !nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT)));
+
+ if (!sk) {
+ if (state->bucket <= state->udp_table->mask)
+@@ -2106,8 +2126,8 @@ static void udp4_format_sock(struct sock
+ int bucket, int *len)
+ {
+ struct inet_sock *inet = inet_sk(sp);
+- __be32 dest = inet->inet_daddr;
+- __be32 src = inet->inet_rcv_saddr;
++ __be32 dest = nx_map_sock_lback(current_nx_info(), inet->inet_daddr);
++ __be32 src = nx_map_sock_lback(current_nx_info(), inet->inet_rcv_saddr);
+ __u16 destp = ntohs(inet->inet_dport);
+ __u16 srcp = ntohs(inet->inet_sport);
+
+diff -NurpP --minimal linux-3.7.10/net/ipv6/Kconfig linux-3.7.10-vs2.3.5.6/net/ipv6/Kconfig
+--- linux-3.7.10/net/ipv6/Kconfig 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/Kconfig 2012-12-18 15:13:16.000000000 +0000
+@@ -4,8 +4,8 @@
+
+ # IPv6 as module will cause a CRASH if you try to unload it
+ menuconfig IPV6
+- tristate "The IPv6 protocol"
+- default m
++ bool "The IPv6 protocol"
++ default n
+ ---help---
+ This is complemental support for the IP version 6.
+ You will still be able to do traditional IPv4 networking as well.
+diff -NurpP --minimal linux-3.7.10/net/ipv6/addrconf.c linux-3.7.10-vs2.3.5.6/net/ipv6/addrconf.c
+--- linux-3.7.10/net/ipv6/addrconf.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/addrconf.c 2013-02-19 14:41:41.000000000 +0000
+@@ -92,6 +92,8 @@
+ #include <linux/proc_fs.h>
+ #include <linux/seq_file.h>
+ #include <linux/export.h>
++#include <linux/vs_network.h>
++#include <linux/vs_inet6.h>
+
+ /* Set to 3 to get tracing... */
+ #define ACONF_DEBUG 2
+@@ -1094,7 +1096,7 @@ out:
+
+ int ipv6_dev_get_saddr(struct net *net, const struct net_device *dst_dev,
+ const struct in6_addr *daddr, unsigned int prefs,
+- struct in6_addr *saddr)
++ struct in6_addr *saddr, struct nx_info *nxi)
+ {
+ struct ipv6_saddr_score scores[2],
+ *score = &scores[0], *hiscore = &scores[1];
+@@ -1166,6 +1168,8 @@ int ipv6_dev_get_saddr(struct net *net,
+ dev->name);
+ continue;
+ }
++ if (!v6_addr_in_nx_info(nxi, &score->ifa->addr, -1))
++ continue;
+
+ score->rule = -1;
+ bitmap_zero(score->scorebits, IPV6_SADDR_RULE_MAX);
+@@ -3135,7 +3139,10 @@ static void if6_seq_stop(struct seq_file
+ static int if6_seq_show(struct seq_file *seq, void *v)
+ {
+ struct inet6_ifaddr *ifp = (struct inet6_ifaddr *)v;
+- seq_printf(seq, "%pi6 %02x %02x %02x %02x %8s\n",
++
++ if (nx_check(0, VS_ADMIN|VS_WATCH) ||
++ v6_addr_in_nx_info(current_nx_info(), &ifp->addr, -1))
++ seq_printf(seq, "%pi6 %02x %02x %02x %02x %8s\n",
+ &ifp->addr,
+ ifp->idev->dev->ifindex,
+ ifp->prefix_len,
+@@ -3641,6 +3648,11 @@ static int in6_dump_addrs(struct inet6_d
+ struct ifacaddr6 *ifaca;
+ int err = 1;
+ int ip_idx = *p_ip_idx;
++ struct nx_info *nxi = skb->sk ? skb->sk->sk_nx_info : NULL;
++
++ /* disable ipv6 on non v6 guests */
++ if (nxi && !nx_info_has_v6(nxi))
++ return skb->len;
+
+ read_lock_bh(&idev->lock);
+ switch (type) {
+@@ -3651,6 +3663,8 @@ static int in6_dump_addrs(struct inet6_d
+ list_for_each_entry(ifa, &idev->addr_list, if_list) {
+ if (++ip_idx < s_ip_idx)
+ continue;
++ if (!v6_addr_in_nx_info(nxi, &ifa->addr, -1))
++ continue;
+ err = inet6_fill_ifaddr(skb, ifa,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+@@ -3667,6 +3681,8 @@ static int in6_dump_addrs(struct inet6_d
+ ifmca = ifmca->next, ip_idx++) {
+ if (ip_idx < s_ip_idx)
+ continue;
++ if (!v6_addr_in_nx_info(nxi, &ifmca->mca_addr, -1))
++ continue;
+ err = inet6_fill_ifmcaddr(skb, ifmca,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+@@ -3682,6 +3698,8 @@ static int in6_dump_addrs(struct inet6_d
+ ifaca = ifaca->aca_next, ip_idx++) {
+ if (ip_idx < s_ip_idx)
+ continue;
++ if (!v6_addr_in_nx_info(nxi, &ifaca->aca_addr, -1))
++ continue;
+ err = inet6_fill_ifacaddr(skb, ifaca,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+@@ -4065,6 +4083,11 @@ static int inet6_dump_ifinfo(struct sk_b
+ struct inet6_dev *idev;
+ struct hlist_head *head;
+ struct hlist_node *node;
++ struct nx_info *nxi = skb->sk ? skb->sk->sk_nx_info : NULL;
++
++ /* FIXME: maybe disable ipv6 on non v6 guests?
++ if (skb->sk && skb->sk->sk_vx_info)
++ return skb->len; */
+
+ s_h = cb->args[0];
+ s_idx = cb->args[1];
+@@ -4076,6 +4099,8 @@ static int inet6_dump_ifinfo(struct sk_b
+ hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+ if (idx < s_idx)
+ goto cont;
++ if (!v6_dev_in_nx_info(dev, nxi))
++ goto cont;
+ idev = __in6_dev_get(dev);
+ if (!idev)
+ goto cont;
+diff -NurpP --minimal linux-3.7.10/net/ipv6/af_inet6.c linux-3.7.10-vs2.3.5.6/net/ipv6/af_inet6.c
+--- linux-3.7.10/net/ipv6/af_inet6.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/af_inet6.c 2012-12-18 15:13:16.000000000 +0000
+@@ -43,6 +43,8 @@
+ #include <linux/netdevice.h>
+ #include <linux/icmpv6.h>
+ #include <linux/netfilter_ipv6.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
+
+ #include <net/ip.h>
+ #include <net/ipv6.h>
+@@ -160,9 +162,12 @@ lookup_protocol:
+ }
+
+ err = -EPERM;
++ if ((protocol == IPPROTO_ICMPV6) &&
++ nx_capable(CAP_NET_RAW, NXC_RAW_ICMP))
++ goto override;
+ if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
+ goto out_rcu_unlock;
+-
++override:
+ sock->ops = answer->ops;
+ answer_prot = answer->prot;
+ answer_no_check = answer->no_check;
+@@ -262,6 +267,7 @@ int inet6_bind(struct socket *sock, stru
+ struct inet_sock *inet = inet_sk(sk);
+ struct ipv6_pinfo *np = inet6_sk(sk);
+ struct net *net = sock_net(sk);
++ struct nx_v6_sock_addr nsa;
+ __be32 v4addr = 0;
+ unsigned short snum;
+ int addr_type = 0;
+@@ -277,6 +283,10 @@ int inet6_bind(struct socket *sock, stru
+ if (addr->sin6_family != AF_INET6)
+ return -EAFNOSUPPORT;
+
++ err = v6_map_sock_addr(inet, addr, &nsa);
++ if (err)
++ return err;
++
+ addr_type = ipv6_addr_type(&addr->sin6_addr);
+ if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
+ return -EINVAL;
+@@ -308,6 +318,7 @@ int inet6_bind(struct socket *sock, stru
+ /* Reproduce AF_INET checks to make the bindings consistent */
+ v4addr = addr->sin6_addr.s6_addr32[3];
+ chk_addr_ret = inet_addr_type(net, v4addr);
++
+ if (!sysctl_ip_nonlocal_bind &&
+ !(inet->freebind || inet->transparent) &&
+ v4addr != htonl(INADDR_ANY) &&
+@@ -317,6 +328,10 @@ int inet6_bind(struct socket *sock, stru
+ err = -EADDRNOTAVAIL;
+ goto out;
+ }
++ if (!v4_addr_in_nx_info(sk->sk_nx_info, v4addr, NXA_MASK_BIND)) {
++ err = -EADDRNOTAVAIL;
++ goto out;
++ }
+ } else {
+ if (addr_type != IPV6_ADDR_ANY) {
+ struct net_device *dev = NULL;
+@@ -343,6 +358,11 @@ int inet6_bind(struct socket *sock, stru
+ }
+ }
+
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, &addr->sin6_addr, -1)) {
++ err = -EADDRNOTAVAIL;
++ goto out_unlock;
++ }
++
+ /* ipv4 addr of the socket is invalid. Only the
+ * unspecified and mapped address have a v4 equivalent.
+ */
+@@ -359,6 +379,9 @@ int inet6_bind(struct socket *sock, stru
+ }
+ }
+
++ /* what's that for? */
++ v6_set_sock_addr(inet, &nsa);
++
+ inet->inet_rcv_saddr = v4addr;
+ inet->inet_saddr = v4addr;
+
+@@ -460,9 +483,11 @@ int inet6_getname(struct socket *sock, s
+ return -ENOTCONN;
+ sin->sin6_port = inet->inet_dport;
+ sin->sin6_addr = np->daddr;
++ /* FIXME: remap lback? */
+ if (np->sndflow)
+ sin->sin6_flowinfo = np->flow_label;
+ } else {
++ /* FIXME: remap lback? */
+ if (ipv6_addr_any(&np->rcv_saddr))
+ sin->sin6_addr = np->saddr;
+ else
+diff -NurpP --minimal linux-3.7.10/net/ipv6/datagram.c linux-3.7.10-vs2.3.5.6/net/ipv6/datagram.c
+--- linux-3.7.10/net/ipv6/datagram.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/datagram.c 2012-12-18 15:13:16.000000000 +0000
+@@ -645,7 +645,7 @@ int datagram_send_ctl(struct net *net, s
+
+ rcu_read_lock();
+ if (fl6->flowi6_oif) {
+- dev = dev_get_by_index_rcu(net, fl6->flowi6_oif);
++ dev = dev_get_by_index_real_rcu(net, fl6->flowi6_oif);
+ if (!dev) {
+ rcu_read_unlock();
+ return -ENODEV;
+diff -NurpP --minimal linux-3.7.10/net/ipv6/fib6_rules.c linux-3.7.10-vs2.3.5.6/net/ipv6/fib6_rules.c
+--- linux-3.7.10/net/ipv6/fib6_rules.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/fib6_rules.c 2012-12-18 15:13:16.000000000 +0000
+@@ -90,7 +90,7 @@ static int fib6_rule_action(struct fib_r
+ ip6_dst_idev(&rt->dst)->dev,
+ &flp6->daddr,
+ rt6_flags2srcprefs(flags),
+- &saddr))
++ &saddr, NULL))
+ goto again;
+ if (!ipv6_prefix_equal(&saddr, &r->src.addr,
+ r->src.plen))
+diff -NurpP --minimal linux-3.7.10/net/ipv6/inet6_hashtables.c linux-3.7.10-vs2.3.5.6/net/ipv6/inet6_hashtables.c
+--- linux-3.7.10/net/ipv6/inet6_hashtables.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/inet6_hashtables.c 2012-12-18 15:13:16.000000000 +0000
+@@ -16,6 +16,7 @@
+
+ #include <linux/module.h>
+ #include <linux/random.h>
++#include <linux/vs_inet6.h>
+
+ #include <net/inet_connection_sock.h>
+ #include <net/inet_hashtables.h>
+@@ -83,7 +84,6 @@ struct sock *__inet6_lookup_established(
+ unsigned int slot = hash & hashinfo->ehash_mask;
+ struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
+
+-
+ rcu_read_lock();
+ begin:
+ sk_nulls_for_each_rcu(sk, node, &head->chain) {
+@@ -95,7 +95,7 @@ begin:
+ sock_put(sk);
+ goto begin;
+ }
+- goto out;
++ goto out;
+ }
+ }
+ if (get_nulls_value(node) != slot)
+@@ -141,6 +141,9 @@ static inline int compute_score(struct s
+ if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
+ return -1;
+ score++;
++ } else {
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
++ return -1;
+ }
+ if (sk->sk_bound_dev_if) {
+ if (sk->sk_bound_dev_if != dif)
+diff -NurpP --minimal linux-3.7.10/net/ipv6/ip6_output.c linux-3.7.10-vs2.3.5.6/net/ipv6/ip6_output.c
+--- linux-3.7.10/net/ipv6/ip6_output.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/ip6_output.c 2013-02-19 14:41:41.000000000 +0000
+@@ -964,7 +964,8 @@ static int ip6_dst_lookup_tail(struct so
+ struct rt6_info *rt = (struct rt6_info *) *dst;
+ err = ip6_route_get_saddr(net, rt, &fl6->daddr,
+ sk ? inet6_sk(sk)->srcprefs : 0,
+- &fl6->saddr);
++ &fl6->saddr,
++ sk ? sk->sk_nx_info : NULL);
+ if (err)
+ goto out_err_release;
+ }
+diff -NurpP --minimal linux-3.7.10/net/ipv6/ndisc.c linux-3.7.10-vs2.3.5.6/net/ipv6/ndisc.c
+--- linux-3.7.10/net/ipv6/ndisc.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/ndisc.c 2013-01-16 00:19:03.000000000 +0000
+@@ -517,7 +517,7 @@ static void ndisc_send_na(struct net_dev
+ } else {
+ if (ipv6_dev_get_saddr(dev_net(dev), dev, daddr,
+ inet6_sk(dev_net(dev)->ipv6.ndisc_sk)->srcprefs,
+- &tmpaddr))
++ &tmpaddr, NULL))
+ return;
+ src_addr = &tmpaddr;
+ }
+diff -NurpP --minimal linux-3.7.10/net/ipv6/netfilter/ip6t_MASQUERADE.c linux-3.7.10-vs2.3.5.6/net/ipv6/netfilter/ip6t_MASQUERADE.c
+--- linux-3.7.10/net/ipv6/netfilter/ip6t_MASQUERADE.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/netfilter/ip6t_MASQUERADE.c 2012-12-18 15:13:16.000000000 +0000
+@@ -34,7 +34,7 @@ masquerade_tg6(struct sk_buff *skb, cons
+ ctinfo == IP_CT_RELATED_REPLY));
+
+ if (ipv6_dev_get_saddr(dev_net(par->out), par->out,
+- &ipv6_hdr(skb)->daddr, 0, &src) < 0)
++ &ipv6_hdr(skb)->daddr, 0, &src, NULL) < 0)
+ return NF_DROP;
+
+ nfct_nat(ct)->masq_index = par->out->ifindex;
+diff -NurpP --minimal linux-3.7.10/net/ipv6/raw.c linux-3.7.10-vs2.3.5.6/net/ipv6/raw.c
+--- linux-3.7.10/net/ipv6/raw.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/raw.c 2012-12-18 15:13:16.000000000 +0000
+@@ -30,6 +30,7 @@
+ #include <linux/icmpv6.h>
+ #include <linux/netfilter.h>
+ #include <linux/netfilter_ipv6.h>
++#include <linux/vs_inet6.h>
+ #include <linux/skbuff.h>
+ #include <linux/compat.h>
+ #include <asm/uaccess.h>
+@@ -284,6 +285,13 @@ static int rawv6_bind(struct sock *sk, s
+ goto out_unlock;
+ }
+
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, &addr->sin6_addr, -1)) {
++ err = -EADDRNOTAVAIL;
++ if (dev)
++ dev_put(dev);
++ goto out;
++ }
++
+ /* ipv4 addr of the socket is invalid. Only the
+ * unspecified and mapped address have a v4 equivalent.
+ */
+diff -NurpP --minimal linux-3.7.10/net/ipv6/route.c linux-3.7.10-vs2.3.5.6/net/ipv6/route.c
+--- linux-3.7.10/net/ipv6/route.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/route.c 2013-02-19 14:41:41.000000000 +0000
+@@ -57,6 +57,7 @@
+ #include <net/xfrm.h>
+ #include <net/netevent.h>
+ #include <net/netlink.h>
++#include <linux/vs_inet6.h>
+
+ #include <asm/uaccess.h>
+
+@@ -2116,15 +2117,17 @@ int ip6_route_get_saddr(struct net *net,
+ struct rt6_info *rt,
+ const struct in6_addr *daddr,
+ unsigned int prefs,
+- struct in6_addr *saddr)
++ struct in6_addr *saddr,
++ struct nx_info *nxi)
+ {
+ struct inet6_dev *idev = ip6_dst_idev((struct dst_entry*)rt);
+ int err = 0;
+- if (rt->rt6i_prefsrc.plen)
++ if (rt->rt6i_prefsrc.plen && (!nxi ||
++ v6_addr_in_nx_info(nxi, &rt->rt6i_prefsrc.addr, NXA_TYPE_ADDR)))
+ *saddr = rt->rt6i_prefsrc.addr;
+ else
+ err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
+- daddr, prefs, saddr);
++ daddr, prefs, saddr, nxi);
+ return err;
+ }
+
+@@ -2478,7 +2481,8 @@ static int rt6_fill_node(struct net *net
+ goto nla_put_failure;
+ } else if (dst) {
+ struct in6_addr saddr_buf;
+- if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf) == 0 &&
++ if (ip6_route_get_saddr(net, rt, dst, 0, &saddr_buf,
++ (skb->sk ? skb->sk->sk_nx_info : NULL)) == 0 &&
+ nla_put(skb, RTA_PREFSRC, 16, &saddr_buf))
+ goto nla_put_failure;
+ }
+@@ -2692,6 +2696,7 @@ static int rt6_info_route(struct rt6_inf
+ struct seq_file *m = p_arg;
+ struct neighbour *n;
+
++ /* FIXME: check for network context? */
+ seq_printf(m, "%pi6 %02x ", &rt->rt6i_dst.addr, rt->rt6i_dst.plen);
+
+ #ifdef CONFIG_IPV6_SUBTREES
+diff -NurpP --minimal linux-3.7.10/net/ipv6/tcp_ipv6.c linux-3.7.10-vs2.3.5.6/net/ipv6/tcp_ipv6.c
+--- linux-3.7.10/net/ipv6/tcp_ipv6.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/tcp_ipv6.c 2013-01-16 00:19:03.000000000 +0000
+@@ -71,6 +71,7 @@
+
+ #include <linux/crypto.h>
+ #include <linux/scatterlist.h>
++#include <linux/vs_inet6.h>
+
+ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb);
+ static void tcp_v6_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
+@@ -175,8 +176,15 @@ static int tcp_v6_connect(struct sock *s
+ * connect() to INADDR_ANY means loopback (BSD'ism).
+ */
+
+- if(ipv6_addr_any(&usin->sin6_addr))
+- usin->sin6_addr.s6_addr[15] = 0x1;
++ if(ipv6_addr_any(&usin->sin6_addr)) {
++ struct nx_info *nxi = sk->sk_nx_info;
++
++ if (nxi && nx_info_has_v6(nxi))
++ /* FIXME: remap lback? */
++ usin->sin6_addr = nxi->v6.ip;
++ else
++ usin->sin6_addr.s6_addr[15] = 0x1;
++ }
+
+ addr_type = ipv6_addr_type(&usin->sin6_addr);
+
+diff -NurpP --minimal linux-3.7.10/net/ipv6/udp.c linux-3.7.10-vs2.3.5.6/net/ipv6/udp.c
+--- linux-3.7.10/net/ipv6/udp.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/udp.c 2012-12-18 15:13:16.000000000 +0000
+@@ -45,42 +45,68 @@
+ #include <net/tcp_states.h>
+ #include <net/ip6_checksum.h>
+ #include <net/xfrm.h>
++#include <linux/vs_inet6.h>
+
+ #include <linux/proc_fs.h>
+ #include <linux/seq_file.h>
+ #include <trace/events/skb.h>
+ #include "udp_impl.h"
+
+-int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
++int ipv6_rcv_saddr_equal(const struct sock *sk1, const struct sock *sk2)
+ {
+- const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
++ const struct in6_addr *sk1_rcv_saddr6 = &inet6_sk(sk1)->rcv_saddr;
+ const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
+- __be32 sk1_rcv_saddr = sk_rcv_saddr(sk);
++ __be32 sk1_rcv_saddr = sk_rcv_saddr(sk1);
+ __be32 sk2_rcv_saddr = sk_rcv_saddr(sk2);
+- int sk_ipv6only = ipv6_only_sock(sk);
++ int sk1_ipv6only = ipv6_only_sock(sk1);
+ int sk2_ipv6only = inet_v6_ipv6only(sk2);
+- int addr_type = ipv6_addr_type(sk_rcv_saddr6);
++ int addr_type = ipv6_addr_type(sk1_rcv_saddr6);
+ int addr_type2 = sk2_rcv_saddr6 ? ipv6_addr_type(sk2_rcv_saddr6) : IPV6_ADDR_MAPPED;
+
+ /* if both are mapped, treat as IPv4 */
+- if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED)
+- return (!sk2_ipv6only &&
++ if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED) {
++ if (!sk2_ipv6only &&
+ (!sk1_rcv_saddr || !sk2_rcv_saddr ||
+- sk1_rcv_saddr == sk2_rcv_saddr));
++ sk1_rcv_saddr == sk2_rcv_saddr))
++ goto vs_v4;
++ else
++ return 0;
++ }
+
+ if (addr_type2 == IPV6_ADDR_ANY &&
+ !(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
+- return 1;
++ goto vs;
+
+ if (addr_type == IPV6_ADDR_ANY &&
+- !(sk_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
+- return 1;
++ !(sk1_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
++ goto vs;
+
+ if (sk2_rcv_saddr6 &&
+- ipv6_addr_equal(sk_rcv_saddr6, sk2_rcv_saddr6))
+- return 1;
++ ipv6_addr_equal(sk1_rcv_saddr6, sk2_rcv_saddr6))
++ goto vs;
+
+ return 0;
++
++vs_v4:
++ if (!sk1_rcv_saddr && !sk2_rcv_saddr)
++ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
++ if (!sk2_rcv_saddr)
++ return v4_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr, -1);
++ if (!sk1_rcv_saddr)
++ return v4_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr, -1);
++ return 1;
++vs:
++ if (addr_type2 == IPV6_ADDR_ANY && addr_type == IPV6_ADDR_ANY)
++ return nx_v6_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
++ else if (addr_type2 == IPV6_ADDR_ANY)
++ return v6_addr_in_nx_info(sk2->sk_nx_info, sk1_rcv_saddr6, -1);
++ else if (addr_type == IPV6_ADDR_ANY) {
++ if (addr_type2 == IPV6_ADDR_MAPPED)
++ return nx_v4_addr_conflict(sk1->sk_nx_info, sk2->sk_nx_info);
++ else
++ return v6_addr_in_nx_info(sk1->sk_nx_info, sk2_rcv_saddr6, -1);
++ }
++ return 1;
+ }
+
+ static unsigned int udp6_portaddr_hash(struct net *net,
+@@ -144,6 +170,10 @@ static inline int compute_score(struct s
+ if (!ipv6_addr_equal(&np->rcv_saddr, daddr))
+ return -1;
+ score++;
++ } else {
++ /* block non nx_info ips */
++ if (!v6_addr_in_nx_info(sk->sk_nx_info, daddr, -1))
++ return -1;
+ }
+ if (!ipv6_addr_any(&np->daddr)) {
+ if (!ipv6_addr_equal(&np->daddr, saddr))
+diff -NurpP --minimal linux-3.7.10/net/ipv6/xfrm6_policy.c linux-3.7.10-vs2.3.5.6/net/ipv6/xfrm6_policy.c
+--- linux-3.7.10/net/ipv6/xfrm6_policy.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/ipv6/xfrm6_policy.c 2012-12-18 15:13:16.000000000 +0000
+@@ -63,7 +63,7 @@ static int xfrm6_get_saddr(struct net *n
+ dev = ip6_dst_idev(dst)->dev;
+ ipv6_dev_get_saddr(dev_net(dev), dev,
+ (struct in6_addr *)&daddr->a6, 0,
+- (struct in6_addr *)&saddr->a6);
++ (struct in6_addr *)&saddr->a6, NULL);
+ dst_release(dst);
+ return 0;
+ }
+diff -NurpP --minimal linux-3.7.10/net/netfilter/ipvs/ip_vs_xmit.c linux-3.7.10-vs2.3.5.6/net/netfilter/ipvs/ip_vs_xmit.c
+--- linux-3.7.10/net/netfilter/ipvs/ip_vs_xmit.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/netfilter/ipvs/ip_vs_xmit.c 2012-12-18 15:13:16.000000000 +0000
+@@ -273,7 +273,7 @@ __ip_vs_route_output_v6(struct net *net,
+ return dst;
+ if (ipv6_addr_any(&fl6.saddr) &&
+ ipv6_dev_get_saddr(net, ip6_dst_idev(dst)->dev,
+- &fl6.daddr, 0, &fl6.saddr) < 0)
++ &fl6.daddr, 0, &fl6.saddr, NULL) < 0)
+ goto out_err;
+ if (do_xfrm) {
+ dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
+diff -NurpP --minimal linux-3.7.10/net/netlink/af_netlink.c linux-3.7.10-vs2.3.5.6/net/netlink/af_netlink.c
+--- linux-3.7.10/net/netlink/af_netlink.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/netlink/af_netlink.c 2012-12-18 15:13:16.000000000 +0000
+@@ -55,6 +55,9 @@
+ #include <linux/types.h>
+ #include <linux/audit.h>
+ #include <linux/mutex.h>
++#include <linux/vs_context.h>
++#include <linux/vs_network.h>
++#include <linux/vs_limit.h>
+
+ #include <net/net_namespace.h>
+ #include <net/sock.h>
+@@ -1981,6 +1984,8 @@ static struct sock *netlink_seq_socket_i
+ sk_for_each(s, node, &hash->table[j]) {
+ if (sock_net(s) != seq_file_net(seq))
+ continue;
++ if (!nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (off == pos) {
+ iter->link = i;
+ iter->hash_idx = j;
+@@ -2015,7 +2020,8 @@ static void *netlink_seq_next(struct seq
+ s = v;
+ do {
+ s = sk_next(s);
+- } while (s && sock_net(s) != seq_file_net(seq));
++ } while (s && (sock_net(s) != seq_file_net(seq) ||
++ !nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT)));
+ if (s)
+ return s;
+
+@@ -2027,7 +2033,8 @@ static void *netlink_seq_next(struct seq
+
+ for (; j <= hash->mask; j++) {
+ s = sk_head(&hash->table[j]);
+- while (s && sock_net(s) != seq_file_net(seq))
++ while (s && (sock_net(s) != seq_file_net(seq) ||
++ !nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT)))
+ s = sk_next(s);
+ if (s) {
+ iter->link = i;
+diff -NurpP --minimal linux-3.7.10/net/socket.c linux-3.7.10-vs2.3.5.6/net/socket.c
+--- linux-3.7.10/net/socket.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/socket.c 2012-12-18 15:13:16.000000000 +0000
+@@ -99,6 +99,10 @@
+
+ #include <net/sock.h>
+ #include <linux/netfilter.h>
++#include <linux/vs_base.h>
++#include <linux/vs_socket.h>
++#include <linux/vs_inet.h>
++#include <linux/vs_inet6.h>
+
+ #include <linux/if_tun.h>
+ #include <linux/ipv6_route.h>
+@@ -619,6 +623,7 @@ static inline int __sock_sendmsg_nosec(s
+ struct msghdr *msg, size_t size)
+ {
+ struct sock_iocb *si = kiocb_to_siocb(iocb);
++ size_t len;
+
+ sock_update_classid(sock->sk);
+
+@@ -627,7 +632,22 @@ static inline int __sock_sendmsg_nosec(s
+ si->msg = msg;
+ si->size = size;
+
+- return sock->ops->sendmsg(iocb, sock, msg, size);
++ len = sock->ops->sendmsg(iocb, sock, msg, size);
++ if (sock->sk) {
++ if (len == size)
++ vx_sock_send(sock->sk, size);
++ else
++ vx_sock_fail(sock->sk, size);
++ }
++ vxdprintk(VXD_CBIT(net, 7),
++ "__sock_sendmsg: %p[%p,%p,%p;%d/%d]:%d/%zu",
++ sock, sock->sk,
++ (sock->sk)?sock->sk->sk_nx_info:0,
++ (sock->sk)?sock->sk->sk_vx_info:0,
++ (sock->sk)?sock->sk->sk_xid:0,
++ (sock->sk)?sock->sk->sk_nid:0,
++ (unsigned int)size, len);
++ return len;
+ }
+
+ static inline int __sock_sendmsg(struct kiocb *iocb, struct socket *sock,
+@@ -783,6 +803,7 @@ static inline int __sock_recvmsg_nosec(s
+ struct msghdr *msg, size_t size, int flags)
+ {
+ struct sock_iocb *si = kiocb_to_siocb(iocb);
++ int len;
+
+ sock_update_classid(sock->sk);
+
+@@ -792,7 +813,18 @@ static inline int __sock_recvmsg_nosec(s
+ si->size = size;
+ si->flags = flags;
+
+- return sock->ops->recvmsg(iocb, sock, msg, size, flags);
++ len = sock->ops->recvmsg(iocb, sock, msg, size, flags);
++ if ((len >= 0) && sock->sk)
++ vx_sock_recv(sock->sk, len);
++ vxdprintk(VXD_CBIT(net, 7),
++ "__sock_recvmsg: %p[%p,%p,%p;%d/%d]:%d/%d",
++ sock, sock->sk,
++ (sock->sk)?sock->sk->sk_nx_info:0,
++ (sock->sk)?sock->sk->sk_vx_info:0,
++ (sock->sk)?sock->sk->sk_xid:0,
++ (sock->sk)?sock->sk->sk_nid:0,
++ (unsigned int)size, len);
++ return len;
+ }
+
+ static inline int __sock_recvmsg(struct kiocb *iocb, struct socket *sock,
+@@ -1277,6 +1309,13 @@ int __sock_create(struct net *net, int f
+ if (type < 0 || type >= SOCK_MAX)
+ return -EINVAL;
+
++ if (!nx_check(0, VS_ADMIN)) {
++ if (family == PF_INET && !current_nx_info_has_v4())
++ return -EAFNOSUPPORT;
++ if (family == PF_INET6 && !current_nx_info_has_v6())
++ return -EAFNOSUPPORT;
++ }
++
+ /* Compatibility.
+
+ This uglymoron is moved from INET layer to here to avoid
+@@ -1411,6 +1450,7 @@ SYSCALL_DEFINE3(socket, int, family, int
+ if (retval < 0)
+ goto out;
+
++ set_bit(SOCK_USER_SOCKET, &sock->flags);
+ retval = sock_map_fd(sock, flags & (O_CLOEXEC | O_NONBLOCK));
+ if (retval < 0)
+ goto out_release;
+@@ -1452,10 +1492,12 @@ SYSCALL_DEFINE4(socketpair, int, family,
+ err = sock_create(family, type, protocol, &sock1);
+ if (err < 0)
+ goto out;
++ set_bit(SOCK_USER_SOCKET, &sock1->flags);
+
+ err = sock_create(family, type, protocol, &sock2);
+ if (err < 0)
+ goto out_release_1;
++ set_bit(SOCK_USER_SOCKET, &sock2->flags);
+
+ err = sock1->ops->socketpair(sock1, sock2);
+ if (err < 0)
+diff -NurpP --minimal linux-3.7.10/net/sunrpc/auth.c linux-3.7.10-vs2.3.5.6/net/sunrpc/auth.c
+--- linux-3.7.10/net/sunrpc/auth.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/sunrpc/auth.c 2012-12-18 15:13:16.000000000 +0000
+@@ -15,6 +15,7 @@
+ #include <linux/sunrpc/clnt.h>
+ #include <linux/sunrpc/gss_api.h>
+ #include <linux/spinlock.h>
++#include <linux/vs_tag.h>
+
+ #ifdef RPC_DEBUG
+ # define RPCDBG_FACILITY RPCDBG_AUTH
+@@ -481,6 +482,7 @@ rpcauth_lookupcred(struct rpc_auth *auth
+ memset(&acred, 0, sizeof(acred));
+ acred.uid = cred->fsuid;
+ acred.gid = cred->fsgid;
++ acred.tag = dx_current_tag();
+ acred.group_info = get_group_info(((struct cred *)cred)->group_info);
+
+ ret = auth->au_ops->lookup_cred(auth, &acred, flags);
+@@ -521,6 +523,7 @@ rpcauth_bind_root_cred(struct rpc_task *
+ struct auth_cred acred = {
+ .uid = 0,
+ .gid = 0,
++ .tag = dx_current_tag(),
+ };
+
+ dprintk("RPC: %5u looking up %s cred\n",
+diff -NurpP --minimal linux-3.7.10/net/sunrpc/auth_unix.c linux-3.7.10-vs2.3.5.6/net/sunrpc/auth_unix.c
+--- linux-3.7.10/net/sunrpc/auth_unix.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/sunrpc/auth_unix.c 2012-12-18 15:13:16.000000000 +0000
+@@ -13,11 +13,13 @@
+ #include <linux/sunrpc/clnt.h>
+ #include <linux/sunrpc/auth.h>
+ #include <linux/user_namespace.h>
++#include <linux/vs_tag.h>
+
+ #define NFS_NGROUPS 16
+
+ struct unx_cred {
+ struct rpc_cred uc_base;
++ tag_t uc_tag;
+ gid_t uc_gid;
+ gid_t uc_gids[NFS_NGROUPS];
+ };
+@@ -79,6 +81,7 @@ unx_create_cred(struct rpc_auth *auth, s
+ groups = NFS_NGROUPS;
+
+ cred->uc_gid = acred->gid;
++ cred->uc_tag = acred->tag;
+ for (i = 0; i < groups; i++) {
+ gid_t gid;
+ gid = from_kgid(&init_user_ns, GROUP_AT(acred->group_info, i));
+@@ -123,7 +126,9 @@ unx_match(struct auth_cred *acred, struc
+ unsigned int i;
+
+
+- if (cred->uc_uid != acred->uid || cred->uc_gid != acred->gid)
++ if (cred->uc_uid != acred->uid ||
++ cred->uc_gid != acred->gid ||
++ cred->uc_tag != acred->tag)
+ return 0;
+
+ if (acred->group_info != NULL)
+@@ -152,7 +157,7 @@ unx_marshal(struct rpc_task *task, __be3
+ struct rpc_clnt *clnt = task->tk_client;
+ struct unx_cred *cred = container_of(task->tk_rqstp->rq_cred, struct unx_cred, uc_base);
+ __be32 *base, *hold;
+- int i;
++ int i, tag;
+
+ *p++ = htonl(RPC_AUTH_UNIX);
+ base = p++;
+@@ -162,9 +167,12 @@ unx_marshal(struct rpc_task *task, __be3
+ * Copy the UTS nodename captured when the client was created.
+ */
+ p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen);
++ tag = task->tk_client->cl_tag;
+
+- *p++ = htonl((u32) cred->uc_uid);
+- *p++ = htonl((u32) cred->uc_gid);
++ *p++ = htonl((u32) TAGINO_UID(tag,
++ cred->uc_uid, cred->uc_tag));
++ *p++ = htonl((u32) TAGINO_GID(tag,
++ cred->uc_gid, cred->uc_tag));
+ hold = p++;
+ for (i = 0; i < 16 && cred->uc_gids[i] != (gid_t) NOGROUP; i++)
+ *p++ = htonl((u32) cred->uc_gids[i]);
+diff -NurpP --minimal linux-3.7.10/net/sunrpc/clnt.c linux-3.7.10-vs2.3.5.6/net/sunrpc/clnt.c
+--- linux-3.7.10/net/sunrpc/clnt.c 2013-03-02 09:55:02.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/sunrpc/clnt.c 2013-02-05 01:14:43.000000000 +0000
+@@ -31,6 +31,7 @@
+ #include <linux/in6.h>
+ #include <linux/un.h>
+ #include <linux/rcupdate.h>
++#include <linux/vs_cvirt.h>
+
+ #include <linux/sunrpc/clnt.h>
+ #include <linux/sunrpc/rpc_pipe_fs.h>
+@@ -481,6 +482,9 @@ struct rpc_clnt *rpc_create(struct rpc_c
+ if (!(args->flags & RPC_CLNT_CREATE_QUIET))
+ clnt->cl_chatty = 1;
+
++ /* TODO: handle RPC_CLNT_CREATE_TAGGED
++ if (args->flags & RPC_CLNT_CREATE_TAGGED)
++ clnt->cl_tag = 1; */
+ return clnt;
+ }
+ EXPORT_SYMBOL_GPL(rpc_create);
+diff -NurpP --minimal linux-3.7.10/net/unix/af_unix.c linux-3.7.10-vs2.3.5.6/net/unix/af_unix.c
+--- linux-3.7.10/net/unix/af_unix.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/net/unix/af_unix.c 2012-12-18 15:13:16.000000000 +0000
+@@ -114,6 +114,8 @@
+ #include <linux/mount.h>
+ #include <net/checksum.h>
+ #include <linux/security.h>
++#include <linux/vs_context.h>
++#include <linux/vs_limit.h>
+
+ struct hlist_head unix_socket_table[2 * UNIX_HASH_SIZE];
+ EXPORT_SYMBOL_GPL(unix_socket_table);
+@@ -271,6 +273,8 @@ static struct sock *__unix_find_socket_b
+ if (!net_eq(sock_net(s), net))
+ continue;
+
++ if (!nx_check(s->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (u->addr->len == len &&
+ !memcmp(u->addr->name, sunname, len))
+ goto found;
+@@ -2259,6 +2263,8 @@ static struct sock *unix_from_bucket(str
+ for (sk = sk_head(&unix_socket_table[bucket]); sk; sk = sk_next(sk)) {
+ if (sock_net(sk) != seq_file_net(seq))
+ continue;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (++count == offset)
+ break;
+ }
+@@ -2276,6 +2282,8 @@ static struct sock *unix_next_socket(str
+ sk = sk_next(sk);
+ if (!sk)
+ goto next_bucket;
++ if (!nx_check(sk->sk_nid, VS_WATCH_P | VS_IDENT))
++ continue;
+ if (sock_net(sk) == seq_file_net(seq))
+ return sk;
+ }
+diff -NurpP --minimal linux-3.7.10/scripts/checksyscalls.sh linux-3.7.10-vs2.3.5.6/scripts/checksyscalls.sh
+--- linux-3.7.10/scripts/checksyscalls.sh 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/scripts/checksyscalls.sh 2012-12-18 15:13:16.000000000 +0000
+@@ -193,7 +193,6 @@ cat << EOF
+ #define __IGNORE_afs_syscall
+ #define __IGNORE_getpmsg
+ #define __IGNORE_putpmsg
+-#define __IGNORE_vserver
+ EOF
+ }
+
+diff -NurpP --minimal linux-3.7.10/security/commoncap.c linux-3.7.10-vs2.3.5.6/security/commoncap.c
+--- linux-3.7.10/security/commoncap.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/security/commoncap.c 2012-12-18 15:13:16.000000000 +0000
+@@ -76,14 +76,20 @@ int cap_netlink_send(struct sock *sk, st
+ int cap_capable(const struct cred *cred, struct user_namespace *targ_ns,
+ int cap, int audit)
+ {
++ struct vx_info *vxi = current_vx_info(); /* FIXME: get vxi from cred? */
++
+ for (;;) {
+ /* The owner of the user namespace has all caps. */
+ if (targ_ns != &init_user_ns && uid_eq(targ_ns->owner, cred->euid))
+ return 0;
+
+ /* Do we have the necessary capabilities? */
+- if (targ_ns == cred->user_ns)
+- return cap_raised(cred->cap_effective, cap) ? 0 : -EPERM;
++ if (targ_ns == cred->user_ns) {
++ if (vx_info_flags(vxi, VXF_STATE_SETUP, 0) &&
++ cap_raised(cred->cap_effective, cap))
++ return 0;
++ return vx_cap_raised(vxi, cred->cap_effective, cap) ? 0 : -EPERM;
++ }
+
+ /* Have we tried all of the parent namespaces? */
+ if (targ_ns == &init_user_ns)
+@@ -619,7 +625,7 @@ int cap_inode_setxattr(struct dentry *de
+
+ if (!strncmp(name, XATTR_SECURITY_PREFIX,
+ sizeof(XATTR_SECURITY_PREFIX) - 1) &&
+- !capable(CAP_SYS_ADMIN))
++ !vx_capable(CAP_SYS_ADMIN, VXC_FS_SECURITY))
+ return -EPERM;
+ return 0;
+ }
+@@ -645,7 +651,7 @@ int cap_inode_removexattr(struct dentry
+
+ if (!strncmp(name, XATTR_SECURITY_PREFIX,
+ sizeof(XATTR_SECURITY_PREFIX) - 1) &&
+- !capable(CAP_SYS_ADMIN))
++ !vx_capable(CAP_SYS_ADMIN, VXC_FS_SECURITY))
+ return -EPERM;
+ return 0;
+ }
+diff -NurpP --minimal linux-3.7.10/security/selinux/hooks.c linux-3.7.10-vs2.3.5.6/security/selinux/hooks.c
+--- linux-3.7.10/security/selinux/hooks.c 2012-12-11 03:30:57.000000000 +0000
++++ linux-3.7.10-vs2.3.5.6/security/selinux/hooks.c 2012-12-18 15:13:16.000000000 +0000
+@@ -66,7 +66,6 @@
+ #include <linux/dccp.h>
+ #include <linux/quota.h>
+ #include <linux/un.h> /* for Unix socket types */
+-#include <net/af_unix.h> /* for Unix socket types */
+ #include <linux/parser.h>
+ #include <linux/nfs_mount.h>
+ #include <net/ipv6.h>